2004-06-19 17:33:06 +02:00
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/* A pass for lowering trees to RTL.
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2009-02-20 16:20:38 +01:00
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Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
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Free Software Foundation, Inc.
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2004-06-19 17:33:06 +02:00
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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
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it under the terms of the GNU General Public License as published by
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2007-07-26 10:37:01 +02:00
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the Free Software Foundation; either version 3, or (at your option)
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2004-06-19 17:33:06 +02:00
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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2007-07-26 10:37:01 +02:00
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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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2004-06-19 17:33:06 +02:00
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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 "tree.h"
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#include "rtl.h"
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#include "tm_p.h"
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#include "basic-block.h"
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#include "function.h"
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#include "expr.h"
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#include "langhooks.h"
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#include "tree-flow.h"
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#include "timevar.h"
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#include "tree-dump.h"
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#include "tree-pass.h"
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#include "except.h"
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#include "flags.h"
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re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
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#include "diagnostic.h"
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#include "toplev.h"
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Makefile.in: Adjust dependencies.
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in: Adjust dependencies.
* tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
* basic-block.h (duplicate_computed_gotos): Remove, it is now static.
* alias.c (rest_of_handle_cfg, pass_cfg): New.
* bb-reorder.c (duplicate_computed_gotos): Make it static.
* cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
rest_of_compilation.
* bb-reorder.c (gate_duplicate_computed_gotos,
pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
rest_of_handle_reorder_blocks, pass_reorder_blocks,
gate_handle_partition_blocks, rest_of_handle_partition_blocks,
pass_partition_blocks): New.
* bt-load.c (gate_handle_branch_target_load_optimize,
rest_of_handle_branch_target_load_optimize,
pass_branch_target_load_optimize): New.
* cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
pass_jump2): New.
* cfglayout.c (pass_insn_locators_initialize): New.
* cfgrtl.c (pass_free_cfg): New.
* combine.c (gate_handle_combine, rest_of_handle_combine,
pass_combine): New.
* cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
* emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
* except.c (pass_set_nothrow_function_flags,
pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
pass_rtl_eh): New.
* final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
rest_of_handle_shorten_branches, pass_shorten_branches,
rest_of_clean_state, pass_clean_state): New.
* flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
rest_of_handle_remove_death_notes, pass_remove_death_notes,
rest_of_handle_life, pass_life, rest_of_handle_flow2,
pass_flow2): New.
* function.c (pass_instantiate_virtual_regs, pass_init_function,
rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
* gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
pass_gcse): New.
* global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
* ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
pass_rtl_ifcvt, gate_handle_if_after_combine,
rest_of_handle_if_after_combine, pass_if_after_combine,
gate_handle_if_after_reload, rest_of_handle_if_after_reload,
pass_if_after_reload): New.
* integrate.c (pass_initial_value_sets): New.
* jump.c (pass_cleanup_barriers, purge_line_number_notes,
pass_purge_lineno_notes): New.
* mode-switching.c (rest_of_handle_mode_switching,
pass_mode_switching): New.
* local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
* loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
pass_loop2): New.
* loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
pass_loop_optimize): New.
* modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
pass_sms): New.
* postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
pass_gcse2): New.
* postreload.c (gate_handle_postreload, rest_of_handle_postreload,
pass_postreload_cse): New.
* profile.c (gate_handle_profiling, pass_profiling,
rest_of_handle_branch_prob, pass_branch_prob): New.
* recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
pass_split_before_regstack, gate_handle_split_before_regstack,
gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
rest_of_handle_split_all_insns, pass_split_all_insns): New.
* reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
pass_stack_regs): New.
* regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
pass_stack_adjustments): New.
* regrename.c (gate_handle_regrename, rest_of_handle_regrename,
pass_regrename): New.
* reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
pass_delay_slots, gate_handle_machine_reorg,
rest_of_handle_machine_reorg, pass_machine_reorg): New.
* rtl.h (extern void purge_line_number_notes): New.
* sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
gate_handle_sched2, rest_of_handle_sched2, pass_sched,
pass_sched2): New.
* tracer.c (gate_handle_tracer, rest_of_handle_tracer,
pass_tracer): New.
* value-prof.c (gate_handle_value_profile_transformations,
rest_of_handle_value_profile_transformations,
pass_value_profile_transformations): New.
* var-tracking.c (gate_handle_var_tracking,
pass_variable_tracking): New.
* web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
* passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
rest_of_handle_delay_slots, rest_of_handle_stack_regs,
rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
rest_of_handle_old_regalloc, rest_of_handle_regrename,
rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
rest_of_handle_gcse2, rest_of_handle_regmove,
rest_of_handle_tracer, rest_of_handle_if_conversion,
rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
rest_of_handle_web, rest_of_handle_branch_prob,
rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
rest_of_handle_jump_bypass, rest_of_handle_combine,
rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
rest_of_handle_gcse, rest_of_handle_loop_optimize,
rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
rest_of_handle_mode_switching, rest_of_handle_jump,
rest_of_handle_eh, rest_of_handle_stack_adjustments,
rest_of_handle_flow2, rest_of_handle_jump2,
rest_of_handle_peephole2, rest_of_handle_postreload,
rest_of_handle_shorten_branches, rest_of_clean_state,
rest_of_compilation): Remove.
* cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
* passes.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
from tree-optimize.c.
(init_optimization_passes): Moved from tree-optimize.c,
adding the RTL optimizations.
* tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
* tree-optimize.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list,
init_tree_optimization_passes, ipa_passes): Delete.
* tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
the RTL dumps.
(TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
from tree.h.
(ipa_passes): Remove.
(all_passes, all_ipa_passes, all_lowering_passes): Now extern.
* tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
dump_switch_p, dump_flag_name): Moved to tree-pass.h.
(dump_info_p, dump_flag): Moved to tree-dump.h.
* Makefile.in: Adjust dependencies for tree-pretty-print.c,
cgraph.c, opts.c.
* passes.c (finish_optimization_passes): Use dump_begin
and dump_end, TDI_end.
(gate_rest_of_compilation): New.
(pass_rest_of_compilation): Use it.
(gate_postreload, pass_postreload): New.
* toplev.c (general_init): Rename init_tree_optimization_passes.
* toplev.h (init_tree_optimization_passes): Rename to
init_optimizations_passes.
* tree-dump.c (dump_flag): Make static.
(dump_files): Remove RTL dumps.
* tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
pass_cleanup_cfg, pass_free_cfg_annotations,
pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
pass_init_datastructures, pass_fixup_cfg): Make non-static.
* tree-pretty-print.c: Include tree-pass.h.
* cgraph.c: Include tree-dump.h.
cp:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (class.o, decl2.o): Adjust dependencies.
* class.c: Include tree-dump.h.
* decl2.c: Include tree-dump.h.
java:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (parse.o): Adjust dependencies.
* parse.y: Include tree-dump.h.
From-SVN: r101627
2005-07-05 18:20:53 +02:00
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#include "debug.h"
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c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
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#include "params.h"
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2006-11-28 11:53:16 +01:00
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#include "tree-inline.h"
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Makefile.in: Add dependencies.
* Makefile.in: Add dependencies.
* tree-pretty-print.c: Include value-prof.h
(dump_generic_bb_buff): Dump histograms
* value-prof.c: Include pointer-set.h
(gimple_alloc_histogram_value, histogram_hash, histogram_eq,
set_histogram_value, gimple_histogram_value,
gimple_add_histogram_value, gimple_remove_histogram_value,
gimple_histogram_value_of_type, dump_histogram_value,
dump_histograms_for_stmt, gimple_remove_stmt_histograms,
gimple_duplicate_stmt_histograms, visit_hist,
verify_histograms): New functions.
(tree_value_profile_transformations): Update for new histogram API.
(tree_divmod_fixed_value): Update for new histogram API.
(tree_divmod_fixed_value_transform): Update for new histogram API.
(tree_mod_pow2): Update for new histogram API.
(tree_mod_pow2_value_transform): Update for new histogram API.
(tree_mod_subtract): Update for new histogram API.
(tree_mod_subtract_transform): Update for new histogram API.
(tree_stringops_transform): Update for new histogram API.
(tree_divmod_values_to_profile): Update for new histogram API.
(tree_stringops_values_to_profile): Update for new histogram API.
(tree_find_values_to_profile): Update for new histogram API.
* value-prof.h (gimple_histogram_value): Declare.
(gimple_histogram_value_of_type): Declare.
(gimple_add_histogram_value): Declare.
(gimple_remove_histogram_value): Declare.
(dump_histograms_for_stmt): Declare.
(gimple_remove_histogram_value): Declare.
(gimple_remove_stmt_histograms): Declare.
(gimple_duplicate_stmt_histograms): Declare.
(verify_histograms): Declare.
* function.h
(struct funrction): Add value_histograms hash.
(VALUE_HISTOGRAMS): New macro.
* profile.c (compute_value_histograms): update for new API.
* tree-inline.c: Include value-prof.h
(copy_bb): Update histograms.
* tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
reorder to get smaller memory layout.
* tree-cfg.c: Include value-prof.h
(bsi_remove): Update histograms.
(bsi_replace): Update histograms.
(verify_stmts): Call histogram verifier.
(tree_duplicate_bb): Update histograms.
(move_block_to_fn): Update histograms.
From-SVN: r119829
2006-12-13 14:02:06 +01:00
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#include "value-prof.h"
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2008-01-26 18:18:35 +01:00
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#include "target.h"
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Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
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#include "ssaexpand.h"
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c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
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2008-07-28 16:33:56 +02:00
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Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
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/* This variable holds information helping the rewriting of SSA trees
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into RTL. */
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struct ssaexpand SA;
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2008-07-28 16:33:56 +02:00
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/* Return an expression tree corresponding to the RHS of GIMPLE
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statement STMT. */
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tree
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gimple_assign_rhs_to_tree (gimple stmt)
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{
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tree t;
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builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
* builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
* calls.c (avoid_likely_spilled_reg): Likewise.
* cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
* cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
* config/i386/i386.c (ix86_expand_special_args_builtin,
ix86_secondary_reload): Likewise.
* except.c (struct eh_region, gen_eh_region_catch,
remove_unreachable_regions, duplicate_eh_regions,
assign_filter_values, build_post_landing_pads,
sjlj_find_directly_reachable_regions, remove_eh_handler,
reachable_next_level, foreach_reachable_handler,
can_throw_internal_1, can_throw_external_1,
collect_one_action_chain): Likewise.
* expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
* fold-const.c (twoval_comparison_p, eval_subst): Likewise.
* function.c (update_temp_slot_address, instantiate_new_reg,
instantiate_virtual_regs_in_rtx,
instantiate_virtual_regs_in_insn): Likewise.
* gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
* gimplify.c (gimplify_call_expr, gimplify_init_constructor,
gimplify_cleanup_point_expr): Likewise.
* ipa-cp.c (ipcp_lattice_changed): Likewise.
* passes.c (next_pass_1): Likewise.
* print-tree.c (print_node_brief, print_node): Likewise.
* profile.c (branch_prob): Likewise.
* tree-dump.c (dump_register): Likewise.
* tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
Likewise.
* tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
copy_edges_for_bb, copy_cfg_body, copy_tree_r,
copy_arguments_for_versioning, copy_static_chain): Likewise.
* tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
add_new_name_mapping, register_new_name_mapping): Likewise.
* tree-mudflap.c (mf_xform_derefs): Likewise.
* tree-predcom.c (struct chain, dump_chain, replace_ref_with,
get_init_expr, combine_chains): Likewise.
* tree-pretty-print.c (dump_generic_node): Likewise.
* tree-ssa-structalias.c (create_variable_info_for): Likewise.
* tree-vrp.c (simplify_cond_using_ranges): Likewise.
* tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
* value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
From-SVN: r138809
2008-08-06 17:57:09 +02:00
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enum gimple_rhs_class grhs_class;
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2008-07-28 16:33:56 +02:00
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builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
* builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
* calls.c (avoid_likely_spilled_reg): Likewise.
* cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
* cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
* config/i386/i386.c (ix86_expand_special_args_builtin,
ix86_secondary_reload): Likewise.
* except.c (struct eh_region, gen_eh_region_catch,
remove_unreachable_regions, duplicate_eh_regions,
assign_filter_values, build_post_landing_pads,
sjlj_find_directly_reachable_regions, remove_eh_handler,
reachable_next_level, foreach_reachable_handler,
can_throw_internal_1, can_throw_external_1,
collect_one_action_chain): Likewise.
* expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
* fold-const.c (twoval_comparison_p, eval_subst): Likewise.
* function.c (update_temp_slot_address, instantiate_new_reg,
instantiate_virtual_regs_in_rtx,
instantiate_virtual_regs_in_insn): Likewise.
* gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
* gimplify.c (gimplify_call_expr, gimplify_init_constructor,
gimplify_cleanup_point_expr): Likewise.
* ipa-cp.c (ipcp_lattice_changed): Likewise.
* passes.c (next_pass_1): Likewise.
* print-tree.c (print_node_brief, print_node): Likewise.
* profile.c (branch_prob): Likewise.
* tree-dump.c (dump_register): Likewise.
* tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
Likewise.
* tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
copy_edges_for_bb, copy_cfg_body, copy_tree_r,
copy_arguments_for_versioning, copy_static_chain): Likewise.
* tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
add_new_name_mapping, register_new_name_mapping): Likewise.
* tree-mudflap.c (mf_xform_derefs): Likewise.
* tree-predcom.c (struct chain, dump_chain, replace_ref_with,
get_init_expr, combine_chains): Likewise.
* tree-pretty-print.c (dump_generic_node): Likewise.
* tree-ssa-structalias.c (create_variable_info_for): Likewise.
* tree-vrp.c (simplify_cond_using_ranges): Likewise.
* tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
* value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
From-SVN: r138809
2008-08-06 17:57:09 +02:00
|
|
|
grhs_class = get_gimple_rhs_class (gimple_expr_code (stmt));
|
2008-07-28 16:33:56 +02:00
|
|
|
|
builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
* builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
* calls.c (avoid_likely_spilled_reg): Likewise.
* cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
* cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
* config/i386/i386.c (ix86_expand_special_args_builtin,
ix86_secondary_reload): Likewise.
* except.c (struct eh_region, gen_eh_region_catch,
remove_unreachable_regions, duplicate_eh_regions,
assign_filter_values, build_post_landing_pads,
sjlj_find_directly_reachable_regions, remove_eh_handler,
reachable_next_level, foreach_reachable_handler,
can_throw_internal_1, can_throw_external_1,
collect_one_action_chain): Likewise.
* expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
* fold-const.c (twoval_comparison_p, eval_subst): Likewise.
* function.c (update_temp_slot_address, instantiate_new_reg,
instantiate_virtual_regs_in_rtx,
instantiate_virtual_regs_in_insn): Likewise.
* gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
* gimplify.c (gimplify_call_expr, gimplify_init_constructor,
gimplify_cleanup_point_expr): Likewise.
* ipa-cp.c (ipcp_lattice_changed): Likewise.
* passes.c (next_pass_1): Likewise.
* print-tree.c (print_node_brief, print_node): Likewise.
* profile.c (branch_prob): Likewise.
* tree-dump.c (dump_register): Likewise.
* tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
Likewise.
* tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
copy_edges_for_bb, copy_cfg_body, copy_tree_r,
copy_arguments_for_versioning, copy_static_chain): Likewise.
* tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
add_new_name_mapping, register_new_name_mapping): Likewise.
* tree-mudflap.c (mf_xform_derefs): Likewise.
* tree-predcom.c (struct chain, dump_chain, replace_ref_with,
get_init_expr, combine_chains): Likewise.
* tree-pretty-print.c (dump_generic_node): Likewise.
* tree-ssa-structalias.c (create_variable_info_for): Likewise.
* tree-vrp.c (simplify_cond_using_ranges): Likewise.
* tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
* value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
From-SVN: r138809
2008-08-06 17:57:09 +02:00
|
|
|
if (grhs_class == GIMPLE_BINARY_RHS)
|
2008-07-28 16:33:56 +02:00
|
|
|
t = build2 (gimple_assign_rhs_code (stmt),
|
|
|
|
TREE_TYPE (gimple_assign_lhs (stmt)),
|
|
|
|
gimple_assign_rhs1 (stmt),
|
|
|
|
gimple_assign_rhs2 (stmt));
|
builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
* builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
* calls.c (avoid_likely_spilled_reg): Likewise.
* cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
* cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
* config/i386/i386.c (ix86_expand_special_args_builtin,
ix86_secondary_reload): Likewise.
* except.c (struct eh_region, gen_eh_region_catch,
remove_unreachable_regions, duplicate_eh_regions,
assign_filter_values, build_post_landing_pads,
sjlj_find_directly_reachable_regions, remove_eh_handler,
reachable_next_level, foreach_reachable_handler,
can_throw_internal_1, can_throw_external_1,
collect_one_action_chain): Likewise.
* expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
* fold-const.c (twoval_comparison_p, eval_subst): Likewise.
* function.c (update_temp_slot_address, instantiate_new_reg,
instantiate_virtual_regs_in_rtx,
instantiate_virtual_regs_in_insn): Likewise.
* gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
* gimplify.c (gimplify_call_expr, gimplify_init_constructor,
gimplify_cleanup_point_expr): Likewise.
* ipa-cp.c (ipcp_lattice_changed): Likewise.
* passes.c (next_pass_1): Likewise.
* print-tree.c (print_node_brief, print_node): Likewise.
* profile.c (branch_prob): Likewise.
* tree-dump.c (dump_register): Likewise.
* tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
Likewise.
* tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
copy_edges_for_bb, copy_cfg_body, copy_tree_r,
copy_arguments_for_versioning, copy_static_chain): Likewise.
* tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
add_new_name_mapping, register_new_name_mapping): Likewise.
* tree-mudflap.c (mf_xform_derefs): Likewise.
* tree-predcom.c (struct chain, dump_chain, replace_ref_with,
get_init_expr, combine_chains): Likewise.
* tree-pretty-print.c (dump_generic_node): Likewise.
* tree-ssa-structalias.c (create_variable_info_for): Likewise.
* tree-vrp.c (simplify_cond_using_ranges): Likewise.
* tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
* value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
From-SVN: r138809
2008-08-06 17:57:09 +02:00
|
|
|
else if (grhs_class == GIMPLE_UNARY_RHS)
|
2008-07-28 16:33:56 +02:00
|
|
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t = build1 (gimple_assign_rhs_code (stmt),
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|
|
|
TREE_TYPE (gimple_assign_lhs (stmt)),
|
|
|
|
gimple_assign_rhs1 (stmt));
|
builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
* builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
* calls.c (avoid_likely_spilled_reg): Likewise.
* cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
* cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
* config/i386/i386.c (ix86_expand_special_args_builtin,
ix86_secondary_reload): Likewise.
* except.c (struct eh_region, gen_eh_region_catch,
remove_unreachable_regions, duplicate_eh_regions,
assign_filter_values, build_post_landing_pads,
sjlj_find_directly_reachable_regions, remove_eh_handler,
reachable_next_level, foreach_reachable_handler,
can_throw_internal_1, can_throw_external_1,
collect_one_action_chain): Likewise.
* expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
* fold-const.c (twoval_comparison_p, eval_subst): Likewise.
* function.c (update_temp_slot_address, instantiate_new_reg,
instantiate_virtual_regs_in_rtx,
instantiate_virtual_regs_in_insn): Likewise.
* gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
* gimplify.c (gimplify_call_expr, gimplify_init_constructor,
gimplify_cleanup_point_expr): Likewise.
* ipa-cp.c (ipcp_lattice_changed): Likewise.
* passes.c (next_pass_1): Likewise.
* print-tree.c (print_node_brief, print_node): Likewise.
* profile.c (branch_prob): Likewise.
* tree-dump.c (dump_register): Likewise.
* tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
Likewise.
* tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
copy_edges_for_bb, copy_cfg_body, copy_tree_r,
copy_arguments_for_versioning, copy_static_chain): Likewise.
* tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
add_new_name_mapping, register_new_name_mapping): Likewise.
* tree-mudflap.c (mf_xform_derefs): Likewise.
* tree-predcom.c (struct chain, dump_chain, replace_ref_with,
get_init_expr, combine_chains): Likewise.
* tree-pretty-print.c (dump_generic_node): Likewise.
* tree-ssa-structalias.c (create_variable_info_for): Likewise.
* tree-vrp.c (simplify_cond_using_ranges): Likewise.
* tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
* value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
From-SVN: r138809
2008-08-06 17:57:09 +02:00
|
|
|
else if (grhs_class == GIMPLE_SINGLE_RHS)
|
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
|
|
|
{
|
|
|
|
t = gimple_assign_rhs1 (stmt);
|
|
|
|
/* Avoid modifying this tree in place below. */
|
|
|
|
if (gimple_has_location (stmt) && CAN_HAVE_LOCATION_P (t)
|
|
|
|
&& gimple_location (stmt) != EXPR_LOCATION (t))
|
|
|
|
t = copy_node (t);
|
|
|
|
}
|
2008-07-28 16:33:56 +02:00
|
|
|
else
|
|
|
|
gcc_unreachable ();
|
|
|
|
|
Add source_location support to PHI arguments.
2009-07-29 Andrew MacLeod <amacleod@redhat.com>
PR debug 26475
* tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
location for phi arguments.
(rewrite_update_phi_arguments): Find locations for reaching defs.
* tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
Add location to add_phi_arg calls.
* tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
* tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
* tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
* tree.h (struct phi_arg_d): Add location_t to PHI arguments.
* tree-phinodes.c (make_phi_node): Initialize location.
(resize_phi_node): Initialize location to UNKNOWN_LOCATION.
(add_phi_arg): Add location parameter.
(remove_phi_arg_num): Move location when moving phi argument.
* omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
location.
* tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
slpeel_update_phi_nodes_for_guard1,
slpeel_update_phi_nodes_for_guard2,
slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
vect_loop_versioning): Set locations.
* tree-parloops.c (create_phi_for_local_result,
transform_to_exit_first_loop, create_parallel_loop): Add locations.
* gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
* tree-vect-loop.c (get_initial_def_for_induction,
vect_create_epilog_for_reduction, vect_finalize_reduction): Add
locations.
* tree-flow-inline.h (gimple_phi_arg_location): New. Return locus.
(gimple_phi_arg_location_from_edge): New. Return locus from an edge.
(gimple_phi_arg_set_location): New. Set locus.
(gimple_phi_arg_has_location): New. Check for locus.
(redirect_edge_var_map_location): New. Return locus from var_map.
* tree-vect-data-refs.c (vect_setup_realignment): Set location.
* tree-ssa-phiopt.c (conditional_replacement): Set locus when
combining PHI arguments.
(cond_store_replacement): Set location.
* cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
* grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
scop_add_exit_phis_edge): Add locations.
* tree-cfgcleanup.c (remove_forwarder_block,
remove_forwarder_block_with_phi): Add locations.
* tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
* tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
locations.
* tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
* tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
flush_pending_stmts): Add source location.
* lambda-code.c (perfect_nestify): Maintain location stack with argument
stack to preserve locations.
* tree-vect-stmts.c (vectorizable_load): Add location.
* tree-inline.c (copy_phis_for_bb): Copy locus.
(setup_one_parameter): Add call locus to inlined parameter stmts.
(initialize_inlined_parameters): Pass in call location as parameter
assignment locus.
(tree_function_versioning): Pass location to setup_one_parameter.
* tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
* tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
copy and edge lists.
(insert_partition_copy_on_edge, insert_value_copy_on_edge,
insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
locus parameter and override the stmt default if provided.
(new_elim_graph, clear_elim_graph, delete_elim_graph,
elim_graph_add_edge, elim_graph_remove_succ_edge,
FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
eliminate_phi): Add locus info in elimination graph for each edge and
value copy.
(insert_backedge_copies): Copy locus if present.
* tree-flow.h (struct _edge_var_map): Add locus field.
* tree-switch_conversions.c (fix_phi_nodes): Add locations.
* tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
locations.
* ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
From-SVN: r150267
2009-07-30 20:36:30 +02:00
|
|
|
if (gimple_has_location (stmt) && CAN_HAVE_LOCATION_P (t))
|
|
|
|
SET_EXPR_LOCATION (t, gimple_location (stmt));
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
return t;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return an expression tree corresponding to the PREDICATE of GIMPLE_COND
|
|
|
|
statement STMT. */
|
|
|
|
|
|
|
|
static tree
|
|
|
|
gimple_cond_pred_to_tree (gimple stmt)
|
|
|
|
{
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
/* We're sometimes presented with such code:
|
|
|
|
D.123_1 = x < y;
|
|
|
|
if (D.123_1 != 0)
|
|
|
|
...
|
|
|
|
This would expand to two comparisons which then later might
|
|
|
|
be cleaned up by combine. But some pattern matchers like if-conversion
|
|
|
|
work better when there's only one compare, so make up for this
|
|
|
|
here as special exception if TER would have made the same change. */
|
|
|
|
tree lhs = gimple_cond_lhs (stmt);
|
|
|
|
if (SA.values
|
|
|
|
&& TREE_CODE (lhs) == SSA_NAME
|
2009-04-27 14:16:00 +02:00
|
|
|
&& bitmap_bit_p (SA.values, SSA_NAME_VERSION (lhs)))
|
|
|
|
lhs = gimple_assign_rhs_to_tree (SSA_NAME_DEF_STMT (lhs));
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
return build2 (gimple_cond_code (stmt), boolean_type_node,
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
lhs, gimple_cond_rhs (stmt));
|
2008-07-28 16:33:56 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Helper for gimple_to_tree. Set EXPR_LOCATION for every expression
|
|
|
|
inside *TP. DATA is the location to set. */
|
|
|
|
|
|
|
|
static tree
|
|
|
|
set_expr_location_r (tree *tp, int *ws ATTRIBUTE_UNUSED, void *data)
|
|
|
|
{
|
|
|
|
location_t *loc = (location_t *) data;
|
|
|
|
if (EXPR_P (*tp))
|
|
|
|
SET_EXPR_LOCATION (*tp, *loc);
|
|
|
|
|
|
|
|
return NULL_TREE;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* RTL expansion has traditionally been done on trees, so the
|
|
|
|
transition to doing it on GIMPLE tuples is very invasive to the RTL
|
|
|
|
expander. To facilitate the transition, this function takes a
|
|
|
|
GIMPLE tuple STMT and returns the same statement in the form of a
|
|
|
|
tree. */
|
|
|
|
|
|
|
|
static tree
|
|
|
|
gimple_to_tree (gimple stmt)
|
|
|
|
{
|
|
|
|
tree t;
|
|
|
|
int rn;
|
|
|
|
tree_ann_common_t ann;
|
|
|
|
location_t loc;
|
|
|
|
|
|
|
|
switch (gimple_code (stmt))
|
|
|
|
{
|
|
|
|
case GIMPLE_ASSIGN:
|
|
|
|
{
|
|
|
|
tree lhs = gimple_assign_lhs (stmt);
|
|
|
|
|
|
|
|
t = gimple_assign_rhs_to_tree (stmt);
|
|
|
|
t = build2 (MODIFY_EXPR, TREE_TYPE (lhs), lhs, t);
|
|
|
|
if (gimple_assign_nontemporal_move_p (stmt))
|
|
|
|
MOVE_NONTEMPORAL (t) = true;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GIMPLE_COND:
|
|
|
|
t = gimple_cond_pred_to_tree (stmt);
|
|
|
|
t = build3 (COND_EXPR, void_type_node, t, NULL_TREE, NULL_TREE);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GIMPLE_GOTO:
|
|
|
|
t = build1 (GOTO_EXPR, void_type_node, gimple_goto_dest (stmt));
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GIMPLE_LABEL:
|
|
|
|
t = build1 (LABEL_EXPR, void_type_node, gimple_label_label (stmt));
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GIMPLE_RETURN:
|
|
|
|
{
|
|
|
|
tree retval = gimple_return_retval (stmt);
|
|
|
|
|
|
|
|
if (retval && retval != error_mark_node)
|
|
|
|
{
|
|
|
|
tree result = DECL_RESULT (current_function_decl);
|
|
|
|
|
|
|
|
/* If we are not returning the current function's RESULT_DECL,
|
|
|
|
build an assignment to it. */
|
|
|
|
if (retval != result)
|
|
|
|
{
|
|
|
|
/* I believe that a function's RESULT_DECL is unique. */
|
|
|
|
gcc_assert (TREE_CODE (retval) != RESULT_DECL);
|
|
|
|
|
|
|
|
retval = build2 (MODIFY_EXPR, TREE_TYPE (result),
|
|
|
|
result, retval);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
t = build1 (RETURN_EXPR, void_type_node, retval);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GIMPLE_ASM:
|
|
|
|
{
|
|
|
|
size_t i, n;
|
|
|
|
tree out, in, cl;
|
|
|
|
const char *s;
|
|
|
|
|
|
|
|
out = NULL_TREE;
|
|
|
|
n = gimple_asm_noutputs (stmt);
|
|
|
|
if (n > 0)
|
|
|
|
{
|
|
|
|
t = out = gimple_asm_output_op (stmt, 0);
|
|
|
|
for (i = 1; i < n; i++)
|
|
|
|
{
|
|
|
|
TREE_CHAIN (t) = gimple_asm_output_op (stmt, i);
|
|
|
|
t = gimple_asm_output_op (stmt, i);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
in = NULL_TREE;
|
|
|
|
n = gimple_asm_ninputs (stmt);
|
|
|
|
if (n > 0)
|
|
|
|
{
|
|
|
|
t = in = gimple_asm_input_op (stmt, 0);
|
|
|
|
for (i = 1; i < n; i++)
|
|
|
|
{
|
|
|
|
TREE_CHAIN (t) = gimple_asm_input_op (stmt, i);
|
|
|
|
t = gimple_asm_input_op (stmt, i);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
cl = NULL_TREE;
|
|
|
|
n = gimple_asm_nclobbers (stmt);
|
|
|
|
if (n > 0)
|
|
|
|
{
|
|
|
|
t = cl = gimple_asm_clobber_op (stmt, 0);
|
|
|
|
for (i = 1; i < n; i++)
|
|
|
|
{
|
|
|
|
TREE_CHAIN (t) = gimple_asm_clobber_op (stmt, i);
|
|
|
|
t = gimple_asm_clobber_op (stmt, i);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
s = gimple_asm_string (stmt);
|
|
|
|
t = build4 (ASM_EXPR, void_type_node, build_string (strlen (s), s),
|
|
|
|
out, in, cl);
|
|
|
|
ASM_VOLATILE_P (t) = gimple_asm_volatile_p (stmt);
|
|
|
|
ASM_INPUT_P (t) = gimple_asm_input_p (stmt);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GIMPLE_CALL:
|
|
|
|
{
|
|
|
|
size_t i;
|
|
|
|
tree fn;
|
|
|
|
tree_ann_common_t ann;
|
|
|
|
|
|
|
|
t = build_vl_exp (CALL_EXPR, gimple_call_num_args (stmt) + 3);
|
|
|
|
|
2008-08-09 19:28:39 +02:00
|
|
|
CALL_EXPR_FN (t) = gimple_call_fn (stmt);
|
2008-07-28 16:33:56 +02:00
|
|
|
TREE_TYPE (t) = gimple_call_return_type (stmt);
|
|
|
|
CALL_EXPR_STATIC_CHAIN (t) = gimple_call_chain (stmt);
|
|
|
|
|
|
|
|
for (i = 0; i < gimple_call_num_args (stmt); i++)
|
|
|
|
CALL_EXPR_ARG (t, i) = gimple_call_arg (stmt, i);
|
|
|
|
|
|
|
|
if (!(gimple_call_flags (stmt) & (ECF_CONST | ECF_PURE)))
|
|
|
|
TREE_SIDE_EFFECTS (t) = 1;
|
|
|
|
|
|
|
|
if (gimple_call_flags (stmt) & ECF_NOTHROW)
|
|
|
|
TREE_NOTHROW (t) = 1;
|
|
|
|
|
|
|
|
CALL_EXPR_TAILCALL (t) = gimple_call_tail_p (stmt);
|
|
|
|
CALL_EXPR_RETURN_SLOT_OPT (t) = gimple_call_return_slot_opt_p (stmt);
|
|
|
|
CALL_FROM_THUNK_P (t) = gimple_call_from_thunk_p (stmt);
|
|
|
|
CALL_CANNOT_INLINE_P (t) = gimple_call_cannot_inline_p (stmt);
|
|
|
|
CALL_EXPR_VA_ARG_PACK (t) = gimple_call_va_arg_pack_p (stmt);
|
|
|
|
|
|
|
|
/* If the call has a LHS then create a MODIFY_EXPR to hold it. */
|
|
|
|
{
|
|
|
|
tree lhs = gimple_call_lhs (stmt);
|
|
|
|
|
|
|
|
if (lhs)
|
|
|
|
t = build2 (MODIFY_EXPR, TREE_TYPE (lhs), lhs, t);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Record the original call statement, as it may be used
|
|
|
|
to retrieve profile information during expansion. */
|
2008-08-09 19:28:39 +02:00
|
|
|
|
|
|
|
if ((fn = gimple_call_fndecl (stmt)) != NULL_TREE
|
|
|
|
&& DECL_BUILT_IN (fn))
|
2008-07-28 16:33:56 +02:00
|
|
|
{
|
|
|
|
ann = get_tree_common_ann (t);
|
|
|
|
ann->stmt = stmt;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GIMPLE_SWITCH:
|
|
|
|
{
|
|
|
|
tree label_vec;
|
|
|
|
size_t i;
|
|
|
|
tree elt = gimple_switch_label (stmt, 0);
|
|
|
|
|
|
|
|
label_vec = make_tree_vec (gimple_switch_num_labels (stmt));
|
|
|
|
|
|
|
|
if (!CASE_LOW (elt) && !CASE_HIGH (elt))
|
|
|
|
{
|
|
|
|
for (i = 1; i < gimple_switch_num_labels (stmt); i++)
|
|
|
|
TREE_VEC_ELT (label_vec, i - 1) = gimple_switch_label (stmt, i);
|
|
|
|
|
|
|
|
/* The default case in a SWITCH_EXPR must be at the end of
|
|
|
|
the label vector. */
|
|
|
|
TREE_VEC_ELT (label_vec, i - 1) = gimple_switch_label (stmt, 0);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
for (i = 0; i < gimple_switch_num_labels (stmt); i++)
|
|
|
|
TREE_VEC_ELT (label_vec, i) = gimple_switch_label (stmt, i);
|
|
|
|
}
|
|
|
|
|
|
|
|
t = build3 (SWITCH_EXPR, void_type_node, gimple_switch_index (stmt),
|
|
|
|
NULL, label_vec);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GIMPLE_NOP:
|
|
|
|
case GIMPLE_PREDICT:
|
|
|
|
t = build1 (NOP_EXPR, void_type_node, size_zero_node);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GIMPLE_RESX:
|
|
|
|
t = build_resx (gimple_resx_region (stmt));
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
if (errorcount == 0)
|
|
|
|
{
|
|
|
|
error ("Unrecognized GIMPLE statement during RTL expansion");
|
|
|
|
print_gimple_stmt (stderr, stmt, 4, 0);
|
|
|
|
gcc_unreachable ();
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* Ignore any bad gimple codes if we're going to die anyhow,
|
|
|
|
so we can at least set TREE_ASM_WRITTEN and have the rest
|
|
|
|
of compilation advance without sudden ICE death. */
|
|
|
|
t = build1 (NOP_EXPR, void_type_node, size_zero_node);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If STMT is inside an exception region, record it in the generated
|
|
|
|
expression. */
|
|
|
|
rn = lookup_stmt_eh_region (stmt);
|
|
|
|
if (rn >= 0)
|
|
|
|
{
|
|
|
|
tree call = get_call_expr_in (t);
|
|
|
|
|
|
|
|
ann = get_tree_common_ann (t);
|
|
|
|
ann->rn = rn;
|
|
|
|
|
|
|
|
/* For a CALL_EXPR on the RHS of an assignment, calls.c looks up
|
|
|
|
the CALL_EXPR not the assignment statment for EH region number. */
|
|
|
|
if (call && call != t)
|
|
|
|
{
|
|
|
|
ann = get_tree_common_ann (call);
|
|
|
|
ann->rn = rn;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set EXPR_LOCATION in all the embedded expressions. */
|
|
|
|
loc = gimple_location (stmt);
|
|
|
|
walk_tree (&t, set_expr_location_r, (void *) &loc, NULL);
|
|
|
|
|
|
|
|
TREE_BLOCK (t) = gimple_block (stmt);
|
|
|
|
|
|
|
|
return t;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Release back to GC memory allocated by gimple_to_tree. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
release_stmt_tree (gimple stmt, tree stmt_tree)
|
|
|
|
{
|
|
|
|
tree_ann_common_t ann;
|
|
|
|
|
|
|
|
switch (gimple_code (stmt))
|
|
|
|
{
|
|
|
|
case GIMPLE_ASSIGN:
|
|
|
|
if (get_gimple_rhs_class (gimple_expr_code (stmt)) != GIMPLE_SINGLE_RHS)
|
|
|
|
ggc_free (TREE_OPERAND (stmt_tree, 1));
|
|
|
|
break;
|
|
|
|
case GIMPLE_COND:
|
|
|
|
ggc_free (COND_EXPR_COND (stmt_tree));
|
|
|
|
break;
|
|
|
|
case GIMPLE_RETURN:
|
|
|
|
if (TREE_OPERAND (stmt_tree, 0)
|
|
|
|
&& TREE_CODE (TREE_OPERAND (stmt_tree, 0)) == MODIFY_EXPR)
|
|
|
|
ggc_free (TREE_OPERAND (stmt_tree, 0));
|
|
|
|
break;
|
|
|
|
case GIMPLE_CALL:
|
|
|
|
if (gimple_call_lhs (stmt))
|
|
|
|
{
|
|
|
|
ann = tree_common_ann (TREE_OPERAND (stmt_tree, 1));
|
|
|
|
if (ann)
|
|
|
|
ggc_free (ann);
|
|
|
|
ggc_free (TREE_OPERAND (stmt_tree, 1));
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
ann = tree_common_ann (stmt_tree);
|
|
|
|
if (ann)
|
|
|
|
ggc_free (ann);
|
|
|
|
ggc_free (stmt_tree);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-09-23 02:50:37 +02:00
|
|
|
/* Verify that there is exactly single jump instruction since last and attach
|
|
|
|
REG_BR_PROB note specifying probability.
|
|
|
|
??? We really ought to pass the probability down to RTL expanders and let it
|
2004-09-23 12:54:07 +02:00
|
|
|
re-distribute it when the conditional expands into multiple conditionals.
|
|
|
|
This is however difficult to do. */
|
2006-11-11 17:54:57 +01:00
|
|
|
void
|
tree-vrp.c (execute_vrp): Do not pass dump argument to.
* tree-vrp.c (execute_vrp): Do not pass dump argument to.
loop_optimizer_init and loop_optimizer_finalize
* tree-ssa-sink.c (execute_sink_code): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
tree_ssa_loop_done): Ditto.
* tree-ssa-pre.c (init_pre, fini_pre): Ditto.
* sched-ebb.c: Include output.h.
(schedule_ebbs): Do not use dump argument.
* value-prof.h (struct profile_hooks): Remove profile_dump_file.
* loop.c (loop_dump_stream): Removed.
(loop_optimize, rest_of_handle_loop_optimize): Do not use dump
argument.
(scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
loop_iterations, strength_reduce, record_biv, record_giv,
final_giv_value, check_final_value, check_ext_dependent_givs,
combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
dump_file instead of loop_dump_stream.
* ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
argument dump_file.
* reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
dump argument.
* flow.c (life_analysis, rest_of_handle_life): Ditto.
* haifa-sched.c: Include output.h
(schedule_insns, sched_init): Do not use dump argument.
* mode-switching.c (optimize_mode_switching): Ditto.
* modulo-sched.c (stats_file): Removed.
(print_node_sched_params): Do not call argument dump_file.
(sms_schedule_by_order, loop_canon_p, sms_schedule,
rest_of_handle_sms): Do not use dump argument. Use dump_file instead
of stats_file.
* cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
use dump argument.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
rtl_loop_init, rtl_loop_done): Ditto.
* global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
* predict.c (combine_predictions_for_bb, tree_estimate_probability):
Ditto.
* recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
* lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
* regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
* emit-rtl.c (renumber_insns): Ditto.
* cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
expand_gimple_basic_block, tree_expand_cfg): Ditto.
* regclass.c (regclass): Ditto.
* tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
remove_ssa_form, rewrite_out_of_ssa): Ditto.
* reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
Ditto.
* sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
* local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
to regclass.
* gcse.c (gcse_file, debug_stderr): Removed.
(gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
rest_of_handle_gcse): Do not use dump argument.
(cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
compute_code_hoist_vbeinout, compute_code_hoist_data,
one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
compute_store_table, build_store_vectors, insert_insn_start_bb,
insert_store, remove_reachable_equiv_notes, replace_store_insn,
store_motion): Use dump_file instead of gcse_file.
* ipa-type-escape.c (type_escape_execute): Remove debugging comments.
* profile.c (profile_dump_file): Removed.
(branch_prob): Use dump_file instead of profile_dump_file.
* ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
dump_file.
* tree-ssa-copy.c (dump_copy_of): Ditto.
* rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
dump file to life_analysis.
* bt-load.c (branch_target_load_optimize): Ditto.
* cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
renumber_insns.
* rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
regclass, dbr_schedule): Declaration changed.
* sched-int.h (sched_init): Declaration changed.
* tree-profile.c (tree_profile_dump_file): Removed.
(tree_profile_hooks): Removed profile_dump_file hook.
* rtl-profile (rtl_profile_dump_file): Removed.
(rtl_profile_hooks): emoved profile_dump_file hook.
* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
changed.
* c-gimplify.c (c_genericize): Do not call local variable dump_file.
* tree-cfg.c (build_tree_cfg): Ditto.
* Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
* basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
Declaration changed.
* config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
life_analysis and schedule_insns.
* config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
life_analysis.
* config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
dbr_schedule.
* config/mips/mips.c (mips_reorg): Ditto.
* config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
schedule_ebbs.
From-SVN: r110656
2006-02-06 19:20:47 +01:00
|
|
|
add_reg_br_prob_note (rtx last, int probability)
|
2004-09-23 02:50:37 +02:00
|
|
|
{
|
|
|
|
if (profile_status == PROFILE_ABSENT)
|
|
|
|
return;
|
|
|
|
for (last = NEXT_INSN (last); last && NEXT_INSN (last); last = NEXT_INSN (last))
|
bt-load.c, [...]: Use JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P where appropriate.
* bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
where appropriate.
From-SVN: r98913
2005-04-28 07:03:09 +02:00
|
|
|
if (JUMP_P (last))
|
2004-09-23 02:50:37 +02:00
|
|
|
{
|
|
|
|
/* It is common to emit condjump-around-jump sequence when we don't know
|
|
|
|
how to reverse the conditional. Special case this. */
|
|
|
|
if (!any_condjump_p (last)
|
bt-load.c, [...]: Use JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P where appropriate.
* bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
where appropriate.
From-SVN: r98913
2005-04-28 07:03:09 +02:00
|
|
|
|| !JUMP_P (NEXT_INSN (last))
|
2004-09-23 02:50:37 +02:00
|
|
|
|| !simplejump_p (NEXT_INSN (last))
|
2006-08-26 09:31:30 +02:00
|
|
|
|| !NEXT_INSN (NEXT_INSN (last))
|
bt-load.c, [...]: Use JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P where appropriate.
* bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
where appropriate.
From-SVN: r98913
2005-04-28 07:03:09 +02:00
|
|
|
|| !BARRIER_P (NEXT_INSN (NEXT_INSN (last)))
|
2006-08-26 09:31:30 +02:00
|
|
|
|| !NEXT_INSN (NEXT_INSN (NEXT_INSN (last)))
|
bt-load.c, [...]: Use JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P where appropriate.
* bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
where appropriate.
From-SVN: r98913
2005-04-28 07:03:09 +02:00
|
|
|
|| !LABEL_P (NEXT_INSN (NEXT_INSN (NEXT_INSN (last))))
|
2004-09-23 02:50:37 +02:00
|
|
|
|| NEXT_INSN (NEXT_INSN (NEXT_INSN (NEXT_INSN (last)))))
|
|
|
|
goto failed;
|
alias.c (true_dependence): Remove 'abort' from comments.
* alias.c (true_dependence): Remove 'abort' from comments. Use
gcc_assert and gcc_unreachable as appropriate.
(canon_true_dependence): Likewise.
* bb-reorder.c (connect_traces): Likewise.
* c-common.c (c_add_case_label): Likewise.
* c-decl.c (finish_function): Likewise.
* caller-save.c (insert_restore, insert_save): Likewise.
* cfg.c (update_bb_profile_for_threading): Likewise.
* cfganal.c (flow_active_insn_p): Likewise.
* cfgexpand.c (add_reg_br_prob_note): Likewise.
* cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
cfg_layout_merge_blocks): Likewise.
* ifcvt.c (cond_exec_process_insns, merge_if_block,
find_if_block): Likewise.
* integrate.c (allocate_initial_values): Likewise.
* jump.c (reverse_condition, reverse_condition_maybe_unordered,
swap_condition, unsigned_condition, signed_condition,
mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
reg_or_subregno): Likewise.
* lambda-code.c (lambda_compute_auxillary_space,
lambda_transform_legal_p): Likewise.
* lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
* langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
lhd_incomplete_type_error, lhd_expand_expr,
lhd_types_compatible_p, lhd_tree_size): Likewise.
* lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
* local-alloc.c (update_equiv_regs): Likewise.
* loop-unroll.c (peel_loop_completely
unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
peel_loop_simple, unroll_loop_stupid,
analyze_iv_to_split_insn): Likewise.
* loop.c (gen_prefetch, find_and_verify_loops,
basic_induction_var): Likewise.
* modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
* value-prof.c (tree_find_values_to_profile): Likewise.
* varasm.c (named_section, default_assemble_integer,
decode_addr_const): Likewise.
From-SVN: r98508
2005-04-21 17:47:33 +02:00
|
|
|
gcc_assert (!find_reg_note (last, REG_BR_PROB, 0));
|
2008-07-02 20:01:18 +02:00
|
|
|
add_reg_note (last, REG_BR_PROB,
|
|
|
|
GEN_INT (REG_BR_PROB_BASE - probability));
|
2004-09-23 02:50:37 +02:00
|
|
|
return;
|
|
|
|
}
|
bt-load.c, [...]: Use JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P where appropriate.
* bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
where appropriate.
From-SVN: r98913
2005-04-28 07:03:09 +02:00
|
|
|
if (!last || !JUMP_P (last) || !any_condjump_p (last))
|
alias.c (true_dependence): Remove 'abort' from comments.
* alias.c (true_dependence): Remove 'abort' from comments. Use
gcc_assert and gcc_unreachable as appropriate.
(canon_true_dependence): Likewise.
* bb-reorder.c (connect_traces): Likewise.
* c-common.c (c_add_case_label): Likewise.
* c-decl.c (finish_function): Likewise.
* caller-save.c (insert_restore, insert_save): Likewise.
* cfg.c (update_bb_profile_for_threading): Likewise.
* cfganal.c (flow_active_insn_p): Likewise.
* cfgexpand.c (add_reg_br_prob_note): Likewise.
* cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
cfg_layout_merge_blocks): Likewise.
* ifcvt.c (cond_exec_process_insns, merge_if_block,
find_if_block): Likewise.
* integrate.c (allocate_initial_values): Likewise.
* jump.c (reverse_condition, reverse_condition_maybe_unordered,
swap_condition, unsigned_condition, signed_condition,
mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
reg_or_subregno): Likewise.
* lambda-code.c (lambda_compute_auxillary_space,
lambda_transform_legal_p): Likewise.
* lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
* langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
lhd_incomplete_type_error, lhd_expand_expr,
lhd_types_compatible_p, lhd_tree_size): Likewise.
* lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
* local-alloc.c (update_equiv_regs): Likewise.
* loop-unroll.c (peel_loop_completely
unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
peel_loop_simple, unroll_loop_stupid,
analyze_iv_to_split_insn): Likewise.
* loop.c (gen_prefetch, find_and_verify_loops,
basic_induction_var): Likewise.
* modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
* value-prof.c (tree_find_values_to_profile): Likewise.
* varasm.c (named_section, default_assemble_integer,
decode_addr_const): Likewise.
From-SVN: r98508
2005-04-21 17:47:33 +02:00
|
|
|
goto failed;
|
|
|
|
gcc_assert (!find_reg_note (last, REG_BR_PROB, 0));
|
2008-07-02 20:01:18 +02:00
|
|
|
add_reg_note (last, REG_BR_PROB, GEN_INT (probability));
|
2004-09-23 02:50:37 +02:00
|
|
|
return;
|
|
|
|
failed:
|
|
|
|
if (dump_file)
|
|
|
|
fprintf (dump_file, "Failed to add probability note\n");
|
|
|
|
}
|
|
|
|
|
2004-07-21 04:03:28 +02:00
|
|
|
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
#ifndef STACK_ALIGNMENT_NEEDED
|
|
|
|
#define STACK_ALIGNMENT_NEEDED 1
|
|
|
|
#endif
|
|
|
|
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
#define SSAVAR(x) (TREE_CODE (x) == SSA_NAME ? SSA_NAME_VAR (x) : x)
|
|
|
|
|
|
|
|
/* Associate declaration T with storage space X. If T is no
|
|
|
|
SSA name this is exactly SET_DECL_RTL, otherwise make the
|
|
|
|
partition of T associated with X. */
|
|
|
|
static inline void
|
|
|
|
set_rtl (tree t, rtx x)
|
|
|
|
{
|
|
|
|
if (TREE_CODE (t) == SSA_NAME)
|
|
|
|
{
|
|
|
|
SA.partition_to_pseudo[var_to_partition (SA.map, t)] = x;
|
|
|
|
if (x && !MEM_P (x))
|
|
|
|
set_reg_attrs_for_decl_rtl (SSA_NAME_VAR (t), x);
|
2009-06-08 13:37:12 +02:00
|
|
|
/* For the benefit of debug information at -O0 (where vartracking
|
|
|
|
doesn't run) record the place also in the base DECL if it's
|
|
|
|
a normal variable (not a parameter). */
|
|
|
|
if (x && x != pc_rtx && TREE_CODE (SSA_NAME_VAR (t)) == VAR_DECL)
|
|
|
|
{
|
|
|
|
tree var = SSA_NAME_VAR (t);
|
|
|
|
/* If we don't yet have something recorded, just record it now. */
|
|
|
|
if (!DECL_RTL_SET_P (var))
|
|
|
|
SET_DECL_RTL (var, x);
|
|
|
|
/* If we have it set alrady to "multiple places" don't
|
|
|
|
change this. */
|
|
|
|
else if (DECL_RTL (var) == pc_rtx)
|
|
|
|
;
|
|
|
|
/* If we have something recorded and it's not the same place
|
|
|
|
as we want to record now, we have multiple partitions for the
|
|
|
|
same base variable, with different places. We can't just
|
|
|
|
randomly chose one, hence we have to say that we don't know.
|
|
|
|
This only happens with optimization, and there var-tracking
|
|
|
|
will figure out the right thing. */
|
|
|
|
else if (DECL_RTL (var) != x)
|
|
|
|
SET_DECL_RTL (var, pc_rtx);
|
|
|
|
}
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
SET_DECL_RTL (t, x);
|
|
|
|
}
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
|
|
|
/* This structure holds data relevant to one variable that will be
|
|
|
|
placed in a stack slot. */
|
|
|
|
struct stack_var
|
|
|
|
{
|
|
|
|
/* The Variable. */
|
|
|
|
tree decl;
|
|
|
|
|
|
|
|
/* The offset of the variable. During partitioning, this is the
|
|
|
|
offset relative to the partition. After partitioning, this
|
|
|
|
is relative to the stack frame. */
|
|
|
|
HOST_WIDE_INT offset;
|
|
|
|
|
|
|
|
/* Initially, the size of the variable. Later, the size of the partition,
|
|
|
|
if this variable becomes it's partition's representative. */
|
|
|
|
HOST_WIDE_INT size;
|
|
|
|
|
|
|
|
/* The *byte* alignment required for this variable. Or as, with the
|
|
|
|
size, the alignment for this partition. */
|
|
|
|
unsigned int alignb;
|
|
|
|
|
|
|
|
/* The partition representative. */
|
|
|
|
size_t representative;
|
|
|
|
|
|
|
|
/* The next stack variable in the partition, or EOC. */
|
|
|
|
size_t next;
|
|
|
|
};
|
|
|
|
|
|
|
|
#define EOC ((size_t)-1)
|
|
|
|
|
|
|
|
/* We have an array of such objects while deciding allocation. */
|
|
|
|
static struct stack_var *stack_vars;
|
|
|
|
static size_t stack_vars_alloc;
|
|
|
|
static size_t stack_vars_num;
|
|
|
|
|
2008-06-06 07:42:00 +02:00
|
|
|
/* An array of indices such that stack_vars[stack_vars_sorted[i]].size
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
is non-decreasing. */
|
|
|
|
static size_t *stack_vars_sorted;
|
|
|
|
|
|
|
|
/* We have an interference graph between such objects. This graph
|
|
|
|
is lower triangular. */
|
|
|
|
static bool *stack_vars_conflict;
|
|
|
|
static size_t stack_vars_conflict_alloc;
|
|
|
|
|
|
|
|
/* The phase of the stack frame. This is the known misalignment of
|
|
|
|
virtual_stack_vars_rtx from PREFERRED_STACK_BOUNDARY. That is,
|
|
|
|
(frame_offset+frame_phase) % PREFERRED_STACK_BOUNDARY == 0. */
|
|
|
|
static int frame_phase;
|
|
|
|
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
/* Used during expand_used_vars to remember if we saw any decls for
|
|
|
|
which we'd like to enable stack smashing protection. */
|
|
|
|
static bool has_protected_decls;
|
|
|
|
|
|
|
|
/* Used during expand_used_vars. Remember if we say a character buffer
|
|
|
|
smaller than our cutoff threshold. Used for -Wstack-protector. */
|
|
|
|
static bool has_short_buffer;
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
|
|
|
/* Discover the byte alignment to use for DECL. Ignore alignment
|
|
|
|
we can't do with expected alignment of the stack boundary. */
|
|
|
|
|
|
|
|
static unsigned int
|
|
|
|
get_decl_align_unit (tree decl)
|
|
|
|
{
|
|
|
|
unsigned int align;
|
|
|
|
|
2009-03-11 22:12:33 +01:00
|
|
|
align = LOCAL_DECL_ALIGNMENT (decl);
|
[multiple changes]
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* builtins.c (expand_builtin_setjmp_receiver): Replace
virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
(expand_builtin_apply_args_1): Likewise.
(expand_builtin_longjmp): Need DRAP for stack alignment.
(expand_builtin_apply): Likewise.
* caller-save.c (setup_save_areas): Call assign_stack_local_1
instead of assign_stack_local to allow alignment reduction.
* calls.c (emit_call_1): Need DRAP for stack alignment if
return pops.
(expand_call): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
* stmt.c (expand_nl_goto_receiver): Likewise.
* cfgexpand.c (get_decl_align_unit): Estimate stack variable
alignment and store to stack_alignment_estimated and
max_used_stack_slot_alignment.
(expand_one_var): Likewise.
(expand_stack_alignment): New function.
(tree_expand_cfg): Initialize max_used_stack_slot_alignment
and stack_alignment_estimated fields in rtl_data. Call
expand_stack_alignment at end.
* defaults.h (INCOMING_STACK_BOUNDARY): New.
(MAX_STACK_ALIGNMENT): Likewise.
(MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
(SUPPORTS_STACK_ALIGNMENT): Likewise.
* emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
stack alignment when generating virtual registers.
* function.c (assign_stack_local): Renamed to ...
(assign_stack_local_1): This. Add a parameter to indicate
if it is OK to reduce alignment.
(assign_stack_local): Use it.
(instantiate_new_reg): Instantiate virtual incoming args rtx
to vDRAP if stack realignment and DRAP is needed.
(assign_parms): Collect parameter/return type alignment and
contribute to stack_alignment_estimated.
(locate_and_pad_parm): Likewise.
(get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
with crtl->args.internal_arg_pointer.
* function.h (rtl_data): Add new field drap_reg,
max_used_stack_slot_alignment, stack_alignment_estimated,
stack_realign_needed, need_drap, stack_realign_processed and
stack_realign_finalized.
(stack_realign_fp): New macro.
(stack_realign_drap): Likewise.
* global.c (compute_regsets): Frame pointer is needed when
stack is realigned. Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* reload1.c (update_eliminables): Frame pointer is needed
when stack is realigned.
(init_elim_table): Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* rtl.h (assign_stack_local_1): Declare new funtion.
* target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
(TARGET_GET_DRAP_RTX): Likewise.
(TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
TARGET_GET_DRAP_RTX.
* target.h (gcc_target): Add update_stack_boundary and
get_drap_rtx.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
2008-07-30 Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
vdrap_reg, stack_realign and drap_reg_saved.
(add_cfi): Don't allow redefining CFA when DRAP is used.
(reg_save): Handle stack alignment.
(dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
alignment. Don't generate DWARF information for (set fp sp)
when DRAP is used.
(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
to INVALID_REGNUM.
(int_loc_descriptor): Move prototype forward. Also define if
DWARF2_UNWIND_INFO is true.
(output_cfa_loc): Handle DW_CFA_expression.
(build_cfa_aligned_loc): New.
(based_loc_descr): Update assert for stack realign. For local
variables, use sp+offset when stack is aligned without drap and
fp+offset when stack is aligned with drap. For arguments, use
cfa+offset when drap is used to align stack.
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_force_align_arg_pointer_string):
Break long line.
(ix86_gen_andsp): New.
(ix86_user_incoming_stack_boundary): Likewise.
(ix86_default_incoming_stack_boundary): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(ix86_can_eliminate): Likewise.
(find_drap_reg): Likewise.
(ix86_update_stack_boundary): Likewise.
(ix86_get_drap_rtx): Likewise.
(ix86_finalize_stack_realign_flags): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): Likewise.
(TARGET_GET_DRAP_RTX): Likewise.
(override_options): Overide option value for new options.
(ix86_function_ok_for_sibcall): Remove check for
force_align_arg_pointer.
(ix86_handle_cconv_attribute): Likewise.
(ix86_function_regparm): Likewise.
(setup_incoming_varargs_64): Don't set stack_alignment_needed
here.
(ix86_va_start): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
(ix86_select_alt_pic_regnum): Check DRAP register.
(ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
(ix86_compute_frame_layout): Compute frame layout wrt stack
realignment.
(ix86_internal_arg_pointer): Just return
virtual_incoming_args_rtx.
(ix86_expand_prologue): Decide if stack realignment is needed
and generate prologue code accordingly.
(ix86_expand_epilogue): Generate epilogue code wrt stack
realignment is really needed or not.
* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
(ABI_STACK_BOUNDARY): Likewise.
(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
(STACK_REALIGN_DEFAULT): Likewise.
(INCOMING_STACK_BOUNDARY): Likewise.
(MAX_STACK_ALIGNMENT): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
(REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
(CAN_ELIMINATE): Defined with ix86_can_eliminate.
(machine_function): Remove force_align_arg_pointer.
* config/i386/i386.md (BX_REG): New.
(R13_REG): Likewise.
* config/i386/i386.opt (mforce_drap): New.
(mincoming-stack-boundary): Likewise.
(mstackrealign): Add Init(-1).
* config/i386/i386-protos.h (ix86_can_eliminate): New
2008-07-30 H.J. Lu <hongjiu.lu@intel.com>
* doc/extend.texi: Update force_align_arg_pointer.
* doc/invoke.texi: Document -mincoming-stack-boundary. Update
-mstackrealign.
* doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
(INCOMING_STACK_BOUNDARY): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): New target hook.
(TARGET_GET_DRAP_RTX): Likewise.
From-SVN: r138335
2008-07-30 21:20:43 +02:00
|
|
|
|
|
|
|
if (align > MAX_SUPPORTED_STACK_ALIGNMENT)
|
|
|
|
align = MAX_SUPPORTED_STACK_ALIGNMENT;
|
|
|
|
|
|
|
|
if (SUPPORTS_STACK_ALIGNMENT)
|
|
|
|
{
|
|
|
|
if (crtl->stack_alignment_estimated < align)
|
|
|
|
{
|
|
|
|
gcc_assert(!crtl->stack_realign_processed);
|
|
|
|
crtl->stack_alignment_estimated = align;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* stack_alignment_needed > PREFERRED_STACK_BOUNDARY is permitted.
|
|
|
|
So here we only make sure stack_alignment_needed >= align. */
|
except.c (dw2_size_of_call_site_table, [...]): Use vector API for call_site_record.
* except.c (dw2_size_of_call_site_table,
sjlj_size_of_call_site_table): Use vector API for call_site_record.
* cgraphbuild.c (build_cgraph_edges): Update.
* tree-pass.h: Update comment.
* final.c (leaf_function_p): Update.
(leaf_renumber_regs): Update.
(rest_of_clean_state): Update.
* omp-low.c (expand_omp_parallel): Update.
* ipa-reference.c (analyze_function): Update.
* reorg.c (find_end_label): Update.
(optimize_skip): Update.
(fill_simple_delay_slots): Update.
(fill_simple_delay_slots): Update.
(make_return_insns): Update.
(dbr_schedule): Update.
* gimple-low.c (record_vars_into): Update.
* cfgbuild.c (make_edges): Update.
* function.c (assign_stack_local): Update.
(assign_parm_adjust_stack_rtl): Update.
(locate_and_pad_parm): Update.
(allocate_struct_function): Do not initialize stack_alignment_needed
and preferred_stack_boundary here.
(stack_protect_prologue): Update.
(stack_protect_epilogue): Update.
(expand_function_start): Initialize stack_alignment_needed,
preferred_stack_boundary and max_jumptable_ents.
(expand_function_end): Update.
(free_after_compilation): Do not NULLify epilogue_delay_list.
* function.h (struct rtl_data): Add stack_protect_guard,
stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list.
(struct function): Remove value_histograms, stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
last_label_uid,
unexpanded_var_list, stack_protect_guard.
(current_function_epilogue_delay_list): Remove.
* ipa-type-escape.c (analyze_function): Update.
* gimplify.c (pop_gimplify_context): Update comment.
* calls.c (expand_call): Update.
(emit_library_call_value_1): Update.
* except.c (set_nothrow_function_flags): Update.
* cfgexpand.c (get_decl_align_unit): Update.
(create_stack_guard): Update.
(estimated_stack_frame_size): Update.
(expand_used_vars): Update.
(tree_expand_cfg): Free histogram earliers, init expansion variables.
* explow.c (allocate_dynamic_stack_space): Update.
* tree-ssa-live.c (remove_unused_locals): Update.
* varasm.c (mark_constant_pool): Update.
* tree-inline.c (remap_decls): Update.
(initialize_cfun): Update.
(declare_return_variable): Update.
(inline_forbidden_p): Update.
(expand_call_inline): Update.
(declare_inline_vars): Update.
(tree_function_versioning): Update.
* tree-flow.h (value_histograms): New.
(VALUE_HISTOGRAMS): New macro.
* basic-block.h (control_flow_graph): Add max_jumptable_ents,
last_label_uid.
* tree-cfg.c (set_bb_for_stmt): Update.
(replace_by_duplicate_decl): Update.
(move_block_to_fn): Update.
(new_label_mapper): Update.
(dump_function_to_file): Update.
* ipa-struct-reorg.c (build_data_structure): Update.
* cfgrtl.c (print_rtl_with_bb): Update.
* reload1.c (reload): Update.
(reload): Update.
* config/i386/i386.c (setup_incoming_varargs_64,
ix86_compute_frame_layout): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
From-SVN: r134425
2008-04-18 07:26:12 +02:00
|
|
|
if (crtl->stack_alignment_needed < align)
|
|
|
|
crtl->stack_alignment_needed = align;
|
2009-06-12 14:54:30 +02:00
|
|
|
if (crtl->max_used_stack_slot_alignment < align)
|
|
|
|
crtl->max_used_stack_slot_alignment = align;
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
|
|
|
return align / BITS_PER_UNIT;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Allocate SIZE bytes at byte alignment ALIGN from the stack frame.
|
|
|
|
Return the frame offset. */
|
|
|
|
|
|
|
|
static HOST_WIDE_INT
|
|
|
|
alloc_stack_frame_space (HOST_WIDE_INT size, HOST_WIDE_INT align)
|
|
|
|
{
|
|
|
|
HOST_WIDE_INT offset, new_frame_offset;
|
|
|
|
|
|
|
|
new_frame_offset = frame_offset;
|
|
|
|
if (FRAME_GROWS_DOWNWARD)
|
|
|
|
{
|
|
|
|
new_frame_offset -= size + frame_phase;
|
|
|
|
new_frame_offset &= -align;
|
|
|
|
new_frame_offset += frame_phase;
|
|
|
|
offset = new_frame_offset;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
new_frame_offset -= frame_phase;
|
|
|
|
new_frame_offset += align - 1;
|
|
|
|
new_frame_offset &= -align;
|
|
|
|
new_frame_offset += frame_phase;
|
|
|
|
offset = new_frame_offset;
|
|
|
|
new_frame_offset += size;
|
|
|
|
}
|
|
|
|
frame_offset = new_frame_offset;
|
|
|
|
|
2006-03-11 15:52:57 +01:00
|
|
|
if (frame_offset_overflow (frame_offset, cfun->decl))
|
|
|
|
frame_offset = offset = 0;
|
|
|
|
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Accumulate DECL into STACK_VARS. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
add_stack_var (tree decl)
|
|
|
|
{
|
|
|
|
if (stack_vars_num >= stack_vars_alloc)
|
|
|
|
{
|
|
|
|
if (stack_vars_alloc)
|
|
|
|
stack_vars_alloc = stack_vars_alloc * 3 / 2;
|
|
|
|
else
|
|
|
|
stack_vars_alloc = 32;
|
|
|
|
stack_vars
|
|
|
|
= XRESIZEVEC (struct stack_var, stack_vars, stack_vars_alloc);
|
|
|
|
}
|
|
|
|
stack_vars[stack_vars_num].decl = decl;
|
|
|
|
stack_vars[stack_vars_num].offset = 0;
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
stack_vars[stack_vars_num].size = tree_low_cst (DECL_SIZE_UNIT (SSAVAR (decl)), 1);
|
|
|
|
stack_vars[stack_vars_num].alignb = get_decl_align_unit (SSAVAR (decl));
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
|
|
|
/* All variables are initially in their own partition. */
|
|
|
|
stack_vars[stack_vars_num].representative = stack_vars_num;
|
|
|
|
stack_vars[stack_vars_num].next = EOC;
|
|
|
|
|
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|
|
/* Ensure that this decl doesn't get put onto the list twice. */
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
set_rtl (decl, pc_rtx);
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
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stack_vars_num++;
|
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|
}
|
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|
|
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|
/* Compute the linear index of a lower-triangular coordinate (I, J). */
|
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static size_t
|
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triangular_index (size_t i, size_t j)
|
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{
|
|
|
|
if (i < j)
|
|
|
|
{
|
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|
size_t t;
|
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|
|
t = i, i = j, j = t;
|
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|
}
|
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|
return (i * (i + 1)) / 2 + j;
|
|
|
|
}
|
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/* Ensure that STACK_VARS_CONFLICT is large enough for N objects. */
|
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static void
|
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resize_stack_vars_conflict (size_t n)
|
|
|
|
{
|
|
|
|
size_t size = triangular_index (n-1, n-1) + 1;
|
|
|
|
|
|
|
|
if (size <= stack_vars_conflict_alloc)
|
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return;
|
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|
|
|
|
|
stack_vars_conflict = XRESIZEVEC (bool, stack_vars_conflict, size);
|
|
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|
memset (stack_vars_conflict + stack_vars_conflict_alloc, 0,
|
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|
|
(size - stack_vars_conflict_alloc) * sizeof (bool));
|
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|
stack_vars_conflict_alloc = size;
|
|
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|
}
|
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/* Make the decls associated with luid's X and Y conflict. */
|
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static void
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add_stack_var_conflict (size_t x, size_t y)
|
|
|
|
{
|
|
|
|
size_t index = triangular_index (x, y);
|
|
|
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gcc_assert (index < stack_vars_conflict_alloc);
|
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stack_vars_conflict[index] = true;
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}
|
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/* Check whether the decls associated with luid's X and Y conflict. */
|
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static bool
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stack_var_conflict_p (size_t x, size_t y)
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{
|
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|
size_t index = triangular_index (x, y);
|
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gcc_assert (index < stack_vars_conflict_alloc);
|
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return stack_vars_conflict[index];
|
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}
|
2006-01-23 10:47:01 +01:00
|
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|
|
|
|
/* Returns true if TYPE is or contains a union type. */
|
|
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|
|
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|
static bool
|
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|
|
aggregate_contains_union_type (tree type)
|
|
|
|
{
|
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|
tree field;
|
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|
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|
|
|
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if (TREE_CODE (type) == UNION_TYPE
|
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|
|| TREE_CODE (type) == QUAL_UNION_TYPE)
|
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|
return true;
|
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|
|
if (TREE_CODE (type) == ARRAY_TYPE)
|
|
|
|
return aggregate_contains_union_type (TREE_TYPE (type));
|
|
|
|
if (TREE_CODE (type) != RECORD_TYPE)
|
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|
return false;
|
|
|
|
|
|
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|
for (field = TYPE_FIELDS (type); field; field = TREE_CHAIN (field))
|
|
|
|
if (TREE_CODE (field) == FIELD_DECL)
|
|
|
|
if (aggregate_contains_union_type (TREE_TYPE (field)))
|
|
|
|
return true;
|
|
|
|
|
|
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return false;
|
|
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|
}
|
|
|
|
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
/* A subroutine of expand_used_vars. If two variables X and Y have alias
|
|
|
|
sets that do not conflict, then do add a conflict for these variables
|
2006-01-23 10:47:01 +01:00
|
|
|
in the interference graph. We also need to make sure to add conflicts
|
|
|
|
for union containing structures. Else RTL alias analysis comes along
|
|
|
|
and due to type based aliasing rules decides that for two overlapping
|
|
|
|
union temporaries { short s; int i; } accesses to the same mem through
|
|
|
|
different types may not alias and happily reorders stores across
|
|
|
|
life-time boundaries of the temporaries (See PR25654).
|
|
|
|
We also have to mind MEM_IN_STRUCT_P and MEM_SCALAR_P. */
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
|
|
|
static void
|
|
|
|
add_alias_set_conflicts (void)
|
|
|
|
{
|
|
|
|
size_t i, j, n = stack_vars_num;
|
|
|
|
|
|
|
|
for (i = 0; i < n; ++i)
|
|
|
|
{
|
2005-10-12 18:29:35 +02:00
|
|
|
tree type_i = TREE_TYPE (stack_vars[i].decl);
|
|
|
|
bool aggr_i = AGGREGATE_TYPE_P (type_i);
|
2006-01-23 10:47:01 +01:00
|
|
|
bool contains_union;
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
2006-01-23 10:47:01 +01:00
|
|
|
contains_union = aggregate_contains_union_type (type_i);
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
for (j = 0; j < i; ++j)
|
|
|
|
{
|
2005-10-12 18:29:35 +02:00
|
|
|
tree type_j = TREE_TYPE (stack_vars[j].decl);
|
|
|
|
bool aggr_j = AGGREGATE_TYPE_P (type_j);
|
2006-01-23 10:47:01 +01:00
|
|
|
if (aggr_i != aggr_j
|
|
|
|
/* Either the objects conflict by means of type based
|
|
|
|
aliasing rules, or we need to add a conflict. */
|
|
|
|
|| !objects_must_conflict_p (type_i, type_j)
|
|
|
|
/* In case the types do not conflict ensure that access
|
|
|
|
to elements will conflict. In case of unions we have
|
|
|
|
to be careful as type based aliasing rules may say
|
|
|
|
access to the same memory does not conflict. So play
|
|
|
|
safe and add a conflict in this case. */
|
|
|
|
|| contains_union)
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
add_stack_var_conflict (i, j);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* A subroutine of partition_stack_vars. A comparison function for qsort,
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
sorting an array of indices by the size and type of the object. */
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
|
|
|
static int
|
|
|
|
stack_var_size_cmp (const void *a, const void *b)
|
|
|
|
{
|
|
|
|
HOST_WIDE_INT sa = stack_vars[*(const size_t *)a].size;
|
|
|
|
HOST_WIDE_INT sb = stack_vars[*(const size_t *)b].size;
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
tree decla, declb;
|
|
|
|
unsigned int uida, uidb;
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
|
|
|
if (sa < sb)
|
|
|
|
return -1;
|
|
|
|
if (sa > sb)
|
|
|
|
return 1;
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
decla = stack_vars[*(const size_t *)a].decl;
|
|
|
|
declb = stack_vars[*(const size_t *)b].decl;
|
|
|
|
/* For stack variables of the same size use and id of the decls
|
|
|
|
to make the sort stable. Two SSA names are compared by their
|
|
|
|
version, SSA names come before non-SSA names, and two normal
|
|
|
|
decls are compared by their DECL_UID. */
|
|
|
|
if (TREE_CODE (decla) == SSA_NAME)
|
|
|
|
{
|
|
|
|
if (TREE_CODE (declb) == SSA_NAME)
|
|
|
|
uida = SSA_NAME_VERSION (decla), uidb = SSA_NAME_VERSION (declb);
|
|
|
|
else
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
else if (TREE_CODE (declb) == SSA_NAME)
|
|
|
|
return 1;
|
|
|
|
else
|
|
|
|
uida = DECL_UID (decla), uidb = DECL_UID (declb);
|
2006-09-22 17:43:27 +02:00
|
|
|
if (uida < uidb)
|
|
|
|
return -1;
|
|
|
|
if (uida > uidb)
|
|
|
|
return 1;
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-07-14 11:59:18 +02:00
|
|
|
|
|
|
|
/* If the points-to solution *PI points to variables that are in a partition
|
|
|
|
together with other variables add all partition members to the pointed-to
|
|
|
|
variables bitmap. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
add_partitioned_vars_to_ptset (struct pt_solution *pt,
|
|
|
|
struct pointer_map_t *decls_to_partitions,
|
|
|
|
struct pointer_set_t *visited, bitmap temp)
|
|
|
|
{
|
|
|
|
bitmap_iterator bi;
|
|
|
|
unsigned i;
|
|
|
|
bitmap *part;
|
|
|
|
|
|
|
|
if (pt->anything
|
|
|
|
|| pt->vars == NULL
|
|
|
|
/* The pointed-to vars bitmap is shared, it is enough to
|
|
|
|
visit it once. */
|
|
|
|
|| pointer_set_insert(visited, pt->vars))
|
|
|
|
return;
|
|
|
|
|
|
|
|
bitmap_clear (temp);
|
|
|
|
|
|
|
|
/* By using a temporary bitmap to store all members of the partitions
|
|
|
|
we have to add we make sure to visit each of the partitions only
|
|
|
|
once. */
|
|
|
|
EXECUTE_IF_SET_IN_BITMAP (pt->vars, 0, i, bi)
|
|
|
|
if ((!temp
|
|
|
|
|| !bitmap_bit_p (temp, i))
|
|
|
|
&& (part = (bitmap *) pointer_map_contains (decls_to_partitions,
|
|
|
|
(void *)(size_t) i)))
|
|
|
|
bitmap_ior_into (temp, *part);
|
|
|
|
if (!bitmap_empty_p (temp))
|
|
|
|
bitmap_ior_into (pt->vars, temp);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Update points-to sets based on partition info, so we can use them on RTL.
|
|
|
|
The bitmaps representing stack partitions will be saved until expand,
|
|
|
|
where partitioned decls used as bases in memory expressions will be
|
|
|
|
rewritten. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
update_alias_info_with_stack_vars (void)
|
|
|
|
{
|
|
|
|
struct pointer_map_t *decls_to_partitions = NULL;
|
|
|
|
size_t i, j;
|
|
|
|
tree var = NULL_TREE;
|
|
|
|
|
|
|
|
for (i = 0; i < stack_vars_num; i++)
|
|
|
|
{
|
|
|
|
bitmap part = NULL;
|
|
|
|
tree name;
|
|
|
|
struct ptr_info_def *pi;
|
|
|
|
|
|
|
|
/* Not interested in partitions with single variable. */
|
|
|
|
if (stack_vars[i].representative != i
|
|
|
|
|| stack_vars[i].next == EOC)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (!decls_to_partitions)
|
|
|
|
{
|
|
|
|
decls_to_partitions = pointer_map_create ();
|
|
|
|
cfun->gimple_df->decls_to_pointers = pointer_map_create ();
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Create an SSA_NAME that points to the partition for use
|
|
|
|
as base during alias-oracle queries on RTL for bases that
|
|
|
|
have been partitioned. */
|
|
|
|
if (var == NULL_TREE)
|
|
|
|
var = create_tmp_var (ptr_type_node, NULL);
|
|
|
|
name = make_ssa_name (var, NULL);
|
|
|
|
|
|
|
|
/* Create bitmaps representing partitions. They will be used for
|
|
|
|
points-to sets later, so use GGC alloc. */
|
|
|
|
part = BITMAP_GGC_ALLOC ();
|
|
|
|
for (j = i; j != EOC; j = stack_vars[j].next)
|
|
|
|
{
|
|
|
|
tree decl = stack_vars[j].decl;
|
|
|
|
unsigned int uid = DECL_UID (decl);
|
|
|
|
/* We should never end up partitioning SSA names (though they
|
|
|
|
may end up on the stack). Neither should we allocate stack
|
|
|
|
space to something that is unused and thus unreferenced. */
|
|
|
|
gcc_assert (DECL_P (decl)
|
|
|
|
&& referenced_var_lookup (uid));
|
|
|
|
bitmap_set_bit (part, uid);
|
|
|
|
*((bitmap *) pointer_map_insert (decls_to_partitions,
|
|
|
|
(void *)(size_t) uid)) = part;
|
|
|
|
*((tree *) pointer_map_insert (cfun->gimple_df->decls_to_pointers,
|
|
|
|
decl)) = name;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Make the SSA name point to all partition members. */
|
|
|
|
pi = get_ptr_info (name);
|
|
|
|
pt_solution_set (&pi->pt, part);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Make all points-to sets that contain one member of a partition
|
|
|
|
contain all members of the partition. */
|
|
|
|
if (decls_to_partitions)
|
|
|
|
{
|
|
|
|
unsigned i;
|
|
|
|
struct pointer_set_t *visited = pointer_set_create ();
|
|
|
|
bitmap temp = BITMAP_ALLOC (NULL);
|
|
|
|
|
|
|
|
for (i = 1; i < num_ssa_names; i++)
|
|
|
|
{
|
|
|
|
tree name = ssa_name (i);
|
|
|
|
struct ptr_info_def *pi;
|
|
|
|
|
|
|
|
if (name
|
|
|
|
&& POINTER_TYPE_P (TREE_TYPE (name))
|
|
|
|
&& ((pi = SSA_NAME_PTR_INFO (name)) != NULL))
|
|
|
|
add_partitioned_vars_to_ptset (&pi->pt, decls_to_partitions,
|
|
|
|
visited, temp);
|
|
|
|
}
|
|
|
|
|
|
|
|
add_partitioned_vars_to_ptset (&cfun->gimple_df->escaped,
|
|
|
|
decls_to_partitions, visited, temp);
|
|
|
|
add_partitioned_vars_to_ptset (&cfun->gimple_df->callused,
|
|
|
|
decls_to_partitions, visited, temp);
|
|
|
|
|
|
|
|
pointer_set_destroy (visited);
|
|
|
|
pointer_map_destroy (decls_to_partitions);
|
|
|
|
BITMAP_FREE (temp);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
/* A subroutine of partition_stack_vars. The UNION portion of a UNION/FIND
|
|
|
|
partitioning algorithm. Partitions A and B are known to be non-conflicting.
|
|
|
|
Merge them into a single partition A.
|
|
|
|
|
|
|
|
At the same time, add OFFSET to all variables in partition B. At the end
|
|
|
|
of the partitioning process we've have a nice block easy to lay out within
|
|
|
|
the stack frame. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
union_stack_vars (size_t a, size_t b, HOST_WIDE_INT offset)
|
|
|
|
{
|
|
|
|
size_t i, last;
|
|
|
|
|
|
|
|
/* Update each element of partition B with the given offset,
|
|
|
|
and merge them into partition A. */
|
|
|
|
for (last = i = b; i != EOC; last = i, i = stack_vars[i].next)
|
|
|
|
{
|
|
|
|
stack_vars[i].offset += offset;
|
|
|
|
stack_vars[i].representative = a;
|
|
|
|
}
|
|
|
|
stack_vars[last].next = stack_vars[a].next;
|
|
|
|
stack_vars[a].next = b;
|
|
|
|
|
|
|
|
/* Update the required alignment of partition A to account for B. */
|
|
|
|
if (stack_vars[a].alignb < stack_vars[b].alignb)
|
|
|
|
stack_vars[a].alignb = stack_vars[b].alignb;
|
|
|
|
|
|
|
|
/* Update the interference graph and merge the conflicts. */
|
|
|
|
for (last = stack_vars_num, i = 0; i < last; ++i)
|
|
|
|
if (stack_var_conflict_p (b, i))
|
|
|
|
add_stack_var_conflict (a, i);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* A subroutine of expand_used_vars. Binpack the variables into
|
|
|
|
partitions constrained by the interference graph. The overall
|
|
|
|
algorithm used is as follows:
|
|
|
|
|
|
|
|
Sort the objects by size.
|
|
|
|
For each object A {
|
|
|
|
S = size(A)
|
|
|
|
O = 0
|
|
|
|
loop {
|
|
|
|
Look for the largest non-conflicting object B with size <= S.
|
|
|
|
UNION (A, B)
|
|
|
|
offset(B) = O
|
|
|
|
O += size(B)
|
|
|
|
S -= size(B)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
|
|
|
partition_stack_vars (void)
|
|
|
|
{
|
|
|
|
size_t si, sj, n = stack_vars_num;
|
|
|
|
|
|
|
|
stack_vars_sorted = XNEWVEC (size_t, stack_vars_num);
|
|
|
|
for (si = 0; si < n; ++si)
|
|
|
|
stack_vars_sorted[si] = si;
|
|
|
|
|
|
|
|
if (n == 1)
|
|
|
|
return;
|
|
|
|
|
|
|
|
qsort (stack_vars_sorted, n, sizeof (size_t), stack_var_size_cmp);
|
|
|
|
|
|
|
|
/* Special case: detect when all variables conflict, and thus we can't
|
|
|
|
do anything during the partitioning loop. It isn't uncommon (with
|
|
|
|
C code at least) to declare all variables at the top of the function,
|
|
|
|
and if we're not inlining, then all variables will be in the same scope.
|
|
|
|
Take advantage of very fast libc routines for this scan. */
|
|
|
|
gcc_assert (sizeof(bool) == sizeof(char));
|
|
|
|
if (memchr (stack_vars_conflict, false, stack_vars_conflict_alloc) == NULL)
|
|
|
|
return;
|
|
|
|
|
|
|
|
for (si = 0; si < n; ++si)
|
|
|
|
{
|
|
|
|
size_t i = stack_vars_sorted[si];
|
|
|
|
HOST_WIDE_INT isize = stack_vars[i].size;
|
|
|
|
HOST_WIDE_INT offset = 0;
|
|
|
|
|
|
|
|
for (sj = si; sj-- > 0; )
|
|
|
|
{
|
|
|
|
size_t j = stack_vars_sorted[sj];
|
|
|
|
HOST_WIDE_INT jsize = stack_vars[j].size;
|
|
|
|
unsigned int jalign = stack_vars[j].alignb;
|
|
|
|
|
|
|
|
/* Ignore objects that aren't partition representatives. */
|
|
|
|
if (stack_vars[j].representative != j)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* Ignore objects too large for the remaining space. */
|
|
|
|
if (isize < jsize)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* Ignore conflicting objects. */
|
|
|
|
if (stack_var_conflict_p (i, j))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* Refine the remaining space check to include alignment. */
|
|
|
|
if (offset & (jalign - 1))
|
|
|
|
{
|
|
|
|
HOST_WIDE_INT toff = offset;
|
|
|
|
toff += jalign - 1;
|
|
|
|
toff &= -(HOST_WIDE_INT)jalign;
|
|
|
|
if (isize - (toff - offset) < jsize)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
isize -= toff - offset;
|
|
|
|
offset = toff;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* UNION the objects, placing J at OFFSET. */
|
|
|
|
union_stack_vars (i, j, offset);
|
|
|
|
|
|
|
|
isize -= jsize;
|
|
|
|
if (isize == 0)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2009-07-14 11:59:18 +02:00
|
|
|
|
2009-07-14 16:08:09 +02:00
|
|
|
if (optimize)
|
|
|
|
update_alias_info_with_stack_vars ();
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* A debugging aid for expand_used_vars. Dump the generated partitions. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
dump_stack_var_partition (void)
|
|
|
|
{
|
|
|
|
size_t si, i, j, n = stack_vars_num;
|
|
|
|
|
|
|
|
for (si = 0; si < n; ++si)
|
|
|
|
{
|
|
|
|
i = stack_vars_sorted[si];
|
|
|
|
|
|
|
|
/* Skip variables that aren't partition representatives, for now. */
|
|
|
|
if (stack_vars[i].representative != i)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
fprintf (dump_file, "Partition %lu: size " HOST_WIDE_INT_PRINT_DEC
|
|
|
|
" align %u\n", (unsigned long) i, stack_vars[i].size,
|
|
|
|
stack_vars[i].alignb);
|
|
|
|
|
|
|
|
for (j = i; j != EOC; j = stack_vars[j].next)
|
|
|
|
{
|
|
|
|
fputc ('\t', dump_file);
|
|
|
|
print_generic_expr (dump_file, stack_vars[j].decl, dump_flags);
|
|
|
|
fprintf (dump_file, ", offset " HOST_WIDE_INT_PRINT_DEC "\n",
|
2007-09-20 00:16:22 +02:00
|
|
|
stack_vars[j].offset);
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Assign rtl to DECL at frame offset OFFSET. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
expand_one_stack_var_at (tree decl, HOST_WIDE_INT offset)
|
|
|
|
{
|
2009-03-27 23:37:39 +01:00
|
|
|
/* Alignment is unsigned. */
|
|
|
|
unsigned HOST_WIDE_INT align;
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
rtx x;
|
2006-05-19 00:16:23 +02:00
|
|
|
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
/* If this fails, we've overflowed the stack frame. Error nicely? */
|
|
|
|
gcc_assert (offset == trunc_int_for_mode (offset, Pmode));
|
|
|
|
|
|
|
|
x = plus_constant (virtual_stack_vars_rtx, offset);
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
x = gen_rtx_MEM (DECL_MODE (SSAVAR (decl)), x);
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
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|
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|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
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if (TREE_CODE (decl) != SSA_NAME)
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{
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/* Set alignment we actually gave this decl if it isn't an SSA name.
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If it is we generate stack slots only accidentally so it isn't as
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important, we'll simply use the alignment that is already set. */
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offset -= frame_phase;
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align = offset & -offset;
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align *= BITS_PER_UNIT;
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if (align == 0)
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align = STACK_BOUNDARY;
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else if (align > MAX_SUPPORTED_STACK_ALIGNMENT)
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align = MAX_SUPPORTED_STACK_ALIGNMENT;
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DECL_ALIGN (decl) = align;
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DECL_USER_ALIGN (decl) = 0;
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}
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set_mem_attributes (x, SSAVAR (decl), true);
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set_rtl (decl, x);
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re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
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}
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/* A subroutine of expand_used_vars. Give each partition representative
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a unique location within the stack frame. Update each partition member
|
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with that location. */
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static void
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c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
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expand_stack_vars (bool (*pred) (tree))
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re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
{
|
|
|
|
size_t si, i, j, n = stack_vars_num;
|
|
|
|
|
|
|
|
for (si = 0; si < n; ++si)
|
|
|
|
{
|
|
|
|
HOST_WIDE_INT offset;
|
|
|
|
|
|
|
|
i = stack_vars_sorted[si];
|
|
|
|
|
|
|
|
/* Skip variables that aren't partition representatives, for now. */
|
|
|
|
if (stack_vars[i].representative != i)
|
|
|
|
continue;
|
|
|
|
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
/* Skip variables that have already had rtl assigned. See also
|
|
|
|
add_stack_var where we perpetrate this pc_rtx hack. */
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
if ((TREE_CODE (stack_vars[i].decl) == SSA_NAME
|
|
|
|
? SA.partition_to_pseudo[var_to_partition (SA.map, stack_vars[i].decl)]
|
|
|
|
: DECL_RTL (stack_vars[i].decl)) != pc_rtx)
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
continue;
|
|
|
|
|
2006-05-19 00:16:23 +02:00
|
|
|
/* Check the predicate to see whether this variable should be
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
allocated in this pass. */
|
|
|
|
if (pred && !pred (stack_vars[i].decl))
|
|
|
|
continue;
|
|
|
|
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
offset = alloc_stack_frame_space (stack_vars[i].size,
|
|
|
|
stack_vars[i].alignb);
|
|
|
|
|
|
|
|
/* Create rtl for each variable based on their location within the
|
|
|
|
partition. */
|
|
|
|
for (j = i; j != EOC; j = stack_vars[j].next)
|
2007-10-17 23:12:50 +02:00
|
|
|
{
|
|
|
|
gcc_assert (stack_vars[j].offset <= stack_vars[i].size);
|
|
|
|
expand_one_stack_var_at (stack_vars[j].decl,
|
|
|
|
stack_vars[j].offset + offset);
|
|
|
|
}
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-11-28 11:53:16 +01:00
|
|
|
/* Take into account all sizes of partitions and reset DECL_RTLs. */
|
|
|
|
static HOST_WIDE_INT
|
|
|
|
account_stack_vars (void)
|
|
|
|
{
|
|
|
|
size_t si, j, i, n = stack_vars_num;
|
|
|
|
HOST_WIDE_INT size = 0;
|
|
|
|
|
|
|
|
for (si = 0; si < n; ++si)
|
|
|
|
{
|
|
|
|
i = stack_vars_sorted[si];
|
|
|
|
|
|
|
|
/* Skip variables that aren't partition representatives, for now. */
|
|
|
|
if (stack_vars[i].representative != i)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
size += stack_vars[i].size;
|
|
|
|
for (j = i; j != EOC; j = stack_vars[j].next)
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
set_rtl (stack_vars[j].decl, NULL);
|
2006-11-28 11:53:16 +01:00
|
|
|
}
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
/* A subroutine of expand_one_var. Called to immediately assign rtl
|
|
|
|
to a variable to be allocated in the stack frame. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
expand_one_stack_var (tree var)
|
|
|
|
{
|
|
|
|
HOST_WIDE_INT size, offset, align;
|
|
|
|
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
size = tree_low_cst (DECL_SIZE_UNIT (SSAVAR (var)), 1);
|
|
|
|
align = get_decl_align_unit (SSAVAR (var));
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
offset = alloc_stack_frame_space (size, align);
|
|
|
|
|
|
|
|
expand_one_stack_var_at (var, offset);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* A subroutine of expand_one_var. Called to assign rtl to a VAR_DECL
|
|
|
|
that will reside in a hard register. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
expand_one_hard_reg_var (tree var)
|
|
|
|
{
|
|
|
|
rest_of_decl_compilation (var, 0, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* A subroutine of expand_one_var. Called to assign rtl to a VAR_DECL
|
|
|
|
that will reside in a pseudo register. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
expand_one_register_var (tree var)
|
|
|
|
{
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
tree decl = SSAVAR (var);
|
|
|
|
tree type = TREE_TYPE (decl);
|
expr.c (store_constructor): Use promote_decl_mode.
2009-04-17 Paolo Bonzini <bonzini@gnu.org>
* expr.c (store_constructor): Use promote_decl_mode. Remove
now write-only variable unsignedp.
(expand_expr_real_1): Use promote_decl_mode.
* expr.h (promote_function_mode, promote_decl_mode): New.
(promote_mode): Remove last argument.
* function.c (assign_temp): Drop last argument of promote_mode.
(assign_parm_find_data_types): Use promote_function_mode.
(assign_parm_setup_reg): Likewise.
(expand_function_end): Use promote_function_mode.
* calls.c (initialize_argument_information): Use promote_function_mode.
(precompute_arguments): Use promote_mode instead of checking if
only PROMOTE_FUNCTION_MODE is defined.
(expand_call): When making sibcall decisions, use promote_function_mode.
Below, remove an if for targetm.calls.promote_function_return and
and use promote_function_mode.
(emit_library_call_value_1): Use promote_function_mode, fix bug
where promote_mode was passed FOR_CALL == 0 for a return value in an
assertion.
* cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
* explow.c (promote_function_mode, promote_decl_mode): New.
(promote_mode): Keep only the FOR_CALL == 0 case.
* combine.c (setup_incoming_promotion): Remove test of
promote_function_args. Use promote_function_mode.
* stmt.c (expand_value_return): Use promote_decl_mode.
(expand_decl): Use promote_decl_mode.
* expr.c (store_constructor): Use promote_decl_mode. Remove
now write-only variable unsignedp.
(expand_expr_real_1): Use promote_decl_mode.
* expr.h (promote_function_mode, promote_decl_mode): New.
(promote_mode): Remove last argument.
* function.c (assign_temp): Drop last argument of promote_mode.
(assign_parm_find_data_types): Use promote_function_mode.
(assign_parm_setup_reg): Likewise.
(expand_function_end): Use promote_function_mode.
* calls.c (initialize_argument_information): Use promote_function_mode.
(precompute_arguments): Use promote_mode instead of checking if
only PROMOTE_FUNCTION_MODE is defined.
(expand_call): When making sibcall decisions, use promote_function_mode.
Below, remove an if for targetm.calls.promote_function_return and
and use promote_function_mode.
(emit_library_call_value_1): Use promote_function_mode, fix bug
where promote_mode was passed FOR_CALL == 0 for a return value in an
assertion.
* cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
* explow.c (promote_function_mode, promote_decl_mode): New.
(promote_mode): Keep only the FOR_CALL == 0 case.
* combine.c (setup_incoming_promotion): Remove test of
promote_function_args. Use promote_function_mode.
* stmt.c (expand_value_return): Use promote_decl_mode.
(expand_decl): Use promote_decl_mode.
* explow.c (promote_function_mode): Just call the target hook.
* targhooks.c (default_promote_function_mode,
default_promote_function_mode_always_promote): New.
* targhooks.h (default_promote_function_mode,
default_promote_function_mode_always_promote): Declare.
* target.h (promote_function_args, promote_function_return): Remove.
(promote_function_mode): New.
* target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
TARGET_PROMOTE_FUNCTION_RETURN): Remove.
(TARGET_PROMOTE_FUNCTION_MODE): New.
(TARGET_CALLS): Adjust.
* system.h (TARGET_PROMOTE_FUNCTION_ARGS,
TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
* config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
* config/s390/s390.c (s390_promote_function_mode): ... here,
with pointer handling.
(TARGET_PROMOTE_FUNCTION_MODE): Define.
(TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
* config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
* config/sparc/sparc.c (sparc_promote_function_mode): ... here,
with pointer handling.
(TARGET_PROMOTE_FUNCTION_MODE): Define.
(TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
* config/sh/sh-protos.h (sh_promote_function_mode): New.
* config/sh/sh.c (sh_promote_function_mode): New.
(TARGET_PROMOTE_FUNCTION_MODE): Define.
(TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
* config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
* config/cris/cris.c (cris_promote_function_mode): ... here.
(TARGET_PROMOTE_FUNCTION_MODE): Define.
(TARGET_PROMOTE_FUNCTION_ARGS): Remove.
* config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
* config/mmix/mmix.c (mmix_promote_function_mode): ... here.
(TARGET_PROMOTE_FUNCTION_MODE): Define.
(TARGET_PROMOTE_FUNCTION_ARGS): Remove.
* config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
* config/arm/arm.c (arm_promote_function_mode): ... here, without complex
type handling.
(TARGET_PROMOTE_FUNCTION_MODE): Define.
(TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
* config/pa/pa.c (pa_promote_function_mode): New.
(TARGET_PROMOTE_FUNCTION_MODE): Define.
(TARGET_PROMOTE_FUNCTION_RETURN): Remove.
* config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
TARGET_PROMOTE_FUNCTION_RETURN): Remove.
(TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
* config/xtensa/xtensa.c: Likewise.
* config/stormy16/stormy16.c: Likewise.
* config/iq2000/iq2000.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/picochip/picochip.c: Likewise.
* config/arc/arc.c: Likewise.
* config/mcore/mcore.c: Likewise.
* config/score/score.c: Likewise.
* config/mips/mips.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/ia64/ia64.c: Likewise (disabled though).
* config/frv/frv.h: Remove pointless remark.
* doc/tm.texi (PROMOTE_FUNCTION_MODE,
TARGET_PROMOTE_FUNCTION_ARGS,
TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
(TARGET_PROMOTE_FUNCTION_MODE): ... this.
From-SVN: r150336
2009-08-02 00:03:34 +02:00
|
|
|
enum machine_mode reg_mode = promote_decl_mode (decl, NULL);
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
rtx x = gen_reg_rtx (reg_mode);
|
|
|
|
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
set_rtl (var, x);
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
|
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|
/* Note if the object is a user variable. */
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
if (!DECL_ARTIFICIAL (decl))
|
|
|
|
mark_user_reg (x);
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
2007-08-20 02:48:09 +02:00
|
|
|
if (POINTER_TYPE_P (type))
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
mark_reg_pointer (x, TYPE_ALIGN (TREE_TYPE (type)));
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
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}
|
|
|
|
|
|
|
|
/* A subroutine of expand_one_var. Called to assign rtl to a VAR_DECL that
|
2005-05-19 05:05:49 +02:00
|
|
|
has some associated error, e.g. its type is error-mark. We just need
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
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|
to pick something that won't crash the rest of the compiler. */
|
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|
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|
|
static void
|
|
|
|
expand_one_error_var (tree var)
|
|
|
|
{
|
|
|
|
enum machine_mode mode = DECL_MODE (var);
|
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|
|
rtx x;
|
|
|
|
|
|
|
|
if (mode == BLKmode)
|
|
|
|
x = gen_rtx_MEM (BLKmode, const0_rtx);
|
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|
else if (mode == VOIDmode)
|
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x = const0_rtx;
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|
else
|
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|
x = gen_reg_rtx (mode);
|
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SET_DECL_RTL (var, x);
|
|
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|
}
|
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|
|
|
2006-05-19 00:16:23 +02:00
|
|
|
/* A subroutine of expand_one_var. VAR is a variable that will be
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
allocated to the local stack frame. Return true if we wish to
|
|
|
|
add VAR to STACK_VARS so that it will be coalesced with other
|
|
|
|
variables. Return false to allocate VAR immediately.
|
|
|
|
|
|
|
|
This function is used to reduce the number of variables considered
|
|
|
|
for coalescing, which reduces the size of the quadratic problem. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
defer_stack_allocation (tree var, bool toplevel)
|
|
|
|
{
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
/* If stack protection is enabled, *all* stack variables must be deferred,
|
|
|
|
so that we can re-order the strings to the top of the frame. */
|
|
|
|
if (flag_stack_protect)
|
|
|
|
return true;
|
|
|
|
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
/* Variables in the outermost scope automatically conflict with
|
|
|
|
every other variable. The only reason to want to defer them
|
|
|
|
at all is that, after sorting, we can more efficiently pack
|
|
|
|
small variables in the stack frame. Continue to defer at -O2. */
|
|
|
|
if (toplevel && optimize < 2)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
/* Without optimization, *most* variables are allocated from the
|
|
|
|
stack, which makes the quadratic problem large exactly when we
|
2006-05-19 00:16:23 +02:00
|
|
|
want compilation to proceed as quickly as possible. On the
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
other hand, we don't want the function's stack frame size to
|
|
|
|
get completely out of hand. So we avoid adding scalars and
|
|
|
|
"small" aggregates to the list at all. */
|
|
|
|
if (optimize == 0 && tree_low_cst (DECL_SIZE_UNIT (var), 1) < 32)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* A subroutine of expand_used_vars. Expand one variable according to
|
c-common.c, [...]: Fix comment typos.
* c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-niter.c, tree-ssa-operands.c,
tree-ssa-operands.h, tree-ssa-propagate.c,
tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
vec.c, vec.h: Fix comment typos. Follow spelling conventions.
From-SVN: r87104
2004-09-05 17:24:15 +02:00
|
|
|
its flavor. Variables to be placed on the stack are not actually
|
2006-11-28 11:53:16 +01:00
|
|
|
expanded yet, merely recorded.
|
|
|
|
When REALLY_EXPAND is false, only add stack values to be allocated.
|
|
|
|
Return stack usage this variable is supposed to take.
|
|
|
|
*/
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
2006-11-28 11:53:16 +01:00
|
|
|
static HOST_WIDE_INT
|
|
|
|
expand_one_var (tree var, bool toplevel, bool really_expand)
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
{
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
tree origvar = var;
|
|
|
|
var = SSAVAR (var);
|
|
|
|
|
[multiple changes]
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* builtins.c (expand_builtin_setjmp_receiver): Replace
virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
(expand_builtin_apply_args_1): Likewise.
(expand_builtin_longjmp): Need DRAP for stack alignment.
(expand_builtin_apply): Likewise.
* caller-save.c (setup_save_areas): Call assign_stack_local_1
instead of assign_stack_local to allow alignment reduction.
* calls.c (emit_call_1): Need DRAP for stack alignment if
return pops.
(expand_call): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
* stmt.c (expand_nl_goto_receiver): Likewise.
* cfgexpand.c (get_decl_align_unit): Estimate stack variable
alignment and store to stack_alignment_estimated and
max_used_stack_slot_alignment.
(expand_one_var): Likewise.
(expand_stack_alignment): New function.
(tree_expand_cfg): Initialize max_used_stack_slot_alignment
and stack_alignment_estimated fields in rtl_data. Call
expand_stack_alignment at end.
* defaults.h (INCOMING_STACK_BOUNDARY): New.
(MAX_STACK_ALIGNMENT): Likewise.
(MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
(SUPPORTS_STACK_ALIGNMENT): Likewise.
* emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
stack alignment when generating virtual registers.
* function.c (assign_stack_local): Renamed to ...
(assign_stack_local_1): This. Add a parameter to indicate
if it is OK to reduce alignment.
(assign_stack_local): Use it.
(instantiate_new_reg): Instantiate virtual incoming args rtx
to vDRAP if stack realignment and DRAP is needed.
(assign_parms): Collect parameter/return type alignment and
contribute to stack_alignment_estimated.
(locate_and_pad_parm): Likewise.
(get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
with crtl->args.internal_arg_pointer.
* function.h (rtl_data): Add new field drap_reg,
max_used_stack_slot_alignment, stack_alignment_estimated,
stack_realign_needed, need_drap, stack_realign_processed and
stack_realign_finalized.
(stack_realign_fp): New macro.
(stack_realign_drap): Likewise.
* global.c (compute_regsets): Frame pointer is needed when
stack is realigned. Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* reload1.c (update_eliminables): Frame pointer is needed
when stack is realigned.
(init_elim_table): Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* rtl.h (assign_stack_local_1): Declare new funtion.
* target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
(TARGET_GET_DRAP_RTX): Likewise.
(TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
TARGET_GET_DRAP_RTX.
* target.h (gcc_target): Add update_stack_boundary and
get_drap_rtx.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
2008-07-30 Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
vdrap_reg, stack_realign and drap_reg_saved.
(add_cfi): Don't allow redefining CFA when DRAP is used.
(reg_save): Handle stack alignment.
(dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
alignment. Don't generate DWARF information for (set fp sp)
when DRAP is used.
(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
to INVALID_REGNUM.
(int_loc_descriptor): Move prototype forward. Also define if
DWARF2_UNWIND_INFO is true.
(output_cfa_loc): Handle DW_CFA_expression.
(build_cfa_aligned_loc): New.
(based_loc_descr): Update assert for stack realign. For local
variables, use sp+offset when stack is aligned without drap and
fp+offset when stack is aligned with drap. For arguments, use
cfa+offset when drap is used to align stack.
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_force_align_arg_pointer_string):
Break long line.
(ix86_gen_andsp): New.
(ix86_user_incoming_stack_boundary): Likewise.
(ix86_default_incoming_stack_boundary): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(ix86_can_eliminate): Likewise.
(find_drap_reg): Likewise.
(ix86_update_stack_boundary): Likewise.
(ix86_get_drap_rtx): Likewise.
(ix86_finalize_stack_realign_flags): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): Likewise.
(TARGET_GET_DRAP_RTX): Likewise.
(override_options): Overide option value for new options.
(ix86_function_ok_for_sibcall): Remove check for
force_align_arg_pointer.
(ix86_handle_cconv_attribute): Likewise.
(ix86_function_regparm): Likewise.
(setup_incoming_varargs_64): Don't set stack_alignment_needed
here.
(ix86_va_start): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
(ix86_select_alt_pic_regnum): Check DRAP register.
(ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
(ix86_compute_frame_layout): Compute frame layout wrt stack
realignment.
(ix86_internal_arg_pointer): Just return
virtual_incoming_args_rtx.
(ix86_expand_prologue): Decide if stack realignment is needed
and generate prologue code accordingly.
(ix86_expand_epilogue): Generate epilogue code wrt stack
realignment is really needed or not.
* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
(ABI_STACK_BOUNDARY): Likewise.
(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
(STACK_REALIGN_DEFAULT): Likewise.
(INCOMING_STACK_BOUNDARY): Likewise.
(MAX_STACK_ALIGNMENT): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
(REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
(CAN_ELIMINATE): Defined with ix86_can_eliminate.
(machine_function): Remove force_align_arg_pointer.
* config/i386/i386.md (BX_REG): New.
(R13_REG): Likewise.
* config/i386/i386.opt (mforce_drap): New.
(mincoming-stack-boundary): Likewise.
(mstackrealign): Add Init(-1).
* config/i386/i386-protos.h (ix86_can_eliminate): New
2008-07-30 H.J. Lu <hongjiu.lu@intel.com>
* doc/extend.texi: Update force_align_arg_pointer.
* doc/invoke.texi: Document -mincoming-stack-boundary. Update
-mstackrealign.
* doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
(INCOMING_STACK_BOUNDARY): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): New target hook.
(TARGET_GET_DRAP_RTX): Likewise.
From-SVN: r138335
2008-07-30 21:20:43 +02:00
|
|
|
if (SUPPORTS_STACK_ALIGNMENT
|
|
|
|
&& TREE_TYPE (var) != error_mark_node
|
|
|
|
&& TREE_CODE (var) == VAR_DECL)
|
|
|
|
{
|
|
|
|
unsigned int align;
|
|
|
|
|
|
|
|
/* Because we don't know if VAR will be in register or on stack,
|
|
|
|
we conservatively assume it will be on stack even if VAR is
|
|
|
|
eventually put into register after RA pass. For non-automatic
|
|
|
|
variables, which won't be on stack, we collect alignment of
|
|
|
|
type and ignore user specified alignment. */
|
|
|
|
if (TREE_STATIC (var) || DECL_EXTERNAL (var))
|
2009-07-11 19:40:29 +02:00
|
|
|
align = MINIMUM_ALIGNMENT (TREE_TYPE (var),
|
|
|
|
TYPE_MODE (TREE_TYPE (var)),
|
|
|
|
TYPE_ALIGN (TREE_TYPE (var)));
|
[multiple changes]
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* builtins.c (expand_builtin_setjmp_receiver): Replace
virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
(expand_builtin_apply_args_1): Likewise.
(expand_builtin_longjmp): Need DRAP for stack alignment.
(expand_builtin_apply): Likewise.
* caller-save.c (setup_save_areas): Call assign_stack_local_1
instead of assign_stack_local to allow alignment reduction.
* calls.c (emit_call_1): Need DRAP for stack alignment if
return pops.
(expand_call): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
* stmt.c (expand_nl_goto_receiver): Likewise.
* cfgexpand.c (get_decl_align_unit): Estimate stack variable
alignment and store to stack_alignment_estimated and
max_used_stack_slot_alignment.
(expand_one_var): Likewise.
(expand_stack_alignment): New function.
(tree_expand_cfg): Initialize max_used_stack_slot_alignment
and stack_alignment_estimated fields in rtl_data. Call
expand_stack_alignment at end.
* defaults.h (INCOMING_STACK_BOUNDARY): New.
(MAX_STACK_ALIGNMENT): Likewise.
(MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
(SUPPORTS_STACK_ALIGNMENT): Likewise.
* emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
stack alignment when generating virtual registers.
* function.c (assign_stack_local): Renamed to ...
(assign_stack_local_1): This. Add a parameter to indicate
if it is OK to reduce alignment.
(assign_stack_local): Use it.
(instantiate_new_reg): Instantiate virtual incoming args rtx
to vDRAP if stack realignment and DRAP is needed.
(assign_parms): Collect parameter/return type alignment and
contribute to stack_alignment_estimated.
(locate_and_pad_parm): Likewise.
(get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
with crtl->args.internal_arg_pointer.
* function.h (rtl_data): Add new field drap_reg,
max_used_stack_slot_alignment, stack_alignment_estimated,
stack_realign_needed, need_drap, stack_realign_processed and
stack_realign_finalized.
(stack_realign_fp): New macro.
(stack_realign_drap): Likewise.
* global.c (compute_regsets): Frame pointer is needed when
stack is realigned. Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* reload1.c (update_eliminables): Frame pointer is needed
when stack is realigned.
(init_elim_table): Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* rtl.h (assign_stack_local_1): Declare new funtion.
* target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
(TARGET_GET_DRAP_RTX): Likewise.
(TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
TARGET_GET_DRAP_RTX.
* target.h (gcc_target): Add update_stack_boundary and
get_drap_rtx.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
2008-07-30 Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
vdrap_reg, stack_realign and drap_reg_saved.
(add_cfi): Don't allow redefining CFA when DRAP is used.
(reg_save): Handle stack alignment.
(dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
alignment. Don't generate DWARF information for (set fp sp)
when DRAP is used.
(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
to INVALID_REGNUM.
(int_loc_descriptor): Move prototype forward. Also define if
DWARF2_UNWIND_INFO is true.
(output_cfa_loc): Handle DW_CFA_expression.
(build_cfa_aligned_loc): New.
(based_loc_descr): Update assert for stack realign. For local
variables, use sp+offset when stack is aligned without drap and
fp+offset when stack is aligned with drap. For arguments, use
cfa+offset when drap is used to align stack.
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_force_align_arg_pointer_string):
Break long line.
(ix86_gen_andsp): New.
(ix86_user_incoming_stack_boundary): Likewise.
(ix86_default_incoming_stack_boundary): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(ix86_can_eliminate): Likewise.
(find_drap_reg): Likewise.
(ix86_update_stack_boundary): Likewise.
(ix86_get_drap_rtx): Likewise.
(ix86_finalize_stack_realign_flags): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): Likewise.
(TARGET_GET_DRAP_RTX): Likewise.
(override_options): Overide option value for new options.
(ix86_function_ok_for_sibcall): Remove check for
force_align_arg_pointer.
(ix86_handle_cconv_attribute): Likewise.
(ix86_function_regparm): Likewise.
(setup_incoming_varargs_64): Don't set stack_alignment_needed
here.
(ix86_va_start): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
(ix86_select_alt_pic_regnum): Check DRAP register.
(ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
(ix86_compute_frame_layout): Compute frame layout wrt stack
realignment.
(ix86_internal_arg_pointer): Just return
virtual_incoming_args_rtx.
(ix86_expand_prologue): Decide if stack realignment is needed
and generate prologue code accordingly.
(ix86_expand_epilogue): Generate epilogue code wrt stack
realignment is really needed or not.
* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
(ABI_STACK_BOUNDARY): Likewise.
(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
(STACK_REALIGN_DEFAULT): Likewise.
(INCOMING_STACK_BOUNDARY): Likewise.
(MAX_STACK_ALIGNMENT): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
(REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
(CAN_ELIMINATE): Defined with ix86_can_eliminate.
(machine_function): Remove force_align_arg_pointer.
* config/i386/i386.md (BX_REG): New.
(R13_REG): Likewise.
* config/i386/i386.opt (mforce_drap): New.
(mincoming-stack-boundary): Likewise.
(mstackrealign): Add Init(-1).
* config/i386/i386-protos.h (ix86_can_eliminate): New
2008-07-30 H.J. Lu <hongjiu.lu@intel.com>
* doc/extend.texi: Update force_align_arg_pointer.
* doc/invoke.texi: Document -mincoming-stack-boundary. Update
-mstackrealign.
* doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
(INCOMING_STACK_BOUNDARY): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): New target hook.
(TARGET_GET_DRAP_RTX): Likewise.
From-SVN: r138335
2008-07-30 21:20:43 +02:00
|
|
|
else
|
2009-07-11 19:40:29 +02:00
|
|
|
align = MINIMUM_ALIGNMENT (var, DECL_MODE (var), DECL_ALIGN (var));
|
[multiple changes]
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* builtins.c (expand_builtin_setjmp_receiver): Replace
virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
(expand_builtin_apply_args_1): Likewise.
(expand_builtin_longjmp): Need DRAP for stack alignment.
(expand_builtin_apply): Likewise.
* caller-save.c (setup_save_areas): Call assign_stack_local_1
instead of assign_stack_local to allow alignment reduction.
* calls.c (emit_call_1): Need DRAP for stack alignment if
return pops.
(expand_call): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
* stmt.c (expand_nl_goto_receiver): Likewise.
* cfgexpand.c (get_decl_align_unit): Estimate stack variable
alignment and store to stack_alignment_estimated and
max_used_stack_slot_alignment.
(expand_one_var): Likewise.
(expand_stack_alignment): New function.
(tree_expand_cfg): Initialize max_used_stack_slot_alignment
and stack_alignment_estimated fields in rtl_data. Call
expand_stack_alignment at end.
* defaults.h (INCOMING_STACK_BOUNDARY): New.
(MAX_STACK_ALIGNMENT): Likewise.
(MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
(SUPPORTS_STACK_ALIGNMENT): Likewise.
* emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
stack alignment when generating virtual registers.
* function.c (assign_stack_local): Renamed to ...
(assign_stack_local_1): This. Add a parameter to indicate
if it is OK to reduce alignment.
(assign_stack_local): Use it.
(instantiate_new_reg): Instantiate virtual incoming args rtx
to vDRAP if stack realignment and DRAP is needed.
(assign_parms): Collect parameter/return type alignment and
contribute to stack_alignment_estimated.
(locate_and_pad_parm): Likewise.
(get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
with crtl->args.internal_arg_pointer.
* function.h (rtl_data): Add new field drap_reg,
max_used_stack_slot_alignment, stack_alignment_estimated,
stack_realign_needed, need_drap, stack_realign_processed and
stack_realign_finalized.
(stack_realign_fp): New macro.
(stack_realign_drap): Likewise.
* global.c (compute_regsets): Frame pointer is needed when
stack is realigned. Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* reload1.c (update_eliminables): Frame pointer is needed
when stack is realigned.
(init_elim_table): Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* rtl.h (assign_stack_local_1): Declare new funtion.
* target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
(TARGET_GET_DRAP_RTX): Likewise.
(TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
TARGET_GET_DRAP_RTX.
* target.h (gcc_target): Add update_stack_boundary and
get_drap_rtx.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
2008-07-30 Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
vdrap_reg, stack_realign and drap_reg_saved.
(add_cfi): Don't allow redefining CFA when DRAP is used.
(reg_save): Handle stack alignment.
(dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
alignment. Don't generate DWARF information for (set fp sp)
when DRAP is used.
(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
to INVALID_REGNUM.
(int_loc_descriptor): Move prototype forward. Also define if
DWARF2_UNWIND_INFO is true.
(output_cfa_loc): Handle DW_CFA_expression.
(build_cfa_aligned_loc): New.
(based_loc_descr): Update assert for stack realign. For local
variables, use sp+offset when stack is aligned without drap and
fp+offset when stack is aligned with drap. For arguments, use
cfa+offset when drap is used to align stack.
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_force_align_arg_pointer_string):
Break long line.
(ix86_gen_andsp): New.
(ix86_user_incoming_stack_boundary): Likewise.
(ix86_default_incoming_stack_boundary): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(ix86_can_eliminate): Likewise.
(find_drap_reg): Likewise.
(ix86_update_stack_boundary): Likewise.
(ix86_get_drap_rtx): Likewise.
(ix86_finalize_stack_realign_flags): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): Likewise.
(TARGET_GET_DRAP_RTX): Likewise.
(override_options): Overide option value for new options.
(ix86_function_ok_for_sibcall): Remove check for
force_align_arg_pointer.
(ix86_handle_cconv_attribute): Likewise.
(ix86_function_regparm): Likewise.
(setup_incoming_varargs_64): Don't set stack_alignment_needed
here.
(ix86_va_start): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
(ix86_select_alt_pic_regnum): Check DRAP register.
(ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
(ix86_compute_frame_layout): Compute frame layout wrt stack
realignment.
(ix86_internal_arg_pointer): Just return
virtual_incoming_args_rtx.
(ix86_expand_prologue): Decide if stack realignment is needed
and generate prologue code accordingly.
(ix86_expand_epilogue): Generate epilogue code wrt stack
realignment is really needed or not.
* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
(ABI_STACK_BOUNDARY): Likewise.
(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
(STACK_REALIGN_DEFAULT): Likewise.
(INCOMING_STACK_BOUNDARY): Likewise.
(MAX_STACK_ALIGNMENT): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
(REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
(CAN_ELIMINATE): Defined with ix86_can_eliminate.
(machine_function): Remove force_align_arg_pointer.
* config/i386/i386.md (BX_REG): New.
(R13_REG): Likewise.
* config/i386/i386.opt (mforce_drap): New.
(mincoming-stack-boundary): Likewise.
(mstackrealign): Add Init(-1).
* config/i386/i386-protos.h (ix86_can_eliminate): New
2008-07-30 H.J. Lu <hongjiu.lu@intel.com>
* doc/extend.texi: Update force_align_arg_pointer.
* doc/invoke.texi: Document -mincoming-stack-boundary. Update
-mstackrealign.
* doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
(INCOMING_STACK_BOUNDARY): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): New target hook.
(TARGET_GET_DRAP_RTX): Likewise.
From-SVN: r138335
2008-07-30 21:20:43 +02:00
|
|
|
|
|
|
|
if (crtl->stack_alignment_estimated < align)
|
|
|
|
{
|
|
|
|
/* stack_alignment_estimated shouldn't change after stack
|
|
|
|
realign decision made */
|
|
|
|
gcc_assert(!crtl->stack_realign_processed);
|
|
|
|
crtl->stack_alignment_estimated = align;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
if (TREE_CODE (origvar) == SSA_NAME)
|
|
|
|
{
|
|
|
|
gcc_assert (TREE_CODE (var) != VAR_DECL
|
|
|
|
|| (!DECL_EXTERNAL (var)
|
|
|
|
&& !DECL_HAS_VALUE_EXPR_P (var)
|
|
|
|
&& !TREE_STATIC (var)
|
|
|
|
&& TREE_TYPE (var) != error_mark_node
|
|
|
|
&& !DECL_HARD_REGISTER (var)
|
|
|
|
&& really_expand));
|
|
|
|
}
|
|
|
|
if (TREE_CODE (var) != VAR_DECL && TREE_CODE (origvar) != SSA_NAME)
|
2008-04-02 12:01:43 +02:00
|
|
|
;
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
else if (DECL_EXTERNAL (var))
|
|
|
|
;
|
2005-06-04 19:22:21 +02:00
|
|
|
else if (DECL_HAS_VALUE_EXPR_P (var))
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
;
|
|
|
|
else if (TREE_STATIC (var))
|
2008-07-25 15:11:32 +02:00
|
|
|
;
|
2009-06-08 13:37:12 +02:00
|
|
|
else if (TREE_CODE (origvar) != SSA_NAME && DECL_RTL_SET_P (var))
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
;
|
|
|
|
else if (TREE_TYPE (var) == error_mark_node)
|
2006-11-28 11:53:16 +01:00
|
|
|
{
|
|
|
|
if (really_expand)
|
|
|
|
expand_one_error_var (var);
|
|
|
|
}
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
else if (TREE_CODE (var) == VAR_DECL && DECL_HARD_REGISTER (var))
|
2006-11-28 11:53:16 +01:00
|
|
|
{
|
|
|
|
if (really_expand)
|
|
|
|
expand_one_hard_reg_var (var);
|
|
|
|
}
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
else if (use_register_for_decl (var))
|
2006-11-28 11:53:16 +01:00
|
|
|
{
|
|
|
|
if (really_expand)
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
expand_one_register_var (origvar);
|
2006-11-28 11:53:16 +01:00
|
|
|
}
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
else if (defer_stack_allocation (var, toplevel))
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
add_stack_var (origvar);
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
else
|
2006-11-28 11:53:16 +01:00
|
|
|
{
|
2006-12-05 11:15:28 +01:00
|
|
|
if (really_expand)
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
expand_one_stack_var (origvar);
|
2006-11-28 11:53:16 +01:00
|
|
|
return tree_low_cst (DECL_SIZE_UNIT (var), 1);
|
|
|
|
}
|
|
|
|
return 0;
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* A subroutine of expand_used_vars. Walk down through the BLOCK tree
|
|
|
|
expanding variables. Those variables that can be put into registers
|
|
|
|
are allocated pseudos; those that can't are put on the stack.
|
|
|
|
|
|
|
|
TOPLEVEL is true if this is the outermost BLOCK. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
expand_used_vars_for_block (tree block, bool toplevel)
|
|
|
|
{
|
|
|
|
size_t i, j, old_sv_num, this_sv_num, new_sv_num;
|
|
|
|
tree t;
|
|
|
|
|
|
|
|
old_sv_num = toplevel ? 0 : stack_vars_num;
|
|
|
|
|
|
|
|
/* Expand all variables at this level. */
|
|
|
|
for (t = BLOCK_VARS (block); t ; t = TREE_CHAIN (t))
|
2008-07-25 15:11:32 +02:00
|
|
|
if (TREE_USED (t))
|
2006-11-28 11:53:16 +01:00
|
|
|
expand_one_var (t, toplevel, true);
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
|
|
|
this_sv_num = stack_vars_num;
|
|
|
|
|
|
|
|
/* Expand all variables at containing levels. */
|
|
|
|
for (t = BLOCK_SUBBLOCKS (block); t ; t = BLOCK_CHAIN (t))
|
|
|
|
expand_used_vars_for_block (t, false);
|
|
|
|
|
|
|
|
/* Since we do not track exact variable lifetimes (which is not even
|
cfgcleanup.c, [...]: Fix comment typos.
* cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
config/fr30/fr30.md, config/i386/i386-interix.h,
config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
config/sh/superh64.h, config/v850/v850.c, df-core.c,
df-problems.c, df.h, except.c, final.c, haifa-sched.c,
lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
Follow spelling conventions.
* doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
Follow spelling conventions.
From-SVN: r114168
2006-05-28 19:46:46 +02:00
|
|
|
possible for variables whose address escapes), we mirror the block
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
tree in the interference graph. Here we cause all variables at this
|
|
|
|
level, and all sublevels, to conflict. Do make certain that a
|
|
|
|
variable conflicts with itself. */
|
|
|
|
if (old_sv_num < this_sv_num)
|
|
|
|
{
|
|
|
|
new_sv_num = stack_vars_num;
|
|
|
|
resize_stack_vars_conflict (new_sv_num);
|
|
|
|
|
|
|
|
for (i = old_sv_num; i < new_sv_num; ++i)
|
2004-09-11 22:07:11 +02:00
|
|
|
for (j = i < this_sv_num ? i+1 : this_sv_num; j-- > old_sv_num ;)
|
|
|
|
add_stack_var_conflict (i, j);
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* A subroutine of expand_used_vars. Walk down through the BLOCK tree
|
|
|
|
and clear TREE_USED on all local variables. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
clear_tree_used (tree block)
|
|
|
|
{
|
|
|
|
tree t;
|
|
|
|
|
|
|
|
for (t = BLOCK_VARS (block); t ; t = TREE_CHAIN (t))
|
|
|
|
/* if (!TREE_STATIC (t) && !DECL_EXTERNAL (t)) */
|
|
|
|
TREE_USED (t) = 0;
|
|
|
|
|
|
|
|
for (t = BLOCK_SUBBLOCKS (block); t ; t = BLOCK_CHAIN (t))
|
|
|
|
clear_tree_used (t);
|
|
|
|
}
|
|
|
|
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
/* Examine TYPE and determine a bit mask of the following features. */
|
|
|
|
|
|
|
|
#define SPCT_HAS_LARGE_CHAR_ARRAY 1
|
|
|
|
#define SPCT_HAS_SMALL_CHAR_ARRAY 2
|
|
|
|
#define SPCT_HAS_ARRAY 4
|
|
|
|
#define SPCT_HAS_AGGREGATE 8
|
|
|
|
|
|
|
|
static unsigned int
|
|
|
|
stack_protect_classify_type (tree type)
|
|
|
|
{
|
|
|
|
unsigned int ret = 0;
|
|
|
|
tree t;
|
|
|
|
|
|
|
|
switch (TREE_CODE (type))
|
|
|
|
{
|
|
|
|
case ARRAY_TYPE:
|
|
|
|
t = TYPE_MAIN_VARIANT (TREE_TYPE (type));
|
|
|
|
if (t == char_type_node
|
|
|
|
|| t == signed_char_type_node
|
|
|
|
|| t == unsigned_char_type_node)
|
|
|
|
{
|
2005-07-11 09:31:08 +02:00
|
|
|
unsigned HOST_WIDE_INT max = PARAM_VALUE (PARAM_SSP_BUFFER_SIZE);
|
|
|
|
unsigned HOST_WIDE_INT len;
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
|
2005-07-11 09:31:08 +02:00
|
|
|
if (!TYPE_SIZE_UNIT (type)
|
|
|
|
|| !host_integerp (TYPE_SIZE_UNIT (type), 1))
|
|
|
|
len = max;
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
else
|
2005-07-11 09:31:08 +02:00
|
|
|
len = tree_low_cst (TYPE_SIZE_UNIT (type), 1);
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
|
|
|
|
if (len < max)
|
|
|
|
ret = SPCT_HAS_SMALL_CHAR_ARRAY | SPCT_HAS_ARRAY;
|
|
|
|
else
|
|
|
|
ret = SPCT_HAS_LARGE_CHAR_ARRAY | SPCT_HAS_ARRAY;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
ret = SPCT_HAS_ARRAY;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case UNION_TYPE:
|
|
|
|
case QUAL_UNION_TYPE:
|
|
|
|
case RECORD_TYPE:
|
|
|
|
ret = SPCT_HAS_AGGREGATE;
|
|
|
|
for (t = TYPE_FIELDS (type); t ; t = TREE_CHAIN (t))
|
|
|
|
if (TREE_CODE (t) == FIELD_DECL)
|
|
|
|
ret |= stack_protect_classify_type (TREE_TYPE (t));
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
Makefile.in, [...]: Fix comment/doc typos.
* Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
config/alpha/predicates.md, config/arc/arc.h,
config/arm/arm.h, config/arm/ieee754-df.S,
config/arm/ieee754-sf.S, config/bfin/bfin.c,
config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
config/m68hc11/m68hc11.h, config/mips/mips.c,
config/mips/mips.h, config/mips/openbsd.h,
config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
config/rs6000/rs6000.c, config/rs6000/rs6000.h,
config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
config/sparc/linux.h, config/sparc/linux64.h,
config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
doc/extend.texi, doc/gcov.texi, doc/install.texi,
doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
typos. Follow spelling conventions.
From-SVN: r102809
2005-08-06 15:26:35 +02:00
|
|
|
/* Return nonzero if DECL should be segregated into the "vulnerable" upper
|
|
|
|
part of the local stack frame. Remember if we ever return nonzero for
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
any variable in this function. The return value is the phase number in
|
|
|
|
which the variable should be allocated. */
|
|
|
|
|
|
|
|
static int
|
|
|
|
stack_protect_decl_phase (tree decl)
|
|
|
|
{
|
|
|
|
unsigned int bits = stack_protect_classify_type (TREE_TYPE (decl));
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
if (bits & SPCT_HAS_SMALL_CHAR_ARRAY)
|
|
|
|
has_short_buffer = true;
|
|
|
|
|
|
|
|
if (flag_stack_protect == 2)
|
|
|
|
{
|
|
|
|
if ((bits & (SPCT_HAS_SMALL_CHAR_ARRAY | SPCT_HAS_LARGE_CHAR_ARRAY))
|
|
|
|
&& !(bits & SPCT_HAS_AGGREGATE))
|
|
|
|
ret = 1;
|
|
|
|
else if (bits & SPCT_HAS_ARRAY)
|
|
|
|
ret = 2;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
ret = (bits & SPCT_HAS_LARGE_CHAR_ARRAY) != 0;
|
|
|
|
|
|
|
|
if (ret)
|
|
|
|
has_protected_decls = true;
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Two helper routines that check for phase 1 and phase 2. These are used
|
|
|
|
as callbacks for expand_stack_vars. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
stack_protect_decl_phase_1 (tree decl)
|
|
|
|
{
|
|
|
|
return stack_protect_decl_phase (decl) == 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool
|
|
|
|
stack_protect_decl_phase_2 (tree decl)
|
|
|
|
{
|
|
|
|
return stack_protect_decl_phase (decl) == 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Ensure that variables in different stack protection phases conflict
|
|
|
|
so that they are not merged and share the same stack slot. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
add_stack_protection_conflicts (void)
|
|
|
|
{
|
|
|
|
size_t i, j, n = stack_vars_num;
|
|
|
|
unsigned char *phase;
|
|
|
|
|
|
|
|
phase = XNEWVEC (unsigned char, n);
|
|
|
|
for (i = 0; i < n; ++i)
|
|
|
|
phase[i] = stack_protect_decl_phase (stack_vars[i].decl);
|
|
|
|
|
|
|
|
for (i = 0; i < n; ++i)
|
|
|
|
{
|
|
|
|
unsigned char ph_i = phase[i];
|
|
|
|
for (j = 0; j < i; ++j)
|
|
|
|
if (ph_i != phase[j])
|
|
|
|
add_stack_var_conflict (i, j);
|
|
|
|
}
|
|
|
|
|
|
|
|
XDELETEVEC (phase);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Create a decl for the guard at the top of the stack frame. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
create_stack_guard (void)
|
|
|
|
{
|
java-gimplify.c (java_gimplify_block): New argument to build_empty_stmt.
gcc/java/
* java-gimplify.c (java_gimplify_block): New argument to
build_empty_stmt.
* expr.c (force_evaluation_order): Same.
* typeck.c: Add location to build_decl or PUSH_FIELD calls.
* class.c: Same.
* decl.c: Same.
* jcf-parse.c: Same.
* constants.c: Same.
* resource.c: Same.
* except.c: Same.
* builtins.c: Same.
* expr.c: Same.
* java-tree.h (PUSH_FIELD): Add location field.
gcc/objc/
* objc-act.c (finish_var_decl): Pass location to finish_decl.
(objc_get_parm_info): Same.
(get_super_receiver): Same.
* objc-act.c (objc_build_component_ref): Pass location to
build_compound_ref.
(build_module_initializer_routine): Pass location to
c_end_compound_stmt.
(objc_generate_static_init_call): Pass location to build_stmt.
(build_typed_selector_reference): New location argument.
(build_selector_reference): Same.
(objc_substitute_decl): Pass location to build_array_ref.
(next_sjlj_build_try_catch_finally): Pass location to build_stmt.
(objc_begin_catch_clause): Same.
(objc_finish_try_stmt): Same.
(objc_finish_catch_clause): Pass location to c_end_compound_stmt.
(objc_build_throw_stmt): New argument.
(generate_shared_structures): Pass location to build_c_cast.
(objc_build_message_expr): Use local location.
(objc_finish_message_expr): Use input_location.
(build_objc_method_call): New argument.
(objc_build_selector_expr): Same.
(get_super_receiver): Pass location to build_c_cast,
build_modify_expr, build_compound_expr.
* objc-act.c: Add location to all calls to start_struct, build_decl,
finish_struct.
gcc/
* tree-pretty-print.c (dump_generic_node): Dump column numbers.
* gimple-pretty-print.c (dump_gimple_stmt): Same.
* gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
created.
* c-parser.c (c_parser_binary_expression): Use current column while
building binary operations.
* common.opt (fshow-column): Enable by default.
* tree-vrp.c (check_array_ref): Use warning_at.
(check_array_bounds): Use location from call back if expr has no
location.
* tree.h: Add location argument to maybe_fold_*.
* tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
(maybe_fold_offset_to_array_ref): Add location argument and use it.
(maybe_fold_offset_to_component_ref): Same.
(maybe_fold_offset_to_reference): Same.
(maybe_fold_offset_to_address): Same.
(maybe_fold_stmt_indirect): Same.
(maybe_fold_stmt_addition): Same.
(fold_stmt_r): Pass location to maybe_fold_*.
(fold_gimple_assign): Same.
* c-tree.h: Add location argument to finish_decl,
default_function_array_conversion, store_init_value.
* c-decl.c (define_label): Use error_at.
(c_make_fname_decl): Pass location to finish_decl.
(finish_decl): New location argument.
(build_compound_literal): Pass location to store_init_value.
(grokdeclarator): Pass location to finish_decl.
(grokfield): Same.
* c-typeck.c (array_to_pointer_conversion): New location argument.
(function_to_pointer_conversion): Same.
(default_function_array_conversion): Same.
(parser_build_unary_op): Pass location to overflow_warning.
(parser_build_binary_op): Same. Use warning_at.
(build_unary_op): Pass location to array_to_pointer_conversion.
(build_c_cast): Pass location to digest_init.
(build_modify_expr): New location argument.
(convert_for_assignment): Same.
(store_init_value): Same.
(digest_init): Same.
(output_init_element): Pass location to digest_init and
array_to_pointer_conversion.
(c_finish_return): Pass location to convert_for_assignment.
* gimplify.c (gimplify_conversion): Pass location to
maybe_fold_offset_to_address.
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
to maybe_fold_stmt_addition.
* c-omp.c (c_finish_omp_atomic): Pass new location to
build_modify_expr.
(c_finish_omp_for): Same.
* c-common.c (overflow_warning): New argument.
* c-common.h: New argument to build_modify_expr, overflow_warning.
* c-parser.c (c_parser_declaration_or_fndef): Pass location to
finish_decl.
(c_parser_initializer): Pass location to
default_function_array_conversion.
(c_parser_initelt): Same.
(c_parser_initval): Same.
(c_parser_asm_operands): Same.
(c_parser_expr_no_commas): Same. Pass location to build_modify_expr.
(c_parser_conditional_expression): Same.
(c_parser_binary_expression): Add location info to stack. Use it.
(c_parser_unary_expression): Pass location to
default_function_array_conversion, parser_build_unary_op,
build_indirect_ref, c_parser_postfix_expression_after_primary.
(c_parser_postfix_expression_after_primary): New location argument.
Use it.
(c_parser_expression_conv): Pass location to
default_function_array_conversion.
(c_parser_expr_list): Same.
(c_parser_omp_atomic): Same.
(c_parser_omp_for_loop): Same.
* c-tree.h: (struct c_declarator): Add comment to id_loc.
(build_array_declarator): New argument.
* c-decl.c (build_array_declarator): Add location argument.
(grokdeclarator): Set id_loc for cdk_array.
* c-parser.c (c_parser_direct_declarator_inner): Pass location to
build_array_declarator.
* tree.c (build_omp_clause): Add location argument.
* tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
(OMP_CLAUSE_LOCATION): New macro.
(struct tree_omp_clause): Add location field.
(build_omp_clause): Add argument.
* testsuite/gcc.dg/gomp/for-1.c: Fix column.
* cp/pt.c (tsubst_omp_for_iterator): Pass location to
build_omp_clause.
* cp/parser.c (cp_parser_omp_var_list_no_open): Same.
(cp_parser_omp_clause_collapse): Same.
(cp_parser_omp_clause_default): Same.
(cp_parser_omp_clause_if): Same.
(cp_parser_omp_clause_nowait): Same.
(cp_parser_omp_clause_num_threads): Same.
(cp_parser_omp_clause_ordered): Same.
(cp_parser_omp_clause_schedule): Same.
(cp_parser_omp_clause_untied): Same.
(cp_parser_omp_for_loop): Same.
(cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
* c-tree.h (c_start_case): Add location argument.
(c_process_expr_stmt): Same.
(c_finish_goto_*): Same.
* tree-parloops.c (initialize_reductions): Pass location to
build_omp_clause.
(create_parallel_loop): Same.
* fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
(gfc_trans_omp_reduction_list): Same.
(gfc_trans_omp_clauses): Same.
(gfc_trans_omp_do): Same.
* c-typeck.c (c_finish_goto_label): Same.
(c_finish_goto_ptr): New location argument.
(c_start_case): Same.
(emit_side_effect_warnings): Same.
(c_process_expr_stmt): Same.
(c_finish_stmt_expr): Same.
(c_finish_omp_clauses): Use error_at instead of error.
* gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
build_omp_clause.
* c-omp.c (c_split_parallel_clauses): New location argument.
* tree-nested.c (convert_nonlocal_reference_stmt): Pass location
to build_omp_clause.
(convert_local_reference_stmt): Same.
(convert_gimple_call): Same.
* c-common.h (c_split_parallel_clauses): New argument.
* c-parser.c (c_parser_statement_after_labels): Pass location to
c_finish_goto_label.
(c_parser_switch_statement): Pass location to c_start_case.
(c_parser_for_statement): Pass location to c_finish_expr_stmt,
and c_process_expr_stmt.
(c_parser_omp_variable_list): Add location argument.
(c_parser_omp_clause_collapse): Pass location to
build_omp_clause.
(c_parser_omp_clause_default): Same.
(c_parser_omp_clause_if): Same.
(c_parser_omp_clause_num_threads): Same.
(-c_parser_omp_clause_ordered): Same.
(c_parser_omp_clause_reduction): Pass location to
c_parser_omp_variable_list.
(c_parser_omp_clause_schedule): Pass location to build_omp_clause.
(c_parser_omp_clause_untied): Same.
(c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
(c_parser_omp_parallel): Pass location to
c_split_parallel_clauses.
* c-tree.h (check_for_loop_decls, undeclared_variable,
build_component_ref, build_array_ref, build_external_ref,
c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
build_conditional_expr, build_compound_expr, c_cast_expr,
build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
argument.
* c-semantics.c (build_stmt): Same.
(build_case_label): Same.
* c-decl.c (c_finish_incomplete_decl): Pass location on down.
(undeclared_variable): New argument.
(make_label): Same.
(lookup_label): Pass location on down.
(define_label): Same.
(finish_decl): Same.
(build_compound_literal): Same.
(finish_struct): Same.
(finish_function): Do not set location here.
(check_for_loop_decls): New argument.
* tree.c (save_expr): Set location.
(build_empty_stmt): New argument.
* tree.h (build_empty_stmt): New argument to build_empty_stmt.
(CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
* builtins.c (gimplify_va_arg_expr): Use locations.
(expand_builtin_sync_operation): Same.
* c-typeck.c (build_component_ref): New argument.
(build_array_ref): Same.
(build_external_ref): Same.
(c_expr_sizeof_expr): Same.
(c_expr_sizeof_type): Same.
(parser_build_unary_op): Same.
(build_conditional_expr): Same.
(build_compound_expr): Pass location on down.
(build_compound_expr): New argument.
(build_c_cast): Same.
(c_cast_expr): Same.
(build_asm_expr): Same.
(c_finish_return): Same.
(c_process_expr_stmt): Pass location on down.
(c_finish_stmt_expr): New argument.
(push_clenaup): Same.
(c_finish_omp_parallel): Same.
(c_finish_omp_task): Same.
* gimplify.c (gimplify_call_expr): Pass location on down.
* c-omp.c (c_finish_omp_master): New argument.
(c_finish_omp_critical): Same.
(c_finish_omp_ordered): Same.
(c_finish_omp_barrier): Same.
(-c_finish_omp_taskwait): Same.
(c_finish_omp_atomic): Same.
(c_finish_omp_flush): Same.
* tree-inline.c (copy_tree_body_r): Pass location on down.
(inline_forbidden_p): Remove use of input_location.
* c-gimplify.c (c_build_bind_expr): New argument.
* c-common.c (c_common_truthvalue_conversion): Pass location on down.
(c_sizeof_or_alignof_type): New argument.
(c_alignof_expr): Same.
(build_va_arg): Same.
(c_add_case_label): Same.
* c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
New argument.
* stub-objc.c (objc_build_selector_expr): Same.
(objc_build_throw_stmt): Same.
* c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
(c_parser_initelt): Same.
(c_parser_compound_statement): Same.
(c_parser_compound_statement_nostart): Same.
(c_parser_label): Same.
(c_parser_statement_after_labels): Same.
(c_parser_if_body): Same.
(c_parser_else_body): Same.
(c_parser_if_statement): Same.
(c_parser_switch_statement): Same.
(c_parser_while_statement): Same.
(c_parser_do_statement): Same.
(c_parser_for_statement): Same.
(c_parser_asm_statement): Same.
(c_parser_conditional_expression): Same.
(c_parser_binary_expression): Same.
(c_parser_cast_expression): Same.
(c_parser_unary_expression): Same.
(c_parser_sizeof_expression): Same.
(c_parser_alignof_expression): Same.
(c_parser_postfix_expression): Same.
(c_parser_expression): Same.
(c_parser_objc_receiver): Same.
(c_parser_omp_variable_list): Same.
(c_parser_omp_structured_block): Same.
(c_parser_omp_atomic): New argument.
(c_parser_omp_barrier): Same.
(c_parser_omp_critical): Same.
(c_parser_omp_flush): Pass location on down.
(c_parser_omp_for_loop): New argument.
(c_parser_omp_for): Same.
(c_parser_omp_master): Same.
(c_parser_omp_ordered): Same.
(c_parser_omp_sections_scope): Same.
(c_parser_omp_sections): Same.
(c_parser_omp_parallel): Same.
(c_parser_omp_single): Same.
(c_parser_omp_task): Same.
(c_parser_omp_taskwait): Pass location on down.
(c_parser_omp_construct): Same.
(c_parser_omp_threadprivate): Same.
* dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
config/i386/i386.c, stmt.c:
Add location argument to the following function definitions and/or
function calls: build_decl, objcp_start_struct, objcp_finish_struct,
start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
do_case, c_finish_bc_stmt, build_compound_literal,
build_function_call.
* c-decl.c (build_compound_literal): Add location argument.
Make all diagnostic calls use location.
(start_struct): Same.
(finish_struct): Same.
(start_enum): Same.
(build_enumerator): Same.
(start_function): Same.
(grokdeclarator): Make all diagnostic calls use location.
(store_parm_decls_oldstyle): Same.
* c-typeck.c (build_function_call): Add location argument.
Make all diagnostic calls use location.
(do_case): Same.
(c_finish_bc_stmt): Same.
* tree-nested.c (get_trampoline_type): Add argument.
Pass location to build_decl.
(lookup_tramp_for_decl): Pass location to get_trampoline_type.
* rtl.h (RTL_LOCATION): New.
* c-common.c (c_add_case_label): Add location argument.
Make all diagnostic calls use location.
* c-common.h: Add location argument to make_fname_decl, do_case,
c_add_case_label, build_function_call, resolve_overloaded_builtin.
* c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
Set it appropriately for every case. Pass enum_loc to start_enum
call. Pass value_loc first to build_enumerator. Pass enum_loc to
parser_xref_tag.
(c_parser_struct_or_union_specifier): Save location. Use it for
start_struct, finish_struct, and parser_xref_tag.
gcc/testsuite/
* gcc.dg/old-style-prom-3.c: Add column info.
* gcc.dg/overflow-warn-1.c
* gcc.dg/gomp/pr27415.c
* gcc.dg/gomp/for-1.c: Same.
* gcc.dg/enum-compat-1.c: Same.
* gcc.dg/c99-tag-3.c: Same.
* gcc.dg/Wredundant-decls-2.c: Same.
* gcc.dg/func-ptr-conv-1.c: Same.
* gcc.dg/asm-wide-1.c: Same.
* gcc.dg/nofixed-point-2.c: Same.
* gcc.dg/cpp/line3.c: Same.
* gcc.dg/array-10.c: Same.
* gcc.dg/c99-vla-jump-1.c: Same.
* gcc.dg/pr20368-1.c: Same.
* gcc.dg/Wshadow-3.c: Same.
* gcc.dg/c90-const-expr-8.c: Same.
* gcc.dg/label-decl-2.c: Same.
* gcc.dg/dremf-type-compat-2.c: Same.
* gcc.dg/c90-const-expr-5.c: Same.
* gcc.dg/builtins-30.c: Same.
* gcc.dg/Warray-bounds.c: Same.
* gcc.dg/Wcxx-compat-2.c: Same.
* gcc.dg/tree-ssa/col-1.c: Same.
* gcc.dg/old-style-prom-2.c: Same.
* gcc.dg/cast-function-1.c: Same.
* gcc.dg/pr15698-1.c: Same.
* gcc.dg/dremf-type-compat-3.c: Same.
* gcc.dg/vla-8.c: Same.
* gcc.dg/gomp/pr27415.c: Move firstprivate diagnostics to correct
line.
* gcc.dg/label-decl-2.c: Move label diagnostic to correct line.
* gcc.dg/old-style-prom-3.c: Check for error on the correct line.
* gcc.dg/enum-compat-1.c: Same.
* gcc.dg/dremf-type-compat-2.c: Same.
* gcc.dg/old-style-prom-2.c: Same.
* gcc.dg/pr15698-1.c: Same.
* gcc.dg/pr20368-1.c: Same.
* gcc.dg/dremf-type-compat-3.c: Same.
* gcc.dg/builtins-30.c: Same. Test for columns.
gcc/objcp/
* objcp-decl.h (c_end_compound_stmt): New argument.
* objcp-decl.c (objcp_start_struct): Add argument.
(objcp_finish_struct): Same.
gcc/cp/
* typeck.c (cp_build_binary_op): Pass location to overflow_warning.
(build_modify_expr): New arg.
* semantics.c (finish_unary_op_expr): Pass location to
overflow_warning.
(handle_omp_for_class_iterator): Pass location to build_modify_expr.
* typeck.c (cxx_sizeof_or_alignof_type): Pass location to
c_sizeof_or_alignof_type.
(build_array_ref): New argument.
(build_compound_expr): Same.
(build_const_cast): Same.
(build_ptrmemfunc): Pass location to build_c_cast.
* init.c (avoid_placement_new_aliasing): Pass location to
build_stmt.
(build_vec_delete_1): Pass location to cp_build_modify_expr,
build_compound_expr.
* class.c (build_vtbl_ref_1): Pass location to build_array_ref.
* decl.c (poplevel): Pass location to c_build_bind_expr.
(finish_case_label): Pass location to build_case_label.
(finish_constructor_body): Same.
(finish_destructor_body): Pass location to build_stmt.
(cxx_maybe_build_cleanup): Same, but to build_compound_expr.
* call.c (build_new_op): Pass location to build_array_ref.
(build_x_va_arg): Pass location to build_va_arg.
* except.c (expand_end_catch_block): Pass location to
build_stmt.
* cp-tree.h (build_array_ref): New argument.
(build_compound_expr): Same.
(build_c_cast): Same.
* cp-gimplify.c (gimplify_if_stmt): Pass location on down.
(gimplify_switch_stmt): Same.
* typeck2.c (split_nonconstant_init_1): Same.
* pt.c (tsubst_copy): Same.
* semantics.c (add_decl_expr): Same.
(do_poplevel): Same.
(push_cleanup): Same.
(finish_goto_stmt): Same.
(finish_expr_stmt): Same.
(begin_if_stmt): Same.
(begin_while_stmt): Same.
(begin_do_stmt): Same.
(finish_return_stmt): Same.
(begin_for_stmt): Same.
(finish_break_stmt): Same.
(finish_continue_stmt): Same.
(begin_switch_stmt): Same.
(begin_try_block): Same.
(begin_handler): Same.
(finish_asm_stmt): Same.
(finish_label_stmt): Same.
(finish_stmt_expr_expr): Same.
(finalize_nrv_r): Same.
(finish_omp_atomic): Same.
* name-lookup.c (do_using_directive): Same.
* decl2.c (grok_array_decl): Same.
* parser.c (cp_parser_cast_expression): Same.
(cp_parser_selection_statement): Same.
(cp_parser_implicitly_scoped_statement): Same.
(cp_parser_objc_selector_expression): Same.
(cp_parser_objc_synchronized_statement): Same.
(cp_parser_objc_throw_statement): Same.
(cp_parser_omp_critical): Same.
(cp_parser_omp_master): Same.
* typeck.c (build_function_call): Add location argument.
* init.c: Add location argument to all build_decl calls.
* class.c: Same.
* method.c: Same.
* rtti.c: Same.
* tree.c: Same.
* pt.c: Same.
* semantics.c: Same.
* lex.c: Same.
* decl2.c: Same.
* cp-gimplify.c: Same.
* decl.c: Same.
(cp_make_fname_decl): Add location argument. Pass location ot
build_decl.
(finish_case_label): Same.
* cp-tree.h (finish_case_label): Add location argument.
* parser.c (cp_parser_label_for_labeled_statement): Pass location to
finish_case_label.
gcc/fortran/
* trans-array.c (gfc_trans_allocate_array_storage): Pass
location on down.
(gfc_trans_array_constructor_value): Same.
(gfc_trans_scalarized_loop_end): Same.
(gfc_conv_ss_startstride): Same.
(gfc_trans_g77_array): Same.
(gfc_trans_dummy_array_bias): Same.
(gfc_conv_array_parameter): Same.
(structure_alloc_comps): Same.
* trans-expr.c (gfc_conv_function_call): Same.
(fill_with_spaces): Same.
(gfc_trans_string_copy): Same.
(gfc_trans_scalar_assign): Same.
* trans-stmt.c (gfc_trans_goto): Same.
(gfc_trans_if_1): Same.
(gfc_trans_simple_do): Same.
(gfc_trans_do): Same.
(gfc_trans_do_while): Same.
(gfc_trans_logical_select): Same.
(gfc_trans_select): Same.
(gfc_trans_forall_loop): Same.
(gfc_trans_nested_forall_loop): Same.
(generate_loop_for_temp_to_lhs): Same.
(generate_loop_for_rhs_to_temp): Same.
(gfc_trans_forall_1): Same.
(gfc_trans_where_assign): Same.
(gfc_trans_where_3): Same.
(gfc_trans_allocate): Same.
* trans.c (gfc_finish_block): Same.
(gfc_trans_runtime_check): Same.
(gfc_call_malloc): Same.
(gfc_allocate_with_status): Same.
(gfc_call_free): Same.
(gfc_deallocate_with_status): Same.
(gfc_call_realloc): Same.
(gfc_trans_code): Same.
* trans-decl.c (gfc_init_default_dt): Same.
(gfc_generate_constructors): Same.
* trans-io.c (gfc_trans_io_runtime_check): Same.
* trans-intrinsic.c (gfc_conv_intrinsic_ctime): Same.
(gfc_conv_intrinsic_fdate): Same.
(gfc_conv_intrinsic_ttynam): Same.
(gfc_conv_intrinsic_minmax): Same.
(gfc_conv_intrinsic_minmax_char): Same.
(gfc_conv_intrinsic_anyall): Same.
(gfc_conv_intrinsic_count): Same.
(gfc_conv_intrinsic_arith): Same.
(gfc_conv_intrinsic_minmaxloc): Same.
(gfc_conv_intrinsic_minmaxval): Same.
(gfc_conv_intrinsic_rrspacing): Same.
(gfc_conv_intrinsic_array_transfer): Same.
(gfc_conv_intrinsic_trim): Same.
(gfc_conv_intrinsic_repeat): Same.
From-SVN: r148442
2009-06-13 00:06:47 +02:00
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tree guard = build_decl (DECL_SOURCE_LOCATION (current_function_decl),
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VAR_DECL, NULL, ptr_type_node);
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c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
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TREE_THIS_VOLATILE (guard) = 1;
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TREE_USED (guard) = 1;
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expand_one_stack_var (guard);
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except.c (dw2_size_of_call_site_table, [...]): Use vector API for call_site_record.
* except.c (dw2_size_of_call_site_table,
sjlj_size_of_call_site_table): Use vector API for call_site_record.
* cgraphbuild.c (build_cgraph_edges): Update.
* tree-pass.h: Update comment.
* final.c (leaf_function_p): Update.
(leaf_renumber_regs): Update.
(rest_of_clean_state): Update.
* omp-low.c (expand_omp_parallel): Update.
* ipa-reference.c (analyze_function): Update.
* reorg.c (find_end_label): Update.
(optimize_skip): Update.
(fill_simple_delay_slots): Update.
(fill_simple_delay_slots): Update.
(make_return_insns): Update.
(dbr_schedule): Update.
* gimple-low.c (record_vars_into): Update.
* cfgbuild.c (make_edges): Update.
* function.c (assign_stack_local): Update.
(assign_parm_adjust_stack_rtl): Update.
(locate_and_pad_parm): Update.
(allocate_struct_function): Do not initialize stack_alignment_needed
and preferred_stack_boundary here.
(stack_protect_prologue): Update.
(stack_protect_epilogue): Update.
(expand_function_start): Initialize stack_alignment_needed,
preferred_stack_boundary and max_jumptable_ents.
(expand_function_end): Update.
(free_after_compilation): Do not NULLify epilogue_delay_list.
* function.h (struct rtl_data): Add stack_protect_guard,
stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list.
(struct function): Remove value_histograms, stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
last_label_uid,
unexpanded_var_list, stack_protect_guard.
(current_function_epilogue_delay_list): Remove.
* ipa-type-escape.c (analyze_function): Update.
* gimplify.c (pop_gimplify_context): Update comment.
* calls.c (expand_call): Update.
(emit_library_call_value_1): Update.
* except.c (set_nothrow_function_flags): Update.
* cfgexpand.c (get_decl_align_unit): Update.
(create_stack_guard): Update.
(estimated_stack_frame_size): Update.
(expand_used_vars): Update.
(tree_expand_cfg): Free histogram earliers, init expansion variables.
* explow.c (allocate_dynamic_stack_space): Update.
* tree-ssa-live.c (remove_unused_locals): Update.
* varasm.c (mark_constant_pool): Update.
* tree-inline.c (remap_decls): Update.
(initialize_cfun): Update.
(declare_return_variable): Update.
(inline_forbidden_p): Update.
(expand_call_inline): Update.
(declare_inline_vars): Update.
(tree_function_versioning): Update.
* tree-flow.h (value_histograms): New.
(VALUE_HISTOGRAMS): New macro.
* basic-block.h (control_flow_graph): Add max_jumptable_ents,
last_label_uid.
* tree-cfg.c (set_bb_for_stmt): Update.
(replace_by_duplicate_decl): Update.
(move_block_to_fn): Update.
(new_label_mapper): Update.
(dump_function_to_file): Update.
* ipa-struct-reorg.c (build_data_structure): Update.
* cfgrtl.c (print_rtl_with_bb): Update.
* reload1.c (reload): Update.
(reload): Update.
* config/i386/i386.c (setup_incoming_varargs_64,
ix86_compute_frame_layout): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
From-SVN: r134425
2008-04-18 07:26:12 +02:00
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crtl->stack_protect_guard = guard;
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c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
}
|
|
|
|
|
2006-11-28 11:53:16 +01:00
|
|
|
/* A subroutine of expand_used_vars. Walk down through the BLOCK tree
|
|
|
|
expanding variables. Those variables that can be put into registers
|
|
|
|
are allocated pseudos; those that can't are put on the stack.
|
|
|
|
|
|
|
|
TOPLEVEL is true if this is the outermost BLOCK. */
|
|
|
|
|
|
|
|
static HOST_WIDE_INT
|
|
|
|
account_used_vars_for_block (tree block, bool toplevel)
|
|
|
|
{
|
|
|
|
size_t i, j, old_sv_num, this_sv_num, new_sv_num;
|
|
|
|
tree t;
|
|
|
|
HOST_WIDE_INT size = 0;
|
|
|
|
|
|
|
|
old_sv_num = toplevel ? 0 : stack_vars_num;
|
|
|
|
|
|
|
|
/* Expand all variables at this level. */
|
|
|
|
for (t = BLOCK_VARS (block); t ; t = TREE_CHAIN (t))
|
|
|
|
if (TREE_USED (t))
|
|
|
|
size += expand_one_var (t, toplevel, false);
|
|
|
|
|
|
|
|
this_sv_num = stack_vars_num;
|
|
|
|
|
|
|
|
/* Expand all variables at containing levels. */
|
|
|
|
for (t = BLOCK_SUBBLOCKS (block); t ; t = BLOCK_CHAIN (t))
|
|
|
|
size += account_used_vars_for_block (t, false);
|
|
|
|
|
|
|
|
/* Since we do not track exact variable lifetimes (which is not even
|
|
|
|
possible for variables whose address escapes), we mirror the block
|
|
|
|
tree in the interference graph. Here we cause all variables at this
|
|
|
|
level, and all sublevels, to conflict. Do make certain that a
|
|
|
|
variable conflicts with itself. */
|
|
|
|
if (old_sv_num < this_sv_num)
|
|
|
|
{
|
|
|
|
new_sv_num = stack_vars_num;
|
|
|
|
resize_stack_vars_conflict (new_sv_num);
|
|
|
|
|
|
|
|
for (i = old_sv_num; i < new_sv_num; ++i)
|
|
|
|
for (j = i < this_sv_num ? i+1 : this_sv_num; j-- > old_sv_num ;)
|
|
|
|
add_stack_var_conflict (i, j);
|
|
|
|
}
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Prepare for expanding variables. */
|
|
|
|
static void
|
|
|
|
init_vars_expansion (void)
|
|
|
|
{
|
|
|
|
tree t;
|
except.c (dw2_size_of_call_site_table, [...]): Use vector API for call_site_record.
* except.c (dw2_size_of_call_site_table,
sjlj_size_of_call_site_table): Use vector API for call_site_record.
* cgraphbuild.c (build_cgraph_edges): Update.
* tree-pass.h: Update comment.
* final.c (leaf_function_p): Update.
(leaf_renumber_regs): Update.
(rest_of_clean_state): Update.
* omp-low.c (expand_omp_parallel): Update.
* ipa-reference.c (analyze_function): Update.
* reorg.c (find_end_label): Update.
(optimize_skip): Update.
(fill_simple_delay_slots): Update.
(fill_simple_delay_slots): Update.
(make_return_insns): Update.
(dbr_schedule): Update.
* gimple-low.c (record_vars_into): Update.
* cfgbuild.c (make_edges): Update.
* function.c (assign_stack_local): Update.
(assign_parm_adjust_stack_rtl): Update.
(locate_and_pad_parm): Update.
(allocate_struct_function): Do not initialize stack_alignment_needed
and preferred_stack_boundary here.
(stack_protect_prologue): Update.
(stack_protect_epilogue): Update.
(expand_function_start): Initialize stack_alignment_needed,
preferred_stack_boundary and max_jumptable_ents.
(expand_function_end): Update.
(free_after_compilation): Do not NULLify epilogue_delay_list.
* function.h (struct rtl_data): Add stack_protect_guard,
stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list.
(struct function): Remove value_histograms, stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
last_label_uid,
unexpanded_var_list, stack_protect_guard.
(current_function_epilogue_delay_list): Remove.
* ipa-type-escape.c (analyze_function): Update.
* gimplify.c (pop_gimplify_context): Update comment.
* calls.c (expand_call): Update.
(emit_library_call_value_1): Update.
* except.c (set_nothrow_function_flags): Update.
* cfgexpand.c (get_decl_align_unit): Update.
(create_stack_guard): Update.
(estimated_stack_frame_size): Update.
(expand_used_vars): Update.
(tree_expand_cfg): Free histogram earliers, init expansion variables.
* explow.c (allocate_dynamic_stack_space): Update.
* tree-ssa-live.c (remove_unused_locals): Update.
* varasm.c (mark_constant_pool): Update.
* tree-inline.c (remap_decls): Update.
(initialize_cfun): Update.
(declare_return_variable): Update.
(inline_forbidden_p): Update.
(expand_call_inline): Update.
(declare_inline_vars): Update.
(tree_function_versioning): Update.
* tree-flow.h (value_histograms): New.
(VALUE_HISTOGRAMS): New macro.
* basic-block.h (control_flow_graph): Add max_jumptable_ents,
last_label_uid.
* tree-cfg.c (set_bb_for_stmt): Update.
(replace_by_duplicate_decl): Update.
(move_block_to_fn): Update.
(new_label_mapper): Update.
(dump_function_to_file): Update.
* ipa-struct-reorg.c (build_data_structure): Update.
* cfgrtl.c (print_rtl_with_bb): Update.
* reload1.c (reload): Update.
(reload): Update.
* config/i386/i386.c (setup_incoming_varargs_64,
ix86_compute_frame_layout): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
From-SVN: r134425
2008-04-18 07:26:12 +02:00
|
|
|
/* Set TREE_USED on all variables in the local_decls. */
|
|
|
|
for (t = cfun->local_decls; t; t = TREE_CHAIN (t))
|
2006-11-28 11:53:16 +01:00
|
|
|
TREE_USED (TREE_VALUE (t)) = 1;
|
|
|
|
|
|
|
|
/* Clear TREE_USED on all variables associated with a block scope. */
|
|
|
|
clear_tree_used (DECL_INITIAL (current_function_decl));
|
|
|
|
|
|
|
|
/* Initialize local stack smashing state. */
|
|
|
|
has_protected_decls = false;
|
|
|
|
has_short_buffer = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Free up stack variable graph data. */
|
|
|
|
static void
|
|
|
|
fini_vars_expansion (void)
|
|
|
|
{
|
|
|
|
XDELETEVEC (stack_vars);
|
|
|
|
XDELETEVEC (stack_vars_sorted);
|
|
|
|
XDELETEVEC (stack_vars_conflict);
|
|
|
|
stack_vars = NULL;
|
|
|
|
stack_vars_alloc = stack_vars_num = 0;
|
|
|
|
stack_vars_conflict = NULL;
|
|
|
|
stack_vars_conflict_alloc = 0;
|
|
|
|
}
|
|
|
|
|
2009-01-04 01:15:08 +01:00
|
|
|
/* Make a fair guess for the size of the stack frame of the current
|
|
|
|
function. This doesn't have to be exact, the result is only used
|
|
|
|
in the inline heuristics. So we don't want to run the full stack
|
|
|
|
var packing algorithm (which is quadratic in the number of stack
|
|
|
|
vars). Instead, we calculate the total size of all stack vars.
|
|
|
|
This turns out to be a pretty fair estimate -- packing of stack
|
|
|
|
vars doesn't happen very often. */
|
|
|
|
|
2006-11-28 11:53:16 +01:00
|
|
|
HOST_WIDE_INT
|
|
|
|
estimated_stack_frame_size (void)
|
|
|
|
{
|
|
|
|
HOST_WIDE_INT size = 0;
|
2009-01-04 01:15:08 +01:00
|
|
|
size_t i;
|
2006-11-28 11:53:16 +01:00
|
|
|
tree t, outer_block = DECL_INITIAL (current_function_decl);
|
|
|
|
|
|
|
|
init_vars_expansion ();
|
|
|
|
|
except.c (dw2_size_of_call_site_table, [...]): Use vector API for call_site_record.
* except.c (dw2_size_of_call_site_table,
sjlj_size_of_call_site_table): Use vector API for call_site_record.
* cgraphbuild.c (build_cgraph_edges): Update.
* tree-pass.h: Update comment.
* final.c (leaf_function_p): Update.
(leaf_renumber_regs): Update.
(rest_of_clean_state): Update.
* omp-low.c (expand_omp_parallel): Update.
* ipa-reference.c (analyze_function): Update.
* reorg.c (find_end_label): Update.
(optimize_skip): Update.
(fill_simple_delay_slots): Update.
(fill_simple_delay_slots): Update.
(make_return_insns): Update.
(dbr_schedule): Update.
* gimple-low.c (record_vars_into): Update.
* cfgbuild.c (make_edges): Update.
* function.c (assign_stack_local): Update.
(assign_parm_adjust_stack_rtl): Update.
(locate_and_pad_parm): Update.
(allocate_struct_function): Do not initialize stack_alignment_needed
and preferred_stack_boundary here.
(stack_protect_prologue): Update.
(stack_protect_epilogue): Update.
(expand_function_start): Initialize stack_alignment_needed,
preferred_stack_boundary and max_jumptable_ents.
(expand_function_end): Update.
(free_after_compilation): Do not NULLify epilogue_delay_list.
* function.h (struct rtl_data): Add stack_protect_guard,
stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list.
(struct function): Remove value_histograms, stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
last_label_uid,
unexpanded_var_list, stack_protect_guard.
(current_function_epilogue_delay_list): Remove.
* ipa-type-escape.c (analyze_function): Update.
* gimplify.c (pop_gimplify_context): Update comment.
* calls.c (expand_call): Update.
(emit_library_call_value_1): Update.
* except.c (set_nothrow_function_flags): Update.
* cfgexpand.c (get_decl_align_unit): Update.
(create_stack_guard): Update.
(estimated_stack_frame_size): Update.
(expand_used_vars): Update.
(tree_expand_cfg): Free histogram earliers, init expansion variables.
* explow.c (allocate_dynamic_stack_space): Update.
* tree-ssa-live.c (remove_unused_locals): Update.
* varasm.c (mark_constant_pool): Update.
* tree-inline.c (remap_decls): Update.
(initialize_cfun): Update.
(declare_return_variable): Update.
(inline_forbidden_p): Update.
(expand_call_inline): Update.
(declare_inline_vars): Update.
(tree_function_versioning): Update.
* tree-flow.h (value_histograms): New.
(VALUE_HISTOGRAMS): New macro.
* basic-block.h (control_flow_graph): Add max_jumptable_ents,
last_label_uid.
* tree-cfg.c (set_bb_for_stmt): Update.
(replace_by_duplicate_decl): Update.
(move_block_to_fn): Update.
(new_label_mapper): Update.
(dump_function_to_file): Update.
* ipa-struct-reorg.c (build_data_structure): Update.
* cfgrtl.c (print_rtl_with_bb): Update.
* reload1.c (reload): Update.
(reload): Update.
* config/i386/i386.c (setup_incoming_varargs_64,
ix86_compute_frame_layout): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
From-SVN: r134425
2008-04-18 07:26:12 +02:00
|
|
|
for (t = cfun->local_decls; t; t = TREE_CHAIN (t))
|
2006-11-28 11:53:16 +01:00
|
|
|
{
|
|
|
|
tree var = TREE_VALUE (t);
|
|
|
|
|
|
|
|
if (TREE_USED (var))
|
|
|
|
size += expand_one_var (var, true, false);
|
|
|
|
TREE_USED (var) = 1;
|
|
|
|
}
|
|
|
|
size += account_used_vars_for_block (outer_block, true);
|
2009-01-04 01:15:08 +01:00
|
|
|
|
2006-11-28 11:53:16 +01:00
|
|
|
if (stack_vars_num > 0)
|
|
|
|
{
|
2009-01-04 01:15:08 +01:00
|
|
|
/* Fake sorting the stack vars for account_stack_vars (). */
|
|
|
|
stack_vars_sorted = XNEWVEC (size_t, stack_vars_num);
|
|
|
|
for (i = 0; i < stack_vars_num; ++i)
|
|
|
|
stack_vars_sorted[i] = i;
|
2006-11-28 11:53:16 +01:00
|
|
|
size += account_stack_vars ();
|
|
|
|
fini_vars_expansion ();
|
|
|
|
}
|
2009-01-04 01:15:08 +01:00
|
|
|
|
2006-11-28 11:53:16 +01:00
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
/* Expand all variables used in the function. */
|
2004-07-22 04:48:27 +02:00
|
|
|
|
|
|
|
static void
|
|
|
|
expand_used_vars (void)
|
|
|
|
{
|
2008-09-18 17:17:10 +02:00
|
|
|
tree t, next, outer_block = DECL_INITIAL (current_function_decl);
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
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unsigned i;
|
2004-07-22 04:48:27 +02:00
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|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
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/* Compute the phase of the stack frame for this function. */
|
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|
|
{
|
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|
|
int align = PREFERRED_STACK_BOUNDARY / BITS_PER_UNIT;
|
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|
int off = STARTING_FRAME_OFFSET % align;
|
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|
frame_phase = off ? align - off : 0;
|
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|
}
|
2004-07-22 04:48:27 +02:00
|
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|
2006-11-28 11:53:16 +01:00
|
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init_vars_expansion ();
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
for (i = 0; i < SA.map->num_partitions; i++)
|
|
|
|
{
|
|
|
|
tree var = partition_to_var (SA.map, i);
|
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|
|
|
|
|
|
gcc_assert (is_gimple_reg (var));
|
|
|
|
if (TREE_CODE (SSA_NAME_VAR (var)) == VAR_DECL)
|
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|
|
expand_one_var (var, true, true);
|
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else
|
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|
|
{
|
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|
/* This is a PARM_DECL or RESULT_DECL. For those partitions that
|
|
|
|
contain the default def (representing the parm or result itself)
|
|
|
|
we don't do anything here. But those which don't contain the
|
|
|
|
default def (representing a temporary based on the parm/result)
|
|
|
|
we need to allocate space just like for normal VAR_DECLs. */
|
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|
|
if (!bitmap_bit_p (SA.partition_has_default_def, i))
|
|
|
|
{
|
|
|
|
expand_one_var (var, true, true);
|
|
|
|
gcc_assert (SA.partition_to_pseudo[i]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
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|
except.c (dw2_size_of_call_site_table, [...]): Use vector API for call_site_record.
* except.c (dw2_size_of_call_site_table,
sjlj_size_of_call_site_table): Use vector API for call_site_record.
* cgraphbuild.c (build_cgraph_edges): Update.
* tree-pass.h: Update comment.
* final.c (leaf_function_p): Update.
(leaf_renumber_regs): Update.
(rest_of_clean_state): Update.
* omp-low.c (expand_omp_parallel): Update.
* ipa-reference.c (analyze_function): Update.
* reorg.c (find_end_label): Update.
(optimize_skip): Update.
(fill_simple_delay_slots): Update.
(fill_simple_delay_slots): Update.
(make_return_insns): Update.
(dbr_schedule): Update.
* gimple-low.c (record_vars_into): Update.
* cfgbuild.c (make_edges): Update.
* function.c (assign_stack_local): Update.
(assign_parm_adjust_stack_rtl): Update.
(locate_and_pad_parm): Update.
(allocate_struct_function): Do not initialize stack_alignment_needed
and preferred_stack_boundary here.
(stack_protect_prologue): Update.
(stack_protect_epilogue): Update.
(expand_function_start): Initialize stack_alignment_needed,
preferred_stack_boundary and max_jumptable_ents.
(expand_function_end): Update.
(free_after_compilation): Do not NULLify epilogue_delay_list.
* function.h (struct rtl_data): Add stack_protect_guard,
stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list.
(struct function): Remove value_histograms, stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
last_label_uid,
unexpanded_var_list, stack_protect_guard.
(current_function_epilogue_delay_list): Remove.
* ipa-type-escape.c (analyze_function): Update.
* gimplify.c (pop_gimplify_context): Update comment.
* calls.c (expand_call): Update.
(emit_library_call_value_1): Update.
* except.c (set_nothrow_function_flags): Update.
* cfgexpand.c (get_decl_align_unit): Update.
(create_stack_guard): Update.
(estimated_stack_frame_size): Update.
(expand_used_vars): Update.
(tree_expand_cfg): Free histogram earliers, init expansion variables.
* explow.c (allocate_dynamic_stack_space): Update.
* tree-ssa-live.c (remove_unused_locals): Update.
* varasm.c (mark_constant_pool): Update.
* tree-inline.c (remap_decls): Update.
(initialize_cfun): Update.
(declare_return_variable): Update.
(inline_forbidden_p): Update.
(expand_call_inline): Update.
(declare_inline_vars): Update.
(tree_function_versioning): Update.
* tree-flow.h (value_histograms): New.
(VALUE_HISTOGRAMS): New macro.
* basic-block.h (control_flow_graph): Add max_jumptable_ents,
last_label_uid.
* tree-cfg.c (set_bb_for_stmt): Update.
(replace_by_duplicate_decl): Update.
(move_block_to_fn): Update.
(new_label_mapper): Update.
(dump_function_to_file): Update.
* ipa-struct-reorg.c (build_data_structure): Update.
* cfgrtl.c (print_rtl_with_bb): Update.
* reload1.c (reload): Update.
(reload): Update.
* config/i386/i386.c (setup_incoming_varargs_64,
ix86_compute_frame_layout): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
From-SVN: r134425
2008-04-18 07:26:12 +02:00
|
|
|
/* At this point all variables on the local_decls with TREE_USED
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
set are not associated with any block scope. Lay them out. */
|
2008-09-18 17:17:10 +02:00
|
|
|
t = cfun->local_decls;
|
|
|
|
cfun->local_decls = NULL_TREE;
|
|
|
|
for (; t; t = next)
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
{
|
|
|
|
tree var = TREE_VALUE (t);
|
|
|
|
bool expand_now = false;
|
|
|
|
|
2008-09-18 17:17:10 +02:00
|
|
|
next = TREE_CHAIN (t);
|
|
|
|
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
/* Expanded above already. */
|
|
|
|
if (is_gimple_reg (var))
|
2009-06-08 13:37:12 +02:00
|
|
|
{
|
|
|
|
TREE_USED (var) = 0;
|
|
|
|
ggc_free (t);
|
|
|
|
continue;
|
|
|
|
}
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
/* We didn't set a block for static or extern because it's hard
|
|
|
|
to tell the difference between a global variable (re)declared
|
|
|
|
in a local scope, and one that's really declared there to
|
|
|
|
begin with. And it doesn't really matter much, since we're
|
|
|
|
not giving them stack space. Expand them now. */
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
else if (TREE_STATIC (var) || DECL_EXTERNAL (var))
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
expand_now = true;
|
|
|
|
|
|
|
|
/* If the variable is not associated with any block, then it
|
|
|
|
was created by the optimizers, and could be live anywhere
|
|
|
|
in the function. */
|
|
|
|
else if (TREE_USED (var))
|
|
|
|
expand_now = true;
|
|
|
|
|
|
|
|
/* Finally, mark all variables on the list as used. We'll use
|
|
|
|
this in a moment when we expand those associated with scopes. */
|
|
|
|
TREE_USED (var) = 1;
|
|
|
|
|
|
|
|
if (expand_now)
|
2008-09-18 17:17:10 +02:00
|
|
|
{
|
|
|
|
expand_one_var (var, true, true);
|
|
|
|
if (DECL_ARTIFICIAL (var) && !DECL_IGNORED_P (var))
|
|
|
|
{
|
|
|
|
rtx rtl = DECL_RTL_IF_SET (var);
|
|
|
|
|
|
|
|
/* Keep artificial non-ignored vars in cfun->local_decls
|
|
|
|
chain until instantiate_decls. */
|
|
|
|
if (rtl && (MEM_P (rtl) || GET_CODE (rtl) == CONCAT))
|
|
|
|
{
|
|
|
|
TREE_CHAIN (t) = cfun->local_decls;
|
|
|
|
cfun->local_decls = t;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
ggc_free (t);
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* At this point, all variables within the block tree with TREE_USED
|
|
|
|
set are actually used by the optimized function. Lay them out. */
|
|
|
|
expand_used_vars_for_block (outer_block, true);
|
|
|
|
|
|
|
|
if (stack_vars_num > 0)
|
|
|
|
{
|
|
|
|
/* Due to the way alias sets work, no variables with non-conflicting
|
2006-05-19 00:16:23 +02:00
|
|
|
alias sets may be assigned the same address. Add conflicts to
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
reflect this. */
|
|
|
|
add_alias_set_conflicts ();
|
|
|
|
|
2006-05-19 00:16:23 +02:00
|
|
|
/* If stack protection is enabled, we don't share space between
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
vulnerable data and non-vulnerable data. */
|
|
|
|
if (flag_stack_protect)
|
|
|
|
add_stack_protection_conflicts ();
|
|
|
|
|
2006-05-19 00:16:23 +02:00
|
|
|
/* Now that we have collected all stack variables, and have computed a
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
minimal interference graph, attempt to save some stack space. */
|
|
|
|
partition_stack_vars ();
|
|
|
|
if (dump_file)
|
|
|
|
dump_stack_var_partition ();
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* There are several conditions under which we should create a
|
|
|
|
stack guard: protect-all, alloca used, protected decls present. */
|
|
|
|
if (flag_stack_protect == 2
|
|
|
|
|| (flag_stack_protect
|
re PR testsuite/35843 (-fdump-rtl-expand does not exist anymore)
PR testsuite/35843
* cfgexpand.c (pass_expand): Turn into RTL pass.
* passes.c (execute_one_pass): Do pass typechecking after execution.
* tree-pass.h (pass_expand): Turn into RTL pass.
* function.h (struct rtl_data): Move here fields
accesses_prior_frames, calls_eh_return, saves_all_registers,
has_nonlocal_goto, has_asm_statement, is_thunk,
all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
arg_pointer_save_area_init from struct function; turn into bool.
(struct function): Move
calls_eh_return, saves_all_registers, has_nonlocal_goto,
has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
tail_call_emit, arg_pointer_save_area_init
into struct rtl_data. Remove recursive_call_emit and gimplified flags.
(current_function_returns_struct, current_function_returns_pcc_struct,
current_function_calls_setjmp, current_function_calls_alloca,
current_function_accesses_prior_frames,
current_function_calls_eh_return, current_function_is_thunk,
current_function_stdarg, current_function_profile,
current_function_limit_stack, current_function_uses_pic_offset_table,
current_function_uses_const_pool, current_function_has_nonlocal_label,
current_function_saves_all_registers,
current_function_has_nonlocal_goto,
current_function_has_asm_statement): Remove accesor macros.
* ra-conflict.c (global_conflicts): Update.
* tree-tailcall.c (suitable_for_tail_opt_p): Update.
(suitable_for_tail_call_opt_p): Update.
* builtins.c (expand_builtin_return_addr): Update.
(expand_builtin_setjmp_setup): Update.
(expand_builtin_nonlocal_goto): Update.
* final.c (final_start_function): Update.
(profile_function): Update.
(leaf_function_p): Update.
(only_leaf_regs_used): Update.
* df-scan.c (df_get_exit_block_use_set): Update.
* dojump.c (clear_pending_stack_adjust): Update.
* tree-stdarg.c (gate_optimize_stdarg): Update.
* gimple-low.c (lower_function_body): Update.
* global.c (compute_regsets): Update.
(global_alloc): Update.
* dwarf2out.c (dwarf2out_begin_prologue): Update.
* expr.c (expand_assignment): Update.
* dse.c (dse_step0): Update.
(dse_step1): Update.
* c-decl.c (store_parm_decls): Update.
* local-alloc.c (combine_regs): Update.
(find_free_reg): Update.
* function.c (assign_parms_augmented_arg_list): Update.
(assign_parm_find_data_types): Update.
(assign_parms): Update.
(allocate_struct_function): Update.
(expand_function_start): Update.
(expand_function_end): Update.
(get_arg_pointer_save_area): Update.
(thread_prologue_and_epilogue_insns): Update.
(rest_of_match_asm_constraints): Update.
* stor-layout.c (variable_size): Update.
* gcse.c (gcse_main): Update.
(bypass_jumps): Update.
* gimplify.c (gimplify_function_tree): Update.
* calls.c (emit_call_1): Update.
(expand_call): Update.
* bt-load.c (compute_defs_uses_and_gen): Update.
* except.c (sjlj_assign_call_site_values): Update.
(sjlj_emit_function_enter): Update.
(can_throw_external): Update.
(set_nothrow_function_flags): Update.
(expand_builtin_unwind_init): Update.
(expand_eh_return): Update.
(convert_to_eh_region_ranges): Update.
(output_function_exception_table): Update.
* emit-rtl.c (gen_tmp_stack_mem): Update.
* cfgexpand.c (expand_used_vars): Update.
(tree_expand_cfg): Update.
* cfgcleanup.c (rest_of_handle_jump): Update.
* explow.c (allocate_dynamic_stack_space): Update.
* varasm.c (assemble_start_function): Update.
(force_const_mem): Update.
(mark_constant_pool): Update.
* tree-optimize.c (tree_rest_of_compilation): Update.
* stack-ptr-mod.c (notice_stack_pointer_modification): Update.
* tree-cfg.c (notice_special_calls): Update.
(is_ctrl_altering_stmt): Update.
(tree_can_make_abnormal_goto): Update.
(tree_purge_dead_abnormal_call_edges): Update.
* config/alpha/predicates.md: Update.
* config/alpha/alpha.c (alpha_sa_mask): Update.
(alpha_sa_size): Update.
(alpha_does_function_need_gp): Update.
(alpha_expand_prologue): Update.
(alpha_start_function): Update.
(alpha_output_function_end_prologue): Update.
(alpha_expand_epilogue): Update.
* config/frv/frv.c (frv_stack_info): Update.
(frv_expand_epilogue): Update.
* config/s390/s390.c (s390_regs_ever_clobbered): Update.
(s390_register_info): Update.
(s390_frame_info): Update.
(s390_init_frame_layout): Update.
(s390_can_eliminate): Update.
(save_gprs): Update.
* config/spu/spu.c (spu_split_immediate): Update.
(need_to_save_reg): Update.
(spu_expand_prologue): Update.
(spu_expand_epilogue): Update.
* config/sparc/sparc.md: Update.
* config/sparc/sparc.c (eligible_for_return_delay): Update.
(sparc_tls_got): Update.
(legitimize_pic_address): Update.
(sparc_emit_call_insn): Update.
(sparc_expand_prologue): Update.
(output_return): Update.
(print_operand): Update.
(sparc_function_ok_for_sibcall): Update.
* config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
* config/m32r/m32r.md: Update.
* config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
(m32r_compute_frame_size): Update.
(m32r_expand_prologue): Update.
(m32r_expand_epilogue): Update.
(m32r_legitimize_pic_address): Update.
* config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
* config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
* config/i386/i386.c (ix86_frame_pointer_required): Update.
(gen_push): Update.
(ix86_save_reg): Update.
(ix86_compute_frame_layout): Update.
(ix86_expand_prologue): Update.
(ix86_expand_epilogue): Update.
* config/sh/sh.c (output_stack_adjust): Update.
(calc_live_regs): Update.
(sh5_schedule_saves): Update.
(sh_expand_prologue): Update.
(sh_expand_epilogue): Update.
(sh_setup_incoming_varargs): Update.
(sh_allocate_initial_value): Update.
(sh_get_pr_initial_val): Update.
* config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
* config/sh/sh.md (label:): Update.
* config/avr/avr.c (out_movhi_mr_r): Update.
* config/crx/crx.h (enum): Update.
* config/xtensa/xtensa.h (along): Update.
* config/stormy16/stormy16.c Update.
(xstormy16_compute_stack_layout): Update.
* config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
(fr30_expand_prologue): Update.
* config/cris/cris.c (cris_conditional_register_usage): Update.
(cris_reg_saved_in_regsave_area): Update.
(cris_initial_frame_pointer_offset): Update.
(cris_simple_epilogue): Update.
(cris_expand_prologue): Update.
(cris_expand_epilogue): Update.
(cris_expand_pic_call_address): Update.
(cris_asm_output_symbol_ref): Update.
(cris_asm_output_label_ref): Update.
* config/cris/cris.md Update.
* config/iq2000/iq2000.c (compute_frame_size): Update.
(iq2000_expand_epilogue): Update.
* config/mt/mt.h (save_direction): Update.
* config/mn10300/mn10300.c (mn10300_function_value): Update.
* config/ia64/ia64.c (ia64_compute_frame_size): Update.
(ia64_secondary_reload_class): Update.
* config/m68k/m68k.c (m68k_save_reg): Update.
(m68k_expand_prologue): Update.
(m68k_expand_epilogue): Update.
(legitimize_pic_address): Update.
* config/rs6000/rs6000.c (rs6000_got_register): Update.
(first_reg_to_save): Update.
(first_altivec_reg_to_save): Update.
(compute_vrsave_mask): Update.
(compute_save_world_info): Update.
(rs6000_stack_info): Update.
(spe_func_has_64bit_regs_p): Update.
(rs6000_ra_ever_killed): Update.
(rs6000_emit_eh_reg_restore): Update.
(rs6000_emit_allocate_stack): Update.
(rs6000_emit_prologue): Update.
(rs6000_emit_epilogue): Update.
(rs6000_output_function_epilogue): Update.
(output_profile_hook): Update.
(rs6000_elf_declare_function_name): Update.
* config/rs6000/rs6000.h (rs6000_args): Update.
* config/rs6000/rs6000.md: Update.
* config/mcore/mcore.c (mcore_expand_prolog): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
* config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
* config/darwin.c (machopic_function_base_name): Update.
* config/score/score3.c (score3_compute_frame_size): Update.
(rpush): Update.
(rpop): Update.
(score3_epilogue): Update.
* config/score/score7.c (score7_compute_frame_size): Update.
(score7_prologue): Update.
(score7_epilogue): Update.
* config/score/score.h (FRAME_POINTER_REQUIRED): Update.
* config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
* config/arm/arm.c (use_return_insn): Update.
(require_pic_register): Update.
(arm_load_pic_register): Update.
(arm_compute_save_reg0_reg12_mask): Update.
(arm_compute_save_reg_mask): Update.
(thumb1_compute_save_reg_mask): Update.
(output_return_instruction): Update.
(arm_output_function_prologue): Update.
(arm_output_epilogue): Update.
(arm_get_frame_offsets): Update.
(arm_expand_prologue): Update.
(thumb_pushpop): Update.
(thumb_exit): Update.
(thumb1_expand_prologue): Update.
(thumb1_expand_epilogue): Update.
(arm_unwind_emit): Update.
(arm_output_fn_unwind): Update.
* config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
* config/arm/arm.md: Update.
* config/pa/pa.md: Update.
* config/pa/pa.c (legitimize_pic_address): Update.
(compute_frame_size): Update.
(hppa_expand_prologue): Update.
(hppa_expand_epilogue): Update.
(borx_reg_operand): Update.
* config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
(HARD_REGNO_RENAME_OK): Update.
* config/mips/mips.c (mips_global_pointer): Update.
(mips_save_reg_p): Update.
(mips_compute_frame_info): Update.
(mips_frame_pointer_required): Update.
(mips_expand_prologue): Update.
(mips_expand_epilogue): Update.
(mips_can_use_return_insn): Update.
(mips_reorg_process_insns): Update.
* config/v850/v850.c (compute_register_save_size): Update.
* config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
* config/mmix/mmix.c (along): Update.
(mmix_expand_epilogue): Update.
* config/bfin/bfin.c (legitimize_pic_address): Update.
(must_save_p): Update.
(stack_frame_needed_p): Update.
(add_to_reg): Update.
(bfin_expand_prologue): Update.
* stmt.c (expand_asm_operands): Update.
* reload1.c (reload): Update.
(init_elim_table): Update.
From-SVN: r134682
2008-04-26 01:14:40 +02:00
|
|
|
&& (cfun->calls_alloca || has_protected_decls)))
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
create_stack_guard ();
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
/* Assign rtl to each variable based on these partitions. */
|
|
|
|
if (stack_vars_num > 0)
|
|
|
|
{
|
|
|
|
/* Reorder decls to be protected by iterating over the variables
|
|
|
|
array multiple times, and allocating out of each phase in turn. */
|
2006-05-19 00:16:23 +02:00
|
|
|
/* ??? We could probably integrate this into the qsort we did
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
earlier, such that we naturally see these variables first,
|
|
|
|
and thus naturally allocate things in the right order. */
|
|
|
|
if (has_protected_decls)
|
|
|
|
{
|
|
|
|
/* Phase 1 contains only character arrays. */
|
|
|
|
expand_stack_vars (stack_protect_decl_phase_1);
|
|
|
|
|
|
|
|
/* Phase 2 contains other kinds of arrays. */
|
|
|
|
if (flag_stack_protect == 2)
|
|
|
|
expand_stack_vars (stack_protect_decl_phase_2);
|
|
|
|
}
|
|
|
|
|
|
|
|
expand_stack_vars (NULL);
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
|
2006-11-28 11:53:16 +01:00
|
|
|
fini_vars_expansion ();
|
re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)
PR middle-end/9997
* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
(STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
resize_stack_vars_conflict, add_stack_var_conflict,
stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
union_stack_vars, partition_stack_vars, dump_stack_var_partition,
expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
expand_one_static_var, expand_one_hard_reg_var,
expand_one_register_var, expand_one_error_var, defer_stack_allocation,
expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
(expand_used_vars): Rewrite.
* Makefile.in (cfgexpand.o): Update dependencies.
From-SVN: r87064
2004-09-04 01:50:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* If the target requires that FRAME_OFFSET be aligned, do it. */
|
|
|
|
if (STACK_ALIGNMENT_NEEDED)
|
|
|
|
{
|
|
|
|
HOST_WIDE_INT align = PREFERRED_STACK_BOUNDARY / BITS_PER_UNIT;
|
|
|
|
if (!FRAME_GROWS_DOWNWARD)
|
|
|
|
frame_offset += align - 1;
|
|
|
|
frame_offset &= -align;
|
|
|
|
}
|
2004-07-22 04:48:27 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-10-09 00:56:55 +02:00
|
|
|
/* If we need to produce a detailed dump, print the tree representation
|
|
|
|
for STMT to the dump file. SINCE is the last RTX after which the RTL
|
|
|
|
generated for STMT should have been appended. */
|
|
|
|
|
|
|
|
static void
|
2008-07-28 16:33:56 +02:00
|
|
|
maybe_dump_rtl_for_gimple_stmt (gimple stmt, rtx since)
|
2004-10-09 00:56:55 +02:00
|
|
|
{
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
{
|
|
|
|
fprintf (dump_file, "\n;; ");
|
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
|
|
|
print_gimple_stmt (dump_file, stmt, 0,
|
|
|
|
TDF_SLIM | (dump_flags & TDF_LINENO));
|
2004-10-09 00:56:55 +02:00
|
|
|
fprintf (dump_file, "\n");
|
|
|
|
|
|
|
|
print_rtl (dump_file, since ? NEXT_INSN (since) : since);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2007-05-01 12:17:43 +02:00
|
|
|
/* Maps the blocks that do not contain tree labels to rtx labels. */
|
|
|
|
|
|
|
|
static struct pointer_map_t *lab_rtx_for_bb;
|
|
|
|
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
/* Returns the label_rtx expression for a label starting basic block BB. */
|
|
|
|
|
|
|
|
static rtx
|
2008-07-28 16:33:56 +02:00
|
|
|
label_rtx_for_bb (basic_block bb ATTRIBUTE_UNUSED)
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
{
|
2008-07-28 16:33:56 +02:00
|
|
|
gimple_stmt_iterator gsi;
|
|
|
|
tree lab;
|
|
|
|
gimple lab_stmt;
|
2007-05-01 12:17:43 +02:00
|
|
|
void **elt;
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
|
|
|
|
if (bb->flags & BB_RTL)
|
|
|
|
return block_label (bb);
|
|
|
|
|
2007-05-01 12:17:43 +02:00
|
|
|
elt = pointer_map_contains (lab_rtx_for_bb, bb);
|
|
|
|
if (elt)
|
2007-06-05 17:41:04 +02:00
|
|
|
return (rtx) *elt;
|
2007-05-01 12:17:43 +02:00
|
|
|
|
|
|
|
/* Find the tree label if it is present. */
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
{
|
2008-07-28 16:33:56 +02:00
|
|
|
lab_stmt = gsi_stmt (gsi);
|
|
|
|
if (gimple_code (lab_stmt) != GIMPLE_LABEL)
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
break;
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
lab = gimple_label_label (lab_stmt);
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
if (DECL_NONLOCAL (lab))
|
|
|
|
break;
|
|
|
|
|
|
|
|
return label_rtx (lab);
|
|
|
|
}
|
|
|
|
|
2007-05-01 12:17:43 +02:00
|
|
|
elt = pointer_map_insert (lab_rtx_for_bb, bb);
|
|
|
|
*elt = gen_label_rtx ();
|
2007-06-05 17:41:04 +02:00
|
|
|
return (rtx) *elt;
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
}
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
|
2009-05-06 18:49:13 +02:00
|
|
|
/* A subroutine of expand_gimple_cond. Given E, a fallthrough edge
|
|
|
|
of a basic block where we just expanded the conditional at the end,
|
|
|
|
possibly clean up the CFG and instruction sequence. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
maybe_cleanup_end_of_block (edge e)
|
|
|
|
{
|
|
|
|
/* Special case: when jumpif decides that the condition is
|
|
|
|
trivial it emits an unconditional jump (and the necessary
|
|
|
|
barrier). But we still have two edges, the fallthru one is
|
|
|
|
wrong. purge_dead_edges would clean this up later. Unfortunately
|
|
|
|
we have to insert insns (and split edges) before
|
|
|
|
find_many_sub_basic_blocks and hence before purge_dead_edges.
|
|
|
|
But splitting edges might create new blocks which depend on the
|
|
|
|
fact that if there are two edges there's no barrier. So the
|
|
|
|
barrier would get lost and verify_flow_info would ICE. Instead
|
|
|
|
of auditing all edge splitters to care for the barrier (which
|
|
|
|
normally isn't there in a cleaned CFG), fix it here. */
|
|
|
|
if (BARRIER_P (get_last_insn ()))
|
|
|
|
{
|
|
|
|
basic_block bb = e->src;
|
|
|
|
rtx insn;
|
|
|
|
remove_edge (e);
|
|
|
|
/* Now, we have a single successor block, if we have insns to
|
|
|
|
insert on the remaining edge we potentially will insert
|
|
|
|
it at the end of this block (if the dest block isn't feasible)
|
|
|
|
in order to avoid splitting the edge. This insertion will take
|
|
|
|
place in front of the last jump. But we might have emitted
|
|
|
|
multiple jumps (conditional and one unconditional) to the
|
|
|
|
same destination. Inserting in front of the last one then
|
|
|
|
is a problem. See PR 40021. We fix this by deleting all
|
|
|
|
jumps except the last unconditional one. */
|
|
|
|
insn = PREV_INSN (get_last_insn ());
|
|
|
|
/* Make sure we have an unconditional jump. Otherwise we're
|
|
|
|
confused. */
|
|
|
|
gcc_assert (JUMP_P (insn) && !any_condjump_p (insn));
|
|
|
|
for (insn = PREV_INSN (insn); insn != BB_HEAD (bb);)
|
|
|
|
{
|
|
|
|
insn = PREV_INSN (insn);
|
|
|
|
if (JUMP_P (NEXT_INSN (insn)))
|
|
|
|
delete_insn (NEXT_INSN (insn));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
/* A subroutine of expand_gimple_basic_block. Expand one GIMPLE_COND.
|
2004-07-21 04:03:28 +02:00
|
|
|
Returns a new basic block if we've terminated the current basic
|
|
|
|
block and created a new one. */
|
|
|
|
|
|
|
|
static basic_block
|
2008-07-28 16:33:56 +02:00
|
|
|
expand_gimple_cond (basic_block bb, gimple stmt)
|
2004-07-21 04:03:28 +02:00
|
|
|
{
|
|
|
|
basic_block new_bb, dest;
|
|
|
|
edge new_edge;
|
|
|
|
edge true_edge;
|
|
|
|
edge false_edge;
|
2008-07-28 16:33:56 +02:00
|
|
|
tree pred = gimple_cond_pred_to_tree (stmt);
|
2004-10-09 00:56:55 +02:00
|
|
|
rtx last2, last;
|
|
|
|
|
|
|
|
last2 = last = get_last_insn ();
|
2004-07-21 04:03:28 +02:00
|
|
|
|
|
|
|
extract_true_false_edges_from_block (bb, &true_edge, &false_edge);
|
2008-07-28 16:33:56 +02:00
|
|
|
if (gimple_has_location (stmt))
|
2004-07-21 04:03:28 +02:00
|
|
|
{
|
2008-07-28 16:33:56 +02:00
|
|
|
set_curr_insn_source_location (gimple_location (stmt));
|
|
|
|
set_curr_insn_block (gimple_block (stmt));
|
2004-07-21 04:03:28 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* These flags have no purpose in RTL land. */
|
|
|
|
true_edge->flags &= ~EDGE_TRUE_VALUE;
|
|
|
|
false_edge->flags &= ~EDGE_FALSE_VALUE;
|
|
|
|
|
|
|
|
/* We can either have a pure conditional jump with one fallthru edge or
|
|
|
|
two-way jump that needs to be decomposed into two basic blocks. */
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
if (false_edge->dest == bb->next_bb)
|
2004-07-21 04:03:28 +02:00
|
|
|
{
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
jumpif (pred, label_rtx_for_bb (true_edge->dest));
|
tree-vrp.c (execute_vrp): Do not pass dump argument to.
* tree-vrp.c (execute_vrp): Do not pass dump argument to.
loop_optimizer_init and loop_optimizer_finalize
* tree-ssa-sink.c (execute_sink_code): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
tree_ssa_loop_done): Ditto.
* tree-ssa-pre.c (init_pre, fini_pre): Ditto.
* sched-ebb.c: Include output.h.
(schedule_ebbs): Do not use dump argument.
* value-prof.h (struct profile_hooks): Remove profile_dump_file.
* loop.c (loop_dump_stream): Removed.
(loop_optimize, rest_of_handle_loop_optimize): Do not use dump
argument.
(scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
loop_iterations, strength_reduce, record_biv, record_giv,
final_giv_value, check_final_value, check_ext_dependent_givs,
combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
dump_file instead of loop_dump_stream.
* ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
argument dump_file.
* reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
dump argument.
* flow.c (life_analysis, rest_of_handle_life): Ditto.
* haifa-sched.c: Include output.h
(schedule_insns, sched_init): Do not use dump argument.
* mode-switching.c (optimize_mode_switching): Ditto.
* modulo-sched.c (stats_file): Removed.
(print_node_sched_params): Do not call argument dump_file.
(sms_schedule_by_order, loop_canon_p, sms_schedule,
rest_of_handle_sms): Do not use dump argument. Use dump_file instead
of stats_file.
* cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
use dump argument.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
rtl_loop_init, rtl_loop_done): Ditto.
* global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
* predict.c (combine_predictions_for_bb, tree_estimate_probability):
Ditto.
* recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
* lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
* regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
* emit-rtl.c (renumber_insns): Ditto.
* cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
expand_gimple_basic_block, tree_expand_cfg): Ditto.
* regclass.c (regclass): Ditto.
* tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
remove_ssa_form, rewrite_out_of_ssa): Ditto.
* reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
Ditto.
* sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
* local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
to regclass.
* gcse.c (gcse_file, debug_stderr): Removed.
(gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
rest_of_handle_gcse): Do not use dump argument.
(cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
compute_code_hoist_vbeinout, compute_code_hoist_data,
one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
compute_store_table, build_store_vectors, insert_insn_start_bb,
insert_store, remove_reachable_equiv_notes, replace_store_insn,
store_motion): Use dump_file instead of gcse_file.
* ipa-type-escape.c (type_escape_execute): Remove debugging comments.
* profile.c (profile_dump_file): Removed.
(branch_prob): Use dump_file instead of profile_dump_file.
* ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
dump_file.
* tree-ssa-copy.c (dump_copy_of): Ditto.
* rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
dump file to life_analysis.
* bt-load.c (branch_target_load_optimize): Ditto.
* cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
renumber_insns.
* rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
regclass, dbr_schedule): Declaration changed.
* sched-int.h (sched_init): Declaration changed.
* tree-profile.c (tree_profile_dump_file): Removed.
(tree_profile_hooks): Removed profile_dump_file hook.
* rtl-profile (rtl_profile_dump_file): Removed.
(rtl_profile_hooks): emoved profile_dump_file hook.
* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
changed.
* c-gimplify.c (c_genericize): Do not call local variable dump_file.
* tree-cfg.c (build_tree_cfg): Ditto.
* Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
* basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
Declaration changed.
* config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
life_analysis and schedule_insns.
* config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
life_analysis.
* config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
dbr_schedule.
* config/mips/mips.c (mips_reorg): Ditto.
* config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
schedule_ebbs.
From-SVN: r110656
2006-02-06 19:20:47 +01:00
|
|
|
add_reg_br_prob_note (last, true_edge->probability);
|
2008-07-28 16:33:56 +02:00
|
|
|
maybe_dump_rtl_for_gimple_stmt (stmt, last);
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
if (true_edge->goto_locus)
|
2008-10-07 20:48:40 +02:00
|
|
|
{
|
|
|
|
set_curr_insn_source_location (true_edge->goto_locus);
|
|
|
|
set_curr_insn_block (true_edge->goto_block);
|
|
|
|
true_edge->goto_locus = curr_insn_locator ();
|
|
|
|
}
|
|
|
|
true_edge->goto_block = NULL;
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
false_edge->flags |= EDGE_FALLTHRU;
|
2008-07-28 16:33:56 +02:00
|
|
|
ggc_free (pred);
|
2009-05-06 18:49:13 +02:00
|
|
|
maybe_cleanup_end_of_block (false_edge);
|
2004-07-21 04:03:28 +02:00
|
|
|
return NULL;
|
|
|
|
}
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
if (true_edge->dest == bb->next_bb)
|
2004-07-21 04:03:28 +02:00
|
|
|
{
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
jumpifnot (pred, label_rtx_for_bb (false_edge->dest));
|
tree-vrp.c (execute_vrp): Do not pass dump argument to.
* tree-vrp.c (execute_vrp): Do not pass dump argument to.
loop_optimizer_init and loop_optimizer_finalize
* tree-ssa-sink.c (execute_sink_code): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
tree_ssa_loop_done): Ditto.
* tree-ssa-pre.c (init_pre, fini_pre): Ditto.
* sched-ebb.c: Include output.h.
(schedule_ebbs): Do not use dump argument.
* value-prof.h (struct profile_hooks): Remove profile_dump_file.
* loop.c (loop_dump_stream): Removed.
(loop_optimize, rest_of_handle_loop_optimize): Do not use dump
argument.
(scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
loop_iterations, strength_reduce, record_biv, record_giv,
final_giv_value, check_final_value, check_ext_dependent_givs,
combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
dump_file instead of loop_dump_stream.
* ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
argument dump_file.
* reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
dump argument.
* flow.c (life_analysis, rest_of_handle_life): Ditto.
* haifa-sched.c: Include output.h
(schedule_insns, sched_init): Do not use dump argument.
* mode-switching.c (optimize_mode_switching): Ditto.
* modulo-sched.c (stats_file): Removed.
(print_node_sched_params): Do not call argument dump_file.
(sms_schedule_by_order, loop_canon_p, sms_schedule,
rest_of_handle_sms): Do not use dump argument. Use dump_file instead
of stats_file.
* cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
use dump argument.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
rtl_loop_init, rtl_loop_done): Ditto.
* global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
* predict.c (combine_predictions_for_bb, tree_estimate_probability):
Ditto.
* recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
* lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
* regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
* emit-rtl.c (renumber_insns): Ditto.
* cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
expand_gimple_basic_block, tree_expand_cfg): Ditto.
* regclass.c (regclass): Ditto.
* tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
remove_ssa_form, rewrite_out_of_ssa): Ditto.
* reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
Ditto.
* sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
* local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
to regclass.
* gcse.c (gcse_file, debug_stderr): Removed.
(gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
rest_of_handle_gcse): Do not use dump argument.
(cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
compute_code_hoist_vbeinout, compute_code_hoist_data,
one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
compute_store_table, build_store_vectors, insert_insn_start_bb,
insert_store, remove_reachable_equiv_notes, replace_store_insn,
store_motion): Use dump_file instead of gcse_file.
* ipa-type-escape.c (type_escape_execute): Remove debugging comments.
* profile.c (profile_dump_file): Removed.
(branch_prob): Use dump_file instead of profile_dump_file.
* ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
dump_file.
* tree-ssa-copy.c (dump_copy_of): Ditto.
* rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
dump file to life_analysis.
* bt-load.c (branch_target_load_optimize): Ditto.
* cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
renumber_insns.
* rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
regclass, dbr_schedule): Declaration changed.
* sched-int.h (sched_init): Declaration changed.
* tree-profile.c (tree_profile_dump_file): Removed.
(tree_profile_hooks): Removed profile_dump_file hook.
* rtl-profile (rtl_profile_dump_file): Removed.
(rtl_profile_hooks): emoved profile_dump_file hook.
* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
changed.
* c-gimplify.c (c_genericize): Do not call local variable dump_file.
* tree-cfg.c (build_tree_cfg): Ditto.
* Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
* basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
Declaration changed.
* config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
life_analysis and schedule_insns.
* config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
life_analysis.
* config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
dbr_schedule.
* config/mips/mips.c (mips_reorg): Ditto.
* config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
schedule_ebbs.
From-SVN: r110656
2006-02-06 19:20:47 +01:00
|
|
|
add_reg_br_prob_note (last, false_edge->probability);
|
2008-07-28 16:33:56 +02:00
|
|
|
maybe_dump_rtl_for_gimple_stmt (stmt, last);
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
if (false_edge->goto_locus)
|
2008-10-07 20:48:40 +02:00
|
|
|
{
|
|
|
|
set_curr_insn_source_location (false_edge->goto_locus);
|
|
|
|
set_curr_insn_block (false_edge->goto_block);
|
|
|
|
false_edge->goto_locus = curr_insn_locator ();
|
|
|
|
}
|
|
|
|
false_edge->goto_block = NULL;
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
true_edge->flags |= EDGE_FALLTHRU;
|
2008-07-28 16:33:56 +02:00
|
|
|
ggc_free (pred);
|
2009-05-06 18:49:13 +02:00
|
|
|
maybe_cleanup_end_of_block (true_edge);
|
2004-07-21 04:03:28 +02:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
jumpif (pred, label_rtx_for_bb (true_edge->dest));
|
tree-vrp.c (execute_vrp): Do not pass dump argument to.
* tree-vrp.c (execute_vrp): Do not pass dump argument to.
loop_optimizer_init and loop_optimizer_finalize
* tree-ssa-sink.c (execute_sink_code): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
tree_ssa_loop_done): Ditto.
* tree-ssa-pre.c (init_pre, fini_pre): Ditto.
* sched-ebb.c: Include output.h.
(schedule_ebbs): Do not use dump argument.
* value-prof.h (struct profile_hooks): Remove profile_dump_file.
* loop.c (loop_dump_stream): Removed.
(loop_optimize, rest_of_handle_loop_optimize): Do not use dump
argument.
(scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
loop_iterations, strength_reduce, record_biv, record_giv,
final_giv_value, check_final_value, check_ext_dependent_givs,
combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
dump_file instead of loop_dump_stream.
* ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
argument dump_file.
* reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
dump argument.
* flow.c (life_analysis, rest_of_handle_life): Ditto.
* haifa-sched.c: Include output.h
(schedule_insns, sched_init): Do not use dump argument.
* mode-switching.c (optimize_mode_switching): Ditto.
* modulo-sched.c (stats_file): Removed.
(print_node_sched_params): Do not call argument dump_file.
(sms_schedule_by_order, loop_canon_p, sms_schedule,
rest_of_handle_sms): Do not use dump argument. Use dump_file instead
of stats_file.
* cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
use dump argument.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
rtl_loop_init, rtl_loop_done): Ditto.
* global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
* predict.c (combine_predictions_for_bb, tree_estimate_probability):
Ditto.
* recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
* lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
* regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
* emit-rtl.c (renumber_insns): Ditto.
* cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
expand_gimple_basic_block, tree_expand_cfg): Ditto.
* regclass.c (regclass): Ditto.
* tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
remove_ssa_form, rewrite_out_of_ssa): Ditto.
* reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
Ditto.
* sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
* local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
to regclass.
* gcse.c (gcse_file, debug_stderr): Removed.
(gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
rest_of_handle_gcse): Do not use dump argument.
(cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
compute_code_hoist_vbeinout, compute_code_hoist_data,
one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
compute_store_table, build_store_vectors, insert_insn_start_bb,
insert_store, remove_reachable_equiv_notes, replace_store_insn,
store_motion): Use dump_file instead of gcse_file.
* ipa-type-escape.c (type_escape_execute): Remove debugging comments.
* profile.c (profile_dump_file): Removed.
(branch_prob): Use dump_file instead of profile_dump_file.
* ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
dump_file.
* tree-ssa-copy.c (dump_copy_of): Ditto.
* rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
dump file to life_analysis.
* bt-load.c (branch_target_load_optimize): Ditto.
* cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
renumber_insns.
* rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
regclass, dbr_schedule): Declaration changed.
* sched-int.h (sched_init): Declaration changed.
* tree-profile.c (tree_profile_dump_file): Removed.
(tree_profile_hooks): Removed profile_dump_file hook.
* rtl-profile (rtl_profile_dump_file): Removed.
(rtl_profile_hooks): emoved profile_dump_file hook.
* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
changed.
* c-gimplify.c (c_genericize): Do not call local variable dump_file.
* tree-cfg.c (build_tree_cfg): Ditto.
* Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
* basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
Declaration changed.
* config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
life_analysis and schedule_insns.
* config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
life_analysis.
* config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
dbr_schedule.
* config/mips/mips.c (mips_reorg): Ditto.
* config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
schedule_ebbs.
From-SVN: r110656
2006-02-06 19:20:47 +01:00
|
|
|
add_reg_br_prob_note (last, true_edge->probability);
|
2004-07-21 04:03:28 +02:00
|
|
|
last = get_last_insn ();
|
2008-10-07 20:48:40 +02:00
|
|
|
if (false_edge->goto_locus)
|
|
|
|
{
|
|
|
|
set_curr_insn_source_location (false_edge->goto_locus);
|
|
|
|
set_curr_insn_block (false_edge->goto_block);
|
|
|
|
false_edge->goto_locus = curr_insn_locator ();
|
|
|
|
}
|
|
|
|
false_edge->goto_block = NULL;
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
emit_jump (label_rtx_for_bb (false_edge->dest));
|
2004-07-21 04:03:28 +02:00
|
|
|
|
|
|
|
BB_END (bb) = last;
|
|
|
|
if (BARRIER_P (BB_END (bb)))
|
|
|
|
BB_END (bb) = PREV_INSN (BB_END (bb));
|
|
|
|
update_bb_for_insn (bb);
|
|
|
|
|
|
|
|
new_bb = create_basic_block (NEXT_INSN (last), get_last_insn (), bb);
|
|
|
|
dest = false_edge->dest;
|
|
|
|
redirect_edge_succ (false_edge, new_bb);
|
|
|
|
false_edge->flags |= EDGE_FALLTHRU;
|
|
|
|
new_bb->count = false_edge->count;
|
|
|
|
new_bb->frequency = EDGE_FREQUENCY (false_edge);
|
|
|
|
new_edge = make_edge (new_bb, dest, 0);
|
|
|
|
new_edge->probability = REG_BR_PROB_BASE;
|
|
|
|
new_edge->count = new_bb->count;
|
|
|
|
if (BARRIER_P (BB_END (new_bb)))
|
|
|
|
BB_END (new_bb) = PREV_INSN (BB_END (new_bb));
|
|
|
|
update_bb_for_insn (new_bb);
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
maybe_dump_rtl_for_gimple_stmt (stmt, last2);
|
2006-05-19 00:16:23 +02:00
|
|
|
|
2008-10-08 22:49:23 +02:00
|
|
|
if (true_edge->goto_locus)
|
|
|
|
{
|
|
|
|
set_curr_insn_source_location (true_edge->goto_locus);
|
|
|
|
set_curr_insn_block (true_edge->goto_block);
|
|
|
|
true_edge->goto_locus = curr_insn_locator ();
|
|
|
|
}
|
|
|
|
true_edge->goto_block = NULL;
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
ggc_free (pred);
|
2004-07-21 04:03:28 +02:00
|
|
|
return new_bb;
|
|
|
|
}
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
/* A subroutine of expand_gimple_basic_block. Expand one GIMPLE_CALL
|
2004-07-22 02:45:54 +02:00
|
|
|
that has CALL_EXPR_TAILCALL set. Returns non-null if we actually
|
|
|
|
generated a tail call (something that might be denied by the ABI
|
2004-08-23 02:02:55 +02:00
|
|
|
rules governing the call; see calls.c).
|
|
|
|
|
|
|
|
Sets CAN_FALLTHRU if we generated a *conditional* tail call, and
|
|
|
|
can still reach the rest of BB. The case here is __builtin_sqrt,
|
|
|
|
where the NaN result goes through the external function (with a
|
|
|
|
tailcall) and the normal result happens via a sqrt instruction. */
|
2004-07-21 04:03:28 +02:00
|
|
|
|
|
|
|
static basic_block
|
2008-07-28 16:33:56 +02:00
|
|
|
expand_gimple_tailcall (basic_block bb, gimple stmt, bool *can_fallthru)
|
2004-07-21 04:03:28 +02:00
|
|
|
{
|
2004-10-09 00:56:55 +02:00
|
|
|
rtx last2, last;
|
2004-07-22 02:45:54 +02:00
|
|
|
edge e;
|
backport: basic-block.h: Include vec.h, errors.h.
2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
2004-09-28 09:59:54 +02:00
|
|
|
edge_iterator ei;
|
2004-07-22 02:45:54 +02:00
|
|
|
int probability;
|
|
|
|
gcov_type count;
|
2008-07-28 16:33:56 +02:00
|
|
|
tree stmt_tree = gimple_to_tree (stmt);
|
2004-07-21 04:03:28 +02:00
|
|
|
|
2004-10-09 00:56:55 +02:00
|
|
|
last2 = last = get_last_insn ();
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
expand_expr_stmt (stmt_tree);
|
|
|
|
|
|
|
|
release_stmt_tree (stmt, stmt_tree);
|
2004-07-21 04:03:28 +02:00
|
|
|
|
|
|
|
for (last = NEXT_INSN (last); last; last = NEXT_INSN (last))
|
2004-07-22 02:45:54 +02:00
|
|
|
if (CALL_P (last) && SIBLING_CALL_P (last))
|
|
|
|
goto found;
|
2004-07-21 04:03:28 +02:00
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
maybe_dump_rtl_for_gimple_stmt (stmt, last2);
|
2004-10-09 00:56:55 +02:00
|
|
|
|
2004-08-23 02:02:55 +02:00
|
|
|
*can_fallthru = true;
|
2004-07-22 02:45:54 +02:00
|
|
|
return NULL;
|
2004-07-21 04:03:28 +02:00
|
|
|
|
2004-07-22 02:45:54 +02:00
|
|
|
found:
|
|
|
|
/* ??? Wouldn't it be better to just reset any pending stack adjust?
|
|
|
|
Any instructions emitted here are about to be deleted. */
|
|
|
|
do_pending_stack_adjust ();
|
|
|
|
|
|
|
|
/* Remove any non-eh, non-abnormal edges that don't go to exit. */
|
|
|
|
/* ??? I.e. the fallthrough edge. HOWEVER! If there were to be
|
|
|
|
EH or abnormal edges, we shouldn't have created a tail call in
|
|
|
|
the first place. So it seems to me we should just be removing
|
|
|
|
all edges here, or redirecting the existing fallthru edge to
|
|
|
|
the exit block. */
|
|
|
|
|
|
|
|
probability = 0;
|
|
|
|
count = 0;
|
|
|
|
|
backport: basic-block.h: Include vec.h, errors.h.
2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
2004-09-28 09:59:54 +02:00
|
|
|
for (ei = ei_start (bb->succs); (e = ei_safe_edge (ei)); )
|
|
|
|
{
|
2004-07-22 02:45:54 +02:00
|
|
|
if (!(e->flags & (EDGE_ABNORMAL | EDGE_EH)))
|
|
|
|
{
|
|
|
|
if (e->dest != EXIT_BLOCK_PTR)
|
2004-07-21 04:03:28 +02:00
|
|
|
{
|
2004-07-22 02:45:54 +02:00
|
|
|
e->dest->count -= e->count;
|
|
|
|
e->dest->frequency -= EDGE_FREQUENCY (e);
|
|
|
|
if (e->dest->count < 0)
|
2006-05-19 00:16:23 +02:00
|
|
|
e->dest->count = 0;
|
2004-07-22 02:45:54 +02:00
|
|
|
if (e->dest->frequency < 0)
|
2006-05-19 00:16:23 +02:00
|
|
|
e->dest->frequency = 0;
|
2004-07-21 04:03:28 +02:00
|
|
|
}
|
2004-07-22 02:45:54 +02:00
|
|
|
count += e->count;
|
|
|
|
probability += e->probability;
|
|
|
|
remove_edge (e);
|
2004-07-21 04:03:28 +02:00
|
|
|
}
|
backport: basic-block.h: Include vec.h, errors.h.
2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
2004-09-28 09:59:54 +02:00
|
|
|
else
|
|
|
|
ei_next (&ei);
|
2004-07-21 04:03:28 +02:00
|
|
|
}
|
|
|
|
|
2004-07-22 02:45:54 +02:00
|
|
|
/* This is somewhat ugly: the call_expr expander often emits instructions
|
|
|
|
after the sibcall (to perform the function return). These confuse the
|
2005-03-07 14:56:00 +01:00
|
|
|
find_many_sub_basic_blocks code, so we need to get rid of these. */
|
2004-07-22 02:45:54 +02:00
|
|
|
last = NEXT_INSN (last);
|
cfganal.c (flow_depth_first_order_compute, [...]): Use gcc_assert or gcc_unreachable.
* cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
or gcc_unreachable.
* cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
alloc_aux_for_edges, free_aux_for_edges): Likewise.
* cfgcleanup.c (try_forward_edges,
merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps): Likewise.
* cfgexpand.c (expand_gimple_cond_expr,
expand_gimple_tailcall): Likewise.
* cfghooks.c (duplicate_block): Likewise.
* cfglayout.c (record_effective_endpoints,
insn_locators_initialize, change_scope, fixup_reorder_chain,
verify_insn_chain, fixup_fallthru_exit_predecessor,
duplicate_insn_chain, cfg_layout_finalize): Likewise.
* cfgloopanal.c (check_irred): Likewise.
* cfgloop.c (superloop_at_depth, flow_loops_free,
flow_loop_entry_edges_find, flow_loops_find,
flow_loop_outside_edge_p, get_loop_body,
get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
get_loop_exit_edges, num_loop_branches, cancel_loop,
verify_loop_structure): Likewise.
cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
duplicate_loop_to_header_edge, create_preheader,
create_loop_notes): Likewise.
* cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
edirect_branch_edge, force_nonfallthru_and_redirect,
rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
commit_edge_insertions, commit_edge_insertions_watch_calls,
purge_dead_edges, cfg_layout_redirect_edge_and_branch,
cfg_layout_redirect_edge_and_branch_force,
cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
* cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
cgraph_varpool_node): Likewise.
* cgraphunit.c (cgraph_finalize_function,
cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
cgraph_expand_function, cgraph_remove_unreachable_nodes,
cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
cgraph_mark_inline, cgraph_expand_all_functions,
cgraph_build_static_cdtor): Likewise.
* combine.c (do_SUBST, try_combine, subst, combine_simplify_rtx,
simplify_logical, distribute_notes, insn_cuid): Likewise.
* conflict.c (conflict_graph_add, print_conflict): Likewise.
* coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
coverage_checksum_string): Likewise.
* cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
cse_cc_succs, cse_condition_code_reg): Likewise.
* cselib.c (entry_and_rtx_equal_p, remove_useless_values,
rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
cselib_record_set): Likewise.
From-SVN: r87145
2004-09-07 17:46:53 +02:00
|
|
|
gcc_assert (BARRIER_P (last));
|
2004-08-23 02:02:55 +02:00
|
|
|
|
|
|
|
*can_fallthru = false;
|
2004-07-22 02:45:54 +02:00
|
|
|
while (NEXT_INSN (last))
|
|
|
|
{
|
|
|
|
/* For instance an sqrt builtin expander expands if with
|
|
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|
sibcall in the then and label for `else`. */
|
|
|
|
if (LABEL_P (NEXT_INSN (last)))
|
2004-08-23 02:02:55 +02:00
|
|
|
{
|
|
|
|
*can_fallthru = true;
|
|
|
|
break;
|
|
|
|
}
|
2004-07-22 02:45:54 +02:00
|
|
|
delete_insn (NEXT_INSN (last));
|
|
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|
}
|
|
|
|
|
|
|
|
e = make_edge (bb, EXIT_BLOCK_PTR, EDGE_ABNORMAL | EDGE_SIBCALL);
|
|
|
|
e->probability += probability;
|
|
|
|
e->count += count;
|
|
|
|
BB_END (bb) = last;
|
|
|
|
update_bb_for_insn (bb);
|
|
|
|
|
|
|
|
if (NEXT_INSN (last))
|
|
|
|
{
|
|
|
|
bb = create_basic_block (NEXT_INSN (last), get_last_insn (), bb);
|
|
|
|
|
|
|
|
last = BB_END (bb);
|
|
|
|
if (BARRIER_P (last))
|
|
|
|
BB_END (bb) = PREV_INSN (last);
|
|
|
|
}
|
|
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|
2008-07-28 16:33:56 +02:00
|
|
|
maybe_dump_rtl_for_gimple_stmt (stmt, last2);
|
2004-10-09 00:56:55 +02:00
|
|
|
|
2004-07-22 02:45:54 +02:00
|
|
|
return bb;
|
2004-07-21 04:03:28 +02:00
|
|
|
}
|
|
|
|
|
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
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/* Return the difference between the floor and the truncated result of
|
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|
a signed division by OP1 with remainder MOD. */
|
|
|
|
static rtx
|
|
|
|
floor_sdiv_adjust (enum machine_mode mode, rtx mod, rtx op1)
|
|
|
|
{
|
|
|
|
/* (mod != 0 ? (op1 / mod < 0 ? -1 : 0) : 0) */
|
|
|
|
return gen_rtx_IF_THEN_ELSE
|
|
|
|
(mode, gen_rtx_NE (BImode, mod, const0_rtx),
|
|
|
|
gen_rtx_IF_THEN_ELSE
|
|
|
|
(mode, gen_rtx_LT (BImode,
|
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|
|
gen_rtx_DIV (mode, op1, mod),
|
|
|
|
const0_rtx),
|
|
|
|
constm1_rtx, const0_rtx),
|
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|
|
const0_rtx);
|
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|
}
|
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|
|
|
|
|
|
/* Return the difference between the ceil and the truncated result of
|
|
|
|
a signed division by OP1 with remainder MOD. */
|
|
|
|
static rtx
|
|
|
|
ceil_sdiv_adjust (enum machine_mode mode, rtx mod, rtx op1)
|
|
|
|
{
|
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|
|
/* (mod != 0 ? (op1 / mod > 0 ? 1 : 0) : 0) */
|
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|
|
return gen_rtx_IF_THEN_ELSE
|
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|
|
(mode, gen_rtx_NE (BImode, mod, const0_rtx),
|
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|
|
gen_rtx_IF_THEN_ELSE
|
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|
|
(mode, gen_rtx_GT (BImode,
|
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|
gen_rtx_DIV (mode, op1, mod),
|
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|
|
const0_rtx),
|
|
|
|
const1_rtx, const0_rtx),
|
|
|
|
const0_rtx);
|
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|
|
}
|
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|
|
|
|
|
|
/* Return the difference between the ceil and the truncated result of
|
|
|
|
an unsigned division by OP1 with remainder MOD. */
|
|
|
|
static rtx
|
|
|
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ceil_udiv_adjust (enum machine_mode mode, rtx mod, rtx op1 ATTRIBUTE_UNUSED)
|
|
|
|
{
|
|
|
|
/* (mod != 0 ? 1 : 0) */
|
|
|
|
return gen_rtx_IF_THEN_ELSE
|
|
|
|
(mode, gen_rtx_NE (BImode, mod, const0_rtx),
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|
|
|
const1_rtx, const0_rtx);
|
|
|
|
}
|
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|
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|
|
|
|
/* Return the difference between the rounded and the truncated result
|
|
|
|
of a signed division by OP1 with remainder MOD. Halfway cases are
|
|
|
|
rounded away from zero, rather than to the nearest even number. */
|
|
|
|
static rtx
|
|
|
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round_sdiv_adjust (enum machine_mode mode, rtx mod, rtx op1)
|
|
|
|
{
|
|
|
|
/* (abs (mod) >= abs (op1) - abs (mod)
|
|
|
|
? (op1 / mod > 0 ? 1 : -1)
|
|
|
|
: 0) */
|
|
|
|
return gen_rtx_IF_THEN_ELSE
|
|
|
|
(mode, gen_rtx_GE (BImode, gen_rtx_ABS (mode, mod),
|
|
|
|
gen_rtx_MINUS (mode,
|
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|
|
gen_rtx_ABS (mode, op1),
|
|
|
|
gen_rtx_ABS (mode, mod))),
|
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|
|
gen_rtx_IF_THEN_ELSE
|
|
|
|
(mode, gen_rtx_GT (BImode,
|
|
|
|
gen_rtx_DIV (mode, op1, mod),
|
|
|
|
const0_rtx),
|
|
|
|
const1_rtx, constm1_rtx),
|
|
|
|
const0_rtx);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return the difference between the rounded and the truncated result
|
|
|
|
of a unsigned division by OP1 with remainder MOD. Halfway cases
|
|
|
|
are rounded away from zero, rather than to the nearest even
|
|
|
|
number. */
|
|
|
|
static rtx
|
|
|
|
round_udiv_adjust (enum machine_mode mode, rtx mod, rtx op1)
|
|
|
|
{
|
|
|
|
/* (mod >= op1 - mod ? 1 : 0) */
|
|
|
|
return gen_rtx_IF_THEN_ELSE
|
|
|
|
(mode, gen_rtx_GE (BImode, mod,
|
|
|
|
gen_rtx_MINUS (mode, op1, mod)),
|
|
|
|
const1_rtx, const0_rtx);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Wrap modeless constants in CONST:MODE. */
|
|
|
|
rtx
|
|
|
|
wrap_constant (enum machine_mode mode, rtx x)
|
|
|
|
{
|
|
|
|
if (GET_MODE (x) != VOIDmode)
|
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|
|
return x;
|
|
|
|
|
|
|
|
if (CONST_INT_P (x)
|
|
|
|
|| GET_CODE (x) == CONST_FIXED
|
|
|
|
|| GET_CODE (x) == CONST_DOUBLE
|
|
|
|
|| GET_CODE (x) == LABEL_REF)
|
|
|
|
{
|
|
|
|
gcc_assert (mode != VOIDmode);
|
|
|
|
|
|
|
|
x = gen_rtx_CONST (mode, x);
|
|
|
|
}
|
|
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|
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|
|
return x;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Remove CONST wrapper added by wrap_constant(). */
|
|
|
|
rtx
|
|
|
|
unwrap_constant (rtx x)
|
|
|
|
{
|
|
|
|
rtx ret = x;
|
|
|
|
|
|
|
|
if (GET_CODE (x) != CONST)
|
|
|
|
return x;
|
|
|
|
|
|
|
|
x = XEXP (x, 0);
|
|
|
|
|
|
|
|
if (CONST_INT_P (x)
|
|
|
|
|| GET_CODE (x) == CONST_FIXED
|
|
|
|
|| GET_CODE (x) == CONST_DOUBLE
|
|
|
|
|| GET_CODE (x) == LABEL_REF)
|
|
|
|
ret = x;
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
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|
|
/* Return an RTX equivalent to the value of the tree expression
|
|
|
|
EXP. */
|
|
|
|
|
|
|
|
static rtx
|
|
|
|
expand_debug_expr (tree exp)
|
|
|
|
{
|
|
|
|
rtx op0 = NULL_RTX, op1 = NULL_RTX, op2 = NULL_RTX;
|
|
|
|
enum machine_mode mode = TYPE_MODE (TREE_TYPE (exp));
|
|
|
|
int unsignedp = TYPE_UNSIGNED (TREE_TYPE (exp));
|
|
|
|
|
|
|
|
switch (TREE_CODE_CLASS (TREE_CODE (exp)))
|
|
|
|
{
|
|
|
|
case tcc_expression:
|
|
|
|
switch (TREE_CODE (exp))
|
|
|
|
{
|
|
|
|
case COND_EXPR:
|
|
|
|
goto ternary;
|
|
|
|
|
|
|
|
case TRUTH_ANDIF_EXPR:
|
|
|
|
case TRUTH_ORIF_EXPR:
|
|
|
|
case TRUTH_AND_EXPR:
|
|
|
|
case TRUTH_OR_EXPR:
|
|
|
|
case TRUTH_XOR_EXPR:
|
|
|
|
goto binary;
|
|
|
|
|
|
|
|
case TRUTH_NOT_EXPR:
|
|
|
|
goto unary;
|
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
ternary:
|
|
|
|
op2 = expand_debug_expr (TREE_OPERAND (exp, 2));
|
|
|
|
if (!op2)
|
|
|
|
return NULL_RTX;
|
|
|
|
/* Fall through. */
|
|
|
|
|
|
|
|
binary:
|
|
|
|
case tcc_binary:
|
|
|
|
case tcc_comparison:
|
|
|
|
op1 = expand_debug_expr (TREE_OPERAND (exp, 1));
|
|
|
|
if (!op1)
|
|
|
|
return NULL_RTX;
|
|
|
|
/* Fall through. */
|
|
|
|
|
|
|
|
unary:
|
|
|
|
case tcc_unary:
|
|
|
|
op0 = expand_debug_expr (TREE_OPERAND (exp, 0));
|
|
|
|
if (!op0)
|
|
|
|
return NULL_RTX;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case tcc_type:
|
|
|
|
case tcc_statement:
|
|
|
|
gcc_unreachable ();
|
|
|
|
|
|
|
|
case tcc_constant:
|
|
|
|
case tcc_exceptional:
|
|
|
|
case tcc_declaration:
|
|
|
|
case tcc_reference:
|
|
|
|
case tcc_vl_exp:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (TREE_CODE (exp))
|
|
|
|
{
|
|
|
|
case STRING_CST:
|
|
|
|
if (!lookup_constant_def (exp))
|
|
|
|
{
|
|
|
|
op0 = gen_rtx_CONST_STRING (Pmode, TREE_STRING_POINTER (exp));
|
|
|
|
op0 = gen_rtx_MEM (BLKmode, op0);
|
|
|
|
set_mem_attributes (op0, exp, 0);
|
|
|
|
return op0;
|
|
|
|
}
|
|
|
|
/* Fall through... */
|
|
|
|
|
|
|
|
case INTEGER_CST:
|
|
|
|
case REAL_CST:
|
|
|
|
case FIXED_CST:
|
|
|
|
op0 = expand_expr (exp, NULL_RTX, mode, EXPAND_INITIALIZER);
|
|
|
|
return op0;
|
|
|
|
|
|
|
|
case COMPLEX_CST:
|
|
|
|
gcc_assert (COMPLEX_MODE_P (mode));
|
|
|
|
op0 = expand_debug_expr (TREE_REALPART (exp));
|
|
|
|
op0 = wrap_constant (GET_MODE_INNER (mode), op0);
|
|
|
|
op1 = expand_debug_expr (TREE_IMAGPART (exp));
|
|
|
|
op1 = wrap_constant (GET_MODE_INNER (mode), op1);
|
|
|
|
return gen_rtx_CONCAT (mode, op0, op1);
|
|
|
|
|
|
|
|
case VAR_DECL:
|
|
|
|
case PARM_DECL:
|
|
|
|
case FUNCTION_DECL:
|
|
|
|
case LABEL_DECL:
|
|
|
|
case CONST_DECL:
|
|
|
|
case RESULT_DECL:
|
|
|
|
op0 = DECL_RTL_IF_SET (exp);
|
|
|
|
|
|
|
|
/* This decl was probably optimized away. */
|
|
|
|
if (!op0)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
op0 = copy_rtx (op0);
|
|
|
|
|
|
|
|
if (GET_MODE (op0) == BLKmode)
|
|
|
|
{
|
|
|
|
gcc_assert (MEM_P (op0));
|
|
|
|
op0 = adjust_address_nv (op0, mode, 0);
|
|
|
|
return op0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Fall through. */
|
|
|
|
|
|
|
|
adjust_mode:
|
|
|
|
case PAREN_EXPR:
|
|
|
|
case NOP_EXPR:
|
|
|
|
case CONVERT_EXPR:
|
|
|
|
{
|
|
|
|
enum machine_mode inner_mode = GET_MODE (op0);
|
|
|
|
|
|
|
|
if (mode == inner_mode)
|
|
|
|
return op0;
|
|
|
|
|
|
|
|
if (inner_mode == VOIDmode)
|
|
|
|
{
|
|
|
|
inner_mode = TYPE_MODE (TREE_TYPE (TREE_OPERAND (exp, 0)));
|
|
|
|
if (mode == inner_mode)
|
|
|
|
return op0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (FLOAT_MODE_P (mode) && FLOAT_MODE_P (inner_mode))
|
|
|
|
{
|
|
|
|
if (GET_MODE_BITSIZE (mode) == GET_MODE_BITSIZE (inner_mode))
|
|
|
|
op0 = simplify_gen_subreg (mode, op0, inner_mode, 0);
|
|
|
|
else if (GET_MODE_BITSIZE (mode) < GET_MODE_BITSIZE (inner_mode))
|
|
|
|
op0 = simplify_gen_unary (FLOAT_TRUNCATE, mode, op0, inner_mode);
|
|
|
|
else
|
|
|
|
op0 = simplify_gen_unary (FLOAT_EXTEND, mode, op0, inner_mode);
|
|
|
|
}
|
|
|
|
else if (FLOAT_MODE_P (mode))
|
|
|
|
{
|
|
|
|
if (TYPE_UNSIGNED (TREE_TYPE (TREE_OPERAND (exp, 0))))
|
|
|
|
op0 = simplify_gen_unary (UNSIGNED_FLOAT, mode, op0, inner_mode);
|
|
|
|
else
|
|
|
|
op0 = simplify_gen_unary (FLOAT, mode, op0, inner_mode);
|
|
|
|
}
|
|
|
|
else if (FLOAT_MODE_P (inner_mode))
|
|
|
|
{
|
|
|
|
if (unsignedp)
|
|
|
|
op0 = simplify_gen_unary (UNSIGNED_FIX, mode, op0, inner_mode);
|
|
|
|
else
|
|
|
|
op0 = simplify_gen_unary (FIX, mode, op0, inner_mode);
|
|
|
|
}
|
|
|
|
else if (CONSTANT_P (op0)
|
|
|
|
|| GET_MODE_BITSIZE (mode) <= GET_MODE_BITSIZE (inner_mode))
|
|
|
|
op0 = simplify_gen_subreg (mode, op0, inner_mode,
|
|
|
|
subreg_lowpart_offset (mode,
|
|
|
|
inner_mode));
|
|
|
|
else if (unsignedp)
|
|
|
|
op0 = gen_rtx_ZERO_EXTEND (mode, op0);
|
|
|
|
else
|
|
|
|
op0 = gen_rtx_SIGN_EXTEND (mode, op0);
|
|
|
|
|
|
|
|
return op0;
|
|
|
|
}
|
|
|
|
|
|
|
|
case INDIRECT_REF:
|
|
|
|
case ALIGN_INDIRECT_REF:
|
|
|
|
case MISALIGNED_INDIRECT_REF:
|
|
|
|
op0 = expand_debug_expr (TREE_OPERAND (exp, 0));
|
|
|
|
if (!op0)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
gcc_assert (GET_MODE (op0) == Pmode
|
|
|
|
|| GET_CODE (op0) == CONST_INT
|
|
|
|
|| GET_CODE (op0) == CONST_DOUBLE);
|
|
|
|
|
|
|
|
if (TREE_CODE (exp) == ALIGN_INDIRECT_REF)
|
|
|
|
{
|
|
|
|
int align = TYPE_ALIGN_UNIT (TREE_TYPE (exp));
|
|
|
|
op0 = gen_rtx_AND (Pmode, op0, GEN_INT (-align));
|
|
|
|
}
|
|
|
|
|
|
|
|
op0 = gen_rtx_MEM (mode, op0);
|
|
|
|
|
|
|
|
set_mem_attributes (op0, exp, 0);
|
|
|
|
|
|
|
|
return op0;
|
|
|
|
|
|
|
|
case TARGET_MEM_REF:
|
|
|
|
if (TMR_SYMBOL (exp) && !DECL_RTL_SET_P (TMR_SYMBOL (exp)))
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
op0 = expand_debug_expr
|
|
|
|
(tree_mem_ref_addr (build_pointer_type (TREE_TYPE (exp)),
|
|
|
|
exp));
|
|
|
|
if (!op0)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
gcc_assert (GET_MODE (op0) == Pmode
|
|
|
|
|| GET_CODE (op0) == CONST_INT
|
|
|
|
|| GET_CODE (op0) == CONST_DOUBLE);
|
|
|
|
|
|
|
|
op0 = gen_rtx_MEM (mode, op0);
|
|
|
|
|
|
|
|
set_mem_attributes (op0, exp, 0);
|
|
|
|
|
|
|
|
return op0;
|
|
|
|
|
|
|
|
case ARRAY_REF:
|
|
|
|
case ARRAY_RANGE_REF:
|
|
|
|
case COMPONENT_REF:
|
|
|
|
case BIT_FIELD_REF:
|
|
|
|
case REALPART_EXPR:
|
|
|
|
case IMAGPART_EXPR:
|
|
|
|
case VIEW_CONVERT_EXPR:
|
|
|
|
{
|
|
|
|
enum machine_mode mode1;
|
|
|
|
HOST_WIDE_INT bitsize, bitpos;
|
|
|
|
tree offset;
|
|
|
|
int volatilep = 0;
|
|
|
|
tree tem = get_inner_reference (exp, &bitsize, &bitpos, &offset,
|
|
|
|
&mode1, &unsignedp, &volatilep, false);
|
|
|
|
rtx orig_op0;
|
|
|
|
|
|
|
|
orig_op0 = op0 = expand_debug_expr (tem);
|
|
|
|
|
|
|
|
if (!op0)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
if (offset)
|
|
|
|
{
|
|
|
|
gcc_assert (MEM_P (op0));
|
|
|
|
|
|
|
|
op1 = expand_debug_expr (offset);
|
|
|
|
if (!op1)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
op0 = gen_rtx_MEM (mode, gen_rtx_PLUS (Pmode, XEXP (op0, 0), op1));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (MEM_P (op0))
|
|
|
|
{
|
|
|
|
if (bitpos >= BITS_PER_UNIT)
|
|
|
|
{
|
|
|
|
op0 = adjust_address_nv (op0, mode1, bitpos / BITS_PER_UNIT);
|
|
|
|
bitpos %= BITS_PER_UNIT;
|
|
|
|
}
|
|
|
|
else if (bitpos < 0)
|
|
|
|
{
|
|
|
|
int units = (-bitpos + BITS_PER_UNIT - 1) / BITS_PER_UNIT;
|
|
|
|
op0 = adjust_address_nv (op0, mode1, units);
|
|
|
|
bitpos += units * BITS_PER_UNIT;
|
|
|
|
}
|
|
|
|
else if (bitpos == 0 && bitsize == GET_MODE_BITSIZE (mode))
|
|
|
|
op0 = adjust_address_nv (op0, mode, 0);
|
|
|
|
else if (GET_MODE (op0) != mode1)
|
|
|
|
op0 = adjust_address_nv (op0, mode1, 0);
|
|
|
|
else
|
|
|
|
op0 = copy_rtx (op0);
|
|
|
|
if (op0 == orig_op0)
|
|
|
|
op0 = shallow_copy_rtx (op0);
|
|
|
|
set_mem_attributes (op0, exp, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (bitpos == 0 && mode == GET_MODE (op0))
|
|
|
|
return op0;
|
|
|
|
|
|
|
|
if ((bitpos % BITS_PER_UNIT) == 0
|
|
|
|
&& bitsize == GET_MODE_BITSIZE (mode1))
|
|
|
|
{
|
|
|
|
enum machine_mode opmode = GET_MODE (op0);
|
|
|
|
|
|
|
|
gcc_assert (opmode != BLKmode);
|
|
|
|
|
|
|
|
if (opmode == VOIDmode)
|
|
|
|
opmode = mode1;
|
|
|
|
|
|
|
|
/* This condition may hold if we're expanding the address
|
|
|
|
right past the end of an array that turned out not to
|
|
|
|
be addressable (i.e., the address was only computed in
|
|
|
|
debug stmts). The gen_subreg below would rightfully
|
|
|
|
crash, and the address doesn't really exist, so just
|
|
|
|
drop it. */
|
|
|
|
if (bitpos >= GET_MODE_BITSIZE (opmode))
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
return simplify_gen_subreg (mode, op0, opmode,
|
|
|
|
bitpos / BITS_PER_UNIT);
|
|
|
|
}
|
|
|
|
|
|
|
|
return simplify_gen_ternary (SCALAR_INT_MODE_P (GET_MODE (op0))
|
|
|
|
&& TYPE_UNSIGNED (TREE_TYPE (exp))
|
|
|
|
? SIGN_EXTRACT
|
|
|
|
: ZERO_EXTRACT, mode,
|
|
|
|
GET_MODE (op0) != VOIDmode
|
|
|
|
? GET_MODE (op0) : mode1,
|
|
|
|
op0, GEN_INT (bitsize), GEN_INT (bitpos));
|
|
|
|
}
|
|
|
|
|
|
|
|
case EXC_PTR_EXPR:
|
|
|
|
/* ??? Do not call get_exception_pointer(), we don't want to gen
|
|
|
|
it if it hasn't been created yet. */
|
|
|
|
return get_exception_pointer ();
|
|
|
|
|
|
|
|
case FILTER_EXPR:
|
|
|
|
/* Likewise get_exception_filter(). */
|
|
|
|
return get_exception_filter ();
|
|
|
|
|
|
|
|
case ABS_EXPR:
|
|
|
|
return gen_rtx_ABS (mode, op0);
|
|
|
|
|
|
|
|
case NEGATE_EXPR:
|
|
|
|
return gen_rtx_NEG (mode, op0);
|
|
|
|
|
|
|
|
case BIT_NOT_EXPR:
|
|
|
|
return gen_rtx_NOT (mode, op0);
|
|
|
|
|
|
|
|
case FLOAT_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_UNSIGNED_FLOAT (mode, op0);
|
|
|
|
else
|
|
|
|
return gen_rtx_FLOAT (mode, op0);
|
|
|
|
|
|
|
|
case FIX_TRUNC_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_UNSIGNED_FIX (mode, op0);
|
|
|
|
else
|
|
|
|
return gen_rtx_FIX (mode, op0);
|
|
|
|
|
|
|
|
case POINTER_PLUS_EXPR:
|
|
|
|
case PLUS_EXPR:
|
|
|
|
return gen_rtx_PLUS (mode, op0, op1);
|
|
|
|
|
|
|
|
case MINUS_EXPR:
|
|
|
|
return gen_rtx_MINUS (mode, op0, op1);
|
|
|
|
|
|
|
|
case MULT_EXPR:
|
|
|
|
return gen_rtx_MULT (mode, op0, op1);
|
|
|
|
|
|
|
|
case RDIV_EXPR:
|
|
|
|
case TRUNC_DIV_EXPR:
|
|
|
|
case EXACT_DIV_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_UDIV (mode, op0, op1);
|
|
|
|
else
|
|
|
|
return gen_rtx_DIV (mode, op0, op1);
|
|
|
|
|
|
|
|
case TRUNC_MOD_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_UMOD (mode, op0, op1);
|
|
|
|
else
|
|
|
|
return gen_rtx_MOD (mode, op0, op1);
|
|
|
|
|
|
|
|
case FLOOR_DIV_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_UDIV (mode, op0, op1);
|
|
|
|
else
|
|
|
|
{
|
|
|
|
rtx div = gen_rtx_DIV (mode, op0, op1);
|
|
|
|
rtx mod = gen_rtx_MOD (mode, op0, op1);
|
|
|
|
rtx adj = floor_sdiv_adjust (mode, mod, op1);
|
|
|
|
return gen_rtx_PLUS (mode, div, adj);
|
|
|
|
}
|
|
|
|
|
|
|
|
case FLOOR_MOD_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_UMOD (mode, op0, op1);
|
|
|
|
else
|
|
|
|
{
|
|
|
|
rtx mod = gen_rtx_MOD (mode, op0, op1);
|
|
|
|
rtx adj = floor_sdiv_adjust (mode, mod, op1);
|
|
|
|
adj = gen_rtx_NEG (mode, gen_rtx_MULT (mode, adj, op1));
|
|
|
|
return gen_rtx_PLUS (mode, mod, adj);
|
|
|
|
}
|
|
|
|
|
|
|
|
case CEIL_DIV_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
{
|
|
|
|
rtx div = gen_rtx_UDIV (mode, op0, op1);
|
|
|
|
rtx mod = gen_rtx_UMOD (mode, op0, op1);
|
|
|
|
rtx adj = ceil_udiv_adjust (mode, mod, op1);
|
|
|
|
return gen_rtx_PLUS (mode, div, adj);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
rtx div = gen_rtx_DIV (mode, op0, op1);
|
|
|
|
rtx mod = gen_rtx_MOD (mode, op0, op1);
|
|
|
|
rtx adj = ceil_sdiv_adjust (mode, mod, op1);
|
|
|
|
return gen_rtx_PLUS (mode, div, adj);
|
|
|
|
}
|
|
|
|
|
|
|
|
case CEIL_MOD_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
{
|
|
|
|
rtx mod = gen_rtx_UMOD (mode, op0, op1);
|
|
|
|
rtx adj = ceil_udiv_adjust (mode, mod, op1);
|
|
|
|
adj = gen_rtx_NEG (mode, gen_rtx_MULT (mode, adj, op1));
|
|
|
|
return gen_rtx_PLUS (mode, mod, adj);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
rtx mod = gen_rtx_MOD (mode, op0, op1);
|
|
|
|
rtx adj = ceil_sdiv_adjust (mode, mod, op1);
|
|
|
|
adj = gen_rtx_NEG (mode, gen_rtx_MULT (mode, adj, op1));
|
|
|
|
return gen_rtx_PLUS (mode, mod, adj);
|
|
|
|
}
|
|
|
|
|
|
|
|
case ROUND_DIV_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
{
|
|
|
|
rtx div = gen_rtx_UDIV (mode, op0, op1);
|
|
|
|
rtx mod = gen_rtx_UMOD (mode, op0, op1);
|
|
|
|
rtx adj = round_udiv_adjust (mode, mod, op1);
|
|
|
|
return gen_rtx_PLUS (mode, div, adj);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
rtx div = gen_rtx_DIV (mode, op0, op1);
|
|
|
|
rtx mod = gen_rtx_MOD (mode, op0, op1);
|
|
|
|
rtx adj = round_sdiv_adjust (mode, mod, op1);
|
|
|
|
return gen_rtx_PLUS (mode, div, adj);
|
|
|
|
}
|
|
|
|
|
|
|
|
case ROUND_MOD_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
{
|
|
|
|
rtx mod = gen_rtx_UMOD (mode, op0, op1);
|
|
|
|
rtx adj = round_udiv_adjust (mode, mod, op1);
|
|
|
|
adj = gen_rtx_NEG (mode, gen_rtx_MULT (mode, adj, op1));
|
|
|
|
return gen_rtx_PLUS (mode, mod, adj);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
rtx mod = gen_rtx_MOD (mode, op0, op1);
|
|
|
|
rtx adj = round_sdiv_adjust (mode, mod, op1);
|
|
|
|
adj = gen_rtx_NEG (mode, gen_rtx_MULT (mode, adj, op1));
|
|
|
|
return gen_rtx_PLUS (mode, mod, adj);
|
|
|
|
}
|
|
|
|
|
|
|
|
case LSHIFT_EXPR:
|
|
|
|
return gen_rtx_ASHIFT (mode, op0, op1);
|
|
|
|
|
|
|
|
case RSHIFT_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_LSHIFTRT (mode, op0, op1);
|
|
|
|
else
|
|
|
|
return gen_rtx_ASHIFTRT (mode, op0, op1);
|
|
|
|
|
|
|
|
case LROTATE_EXPR:
|
|
|
|
return gen_rtx_ROTATE (mode, op0, op1);
|
|
|
|
|
|
|
|
case RROTATE_EXPR:
|
|
|
|
return gen_rtx_ROTATERT (mode, op0, op1);
|
|
|
|
|
|
|
|
case MIN_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_UMIN (mode, op0, op1);
|
|
|
|
else
|
|
|
|
return gen_rtx_SMIN (mode, op0, op1);
|
|
|
|
|
|
|
|
case MAX_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_UMAX (mode, op0, op1);
|
|
|
|
else
|
|
|
|
return gen_rtx_SMAX (mode, op0, op1);
|
|
|
|
|
|
|
|
case BIT_AND_EXPR:
|
|
|
|
case TRUTH_AND_EXPR:
|
|
|
|
return gen_rtx_AND (mode, op0, op1);
|
|
|
|
|
|
|
|
case BIT_IOR_EXPR:
|
|
|
|
case TRUTH_OR_EXPR:
|
|
|
|
return gen_rtx_IOR (mode, op0, op1);
|
|
|
|
|
|
|
|
case BIT_XOR_EXPR:
|
|
|
|
case TRUTH_XOR_EXPR:
|
|
|
|
return gen_rtx_XOR (mode, op0, op1);
|
|
|
|
|
|
|
|
case TRUTH_ANDIF_EXPR:
|
|
|
|
return gen_rtx_IF_THEN_ELSE (mode, op0, op1, const0_rtx);
|
|
|
|
|
|
|
|
case TRUTH_ORIF_EXPR:
|
|
|
|
return gen_rtx_IF_THEN_ELSE (mode, op0, const_true_rtx, op1);
|
|
|
|
|
|
|
|
case TRUTH_NOT_EXPR:
|
|
|
|
return gen_rtx_EQ (mode, op0, const0_rtx);
|
|
|
|
|
|
|
|
case LT_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_LTU (mode, op0, op1);
|
|
|
|
else
|
|
|
|
return gen_rtx_LT (mode, op0, op1);
|
|
|
|
|
|
|
|
case LE_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_LEU (mode, op0, op1);
|
|
|
|
else
|
|
|
|
return gen_rtx_LE (mode, op0, op1);
|
|
|
|
|
|
|
|
case GT_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_GTU (mode, op0, op1);
|
|
|
|
else
|
|
|
|
return gen_rtx_GT (mode, op0, op1);
|
|
|
|
|
|
|
|
case GE_EXPR:
|
|
|
|
if (unsignedp)
|
|
|
|
return gen_rtx_GEU (mode, op0, op1);
|
|
|
|
else
|
|
|
|
return gen_rtx_GE (mode, op0, op1);
|
|
|
|
|
|
|
|
case EQ_EXPR:
|
|
|
|
return gen_rtx_EQ (mode, op0, op1);
|
|
|
|
|
|
|
|
case NE_EXPR:
|
|
|
|
return gen_rtx_NE (mode, op0, op1);
|
|
|
|
|
|
|
|
case UNORDERED_EXPR:
|
|
|
|
return gen_rtx_UNORDERED (mode, op0, op1);
|
|
|
|
|
|
|
|
case ORDERED_EXPR:
|
|
|
|
return gen_rtx_ORDERED (mode, op0, op1);
|
|
|
|
|
|
|
|
case UNLT_EXPR:
|
|
|
|
return gen_rtx_UNLT (mode, op0, op1);
|
|
|
|
|
|
|
|
case UNLE_EXPR:
|
|
|
|
return gen_rtx_UNLE (mode, op0, op1);
|
|
|
|
|
|
|
|
case UNGT_EXPR:
|
|
|
|
return gen_rtx_UNGT (mode, op0, op1);
|
|
|
|
|
|
|
|
case UNGE_EXPR:
|
|
|
|
return gen_rtx_UNGE (mode, op0, op1);
|
|
|
|
|
|
|
|
case UNEQ_EXPR:
|
|
|
|
return gen_rtx_UNEQ (mode, op0, op1);
|
|
|
|
|
|
|
|
case LTGT_EXPR:
|
|
|
|
return gen_rtx_LTGT (mode, op0, op1);
|
|
|
|
|
|
|
|
case COND_EXPR:
|
|
|
|
return gen_rtx_IF_THEN_ELSE (mode, op0, op1, op2);
|
|
|
|
|
|
|
|
case COMPLEX_EXPR:
|
|
|
|
gcc_assert (COMPLEX_MODE_P (mode));
|
|
|
|
if (GET_MODE (op0) == VOIDmode)
|
|
|
|
op0 = gen_rtx_CONST (GET_MODE_INNER (mode), op0);
|
|
|
|
if (GET_MODE (op1) == VOIDmode)
|
|
|
|
op1 = gen_rtx_CONST (GET_MODE_INNER (mode), op1);
|
|
|
|
return gen_rtx_CONCAT (mode, op0, op1);
|
|
|
|
|
|
|
|
case ADDR_EXPR:
|
|
|
|
op0 = expand_debug_expr (TREE_OPERAND (exp, 0));
|
|
|
|
if (!op0 || !MEM_P (op0))
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
return XEXP (op0, 0);
|
|
|
|
|
|
|
|
case VECTOR_CST:
|
|
|
|
exp = build_constructor_from_list (TREE_TYPE (exp),
|
|
|
|
TREE_VECTOR_CST_ELTS (exp));
|
|
|
|
/* Fall through. */
|
|
|
|
|
|
|
|
case CONSTRUCTOR:
|
|
|
|
if (TREE_CODE (TREE_TYPE (exp)) == VECTOR_TYPE)
|
|
|
|
{
|
|
|
|
unsigned i;
|
|
|
|
tree val;
|
|
|
|
|
|
|
|
op0 = gen_rtx_CONCATN
|
|
|
|
(mode, rtvec_alloc (TYPE_VECTOR_SUBPARTS (TREE_TYPE (exp))));
|
|
|
|
|
|
|
|
FOR_EACH_CONSTRUCTOR_VALUE (CONSTRUCTOR_ELTS (exp), i, val)
|
|
|
|
{
|
|
|
|
op1 = expand_debug_expr (val);
|
|
|
|
if (!op1)
|
|
|
|
return NULL;
|
|
|
|
XVECEXP (op0, 0, i) = op1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (i < TYPE_VECTOR_SUBPARTS (TREE_TYPE (exp)))
|
|
|
|
{
|
|
|
|
op1 = expand_debug_expr
|
|
|
|
(fold_convert (TREE_TYPE (TREE_TYPE (exp)), integer_zero_node));
|
|
|
|
|
|
|
|
if (!op1)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
for (; i < TYPE_VECTOR_SUBPARTS (TREE_TYPE (exp)); i++)
|
|
|
|
XVECEXP (op0, 0, i) = op1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return op0;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
goto flag_unsupported;
|
|
|
|
|
|
|
|
case CALL_EXPR:
|
|
|
|
/* ??? Maybe handle some builtins? */
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
case SSA_NAME:
|
|
|
|
{
|
|
|
|
int part = var_to_partition (SA.map, exp);
|
|
|
|
|
|
|
|
if (part == NO_PARTITION)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
gcc_assert (part >= 0 && (unsigned)part < SA.map->num_partitions);
|
|
|
|
|
|
|
|
op0 = SA.partition_to_pseudo[part];
|
|
|
|
goto adjust_mode;
|
|
|
|
}
|
|
|
|
|
|
|
|
case ERROR_MARK:
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
default:
|
|
|
|
flag_unsupported:
|
|
|
|
#ifdef ENABLE_CHECKING
|
|
|
|
debug_tree (exp);
|
|
|
|
gcc_unreachable ();
|
|
|
|
#else
|
|
|
|
return NULL;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Expand the _LOCs in debug insns. We run this after expanding all
|
|
|
|
regular insns, so that any variables referenced in the function
|
|
|
|
will have their DECL_RTLs set. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
expand_debug_locations (void)
|
|
|
|
{
|
|
|
|
rtx insn;
|
|
|
|
rtx last = get_last_insn ();
|
|
|
|
int save_strict_alias = flag_strict_aliasing;
|
|
|
|
|
|
|
|
/* New alias sets while setting up memory attributes cause
|
|
|
|
-fcompare-debug failures, even though it doesn't bring about any
|
|
|
|
codegen changes. */
|
|
|
|
flag_strict_aliasing = 0;
|
|
|
|
|
|
|
|
for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
|
|
|
|
if (DEBUG_INSN_P (insn))
|
|
|
|
{
|
|
|
|
tree value = (tree)INSN_VAR_LOCATION_LOC (insn);
|
|
|
|
rtx val;
|
|
|
|
enum machine_mode mode;
|
|
|
|
|
|
|
|
if (value == NULL_TREE)
|
|
|
|
val = NULL_RTX;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
val = expand_debug_expr (value);
|
|
|
|
gcc_assert (last == get_last_insn ());
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!val)
|
|
|
|
val = gen_rtx_UNKNOWN_VAR_LOC ();
|
|
|
|
else
|
|
|
|
{
|
|
|
|
mode = GET_MODE (INSN_VAR_LOCATION (insn));
|
|
|
|
|
|
|
|
gcc_assert (mode == GET_MODE (val)
|
|
|
|
|| (GET_MODE (val) == VOIDmode
|
|
|
|
&& (CONST_INT_P (val)
|
|
|
|
|| GET_CODE (val) == CONST_FIXED
|
|
|
|
|| GET_CODE (val) == CONST_DOUBLE
|
|
|
|
|| GET_CODE (val) == LABEL_REF)));
|
|
|
|
}
|
|
|
|
|
|
|
|
INSN_VAR_LOCATION_LOC (insn) = val;
|
|
|
|
}
|
|
|
|
|
|
|
|
flag_strict_aliasing = save_strict_alias;
|
|
|
|
}
|
|
|
|
|
2004-06-19 17:33:06 +02:00
|
|
|
/* Expand basic block BB from GIMPLE trees to RTL. */
|
|
|
|
|
|
|
|
static basic_block
|
tree-vrp.c (execute_vrp): Do not pass dump argument to.
* tree-vrp.c (execute_vrp): Do not pass dump argument to.
loop_optimizer_init and loop_optimizer_finalize
* tree-ssa-sink.c (execute_sink_code): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
tree_ssa_loop_done): Ditto.
* tree-ssa-pre.c (init_pre, fini_pre): Ditto.
* sched-ebb.c: Include output.h.
(schedule_ebbs): Do not use dump argument.
* value-prof.h (struct profile_hooks): Remove profile_dump_file.
* loop.c (loop_dump_stream): Removed.
(loop_optimize, rest_of_handle_loop_optimize): Do not use dump
argument.
(scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
loop_iterations, strength_reduce, record_biv, record_giv,
final_giv_value, check_final_value, check_ext_dependent_givs,
combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
dump_file instead of loop_dump_stream.
* ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
argument dump_file.
* reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
dump argument.
* flow.c (life_analysis, rest_of_handle_life): Ditto.
* haifa-sched.c: Include output.h
(schedule_insns, sched_init): Do not use dump argument.
* mode-switching.c (optimize_mode_switching): Ditto.
* modulo-sched.c (stats_file): Removed.
(print_node_sched_params): Do not call argument dump_file.
(sms_schedule_by_order, loop_canon_p, sms_schedule,
rest_of_handle_sms): Do not use dump argument. Use dump_file instead
of stats_file.
* cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
use dump argument.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
rtl_loop_init, rtl_loop_done): Ditto.
* global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
* predict.c (combine_predictions_for_bb, tree_estimate_probability):
Ditto.
* recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
* lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
* regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
* emit-rtl.c (renumber_insns): Ditto.
* cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
expand_gimple_basic_block, tree_expand_cfg): Ditto.
* regclass.c (regclass): Ditto.
* tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
remove_ssa_form, rewrite_out_of_ssa): Ditto.
* reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
Ditto.
* sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
* local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
to regclass.
* gcse.c (gcse_file, debug_stderr): Removed.
(gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
rest_of_handle_gcse): Do not use dump argument.
(cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
compute_code_hoist_vbeinout, compute_code_hoist_data,
one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
compute_store_table, build_store_vectors, insert_insn_start_bb,
insert_store, remove_reachable_equiv_notes, replace_store_insn,
store_motion): Use dump_file instead of gcse_file.
* ipa-type-escape.c (type_escape_execute): Remove debugging comments.
* profile.c (profile_dump_file): Removed.
(branch_prob): Use dump_file instead of profile_dump_file.
* ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
dump_file.
* tree-ssa-copy.c (dump_copy_of): Ditto.
* rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
dump file to life_analysis.
* bt-load.c (branch_target_load_optimize): Ditto.
* cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
renumber_insns.
* rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
regclass, dbr_schedule): Declaration changed.
* sched-int.h (sched_init): Declaration changed.
* tree-profile.c (tree_profile_dump_file): Removed.
(tree_profile_hooks): Removed profile_dump_file hook.
* rtl-profile (rtl_profile_dump_file): Removed.
(rtl_profile_hooks): emoved profile_dump_file hook.
* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
changed.
* c-gimplify.c (c_genericize): Do not call local variable dump_file.
* tree-cfg.c (build_tree_cfg): Ditto.
* Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
* basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
Declaration changed.
* config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
life_analysis and schedule_insns.
* config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
life_analysis.
* config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
dbr_schedule.
* config/mips/mips.c (mips_reorg): Ditto.
* config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
schedule_ebbs.
From-SVN: r110656
2006-02-06 19:20:47 +01:00
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expand_gimple_basic_block (basic_block bb)
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2004-06-19 17:33:06 +02:00
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{
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2008-07-28 16:33:56 +02:00
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gimple_stmt_iterator gsi;
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gimple_seq stmts;
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gimple stmt = NULL;
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2004-06-19 17:33:06 +02:00
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rtx note, last;
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edge e;
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backport: basic-block.h: Include vec.h, errors.h.
2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
2004-09-28 09:59:54 +02:00
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edge_iterator ei;
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2007-05-01 12:17:43 +02:00
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void **elt;
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2004-06-19 17:33:06 +02:00
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if (dump_file)
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2008-07-28 16:33:56 +02:00
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fprintf (dump_file, "\n;; Generating RTL for gimple basic block %d\n",
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bb->index);
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/* Note that since we are now transitioning from GIMPLE to RTL, we
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cannot use the gsi_*_bb() routines because they expect the basic
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block to be in GIMPLE, instead of RTL. Therefore, we need to
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access the BB sequence directly. */
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stmts = bb_seq (bb);
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bb->il.gimple = NULL;
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predict.c (always_optimize_for_size_p): New function.
* predict.c (always_optimize_for_size_p): New function.
(optimize_bb_for_size_p, optimize_bb_for_speed_p,
optimize_edge_for_size_p, optimize_edge_for_speed_p,
optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
functions.
(rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
* function.c (prepare_function_start): Set default profile.
* function.h (rtl_data): Add maybe_hot_insn_p.
* cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
(construct_exit_block): Likewise.
(tree_expand_cfg): Likewise.
* basic-block.h
(optimize_bb_for_size_p, optimize_bb_for_speed_p,
optimize_edge_for_size_p, optimize_edge_for_speed_p,
optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
(rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
Declare.
From-SVN: r138237
2008-07-29 12:52:16 +02:00
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rtl_profile_for_bb (bb);
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2005-06-16 12:33:40 +02:00
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init_rtl_bb_info (bb);
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bb->flags |= BB_RTL;
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tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
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/* Remove the RETURN_EXPR if we may fall though to the exit
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instead. */
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2008-07-28 16:33:56 +02:00
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gsi = gsi_last (stmts);
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if (!gsi_end_p (gsi)
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&& gimple_code (gsi_stmt (gsi)) == GIMPLE_RETURN)
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tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
{
|
2008-07-28 16:33:56 +02:00
|
|
|
gimple ret_stmt = gsi_stmt (gsi);
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
|
|
|
|
gcc_assert (single_succ_p (bb));
|
|
|
|
gcc_assert (single_succ (bb) == EXIT_BLOCK_PTR);
|
|
|
|
|
|
|
|
if (bb->next_bb == EXIT_BLOCK_PTR
|
2008-07-28 16:33:56 +02:00
|
|
|
&& !gimple_return_retval (ret_stmt))
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
{
|
2008-07-28 16:33:56 +02:00
|
|
|
gsi_remove (&gsi, false);
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
single_succ_edge (bb)->flags |= EDGE_FALLTHRU;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
gsi = gsi_start (stmts);
|
|
|
|
if (!gsi_end_p (gsi))
|
2007-05-01 12:17:43 +02:00
|
|
|
{
|
2008-07-28 16:33:56 +02:00
|
|
|
stmt = gsi_stmt (gsi);
|
|
|
|
if (gimple_code (stmt) != GIMPLE_LABEL)
|
|
|
|
stmt = NULL;
|
2007-05-01 12:17:43 +02:00
|
|
|
}
|
2004-06-19 17:33:06 +02:00
|
|
|
|
2007-05-01 12:17:43 +02:00
|
|
|
elt = pointer_map_contains (lab_rtx_for_bb, bb);
|
|
|
|
|
|
|
|
if (stmt || elt)
|
2004-06-19 17:33:06 +02:00
|
|
|
{
|
|
|
|
last = get_last_insn ();
|
|
|
|
|
2007-05-01 12:17:43 +02:00
|
|
|
if (stmt)
|
|
|
|
{
|
2008-07-28 16:33:56 +02:00
|
|
|
tree stmt_tree = gimple_to_tree (stmt);
|
|
|
|
expand_expr_stmt (stmt_tree);
|
|
|
|
release_stmt_tree (stmt, stmt_tree);
|
|
|
|
gsi_next (&gsi);
|
2007-05-01 12:17:43 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (elt)
|
2007-06-05 17:41:04 +02:00
|
|
|
emit_label ((rtx) *elt);
|
2004-06-19 17:33:06 +02:00
|
|
|
|
2004-07-21 21:23:03 +02:00
|
|
|
/* Java emits line number notes in the top of labels.
|
2006-05-19 00:16:23 +02:00
|
|
|
??? Make this go away once line number notes are obsoleted. */
|
2004-06-19 17:33:06 +02:00
|
|
|
BB_HEAD (bb) = NEXT_INSN (last);
|
alias.c (nonlocal_mentioned_p, [...]): Use, LABEL_P, JUMP_P, CALL_P, NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
2004-07-08 Jerry Quinn <jlquinn@optonline.net>
* alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
* bb-reorder.c (mark_bb_for_unlikely_executed_section,
add_labels_and_missing_jumps, find_jump_block,
fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
Likewise.
* bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
link_btr_uses, move_btr_def): Likewise.
* builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
expand_builtin_expect_jump): Likewise.
* caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
* calls.c (expand_call, emit_library_call_value_1): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
* cfgbuild.c (inside_basic_block_p, count_basic_blocks,
make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
find_bb_boundaries): Likewise.
* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps, insns_match_p,
flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
try_optimize_cfg): Likewise.
* cfgexpand.c (expand_block, construct_exit_block): Likewise.
* cfglayout.c (skip_insns_after_block, label_for_bb,
record_effective_endpoints, insn_locators_initialize,
fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
* cfgmainloop.c (create_loop_notes): Likewise.
* cfgrtl.c (delete_insn, delete_insn_chain,
create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
redirect_branch_edge, force_nonfallthru_and_redirect,
rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
purge_dead_edges, cfg_layout_redirect_edge_and_branch,
cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
* combine.c (combine_instructions, can_combine_p, try_combine,
find_split_point, record_dead_and_set_regs, reg_dead_at_p,
distribute_notes, distribute_links, insn_cuid): Likewise.
* cse.c (fold_rtx, cse_insn, cse_around_loop,
invalidate_skipped_block, cse_set_around_loop,
cse_end_of_basic_block, cse_main, cse_basic_block,
cse_condition_code_reg): Likewise.
* cselib.c (cselib_process_insn): Likewise.
* ddg.c (create_ddg): Likewise.
* df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
Likewise.
* dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
gen_label_die, dwarf2out_var_location): Likewise.
* emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
last_call_insn, active_insn_p, next_label, prev_label,
link_cc0_insns, next_cc0_user, try_split, add_insn_after,
add_insn_before, remove_insn, add_function_usage_to,
reorder_insns, find_line_note, remove_unnecessary_notes,
emit_insn_after_1, classify_insn): Likewise.
* except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
connect_post_landing_pads, sjlj_mark_call_sites,
sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
can_throw_internal, can_throw_external, set_nothrow_function_flags,
convert_to_eh_region_ranges): Likewise.
* explow.c (optimize_save_area_alloca): Likewise.
* expr.c (expand_expr_real): Likewise.
* final.c (insn_current_reference_address, compute_alignments,
shorten_branches, final, scan_ahead_for_unlikely_executed_note,
final_scan_insn, output_asm_label, leaf_function_p): Likewise.
* flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
propagate_block_delete_insn, propagate_one_insn,
init_propagate_block_info, propagate_block, libcall_dead_p,
mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
Likewise.
* function.c (instantiate_virtual_regs, reorder_blocks_1,
expand_function_start, expand_function_end, contains,
thread_prologue_and_epilogue_insns,
reposition_prologue_and_epilogue_notes): Likewise.
* gcse.c (constprop_register, bypass_conditional_jumps,
insert_insn_end_bb, gcse_after_reload): Likewise.
* genemit.c (gen_expand, gen_split): Likewise.
* genpeep.c (gen_peephole, main): Likewise.
* global.c (build_insn_chain): Likewise.
* graph.c (node_data, print_rtl_graph_with_bb): Likewise.
* haifa-sched.c (unlink_other_notes, unlink_line_notes,
get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
restore_line_notes, rm_redundant_line_notes, rm_other_notes,
ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
* ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
merge_if_block, block_jumps_and_fallthru_p, find_if_block,
dead_or_predicable): Likewise.
* integrate.c (try_constants): Likewise.
* jump.c (rebuild_jump_labels, cleanup_barriers,
purge_line_number_notes, init_label_info, mark_all_labels,
squeeze_notes, get_label_before, get_label_after,
reversed_comparison_code_parts, simplejump_p, pc_set,
returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
delete_barrier, delete_prior_computation, delete_computation,
delete_related_insns, delete_for_peephole, redirect_jump):
Likewise.
* lcm.c (optimize_mode_switching): Likewise.
* local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
Likewise.
* loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
* loop-invariant.c (find_exits, find_invariants_bb): Likewise.
* loop-iv.c (simplify_using_assignment): Likewise.
* loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
check_insn_for_givs, check_final_value, update_giv_derive,
basic_induction_var, product_cheap_p, check_dbra_loop,
loop_insn_first_p, last_use_this_basic_block,
canonicalize_condition, get_condition, loop_regs_scan, load_mems,
try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
* modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
sms_schedule_by_order): Likewise.
* optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
* postreload.c (reload_cse_simplify_operands, reload_combine,
reload_cse_move2add): Likewise.
* predict.c (can_predict_insn_p, estimate_probability,
expected_value_to_br_prob, process_note_predictions): Likewise.
* print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
* profile.c (branch_prob): Likewise.
* ra-build.c (live_out_1, livethrough_conflicts_bb,
detect_webs_set_in_cond_jump): Likewise.
* ra-debug.c (ra_print_rtx_object, ra_debug_insns,
ra_print_rtl_with_bb): Likewise.
* ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
* recog.c (next_insn_tests_no_inequality, find_single_use,
split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
* reg-stack.c (next_flags_user, record_label_references,
emit_swap_insn, swap_rtx_condition, subst_stack_regs,
compensate_edge, convert_regs_1): Likewise.
* regclass.c (scan_one_insn): Likewise.
* regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
regmove_optimize, fixup_match_1, single_set_for_csa,
combine_stack_adjustments_for_block): Likewise.
* regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
* reload.c (find_reloads, find_reloads_address_1, subst_reloads,
find_equiv_reg): Likewise.
* reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
reload_as_needed, emit_input_reload_insns, do_output_reload,
delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
Likewise.
* reorg.c (find_end_label, emit_delay_sequence,
delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
get_jump_flags, rare_destination, mostly_true_jump,
try_merge_delay_insns, redundant_insn, own_thread_p,
fill_simple_delay_slots, fill_slots_from_thread,
fill_eager_delay_slots, relax_delay_slots, make_return_insns,
dbr_schedule): Likewise.
* resource.c (find_basic_block, next_insn_no_annul,
find_dead_or_set_registers, mark_target_live_regs): Likewise.
* rtl.h (RTX_PREV): Likewise.
* rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
tablejump_p, computed_jump_p, insns_safe_to_move_p,
find_first_parameter_load, can_hoist_insn_p): Likewise.
* sched-deps.c (get_condition, add_dependence, sched_analyze_2,
sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
* sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
schedule_ebbs): Likewise.
* sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
is_conditionally_protected, can_schedule_ready_p,
add_branch_dependences, debug_dependencies): Likewise.
* stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
Likewise.
* unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
set_dominates_use, ujump_to_loop_cont): Likewise.
* var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
* varasm.c (output_constant_pool_1): Likewise.
From-SVN: r84341
2004-07-09 05:29:35 +02:00
|
|
|
if (NOTE_P (BB_HEAD (bb)))
|
2004-06-19 17:33:06 +02:00
|
|
|
BB_HEAD (bb) = NEXT_INSN (BB_HEAD (bb));
|
|
|
|
note = emit_note_after (NOTE_INSN_BASIC_BLOCK, BB_HEAD (bb));
|
2004-10-09 00:56:55 +02:00
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
maybe_dump_rtl_for_gimple_stmt (stmt, last);
|
2004-06-19 17:33:06 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
note = BB_HEAD (bb) = emit_note (NOTE_INSN_BASIC_BLOCK);
|
|
|
|
|
|
|
|
NOTE_BASIC_BLOCK (note) = bb;
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
for (; !gsi_end_p (gsi); gsi_next (&gsi))
|
2004-06-19 17:33:06 +02:00
|
|
|
{
|
2004-08-23 02:02:55 +02:00
|
|
|
basic_block new_bb;
|
2004-06-19 17:33:06 +02:00
|
|
|
|
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
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stmt = gsi_stmt (gsi);
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2004-06-19 17:33:06 +02:00
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/* Expand this statement, then evaluate the resulting RTL and
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fixup the CFG accordingly. */
|
2008-07-28 16:33:56 +02:00
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if (gimple_code (stmt) == GIMPLE_COND)
|
2004-08-23 02:02:55 +02:00
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{
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2008-07-28 16:33:56 +02:00
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new_bb = expand_gimple_cond (bb, stmt);
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2004-08-23 02:02:55 +02:00
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if (new_bb)
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return new_bb;
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}
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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
|
|
|
else if (gimple_debug_bind_p (stmt))
|
|
|
|
{
|
|
|
|
location_t sloc = get_curr_insn_source_location ();
|
|
|
|
tree sblock = get_curr_insn_block ();
|
|
|
|
gimple_stmt_iterator nsi = gsi;
|
|
|
|
|
|
|
|
for (;;)
|
|
|
|
{
|
|
|
|
tree var = gimple_debug_bind_get_var (stmt);
|
|
|
|
tree value;
|
|
|
|
rtx val;
|
|
|
|
enum machine_mode mode;
|
|
|
|
|
|
|
|
if (gimple_debug_bind_has_value_p (stmt))
|
|
|
|
value = gimple_debug_bind_get_value (stmt);
|
|
|
|
else
|
|
|
|
value = NULL_TREE;
|
|
|
|
|
|
|
|
last = get_last_insn ();
|
|
|
|
|
|
|
|
set_curr_insn_source_location (gimple_location (stmt));
|
|
|
|
set_curr_insn_block (gimple_block (stmt));
|
|
|
|
|
|
|
|
if (DECL_P (var))
|
|
|
|
mode = DECL_MODE (var);
|
|
|
|
else
|
|
|
|
mode = TYPE_MODE (TREE_TYPE (var));
|
|
|
|
|
|
|
|
val = gen_rtx_VAR_LOCATION
|
|
|
|
(mode, var, (rtx)value, VAR_INIT_STATUS_INITIALIZED);
|
|
|
|
|
|
|
|
val = emit_debug_insn (val);
|
|
|
|
|
|
|
|
if (dump_file && (dump_flags & TDF_DETAILS))
|
|
|
|
{
|
|
|
|
/* We can't dump the insn with a TREE where an RTX
|
|
|
|
is expected. */
|
|
|
|
INSN_VAR_LOCATION_LOC (val) = const0_rtx;
|
|
|
|
maybe_dump_rtl_for_gimple_stmt (stmt, last);
|
|
|
|
INSN_VAR_LOCATION_LOC (val) = (rtx)value;
|
|
|
|
}
|
|
|
|
|
|
|
|
gsi = nsi;
|
|
|
|
gsi_next (&nsi);
|
|
|
|
if (gsi_end_p (nsi))
|
|
|
|
break;
|
|
|
|
stmt = gsi_stmt (nsi);
|
|
|
|
if (!gimple_debug_bind_p (stmt))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
set_curr_insn_source_location (sloc);
|
|
|
|
set_curr_insn_block (sblock);
|
|
|
|
}
|
2004-07-21 04:03:28 +02:00
|
|
|
else
|
2004-06-19 17:33:06 +02:00
|
|
|
{
|
2008-07-28 16:33:56 +02:00
|
|
|
if (is_gimple_call (stmt) && gimple_call_tail_p (stmt))
|
2004-08-23 02:02:55 +02:00
|
|
|
{
|
|
|
|
bool can_fallthru;
|
|
|
|
new_bb = expand_gimple_tailcall (bb, stmt, &can_fallthru);
|
|
|
|
if (new_bb)
|
|
|
|
{
|
|
|
|
if (can_fallthru)
|
|
|
|
bb = new_bb;
|
|
|
|
else
|
|
|
|
return new_bb;
|
|
|
|
}
|
|
|
|
}
|
2009-05-22 22:41:31 +02:00
|
|
|
else
|
2004-10-09 00:56:55 +02:00
|
|
|
{
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
def_operand_p def_p;
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tree stmt_tree;
|
|
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|
def_p = SINGLE_SSA_DEF_OPERAND (stmt, SSA_OP_DEF);
|
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|
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|
|
if (def_p != NULL)
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|
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{
|
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|
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/* Ignore this stmt if it is in the list of
|
|
|
|
replaceable expressions. */
|
|
|
|
if (SA.values
|
2009-04-27 14:16:00 +02:00
|
|
|
&& bitmap_bit_p (SA.values,
|
|
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|
SSA_NAME_VERSION (DEF_FROM_PTR (def_p))))
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
stmt_tree = gimple_to_tree (stmt);
|
2004-10-09 00:56:55 +02:00
|
|
|
last = get_last_insn ();
|
2008-07-28 16:33:56 +02:00
|
|
|
expand_expr_stmt (stmt_tree);
|
|
|
|
maybe_dump_rtl_for_gimple_stmt (stmt, last);
|
|
|
|
release_stmt_tree (stmt, stmt_tree);
|
2004-10-09 00:56:55 +02:00
|
|
|
}
|
2004-06-19 17:33:06 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-10-07 20:48:40 +02:00
|
|
|
/* Expand implicit goto and convert goto_locus. */
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
FOR_EACH_EDGE (e, ei, bb->succs)
|
|
|
|
{
|
2008-10-07 20:48:40 +02:00
|
|
|
if (e->goto_locus && e->goto_block)
|
|
|
|
{
|
|
|
|
set_curr_insn_source_location (e->goto_locus);
|
|
|
|
set_curr_insn_block (e->goto_block);
|
|
|
|
e->goto_locus = curr_insn_locator ();
|
|
|
|
}
|
|
|
|
e->goto_block = NULL;
|
|
|
|
if ((e->flags & EDGE_FALLTHRU) && e->dest != bb->next_bb)
|
|
|
|
{
|
|
|
|
emit_jump (label_rtx_for_bb (e->dest));
|
|
|
|
e->flags &= ~EDGE_FALLTHRU;
|
|
|
|
}
|
tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
2007-04-27 10:20:39 +02:00
|
|
|
}
|
|
|
|
|
2004-06-19 17:33:06 +02:00
|
|
|
do_pending_stack_adjust ();
|
|
|
|
|
2005-02-24 22:47:26 +01:00
|
|
|
/* Find the block tail. The last insn in the block is the insn
|
2004-06-19 17:33:06 +02:00
|
|
|
before a barrier and/or table jump insn. */
|
|
|
|
last = get_last_insn ();
|
alias.c (nonlocal_mentioned_p, [...]): Use, LABEL_P, JUMP_P, CALL_P, NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
2004-07-08 Jerry Quinn <jlquinn@optonline.net>
* alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
* bb-reorder.c (mark_bb_for_unlikely_executed_section,
add_labels_and_missing_jumps, find_jump_block,
fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
Likewise.
* bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
link_btr_uses, move_btr_def): Likewise.
* builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
expand_builtin_expect_jump): Likewise.
* caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
* calls.c (expand_call, emit_library_call_value_1): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
* cfgbuild.c (inside_basic_block_p, count_basic_blocks,
make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
find_bb_boundaries): Likewise.
* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps, insns_match_p,
flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
try_optimize_cfg): Likewise.
* cfgexpand.c (expand_block, construct_exit_block): Likewise.
* cfglayout.c (skip_insns_after_block, label_for_bb,
record_effective_endpoints, insn_locators_initialize,
fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
* cfgmainloop.c (create_loop_notes): Likewise.
* cfgrtl.c (delete_insn, delete_insn_chain,
create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
redirect_branch_edge, force_nonfallthru_and_redirect,
rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
purge_dead_edges, cfg_layout_redirect_edge_and_branch,
cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
* combine.c (combine_instructions, can_combine_p, try_combine,
find_split_point, record_dead_and_set_regs, reg_dead_at_p,
distribute_notes, distribute_links, insn_cuid): Likewise.
* cse.c (fold_rtx, cse_insn, cse_around_loop,
invalidate_skipped_block, cse_set_around_loop,
cse_end_of_basic_block, cse_main, cse_basic_block,
cse_condition_code_reg): Likewise.
* cselib.c (cselib_process_insn): Likewise.
* ddg.c (create_ddg): Likewise.
* df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
Likewise.
* dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
gen_label_die, dwarf2out_var_location): Likewise.
* emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
last_call_insn, active_insn_p, next_label, prev_label,
link_cc0_insns, next_cc0_user, try_split, add_insn_after,
add_insn_before, remove_insn, add_function_usage_to,
reorder_insns, find_line_note, remove_unnecessary_notes,
emit_insn_after_1, classify_insn): Likewise.
* except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
connect_post_landing_pads, sjlj_mark_call_sites,
sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
can_throw_internal, can_throw_external, set_nothrow_function_flags,
convert_to_eh_region_ranges): Likewise.
* explow.c (optimize_save_area_alloca): Likewise.
* expr.c (expand_expr_real): Likewise.
* final.c (insn_current_reference_address, compute_alignments,
shorten_branches, final, scan_ahead_for_unlikely_executed_note,
final_scan_insn, output_asm_label, leaf_function_p): Likewise.
* flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
propagate_block_delete_insn, propagate_one_insn,
init_propagate_block_info, propagate_block, libcall_dead_p,
mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
Likewise.
* function.c (instantiate_virtual_regs, reorder_blocks_1,
expand_function_start, expand_function_end, contains,
thread_prologue_and_epilogue_insns,
reposition_prologue_and_epilogue_notes): Likewise.
* gcse.c (constprop_register, bypass_conditional_jumps,
insert_insn_end_bb, gcse_after_reload): Likewise.
* genemit.c (gen_expand, gen_split): Likewise.
* genpeep.c (gen_peephole, main): Likewise.
* global.c (build_insn_chain): Likewise.
* graph.c (node_data, print_rtl_graph_with_bb): Likewise.
* haifa-sched.c (unlink_other_notes, unlink_line_notes,
get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
restore_line_notes, rm_redundant_line_notes, rm_other_notes,
ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
* ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
merge_if_block, block_jumps_and_fallthru_p, find_if_block,
dead_or_predicable): Likewise.
* integrate.c (try_constants): Likewise.
* jump.c (rebuild_jump_labels, cleanup_barriers,
purge_line_number_notes, init_label_info, mark_all_labels,
squeeze_notes, get_label_before, get_label_after,
reversed_comparison_code_parts, simplejump_p, pc_set,
returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
delete_barrier, delete_prior_computation, delete_computation,
delete_related_insns, delete_for_peephole, redirect_jump):
Likewise.
* lcm.c (optimize_mode_switching): Likewise.
* local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
Likewise.
* loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
* loop-invariant.c (find_exits, find_invariants_bb): Likewise.
* loop-iv.c (simplify_using_assignment): Likewise.
* loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
check_insn_for_givs, check_final_value, update_giv_derive,
basic_induction_var, product_cheap_p, check_dbra_loop,
loop_insn_first_p, last_use_this_basic_block,
canonicalize_condition, get_condition, loop_regs_scan, load_mems,
try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
* modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
sms_schedule_by_order): Likewise.
* optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
* postreload.c (reload_cse_simplify_operands, reload_combine,
reload_cse_move2add): Likewise.
* predict.c (can_predict_insn_p, estimate_probability,
expected_value_to_br_prob, process_note_predictions): Likewise.
* print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
* profile.c (branch_prob): Likewise.
* ra-build.c (live_out_1, livethrough_conflicts_bb,
detect_webs_set_in_cond_jump): Likewise.
* ra-debug.c (ra_print_rtx_object, ra_debug_insns,
ra_print_rtl_with_bb): Likewise.
* ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
* recog.c (next_insn_tests_no_inequality, find_single_use,
split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
* reg-stack.c (next_flags_user, record_label_references,
emit_swap_insn, swap_rtx_condition, subst_stack_regs,
compensate_edge, convert_regs_1): Likewise.
* regclass.c (scan_one_insn): Likewise.
* regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
regmove_optimize, fixup_match_1, single_set_for_csa,
combine_stack_adjustments_for_block): Likewise.
* regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
* reload.c (find_reloads, find_reloads_address_1, subst_reloads,
find_equiv_reg): Likewise.
* reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
reload_as_needed, emit_input_reload_insns, do_output_reload,
delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
Likewise.
* reorg.c (find_end_label, emit_delay_sequence,
delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
get_jump_flags, rare_destination, mostly_true_jump,
try_merge_delay_insns, redundant_insn, own_thread_p,
fill_simple_delay_slots, fill_slots_from_thread,
fill_eager_delay_slots, relax_delay_slots, make_return_insns,
dbr_schedule): Likewise.
* resource.c (find_basic_block, next_insn_no_annul,
find_dead_or_set_registers, mark_target_live_regs): Likewise.
* rtl.h (RTX_PREV): Likewise.
* rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
tablejump_p, computed_jump_p, insns_safe_to_move_p,
find_first_parameter_load, can_hoist_insn_p): Likewise.
* sched-deps.c (get_condition, add_dependence, sched_analyze_2,
sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
* sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
schedule_ebbs): Likewise.
* sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
is_conditionally_protected, can_schedule_ready_p,
add_branch_dependences, debug_dependencies): Likewise.
* stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
Likewise.
* unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
set_dominates_use, ujump_to_loop_cont): Likewise.
* var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
* varasm.c (output_constant_pool_1): Likewise.
From-SVN: r84341
2004-07-09 05:29:35 +02:00
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if (BARRIER_P (last))
|
2004-06-19 17:33:06 +02:00
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last = PREV_INSN (last);
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if (JUMP_TABLE_DATA_P (last))
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last = PREV_INSN (PREV_INSN (last));
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BB_END (bb) = last;
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2004-07-21 21:23:03 +02:00
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2004-06-19 17:33:06 +02:00
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update_bb_for_insn (bb);
|
2004-07-21 04:03:28 +02:00
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2004-06-19 17:33:06 +02:00
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return bb;
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}
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/* Create a basic block for initialization code. */
|
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|
|
|
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static basic_block
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|
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construct_init_block (void)
|
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{
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basic_block init_block, first_block;
|
2005-05-29 00:27:04 +02:00
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edge e = NULL;
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int flags;
|
2004-09-17 08:23:54 +02:00
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2005-05-29 00:27:04 +02:00
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/* Multiple entry points not supported yet. */
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gcc_assert (EDGE_COUNT (ENTRY_BLOCK_PTR->succs) == 1);
|
2005-06-16 12:33:40 +02:00
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init_rtl_bb_info (ENTRY_BLOCK_PTR);
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init_rtl_bb_info (EXIT_BLOCK_PTR);
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ENTRY_BLOCK_PTR->flags |= BB_RTL;
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EXIT_BLOCK_PTR->flags |= BB_RTL;
|
2004-06-19 17:33:06 +02:00
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2005-05-29 00:27:04 +02:00
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e = EDGE_SUCC (ENTRY_BLOCK_PTR, 0);
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2004-09-17 08:23:54 +02:00
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|
2005-05-29 00:27:04 +02:00
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/* When entry edge points to first basic block, we don't need jump,
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otherwise we have to jump into proper target. */
|
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if (e && e->dest != ENTRY_BLOCK_PTR->next_bb)
|
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{
|
2008-07-28 16:33:56 +02:00
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tree label = gimple_block_label (e->dest);
|
2005-05-29 00:27:04 +02:00
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emit_jump (label_rtx (label));
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flags = 0;
|
2004-09-17 08:23:54 +02:00
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}
|
2005-05-29 00:27:04 +02:00
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else
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flags = EDGE_FALLTHRU;
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2004-06-19 17:33:06 +02:00
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init_block = create_basic_block (NEXT_INSN (get_insns ()),
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get_last_insn (),
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ENTRY_BLOCK_PTR);
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init_block->frequency = ENTRY_BLOCK_PTR->frequency;
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init_block->count = ENTRY_BLOCK_PTR->count;
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if (e)
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{
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first_block = e->dest;
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redirect_edge_succ (e, init_block);
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2005-05-29 00:27:04 +02:00
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e = make_edge (init_block, first_block, flags);
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2004-06-19 17:33:06 +02:00
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}
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else
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e = make_edge (init_block, EXIT_BLOCK_PTR, EDGE_FALLTHRU);
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e->probability = REG_BR_PROB_BASE;
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e->count = ENTRY_BLOCK_PTR->count;
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update_bb_for_insn (init_block);
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return init_block;
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}
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alpha.c (alpha_output_mi_thunk_osf): Use insn_locators_alloc instead of insn_locators_initialize...
* config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
insn_locators_alloc instead of insn_locators_initialize;
call reset_block_changes.
* config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
* config/sh/sh.c (sparc_output_mi_thunk): Likewise.
* config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
* config/score/score.c (th_output_mi_thunk): Likewise.
* config/mips/mips.c (mips_output_mi_thunk): Likewise.
* cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
tolerate uninitialized locator info.
Re-apply:
* function.c (init_function_start): Don't init line number info.
(expand_function_end): Update.
(reset_block_changes, record_block_change, finalize_block_changes,
check_block_change, free_block_changes): Kill.
* function.h (reset_block_changes, record_block_change,
finalize_block_changes, check_block_change, free_block_changes): Remove
prototypes.
(struct function): Remove ib_boundaries_block.
* emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
Use curr_insn_locator to initialize locator.
(emit_line_note): Remove.
* cfgexpand.c (expand_gimple_cond_expr): Update.
(construct_exit_block): Likewise.
(tree_expand_cfg): Initialize/finalize locators.
* expr.c (expand_expr_real): Update.
* cfglayout.c (line_locators_locs, line_locators_lines,
file_locators_locs, file_locators_files): Remove.
(set_block_levels): Move to cfgexpand.c.
(insn_locators_initialize): Remove.
(pass_insn_locators_initialize): Remove.
(locations_locators_locs, locations_locators_vals): New static vars.
(curr_location, last_location, curr_block, last_block, curr_rtl_loc):
Likewise.
(insn_locators_alloc, insn_locators_finalize,
set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
New functions.
(locator_location): New.
(locator_line, locator_file): Rewrite.
* rtl.h (emit_line_note): Kill.
(insn_locators_alloc, insn_locators_finalize,
set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
Declare.
* tree-inline.c (initialize_cfun): Do not initialize
ib_boundaries_block.
* passes.c (pass_insn_locators_initialize): Remove.
From-SVN: r124258
2007-04-28 10:20:08 +02:00
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/* For each lexical block, set BLOCK_NUMBER to the depth at which it is
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found in the block tree. */
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static void
|
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set_block_levels (tree block, int level)
|
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{
|
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while (block)
|
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{
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BLOCK_NUMBER (block) = level;
|
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set_block_levels (BLOCK_SUBBLOCKS (block), level + 1);
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block = BLOCK_CHAIN (block);
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}
|
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}
|
2004-06-19 17:33:06 +02:00
|
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|
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/* Create a block containing landing pads and similar stuff. */
|
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|
|
|
|
|
static void
|
|
|
|
construct_exit_block (void)
|
|
|
|
{
|
|
|
|
rtx head = get_last_insn ();
|
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|
rtx end;
|
|
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basic_block exit_block;
|
backport: basic-block.h: Include vec.h, errors.h.
2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
2004-09-28 09:59:54 +02:00
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edge e, e2;
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unsigned ix;
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edge_iterator ei;
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2006-11-27 16:07:10 +01:00
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rtx orig_end = BB_END (EXIT_BLOCK_PTR->prev_bb);
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2004-06-19 17:33:06 +02:00
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predict.c (always_optimize_for_size_p): New function.
* predict.c (always_optimize_for_size_p): New function.
(optimize_bb_for_size_p, optimize_bb_for_speed_p,
optimize_edge_for_size_p, optimize_edge_for_speed_p,
optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
functions.
(rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
* function.c (prepare_function_start): Set default profile.
* function.h (rtl_data): Add maybe_hot_insn_p.
* cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
(construct_exit_block): Likewise.
(tree_expand_cfg): Likewise.
* basic-block.h
(optimize_bb_for_size_p, optimize_bb_for_speed_p,
optimize_edge_for_size_p, optimize_edge_for_speed_p,
optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
(rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
Declare.
From-SVN: r138237
2008-07-29 12:52:16 +02:00
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rtl_profile_for_bb (EXIT_BLOCK_PTR);
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2004-07-21 21:23:03 +02:00
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/* Make sure the locus is set to the end of the function, so that
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2004-06-19 17:33:06 +02:00
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epilogue line numbers and warnings are set properly. */
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2004-06-30 20:18:01 +02:00
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if (cfun->function_end_locus != UNKNOWN_LOCATION)
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2004-06-19 17:33:06 +02:00
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input_location = cfun->function_end_locus;
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/* The following insns belong to the top scope. */
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alpha.c (alpha_output_mi_thunk_osf): Use insn_locators_alloc instead of insn_locators_initialize...
* config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
insn_locators_alloc instead of insn_locators_initialize;
call reset_block_changes.
* config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
* config/sh/sh.c (sparc_output_mi_thunk): Likewise.
* config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
* config/score/score.c (th_output_mi_thunk): Likewise.
* config/mips/mips.c (mips_output_mi_thunk): Likewise.
* cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
tolerate uninitialized locator info.
Re-apply:
* function.c (init_function_start): Don't init line number info.
(expand_function_end): Update.
(reset_block_changes, record_block_change, finalize_block_changes,
check_block_change, free_block_changes): Kill.
* function.h (reset_block_changes, record_block_change,
finalize_block_changes, check_block_change, free_block_changes): Remove
prototypes.
(struct function): Remove ib_boundaries_block.
* emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
Use curr_insn_locator to initialize locator.
(emit_line_note): Remove.
* cfgexpand.c (expand_gimple_cond_expr): Update.
(construct_exit_block): Likewise.
(tree_expand_cfg): Initialize/finalize locators.
* expr.c (expand_expr_real): Update.
* cfglayout.c (line_locators_locs, line_locators_lines,
file_locators_locs, file_locators_files): Remove.
(set_block_levels): Move to cfgexpand.c.
(insn_locators_initialize): Remove.
(pass_insn_locators_initialize): Remove.
(locations_locators_locs, locations_locators_vals): New static vars.
(curr_location, last_location, curr_block, last_block, curr_rtl_loc):
Likewise.
(insn_locators_alloc, insn_locators_finalize,
set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
New functions.
(locator_location): New.
(locator_line, locator_file): Rewrite.
* rtl.h (emit_line_note): Kill.
(insn_locators_alloc, insn_locators_finalize,
set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
Declare.
* tree-inline.c (initialize_cfun): Do not initialize
ib_boundaries_block.
* passes.c (pass_insn_locators_initialize): Remove.
From-SVN: r124258
2007-04-28 10:20:08 +02:00
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set_curr_insn_block (DECL_INITIAL (current_function_decl));
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2004-06-19 17:33:06 +02:00
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/* Generate rtl for function exit. */
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expand_function_end ();
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end = get_last_insn ();
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if (head == end)
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return;
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2006-11-27 16:07:10 +01:00
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/* While emitting the function end we could move end of the last basic block.
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*/
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BB_END (EXIT_BLOCK_PTR->prev_bb) = orig_end;
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alias.c (nonlocal_mentioned_p, [...]): Use, LABEL_P, JUMP_P, CALL_P, NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
2004-07-08 Jerry Quinn <jlquinn@optonline.net>
* alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
* bb-reorder.c (mark_bb_for_unlikely_executed_section,
add_labels_and_missing_jumps, find_jump_block,
fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
Likewise.
* bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
link_btr_uses, move_btr_def): Likewise.
* builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
expand_builtin_expect_jump): Likewise.
* caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
* calls.c (expand_call, emit_library_call_value_1): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
* cfgbuild.c (inside_basic_block_p, count_basic_blocks,
make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
find_bb_boundaries): Likewise.
* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps, insns_match_p,
flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
try_optimize_cfg): Likewise.
* cfgexpand.c (expand_block, construct_exit_block): Likewise.
* cfglayout.c (skip_insns_after_block, label_for_bb,
record_effective_endpoints, insn_locators_initialize,
fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
* cfgmainloop.c (create_loop_notes): Likewise.
* cfgrtl.c (delete_insn, delete_insn_chain,
create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
redirect_branch_edge, force_nonfallthru_and_redirect,
rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
purge_dead_edges, cfg_layout_redirect_edge_and_branch,
cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
* combine.c (combine_instructions, can_combine_p, try_combine,
find_split_point, record_dead_and_set_regs, reg_dead_at_p,
distribute_notes, distribute_links, insn_cuid): Likewise.
* cse.c (fold_rtx, cse_insn, cse_around_loop,
invalidate_skipped_block, cse_set_around_loop,
cse_end_of_basic_block, cse_main, cse_basic_block,
cse_condition_code_reg): Likewise.
* cselib.c (cselib_process_insn): Likewise.
* ddg.c (create_ddg): Likewise.
* df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
Likewise.
* dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
gen_label_die, dwarf2out_var_location): Likewise.
* emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
last_call_insn, active_insn_p, next_label, prev_label,
link_cc0_insns, next_cc0_user, try_split, add_insn_after,
add_insn_before, remove_insn, add_function_usage_to,
reorder_insns, find_line_note, remove_unnecessary_notes,
emit_insn_after_1, classify_insn): Likewise.
* except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
connect_post_landing_pads, sjlj_mark_call_sites,
sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
can_throw_internal, can_throw_external, set_nothrow_function_flags,
convert_to_eh_region_ranges): Likewise.
* explow.c (optimize_save_area_alloca): Likewise.
* expr.c (expand_expr_real): Likewise.
* final.c (insn_current_reference_address, compute_alignments,
shorten_branches, final, scan_ahead_for_unlikely_executed_note,
final_scan_insn, output_asm_label, leaf_function_p): Likewise.
* flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
propagate_block_delete_insn, propagate_one_insn,
init_propagate_block_info, propagate_block, libcall_dead_p,
mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
Likewise.
* function.c (instantiate_virtual_regs, reorder_blocks_1,
expand_function_start, expand_function_end, contains,
thread_prologue_and_epilogue_insns,
reposition_prologue_and_epilogue_notes): Likewise.
* gcse.c (constprop_register, bypass_conditional_jumps,
insert_insn_end_bb, gcse_after_reload): Likewise.
* genemit.c (gen_expand, gen_split): Likewise.
* genpeep.c (gen_peephole, main): Likewise.
* global.c (build_insn_chain): Likewise.
* graph.c (node_data, print_rtl_graph_with_bb): Likewise.
* haifa-sched.c (unlink_other_notes, unlink_line_notes,
get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
restore_line_notes, rm_redundant_line_notes, rm_other_notes,
ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
* ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
merge_if_block, block_jumps_and_fallthru_p, find_if_block,
dead_or_predicable): Likewise.
* integrate.c (try_constants): Likewise.
* jump.c (rebuild_jump_labels, cleanup_barriers,
purge_line_number_notes, init_label_info, mark_all_labels,
squeeze_notes, get_label_before, get_label_after,
reversed_comparison_code_parts, simplejump_p, pc_set,
returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
delete_barrier, delete_prior_computation, delete_computation,
delete_related_insns, delete_for_peephole, redirect_jump):
Likewise.
* lcm.c (optimize_mode_switching): Likewise.
* local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
Likewise.
* loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
* loop-invariant.c (find_exits, find_invariants_bb): Likewise.
* loop-iv.c (simplify_using_assignment): Likewise.
* loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
check_insn_for_givs, check_final_value, update_giv_derive,
basic_induction_var, product_cheap_p, check_dbra_loop,
loop_insn_first_p, last_use_this_basic_block,
canonicalize_condition, get_condition, loop_regs_scan, load_mems,
try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
* modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
sms_schedule_by_order): Likewise.
* optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
* postreload.c (reload_cse_simplify_operands, reload_combine,
reload_cse_move2add): Likewise.
* predict.c (can_predict_insn_p, estimate_probability,
expected_value_to_br_prob, process_note_predictions): Likewise.
* print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
* profile.c (branch_prob): Likewise.
* ra-build.c (live_out_1, livethrough_conflicts_bb,
detect_webs_set_in_cond_jump): Likewise.
* ra-debug.c (ra_print_rtx_object, ra_debug_insns,
ra_print_rtl_with_bb): Likewise.
* ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
* recog.c (next_insn_tests_no_inequality, find_single_use,
split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
* reg-stack.c (next_flags_user, record_label_references,
emit_swap_insn, swap_rtx_condition, subst_stack_regs,
compensate_edge, convert_regs_1): Likewise.
* regclass.c (scan_one_insn): Likewise.
* regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
regmove_optimize, fixup_match_1, single_set_for_csa,
combine_stack_adjustments_for_block): Likewise.
* regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
* reload.c (find_reloads, find_reloads_address_1, subst_reloads,
find_equiv_reg): Likewise.
* reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
reload_as_needed, emit_input_reload_insns, do_output_reload,
delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
Likewise.
* reorg.c (find_end_label, emit_delay_sequence,
delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
get_jump_flags, rare_destination, mostly_true_jump,
try_merge_delay_insns, redundant_insn, own_thread_p,
fill_simple_delay_slots, fill_slots_from_thread,
fill_eager_delay_slots, relax_delay_slots, make_return_insns,
dbr_schedule): Likewise.
* resource.c (find_basic_block, next_insn_no_annul,
find_dead_or_set_registers, mark_target_live_regs): Likewise.
* rtl.h (RTX_PREV): Likewise.
* rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
tablejump_p, computed_jump_p, insns_safe_to_move_p,
find_first_parameter_load, can_hoist_insn_p): Likewise.
* sched-deps.c (get_condition, add_dependence, sched_analyze_2,
sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
* sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
schedule_ebbs): Likewise.
* sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
is_conditionally_protected, can_schedule_ready_p,
add_branch_dependences, debug_dependencies): Likewise.
* stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
Likewise.
* unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
set_dominates_use, ujump_to_loop_cont): Likewise.
* var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
* varasm.c (output_constant_pool_1): Likewise.
From-SVN: r84341
2004-07-09 05:29:35 +02:00
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while (NEXT_INSN (head) && NOTE_P (NEXT_INSN (head)))
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2004-06-19 17:33:06 +02:00
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head = NEXT_INSN (head);
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2004-07-21 04:03:28 +02:00
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exit_block = create_basic_block (NEXT_INSN (head), end,
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EXIT_BLOCK_PTR->prev_bb);
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2004-06-19 17:33:06 +02:00
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exit_block->frequency = EXIT_BLOCK_PTR->frequency;
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exit_block->count = EXIT_BLOCK_PTR->count;
|
backport: basic-block.h: Include vec.h, errors.h.
2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
2004-09-28 09:59:54 +02:00
|
|
|
|
|
|
|
ix = 0;
|
|
|
|
while (ix < EDGE_COUNT (EXIT_BLOCK_PTR->preds))
|
2004-06-19 17:33:06 +02:00
|
|
|
{
|
2005-03-03 17:22:38 +01:00
|
|
|
e = EDGE_PRED (EXIT_BLOCK_PTR, ix);
|
2004-06-19 17:33:06 +02:00
|
|
|
if (!(e->flags & EDGE_ABNORMAL))
|
backport: basic-block.h: Include vec.h, errors.h.
2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
2004-09-28 09:59:54 +02:00
|
|
|
redirect_edge_succ (e, exit_block);
|
|
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|
else
|
|
|
|
ix++;
|
2004-06-19 17:33:06 +02:00
|
|
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}
|
backport: basic-block.h: Include vec.h, errors.h.
2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
2004-09-28 09:59:54 +02:00
|
|
|
|
2004-06-19 17:33:06 +02:00
|
|
|
e = make_edge (exit_block, EXIT_BLOCK_PTR, EDGE_FALLTHRU);
|
|
|
|
e->probability = REG_BR_PROB_BASE;
|
|
|
|
e->count = EXIT_BLOCK_PTR->count;
|
backport: basic-block.h: Include vec.h, errors.h.
2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
2004-09-28 09:59:54 +02:00
|
|
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FOR_EACH_EDGE (e2, ei, EXIT_BLOCK_PTR->preds)
|
2004-06-19 17:33:06 +02:00
|
|
|
if (e2 != e)
|
|
|
|
{
|
2006-05-19 00:16:23 +02:00
|
|
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e->count -= e2->count;
|
2004-06-19 17:33:06 +02:00
|
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exit_block->count -= e2->count;
|
|
|
|
exit_block->frequency -= EDGE_FREQUENCY (e2);
|
|
|
|
}
|
|
|
|
if (e->count < 0)
|
|
|
|
e->count = 0;
|
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|
|
if (exit_block->count < 0)
|
|
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|
exit_block->count = 0;
|
|
|
|
if (exit_block->frequency < 0)
|
|
|
|
exit_block->frequency = 0;
|
|
|
|
update_bb_for_insn (exit_block);
|
|
|
|
}
|
|
|
|
|
2006-05-19 00:16:23 +02:00
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|
|
/* Helper function for discover_nonconstant_array_refs.
|
2005-10-19 18:27:10 +02:00
|
|
|
Look for ARRAY_REF nodes with non-constant indexes and mark them
|
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|
addressable. */
|
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|
|
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|
|
|
static tree
|
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|
discover_nonconstant_array_refs_r (tree * tp, int *walk_subtrees,
|
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|
|
void *data ATTRIBUTE_UNUSED)
|
|
|
|
{
|
|
|
|
tree t = *tp;
|
|
|
|
|
|
|
|
if (IS_TYPE_OR_DECL_P (t))
|
|
|
|
*walk_subtrees = 0;
|
|
|
|
else if (TREE_CODE (t) == ARRAY_REF || TREE_CODE (t) == ARRAY_RANGE_REF)
|
|
|
|
{
|
|
|
|
while (((TREE_CODE (t) == ARRAY_REF || TREE_CODE (t) == ARRAY_RANGE_REF)
|
|
|
|
&& is_gimple_min_invariant (TREE_OPERAND (t, 1))
|
|
|
|
&& (!TREE_OPERAND (t, 2)
|
|
|
|
|| is_gimple_min_invariant (TREE_OPERAND (t, 2))))
|
|
|
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|| (TREE_CODE (t) == COMPONENT_REF
|
|
|
|
&& (!TREE_OPERAND (t,2)
|
|
|
|
|| is_gimple_min_invariant (TREE_OPERAND (t, 2))))
|
|
|
|
|| TREE_CODE (t) == BIT_FIELD_REF
|
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|| TREE_CODE (t) == REALPART_EXPR
|
|
|
|
|| TREE_CODE (t) == IMAGPART_EXPR
|
|
|
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|| TREE_CODE (t) == VIEW_CONVERT_EXPR
|
pa.c (reloc_needed): Use CASE_CONVERT.
* config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
* tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
* tree-ssa-structalias.c (get_constraint_for): Likewise.
* c-common.c (c_common_truthvalue_conversion): Likewise.
* tree-object-size.c (compute_object_offset): Likewise.
* tree-inline.c (estimate_num_insns_1): Likewise.
* varasm.c (const_hash_1, compare_constant, copy_constant)
(compute_reloc_for_constant, output_addressed_constants)
(initializer_constant_valid_p): Likewise.
* c-omp.c (check_omp_for_incr_expr): Likewise.
* gimplify.c (gimplify_expr): Likewise.
* c-typeck.c (c_finish_return): Likewise.
* tree-vectorizer.c (supportable_widening_operation)
(supportable_narrowing_operation): Likewise.
* c-pretty-print.c (pp_c_cast_expression, pp_c_expression):
Likewise.
* matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
* expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
* dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
(descr_info_loc): Likewise.
* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
* fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
(fold_unary): Likewise.
* builtins.c (get_pointer_alignment): Likewise.
* tree-scalar-evolution.c (interpret_rhs_modify_stmt)
(instantiate_parameters_1): Likewise.
* tree.c (expr_align, stabilize_reference): Likewise.
* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
* tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
* convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
* tree-ssa-threadedge.c (simplify_control_stmt_condition):
Likewise.
* config/alpha/alpha.c (va_list_skip_additions): Likewise.
* c-common.c (c_alignof_expr, check_function_arguments_recurse):
Likewise.
* tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
* varasm.c (initializer_constant_valid_p, output_constant):
Likewise.
* tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
(forward_propagate_addr_expr_1, forward_propagate_addr_expr)
(forward_propagate_comparison)
(tree_ssa_forward_propagate_single_use_vars): Likewise.
* cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
* emit-rtl.c (component_ref_for_mem_expr)
(set_mem_attributes_minus_bitpos): Likewise.
* tree-ssa-phiopt.c (conditional_replacement): Likewise.
* gimplify.c (gimplify_conversion, goa_lhs_expr_p,
gimplify_expr): Likewise.
* c-typeck.c (default_function_array_conversion,
build_indirect_ref)
(build_function_call, pointer_diff, build_compound_expr)
(c_finish_return): Likewise.
* tree-vect-analyze.c (vect_determine_vectorization_factor):
Likewise.
* matrix-reorg.c (get_inner_of_cast_expr,
may_flatten_matrices_1): Likewise.
* tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
* expr.c (is_aligning_offset): Likewise.
* tree-ssa-alias.c (is_escape_site): Likewise.
* tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
(check_all_va_list_escapes): Likewise.
* tree-ssa-loop-ivopts.c (determine_base_object)
(determine_common_wider_type): Likewise.
* dojump.c (do_jump): Likewise.
* tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
* tree-gimple.c (is_gimple_cast): Likewise.
* fold-const.c (decode_field_reference, )
(fold_sign_changed_comparison, fold_unary, fold_comparison)
(fold_binary): Likewise.
* tree-ssa-alias-warnings.c (find_alias_site_helper)
(already_warned_in_frontend_p): Likewise.
* builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
* tree.c (really_constant_p, get_unwidened): Likewise.
* tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
* tree-ssa-loop-im.c (rewrite_bittest): Likewise.
* tree-vrp.c (register_edge_assert_for_2,
register_edge_assert_for_1): Likewise.
* tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
CONVERT_EXPR_P.
(CONVERT_EXPR_P): Define.
(CASE_CONVERT): Define.
From-SVN: r135114
2008-05-09 16:57:39 +02:00
|
|
|
|| CONVERT_EXPR_P (t))
|
2005-10-19 18:27:10 +02:00
|
|
|
t = TREE_OPERAND (t, 0);
|
|
|
|
|
|
|
|
if (TREE_CODE (t) == ARRAY_REF || TREE_CODE (t) == ARRAY_RANGE_REF)
|
|
|
|
{
|
|
|
|
t = get_base_address (t);
|
2009-06-03 16:33:31 +02:00
|
|
|
if (t && DECL_P (t)
|
|
|
|
&& DECL_MODE (t) != BLKmode)
|
2005-10-19 18:27:10 +02:00
|
|
|
TREE_ADDRESSABLE (t) = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
*walk_subtrees = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL_TREE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* RTL expansion is not able to compile array references with variable
|
|
|
|
offsets for arrays stored in single register. Discover such
|
|
|
|
expressions and mark variables as addressable to avoid this
|
|
|
|
scenario. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
discover_nonconstant_array_refs (void)
|
|
|
|
{
|
|
|
|
basic_block bb;
|
2008-07-28 16:33:56 +02:00
|
|
|
gimple_stmt_iterator gsi;
|
2005-10-19 18:27:10 +02:00
|
|
|
|
|
|
|
FOR_EACH_BB (bb)
|
2008-07-28 16:33:56 +02:00
|
|
|
for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
|
|
|
|
{
|
|
|
|
gimple stmt = gsi_stmt (gsi);
|
|
|
|
walk_gimple_op (stmt, discover_nonconstant_array_refs_r, NULL);
|
|
|
|
}
|
2005-10-19 18:27:10 +02:00
|
|
|
}
|
|
|
|
|
[multiple changes]
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* builtins.c (expand_builtin_setjmp_receiver): Replace
virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
(expand_builtin_apply_args_1): Likewise.
(expand_builtin_longjmp): Need DRAP for stack alignment.
(expand_builtin_apply): Likewise.
* caller-save.c (setup_save_areas): Call assign_stack_local_1
instead of assign_stack_local to allow alignment reduction.
* calls.c (emit_call_1): Need DRAP for stack alignment if
return pops.
(expand_call): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
* stmt.c (expand_nl_goto_receiver): Likewise.
* cfgexpand.c (get_decl_align_unit): Estimate stack variable
alignment and store to stack_alignment_estimated and
max_used_stack_slot_alignment.
(expand_one_var): Likewise.
(expand_stack_alignment): New function.
(tree_expand_cfg): Initialize max_used_stack_slot_alignment
and stack_alignment_estimated fields in rtl_data. Call
expand_stack_alignment at end.
* defaults.h (INCOMING_STACK_BOUNDARY): New.
(MAX_STACK_ALIGNMENT): Likewise.
(MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
(SUPPORTS_STACK_ALIGNMENT): Likewise.
* emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
stack alignment when generating virtual registers.
* function.c (assign_stack_local): Renamed to ...
(assign_stack_local_1): This. Add a parameter to indicate
if it is OK to reduce alignment.
(assign_stack_local): Use it.
(instantiate_new_reg): Instantiate virtual incoming args rtx
to vDRAP if stack realignment and DRAP is needed.
(assign_parms): Collect parameter/return type alignment and
contribute to stack_alignment_estimated.
(locate_and_pad_parm): Likewise.
(get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
with crtl->args.internal_arg_pointer.
* function.h (rtl_data): Add new field drap_reg,
max_used_stack_slot_alignment, stack_alignment_estimated,
stack_realign_needed, need_drap, stack_realign_processed and
stack_realign_finalized.
(stack_realign_fp): New macro.
(stack_realign_drap): Likewise.
* global.c (compute_regsets): Frame pointer is needed when
stack is realigned. Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* reload1.c (update_eliminables): Frame pointer is needed
when stack is realigned.
(init_elim_table): Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* rtl.h (assign_stack_local_1): Declare new funtion.
* target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
(TARGET_GET_DRAP_RTX): Likewise.
(TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
TARGET_GET_DRAP_RTX.
* target.h (gcc_target): Add update_stack_boundary and
get_drap_rtx.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
2008-07-30 Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
vdrap_reg, stack_realign and drap_reg_saved.
(add_cfi): Don't allow redefining CFA when DRAP is used.
(reg_save): Handle stack alignment.
(dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
alignment. Don't generate DWARF information for (set fp sp)
when DRAP is used.
(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
to INVALID_REGNUM.
(int_loc_descriptor): Move prototype forward. Also define if
DWARF2_UNWIND_INFO is true.
(output_cfa_loc): Handle DW_CFA_expression.
(build_cfa_aligned_loc): New.
(based_loc_descr): Update assert for stack realign. For local
variables, use sp+offset when stack is aligned without drap and
fp+offset when stack is aligned with drap. For arguments, use
cfa+offset when drap is used to align stack.
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_force_align_arg_pointer_string):
Break long line.
(ix86_gen_andsp): New.
(ix86_user_incoming_stack_boundary): Likewise.
(ix86_default_incoming_stack_boundary): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(ix86_can_eliminate): Likewise.
(find_drap_reg): Likewise.
(ix86_update_stack_boundary): Likewise.
(ix86_get_drap_rtx): Likewise.
(ix86_finalize_stack_realign_flags): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): Likewise.
(TARGET_GET_DRAP_RTX): Likewise.
(override_options): Overide option value for new options.
(ix86_function_ok_for_sibcall): Remove check for
force_align_arg_pointer.
(ix86_handle_cconv_attribute): Likewise.
(ix86_function_regparm): Likewise.
(setup_incoming_varargs_64): Don't set stack_alignment_needed
here.
(ix86_va_start): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
(ix86_select_alt_pic_regnum): Check DRAP register.
(ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
(ix86_compute_frame_layout): Compute frame layout wrt stack
realignment.
(ix86_internal_arg_pointer): Just return
virtual_incoming_args_rtx.
(ix86_expand_prologue): Decide if stack realignment is needed
and generate prologue code accordingly.
(ix86_expand_epilogue): Generate epilogue code wrt stack
realignment is really needed or not.
* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
(ABI_STACK_BOUNDARY): Likewise.
(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
(STACK_REALIGN_DEFAULT): Likewise.
(INCOMING_STACK_BOUNDARY): Likewise.
(MAX_STACK_ALIGNMENT): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
(REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
(CAN_ELIMINATE): Defined with ix86_can_eliminate.
(machine_function): Remove force_align_arg_pointer.
* config/i386/i386.md (BX_REG): New.
(R13_REG): Likewise.
* config/i386/i386.opt (mforce_drap): New.
(mincoming-stack-boundary): Likewise.
(mstackrealign): Add Init(-1).
* config/i386/i386-protos.h (ix86_can_eliminate): New
2008-07-30 H.J. Lu <hongjiu.lu@intel.com>
* doc/extend.texi: Update force_align_arg_pointer.
* doc/invoke.texi: Document -mincoming-stack-boundary. Update
-mstackrealign.
* doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
(INCOMING_STACK_BOUNDARY): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): New target hook.
(TARGET_GET_DRAP_RTX): Likewise.
From-SVN: r138335
2008-07-30 21:20:43 +02:00
|
|
|
/* This function sets crtl->args.internal_arg_pointer to a virtual
|
|
|
|
register if DRAP is needed. Local register allocator will replace
|
|
|
|
virtual_incoming_args_rtx with the virtual register. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
expand_stack_alignment (void)
|
|
|
|
{
|
|
|
|
rtx drap_rtx;
|
2009-01-15 16:44:41 +01:00
|
|
|
unsigned int preferred_stack_boundary;
|
[multiple changes]
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* builtins.c (expand_builtin_setjmp_receiver): Replace
virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
(expand_builtin_apply_args_1): Likewise.
(expand_builtin_longjmp): Need DRAP for stack alignment.
(expand_builtin_apply): Likewise.
* caller-save.c (setup_save_areas): Call assign_stack_local_1
instead of assign_stack_local to allow alignment reduction.
* calls.c (emit_call_1): Need DRAP for stack alignment if
return pops.
(expand_call): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
* stmt.c (expand_nl_goto_receiver): Likewise.
* cfgexpand.c (get_decl_align_unit): Estimate stack variable
alignment and store to stack_alignment_estimated and
max_used_stack_slot_alignment.
(expand_one_var): Likewise.
(expand_stack_alignment): New function.
(tree_expand_cfg): Initialize max_used_stack_slot_alignment
and stack_alignment_estimated fields in rtl_data. Call
expand_stack_alignment at end.
* defaults.h (INCOMING_STACK_BOUNDARY): New.
(MAX_STACK_ALIGNMENT): Likewise.
(MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
(SUPPORTS_STACK_ALIGNMENT): Likewise.
* emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
stack alignment when generating virtual registers.
* function.c (assign_stack_local): Renamed to ...
(assign_stack_local_1): This. Add a parameter to indicate
if it is OK to reduce alignment.
(assign_stack_local): Use it.
(instantiate_new_reg): Instantiate virtual incoming args rtx
to vDRAP if stack realignment and DRAP is needed.
(assign_parms): Collect parameter/return type alignment and
contribute to stack_alignment_estimated.
(locate_and_pad_parm): Likewise.
(get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
with crtl->args.internal_arg_pointer.
* function.h (rtl_data): Add new field drap_reg,
max_used_stack_slot_alignment, stack_alignment_estimated,
stack_realign_needed, need_drap, stack_realign_processed and
stack_realign_finalized.
(stack_realign_fp): New macro.
(stack_realign_drap): Likewise.
* global.c (compute_regsets): Frame pointer is needed when
stack is realigned. Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* reload1.c (update_eliminables): Frame pointer is needed
when stack is realigned.
(init_elim_table): Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* rtl.h (assign_stack_local_1): Declare new funtion.
* target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
(TARGET_GET_DRAP_RTX): Likewise.
(TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
TARGET_GET_DRAP_RTX.
* target.h (gcc_target): Add update_stack_boundary and
get_drap_rtx.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
2008-07-30 Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
vdrap_reg, stack_realign and drap_reg_saved.
(add_cfi): Don't allow redefining CFA when DRAP is used.
(reg_save): Handle stack alignment.
(dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
alignment. Don't generate DWARF information for (set fp sp)
when DRAP is used.
(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
to INVALID_REGNUM.
(int_loc_descriptor): Move prototype forward. Also define if
DWARF2_UNWIND_INFO is true.
(output_cfa_loc): Handle DW_CFA_expression.
(build_cfa_aligned_loc): New.
(based_loc_descr): Update assert for stack realign. For local
variables, use sp+offset when stack is aligned without drap and
fp+offset when stack is aligned with drap. For arguments, use
cfa+offset when drap is used to align stack.
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_force_align_arg_pointer_string):
Break long line.
(ix86_gen_andsp): New.
(ix86_user_incoming_stack_boundary): Likewise.
(ix86_default_incoming_stack_boundary): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(ix86_can_eliminate): Likewise.
(find_drap_reg): Likewise.
(ix86_update_stack_boundary): Likewise.
(ix86_get_drap_rtx): Likewise.
(ix86_finalize_stack_realign_flags): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): Likewise.
(TARGET_GET_DRAP_RTX): Likewise.
(override_options): Overide option value for new options.
(ix86_function_ok_for_sibcall): Remove check for
force_align_arg_pointer.
(ix86_handle_cconv_attribute): Likewise.
(ix86_function_regparm): Likewise.
(setup_incoming_varargs_64): Don't set stack_alignment_needed
here.
(ix86_va_start): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
(ix86_select_alt_pic_regnum): Check DRAP register.
(ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
(ix86_compute_frame_layout): Compute frame layout wrt stack
realignment.
(ix86_internal_arg_pointer): Just return
virtual_incoming_args_rtx.
(ix86_expand_prologue): Decide if stack realignment is needed
and generate prologue code accordingly.
(ix86_expand_epilogue): Generate epilogue code wrt stack
realignment is really needed or not.
* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
(ABI_STACK_BOUNDARY): Likewise.
(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
(STACK_REALIGN_DEFAULT): Likewise.
(INCOMING_STACK_BOUNDARY): Likewise.
(MAX_STACK_ALIGNMENT): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
(REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
(CAN_ELIMINATE): Defined with ix86_can_eliminate.
(machine_function): Remove force_align_arg_pointer.
* config/i386/i386.md (BX_REG): New.
(R13_REG): Likewise.
* config/i386/i386.opt (mforce_drap): New.
(mincoming-stack-boundary): Likewise.
(mstackrealign): Add Init(-1).
* config/i386/i386-protos.h (ix86_can_eliminate): New
2008-07-30 H.J. Lu <hongjiu.lu@intel.com>
* doc/extend.texi: Update force_align_arg_pointer.
* doc/invoke.texi: Document -mincoming-stack-boundary. Update
-mstackrealign.
* doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
(INCOMING_STACK_BOUNDARY): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): New target hook.
(TARGET_GET_DRAP_RTX): Likewise.
From-SVN: r138335
2008-07-30 21:20:43 +02:00
|
|
|
|
|
|
|
if (! SUPPORTS_STACK_ALIGNMENT)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (cfun->calls_alloca
|
|
|
|
|| cfun->has_nonlocal_label
|
|
|
|
|| crtl->has_nonlocal_goto)
|
|
|
|
crtl->need_drap = true;
|
|
|
|
|
|
|
|
gcc_assert (crtl->stack_alignment_needed
|
|
|
|
<= crtl->stack_alignment_estimated);
|
|
|
|
|
|
|
|
/* Update crtl->stack_alignment_estimated and use it later to align
|
|
|
|
stack. We check PREFERRED_STACK_BOUNDARY if there may be non-call
|
|
|
|
exceptions since callgraph doesn't collect incoming stack alignment
|
|
|
|
in this case. */
|
|
|
|
if (flag_non_call_exceptions
|
|
|
|
&& PREFERRED_STACK_BOUNDARY > crtl->preferred_stack_boundary)
|
|
|
|
preferred_stack_boundary = PREFERRED_STACK_BOUNDARY;
|
|
|
|
else
|
|
|
|
preferred_stack_boundary = crtl->preferred_stack_boundary;
|
|
|
|
if (preferred_stack_boundary > crtl->stack_alignment_estimated)
|
|
|
|
crtl->stack_alignment_estimated = preferred_stack_boundary;
|
|
|
|
if (preferred_stack_boundary > crtl->stack_alignment_needed)
|
|
|
|
crtl->stack_alignment_needed = preferred_stack_boundary;
|
|
|
|
|
|
|
|
crtl->stack_realign_needed
|
2009-01-15 16:44:41 +01:00
|
|
|
= INCOMING_STACK_BOUNDARY < crtl->stack_alignment_estimated;
|
2008-07-31 23:28:54 +02:00
|
|
|
crtl->stack_realign_tried = crtl->stack_realign_needed;
|
[multiple changes]
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* builtins.c (expand_builtin_setjmp_receiver): Replace
virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
(expand_builtin_apply_args_1): Likewise.
(expand_builtin_longjmp): Need DRAP for stack alignment.
(expand_builtin_apply): Likewise.
* caller-save.c (setup_save_areas): Call assign_stack_local_1
instead of assign_stack_local to allow alignment reduction.
* calls.c (emit_call_1): Need DRAP for stack alignment if
return pops.
(expand_call): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
* stmt.c (expand_nl_goto_receiver): Likewise.
* cfgexpand.c (get_decl_align_unit): Estimate stack variable
alignment and store to stack_alignment_estimated and
max_used_stack_slot_alignment.
(expand_one_var): Likewise.
(expand_stack_alignment): New function.
(tree_expand_cfg): Initialize max_used_stack_slot_alignment
and stack_alignment_estimated fields in rtl_data. Call
expand_stack_alignment at end.
* defaults.h (INCOMING_STACK_BOUNDARY): New.
(MAX_STACK_ALIGNMENT): Likewise.
(MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
(SUPPORTS_STACK_ALIGNMENT): Likewise.
* emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
stack alignment when generating virtual registers.
* function.c (assign_stack_local): Renamed to ...
(assign_stack_local_1): This. Add a parameter to indicate
if it is OK to reduce alignment.
(assign_stack_local): Use it.
(instantiate_new_reg): Instantiate virtual incoming args rtx
to vDRAP if stack realignment and DRAP is needed.
(assign_parms): Collect parameter/return type alignment and
contribute to stack_alignment_estimated.
(locate_and_pad_parm): Likewise.
(get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
with crtl->args.internal_arg_pointer.
* function.h (rtl_data): Add new field drap_reg,
max_used_stack_slot_alignment, stack_alignment_estimated,
stack_realign_needed, need_drap, stack_realign_processed and
stack_realign_finalized.
(stack_realign_fp): New macro.
(stack_realign_drap): Likewise.
* global.c (compute_regsets): Frame pointer is needed when
stack is realigned. Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* reload1.c (update_eliminables): Frame pointer is needed
when stack is realigned.
(init_elim_table): Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* rtl.h (assign_stack_local_1): Declare new funtion.
* target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
(TARGET_GET_DRAP_RTX): Likewise.
(TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
TARGET_GET_DRAP_RTX.
* target.h (gcc_target): Add update_stack_boundary and
get_drap_rtx.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
2008-07-30 Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
vdrap_reg, stack_realign and drap_reg_saved.
(add_cfi): Don't allow redefining CFA when DRAP is used.
(reg_save): Handle stack alignment.
(dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
alignment. Don't generate DWARF information for (set fp sp)
when DRAP is used.
(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
to INVALID_REGNUM.
(int_loc_descriptor): Move prototype forward. Also define if
DWARF2_UNWIND_INFO is true.
(output_cfa_loc): Handle DW_CFA_expression.
(build_cfa_aligned_loc): New.
(based_loc_descr): Update assert for stack realign. For local
variables, use sp+offset when stack is aligned without drap and
fp+offset when stack is aligned with drap. For arguments, use
cfa+offset when drap is used to align stack.
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_force_align_arg_pointer_string):
Break long line.
(ix86_gen_andsp): New.
(ix86_user_incoming_stack_boundary): Likewise.
(ix86_default_incoming_stack_boundary): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(ix86_can_eliminate): Likewise.
(find_drap_reg): Likewise.
(ix86_update_stack_boundary): Likewise.
(ix86_get_drap_rtx): Likewise.
(ix86_finalize_stack_realign_flags): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): Likewise.
(TARGET_GET_DRAP_RTX): Likewise.
(override_options): Overide option value for new options.
(ix86_function_ok_for_sibcall): Remove check for
force_align_arg_pointer.
(ix86_handle_cconv_attribute): Likewise.
(ix86_function_regparm): Likewise.
(setup_incoming_varargs_64): Don't set stack_alignment_needed
here.
(ix86_va_start): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
(ix86_select_alt_pic_regnum): Check DRAP register.
(ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
(ix86_compute_frame_layout): Compute frame layout wrt stack
realignment.
(ix86_internal_arg_pointer): Just return
virtual_incoming_args_rtx.
(ix86_expand_prologue): Decide if stack realignment is needed
and generate prologue code accordingly.
(ix86_expand_epilogue): Generate epilogue code wrt stack
realignment is really needed or not.
* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
(ABI_STACK_BOUNDARY): Likewise.
(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
(STACK_REALIGN_DEFAULT): Likewise.
(INCOMING_STACK_BOUNDARY): Likewise.
(MAX_STACK_ALIGNMENT): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
(REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
(CAN_ELIMINATE): Defined with ix86_can_eliminate.
(machine_function): Remove force_align_arg_pointer.
* config/i386/i386.md (BX_REG): New.
(R13_REG): Likewise.
* config/i386/i386.opt (mforce_drap): New.
(mincoming-stack-boundary): Likewise.
(mstackrealign): Add Init(-1).
* config/i386/i386-protos.h (ix86_can_eliminate): New
2008-07-30 H.J. Lu <hongjiu.lu@intel.com>
* doc/extend.texi: Update force_align_arg_pointer.
* doc/invoke.texi: Document -mincoming-stack-boundary. Update
-mstackrealign.
* doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
(INCOMING_STACK_BOUNDARY): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): New target hook.
(TARGET_GET_DRAP_RTX): Likewise.
From-SVN: r138335
2008-07-30 21:20:43 +02:00
|
|
|
|
|
|
|
crtl->stack_realign_processed = true;
|
|
|
|
|
|
|
|
/* Target has to redefine TARGET_GET_DRAP_RTX to support stack
|
|
|
|
alignment. */
|
|
|
|
gcc_assert (targetm.calls.get_drap_rtx != NULL);
|
|
|
|
drap_rtx = targetm.calls.get_drap_rtx ();
|
|
|
|
|
2008-08-01 18:05:50 +02:00
|
|
|
/* stack_realign_drap and drap_rtx must match. */
|
|
|
|
gcc_assert ((stack_realign_drap != 0) == (drap_rtx != NULL));
|
|
|
|
|
[multiple changes]
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* builtins.c (expand_builtin_setjmp_receiver): Replace
virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
(expand_builtin_apply_args_1): Likewise.
(expand_builtin_longjmp): Need DRAP for stack alignment.
(expand_builtin_apply): Likewise.
* caller-save.c (setup_save_areas): Call assign_stack_local_1
instead of assign_stack_local to allow alignment reduction.
* calls.c (emit_call_1): Need DRAP for stack alignment if
return pops.
(expand_call): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
* stmt.c (expand_nl_goto_receiver): Likewise.
* cfgexpand.c (get_decl_align_unit): Estimate stack variable
alignment and store to stack_alignment_estimated and
max_used_stack_slot_alignment.
(expand_one_var): Likewise.
(expand_stack_alignment): New function.
(tree_expand_cfg): Initialize max_used_stack_slot_alignment
and stack_alignment_estimated fields in rtl_data. Call
expand_stack_alignment at end.
* defaults.h (INCOMING_STACK_BOUNDARY): New.
(MAX_STACK_ALIGNMENT): Likewise.
(MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
(SUPPORTS_STACK_ALIGNMENT): Likewise.
* emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
stack alignment when generating virtual registers.
* function.c (assign_stack_local): Renamed to ...
(assign_stack_local_1): This. Add a parameter to indicate
if it is OK to reduce alignment.
(assign_stack_local): Use it.
(instantiate_new_reg): Instantiate virtual incoming args rtx
to vDRAP if stack realignment and DRAP is needed.
(assign_parms): Collect parameter/return type alignment and
contribute to stack_alignment_estimated.
(locate_and_pad_parm): Likewise.
(get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
with crtl->args.internal_arg_pointer.
* function.h (rtl_data): Add new field drap_reg,
max_used_stack_slot_alignment, stack_alignment_estimated,
stack_realign_needed, need_drap, stack_realign_processed and
stack_realign_finalized.
(stack_realign_fp): New macro.
(stack_realign_drap): Likewise.
* global.c (compute_regsets): Frame pointer is needed when
stack is realigned. Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* reload1.c (update_eliminables): Frame pointer is needed
when stack is realigned.
(init_elim_table): Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* rtl.h (assign_stack_local_1): Declare new funtion.
* target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
(TARGET_GET_DRAP_RTX): Likewise.
(TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
TARGET_GET_DRAP_RTX.
* target.h (gcc_target): Add update_stack_boundary and
get_drap_rtx.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
2008-07-30 Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
vdrap_reg, stack_realign and drap_reg_saved.
(add_cfi): Don't allow redefining CFA when DRAP is used.
(reg_save): Handle stack alignment.
(dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
alignment. Don't generate DWARF information for (set fp sp)
when DRAP is used.
(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
to INVALID_REGNUM.
(int_loc_descriptor): Move prototype forward. Also define if
DWARF2_UNWIND_INFO is true.
(output_cfa_loc): Handle DW_CFA_expression.
(build_cfa_aligned_loc): New.
(based_loc_descr): Update assert for stack realign. For local
variables, use sp+offset when stack is aligned without drap and
fp+offset when stack is aligned with drap. For arguments, use
cfa+offset when drap is used to align stack.
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_force_align_arg_pointer_string):
Break long line.
(ix86_gen_andsp): New.
(ix86_user_incoming_stack_boundary): Likewise.
(ix86_default_incoming_stack_boundary): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(ix86_can_eliminate): Likewise.
(find_drap_reg): Likewise.
(ix86_update_stack_boundary): Likewise.
(ix86_get_drap_rtx): Likewise.
(ix86_finalize_stack_realign_flags): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): Likewise.
(TARGET_GET_DRAP_RTX): Likewise.
(override_options): Overide option value for new options.
(ix86_function_ok_for_sibcall): Remove check for
force_align_arg_pointer.
(ix86_handle_cconv_attribute): Likewise.
(ix86_function_regparm): Likewise.
(setup_incoming_varargs_64): Don't set stack_alignment_needed
here.
(ix86_va_start): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
(ix86_select_alt_pic_regnum): Check DRAP register.
(ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
(ix86_compute_frame_layout): Compute frame layout wrt stack
realignment.
(ix86_internal_arg_pointer): Just return
virtual_incoming_args_rtx.
(ix86_expand_prologue): Decide if stack realignment is needed
and generate prologue code accordingly.
(ix86_expand_epilogue): Generate epilogue code wrt stack
realignment is really needed or not.
* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
(ABI_STACK_BOUNDARY): Likewise.
(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
(STACK_REALIGN_DEFAULT): Likewise.
(INCOMING_STACK_BOUNDARY): Likewise.
(MAX_STACK_ALIGNMENT): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
(REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
(CAN_ELIMINATE): Defined with ix86_can_eliminate.
(machine_function): Remove force_align_arg_pointer.
* config/i386/i386.md (BX_REG): New.
(R13_REG): Likewise.
* config/i386/i386.opt (mforce_drap): New.
(mincoming-stack-boundary): Likewise.
(mstackrealign): Add Init(-1).
* config/i386/i386-protos.h (ix86_can_eliminate): New
2008-07-30 H.J. Lu <hongjiu.lu@intel.com>
* doc/extend.texi: Update force_align_arg_pointer.
* doc/invoke.texi: Document -mincoming-stack-boundary. Update
-mstackrealign.
* doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
(INCOMING_STACK_BOUNDARY): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): New target hook.
(TARGET_GET_DRAP_RTX): Likewise.
From-SVN: r138335
2008-07-30 21:20:43 +02:00
|
|
|
/* Do nothing if NULL is returned, which means DRAP is not needed. */
|
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|
|
if (NULL != drap_rtx)
|
|
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|
{
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crtl->args.internal_arg_pointer = drap_rtx;
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/* Call fixup_tail_calls to clean up REG_EQUIV note if DRAP is
|
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|
|
needed. */
|
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|
fixup_tail_calls ();
|
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}
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|
}
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|
2004-06-19 17:33:06 +02:00
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/* Translate the intermediate representation contained in the CFG
|
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from GIMPLE trees to RTL.
|
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We do conversion per basic block and preserve/update the tree CFG.
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|
This implies we have to do some magic as the CFG can simultaneously
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consist of basic blocks containing RTL and GIMPLE trees. This can
|
c-typeck.c, [...]: Fix comment typos.
* c-typeck.c, cfgexpand.c, ddg.c, ddg.h, df.c, fold-const.c,
gcov.c, gimplify.c, modulo-sched.c, passes.c, tree-cfg.c,
tree-mudflap.c, tree-nrv.c, tree-outof-ssa.c, tree-ssa-dom.c,
tree-ssa-dse.c, tree-ssa-operands.c, tree-ssa-pre.c,
tree-tailcall.c: Fix comment typos. Follow spelling
conventions.
From-SVN: r83703
2004-06-26 07:03:55 +02:00
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confuse the CFG hooks, so be careful to not manipulate CFG during
|
2004-06-19 17:33:06 +02:00
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the expansion. */
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2006-03-02 20:00:11 +01:00
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static unsigned int
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2008-07-28 16:33:56 +02:00
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gimple_expand_cfg (void)
|
2004-06-19 17:33:06 +02:00
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{
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basic_block bb, init_block;
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sbitmap blocks;
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2006-06-22 19:54:45 +02:00
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edge_iterator ei;
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edge e;
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
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unsigned i;
|
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|
|
|
|
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|
rewrite_out_of_ssa (&SA);
|
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|
|
SA.partition_to_pseudo = (rtx *)xcalloc (SA.map->num_partitions,
|
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|
|
sizeof (rtx));
|
2004-06-19 17:33:06 +02:00
|
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|
2004-07-29 09:37:16 +02:00
|
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|
/* Some backends want to know that we are expanding to RTL. */
|
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|
|
currently_expanding_to_rtl = 1;
|
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|
|
predict.c (always_optimize_for_size_p): New function.
* predict.c (always_optimize_for_size_p): New function.
(optimize_bb_for_size_p, optimize_bb_for_speed_p,
optimize_edge_for_size_p, optimize_edge_for_speed_p,
optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
functions.
(rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
* function.c (prepare_function_start): Set default profile.
* function.h (rtl_data): Add maybe_hot_insn_p.
* cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
(construct_exit_block): Likewise.
(tree_expand_cfg): Likewise.
* basic-block.h
(optimize_bb_for_size_p, optimize_bb_for_speed_p,
optimize_edge_for_size_p, optimize_edge_for_speed_p,
optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
(rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
Declare.
From-SVN: r138237
2008-07-29 12:52:16 +02:00
|
|
|
rtl_profile_for_bb (ENTRY_BLOCK_PTR);
|
|
|
|
|
alpha.c (alpha_output_mi_thunk_osf): Use insn_locators_alloc instead of insn_locators_initialize...
* config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
insn_locators_alloc instead of insn_locators_initialize;
call reset_block_changes.
* config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
* config/sh/sh.c (sparc_output_mi_thunk): Likewise.
* config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
* config/score/score.c (th_output_mi_thunk): Likewise.
* config/mips/mips.c (mips_output_mi_thunk): Likewise.
* cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
tolerate uninitialized locator info.
Re-apply:
* function.c (init_function_start): Don't init line number info.
(expand_function_end): Update.
(reset_block_changes, record_block_change, finalize_block_changes,
check_block_change, free_block_changes): Kill.
* function.h (reset_block_changes, record_block_change,
finalize_block_changes, check_block_change, free_block_changes): Remove
prototypes.
(struct function): Remove ib_boundaries_block.
* emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
Use curr_insn_locator to initialize locator.
(emit_line_note): Remove.
* cfgexpand.c (expand_gimple_cond_expr): Update.
(construct_exit_block): Likewise.
(tree_expand_cfg): Initialize/finalize locators.
* expr.c (expand_expr_real): Update.
* cfglayout.c (line_locators_locs, line_locators_lines,
file_locators_locs, file_locators_files): Remove.
(set_block_levels): Move to cfgexpand.c.
(insn_locators_initialize): Remove.
(pass_insn_locators_initialize): Remove.
(locations_locators_locs, locations_locators_vals): New static vars.
(curr_location, last_location, curr_block, last_block, curr_rtl_loc):
Likewise.
(insn_locators_alloc, insn_locators_finalize,
set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
New functions.
(locator_location): New.
(locator_line, locator_file): Rewrite.
* rtl.h (emit_line_note): Kill.
(insn_locators_alloc, insn_locators_finalize,
set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
Declare.
* tree-inline.c (initialize_cfun): Do not initialize
ib_boundaries_block.
* passes.c (pass_insn_locators_initialize): Remove.
From-SVN: r124258
2007-04-28 10:20:08 +02:00
|
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|
insn_locators_alloc ();
|
2009-06-02 10:10:53 +02:00
|
|
|
if (!DECL_IS_BUILTIN (current_function_decl))
|
2008-09-09 12:56:23 +02:00
|
|
|
{
|
|
|
|
/* Eventually, all FEs should explicitly set function_start_locus. */
|
|
|
|
if (cfun->function_start_locus == UNKNOWN_LOCATION)
|
|
|
|
set_curr_insn_source_location
|
|
|
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(DECL_SOURCE_LOCATION (current_function_decl));
|
|
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|
else
|
|
|
|
set_curr_insn_source_location (cfun->function_start_locus);
|
|
|
|
}
|
alpha.c (alpha_output_mi_thunk_osf): Use insn_locators_alloc instead of insn_locators_initialize...
* config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
insn_locators_alloc instead of insn_locators_initialize;
call reset_block_changes.
* config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
* config/sh/sh.c (sparc_output_mi_thunk): Likewise.
* config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
* config/score/score.c (th_output_mi_thunk): Likewise.
* config/mips/mips.c (mips_output_mi_thunk): Likewise.
* cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
tolerate uninitialized locator info.
Re-apply:
* function.c (init_function_start): Don't init line number info.
(expand_function_end): Update.
(reset_block_changes, record_block_change, finalize_block_changes,
check_block_change, free_block_changes): Kill.
* function.h (reset_block_changes, record_block_change,
finalize_block_changes, check_block_change, free_block_changes): Remove
prototypes.
(struct function): Remove ib_boundaries_block.
* emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
Use curr_insn_locator to initialize locator.
(emit_line_note): Remove.
* cfgexpand.c (expand_gimple_cond_expr): Update.
(construct_exit_block): Likewise.
(tree_expand_cfg): Initialize/finalize locators.
* expr.c (expand_expr_real): Update.
* cfglayout.c (line_locators_locs, line_locators_lines,
file_locators_locs, file_locators_files): Remove.
(set_block_levels): Move to cfgexpand.c.
(insn_locators_initialize): Remove.
(pass_insn_locators_initialize): Remove.
(locations_locators_locs, locations_locators_vals): New static vars.
(curr_location, last_location, curr_block, last_block, curr_rtl_loc):
Likewise.
(insn_locators_alloc, insn_locators_finalize,
set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
New functions.
(locator_location): New.
(locator_line, locator_file): Rewrite.
* rtl.h (emit_line_note): Kill.
(insn_locators_alloc, insn_locators_finalize,
set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
Declare.
* tree-inline.c (initialize_cfun): Do not initialize
ib_boundaries_block.
* passes.c (pass_insn_locators_initialize): Remove.
From-SVN: r124258
2007-04-28 10:20:08 +02:00
|
|
|
set_curr_insn_block (DECL_INITIAL (current_function_decl));
|
|
|
|
prologue_locator = curr_insn_locator ();
|
|
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|
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|
|
/* Make sure first insn is a note even if we don't want linenums.
|
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|
This makes sure the first insn will never be deleted.
|
|
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Also, final expects a note to appear there. */
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emit_note (NOTE_INSN_DELETED);
|
2004-07-02 06:53:37 +02:00
|
|
|
|
2005-10-19 18:27:10 +02:00
|
|
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/* Mark arrays indexed with non-constant indices with TREE_ADDRESSABLE. */
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|
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discover_nonconstant_array_refs ();
|
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|
2008-01-26 18:18:35 +01:00
|
|
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targetm.expand_to_rtl_hook ();
|
except.c (dw2_size_of_call_site_table, [...]): Use vector API for call_site_record.
* except.c (dw2_size_of_call_site_table,
sjlj_size_of_call_site_table): Use vector API for call_site_record.
* cgraphbuild.c (build_cgraph_edges): Update.
* tree-pass.h: Update comment.
* final.c (leaf_function_p): Update.
(leaf_renumber_regs): Update.
(rest_of_clean_state): Update.
* omp-low.c (expand_omp_parallel): Update.
* ipa-reference.c (analyze_function): Update.
* reorg.c (find_end_label): Update.
(optimize_skip): Update.
(fill_simple_delay_slots): Update.
(fill_simple_delay_slots): Update.
(make_return_insns): Update.
(dbr_schedule): Update.
* gimple-low.c (record_vars_into): Update.
* cfgbuild.c (make_edges): Update.
* function.c (assign_stack_local): Update.
(assign_parm_adjust_stack_rtl): Update.
(locate_and_pad_parm): Update.
(allocate_struct_function): Do not initialize stack_alignment_needed
and preferred_stack_boundary here.
(stack_protect_prologue): Update.
(stack_protect_epilogue): Update.
(expand_function_start): Initialize stack_alignment_needed,
preferred_stack_boundary and max_jumptable_ents.
(expand_function_end): Update.
(free_after_compilation): Do not NULLify epilogue_delay_list.
* function.h (struct rtl_data): Add stack_protect_guard,
stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list.
(struct function): Remove value_histograms, stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
last_label_uid,
unexpanded_var_list, stack_protect_guard.
(current_function_epilogue_delay_list): Remove.
* ipa-type-escape.c (analyze_function): Update.
* gimplify.c (pop_gimplify_context): Update comment.
* calls.c (expand_call): Update.
(emit_library_call_value_1): Update.
* except.c (set_nothrow_function_flags): Update.
* cfgexpand.c (get_decl_align_unit): Update.
(create_stack_guard): Update.
(estimated_stack_frame_size): Update.
(expand_used_vars): Update.
(tree_expand_cfg): Free histogram earliers, init expansion variables.
* explow.c (allocate_dynamic_stack_space): Update.
* tree-ssa-live.c (remove_unused_locals): Update.
* varasm.c (mark_constant_pool): Update.
* tree-inline.c (remap_decls): Update.
(initialize_cfun): Update.
(declare_return_variable): Update.
(inline_forbidden_p): Update.
(expand_call_inline): Update.
(declare_inline_vars): Update.
(tree_function_versioning): Update.
* tree-flow.h (value_histograms): New.
(VALUE_HISTOGRAMS): New macro.
* basic-block.h (control_flow_graph): Add max_jumptable_ents,
last_label_uid.
* tree-cfg.c (set_bb_for_stmt): Update.
(replace_by_duplicate_decl): Update.
(move_block_to_fn): Update.
(new_label_mapper): Update.
(dump_function_to_file): Update.
* ipa-struct-reorg.c (build_data_structure): Update.
* cfgrtl.c (print_rtl_with_bb): Update.
* reload1.c (reload): Update.
(reload): Update.
* config/i386/i386.c (setup_incoming_varargs_64,
ix86_compute_frame_layout): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
From-SVN: r134425
2008-04-18 07:26:12 +02:00
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crtl->stack_alignment_needed = STACK_BOUNDARY;
|
[multiple changes]
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* builtins.c (expand_builtin_setjmp_receiver): Replace
virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
(expand_builtin_apply_args_1): Likewise.
(expand_builtin_longjmp): Need DRAP for stack alignment.
(expand_builtin_apply): Likewise.
* caller-save.c (setup_save_areas): Call assign_stack_local_1
instead of assign_stack_local to allow alignment reduction.
* calls.c (emit_call_1): Need DRAP for stack alignment if
return pops.
(expand_call): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
* stmt.c (expand_nl_goto_receiver): Likewise.
* cfgexpand.c (get_decl_align_unit): Estimate stack variable
alignment and store to stack_alignment_estimated and
max_used_stack_slot_alignment.
(expand_one_var): Likewise.
(expand_stack_alignment): New function.
(tree_expand_cfg): Initialize max_used_stack_slot_alignment
and stack_alignment_estimated fields in rtl_data. Call
expand_stack_alignment at end.
* defaults.h (INCOMING_STACK_BOUNDARY): New.
(MAX_STACK_ALIGNMENT): Likewise.
(MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
(SUPPORTS_STACK_ALIGNMENT): Likewise.
* emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
stack alignment when generating virtual registers.
* function.c (assign_stack_local): Renamed to ...
(assign_stack_local_1): This. Add a parameter to indicate
if it is OK to reduce alignment.
(assign_stack_local): Use it.
(instantiate_new_reg): Instantiate virtual incoming args rtx
to vDRAP if stack realignment and DRAP is needed.
(assign_parms): Collect parameter/return type alignment and
contribute to stack_alignment_estimated.
(locate_and_pad_parm): Likewise.
(get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
with crtl->args.internal_arg_pointer.
* function.h (rtl_data): Add new field drap_reg,
max_used_stack_slot_alignment, stack_alignment_estimated,
stack_realign_needed, need_drap, stack_realign_processed and
stack_realign_finalized.
(stack_realign_fp): New macro.
(stack_realign_drap): Likewise.
* global.c (compute_regsets): Frame pointer is needed when
stack is realigned. Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* reload1.c (update_eliminables): Frame pointer is needed
when stack is realigned.
(init_elim_table): Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* rtl.h (assign_stack_local_1): Declare new funtion.
* target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
(TARGET_GET_DRAP_RTX): Likewise.
(TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
TARGET_GET_DRAP_RTX.
* target.h (gcc_target): Add update_stack_boundary and
get_drap_rtx.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
2008-07-30 Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
vdrap_reg, stack_realign and drap_reg_saved.
(add_cfi): Don't allow redefining CFA when DRAP is used.
(reg_save): Handle stack alignment.
(dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
alignment. Don't generate DWARF information for (set fp sp)
when DRAP is used.
(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
to INVALID_REGNUM.
(int_loc_descriptor): Move prototype forward. Also define if
DWARF2_UNWIND_INFO is true.
(output_cfa_loc): Handle DW_CFA_expression.
(build_cfa_aligned_loc): New.
(based_loc_descr): Update assert for stack realign. For local
variables, use sp+offset when stack is aligned without drap and
fp+offset when stack is aligned with drap. For arguments, use
cfa+offset when drap is used to align stack.
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_force_align_arg_pointer_string):
Break long line.
(ix86_gen_andsp): New.
(ix86_user_incoming_stack_boundary): Likewise.
(ix86_default_incoming_stack_boundary): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(ix86_can_eliminate): Likewise.
(find_drap_reg): Likewise.
(ix86_update_stack_boundary): Likewise.
(ix86_get_drap_rtx): Likewise.
(ix86_finalize_stack_realign_flags): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): Likewise.
(TARGET_GET_DRAP_RTX): Likewise.
(override_options): Overide option value for new options.
(ix86_function_ok_for_sibcall): Remove check for
force_align_arg_pointer.
(ix86_handle_cconv_attribute): Likewise.
(ix86_function_regparm): Likewise.
(setup_incoming_varargs_64): Don't set stack_alignment_needed
here.
(ix86_va_start): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
(ix86_select_alt_pic_regnum): Check DRAP register.
(ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
(ix86_compute_frame_layout): Compute frame layout wrt stack
realignment.
(ix86_internal_arg_pointer): Just return
virtual_incoming_args_rtx.
(ix86_expand_prologue): Decide if stack realignment is needed
and generate prologue code accordingly.
(ix86_expand_epilogue): Generate epilogue code wrt stack
realignment is really needed or not.
* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
(ABI_STACK_BOUNDARY): Likewise.
(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
(STACK_REALIGN_DEFAULT): Likewise.
(INCOMING_STACK_BOUNDARY): Likewise.
(MAX_STACK_ALIGNMENT): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
(REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
(CAN_ELIMINATE): Defined with ix86_can_eliminate.
(machine_function): Remove force_align_arg_pointer.
* config/i386/i386.md (BX_REG): New.
(R13_REG): Likewise.
* config/i386/i386.opt (mforce_drap): New.
(mincoming-stack-boundary): Likewise.
(mstackrealign): Add Init(-1).
* config/i386/i386-protos.h (ix86_can_eliminate): New
2008-07-30 H.J. Lu <hongjiu.lu@intel.com>
* doc/extend.texi: Update force_align_arg_pointer.
* doc/invoke.texi: Document -mincoming-stack-boundary. Update
-mstackrealign.
* doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
(INCOMING_STACK_BOUNDARY): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): New target hook.
(TARGET_GET_DRAP_RTX): Likewise.
From-SVN: r138335
2008-07-30 21:20:43 +02:00
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crtl->max_used_stack_slot_alignment = STACK_BOUNDARY;
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crtl->stack_alignment_estimated = STACK_BOUNDARY;
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except.c (dw2_size_of_call_site_table, [...]): Use vector API for call_site_record.
* except.c (dw2_size_of_call_site_table,
sjlj_size_of_call_site_table): Use vector API for call_site_record.
* cgraphbuild.c (build_cgraph_edges): Update.
* tree-pass.h: Update comment.
* final.c (leaf_function_p): Update.
(leaf_renumber_regs): Update.
(rest_of_clean_state): Update.
* omp-low.c (expand_omp_parallel): Update.
* ipa-reference.c (analyze_function): Update.
* reorg.c (find_end_label): Update.
(optimize_skip): Update.
(fill_simple_delay_slots): Update.
(fill_simple_delay_slots): Update.
(make_return_insns): Update.
(dbr_schedule): Update.
* gimple-low.c (record_vars_into): Update.
* cfgbuild.c (make_edges): Update.
* function.c (assign_stack_local): Update.
(assign_parm_adjust_stack_rtl): Update.
(locate_and_pad_parm): Update.
(allocate_struct_function): Do not initialize stack_alignment_needed
and preferred_stack_boundary here.
(stack_protect_prologue): Update.
(stack_protect_epilogue): Update.
(expand_function_start): Initialize stack_alignment_needed,
preferred_stack_boundary and max_jumptable_ents.
(expand_function_end): Update.
(free_after_compilation): Do not NULLify epilogue_delay_list.
* function.h (struct rtl_data): Add stack_protect_guard,
stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list.
(struct function): Remove value_histograms, stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
last_label_uid,
unexpanded_var_list, stack_protect_guard.
(current_function_epilogue_delay_list): Remove.
* ipa-type-escape.c (analyze_function): Update.
* gimplify.c (pop_gimplify_context): Update comment.
* calls.c (expand_call): Update.
(emit_library_call_value_1): Update.
* except.c (set_nothrow_function_flags): Update.
* cfgexpand.c (get_decl_align_unit): Update.
(create_stack_guard): Update.
(estimated_stack_frame_size): Update.
(expand_used_vars): Update.
(tree_expand_cfg): Free histogram earliers, init expansion variables.
* explow.c (allocate_dynamic_stack_space): Update.
* tree-ssa-live.c (remove_unused_locals): Update.
* varasm.c (mark_constant_pool): Update.
* tree-inline.c (remap_decls): Update.
(initialize_cfun): Update.
(declare_return_variable): Update.
(inline_forbidden_p): Update.
(expand_call_inline): Update.
(declare_inline_vars): Update.
(tree_function_versioning): Update.
* tree-flow.h (value_histograms): New.
(VALUE_HISTOGRAMS): New macro.
* basic-block.h (control_flow_graph): Add max_jumptable_ents,
last_label_uid.
* tree-cfg.c (set_bb_for_stmt): Update.
(replace_by_duplicate_decl): Update.
(move_block_to_fn): Update.
(new_label_mapper): Update.
(dump_function_to_file): Update.
* ipa-struct-reorg.c (build_data_structure): Update.
* cfgrtl.c (print_rtl_with_bb): Update.
* reload1.c (reload): Update.
(reload): Update.
* config/i386/i386.c (setup_incoming_varargs_64,
ix86_compute_frame_layout): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
From-SVN: r134425
2008-04-18 07:26:12 +02:00
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|
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crtl->preferred_stack_boundary = STACK_BOUNDARY;
|
|
|
|
cfun->cfg->max_jumptable_ents = 0;
|
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|
2008-01-26 18:18:35 +01:00
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2004-07-22 04:48:27 +02:00
|
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/* Expand the variables recorded during gimple lowering. */
|
2004-06-19 17:33:06 +02:00
|
|
|
expand_used_vars ();
|
|
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|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
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/* Honor stack protection warnings. */
|
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if (warn_stack_protect)
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{
|
re PR testsuite/35843 (-fdump-rtl-expand does not exist anymore)
PR testsuite/35843
* cfgexpand.c (pass_expand): Turn into RTL pass.
* passes.c (execute_one_pass): Do pass typechecking after execution.
* tree-pass.h (pass_expand): Turn into RTL pass.
* function.h (struct rtl_data): Move here fields
accesses_prior_frames, calls_eh_return, saves_all_registers,
has_nonlocal_goto, has_asm_statement, is_thunk,
all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
arg_pointer_save_area_init from struct function; turn into bool.
(struct function): Move
calls_eh_return, saves_all_registers, has_nonlocal_goto,
has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
tail_call_emit, arg_pointer_save_area_init
into struct rtl_data. Remove recursive_call_emit and gimplified flags.
(current_function_returns_struct, current_function_returns_pcc_struct,
current_function_calls_setjmp, current_function_calls_alloca,
current_function_accesses_prior_frames,
current_function_calls_eh_return, current_function_is_thunk,
current_function_stdarg, current_function_profile,
current_function_limit_stack, current_function_uses_pic_offset_table,
current_function_uses_const_pool, current_function_has_nonlocal_label,
current_function_saves_all_registers,
current_function_has_nonlocal_goto,
current_function_has_asm_statement): Remove accesor macros.
* ra-conflict.c (global_conflicts): Update.
* tree-tailcall.c (suitable_for_tail_opt_p): Update.
(suitable_for_tail_call_opt_p): Update.
* builtins.c (expand_builtin_return_addr): Update.
(expand_builtin_setjmp_setup): Update.
(expand_builtin_nonlocal_goto): Update.
* final.c (final_start_function): Update.
(profile_function): Update.
(leaf_function_p): Update.
(only_leaf_regs_used): Update.
* df-scan.c (df_get_exit_block_use_set): Update.
* dojump.c (clear_pending_stack_adjust): Update.
* tree-stdarg.c (gate_optimize_stdarg): Update.
* gimple-low.c (lower_function_body): Update.
* global.c (compute_regsets): Update.
(global_alloc): Update.
* dwarf2out.c (dwarf2out_begin_prologue): Update.
* expr.c (expand_assignment): Update.
* dse.c (dse_step0): Update.
(dse_step1): Update.
* c-decl.c (store_parm_decls): Update.
* local-alloc.c (combine_regs): Update.
(find_free_reg): Update.
* function.c (assign_parms_augmented_arg_list): Update.
(assign_parm_find_data_types): Update.
(assign_parms): Update.
(allocate_struct_function): Update.
(expand_function_start): Update.
(expand_function_end): Update.
(get_arg_pointer_save_area): Update.
(thread_prologue_and_epilogue_insns): Update.
(rest_of_match_asm_constraints): Update.
* stor-layout.c (variable_size): Update.
* gcse.c (gcse_main): Update.
(bypass_jumps): Update.
* gimplify.c (gimplify_function_tree): Update.
* calls.c (emit_call_1): Update.
(expand_call): Update.
* bt-load.c (compute_defs_uses_and_gen): Update.
* except.c (sjlj_assign_call_site_values): Update.
(sjlj_emit_function_enter): Update.
(can_throw_external): Update.
(set_nothrow_function_flags): Update.
(expand_builtin_unwind_init): Update.
(expand_eh_return): Update.
(convert_to_eh_region_ranges): Update.
(output_function_exception_table): Update.
* emit-rtl.c (gen_tmp_stack_mem): Update.
* cfgexpand.c (expand_used_vars): Update.
(tree_expand_cfg): Update.
* cfgcleanup.c (rest_of_handle_jump): Update.
* explow.c (allocate_dynamic_stack_space): Update.
* varasm.c (assemble_start_function): Update.
(force_const_mem): Update.
(mark_constant_pool): Update.
* tree-optimize.c (tree_rest_of_compilation): Update.
* stack-ptr-mod.c (notice_stack_pointer_modification): Update.
* tree-cfg.c (notice_special_calls): Update.
(is_ctrl_altering_stmt): Update.
(tree_can_make_abnormal_goto): Update.
(tree_purge_dead_abnormal_call_edges): Update.
* config/alpha/predicates.md: Update.
* config/alpha/alpha.c (alpha_sa_mask): Update.
(alpha_sa_size): Update.
(alpha_does_function_need_gp): Update.
(alpha_expand_prologue): Update.
(alpha_start_function): Update.
(alpha_output_function_end_prologue): Update.
(alpha_expand_epilogue): Update.
* config/frv/frv.c (frv_stack_info): Update.
(frv_expand_epilogue): Update.
* config/s390/s390.c (s390_regs_ever_clobbered): Update.
(s390_register_info): Update.
(s390_frame_info): Update.
(s390_init_frame_layout): Update.
(s390_can_eliminate): Update.
(save_gprs): Update.
* config/spu/spu.c (spu_split_immediate): Update.
(need_to_save_reg): Update.
(spu_expand_prologue): Update.
(spu_expand_epilogue): Update.
* config/sparc/sparc.md: Update.
* config/sparc/sparc.c (eligible_for_return_delay): Update.
(sparc_tls_got): Update.
(legitimize_pic_address): Update.
(sparc_emit_call_insn): Update.
(sparc_expand_prologue): Update.
(output_return): Update.
(print_operand): Update.
(sparc_function_ok_for_sibcall): Update.
* config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
* config/m32r/m32r.md: Update.
* config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
(m32r_compute_frame_size): Update.
(m32r_expand_prologue): Update.
(m32r_expand_epilogue): Update.
(m32r_legitimize_pic_address): Update.
* config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
* config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
* config/i386/i386.c (ix86_frame_pointer_required): Update.
(gen_push): Update.
(ix86_save_reg): Update.
(ix86_compute_frame_layout): Update.
(ix86_expand_prologue): Update.
(ix86_expand_epilogue): Update.
* config/sh/sh.c (output_stack_adjust): Update.
(calc_live_regs): Update.
(sh5_schedule_saves): Update.
(sh_expand_prologue): Update.
(sh_expand_epilogue): Update.
(sh_setup_incoming_varargs): Update.
(sh_allocate_initial_value): Update.
(sh_get_pr_initial_val): Update.
* config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
* config/sh/sh.md (label:): Update.
* config/avr/avr.c (out_movhi_mr_r): Update.
* config/crx/crx.h (enum): Update.
* config/xtensa/xtensa.h (along): Update.
* config/stormy16/stormy16.c Update.
(xstormy16_compute_stack_layout): Update.
* config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
(fr30_expand_prologue): Update.
* config/cris/cris.c (cris_conditional_register_usage): Update.
(cris_reg_saved_in_regsave_area): Update.
(cris_initial_frame_pointer_offset): Update.
(cris_simple_epilogue): Update.
(cris_expand_prologue): Update.
(cris_expand_epilogue): Update.
(cris_expand_pic_call_address): Update.
(cris_asm_output_symbol_ref): Update.
(cris_asm_output_label_ref): Update.
* config/cris/cris.md Update.
* config/iq2000/iq2000.c (compute_frame_size): Update.
(iq2000_expand_epilogue): Update.
* config/mt/mt.h (save_direction): Update.
* config/mn10300/mn10300.c (mn10300_function_value): Update.
* config/ia64/ia64.c (ia64_compute_frame_size): Update.
(ia64_secondary_reload_class): Update.
* config/m68k/m68k.c (m68k_save_reg): Update.
(m68k_expand_prologue): Update.
(m68k_expand_epilogue): Update.
(legitimize_pic_address): Update.
* config/rs6000/rs6000.c (rs6000_got_register): Update.
(first_reg_to_save): Update.
(first_altivec_reg_to_save): Update.
(compute_vrsave_mask): Update.
(compute_save_world_info): Update.
(rs6000_stack_info): Update.
(spe_func_has_64bit_regs_p): Update.
(rs6000_ra_ever_killed): Update.
(rs6000_emit_eh_reg_restore): Update.
(rs6000_emit_allocate_stack): Update.
(rs6000_emit_prologue): Update.
(rs6000_emit_epilogue): Update.
(rs6000_output_function_epilogue): Update.
(output_profile_hook): Update.
(rs6000_elf_declare_function_name): Update.
* config/rs6000/rs6000.h (rs6000_args): Update.
* config/rs6000/rs6000.md: Update.
* config/mcore/mcore.c (mcore_expand_prolog): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
* config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
* config/darwin.c (machopic_function_base_name): Update.
* config/score/score3.c (score3_compute_frame_size): Update.
(rpush): Update.
(rpop): Update.
(score3_epilogue): Update.
* config/score/score7.c (score7_compute_frame_size): Update.
(score7_prologue): Update.
(score7_epilogue): Update.
* config/score/score.h (FRAME_POINTER_REQUIRED): Update.
* config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
* config/arm/arm.c (use_return_insn): Update.
(require_pic_register): Update.
(arm_load_pic_register): Update.
(arm_compute_save_reg0_reg12_mask): Update.
(arm_compute_save_reg_mask): Update.
(thumb1_compute_save_reg_mask): Update.
(output_return_instruction): Update.
(arm_output_function_prologue): Update.
(arm_output_epilogue): Update.
(arm_get_frame_offsets): Update.
(arm_expand_prologue): Update.
(thumb_pushpop): Update.
(thumb_exit): Update.
(thumb1_expand_prologue): Update.
(thumb1_expand_epilogue): Update.
(arm_unwind_emit): Update.
(arm_output_fn_unwind): Update.
* config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
* config/arm/arm.md: Update.
* config/pa/pa.md: Update.
* config/pa/pa.c (legitimize_pic_address): Update.
(compute_frame_size): Update.
(hppa_expand_prologue): Update.
(hppa_expand_epilogue): Update.
(borx_reg_operand): Update.
* config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
(HARD_REGNO_RENAME_OK): Update.
* config/mips/mips.c (mips_global_pointer): Update.
(mips_save_reg_p): Update.
(mips_compute_frame_info): Update.
(mips_frame_pointer_required): Update.
(mips_expand_prologue): Update.
(mips_expand_epilogue): Update.
(mips_can_use_return_insn): Update.
(mips_reorg_process_insns): Update.
* config/v850/v850.c (compute_register_save_size): Update.
* config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
* config/mmix/mmix.c (along): Update.
(mmix_expand_epilogue): Update.
* config/bfin/bfin.c (legitimize_pic_address): Update.
(must_save_p): Update.
(stack_frame_needed_p): Update.
(add_to_reg): Update.
(bfin_expand_prologue): Update.
* stmt.c (expand_asm_operands): Update.
* reload1.c (reload): Update.
(init_elim_table): Update.
From-SVN: r134682
2008-04-26 01:14:40 +02:00
|
|
|
if (cfun->calls_alloca)
|
2007-10-17 02:11:25 +02:00
|
|
|
warning (OPT_Wstack_protector,
|
|
|
|
"not protecting local variables: variable length buffer");
|
except.c (dw2_size_of_call_site_table, [...]): Use vector API for call_site_record.
* except.c (dw2_size_of_call_site_table,
sjlj_size_of_call_site_table): Use vector API for call_site_record.
* cgraphbuild.c (build_cgraph_edges): Update.
* tree-pass.h: Update comment.
* final.c (leaf_function_p): Update.
(leaf_renumber_regs): Update.
(rest_of_clean_state): Update.
* omp-low.c (expand_omp_parallel): Update.
* ipa-reference.c (analyze_function): Update.
* reorg.c (find_end_label): Update.
(optimize_skip): Update.
(fill_simple_delay_slots): Update.
(fill_simple_delay_slots): Update.
(make_return_insns): Update.
(dbr_schedule): Update.
* gimple-low.c (record_vars_into): Update.
* cfgbuild.c (make_edges): Update.
* function.c (assign_stack_local): Update.
(assign_parm_adjust_stack_rtl): Update.
(locate_and_pad_parm): Update.
(allocate_struct_function): Do not initialize stack_alignment_needed
and preferred_stack_boundary here.
(stack_protect_prologue): Update.
(stack_protect_epilogue): Update.
(expand_function_start): Initialize stack_alignment_needed,
preferred_stack_boundary and max_jumptable_ents.
(expand_function_end): Update.
(free_after_compilation): Do not NULLify epilogue_delay_list.
* function.h (struct rtl_data): Add stack_protect_guard,
stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list.
(struct function): Remove value_histograms, stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
last_label_uid,
unexpanded_var_list, stack_protect_guard.
(current_function_epilogue_delay_list): Remove.
* ipa-type-escape.c (analyze_function): Update.
* gimplify.c (pop_gimplify_context): Update comment.
* calls.c (expand_call): Update.
(emit_library_call_value_1): Update.
* except.c (set_nothrow_function_flags): Update.
* cfgexpand.c (get_decl_align_unit): Update.
(create_stack_guard): Update.
(estimated_stack_frame_size): Update.
(expand_used_vars): Update.
(tree_expand_cfg): Free histogram earliers, init expansion variables.
* explow.c (allocate_dynamic_stack_space): Update.
* tree-ssa-live.c (remove_unused_locals): Update.
* varasm.c (mark_constant_pool): Update.
* tree-inline.c (remap_decls): Update.
(initialize_cfun): Update.
(declare_return_variable): Update.
(inline_forbidden_p): Update.
(expand_call_inline): Update.
(declare_inline_vars): Update.
(tree_function_versioning): Update.
* tree-flow.h (value_histograms): New.
(VALUE_HISTOGRAMS): New macro.
* basic-block.h (control_flow_graph): Add max_jumptable_ents,
last_label_uid.
* tree-cfg.c (set_bb_for_stmt): Update.
(replace_by_duplicate_decl): Update.
(move_block_to_fn): Update.
(new_label_mapper): Update.
(dump_function_to_file): Update.
* ipa-struct-reorg.c (build_data_structure): Update.
* cfgrtl.c (print_rtl_with_bb): Update.
* reload1.c (reload): Update.
(reload): Update.
* config/i386/i386.c (setup_incoming_varargs_64,
ix86_compute_frame_layout): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
From-SVN: r134425
2008-04-18 07:26:12 +02:00
|
|
|
if (has_short_buffer && !crtl->stack_protect_guard)
|
2007-10-17 02:11:25 +02:00
|
|
|
warning (OPT_Wstack_protector,
|
|
|
|
"not protecting function: no buffer at least %d bytes long",
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
(int) PARAM_VALUE (PARAM_SSP_BUFFER_SIZE));
|
|
|
|
}
|
|
|
|
|
2004-06-19 17:33:06 +02:00
|
|
|
/* Set up parameters and prepare for return, for the function. */
|
2004-07-01 11:54:20 +02:00
|
|
|
expand_function_start (current_function_decl);
|
2004-06-19 17:33:06 +02:00
|
|
|
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
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/* Now that we also have the parameter RTXs, copy them over to our
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partitions. */
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for (i = 0; i < SA.map->num_partitions; i++)
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{
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tree var = SSA_NAME_VAR (partition_to_var (SA.map, i));
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if (TREE_CODE (var) != VAR_DECL
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&& !SA.partition_to_pseudo[i])
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SA.partition_to_pseudo[i] = DECL_RTL_IF_SET (var);
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gcc_assert (SA.partition_to_pseudo[i]);
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2009-06-08 13:37:12 +02:00
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/* If this decl was marked as living in multiple places, reset
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this now to NULL. */
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if (DECL_RTL_IF_SET (var) == pc_rtx)
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SET_DECL_RTL (var, NULL);
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Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
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/* Some RTL parts really want to look at DECL_RTL(x) when x
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was a decl marked in REG_ATTR or MEM_ATTR. We could use
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SET_DECL_RTL here making this available, but that would mean
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to select one of the potentially many RTLs for one DECL. Instead
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of doing that we simply reset the MEM_EXPR of the RTL in question,
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then nobody can get at it and hence nobody can call DECL_RTL on it. */
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if (!DECL_RTL_SET_P (var))
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{
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if (MEM_P (SA.partition_to_pseudo[i]))
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set_mem_expr (SA.partition_to_pseudo[i], NULL);
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}
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}
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2004-06-19 17:33:06 +02:00
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/* If this function is `main', emit a call to `__main'
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to run global initializers, etc. */
|
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if (DECL_NAME (current_function_decl)
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&& MAIN_NAME_P (DECL_NAME (current_function_decl))
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&& DECL_FILE_SCOPE_P (current_function_decl))
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expand_main_function ();
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c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
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/* Initialize the stack_protect_guard field. This must happen after the
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call to __main (if any) so that the external decl is initialized. */
|
except.c (dw2_size_of_call_site_table, [...]): Use vector API for call_site_record.
* except.c (dw2_size_of_call_site_table,
sjlj_size_of_call_site_table): Use vector API for call_site_record.
* cgraphbuild.c (build_cgraph_edges): Update.
* tree-pass.h: Update comment.
* final.c (leaf_function_p): Update.
(leaf_renumber_regs): Update.
(rest_of_clean_state): Update.
* omp-low.c (expand_omp_parallel): Update.
* ipa-reference.c (analyze_function): Update.
* reorg.c (find_end_label): Update.
(optimize_skip): Update.
(fill_simple_delay_slots): Update.
(fill_simple_delay_slots): Update.
(make_return_insns): Update.
(dbr_schedule): Update.
* gimple-low.c (record_vars_into): Update.
* cfgbuild.c (make_edges): Update.
* function.c (assign_stack_local): Update.
(assign_parm_adjust_stack_rtl): Update.
(locate_and_pad_parm): Update.
(allocate_struct_function): Do not initialize stack_alignment_needed
and preferred_stack_boundary here.
(stack_protect_prologue): Update.
(stack_protect_epilogue): Update.
(expand_function_start): Initialize stack_alignment_needed,
preferred_stack_boundary and max_jumptable_ents.
(expand_function_end): Update.
(free_after_compilation): Do not NULLify epilogue_delay_list.
* function.h (struct rtl_data): Add stack_protect_guard,
stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list.
(struct function): Remove value_histograms, stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
last_label_uid,
unexpanded_var_list, stack_protect_guard.
(current_function_epilogue_delay_list): Remove.
* ipa-type-escape.c (analyze_function): Update.
* gimplify.c (pop_gimplify_context): Update comment.
* calls.c (expand_call): Update.
(emit_library_call_value_1): Update.
* except.c (set_nothrow_function_flags): Update.
* cfgexpand.c (get_decl_align_unit): Update.
(create_stack_guard): Update.
(estimated_stack_frame_size): Update.
(expand_used_vars): Update.
(tree_expand_cfg): Free histogram earliers, init expansion variables.
* explow.c (allocate_dynamic_stack_space): Update.
* tree-ssa-live.c (remove_unused_locals): Update.
* varasm.c (mark_constant_pool): Update.
* tree-inline.c (remap_decls): Update.
(initialize_cfun): Update.
(declare_return_variable): Update.
(inline_forbidden_p): Update.
(expand_call_inline): Update.
(declare_inline_vars): Update.
(tree_function_versioning): Update.
* tree-flow.h (value_histograms): New.
(VALUE_HISTOGRAMS): New macro.
* basic-block.h (control_flow_graph): Add max_jumptable_ents,
last_label_uid.
* tree-cfg.c (set_bb_for_stmt): Update.
(replace_by_duplicate_decl): Update.
(move_block_to_fn): Update.
(new_label_mapper): Update.
(dump_function_to_file): Update.
* ipa-struct-reorg.c (build_data_structure): Update.
* cfgrtl.c (print_rtl_with_bb): Update.
* reload1.c (reload): Update.
(reload): Update.
* config/i386/i386.c (setup_incoming_varargs_64,
ix86_compute_frame_layout): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
From-SVN: r134425
2008-04-18 07:26:12 +02:00
|
|
|
if (crtl->stack_protect_guard)
|
c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
* cfgexpand.c: Include params.h.
(has_protected_decls, has_short_buffer): New.
(expand_stack_vars): Take a predicate to determine what to expand.
(defer_stack_allocation): True when flag_stack_protect on.
(SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
(SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
(stack_protect_classify_type, stack_protect_decl_phase): New.
(stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
(add_stack_protection_conflicts, create_stack_guard): New.
(expand_used_vars): Add stack protection logic.
(tree_expand_cfg): Likewise.
* common.opt (Wstack-protector): New.
(fstack-protector, fstack-protector-all): New.
* function.c: Include predict.h.
(assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
wants to copy the parameter into the stack frame.
(stack_protect_prologue, stack_protect_epilogue): New.
(expand_function_end): Call stack_protect_epilogue. Do
sjlj_emit_function_exit_after after naked_return_label.
* function.h (struct function): Add stack_protect_guard.
* params.def (PARAM_SSP_BUFFER_SIZE): New.
* toplev.c (process_options): Disable flag_stack_protect and/or
warn_stack_protect based on FRAME_GROWS_DOWNWARD.
* tree.h (stack_protect_prologue): Declare.
* target-def.h (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
(TARGET_INITIALIZER): Add them.
* target.h (struct gcc_target): Add stack_protect_guard and
stack_protect_fail.
* targhooks.c: Include ggc.h, gty header.
(stack_chk_guard_decl, default_stack_protect_guard): New.
(stack_chk_fail_decl, default_external_stack_protect_fail): New.
(default_hidden_stack_protect_fail): New.
* targhooks.h (default_stack_protect_guard): Declare.
(default_external_stack_protect_fail): Declare.
(default_hidden_stack_protect_fail): Declare.
* config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
* config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
(trap): Use ud2.
(conditional_trap, conditional_trap_1): Remove.
(stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
(stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
* doc/md.texi (stack_protect_set, stack_protect_test): New.
* doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
(TARGET_STACK_PROTECT_FAIL): New.
* libgcc-std.ver (GCC_4.1.0): New.
* libgcc.h (__stack_chk_guard): Declare.
(__stack_chk_fail, __stack_chk_fail_local): Declare.
* libgcc2.c (L_stack_chk, L_stack_chk_local): New.
* mklibgcc.in (lib2funcs): Add them.
From-SVN: r101348
2005-06-27 09:41:16 +02:00
|
|
|
stack_protect_prologue ();
|
|
|
|
|
2009-01-15 16:44:41 +01:00
|
|
|
/* Update stack boundary if needed. */
|
|
|
|
if (SUPPORTS_STACK_ALIGNMENT)
|
|
|
|
{
|
|
|
|
/* Call update_stack_boundary here to update incoming stack
|
|
|
|
boundary before TARGET_FUNCTION_OK_FOR_SIBCALL is called.
|
|
|
|
TARGET_FUNCTION_OK_FOR_SIBCALL needs to know the accurate
|
|
|
|
incoming stack alignment to check if it is OK to perform
|
|
|
|
sibcall optimization since sibcall optimization will only
|
|
|
|
align the outgoing stack to incoming stack boundary. */
|
|
|
|
if (targetm.calls.update_stack_boundary)
|
|
|
|
targetm.calls.update_stack_boundary ();
|
|
|
|
|
|
|
|
/* The incoming stack frame has to be aligned at least at
|
|
|
|
parm_stack_boundary. */
|
|
|
|
gcc_assert (crtl->parm_stack_boundary <= INCOMING_STACK_BOUNDARY);
|
|
|
|
}
|
|
|
|
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
expand_phi_nodes (&SA);
|
|
|
|
|
2004-07-27 21:09:32 +02:00
|
|
|
/* Register rtl specific functions for cfg. */
|
2004-06-19 17:33:06 +02:00
|
|
|
rtl_register_cfg_hooks ();
|
|
|
|
|
|
|
|
init_block = construct_init_block ();
|
|
|
|
|
2006-06-22 19:54:45 +02:00
|
|
|
/* Clear EDGE_EXECUTABLE on the entry edge(s). It is cleaned from the
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
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remaining edges later. */
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2006-06-22 19:54:45 +02:00
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FOR_EACH_EDGE (e, ei, ENTRY_BLOCK_PTR->succs)
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e->flags &= ~EDGE_EXECUTABLE;
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2007-05-01 12:17:43 +02:00
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lab_rtx_for_bb = pointer_map_create ();
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2004-06-19 17:33:06 +02:00
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FOR_BB_BETWEEN (bb, init_block->next_bb, EXIT_BLOCK_PTR, next_bb)
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tree-vrp.c (execute_vrp): Do not pass dump argument to.
* tree-vrp.c (execute_vrp): Do not pass dump argument to.
loop_optimizer_init and loop_optimizer_finalize
* tree-ssa-sink.c (execute_sink_code): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
tree_ssa_loop_done): Ditto.
* tree-ssa-pre.c (init_pre, fini_pre): Ditto.
* sched-ebb.c: Include output.h.
(schedule_ebbs): Do not use dump argument.
* value-prof.h (struct profile_hooks): Remove profile_dump_file.
* loop.c (loop_dump_stream): Removed.
(loop_optimize, rest_of_handle_loop_optimize): Do not use dump
argument.
(scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
loop_iterations, strength_reduce, record_biv, record_giv,
final_giv_value, check_final_value, check_ext_dependent_givs,
combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
dump_file instead of loop_dump_stream.
* ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
argument dump_file.
* reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
dump argument.
* flow.c (life_analysis, rest_of_handle_life): Ditto.
* haifa-sched.c: Include output.h
(schedule_insns, sched_init): Do not use dump argument.
* mode-switching.c (optimize_mode_switching): Ditto.
* modulo-sched.c (stats_file): Removed.
(print_node_sched_params): Do not call argument dump_file.
(sms_schedule_by_order, loop_canon_p, sms_schedule,
rest_of_handle_sms): Do not use dump argument. Use dump_file instead
of stats_file.
* cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
use dump argument.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
rtl_loop_init, rtl_loop_done): Ditto.
* global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
* predict.c (combine_predictions_for_bb, tree_estimate_probability):
Ditto.
* recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
* lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
* regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
* emit-rtl.c (renumber_insns): Ditto.
* cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
expand_gimple_basic_block, tree_expand_cfg): Ditto.
* regclass.c (regclass): Ditto.
* tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
remove_ssa_form, rewrite_out_of_ssa): Ditto.
* reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
Ditto.
* sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
* local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
to regclass.
* gcse.c (gcse_file, debug_stderr): Removed.
(gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
rest_of_handle_gcse): Do not use dump argument.
(cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
compute_code_hoist_vbeinout, compute_code_hoist_data,
one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
compute_store_table, build_store_vectors, insert_insn_start_bb,
insert_store, remove_reachable_equiv_notes, replace_store_insn,
store_motion): Use dump_file instead of gcse_file.
* ipa-type-escape.c (type_escape_execute): Remove debugging comments.
* profile.c (profile_dump_file): Removed.
(branch_prob): Use dump_file instead of profile_dump_file.
* ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
dump_file.
* tree-ssa-copy.c (dump_copy_of): Ditto.
* rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
dump file to life_analysis.
* bt-load.c (branch_target_load_optimize): Ditto.
* cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
renumber_insns.
* rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
regclass, dbr_schedule): Declaration changed.
* sched-int.h (sched_init): Declaration changed.
* tree-profile.c (tree_profile_dump_file): Removed.
(tree_profile_hooks): Removed profile_dump_file hook.
* rtl-profile (rtl_profile_dump_file): Removed.
(rtl_profile_hooks): emoved profile_dump_file hook.
* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
changed.
* c-gimplify.c (c_genericize): Do not call local variable dump_file.
* tree-cfg.c (build_tree_cfg): Ditto.
* Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
* basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
Declaration changed.
* config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
life_analysis and schedule_insns.
* config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
life_analysis.
* config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
dbr_schedule.
* config/mips/mips.c (mips_reorg): Ditto.
* config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
schedule_ebbs.
From-SVN: r110656
2006-02-06 19:20:47 +01:00
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bb = expand_gimple_basic_block (bb);
|
predict.c (always_optimize_for_size_p): New function.
* predict.c (always_optimize_for_size_p): New function.
(optimize_bb_for_size_p, optimize_bb_for_speed_p,
optimize_edge_for_size_p, optimize_edge_for_speed_p,
optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
functions.
(rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
* function.c (prepare_function_start): Set default profile.
* function.h (rtl_data): Add maybe_hot_insn_p.
* cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
(construct_exit_block): Likewise.
(tree_expand_cfg): Likewise.
* basic-block.h
(optimize_bb_for_size_p, optimize_bb_for_speed_p,
optimize_edge_for_size_p, optimize_edge_for_speed_p,
optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
(rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
Declare.
From-SVN: r138237
2008-07-29 12:52:16 +02:00
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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
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|
|
if (MAY_HAVE_DEBUG_INSNS)
|
|
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expand_debug_locations ();
|
|
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Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
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execute_free_datastructures ();
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finish_out_of_ssa (&SA);
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predict.c (always_optimize_for_size_p): New function.
* predict.c (always_optimize_for_size_p): New function.
(optimize_bb_for_size_p, optimize_bb_for_speed_p,
optimize_edge_for_size_p, optimize_edge_for_speed_p,
optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
functions.
(rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
* function.c (prepare_function_start): Set default profile.
* function.h (rtl_data): Add maybe_hot_insn_p.
* cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
(construct_exit_block): Likewise.
(tree_expand_cfg): Likewise.
* basic-block.h
(optimize_bb_for_size_p, optimize_bb_for_speed_p,
optimize_edge_for_size_p, optimize_edge_for_speed_p,
optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
(rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
Declare.
From-SVN: r138237
2008-07-29 12:52:16 +02:00
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/* Expansion is used by optimization passes too, set maybe_hot_insn_p
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conservatively to true until they are all profile aware. */
|
2007-05-01 12:17:43 +02:00
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pointer_map_destroy (lab_rtx_for_bb);
|
except.c (dw2_size_of_call_site_table, [...]): Use vector API for call_site_record.
* except.c (dw2_size_of_call_site_table,
sjlj_size_of_call_site_table): Use vector API for call_site_record.
* cgraphbuild.c (build_cgraph_edges): Update.
* tree-pass.h: Update comment.
* final.c (leaf_function_p): Update.
(leaf_renumber_regs): Update.
(rest_of_clean_state): Update.
* omp-low.c (expand_omp_parallel): Update.
* ipa-reference.c (analyze_function): Update.
* reorg.c (find_end_label): Update.
(optimize_skip): Update.
(fill_simple_delay_slots): Update.
(fill_simple_delay_slots): Update.
(make_return_insns): Update.
(dbr_schedule): Update.
* gimple-low.c (record_vars_into): Update.
* cfgbuild.c (make_edges): Update.
* function.c (assign_stack_local): Update.
(assign_parm_adjust_stack_rtl): Update.
(locate_and_pad_parm): Update.
(allocate_struct_function): Do not initialize stack_alignment_needed
and preferred_stack_boundary here.
(stack_protect_prologue): Update.
(stack_protect_epilogue): Update.
(expand_function_start): Initialize stack_alignment_needed,
preferred_stack_boundary and max_jumptable_ents.
(expand_function_end): Update.
(free_after_compilation): Do not NULLify epilogue_delay_list.
* function.h (struct rtl_data): Add stack_protect_guard,
stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list.
(struct function): Remove value_histograms, stack_alignment_needed,
preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
last_label_uid,
unexpanded_var_list, stack_protect_guard.
(current_function_epilogue_delay_list): Remove.
* ipa-type-escape.c (analyze_function): Update.
* gimplify.c (pop_gimplify_context): Update comment.
* calls.c (expand_call): Update.
(emit_library_call_value_1): Update.
* except.c (set_nothrow_function_flags): Update.
* cfgexpand.c (get_decl_align_unit): Update.
(create_stack_guard): Update.
(estimated_stack_frame_size): Update.
(expand_used_vars): Update.
(tree_expand_cfg): Free histogram earliers, init expansion variables.
* explow.c (allocate_dynamic_stack_space): Update.
* tree-ssa-live.c (remove_unused_locals): Update.
* varasm.c (mark_constant_pool): Update.
* tree-inline.c (remap_decls): Update.
(initialize_cfun): Update.
(declare_return_variable): Update.
(inline_forbidden_p): Update.
(expand_call_inline): Update.
(declare_inline_vars): Update.
(tree_function_versioning): Update.
* tree-flow.h (value_histograms): New.
(VALUE_HISTOGRAMS): New macro.
* basic-block.h (control_flow_graph): Add max_jumptable_ents,
last_label_uid.
* tree-cfg.c (set_bb_for_stmt): Update.
(replace_by_duplicate_decl): Update.
(move_block_to_fn): Update.
(new_label_mapper): Update.
(dump_function_to_file): Update.
* ipa-struct-reorg.c (build_data_structure): Update.
* cfgrtl.c (print_rtl_with_bb): Update.
* reload1.c (reload): Update.
(reload): Update.
* config/i386/i386.c (setup_incoming_varargs_64,
ix86_compute_frame_layout): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
From-SVN: r134425
2008-04-18 07:26:12 +02:00
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free_histograms ();
|
2004-06-19 17:33:06 +02:00
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construct_exit_block ();
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alpha.c (alpha_output_mi_thunk_osf): Use insn_locators_alloc instead of insn_locators_initialize...
* config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
insn_locators_alloc instead of insn_locators_initialize;
call reset_block_changes.
* config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
* config/sh/sh.c (sparc_output_mi_thunk): Likewise.
* config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
* config/score/score.c (th_output_mi_thunk): Likewise.
* config/mips/mips.c (mips_output_mi_thunk): Likewise.
* cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
tolerate uninitialized locator info.
Re-apply:
* function.c (init_function_start): Don't init line number info.
(expand_function_end): Update.
(reset_block_changes, record_block_change, finalize_block_changes,
check_block_change, free_block_changes): Kill.
* function.h (reset_block_changes, record_block_change,
finalize_block_changes, check_block_change, free_block_changes): Remove
prototypes.
(struct function): Remove ib_boundaries_block.
* emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
Use curr_insn_locator to initialize locator.
(emit_line_note): Remove.
* cfgexpand.c (expand_gimple_cond_expr): Update.
(construct_exit_block): Likewise.
(tree_expand_cfg): Initialize/finalize locators.
* expr.c (expand_expr_real): Update.
* cfglayout.c (line_locators_locs, line_locators_lines,
file_locators_locs, file_locators_files): Remove.
(set_block_levels): Move to cfgexpand.c.
(insn_locators_initialize): Remove.
(pass_insn_locators_initialize): Remove.
(locations_locators_locs, locations_locators_vals): New static vars.
(curr_location, last_location, curr_block, last_block, curr_rtl_loc):
Likewise.
(insn_locators_alloc, insn_locators_finalize,
set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
New functions.
(locator_location): New.
(locator_line, locator_file): Rewrite.
* rtl.h (emit_line_note): Kill.
(insn_locators_alloc, insn_locators_finalize,
set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
Declare.
* tree-inline.c (initialize_cfun): Do not initialize
ib_boundaries_block.
* passes.c (pass_insn_locators_initialize): Remove.
From-SVN: r124258
2007-04-28 10:20:08 +02:00
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set_curr_insn_block (DECL_INITIAL (current_function_decl));
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insn_locators_finalize ();
|
2004-06-19 17:33:06 +02:00
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2008-05-21 11:22:09 +02:00
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/* Convert tree EH labels to RTL EH labels and zap the tree EH table. */
|
2004-06-19 17:33:06 +02:00
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convert_from_eh_region_ranges ();
|
2008-05-21 11:22:09 +02:00
|
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set_eh_throw_stmt_table (cfun, NULL);
|
2004-06-19 17:33:06 +02:00
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rebuild_jump_labels (get_insns ());
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find_exception_handler_labels ();
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Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR, next_bb)
|
|
|
|
{
|
|
|
|
edge e;
|
|
|
|
edge_iterator ei;
|
|
|
|
for (ei = ei_start (bb->succs); (e = ei_safe_edge (ei)); )
|
|
|
|
{
|
|
|
|
if (e->insns.r)
|
|
|
|
commit_one_edge_insertion (e);
|
|
|
|
else
|
|
|
|
ei_next (&ei);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* We're done expanding trees to RTL. */
|
|
|
|
currently_expanding_to_rtl = 0;
|
|
|
|
|
|
|
|
FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR->next_bb, EXIT_BLOCK_PTR, next_bb)
|
|
|
|
{
|
|
|
|
edge e;
|
|
|
|
edge_iterator ei;
|
|
|
|
for (ei = ei_start (bb->succs); (e = ei_safe_edge (ei)); )
|
|
|
|
{
|
|
|
|
/* Clear EDGE_EXECUTABLE. This flag is never used in the backend. */
|
|
|
|
e->flags &= ~EDGE_EXECUTABLE;
|
|
|
|
|
|
|
|
/* At the moment not all abnormal edges match the RTL
|
|
|
|
representation. It is safe to remove them here as
|
|
|
|
find_many_sub_basic_blocks will rediscover them.
|
|
|
|
In the future we should get this fixed properly. */
|
|
|
|
if ((e->flags & EDGE_ABNORMAL)
|
|
|
|
&& !(e->flags & EDGE_SIBCALL))
|
|
|
|
remove_edge (e);
|
|
|
|
else
|
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|
|
ei_next (&ei);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-06-19 17:33:06 +02:00
|
|
|
blocks = sbitmap_alloc (last_basic_block);
|
|
|
|
sbitmap_ones (blocks);
|
|
|
|
find_many_sub_basic_blocks (blocks);
|
|
|
|
sbitmap_free (blocks);
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
purge_all_dead_edges ();
|
2004-06-19 17:33:06 +02:00
|
|
|
|
|
|
|
compact_blocks ();
|
[multiple changes]
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* builtins.c (expand_builtin_setjmp_receiver): Replace
virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
(expand_builtin_apply_args_1): Likewise.
(expand_builtin_longjmp): Need DRAP for stack alignment.
(expand_builtin_apply): Likewise.
* caller-save.c (setup_save_areas): Call assign_stack_local_1
instead of assign_stack_local to allow alignment reduction.
* calls.c (emit_call_1): Need DRAP for stack alignment if
return pops.
(expand_call): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
* stmt.c (expand_nl_goto_receiver): Likewise.
* cfgexpand.c (get_decl_align_unit): Estimate stack variable
alignment and store to stack_alignment_estimated and
max_used_stack_slot_alignment.
(expand_one_var): Likewise.
(expand_stack_alignment): New function.
(tree_expand_cfg): Initialize max_used_stack_slot_alignment
and stack_alignment_estimated fields in rtl_data. Call
expand_stack_alignment at end.
* defaults.h (INCOMING_STACK_BOUNDARY): New.
(MAX_STACK_ALIGNMENT): Likewise.
(MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
(SUPPORTS_STACK_ALIGNMENT): Likewise.
* emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
stack alignment when generating virtual registers.
* function.c (assign_stack_local): Renamed to ...
(assign_stack_local_1): This. Add a parameter to indicate
if it is OK to reduce alignment.
(assign_stack_local): Use it.
(instantiate_new_reg): Instantiate virtual incoming args rtx
to vDRAP if stack realignment and DRAP is needed.
(assign_parms): Collect parameter/return type alignment and
contribute to stack_alignment_estimated.
(locate_and_pad_parm): Likewise.
(get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
with crtl->args.internal_arg_pointer.
* function.h (rtl_data): Add new field drap_reg,
max_used_stack_slot_alignment, stack_alignment_estimated,
stack_realign_needed, need_drap, stack_realign_processed and
stack_realign_finalized.
(stack_realign_fp): New macro.
(stack_realign_drap): Likewise.
* global.c (compute_regsets): Frame pointer is needed when
stack is realigned. Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* reload1.c (update_eliminables): Frame pointer is needed
when stack is realigned.
(init_elim_table): Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* rtl.h (assign_stack_local_1): Declare new funtion.
* target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
(TARGET_GET_DRAP_RTX): Likewise.
(TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
TARGET_GET_DRAP_RTX.
* target.h (gcc_target): Add update_stack_boundary and
get_drap_rtx.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
2008-07-30 Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
vdrap_reg, stack_realign and drap_reg_saved.
(add_cfi): Don't allow redefining CFA when DRAP is used.
(reg_save): Handle stack alignment.
(dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
alignment. Don't generate DWARF information for (set fp sp)
when DRAP is used.
(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
to INVALID_REGNUM.
(int_loc_descriptor): Move prototype forward. Also define if
DWARF2_UNWIND_INFO is true.
(output_cfa_loc): Handle DW_CFA_expression.
(build_cfa_aligned_loc): New.
(based_loc_descr): Update assert for stack realign. For local
variables, use sp+offset when stack is aligned without drap and
fp+offset when stack is aligned with drap. For arguments, use
cfa+offset when drap is used to align stack.
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_force_align_arg_pointer_string):
Break long line.
(ix86_gen_andsp): New.
(ix86_user_incoming_stack_boundary): Likewise.
(ix86_default_incoming_stack_boundary): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(ix86_can_eliminate): Likewise.
(find_drap_reg): Likewise.
(ix86_update_stack_boundary): Likewise.
(ix86_get_drap_rtx): Likewise.
(ix86_finalize_stack_realign_flags): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): Likewise.
(TARGET_GET_DRAP_RTX): Likewise.
(override_options): Overide option value for new options.
(ix86_function_ok_for_sibcall): Remove check for
force_align_arg_pointer.
(ix86_handle_cconv_attribute): Likewise.
(ix86_function_regparm): Likewise.
(setup_incoming_varargs_64): Don't set stack_alignment_needed
here.
(ix86_va_start): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
(ix86_select_alt_pic_regnum): Check DRAP register.
(ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
(ix86_compute_frame_layout): Compute frame layout wrt stack
realignment.
(ix86_internal_arg_pointer): Just return
virtual_incoming_args_rtx.
(ix86_expand_prologue): Decide if stack realignment is needed
and generate prologue code accordingly.
(ix86_expand_epilogue): Generate epilogue code wrt stack
realignment is really needed or not.
* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
(ABI_STACK_BOUNDARY): Likewise.
(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
(STACK_REALIGN_DEFAULT): Likewise.
(INCOMING_STACK_BOUNDARY): Likewise.
(MAX_STACK_ALIGNMENT): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
(REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
(CAN_ELIMINATE): Defined with ix86_can_eliminate.
(machine_function): Remove force_align_arg_pointer.
* config/i386/i386.md (BX_REG): New.
(R13_REG): Likewise.
* config/i386/i386.opt (mforce_drap): New.
(mincoming-stack-boundary): Likewise.
(mstackrealign): Add Init(-1).
* config/i386/i386-protos.h (ix86_can_eliminate): New
2008-07-30 H.J. Lu <hongjiu.lu@intel.com>
* doc/extend.texi: Update force_align_arg_pointer.
* doc/invoke.texi: Document -mincoming-stack-boundary. Update
-mstackrealign.
* doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
(INCOMING_STACK_BOUNDARY): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): New target hook.
(TARGET_GET_DRAP_RTX): Likewise.
From-SVN: r138335
2008-07-30 21:20:43 +02:00
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expand_stack_alignment ();
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2004-06-19 17:33:06 +02:00
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#ifdef ENABLE_CHECKING
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alias.c (init_alias_analysis): Correct whitespace.
* alias.c (init_alias_analysis): Correct whitespace.
* bb-reorder.c (fix_edges_for_rarely_executed_code,
partition_hot_cold_basic_blocks): Likewise.
* builtins.c (expand_builtin_printf, expand_builtin_fprintf,
expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
fold_builtin_snprintf_chk, fold_builtin_printf,
fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
do_mpfr_arg3, do_mpfr_sincos): Likewise.
* cfgcleanup.c (cleanup_cfg): Likewise.
* cfgexpand.c (tree_expand_cfg): Likewise.
* fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
* function.c (get_next_funcdef_no): Likewise.
* gengtype.c (main): Likewise.
* genmodes.c (main): Likewise.
* gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
* haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
* ifcvt.c (noce_emit_move_insn): Likewise.
* modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
Likewise.
* stor-layout.c (get_best_mode): Likewise.
* tree-ssa-loop-niter.c (get_val_for): Likewise.
* tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
perform_var_substitution, solve_graph): Likewise.
* tree-vrp.c (vrp_finalize): Likewise.
From-SVN: r121470
2007-02-01 21:32:20 +01:00
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verify_flow_info ();
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2004-06-19 17:33:06 +02:00
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#endif
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Unify the management of RTL and tree-level dump files.
2004-09-06 Paolo Bonzini <bonzini@gnu.org>
Unify the management of RTL and tree-level dump files.
* cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
Don't print function name to the dump file, the pass manager
would do this for us. Add code from the top of
rest_of_compilation, up to the initial RTL dump.
* passes.c (rest_of_handle_jump): Call fixup_tail_calls and
close the DFI_sibling dump file.
(rest_of_compilation): Don't do that here. Remove code up to the
initial RTL dump.
(init_optimization_passes): Remove.
(pass_rest_of_compilation): Change pass name to NULL.
* toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
Do not call init_optimization_passes.
* toplev.h (init_optimization_passes): Remove.
* graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
finish_graph_dump_file): Remove SUFFIX parameter.
* graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
finish_graph_dump_file): Likewise.
* tree-pass.h (struct tree_opt_pass): Add `letter' field.
* cfgexpand.c (pass_expand): Adjust.
* gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
* passes.c (pass_rest_of_compilation): Adjust.
* predict.c (pass_profile): Adjust.
* tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
* tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
pass_split_crit_edges, pass_warn_function_return): Adjust.
* tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
* tree-dfa.c (pass_referenced_vars): Adjust.
* tree-eh.c (pass_lower_eh): Adjust.
* tree-if-conv.c (pass_build_ssa): Adjust.
* tree-into-ssa.c (pass_build_ssa): Adjust.
* tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
* tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
* tree-nrv.c (pass_nrv): Adjust.
* tree-optimize.c (pass_gimple, pass_all_optimizations,
pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
pass_init_datastructures): Adjust.
* tree-outof-ssa.c (pass_del_ssa): Adjust.
* tree-profile.c (pass_tree_profile): Adjust.
* tree-sra.c (pass_sra): Adjust.
* tree-ssa-alias.c (pass_may_alias): Adjust.
* tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
* tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
* tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
* tree-ssa-dom.c (pass_dominator): Adjust.
* tree-ssa-dse.c (pass_dse): Adjust.
* tree-ssa-forwprop.c (pass_forwprop): Adjust.
* tree-ssa-if-conv.c (pass_if_conversion): Adjust.
* tree-ssa-loop-ch.c (pass_ch): Adjust.
* tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
pass_loop_done, pass_complete_unroll, pass_iv_canon,
pass_iv_optimize, pass_vectorize): Adjust.
* tree-ssa-phiopt.c (pass_phiopt): Adjust.
* tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
* tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
pass_late_warn_uninnitialized): Adjust.
* tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
* Makefile.in (tree-dump.o): Add new dependencies.
* cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
* cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
Likewise.
* toplev.c (dump_file_name): New.
* tree-dump.c (dump_enable_all): Add LETTER parameter.
(struct dump_file_info): Add NUM and LETTER fields.
(dump_files): Adjust and add RTL dump files.
(dump_register): Add NUM and LETTER fields.
(get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
(dump_begin): Use get_dump_file_name.
(dump_switch_p_1): Adjust call to dump_enable_all.
* tree-dump.h (dump_register): Adjust prototype.
* tree-optimize.c (register_one_dump_file): Take dump file index.
Support flags for RTL dumps.
(register_dump_files): Fill in NUM field of struct dump_file_info.
Track properties both when the gate is executed and when it is not.
(execute_todo): Dump RTL. Add PROPERTIES parameter.
(execute_one_pass): Pass properties to execute_todo. Handle VCG
dumps of RTL.
* tree-pass.h (dump_file_name): New.
* tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
New.
* Makefile.in (passes.o): Add new dependencies.
* passes.c (struct dump_file_info, enum dump_file_index,
dump_file_tbl, init_optimization_passes): Remove.
(open_dump_file, close_dump_file): Use tree-dumping infrastructure.
(rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
dump_enabled_p.
(finish_optimization_passes): Update finish_graph_dump_file loop.
(enable_rtl_dump_file): Remove.
* tree-dump.c (dump_files): Adjust and add RTL dump files.
(enable_rtl_dump_file): Add here.
* tree.h (enum tree_dump_index): Add RTL dump file indices.
* doc/invoke.texi (Debugging options): Document new RTL debugging
options. Update.
From-SVN: r87113
2004-09-06 12:08:17 +02:00
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/* There's no need to defer outputting this function any more; we
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know we want to output it. */
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DECL_DEFER_OUTPUT (current_function_decl) = 0;
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/* Now that we're done expanding trees to RTL, we shouldn't have any
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more CONCATs anywhere. */
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generating_concat_p = 0;
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2004-10-09 00:56:55 +02:00
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if (dump_file)
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{
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fprintf (dump_file,
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"\n\n;;\n;; Full RTL generated for this function:\n;;\n");
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/* And the pass manager will dump RTL for us. */
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}
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Makefile.in: Adjust dependencies.
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in: Adjust dependencies.
* tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
* basic-block.h (duplicate_computed_gotos): Remove, it is now static.
* alias.c (rest_of_handle_cfg, pass_cfg): New.
* bb-reorder.c (duplicate_computed_gotos): Make it static.
* cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
rest_of_compilation.
* bb-reorder.c (gate_duplicate_computed_gotos,
pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
rest_of_handle_reorder_blocks, pass_reorder_blocks,
gate_handle_partition_blocks, rest_of_handle_partition_blocks,
pass_partition_blocks): New.
* bt-load.c (gate_handle_branch_target_load_optimize,
rest_of_handle_branch_target_load_optimize,
pass_branch_target_load_optimize): New.
* cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
pass_jump2): New.
* cfglayout.c (pass_insn_locators_initialize): New.
* cfgrtl.c (pass_free_cfg): New.
* combine.c (gate_handle_combine, rest_of_handle_combine,
pass_combine): New.
* cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
* emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
* except.c (pass_set_nothrow_function_flags,
pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
pass_rtl_eh): New.
* final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
rest_of_handle_shorten_branches, pass_shorten_branches,
rest_of_clean_state, pass_clean_state): New.
* flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
rest_of_handle_remove_death_notes, pass_remove_death_notes,
rest_of_handle_life, pass_life, rest_of_handle_flow2,
pass_flow2): New.
* function.c (pass_instantiate_virtual_regs, pass_init_function,
rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
* gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
pass_gcse): New.
* global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
* ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
pass_rtl_ifcvt, gate_handle_if_after_combine,
rest_of_handle_if_after_combine, pass_if_after_combine,
gate_handle_if_after_reload, rest_of_handle_if_after_reload,
pass_if_after_reload): New.
* integrate.c (pass_initial_value_sets): New.
* jump.c (pass_cleanup_barriers, purge_line_number_notes,
pass_purge_lineno_notes): New.
* mode-switching.c (rest_of_handle_mode_switching,
pass_mode_switching): New.
* local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
* loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
pass_loop2): New.
* loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
pass_loop_optimize): New.
* modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
pass_sms): New.
* postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
pass_gcse2): New.
* postreload.c (gate_handle_postreload, rest_of_handle_postreload,
pass_postreload_cse): New.
* profile.c (gate_handle_profiling, pass_profiling,
rest_of_handle_branch_prob, pass_branch_prob): New.
* recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
pass_split_before_regstack, gate_handle_split_before_regstack,
gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
rest_of_handle_split_all_insns, pass_split_all_insns): New.
* reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
pass_stack_regs): New.
* regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
pass_stack_adjustments): New.
* regrename.c (gate_handle_regrename, rest_of_handle_regrename,
pass_regrename): New.
* reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
pass_delay_slots, gate_handle_machine_reorg,
rest_of_handle_machine_reorg, pass_machine_reorg): New.
* rtl.h (extern void purge_line_number_notes): New.
* sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
gate_handle_sched2, rest_of_handle_sched2, pass_sched,
pass_sched2): New.
* tracer.c (gate_handle_tracer, rest_of_handle_tracer,
pass_tracer): New.
* value-prof.c (gate_handle_value_profile_transformations,
rest_of_handle_value_profile_transformations,
pass_value_profile_transformations): New.
* var-tracking.c (gate_handle_var_tracking,
pass_variable_tracking): New.
* web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
* passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
rest_of_handle_delay_slots, rest_of_handle_stack_regs,
rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
rest_of_handle_old_regalloc, rest_of_handle_regrename,
rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
rest_of_handle_gcse2, rest_of_handle_regmove,
rest_of_handle_tracer, rest_of_handle_if_conversion,
rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
rest_of_handle_web, rest_of_handle_branch_prob,
rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
rest_of_handle_jump_bypass, rest_of_handle_combine,
rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
rest_of_handle_gcse, rest_of_handle_loop_optimize,
rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
rest_of_handle_mode_switching, rest_of_handle_jump,
rest_of_handle_eh, rest_of_handle_stack_adjustments,
rest_of_handle_flow2, rest_of_handle_jump2,
rest_of_handle_peephole2, rest_of_handle_postreload,
rest_of_handle_shorten_branches, rest_of_clean_state,
rest_of_compilation): Remove.
* cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
* passes.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
from tree-optimize.c.
(init_optimization_passes): Moved from tree-optimize.c,
adding the RTL optimizations.
* tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
* tree-optimize.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list,
init_tree_optimization_passes, ipa_passes): Delete.
* tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
the RTL dumps.
(TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
from tree.h.
(ipa_passes): Remove.
(all_passes, all_ipa_passes, all_lowering_passes): Now extern.
* tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
dump_switch_p, dump_flag_name): Moved to tree-pass.h.
(dump_info_p, dump_flag): Moved to tree-dump.h.
* Makefile.in: Adjust dependencies for tree-pretty-print.c,
cgraph.c, opts.c.
* passes.c (finish_optimization_passes): Use dump_begin
and dump_end, TDI_end.
(gate_rest_of_compilation): New.
(pass_rest_of_compilation): Use it.
(gate_postreload, pass_postreload): New.
* toplev.c (general_init): Rename init_tree_optimization_passes.
* toplev.h (init_tree_optimization_passes): Rename to
init_optimizations_passes.
* tree-dump.c (dump_flag): Make static.
(dump_files): Remove RTL dumps.
* tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
pass_cleanup_cfg, pass_free_cfg_annotations,
pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
pass_init_datastructures, pass_fixup_cfg): Make non-static.
* tree-pretty-print.c: Include tree-pass.h.
* cgraph.c: Include tree-dump.h.
cp:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (class.o, decl2.o): Adjust dependencies.
* class.c: Include tree-dump.h.
* decl2.c: Include tree-dump.h.
java:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (parse.o): Adjust dependencies.
* parse.y: Include tree-dump.h.
From-SVN: r101627
2005-07-05 18:20:53 +02:00
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/* If we're emitting a nested function, make sure its parent gets
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emitted as well. Doing otherwise confuses debug info. */
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2006-05-19 00:16:23 +02:00
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{
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Makefile.in: Adjust dependencies.
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in: Adjust dependencies.
* tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
* basic-block.h (duplicate_computed_gotos): Remove, it is now static.
* alias.c (rest_of_handle_cfg, pass_cfg): New.
* bb-reorder.c (duplicate_computed_gotos): Make it static.
* cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
rest_of_compilation.
* bb-reorder.c (gate_duplicate_computed_gotos,
pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
rest_of_handle_reorder_blocks, pass_reorder_blocks,
gate_handle_partition_blocks, rest_of_handle_partition_blocks,
pass_partition_blocks): New.
* bt-load.c (gate_handle_branch_target_load_optimize,
rest_of_handle_branch_target_load_optimize,
pass_branch_target_load_optimize): New.
* cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
pass_jump2): New.
* cfglayout.c (pass_insn_locators_initialize): New.
* cfgrtl.c (pass_free_cfg): New.
* combine.c (gate_handle_combine, rest_of_handle_combine,
pass_combine): New.
* cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
* emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
* except.c (pass_set_nothrow_function_flags,
pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
pass_rtl_eh): New.
* final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
rest_of_handle_shorten_branches, pass_shorten_branches,
rest_of_clean_state, pass_clean_state): New.
* flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
rest_of_handle_remove_death_notes, pass_remove_death_notes,
rest_of_handle_life, pass_life, rest_of_handle_flow2,
pass_flow2): New.
* function.c (pass_instantiate_virtual_regs, pass_init_function,
rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
* gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
pass_gcse): New.
* global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
* ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
pass_rtl_ifcvt, gate_handle_if_after_combine,
rest_of_handle_if_after_combine, pass_if_after_combine,
gate_handle_if_after_reload, rest_of_handle_if_after_reload,
pass_if_after_reload): New.
* integrate.c (pass_initial_value_sets): New.
* jump.c (pass_cleanup_barriers, purge_line_number_notes,
pass_purge_lineno_notes): New.
* mode-switching.c (rest_of_handle_mode_switching,
pass_mode_switching): New.
* local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
* loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
pass_loop2): New.
* loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
pass_loop_optimize): New.
* modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
pass_sms): New.
* postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
pass_gcse2): New.
* postreload.c (gate_handle_postreload, rest_of_handle_postreload,
pass_postreload_cse): New.
* profile.c (gate_handle_profiling, pass_profiling,
rest_of_handle_branch_prob, pass_branch_prob): New.
* recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
pass_split_before_regstack, gate_handle_split_before_regstack,
gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
rest_of_handle_split_all_insns, pass_split_all_insns): New.
* reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
pass_stack_regs): New.
* regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
pass_stack_adjustments): New.
* regrename.c (gate_handle_regrename, rest_of_handle_regrename,
pass_regrename): New.
* reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
pass_delay_slots, gate_handle_machine_reorg,
rest_of_handle_machine_reorg, pass_machine_reorg): New.
* rtl.h (extern void purge_line_number_notes): New.
* sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
gate_handle_sched2, rest_of_handle_sched2, pass_sched,
pass_sched2): New.
* tracer.c (gate_handle_tracer, rest_of_handle_tracer,
pass_tracer): New.
* value-prof.c (gate_handle_value_profile_transformations,
rest_of_handle_value_profile_transformations,
pass_value_profile_transformations): New.
* var-tracking.c (gate_handle_var_tracking,
pass_variable_tracking): New.
* web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
* passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
rest_of_handle_delay_slots, rest_of_handle_stack_regs,
rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
rest_of_handle_old_regalloc, rest_of_handle_regrename,
rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
rest_of_handle_gcse2, rest_of_handle_regmove,
rest_of_handle_tracer, rest_of_handle_if_conversion,
rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
rest_of_handle_web, rest_of_handle_branch_prob,
rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
rest_of_handle_jump_bypass, rest_of_handle_combine,
rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
rest_of_handle_gcse, rest_of_handle_loop_optimize,
rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
rest_of_handle_mode_switching, rest_of_handle_jump,
rest_of_handle_eh, rest_of_handle_stack_adjustments,
rest_of_handle_flow2, rest_of_handle_jump2,
rest_of_handle_peephole2, rest_of_handle_postreload,
rest_of_handle_shorten_branches, rest_of_clean_state,
rest_of_compilation): Remove.
* cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
* passes.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
from tree-optimize.c.
(init_optimization_passes): Moved from tree-optimize.c,
adding the RTL optimizations.
* tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
* tree-optimize.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list,
init_tree_optimization_passes, ipa_passes): Delete.
* tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
the RTL dumps.
(TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
from tree.h.
(ipa_passes): Remove.
(all_passes, all_ipa_passes, all_lowering_passes): Now extern.
* tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
dump_switch_p, dump_flag_name): Moved to tree-pass.h.
(dump_info_p, dump_flag): Moved to tree-dump.h.
* Makefile.in: Adjust dependencies for tree-pretty-print.c,
cgraph.c, opts.c.
* passes.c (finish_optimization_passes): Use dump_begin
and dump_end, TDI_end.
(gate_rest_of_compilation): New.
(pass_rest_of_compilation): Use it.
(gate_postreload, pass_postreload): New.
* toplev.c (general_init): Rename init_tree_optimization_passes.
* toplev.h (init_tree_optimization_passes): Rename to
init_optimizations_passes.
* tree-dump.c (dump_flag): Make static.
(dump_files): Remove RTL dumps.
* tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
pass_cleanup_cfg, pass_free_cfg_annotations,
pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
pass_init_datastructures, pass_fixup_cfg): Make non-static.
* tree-pretty-print.c: Include tree-pass.h.
* cgraph.c: Include tree-dump.h.
cp:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (class.o, decl2.o): Adjust dependencies.
* class.c: Include tree-dump.h.
* decl2.c: Include tree-dump.h.
java:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (parse.o): Adjust dependencies.
* parse.y: Include tree-dump.h.
From-SVN: r101627
2005-07-05 18:20:53 +02:00
|
|
|
tree parent;
|
|
|
|
for (parent = DECL_CONTEXT (current_function_decl);
|
2006-05-19 00:16:23 +02:00
|
|
|
parent != NULL_TREE;
|
|
|
|
parent = get_containing_scope (parent))
|
Makefile.in: Adjust dependencies.
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in: Adjust dependencies.
* tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
* basic-block.h (duplicate_computed_gotos): Remove, it is now static.
* alias.c (rest_of_handle_cfg, pass_cfg): New.
* bb-reorder.c (duplicate_computed_gotos): Make it static.
* cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
rest_of_compilation.
* bb-reorder.c (gate_duplicate_computed_gotos,
pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
rest_of_handle_reorder_blocks, pass_reorder_blocks,
gate_handle_partition_blocks, rest_of_handle_partition_blocks,
pass_partition_blocks): New.
* bt-load.c (gate_handle_branch_target_load_optimize,
rest_of_handle_branch_target_load_optimize,
pass_branch_target_load_optimize): New.
* cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
pass_jump2): New.
* cfglayout.c (pass_insn_locators_initialize): New.
* cfgrtl.c (pass_free_cfg): New.
* combine.c (gate_handle_combine, rest_of_handle_combine,
pass_combine): New.
* cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
* emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
* except.c (pass_set_nothrow_function_flags,
pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
pass_rtl_eh): New.
* final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
rest_of_handle_shorten_branches, pass_shorten_branches,
rest_of_clean_state, pass_clean_state): New.
* flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
rest_of_handle_remove_death_notes, pass_remove_death_notes,
rest_of_handle_life, pass_life, rest_of_handle_flow2,
pass_flow2): New.
* function.c (pass_instantiate_virtual_regs, pass_init_function,
rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
* gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
pass_gcse): New.
* global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
* ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
pass_rtl_ifcvt, gate_handle_if_after_combine,
rest_of_handle_if_after_combine, pass_if_after_combine,
gate_handle_if_after_reload, rest_of_handle_if_after_reload,
pass_if_after_reload): New.
* integrate.c (pass_initial_value_sets): New.
* jump.c (pass_cleanup_barriers, purge_line_number_notes,
pass_purge_lineno_notes): New.
* mode-switching.c (rest_of_handle_mode_switching,
pass_mode_switching): New.
* local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
* loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
pass_loop2): New.
* loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
pass_loop_optimize): New.
* modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
pass_sms): New.
* postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
pass_gcse2): New.
* postreload.c (gate_handle_postreload, rest_of_handle_postreload,
pass_postreload_cse): New.
* profile.c (gate_handle_profiling, pass_profiling,
rest_of_handle_branch_prob, pass_branch_prob): New.
* recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
pass_split_before_regstack, gate_handle_split_before_regstack,
gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
rest_of_handle_split_all_insns, pass_split_all_insns): New.
* reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
pass_stack_regs): New.
* regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
pass_stack_adjustments): New.
* regrename.c (gate_handle_regrename, rest_of_handle_regrename,
pass_regrename): New.
* reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
pass_delay_slots, gate_handle_machine_reorg,
rest_of_handle_machine_reorg, pass_machine_reorg): New.
* rtl.h (extern void purge_line_number_notes): New.
* sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
gate_handle_sched2, rest_of_handle_sched2, pass_sched,
pass_sched2): New.
* tracer.c (gate_handle_tracer, rest_of_handle_tracer,
pass_tracer): New.
* value-prof.c (gate_handle_value_profile_transformations,
rest_of_handle_value_profile_transformations,
pass_value_profile_transformations): New.
* var-tracking.c (gate_handle_var_tracking,
pass_variable_tracking): New.
* web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
* passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
rest_of_handle_delay_slots, rest_of_handle_stack_regs,
rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
rest_of_handle_old_regalloc, rest_of_handle_regrename,
rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
rest_of_handle_gcse2, rest_of_handle_regmove,
rest_of_handle_tracer, rest_of_handle_if_conversion,
rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
rest_of_handle_web, rest_of_handle_branch_prob,
rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
rest_of_handle_jump_bypass, rest_of_handle_combine,
rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
rest_of_handle_gcse, rest_of_handle_loop_optimize,
rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
rest_of_handle_mode_switching, rest_of_handle_jump,
rest_of_handle_eh, rest_of_handle_stack_adjustments,
rest_of_handle_flow2, rest_of_handle_jump2,
rest_of_handle_peephole2, rest_of_handle_postreload,
rest_of_handle_shorten_branches, rest_of_clean_state,
rest_of_compilation): Remove.
* cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
* passes.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
from tree-optimize.c.
(init_optimization_passes): Moved from tree-optimize.c,
adding the RTL optimizations.
* tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
* tree-optimize.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list,
init_tree_optimization_passes, ipa_passes): Delete.
* tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
the RTL dumps.
(TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
from tree.h.
(ipa_passes): Remove.
(all_passes, all_ipa_passes, all_lowering_passes): Now extern.
* tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
dump_switch_p, dump_flag_name): Moved to tree-pass.h.
(dump_info_p, dump_flag): Moved to tree-dump.h.
* Makefile.in: Adjust dependencies for tree-pretty-print.c,
cgraph.c, opts.c.
* passes.c (finish_optimization_passes): Use dump_begin
and dump_end, TDI_end.
(gate_rest_of_compilation): New.
(pass_rest_of_compilation): Use it.
(gate_postreload, pass_postreload): New.
* toplev.c (general_init): Rename init_tree_optimization_passes.
* toplev.h (init_tree_optimization_passes): Rename to
init_optimizations_passes.
* tree-dump.c (dump_flag): Make static.
(dump_files): Remove RTL dumps.
* tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
pass_cleanup_cfg, pass_free_cfg_annotations,
pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
pass_init_datastructures, pass_fixup_cfg): Make non-static.
* tree-pretty-print.c: Include tree-pass.h.
* cgraph.c: Include tree-dump.h.
cp:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (class.o, decl2.o): Adjust dependencies.
* class.c: Include tree-dump.h.
* decl2.c: Include tree-dump.h.
java:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (parse.o): Adjust dependencies.
* parse.y: Include tree-dump.h.
From-SVN: r101627
2005-07-05 18:20:53 +02:00
|
|
|
if (TREE_CODE (parent) == FUNCTION_DECL)
|
2006-05-19 00:16:23 +02:00
|
|
|
TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (parent)) = 1;
|
Makefile.in: Adjust dependencies.
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in: Adjust dependencies.
* tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
* basic-block.h (duplicate_computed_gotos): Remove, it is now static.
* alias.c (rest_of_handle_cfg, pass_cfg): New.
* bb-reorder.c (duplicate_computed_gotos): Make it static.
* cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
rest_of_compilation.
* bb-reorder.c (gate_duplicate_computed_gotos,
pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
rest_of_handle_reorder_blocks, pass_reorder_blocks,
gate_handle_partition_blocks, rest_of_handle_partition_blocks,
pass_partition_blocks): New.
* bt-load.c (gate_handle_branch_target_load_optimize,
rest_of_handle_branch_target_load_optimize,
pass_branch_target_load_optimize): New.
* cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
pass_jump2): New.
* cfglayout.c (pass_insn_locators_initialize): New.
* cfgrtl.c (pass_free_cfg): New.
* combine.c (gate_handle_combine, rest_of_handle_combine,
pass_combine): New.
* cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
* emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
* except.c (pass_set_nothrow_function_flags,
pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
pass_rtl_eh): New.
* final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
rest_of_handle_shorten_branches, pass_shorten_branches,
rest_of_clean_state, pass_clean_state): New.
* flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
rest_of_handle_remove_death_notes, pass_remove_death_notes,
rest_of_handle_life, pass_life, rest_of_handle_flow2,
pass_flow2): New.
* function.c (pass_instantiate_virtual_regs, pass_init_function,
rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
* gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
pass_gcse): New.
* global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
* ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
pass_rtl_ifcvt, gate_handle_if_after_combine,
rest_of_handle_if_after_combine, pass_if_after_combine,
gate_handle_if_after_reload, rest_of_handle_if_after_reload,
pass_if_after_reload): New.
* integrate.c (pass_initial_value_sets): New.
* jump.c (pass_cleanup_barriers, purge_line_number_notes,
pass_purge_lineno_notes): New.
* mode-switching.c (rest_of_handle_mode_switching,
pass_mode_switching): New.
* local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
* loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
pass_loop2): New.
* loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
pass_loop_optimize): New.
* modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
pass_sms): New.
* postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
pass_gcse2): New.
* postreload.c (gate_handle_postreload, rest_of_handle_postreload,
pass_postreload_cse): New.
* profile.c (gate_handle_profiling, pass_profiling,
rest_of_handle_branch_prob, pass_branch_prob): New.
* recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
pass_split_before_regstack, gate_handle_split_before_regstack,
gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
rest_of_handle_split_all_insns, pass_split_all_insns): New.
* reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
pass_stack_regs): New.
* regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
pass_stack_adjustments): New.
* regrename.c (gate_handle_regrename, rest_of_handle_regrename,
pass_regrename): New.
* reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
pass_delay_slots, gate_handle_machine_reorg,
rest_of_handle_machine_reorg, pass_machine_reorg): New.
* rtl.h (extern void purge_line_number_notes): New.
* sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
gate_handle_sched2, rest_of_handle_sched2, pass_sched,
pass_sched2): New.
* tracer.c (gate_handle_tracer, rest_of_handle_tracer,
pass_tracer): New.
* value-prof.c (gate_handle_value_profile_transformations,
rest_of_handle_value_profile_transformations,
pass_value_profile_transformations): New.
* var-tracking.c (gate_handle_var_tracking,
pass_variable_tracking): New.
* web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
* passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
rest_of_handle_delay_slots, rest_of_handle_stack_regs,
rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
rest_of_handle_old_regalloc, rest_of_handle_regrename,
rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
rest_of_handle_gcse2, rest_of_handle_regmove,
rest_of_handle_tracer, rest_of_handle_if_conversion,
rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
rest_of_handle_web, rest_of_handle_branch_prob,
rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
rest_of_handle_jump_bypass, rest_of_handle_combine,
rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
rest_of_handle_gcse, rest_of_handle_loop_optimize,
rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
rest_of_handle_mode_switching, rest_of_handle_jump,
rest_of_handle_eh, rest_of_handle_stack_adjustments,
rest_of_handle_flow2, rest_of_handle_jump2,
rest_of_handle_peephole2, rest_of_handle_postreload,
rest_of_handle_shorten_branches, rest_of_clean_state,
rest_of_compilation): Remove.
* cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
* passes.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
from tree-optimize.c.
(init_optimization_passes): Moved from tree-optimize.c,
adding the RTL optimizations.
* tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
* tree-optimize.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list,
init_tree_optimization_passes, ipa_passes): Delete.
* tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
the RTL dumps.
(TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
from tree.h.
(ipa_passes): Remove.
(all_passes, all_ipa_passes, all_lowering_passes): Now extern.
* tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
dump_switch_p, dump_flag_name): Moved to tree-pass.h.
(dump_info_p, dump_flag): Moved to tree-dump.h.
* Makefile.in: Adjust dependencies for tree-pretty-print.c,
cgraph.c, opts.c.
* passes.c (finish_optimization_passes): Use dump_begin
and dump_end, TDI_end.
(gate_rest_of_compilation): New.
(pass_rest_of_compilation): Use it.
(gate_postreload, pass_postreload): New.
* toplev.c (general_init): Rename init_tree_optimization_passes.
* toplev.h (init_tree_optimization_passes): Rename to
init_optimizations_passes.
* tree-dump.c (dump_flag): Make static.
(dump_files): Remove RTL dumps.
* tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
pass_cleanup_cfg, pass_free_cfg_annotations,
pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
pass_init_datastructures, pass_fixup_cfg): Make non-static.
* tree-pretty-print.c: Include tree-pass.h.
* cgraph.c: Include tree-dump.h.
cp:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (class.o, decl2.o): Adjust dependencies.
* class.c: Include tree-dump.h.
* decl2.c: Include tree-dump.h.
java:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (parse.o): Adjust dependencies.
* parse.y: Include tree-dump.h.
From-SVN: r101627
2005-07-05 18:20:53 +02:00
|
|
|
}
|
2006-05-19 00:16:23 +02:00
|
|
|
|
Makefile.in: Adjust dependencies.
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in: Adjust dependencies.
* tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
* basic-block.h (duplicate_computed_gotos): Remove, it is now static.
* alias.c (rest_of_handle_cfg, pass_cfg): New.
* bb-reorder.c (duplicate_computed_gotos): Make it static.
* cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
rest_of_compilation.
* bb-reorder.c (gate_duplicate_computed_gotos,
pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
rest_of_handle_reorder_blocks, pass_reorder_blocks,
gate_handle_partition_blocks, rest_of_handle_partition_blocks,
pass_partition_blocks): New.
* bt-load.c (gate_handle_branch_target_load_optimize,
rest_of_handle_branch_target_load_optimize,
pass_branch_target_load_optimize): New.
* cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
pass_jump2): New.
* cfglayout.c (pass_insn_locators_initialize): New.
* cfgrtl.c (pass_free_cfg): New.
* combine.c (gate_handle_combine, rest_of_handle_combine,
pass_combine): New.
* cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
* emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
* except.c (pass_set_nothrow_function_flags,
pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
pass_rtl_eh): New.
* final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
rest_of_handle_shorten_branches, pass_shorten_branches,
rest_of_clean_state, pass_clean_state): New.
* flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
rest_of_handle_remove_death_notes, pass_remove_death_notes,
rest_of_handle_life, pass_life, rest_of_handle_flow2,
pass_flow2): New.
* function.c (pass_instantiate_virtual_regs, pass_init_function,
rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
* gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
pass_gcse): New.
* global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
* ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
pass_rtl_ifcvt, gate_handle_if_after_combine,
rest_of_handle_if_after_combine, pass_if_after_combine,
gate_handle_if_after_reload, rest_of_handle_if_after_reload,
pass_if_after_reload): New.
* integrate.c (pass_initial_value_sets): New.
* jump.c (pass_cleanup_barriers, purge_line_number_notes,
pass_purge_lineno_notes): New.
* mode-switching.c (rest_of_handle_mode_switching,
pass_mode_switching): New.
* local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
* loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
pass_loop2): New.
* loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
pass_loop_optimize): New.
* modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
pass_sms): New.
* postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
pass_gcse2): New.
* postreload.c (gate_handle_postreload, rest_of_handle_postreload,
pass_postreload_cse): New.
* profile.c (gate_handle_profiling, pass_profiling,
rest_of_handle_branch_prob, pass_branch_prob): New.
* recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
pass_split_before_regstack, gate_handle_split_before_regstack,
gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
rest_of_handle_split_all_insns, pass_split_all_insns): New.
* reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
pass_stack_regs): New.
* regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
pass_stack_adjustments): New.
* regrename.c (gate_handle_regrename, rest_of_handle_regrename,
pass_regrename): New.
* reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
pass_delay_slots, gate_handle_machine_reorg,
rest_of_handle_machine_reorg, pass_machine_reorg): New.
* rtl.h (extern void purge_line_number_notes): New.
* sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
gate_handle_sched2, rest_of_handle_sched2, pass_sched,
pass_sched2): New.
* tracer.c (gate_handle_tracer, rest_of_handle_tracer,
pass_tracer): New.
* value-prof.c (gate_handle_value_profile_transformations,
rest_of_handle_value_profile_transformations,
pass_value_profile_transformations): New.
* var-tracking.c (gate_handle_var_tracking,
pass_variable_tracking): New.
* web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
* passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
rest_of_handle_delay_slots, rest_of_handle_stack_regs,
rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
rest_of_handle_old_regalloc, rest_of_handle_regrename,
rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
rest_of_handle_gcse2, rest_of_handle_regmove,
rest_of_handle_tracer, rest_of_handle_if_conversion,
rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
rest_of_handle_web, rest_of_handle_branch_prob,
rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
rest_of_handle_jump_bypass, rest_of_handle_combine,
rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
rest_of_handle_gcse, rest_of_handle_loop_optimize,
rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
rest_of_handle_mode_switching, rest_of_handle_jump,
rest_of_handle_eh, rest_of_handle_stack_adjustments,
rest_of_handle_flow2, rest_of_handle_jump2,
rest_of_handle_peephole2, rest_of_handle_postreload,
rest_of_handle_shorten_branches, rest_of_clean_state,
rest_of_compilation): Remove.
* cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
* passes.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
from tree-optimize.c.
(init_optimization_passes): Moved from tree-optimize.c,
adding the RTL optimizations.
* tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
* tree-optimize.c (dump_flags, in_gimple_form, all_passes,
all_ipa_passes, all_lowering_passes, register_one_dump_file,
register_dump_files, next_pass_1, last_verified, execute_todo,
execute_one_pass, execute_pass_list, execute_ipa_pass_list,
init_tree_optimization_passes, ipa_passes): Delete.
* tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
the RTL dumps.
(TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
from tree.h.
(ipa_passes): Remove.
(all_passes, all_ipa_passes, all_lowering_passes): Now extern.
* tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
dump_switch_p, dump_flag_name): Moved to tree-pass.h.
(dump_info_p, dump_flag): Moved to tree-dump.h.
* Makefile.in: Adjust dependencies for tree-pretty-print.c,
cgraph.c, opts.c.
* passes.c (finish_optimization_passes): Use dump_begin
and dump_end, TDI_end.
(gate_rest_of_compilation): New.
(pass_rest_of_compilation): Use it.
(gate_postreload, pass_postreload): New.
* toplev.c (general_init): Rename init_tree_optimization_passes.
* toplev.h (init_tree_optimization_passes): Rename to
init_optimizations_passes.
* tree-dump.c (dump_flag): Make static.
(dump_files): Remove RTL dumps.
* tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
pass_cleanup_cfg, pass_free_cfg_annotations,
pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
pass_init_datastructures, pass_fixup_cfg): Make non-static.
* tree-pretty-print.c: Include tree-pass.h.
* cgraph.c: Include tree-dump.h.
cp:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (class.o, decl2.o): Adjust dependencies.
* class.c: Include tree-dump.h.
* decl2.c: Include tree-dump.h.
java:
2005-07-05 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (parse.o): Adjust dependencies.
* parse.y: Include tree-dump.h.
From-SVN: r101627
2005-07-05 18:20:53 +02:00
|
|
|
/* We are now committed to emitting code for this function. Do any
|
|
|
|
preparation, such as emitting abstract debug info for the inline
|
|
|
|
before it gets mangled by optimization. */
|
|
|
|
if (cgraph_function_possibly_inlined_p (current_function_decl))
|
|
|
|
(*debug_hooks->outlining_inline_function) (current_function_decl);
|
|
|
|
|
|
|
|
TREE_ASM_WRITTEN (current_function_decl) = 1;
|
2005-10-07 00:14:37 +02:00
|
|
|
|
|
|
|
/* After expanding, the return labels are no longer needed. */
|
|
|
|
return_label = NULL;
|
|
|
|
naked_return_label = NULL;
|
alpha.c (alpha_output_mi_thunk_osf): Use insn_locators_alloc instead of insn_locators_initialize...
* config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
insn_locators_alloc instead of insn_locators_initialize;
call reset_block_changes.
* config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
* config/sh/sh.c (sparc_output_mi_thunk): Likewise.
* config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
* config/score/score.c (th_output_mi_thunk): Likewise.
* config/mips/mips.c (mips_output_mi_thunk): Likewise.
* cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
tolerate uninitialized locator info.
Re-apply:
* function.c (init_function_start): Don't init line number info.
(expand_function_end): Update.
(reset_block_changes, record_block_change, finalize_block_changes,
check_block_change, free_block_changes): Kill.
* function.h (reset_block_changes, record_block_change,
finalize_block_changes, check_block_change, free_block_changes): Remove
prototypes.
(struct function): Remove ib_boundaries_block.
* emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
Use curr_insn_locator to initialize locator.
(emit_line_note): Remove.
* cfgexpand.c (expand_gimple_cond_expr): Update.
(construct_exit_block): Likewise.
(tree_expand_cfg): Initialize/finalize locators.
* expr.c (expand_expr_real): Update.
* cfglayout.c (line_locators_locs, line_locators_lines,
file_locators_locs, file_locators_files): Remove.
(set_block_levels): Move to cfgexpand.c.
(insn_locators_initialize): Remove.
(pass_insn_locators_initialize): Remove.
(locations_locators_locs, locations_locators_vals): New static vars.
(curr_location, last_location, curr_block, last_block, curr_rtl_loc):
Likewise.
(insn_locators_alloc, insn_locators_finalize,
set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
New functions.
(locator_location): New.
(locator_line, locator_file): Rewrite.
* rtl.h (emit_line_note): Kill.
(insn_locators_alloc, insn_locators_finalize,
set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
Declare.
* tree-inline.c (initialize_cfun): Do not initialize
ib_boundaries_block.
* passes.c (pass_insn_locators_initialize): Remove.
From-SVN: r124258
2007-04-28 10:20:08 +02:00
|
|
|
/* Tag the blocks with a depth number so that change_scope can find
|
|
|
|
the common parent easily. */
|
|
|
|
set_block_levels (DECL_INITIAL (cfun->decl), 0);
|
predict.c (always_optimize_for_size_p): New function.
* predict.c (always_optimize_for_size_p): New function.
(optimize_bb_for_size_p, optimize_bb_for_speed_p,
optimize_edge_for_size_p, optimize_edge_for_speed_p,
optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
functions.
(rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
* function.c (prepare_function_start): Set default profile.
* function.h (rtl_data): Add maybe_hot_insn_p.
* cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
(construct_exit_block): Likewise.
(tree_expand_cfg): Likewise.
* basic-block.h
(optimize_bb_for_size_p, optimize_bb_for_speed_p,
optimize_edge_for_size_p, optimize_edge_for_speed_p,
optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
(rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
Declare.
From-SVN: r138237
2008-07-29 12:52:16 +02:00
|
|
|
default_rtl_profile ();
|
2006-03-02 20:00:11 +01:00
|
|
|
return 0;
|
2004-06-19 17:33:06 +02:00
|
|
|
}
|
|
|
|
|
re PR testsuite/35843 (-fdump-rtl-expand does not exist anymore)
PR testsuite/35843
* cfgexpand.c (pass_expand): Turn into RTL pass.
* passes.c (execute_one_pass): Do pass typechecking after execution.
* tree-pass.h (pass_expand): Turn into RTL pass.
* function.h (struct rtl_data): Move here fields
accesses_prior_frames, calls_eh_return, saves_all_registers,
has_nonlocal_goto, has_asm_statement, is_thunk,
all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
arg_pointer_save_area_init from struct function; turn into bool.
(struct function): Move
calls_eh_return, saves_all_registers, has_nonlocal_goto,
has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
tail_call_emit, arg_pointer_save_area_init
into struct rtl_data. Remove recursive_call_emit and gimplified flags.
(current_function_returns_struct, current_function_returns_pcc_struct,
current_function_calls_setjmp, current_function_calls_alloca,
current_function_accesses_prior_frames,
current_function_calls_eh_return, current_function_is_thunk,
current_function_stdarg, current_function_profile,
current_function_limit_stack, current_function_uses_pic_offset_table,
current_function_uses_const_pool, current_function_has_nonlocal_label,
current_function_saves_all_registers,
current_function_has_nonlocal_goto,
current_function_has_asm_statement): Remove accesor macros.
* ra-conflict.c (global_conflicts): Update.
* tree-tailcall.c (suitable_for_tail_opt_p): Update.
(suitable_for_tail_call_opt_p): Update.
* builtins.c (expand_builtin_return_addr): Update.
(expand_builtin_setjmp_setup): Update.
(expand_builtin_nonlocal_goto): Update.
* final.c (final_start_function): Update.
(profile_function): Update.
(leaf_function_p): Update.
(only_leaf_regs_used): Update.
* df-scan.c (df_get_exit_block_use_set): Update.
* dojump.c (clear_pending_stack_adjust): Update.
* tree-stdarg.c (gate_optimize_stdarg): Update.
* gimple-low.c (lower_function_body): Update.
* global.c (compute_regsets): Update.
(global_alloc): Update.
* dwarf2out.c (dwarf2out_begin_prologue): Update.
* expr.c (expand_assignment): Update.
* dse.c (dse_step0): Update.
(dse_step1): Update.
* c-decl.c (store_parm_decls): Update.
* local-alloc.c (combine_regs): Update.
(find_free_reg): Update.
* function.c (assign_parms_augmented_arg_list): Update.
(assign_parm_find_data_types): Update.
(assign_parms): Update.
(allocate_struct_function): Update.
(expand_function_start): Update.
(expand_function_end): Update.
(get_arg_pointer_save_area): Update.
(thread_prologue_and_epilogue_insns): Update.
(rest_of_match_asm_constraints): Update.
* stor-layout.c (variable_size): Update.
* gcse.c (gcse_main): Update.
(bypass_jumps): Update.
* gimplify.c (gimplify_function_tree): Update.
* calls.c (emit_call_1): Update.
(expand_call): Update.
* bt-load.c (compute_defs_uses_and_gen): Update.
* except.c (sjlj_assign_call_site_values): Update.
(sjlj_emit_function_enter): Update.
(can_throw_external): Update.
(set_nothrow_function_flags): Update.
(expand_builtin_unwind_init): Update.
(expand_eh_return): Update.
(convert_to_eh_region_ranges): Update.
(output_function_exception_table): Update.
* emit-rtl.c (gen_tmp_stack_mem): Update.
* cfgexpand.c (expand_used_vars): Update.
(tree_expand_cfg): Update.
* cfgcleanup.c (rest_of_handle_jump): Update.
* explow.c (allocate_dynamic_stack_space): Update.
* varasm.c (assemble_start_function): Update.
(force_const_mem): Update.
(mark_constant_pool): Update.
* tree-optimize.c (tree_rest_of_compilation): Update.
* stack-ptr-mod.c (notice_stack_pointer_modification): Update.
* tree-cfg.c (notice_special_calls): Update.
(is_ctrl_altering_stmt): Update.
(tree_can_make_abnormal_goto): Update.
(tree_purge_dead_abnormal_call_edges): Update.
* config/alpha/predicates.md: Update.
* config/alpha/alpha.c (alpha_sa_mask): Update.
(alpha_sa_size): Update.
(alpha_does_function_need_gp): Update.
(alpha_expand_prologue): Update.
(alpha_start_function): Update.
(alpha_output_function_end_prologue): Update.
(alpha_expand_epilogue): Update.
* config/frv/frv.c (frv_stack_info): Update.
(frv_expand_epilogue): Update.
* config/s390/s390.c (s390_regs_ever_clobbered): Update.
(s390_register_info): Update.
(s390_frame_info): Update.
(s390_init_frame_layout): Update.
(s390_can_eliminate): Update.
(save_gprs): Update.
* config/spu/spu.c (spu_split_immediate): Update.
(need_to_save_reg): Update.
(spu_expand_prologue): Update.
(spu_expand_epilogue): Update.
* config/sparc/sparc.md: Update.
* config/sparc/sparc.c (eligible_for_return_delay): Update.
(sparc_tls_got): Update.
(legitimize_pic_address): Update.
(sparc_emit_call_insn): Update.
(sparc_expand_prologue): Update.
(output_return): Update.
(print_operand): Update.
(sparc_function_ok_for_sibcall): Update.
* config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
* config/m32r/m32r.md: Update.
* config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
(m32r_compute_frame_size): Update.
(m32r_expand_prologue): Update.
(m32r_expand_epilogue): Update.
(m32r_legitimize_pic_address): Update.
* config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
* config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
* config/i386/i386.c (ix86_frame_pointer_required): Update.
(gen_push): Update.
(ix86_save_reg): Update.
(ix86_compute_frame_layout): Update.
(ix86_expand_prologue): Update.
(ix86_expand_epilogue): Update.
* config/sh/sh.c (output_stack_adjust): Update.
(calc_live_regs): Update.
(sh5_schedule_saves): Update.
(sh_expand_prologue): Update.
(sh_expand_epilogue): Update.
(sh_setup_incoming_varargs): Update.
(sh_allocate_initial_value): Update.
(sh_get_pr_initial_val): Update.
* config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
* config/sh/sh.md (label:): Update.
* config/avr/avr.c (out_movhi_mr_r): Update.
* config/crx/crx.h (enum): Update.
* config/xtensa/xtensa.h (along): Update.
* config/stormy16/stormy16.c Update.
(xstormy16_compute_stack_layout): Update.
* config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
(fr30_expand_prologue): Update.
* config/cris/cris.c (cris_conditional_register_usage): Update.
(cris_reg_saved_in_regsave_area): Update.
(cris_initial_frame_pointer_offset): Update.
(cris_simple_epilogue): Update.
(cris_expand_prologue): Update.
(cris_expand_epilogue): Update.
(cris_expand_pic_call_address): Update.
(cris_asm_output_symbol_ref): Update.
(cris_asm_output_label_ref): Update.
* config/cris/cris.md Update.
* config/iq2000/iq2000.c (compute_frame_size): Update.
(iq2000_expand_epilogue): Update.
* config/mt/mt.h (save_direction): Update.
* config/mn10300/mn10300.c (mn10300_function_value): Update.
* config/ia64/ia64.c (ia64_compute_frame_size): Update.
(ia64_secondary_reload_class): Update.
* config/m68k/m68k.c (m68k_save_reg): Update.
(m68k_expand_prologue): Update.
(m68k_expand_epilogue): Update.
(legitimize_pic_address): Update.
* config/rs6000/rs6000.c (rs6000_got_register): Update.
(first_reg_to_save): Update.
(first_altivec_reg_to_save): Update.
(compute_vrsave_mask): Update.
(compute_save_world_info): Update.
(rs6000_stack_info): Update.
(spe_func_has_64bit_regs_p): Update.
(rs6000_ra_ever_killed): Update.
(rs6000_emit_eh_reg_restore): Update.
(rs6000_emit_allocate_stack): Update.
(rs6000_emit_prologue): Update.
(rs6000_emit_epilogue): Update.
(rs6000_output_function_epilogue): Update.
(output_profile_hook): Update.
(rs6000_elf_declare_function_name): Update.
* config/rs6000/rs6000.h (rs6000_args): Update.
* config/rs6000/rs6000.md: Update.
* config/mcore/mcore.c (mcore_expand_prolog): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
* config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
* config/darwin.c (machopic_function_base_name): Update.
* config/score/score3.c (score3_compute_frame_size): Update.
(rpush): Update.
(rpop): Update.
(score3_epilogue): Update.
* config/score/score7.c (score7_compute_frame_size): Update.
(score7_prologue): Update.
(score7_epilogue): Update.
* config/score/score.h (FRAME_POINTER_REQUIRED): Update.
* config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
* config/arm/arm.c (use_return_insn): Update.
(require_pic_register): Update.
(arm_load_pic_register): Update.
(arm_compute_save_reg0_reg12_mask): Update.
(arm_compute_save_reg_mask): Update.
(thumb1_compute_save_reg_mask): Update.
(output_return_instruction): Update.
(arm_output_function_prologue): Update.
(arm_output_epilogue): Update.
(arm_get_frame_offsets): Update.
(arm_expand_prologue): Update.
(thumb_pushpop): Update.
(thumb_exit): Update.
(thumb1_expand_prologue): Update.
(thumb1_expand_epilogue): Update.
(arm_unwind_emit): Update.
(arm_output_fn_unwind): Update.
* config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
* config/arm/arm.md: Update.
* config/pa/pa.md: Update.
* config/pa/pa.c (legitimize_pic_address): Update.
(compute_frame_size): Update.
(hppa_expand_prologue): Update.
(hppa_expand_epilogue): Update.
(borx_reg_operand): Update.
* config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
(HARD_REGNO_RENAME_OK): Update.
* config/mips/mips.c (mips_global_pointer): Update.
(mips_save_reg_p): Update.
(mips_compute_frame_info): Update.
(mips_frame_pointer_required): Update.
(mips_expand_prologue): Update.
(mips_expand_epilogue): Update.
(mips_can_use_return_insn): Update.
(mips_reorg_process_insns): Update.
* config/v850/v850.c (compute_register_save_size): Update.
* config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
* config/mmix/mmix.c (along): Update.
(mmix_expand_epilogue): Update.
* config/bfin/bfin.c (legitimize_pic_address): Update.
(must_save_p): Update.
(stack_frame_needed_p): Update.
(add_to_reg): Update.
(bfin_expand_prologue): Update.
* stmt.c (expand_asm_operands): Update.
* reload1.c (reload): Update.
(init_elim_table): Update.
From-SVN: r134682
2008-04-26 01:14:40 +02:00
|
|
|
struct rtl_opt_pass pass_expand =
|
2004-06-19 17:33:06 +02:00
|
|
|
{
|
re PR other/35094 (RTL dump file letters hosed and partly undocumented)
* gcc.dg/20050811-2.c: Update dumping flags.
* gcc.dg/sms-2.c: Update dumping flags.
* gcc.dg/var-expand1.c: Update dumping flags.
* gcc.dg/var-expand3.c: Update dumping flags.
* gcc.dg/pr30957-1.c: Update dumping flags.
* gcc.dg/20050811-1.c: Update dumping flags.
* gcc.dg/cpp/cmdlne-dI-M.C: Do not xfail.
* gcc.dg/cpp/cmdlne-dM-M.C: Do not xfail.
PR other/35094
* toplev.c (decode_d_option): Handle all CPP flags.
* tree-vrp.c: Update tree_pass descriptors.
* regrename.c: Update tree_pass descriptors.
* fwprop.c: Update tree_pass descriptors.
* doc/invoke.texi: Remove documentation of dropped -d? flags.
* tree-into-ssa.c: Update tree_pass descriptors.
* tree-dump.c: Update tree_pass descriptors.
* tree-complex.c: Update tree_pass descriptors.
* tree-dump.h: Update tree_pass descriptors.
* see.c: Update tree_pass descriptors.
* cgraphbuild.c: Update tree_pass descriptors.
* tracer.c: Update tree_pass descriptors.
* tree-loop-distribution.c: Update tree_pass descriptors.
* cgraph.c: Update tree_pass descriptors.
* postreload-gcse.c: Update tree_pass descriptors.
* postreload.c: Update tree_pass descriptors.
* tree-ssa-loop-ch.c: Update tree_pass descriptors.
* tree-tailcall.c: Update tree_pass descriptors.
* tree-pass.h (tree_opt_pass): Rename to ...
(opt_pass) ... this one; add "type" field and remove letter field.
(gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
(execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
all_lowering_passes): Update declaration.
* ipa-cp.c: Update tree_pass descriptors.
* final.c: Update tree_pass descriptors.
* omp-low.c: Update tree_pass descriptors.
* tree-ssa-dse.c: Update tree_pass descriptors.
* ipa-reference.c: Update tree_pass descriptors.
* tree-ssa-uncprop.c: Update tree_pass descriptors.
* auto-inc-dec.c: Update tree_pass descriptors.
* reorg.c: Update tree_pass descriptors.
* cgraphunit.c: Update tree_pass descriptors.
* tree-ssa-copyrename.c: Update tree_pass descriptors.
* tree-ssa-ccp.c: Update tree_pass descriptors.
* df-core.c: Update tree_pass descriptors.
* mode-switching.c: Update tree_pass descriptors.
* tree-nomudflap.c: Update tree_pass descriptors.
* modulo-sched.c: Update tree_pass descriptors.
* ipa-pure-const.c: Update tree_pass descriptors.
* cse.c: Update tree_pass descriptors.
* web.c: Update tree_pass descriptors.
* tree-stdarg.c: Update tree_pass descriptors.
* tree-ssa-math-opts.c: Update tree_pass descriptors.
* tree-ssa-dom.c: Update tree_pass descriptors.
* tree-nrv.c: Update tree_pass descriptors.
* tree-ssa-alias.c: Update tree_pass descriptors.
* loop-init.c: Update tree_pass descriptors.
* gimple-low.c: Update tree_pass descriptors.
* ipa-inline.c: Update tree_pass descriptors.
* tree-ssa-sink.c: Update tree_pass descriptors.
* global.c: Update tree_pass descriptors.
* ifcvt.c: Update tree_pass descriptors.
* jump.c: Update tree_pass descriptors.
* predict.c: Update tree_pass descriptors.
* tree-ssa-loop.c: Update tree_pass descriptors.
* recog.c: Update tree_pass descriptors.
* dse.c: Update tree_pass descriptors.
* tree-ssa-ifcombine.c: Update tree_pass descriptors.
* tree-eh.c: Update tree_pass descriptors.
* regmove.c: Update tree_pass descriptors.
* local-alloc.c
* function.c: Update tree_pass descriptors.
* tree-vectorizer.c: Update tree_pass descriptors.
* gcse.c: Update tree_pass descriptors.
* ipa-type-escape.c: Update tree_pass descriptors.
* tree-if-conv.c: Update tree_pass descriptors.
* init-regs.c: Update tree_pass descriptors.
* ipa.c: Update tree_pass descriptors.
* tree-ssa-phiopt.c: Update tree_pass descriptors.
* rtl-factoring.c: Update tree_pass descriptors.
* lower-subreg.c: Update tree_pass descriptors.
* bt-load.c: Update tree_pass descriptors.
* tree-dfa.c: Update tree_pass descriptors.
* except.c: Update tree_pass descriptors.
* emit-rtl.c: Update tree_pass descriptors.
* cfgexpand.c: Update tree_pass descriptors.
* tree-cfgcleanup.c: Update tree_pass descriptors.
* cfgcleanup.c: Update tree_pass descriptors.
* tree-ssa-pre.c: Update tree_pass descriptors.
* tree-sra.c: Update tree_pass descriptors.
* tree-mudflap.c: Update tree_pass descriptors.
* tree-ssa-copy.c: Update tree_pass descriptors.
* cfglayout.c: Update tree_pass descriptors.
* tree-ssa-forwprop.c: Update tree_pass descriptors.
* tree-ssa-dce.c: Update tree_pass descriptors.
* tree-ssa.c: Update tree_pass descriptors.
* regclass.c: Update tree_pass descriptors.
* integrate.c: Update tree_pass descriptors.
* tree-optimize.c: Update tree_pass descriptors.
* tree-ssa-phiprop.c: Update tree_pass descriptors.
* tree-object-size.c: Update tree_pass descriptors.
* combine.c: Update tree_pass descriptors.
* tree-outof-ssa.c: Update tree_pass descriptors.
* bb-reorder.c: Update tree_pass descriptors.
* stack-ptr-mod.c: Update tree_pass descriptors.
* var-tracking.c: Update tree_pass descriptors.
* tree-profile.c: Update tree_pass descriptors.
* tree-vect-generic.c: Update tree_pass descriptors.
* reg-stack.c: Update tree_pass descriptors.
* sched-rgn.c: Update tree_pass descriptors.
* tree-ssa-structalias.c: Update tree_pass descriptors.
* tree-cfg.c: Update tree_pass descriptors.
* passes.c (current_pass): Update declaration.
(finish_optimization_passes): Update.
(all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
(register_one_dump_file, register_dump_files_1, next_pass_1):
Update arguments.
(init_optimization_passes): Update handling of new types.
(execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
* ipa-struct-reorg.c: Update tree_pass descriptors.
* tree-ssa-reassoc.c: Update tree_pass descriptors.
* combine-stack-adj.c: Update tree_pass descriptors.
* cfgrtl.c: Update tree_pass descriptors.
* dce.c: Update tree_pass descriptors.
* tree-ssanames.c: Update tree_pass descriptors.
From-SVN: r133342
2008-03-19 12:22:40 +01:00
|
|
|
{
|
re PR testsuite/35843 (-fdump-rtl-expand does not exist anymore)
PR testsuite/35843
* cfgexpand.c (pass_expand): Turn into RTL pass.
* passes.c (execute_one_pass): Do pass typechecking after execution.
* tree-pass.h (pass_expand): Turn into RTL pass.
* function.h (struct rtl_data): Move here fields
accesses_prior_frames, calls_eh_return, saves_all_registers,
has_nonlocal_goto, has_asm_statement, is_thunk,
all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
arg_pointer_save_area_init from struct function; turn into bool.
(struct function): Move
calls_eh_return, saves_all_registers, has_nonlocal_goto,
has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
tail_call_emit, arg_pointer_save_area_init
into struct rtl_data. Remove recursive_call_emit and gimplified flags.
(current_function_returns_struct, current_function_returns_pcc_struct,
current_function_calls_setjmp, current_function_calls_alloca,
current_function_accesses_prior_frames,
current_function_calls_eh_return, current_function_is_thunk,
current_function_stdarg, current_function_profile,
current_function_limit_stack, current_function_uses_pic_offset_table,
current_function_uses_const_pool, current_function_has_nonlocal_label,
current_function_saves_all_registers,
current_function_has_nonlocal_goto,
current_function_has_asm_statement): Remove accesor macros.
* ra-conflict.c (global_conflicts): Update.
* tree-tailcall.c (suitable_for_tail_opt_p): Update.
(suitable_for_tail_call_opt_p): Update.
* builtins.c (expand_builtin_return_addr): Update.
(expand_builtin_setjmp_setup): Update.
(expand_builtin_nonlocal_goto): Update.
* final.c (final_start_function): Update.
(profile_function): Update.
(leaf_function_p): Update.
(only_leaf_regs_used): Update.
* df-scan.c (df_get_exit_block_use_set): Update.
* dojump.c (clear_pending_stack_adjust): Update.
* tree-stdarg.c (gate_optimize_stdarg): Update.
* gimple-low.c (lower_function_body): Update.
* global.c (compute_regsets): Update.
(global_alloc): Update.
* dwarf2out.c (dwarf2out_begin_prologue): Update.
* expr.c (expand_assignment): Update.
* dse.c (dse_step0): Update.
(dse_step1): Update.
* c-decl.c (store_parm_decls): Update.
* local-alloc.c (combine_regs): Update.
(find_free_reg): Update.
* function.c (assign_parms_augmented_arg_list): Update.
(assign_parm_find_data_types): Update.
(assign_parms): Update.
(allocate_struct_function): Update.
(expand_function_start): Update.
(expand_function_end): Update.
(get_arg_pointer_save_area): Update.
(thread_prologue_and_epilogue_insns): Update.
(rest_of_match_asm_constraints): Update.
* stor-layout.c (variable_size): Update.
* gcse.c (gcse_main): Update.
(bypass_jumps): Update.
* gimplify.c (gimplify_function_tree): Update.
* calls.c (emit_call_1): Update.
(expand_call): Update.
* bt-load.c (compute_defs_uses_and_gen): Update.
* except.c (sjlj_assign_call_site_values): Update.
(sjlj_emit_function_enter): Update.
(can_throw_external): Update.
(set_nothrow_function_flags): Update.
(expand_builtin_unwind_init): Update.
(expand_eh_return): Update.
(convert_to_eh_region_ranges): Update.
(output_function_exception_table): Update.
* emit-rtl.c (gen_tmp_stack_mem): Update.
* cfgexpand.c (expand_used_vars): Update.
(tree_expand_cfg): Update.
* cfgcleanup.c (rest_of_handle_jump): Update.
* explow.c (allocate_dynamic_stack_space): Update.
* varasm.c (assemble_start_function): Update.
(force_const_mem): Update.
(mark_constant_pool): Update.
* tree-optimize.c (tree_rest_of_compilation): Update.
* stack-ptr-mod.c (notice_stack_pointer_modification): Update.
* tree-cfg.c (notice_special_calls): Update.
(is_ctrl_altering_stmt): Update.
(tree_can_make_abnormal_goto): Update.
(tree_purge_dead_abnormal_call_edges): Update.
* config/alpha/predicates.md: Update.
* config/alpha/alpha.c (alpha_sa_mask): Update.
(alpha_sa_size): Update.
(alpha_does_function_need_gp): Update.
(alpha_expand_prologue): Update.
(alpha_start_function): Update.
(alpha_output_function_end_prologue): Update.
(alpha_expand_epilogue): Update.
* config/frv/frv.c (frv_stack_info): Update.
(frv_expand_epilogue): Update.
* config/s390/s390.c (s390_regs_ever_clobbered): Update.
(s390_register_info): Update.
(s390_frame_info): Update.
(s390_init_frame_layout): Update.
(s390_can_eliminate): Update.
(save_gprs): Update.
* config/spu/spu.c (spu_split_immediate): Update.
(need_to_save_reg): Update.
(spu_expand_prologue): Update.
(spu_expand_epilogue): Update.
* config/sparc/sparc.md: Update.
* config/sparc/sparc.c (eligible_for_return_delay): Update.
(sparc_tls_got): Update.
(legitimize_pic_address): Update.
(sparc_emit_call_insn): Update.
(sparc_expand_prologue): Update.
(output_return): Update.
(print_operand): Update.
(sparc_function_ok_for_sibcall): Update.
* config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
* config/m32r/m32r.md: Update.
* config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
(m32r_compute_frame_size): Update.
(m32r_expand_prologue): Update.
(m32r_expand_epilogue): Update.
(m32r_legitimize_pic_address): Update.
* config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
* config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
* config/i386/i386.c (ix86_frame_pointer_required): Update.
(gen_push): Update.
(ix86_save_reg): Update.
(ix86_compute_frame_layout): Update.
(ix86_expand_prologue): Update.
(ix86_expand_epilogue): Update.
* config/sh/sh.c (output_stack_adjust): Update.
(calc_live_regs): Update.
(sh5_schedule_saves): Update.
(sh_expand_prologue): Update.
(sh_expand_epilogue): Update.
(sh_setup_incoming_varargs): Update.
(sh_allocate_initial_value): Update.
(sh_get_pr_initial_val): Update.
* config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
* config/sh/sh.md (label:): Update.
* config/avr/avr.c (out_movhi_mr_r): Update.
* config/crx/crx.h (enum): Update.
* config/xtensa/xtensa.h (along): Update.
* config/stormy16/stormy16.c Update.
(xstormy16_compute_stack_layout): Update.
* config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
(fr30_expand_prologue): Update.
* config/cris/cris.c (cris_conditional_register_usage): Update.
(cris_reg_saved_in_regsave_area): Update.
(cris_initial_frame_pointer_offset): Update.
(cris_simple_epilogue): Update.
(cris_expand_prologue): Update.
(cris_expand_epilogue): Update.
(cris_expand_pic_call_address): Update.
(cris_asm_output_symbol_ref): Update.
(cris_asm_output_label_ref): Update.
* config/cris/cris.md Update.
* config/iq2000/iq2000.c (compute_frame_size): Update.
(iq2000_expand_epilogue): Update.
* config/mt/mt.h (save_direction): Update.
* config/mn10300/mn10300.c (mn10300_function_value): Update.
* config/ia64/ia64.c (ia64_compute_frame_size): Update.
(ia64_secondary_reload_class): Update.
* config/m68k/m68k.c (m68k_save_reg): Update.
(m68k_expand_prologue): Update.
(m68k_expand_epilogue): Update.
(legitimize_pic_address): Update.
* config/rs6000/rs6000.c (rs6000_got_register): Update.
(first_reg_to_save): Update.
(first_altivec_reg_to_save): Update.
(compute_vrsave_mask): Update.
(compute_save_world_info): Update.
(rs6000_stack_info): Update.
(spe_func_has_64bit_regs_p): Update.
(rs6000_ra_ever_killed): Update.
(rs6000_emit_eh_reg_restore): Update.
(rs6000_emit_allocate_stack): Update.
(rs6000_emit_prologue): Update.
(rs6000_emit_epilogue): Update.
(rs6000_output_function_epilogue): Update.
(output_profile_hook): Update.
(rs6000_elf_declare_function_name): Update.
* config/rs6000/rs6000.h (rs6000_args): Update.
* config/rs6000/rs6000.md: Update.
* config/mcore/mcore.c (mcore_expand_prolog): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
* config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
* config/darwin.c (machopic_function_base_name): Update.
* config/score/score3.c (score3_compute_frame_size): Update.
(rpush): Update.
(rpop): Update.
(score3_epilogue): Update.
* config/score/score7.c (score7_compute_frame_size): Update.
(score7_prologue): Update.
(score7_epilogue): Update.
* config/score/score.h (FRAME_POINTER_REQUIRED): Update.
* config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
* config/arm/arm.c (use_return_insn): Update.
(require_pic_register): Update.
(arm_load_pic_register): Update.
(arm_compute_save_reg0_reg12_mask): Update.
(arm_compute_save_reg_mask): Update.
(thumb1_compute_save_reg_mask): Update.
(output_return_instruction): Update.
(arm_output_function_prologue): Update.
(arm_output_epilogue): Update.
(arm_get_frame_offsets): Update.
(arm_expand_prologue): Update.
(thumb_pushpop): Update.
(thumb_exit): Update.
(thumb1_expand_prologue): Update.
(thumb1_expand_epilogue): Update.
(arm_unwind_emit): Update.
(arm_output_fn_unwind): Update.
* config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
* config/arm/arm.md: Update.
* config/pa/pa.md: Update.
* config/pa/pa.c (legitimize_pic_address): Update.
(compute_frame_size): Update.
(hppa_expand_prologue): Update.
(hppa_expand_epilogue): Update.
(borx_reg_operand): Update.
* config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
(HARD_REGNO_RENAME_OK): Update.
* config/mips/mips.c (mips_global_pointer): Update.
(mips_save_reg_p): Update.
(mips_compute_frame_info): Update.
(mips_frame_pointer_required): Update.
(mips_expand_prologue): Update.
(mips_expand_epilogue): Update.
(mips_can_use_return_insn): Update.
(mips_reorg_process_insns): Update.
* config/v850/v850.c (compute_register_save_size): Update.
* config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
* config/mmix/mmix.c (along): Update.
(mmix_expand_epilogue): Update.
* config/bfin/bfin.c (legitimize_pic_address): Update.
(must_save_p): Update.
(stack_frame_needed_p): Update.
(add_to_reg): Update.
(bfin_expand_prologue): Update.
* stmt.c (expand_asm_operands): Update.
* reload1.c (reload): Update.
(init_elim_table): Update.
From-SVN: r134682
2008-04-26 01:14:40 +02:00
|
|
|
RTL_PASS,
|
2006-05-19 00:16:23 +02:00
|
|
|
"expand", /* name */
|
2004-06-19 17:33:06 +02:00
|
|
|
NULL, /* gate */
|
2008-07-28 16:33:56 +02:00
|
|
|
gimple_expand_cfg, /* execute */
|
2004-06-19 17:33:06 +02:00
|
|
|
NULL, /* sub */
|
|
|
|
NULL, /* next */
|
|
|
|
0, /* static_pass_number */
|
2006-05-19 00:16:23 +02:00
|
|
|
TV_EXPAND, /* tv_id */
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
|
|
|
PROP_ssa | PROP_gimple_leh | PROP_cfg,/* properties_required */
|
2004-06-19 17:33:06 +02:00
|
|
|
PROP_rtl, /* properties_provided */
|
Expand from SSA.
gcc/
Expand from SSA.
* builtins.c (fold_builtin_next_arg): Handle SSA names.
* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
SSA names.
(compare_pairs): Swap cost comparison.
(coalesce_ssa_name): Don't use change_partition_var.
* tree-nrv.c (struct nrv_data): Add modified member.
(finalize_nrv_r): Set it.
(tree_nrv): Use it to update statements.
(pass_nrv): Require PROP_ssa.
* tree-mudflap.c (mf_decl_cache_locals,
mf_build_check_statement_for): Use make_rename_temp.
(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
* alias.c (find_base_decl): Handle SSA names.
* emit-rtl (set_reg_attrs_for_parm): Make non-static.
(component_ref_for_mem_expr): Don't leak SSA names into RTL.
* rtl.h (set_reg_attrs_for_parm): Declare.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
to "optimized", remove unused locals at finish.
(execute_free_datastructures): Make global, call
delete_tree_cfg_annotations.
(execute_free_cfg_annotations): Don't call
delete_tree_cfg_annotations.
* ssaexpand.h: New file.
* expr.c (toplevel): Include ssaexpand.h.
(expand_assignment): Handle SSA names the same as register
variables.
(expand_expr_real_1): Expand SSA names.
* cfgexpand.c (toplevel): Include ssaexpand.h.
(SA): New global variable.
(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
(SSAVAR): New macro.
(set_rtl): New helper function.
(add_stack_var): Deal with SSA names, use set_rtl.
(expand_one_stack_var_at): Likewise.
(expand_one_stack_var): Deal with SSA names.
(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
before unique numbers.
(expand_stack_vars): Use set_rtl.
(expand_one_var): Accept SSA names, add asserts for them, feed them
to above subroutines.
(expand_used_vars): Expand all partitions (without default defs),
then only the local decls (ignoring those expanded already).
(expand_gimple_cond): Remove edges when jumpif() expands an
unconditional jump.
(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
or remove abnormal edges. Ignore insns setting the LHS of a TERed
SSA name.
(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
members of SA; deal with PARM_DECL partitions here; expand
all PHI nodes, free tree datastructures and SA. Commit instructions
on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
info and statements at start, collect garbage at finish.
* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
(VAR_ANN_PARTITION) Remove.
(change_partition_var): Don't declare.
(partition_to_var): Always return SSA names.
(var_to_partition): Only accept SSA names.
(register_ssa_partition): Only check argument.
* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
member.
(delete_var_map): Don't free it.
(var_union): Only accept SSA names, simplify.
(partition_view_init): Mark only useful SSA names as used.
(partition_view_fini): Only deal with SSA names.
(change_partition_var): Remove.
(dump_var_map): Use ssa_name instead of partition_to_var member.
* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
basic blocks.
* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
(struct _elim_graph): New member const_dests; nodes member vector of
ints.
(set_location_for_edge): New static helper.
(create_temp): Remove.
(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
functions.
(new_elim_graph): Allocate const_dests member.
(clean_elim_graph): Truncate const_dests member.
(delete_elim_graph): Free const_dests member.
(elim_graph_size): Adapt to new type of nodes member.
(elim_graph_add_node): Likewise.
(eliminate_name): Likewise.
(eliminate_build): Don't take basic block argument, deal only with
partition numbers, not variables.
(get_temp_reg): New static helper.
(elim_create): Use it, deal with RTL temporaries instead of trees.
(eliminate_phi): Adjust all calls to new signature.
(assign_vars, replace_use_variable, replace_def_variable): Remove.
(rewrite_trees): Only do checking.
(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
contains_tree_r, MAX_STMTS_IN_LATCH,
process_single_block_loop_latch, analyze_edges_for_bb,
perform_edge_inserts): Remove.
(expand_phi_nodes): New global function.
(remove_ssa_form): Take ssaexpand parameter. Don't call removed
functions, initialize new parameter, remember partitions having a
default def.
(finish_out_of_ssa): New global function.
(rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
don't reset in_ssa_p here, don't disable TER when mudflap.
(pass_del_ssa): Remove.
* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
partition members.
(execute_free_datastructures): Declare.
* Makefile.in (SSAEXPAND_H): New variable.
(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
* basic-block.h (commit_one_edge_insertion): Declare.
* passes.c (init_optimization_passes): Move pass_nrv and
pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
(redirect_branch_edge): Deal with super block when expanding, split
out jump patching itself into ...
(patch_jump_insn): ... here, new static helper.
testsuite/
Expand from SSA.
* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
change regexps.
* gcc.target/i386/pr37248-1.c: Modified.
* gcc.target/i386/pr37248-3.c: Modified.
* gcc.target/i386/pr37248-2.c: Modified.
* gnat.dg/aliasing1.adb: Modified.
* gnat.dg/pack9.adb: Modified.
* gnat.dg/aliasing2.adb: Modified.
* gcc.dg/strict-overflow-2.c: Modified.
* gcc.dg/autopar/reduc-1char.c: Modified.
* gcc.dg/autopar/reduc-2char.c: Modified.
* gcc.dg/autopar/reduc-1.c: Modified.
* gcc.dg/autopar/reduc-2.c: Modified.
* gcc.dg/autopar/reduc-3.c: Modified.
* gcc.dg/autopar/reduc-6.c: Modified.
* gcc.dg/autopar/reduc-7.c: Modified.
* gcc.dg/autopar/reduc-8.c: Modified.
* gcc.dg/autopar/reduc-9.c: Modified.
* gcc.dg/autopar/reduc-1short.c: Modified.
* gcc.dg/autopar/reduc-2short.c: Modified.
* gcc.dg/autopar/parallelization-1.c: Modified.
* gcc.dg/strict-overflow-4.c: Modified.
* gcc.dg/strict-overflow-6.c: Modified.
* gcc.dg/gomp/combined-1.c: Modified.
* gcc.dg/no-strict-overflow-1.c: Modified.
* gcc.dg/no-strict-overflow-3.c: Modified.
* gcc.dg/no-strict-overflow-5.c: Modified.
* gcc.dg/tree-ssa/reassoc-13.c: Modified.
* gcc.dg/tree-ssa/pr18134.c: Modified.
* gcc.dg/tree-ssa/20030824-1.c: Modified.
* gcc.dg/tree-ssa/vector-2.c: Modified.
* gcc.dg/tree-ssa/forwprop-9.c: Modified.
* gcc.dg/tree-ssa/loop-21.c: Modified.
* gcc.dg/tree-ssa/20030824-2.c: Modified.
* gcc.dg/tree-ssa/vector-3.c: Modified.
* gcc.dg/tree-ssa/asm-3.c: Modified.
* gcc.dg/tree-ssa/pr23294.c: Modified.
* gcc.dg/tree-ssa/loop-22.c: Modified.
* gcc.dg/tree-ssa/loop-15.c: Modified.
* gcc.dg/tree-ssa/prefetch-4.c: Modified.
* gcc.dg/tree-ssa/pr22051-1.c: Modified.
* gcc.dg/tree-ssa/pr20139.c: Modified.
* gcc.dg/tree-ssa/scev-cast.c: Modified.
* gcc.dg/tree-ssa/pr22051-2.c: Modified.
* gcc.dg/tree-ssa/reassoc-1.c: Modified.
* gcc.dg/tree-ssa/loop-5.c: Modified.
* gcc.dg/tree-ssa/pr19431.c: Modified.
* gcc.dg/tree-ssa/pr32044.c: Modified.
* gcc.dg/tree-ssa/prefetch-7.c: Modified.
* gcc.dg/tree-ssa/loop-19.c: Modified.
* gcc.dg/tree-ssa/loop-28.c: Modified.
* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
* gcc.dg/tree-ssa/divide-1.c: Modified.
* gcc.dg/tree-ssa/inline-1.c: Modified.
* gcc.dg/tree-ssa/divide-3.c: Modified.
* gcc.dg/tree-ssa/pr30978.c: Modified.
* gcc.dg/tree-ssa/alias-6.c: Modified.
* gcc.dg/tree-ssa/divide-4.c: Modified.
* gcc.dg/tree-ssa/alias-11.c: Modified.
* gcc.dg/no-strict-overflow-7.c: Modified.
* gcc.dg/strict-overflow-1.c: Modified.
* gcc.dg/pr15784-4.c: Modified.
* gcc.dg/pr34263.c: Modified.
* gcc.dg/strict-overflow-3.c: Modified.
* gcc.dg/tree-prof/stringop-1.c: Modified.
* gcc.dg/tree-prof/val-prof-1.c: Modified.
* gcc.dg/tree-prof/val-prof-2.c: Modified.
* gcc.dg/tree-prof/val-prof-3.c: Modified.
* gcc.dg/tree-prof/val-prof-4.c: Modified.
* gcc.dg/no-strict-overflow-2.c: Modified.
* gcc.dg/no-strict-overflow-4.c: Modified.
* gcc.dg/no-strict-overflow-6.c: Modified.
* g++.dg/tree-ssa/pr27090.C: Modified.
* g++.dg/tree-ssa/tmmti-2.C: Modified.
* g++.dg/tree-ssa/ptrmemfield.C: Modified.
* g++.dg/tree-ssa/pr19807.C: Modified.
* g++.dg/opt/pr30965.C: Modified.
* g++.dg/init/new17.C: Modified.
* gfortran.dg/whole_file_6.f90: Modified.
* gfortran.dg/whole_file_5.f90: Modified.
* gfortran.dg/reassoc_1.f90: Modified.
* gfortran.dg/reassoc_3.f90: Modified.
From-SVN: r146817
2009-04-26 21:35:04 +02:00
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PROP_ssa | PROP_trees, /* properties_destroyed */
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TODO_verify_ssa | TODO_verify_flow
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| TODO_verify_stmts, /* todo_flags_start */
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TODO_dump_func
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| TODO_ggc_collect /* todo_flags_finish */
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re PR other/35094 (RTL dump file letters hosed and partly undocumented)
* gcc.dg/20050811-2.c: Update dumping flags.
* gcc.dg/sms-2.c: Update dumping flags.
* gcc.dg/var-expand1.c: Update dumping flags.
* gcc.dg/var-expand3.c: Update dumping flags.
* gcc.dg/pr30957-1.c: Update dumping flags.
* gcc.dg/20050811-1.c: Update dumping flags.
* gcc.dg/cpp/cmdlne-dI-M.C: Do not xfail.
* gcc.dg/cpp/cmdlne-dM-M.C: Do not xfail.
PR other/35094
* toplev.c (decode_d_option): Handle all CPP flags.
* tree-vrp.c: Update tree_pass descriptors.
* regrename.c: Update tree_pass descriptors.
* fwprop.c: Update tree_pass descriptors.
* doc/invoke.texi: Remove documentation of dropped -d? flags.
* tree-into-ssa.c: Update tree_pass descriptors.
* tree-dump.c: Update tree_pass descriptors.
* tree-complex.c: Update tree_pass descriptors.
* tree-dump.h: Update tree_pass descriptors.
* see.c: Update tree_pass descriptors.
* cgraphbuild.c: Update tree_pass descriptors.
* tracer.c: Update tree_pass descriptors.
* tree-loop-distribution.c: Update tree_pass descriptors.
* cgraph.c: Update tree_pass descriptors.
* postreload-gcse.c: Update tree_pass descriptors.
* postreload.c: Update tree_pass descriptors.
* tree-ssa-loop-ch.c: Update tree_pass descriptors.
* tree-tailcall.c: Update tree_pass descriptors.
* tree-pass.h (tree_opt_pass): Rename to ...
(opt_pass) ... this one; add "type" field and remove letter field.
(gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
(execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
all_lowering_passes): Update declaration.
* ipa-cp.c: Update tree_pass descriptors.
* final.c: Update tree_pass descriptors.
* omp-low.c: Update tree_pass descriptors.
* tree-ssa-dse.c: Update tree_pass descriptors.
* ipa-reference.c: Update tree_pass descriptors.
* tree-ssa-uncprop.c: Update tree_pass descriptors.
* auto-inc-dec.c: Update tree_pass descriptors.
* reorg.c: Update tree_pass descriptors.
* cgraphunit.c: Update tree_pass descriptors.
* tree-ssa-copyrename.c: Update tree_pass descriptors.
* tree-ssa-ccp.c: Update tree_pass descriptors.
* df-core.c: Update tree_pass descriptors.
* mode-switching.c: Update tree_pass descriptors.
* tree-nomudflap.c: Update tree_pass descriptors.
* modulo-sched.c: Update tree_pass descriptors.
* ipa-pure-const.c: Update tree_pass descriptors.
* cse.c: Update tree_pass descriptors.
* web.c: Update tree_pass descriptors.
* tree-stdarg.c: Update tree_pass descriptors.
* tree-ssa-math-opts.c: Update tree_pass descriptors.
* tree-ssa-dom.c: Update tree_pass descriptors.
* tree-nrv.c: Update tree_pass descriptors.
* tree-ssa-alias.c: Update tree_pass descriptors.
* loop-init.c: Update tree_pass descriptors.
* gimple-low.c: Update tree_pass descriptors.
* ipa-inline.c: Update tree_pass descriptors.
* tree-ssa-sink.c: Update tree_pass descriptors.
* global.c: Update tree_pass descriptors.
* ifcvt.c: Update tree_pass descriptors.
* jump.c: Update tree_pass descriptors.
* predict.c: Update tree_pass descriptors.
* tree-ssa-loop.c: Update tree_pass descriptors.
* recog.c: Update tree_pass descriptors.
* dse.c: Update tree_pass descriptors.
* tree-ssa-ifcombine.c: Update tree_pass descriptors.
* tree-eh.c: Update tree_pass descriptors.
* regmove.c: Update tree_pass descriptors.
* local-alloc.c
* function.c: Update tree_pass descriptors.
* tree-vectorizer.c: Update tree_pass descriptors.
* gcse.c: Update tree_pass descriptors.
* ipa-type-escape.c: Update tree_pass descriptors.
* tree-if-conv.c: Update tree_pass descriptors.
* init-regs.c: Update tree_pass descriptors.
* ipa.c: Update tree_pass descriptors.
* tree-ssa-phiopt.c: Update tree_pass descriptors.
* rtl-factoring.c: Update tree_pass descriptors.
* lower-subreg.c: Update tree_pass descriptors.
* bt-load.c: Update tree_pass descriptors.
* tree-dfa.c: Update tree_pass descriptors.
* except.c: Update tree_pass descriptors.
* emit-rtl.c: Update tree_pass descriptors.
* cfgexpand.c: Update tree_pass descriptors.
* tree-cfgcleanup.c: Update tree_pass descriptors.
* cfgcleanup.c: Update tree_pass descriptors.
* tree-ssa-pre.c: Update tree_pass descriptors.
* tree-sra.c: Update tree_pass descriptors.
* tree-mudflap.c: Update tree_pass descriptors.
* tree-ssa-copy.c: Update tree_pass descriptors.
* cfglayout.c: Update tree_pass descriptors.
* tree-ssa-forwprop.c: Update tree_pass descriptors.
* tree-ssa-dce.c: Update tree_pass descriptors.
* tree-ssa.c: Update tree_pass descriptors.
* regclass.c: Update tree_pass descriptors.
* integrate.c: Update tree_pass descriptors.
* tree-optimize.c: Update tree_pass descriptors.
* tree-ssa-phiprop.c: Update tree_pass descriptors.
* tree-object-size.c: Update tree_pass descriptors.
* combine.c: Update tree_pass descriptors.
* tree-outof-ssa.c: Update tree_pass descriptors.
* bb-reorder.c: Update tree_pass descriptors.
* stack-ptr-mod.c: Update tree_pass descriptors.
* var-tracking.c: Update tree_pass descriptors.
* tree-profile.c: Update tree_pass descriptors.
* tree-vect-generic.c: Update tree_pass descriptors.
* reg-stack.c: Update tree_pass descriptors.
* sched-rgn.c: Update tree_pass descriptors.
* tree-ssa-structalias.c: Update tree_pass descriptors.
* tree-cfg.c: Update tree_pass descriptors.
* passes.c (current_pass): Update declaration.
(finish_optimization_passes): Update.
(all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
(register_one_dump_file, register_dump_files_1, next_pass_1):
Update arguments.
(init_optimization_passes): Update handling of new types.
(execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
* ipa-struct-reorg.c: Update tree_pass descriptors.
* tree-ssa-reassoc.c: Update tree_pass descriptors.
* combine-stack-adj.c: Update tree_pass descriptors.
* cfgrtl.c: Update tree_pass descriptors.
* dce.c: Update tree_pass descriptors.
* tree-ssanames.c: Update tree_pass descriptors.
From-SVN: r133342
2008-03-19 12:22:40 +01:00
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|
}
|
2004-06-19 17:33:06 +02:00
|
|
|
};
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