loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
/* Rtl-level induction variable analysis.
|
2015-01-05 13:33:28 +01:00
|
|
|
Copyright (C) 2004-2015 Free Software Foundation, Inc.
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
This file is part of GCC.
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
GCC is free software; you can redistribute it and/or modify it
|
|
|
|
under the terms of the GNU General Public License as published by the
|
2007-07-26 10:37:01 +02:00
|
|
|
Free Software Foundation; either version 3, or (at your option) any
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
later version.
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT
|
|
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
|
for more details.
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
You should have received a copy of the GNU General Public License
|
2007-07-26 10:37:01 +02:00
|
|
|
along with GCC; see the file COPYING3. If not see
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* This is a simple analysis of induction variables of the loop. The major use
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|
|
is for determining the number of iterations of a loop for loop unrolling,
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|
doloop optimization and branch prediction. The iv information is computed
|
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|
|
on demand.
|
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|
|
|
2008-01-20 02:48:25 +01:00
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Induction variables are analyzed by walking the use-def chains. When
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a basic induction variable (biv) is found, it is cached in the bivs
|
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hash table. When register is proved to be a biv, its description
|
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|
is stored to DF_REF_DATA of the def reference.
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
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The analysis works always with one loop -- you must call
|
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iv_analysis_loop_init (loop) for it. All the other functions then work with
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this loop. When you need to work with another loop, just call
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iv_analysis_loop_init for it. When you no longer need iv analysis, call
|
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iv_analysis_done () to clean up the memory.
|
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|
|
|
|
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|
The available functions are:
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
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iv_analyze (insn, reg, iv): Stores the description of the induction variable
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corresponding to the use of register REG in INSN to IV. Returns true if
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REG is an induction variable in INSN. false otherwise.
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If use of REG is not found in INSN, following insns are scanned (so that
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we may call this function on insn returned by get_condition).
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iv_analyze_result (insn, def, iv): Stores to IV the description of the iv
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corresponding to DEF, which is a register defined in INSN.
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iv_analyze_expr (insn, rhs, mode, iv): Stores to IV the description of iv
|
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corresponding to expression EXPR evaluated at INSN. All registers used bu
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EXPR must also be used in INSN.
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2007-06-11 20:02:15 +02:00
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*/
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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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 "rtl.h"
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#include "hard-reg-set.h"
|
bitmap.h (struct bitmap_obstack): New obstack type.
* bitmap.h (struct bitmap_obstack): New obstack type.
(struct bitmap_head_def): Replace using_obstack with obstack
pointer.
(bitmap_default_obstack): New.
(bitmap_initialize): Make inline, does not do allocation.
(bitmap_release_memory): Remove.
(bitmap_obstack_initialize, bitmap_obstack_release): Declare.
(bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
bitmap_obstack_free, bitmap_malloc_free): Declare.
(BITMAP_OBSTACK_ALLOC, BITMAP_GGC_ALLOC, BITMAP_XMALLOC): Adjust.
(BITMAP_FREE): Replace with ...
(BITMAP_OBSTACK_FREE): ... this.
(BITMAP_XFREE): Adjust.
(BITMAP_INIT_ONCE): Remove.
* bitmap.c (bitmap_obstack, bitmap_obstack_init, bitmap_free: Remove.
(bitmap_default_obstack): New.
(bitmap_elem_to_freelist): Adjust.
(bitmap_element_allocate): Adjust. Break initialization into ...
(bitmap_obstack_initialize): ... here.
(bitmap_release_memory): Replace with ...
(bitmap_obstack_release): ... this.
(bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
bitmap_obstack_free, bitmap_malloc_free): New.
(bitmap_ior_and_compl, bitmap_ior_and_compl_into): Use
bitmap_initialize.
(bitmap_initialize): Move to bitmap.h.
* gengtype.c (open_base_files): Add obstack.h to ifiles.
* Makefile.in (BASIC_BLOCK_H, REGS_H): Add obstack.h.
* basic-block.h (INIT_REG_SET): Allocate from reg_obstack.
(INITIALIZE_REG_SET): Remove.
(FREE_REG_SET): Use BITMAP_OBSTACK_FREE.
(INIT_ONCE_REG_SET, MAX_REGNO_REG_SET): Remove.
(flow_obstack): Do not declare.
(reg_obstack): Declare.
* regs.h: Include obstack.h.
* tree-optimize.c (tree_rest_of_compilation): Initialize and
release bitmap obstack here.
* bb-reorder.c: #include regs, not basic-block.
(fix_crossing_conditional_branches): Allocate regsets from
reg_obstack.
* bt-load.c: Do not inlude bitmap.h, sbitmap.h, basic-block.h or
obstack.h.
* caller-save.c: Include regs.h earlier.
* cfg.c: Do not include basic-block.h or obstack.h.
(reg_obstack): Define.
* cfganal.c: Include obstack.h
* cfgcleanyp.c: Do not include basic-block.h. Include regs.h
earlier.
* cfglayout.c: Do not include obstack.h.
(flow_obstack): Remove declaration.
(cfg_layout_duplicate_bb): Use reg_obstack.
* cfgloop.c, cfgloopanal.c, cfgloopmanip.c: Include obstack.h.
* cfgrtl.c (rtl_split_block): Use reg_obstack.
(force_nonfallthru_and_redirect, rtl_split_edge): Likewise.
(safe_insert_insn_on_edge): Use OBSTACK_ALLOC_REG_SET, adjust.
(cfg_layout_split_edge): Use reg_obstack.
* cse.c: Include regs.h earlier.
* ddg.c: Do not include basic-block.h.
* dominance.c: Inlude obstack.h.
* flow.c (update_life_info): Use OBSTACK_ALLOC_REG_SET, adjust.
(calculate_global_regs_live): Likewise.
(allocate_bb_life_data): Use reg_obstack.
(init_propagate_block_info): Use OBSTACK_ALLOC_REGSET.
* global.c: Do not include basic-block.h.
(build_insn_chain): Use OBSTACK_ALLOC_REG_SET, adjust.
* graph.c: Include obstack.h.
* haifa-sched.c: Do not include basic-block.h.
* ifcvt.c: Use OBSTACK_ALLOC_REG_SET, adjust.
* local-alloc.c: Do not include basic-block.h.
* loop-init.c, loop-invariant.c: Include obstack.h.
* loop-iv.c: Likewise.
(simplify_using_initial_values): Use OBSTACK_ALLOC_REG_SET,
adjust.
* loop-unroll.c, loop-unswitch.c: Inlude obstack.h.
* modulo-sched.c: Do not include basic-block.h.
* passes.c (rest_of_handle_final): Do not call
regset_release_memory.
* ra-debug.c: Include regs.h earlier. Do not include
basic-block.h.
* recog.c (peephole2_optimize): Use OBSTACK_ALLOC_REG_SET, adjust.
* regclass.c (init_reg_sets): Do not call INIT_ONCE_REG_SET.
(allocate_reg_info): Do not call MAX_REGNO_REG_SET.
(regset_release_memory): Remove.
* resource.c: Do not include basic-block.h.
* rtlanal.c: Do not include basic-block.h.
* sbitmap.c: Include obstack.h.
* sched-deps.c: Do not include basic-block.h.
(reg_pending_sets_head, reg_pending_clobbers_head,
reg_pending_uses_head): Remove.
(init_deps_global): Use OBSTACK_ALLOC_REG_SET.
* sched-ebb.c: Do not include basic-block.h.
* sched-rgn.c: Likewise.
* tree-if-conv.c (get_loop_body_in_if_conv_order): Use
BITMAP_XFREE.
* tree-outof-ssa.c (perform_edge_inserts): Use BITMAP_XFREE.
* tree-sra.c (decide_instantiations): Adjust bitmap
initialization.
* tree-ssa-dce.c: Include obstack.h.
* tree-ssa-pre.c (grand_bitmap_obstack): Make a bitmap_obstack.
(value_insert_into_set_bitmap): Remove useless bitmap_clear.
(bitmap_set_new): Likewise.
(init_pre): Initialize bitmap obstack.
(fini_pre): Release bitmap obstack.
* tree-ssanames.c (ssa_names_to_rewrite): Make static.
(marked_for_rewrite_p): ssa_names_to_rewrite is never NULL.
(mark_for_rewrite, unmark_for_rewrite): Likewise.
(marked_ssa_names): Likewise.
(init_ssanames): Use BITMAP_XMALLOC.
(fini_ssanames): Use BITMAP_XFREE.
* web.c: Include obstack.h
From-SVN: r91009
2004-11-22 13:23:59 +01:00
|
|
|
#include "obstack.h"
|
2014-10-27 13:41:01 +01:00
|
|
|
#include "predict.h"
|
|
|
|
#include "vec.h"
|
|
|
|
#include "hashtab.h"
|
|
|
|
#include "hash-set.h"
|
|
|
|
#include "machmode.h"
|
|
|
|
#include "input.h"
|
|
|
|
#include "function.h"
|
|
|
|
#include "dominance.h"
|
|
|
|
#include "cfg.h"
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
#include "basic-block.h"
|
|
|
|
#include "cfgloop.h"
|
genattrtab.c (write_header): Include hash-set.h...
2015-01-09 Michael Collison <michael.collison@linaro.org>
* genattrtab.c (write_header): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-attrtab.c.
* genautomata.c (main) : Include hash-set.h, macInclude hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-automata.c.
* genemit.c (main): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-emit.c.
* gengtype.c (open_base_files): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
gtype-desc.c.
* genopinit.c (main): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-opinit.c.
* genoutput.c (output_prologue): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-output.c.
* genpeep.c (main): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-peep.c.
* genpreds.c (write_insn_preds_c): Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
insn-preds.c.
* optc-save-gen-awk: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h when generating
options-save.c.
* opth-gen.awk: Change include guard from GCC_C_COMMON_H to GCC_C_COMMON_C
when generating options.h.
* ada/gcc-interface/cuintp.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h,
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* ada/gcc-interface/decl.c: ditto.
* ada/gcc-interface/misc.c: ditto.
* ada/gcc-interface/targtyps.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h,
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* ada/gcc-interface/trans.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, real.h,
fold-const.h, wide-int.h, inchash.h due to
flattening of tree.h.
* ada/gcc-interface/utils.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h,
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* ada/gcc-interface/utils2.c: ditto.
* alias.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* asan.c: ditto.
* attribs.c: ditto.
* auto-inc-dec.c: ditto.
* auto-profile.c: ditto
* bb-reorder.c: ditto.
* bt-load.c: Include symtab.h due to flattening of tree.h.
* builtins.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* c/c-array-notation.c: ditto.
* c/c-aux-info.c: ditto.
* c/c-convert.c: ditto.
* c/c-decl.c: ditto.
* c/c-errors.c: ditto.
* c/c-lang.c: dittoxs.
* c/c-objc-common.c: ditto.
* c/c-parser.c: ditto.
* c/c-typeck.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, inchash.h, real.h and
fixed-value.h due to flattening of tree.h.
* calls.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* ccmp.c: ditto.
* c-family/array-notation-common.c: ditto.
* c-family/c-ada-spec.c: ditto.
* c-family/c-cilkplus.c: ditto.
* c-family/c-common.c: Include input.h due to flattening of tree.h.
Define macro GCC_C_COMMON_C.
* c-family/c-common.h: Flatten tree.h header files into c-common.h.
Remove include of tree-core.h.
* c-family/c-cppbuiltin.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* c-family/c-dump.c: ditto.
* c-family/c-format.c: Flatten tree.h header files into c-common.h.
* c-family/c-cppbuiltin.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* c-family/c-dump.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* c-family/c-format.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, inchash.h and real.h due to
flattening of tree.h.
* c-family/c-gimplify.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* c-family/cilk.c: ditto.
* c-family/c-lex.c: ditto.
* c-family/c-omp.c: ditto.
* c-family/c-opts.c: ditto.
* c-family/c-pch.c: ditto.
* c-family/c-ppoutput.c: ditto.
* c-family/c-pragma.c: ditto.
* c-family/c-pretty-print.c: ditto.
* c-family/c-semantics.c: ditto.
* c-family/c-ubsan.c: ditto.
* c-family/stub-objc.c: ditto.
* cfgbuild.c: ditto.
* cfg.c: ditto.
* cfgcleanup.c: ditto.
* cfgexpand.c: ditto.
* cfghooks.c: ditto.
* cfgloop.c: Include symtab.h, fold-const.h, and
inchash.h due to flattening of tree.h.
* cfgloopmanip.c: ditto.
* cfgrtl.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* cgraphbuild.c: ditto.
* cgraph.c: ditto.
* cgraphclones.c: ditto.
* cgraphunit.c: ditto.
* cilk-common.c: ditto.
* combine.c: ditto.
* combine-stack-adj.c: Include symbol.h due to flattening of tree.h.
* config/aarch64/aarch64-builtins.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/aarch64/aarch64.c: ditto.
* config/alpha/alpha.c: ditto.
* config/arc/arc.c: ditto.
* config/arm/aarch-common.c: ditto.
* config/arm/arm-builtins.c: ditto.
* config/arm/arm.c: ditto.
* config/arm/arm-c.c: ditto.
* config/avr/avr.c: ditto.
* config/avr/avr-c.c: ditto.
* config/avr/avr-log.c: ditto.
* config/bfin/bfin.c: ditto.
* config/c6x/c6x.c: ditto.
* config/cr16/cr16.c: ditto.
* config/cris/cris.c: ditto.
* config/darwin.c: ditto.
* config/darwin-c.c: ditto.
* config/default-c.c: ditto.
* config/epiphany/epiphany.c: ditto.
* config/fr30/fr30.c: ditto.
* config/frv/frv.c: ditto.
* config/glibc-c.c: ditto.
* config/h8300/h8300.c: ditto.
* config/i386/i386.c: ditto.
* config/i386/i386-c.c: ditto.
* config/i386/msformat.c: ditto.
* config/i386/winnt.c: ditto.
* config/i386/winnt-cxx.c: ditto.
* config/i386/winnt-stubs.c: ditto.
* config/ia64/ia64.c: ditto.
* config/ia64/ia64-c.c: ditto.
* config/iq2000/iq2000.c: ditto.
* config/lm32/lm32.c: Include symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* config/m32c/m32c.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/m32c/m32c-pragma.c: ditto.
* config/m32c/m32cr.c: ditto.
* config/m68/m68k.c: ditto.
* config/mcore/mcore.c: ditto.
* config/mep/mep.c: ditto.
* config/mep/mep-pragma.c: ditto.
* config/microblaze/microblaze.c: ditto.
* config/microblaze/microblaze-c.c: ditto.
* config/mips/mips.c: ditto.
* config/mmix/mmix.c: Include symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* config/mn10300/mn10300.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/moxie/moxie.c: ditto.
* config/msp430/msp430.c: ditto.
* config/msp430/msp430-c.c: ditto.
* config/nds32/nds32.c: ditto.
* config/nds32/nds32-cost.c: ditto.
* config/nds32/nds32-fp-as-gp.c: ditto.
* config/nds32/nds32-intrinsic.c: ditto.
* config/nds32/nds32-isr.c: ditto.
* config/nds32/nds32-md-auxillary.c: ditto.
* config/nds32/nds32-memory-manipulationx.c: ditto.
* config/nds32/nds32-pipelines-auxillary.c: ditto.
* config/nds32/nds32-predicates.c: ditto.
* config/nios2/nios2.c: ditto.
* config/nvptx/nvptx.c: ditto.
* config/pa/pa.c: ditto.
* config/pdp11/pdp11x.c: Include symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* config/rl78/rl78.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/rl78/rl78-cx.c: ditto.
* config/rs6000/rs6000.c: ditto.
* config/rs6000/rs6000-c.c: ditto.
* config/rx/rx.c: ditto.
* config/s390/s390.c: ditto.
* config/sh/sh.c: ditto.
* config/sh/sc.c: ditto.
* config/sh/sh-mem.cc: ditto.
* config/sh/sh_treg_combine.cc: Include symtab.h, inchash.h and tree.h
due to flattening of tree.h.
Remove include of tree-core.h.
* config/sol2.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/sol2-c.c: ditto.
* config/sol2-cxx.c: ditto.
* config/sol2-stubs.c: ditto.
* config/sparc/sparc.c: ditto.
* config/sparc/sparc-cx.c: ditto.
* config/spu/spu.c: ditto.
* config/spu/spu-c.c: ditto
* config/storym16/stormy16.c: ditto.
* config/tilegx/tilegx.c: Include symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* config/tilepro/gen-mul-tables.cc: Include symtab.h in generated file.
* config/tilegx/tilegx-c.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/tilepro/tilepro.c: Include symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* config/tilepro/tilepro-c.c: Include hash-set.h, machmode.h,
vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
fold-const.h, wide-int.h, and inchash.h due to
flattening of tree.h.
* config/v850/v850.c: ditto.
* config/v850/v850-c.c: ditto.
* config/vax/vax.c: ditto.
* config/vms/vms.c: ditto.
* config/vms/vms-c.c: ditto.
* config/vxworks.c: ditto.
* config/winnt-c.c: ditto.
* config/xtensa/xtensa.c: Include symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* convert.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* coverage.c: ditto.
* cp/call.c: ditto.
* cp/class.c: ditto.
* cp/constexpr.c: ditto.
* cp/cp-array-notation.c: ditto.
* cp/cp-gimplify.c: ditto.
* cp/cp-lang.c: ditto.
* cp/cp-objcp-common.c: ditto.
* cp/cvt.c: ditto.
* cp/decl2.c: ditto.
* cp/decl.c: ditto.
* cp/dump.c: ditto.
* cp/error.c: ditto.
* cp/except.c: ditto.
* cp/expr.c: ditto.
* cp/friend.c: ditto.
* cp/init.c: ditto.
* cp/lambda.c: ditto.
* cp/lex.c: ditto.
* cp/mangle.c: ditto.
* cp/name-lookup.c: ditto.
* cp/optimize.c: ditto.
* cp/parser.c: ditto.
* cp/pt.c: ditto.
* cp/ptree.c: ditto.
* cp/repo.c: ditto.
* cp/rtti.c: ditto.
* cp/search.c: ditto.
* cp/semantics.c: ditto.
* cp/tree.c: ditto.
* cp/typeck2.c: ditto.
* cp/typeck.c: ditto.
* cppbuiltin.c: ditto.
* cprop.c: ditto.
* cse.c: Add include of symtab.h due to flattening of tree.h.
* cselib.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* data-streamer.c: ditto.
* data-streamer-in.c: ditto.
* data-streamer-out.c: ditto.
* dbxout.c: ditto.
* dce.c: ditto.
* ddg.c: Add include of symtab.h due to flattening of tree.h.
* debug.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* dfp.c: ditto.
* df-scan.c: ditto.
* dojump.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, inchash.h and real.h due to flattening of tree.h.
* double-int.c: ditto.
* dse.c: ditto.
* dumpfile.c: ditto.
* dwarf2asm.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, inchash.h and real.h due to flattening of tree.h.
* dwarf2cfi.c: ditto.
* dwarf2out.c: ditto.
* emit-rtl.c: ditto.
* except.c: ditto.
* explow.c: ditto.
* expmed.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* expr.c: ditto.
* final.c: ditto.
* fixed-value.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, inchash.h and fixed-value.h due to flattening of tree.h.
* fold-const.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
Relocate inline function convert_to_ptrofftype_loc from tree.h.
Relocate inline function fold_build_pointer_plus_loc from tree.h.
Relocate inline function fold_build_pointer_plus_hwi_loc from tree.h.
* fold-const.h: Relocate macro convert_to_ptrofftype from tree.h.
Relocate macro fold_build_pointer_plus to relocate from tree.h.h.
Relocate macro fold_build_pointer_plus_hwi from tree.h.
Add prototype for convert_to_ptrofftype_loc relocated from tree.h.
Add prototype for fold_build_pointer_plus_loc relocated from tree.h.
Add prototype for fold_build_pointer_plus_hwi_loc relocated from tree.h.
* fortran/convert.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/cpp.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/decl.c: ditto.
* fortran/f95.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/iresolve.c: ditto.
* fortran/match.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/module.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/options.c: ditto.
* fortran/target-memory.c: Include hash-set.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/trans-array.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/trans.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/trans-common.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/trans-const.c: ditto.
* fortran/trans-decl.c: ditto.
* fortran/trans-expr.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/trans-intrinsic.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, inchash.h and real.h due to flattening of tree.h.
* fortran/trans-io.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* fortran/trans-openmp.c: ditto.
* fortran/trans-stmt.c: ditto.
* fortran/trans-types.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, inchash.h and real.h due to flattening of tree.h.
* function.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* gcc-plugin.h: Include statistics.h, double-int.h, real.h, fixed-value.h,
alias.h, flags.h, and symtab.h due to flattening of tree.h
* gcse.c: ditto.
* generic-match-head.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ggc-page.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* gimple-builder.c: ditto.
* gimple.c: ditto.
* gimple-expr.c: ditto.
* gimple-fold.c: ditto.
* gimple-iterator.c: ditto.
* gimple-low.c: ditto.
* gimple-match-head.c: ditto.
* gimple-pretty-print.c: ditto.
* generic-ssa-isolate-paths.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* gimple-ssa-strength-reduction.c: ditto.
* gimple-streamer-in.c: ditto.
* gimple-streamer-out.c: ditto.
* gimple-walk.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* gimplify.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* gimplify-me.c: ditto.
* go/go-gcc.cc: ditto.
* go/go-lang.c: ditto.
* go/gdump.c: ditto.
* graphite-blocking.c: ditto.
* graphite.c: ditto.
* graphite-dependencies.c: ditto.
* graphite-interchange.c: ditto.
* graphite-isl-ast-to-gimple.c: ditto.
* graphite-optimize-isl.c: ditto.
* graphite-poly.c: ditto.
* graphite-scop-detection.c: ditto.
* graphite-sese-to-poly.c: ditto.
* hw-doloop.c: Include symtab.h due to flattening of tree.h.
* ifcvt.c: ditto.
* init-regs.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* internal-fc.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h,options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa.c: ditto.
* ipa-chkp.c: ditto.
* ipa-comdats.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-cp.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h,options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-devirt.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-icf.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h,options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-icf-gimple.c: ditto.
* ipa-inline-analysis.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-inline.c: ditto.
* ipa-inline-transform.c: ditto.
* ipa-polymorhpic-call.c: ditto.
* ipa-profile.c: ditto.
* ipa-prop.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-pure-const.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-ref.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ipa-reference.c: ditto.
* ipa-split.c: ditto.
* ipa-utils.c: ditto.
* ipa-visbility.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* ira.c: ditto.
* ira-color.c: Include hash-set.h due to flattening of tree.h.
* ira-costs.c: ditto.
* ira-emit.c: ditto.
* java/boehm.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* java/builtins.c: ditto.
* java/class.c: ditto.
* java/constants.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* java/decl.c: ditto.
* java/except.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* java/expr.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h,inchash.h and real.h due to flattening of tree.h.
* java/gimplify.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* java/jcf-dump.c: ditto.
* java/jcf-io.c: ditto.
* java/jcf-parse.c: ditto.
* java/jvgenmain.c: ditto.
* java/lang.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* java/mangle.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* java/mangle_name.c: ditto.
* java/resource.c: ditto.
* java/typeck.c: ditto.
* java/verify-glue.c: ditto.
* java/verify-impl.c: ditto.
* jump.c: Include symtab.h due to flattening of tree.h.
* langhooks.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* loop-doloop.c: Include symtab.h due to flattening of tree.h.
* loop-init.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* loop-invariant.c: Include symtab.h due to flattening of tree.h.
* loop-iv.c: ditto.
* loop-unroll.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lower-subreg.c: ditto.
* lra-assigns.c: Include symtab.h due to flattening of tree.h.
* lra.c: Include symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* lra-coalesce.c: Include symtab.h due to flattening of tree.h.
* lra-constraints.c: ditto.
* lra-eliminations.c: ditto.
* lra-livesc: ditto.
* lra-remat.c: ditto.
* lra-spills.c: ditto.
* lto/lto.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lto/lto-lang.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lto/lto-object.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lto/lto-partition.c: ditto.
* lto/lto-symtab.c: ditto.
* lto-cgraph.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lto-compress.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lto-opts.c: ditto.
* lto-section-in.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* lto-section-out.c: ditto.
* lto-streamer.c: ditto.
* lto-streamer-in.c: ditto.
* lto-streamer-out.c: ditto.
* modulo-sched.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* objc/objc-act.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options, fold-const.h,
wide-int.h, and inchash.h due to flattening of tree.h.
* objc/objc-encoding.c: ditto.
* objc/objc-gnu-runtime-abi-01.c: ditto.
* objc/objc-lang.c: ditto.
* objc/objc-map.c: ditto.
* objc/objc-next-runtime-abi-01.c: ditto.
* objc/objc-next-runtime-abi-02.c: ditto.
* objc/objc-runtime-shared-support.c: ditto.
* objcp/objcp-decl.c: ditto.
* objcp/objcp-lang.c: ditto.
* omega.c: ditto.
* omega-low.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* optabs.c: ditto.
* opts-global.c: ditto.
* passes.c: ditto.
* plugin.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* postreload.c: Include symtab.h due to flattening of tree.h.
* postreload-gcse.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* predict.c: ditto.
* print-rtl.c: ditto.
* print-tree.c: ditto.
* profile.c: Include symtab.h, fold-const.h
and inchash.h due to flattening of tree.h.
* real.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* realmpfr.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* recog.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* ree.c: ditto.
* reginfo.c: ditto.
* reg-stack.c: ditto.
* reload1.c: Include symtab.h, fold-const.h, wide-int.h
and inchash.h due to flattening of tree.h.
* reload.c: Include symtab.h due to flattening of tree.h.
* reorg.c: ditto.
* rtlanal.c: Include symtab.h, fold-const.h, wide-int.h
and inchash.h due to flattening of tree.h.
* rtl-chkp.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* rtlhooks.c: Include symtab.h due to flattening of tree.h.
* sanopt.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* sched-deps.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* sched-vis.c: ditto.
* sdbout.c: ditto.
* sel-sched.c: Include symtab.h, fold-const.h, wide-int.h
and inchash.h due to flattening of tree.h.
* sel-sched-ir.c: ditto.
* sese.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* shrink-wrap.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* simplify-rtx.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* stack-ptr-mod.c: ditto.
* stmt.c: ditto.
* store-motion.c: ditto.
* store-layout.c: ditto.
* stringpool.c: ditto.
* symtab.c: ditto.
* target-globals.c: ditto.
* targhooks.c: ditto.
* toplev.c: ditto.
* tracer.c: ditto.
* trans-mem.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-affine.c: ditto.
* tree-browser.c: ditto.
* tree.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-call-cdce.c: Include symtab.h, alias.h, double-int.h,
fold-const.h, wide-int.h, inchash.h and real.h due to
flattening of tree.h.
* tree-cfg.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-cfgcleanup.c: ditto.
* tree-chkp.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-chkp-opt.c: ditto.
* tree-chrec.c: ditto.
* tree-chkp-opt.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h and
real.h due to flattening of tree.h.
* tree-core.h: Flatten header file by removing all #include statements.
* tree-data-ref.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-dfa.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h and
real.h due to flattening of tree.h.
* tree-diagnostic.c: ditto.
* tree-dump.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h, real.h and
fixed-value.h due to flattening of tree.h.
* tree-dfa.c: ditto.
* tree-eh.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h and
real.h due to flattening of tree.h.
* tree-emutls.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree.h: Flatten header files by removing all includes except tree-core.h.
Remove inline function convert_to_ptrofftype_loc to relocate to fold-const.c.
Remove macro convert_to_ptrofftype to relocate to fold-const.h.
Remove inline function fold_build_pointer_plus_loc to relocate to fold-const.c.
Remove macro fold_build_pointer_plus to relocate to fold-const.h.
Remove inline function fold_build_pointer_plus_hwi_loc to relocate to fold-const.c.
Remove macro fold_build_pointer_plus_hwi to relocate to fold-const.h.
* tree-if-conv.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h, real.h and
fixed-value.h due to flattening of tree.h.
* tree-inline.c: ditto.
* tree-into-ssa.c: ditto.
* tree-iterator.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-loop-distribution.c: ditto.
* tree-nested.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-nrv.c: ditto.
* tree-object-size.c: ditto.
* tree-outof-ssa.c: ditto.
* tree-parloops.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-phinodes.c: ditto.
* tree-predcom.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-pretty-print.c: ditto.
* tree-profile.c: double-int.h, input.h, alias.h, symtab.h,
fold-const.h, wide-int.h and inchash.h due to flattening of tree.h.
* tree-scalar-evolution.c: Include hash-set.h, machmode.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h and inchash.h due to flattening of tree.h.
* tree-sra.c: Include vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, and
inchash.h due to flattening of tree.h.
* tree-ssa-alias.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-ssa.c: ditto.
* tree-ssa-ccp.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h
and real.h due to flattening of tree.h.
* tree-ssa-coalesce.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-ssa-copy.c: ditto.
* tree-ssa-copyrename.c: ditto.
* tree-ssa-dce.c: ditto.
* tree-ssa-dom.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h, inchash.h
and real.h due to flattening of tree.h.
* tree-ssa-dse.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-ssa-forwprop.c: ditto.
* tree-ssa-ifcombine.c: ditto.
* tree-ssa-live.c: ditto.
* tree-ssa-loop.c: ditto.
* tree-ssa-loop-ch.c: ditto.
* tree-ssa-loop-im.c: ditto.
* tree-ssa-loop-ivcanon.c: ditto.
* tree-ssa-loop-ivopts.c: ditto.
* tree-ssa-loop-manip.c: ditto.
* tree-ssa-loop-niter.c: ditto.
* tree-ssa-loop-prefetch.c: ditto.
* tree-ssa-loop-unswitch.c: ditto.
* tree-ssa-loop-math-opts.c: ditto.
* tree-ssanames.c: ditto.
* tree-ssa-operands.c: ditto.
* tree-ssa-phiopt.c: ditto.
* tree-ssa-phiprop.c: ditto.
* tree-ssa-pre.c: ditto.
* tree-ssa-propagate.c: ditto.
* tree-ssa-reassoc.c: ditto.
* tree-ssa-sccvn.c: ditto.
* tree-ssa-sink.c: ditto.
* tree-ssa-strlen.c: Include hash-set.h, machmode.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h and inchash.h due to flattening of tree.h.
* tree-ssa-structalias.c: double-int.h, input.h, alias.h, symtab.h,
fold-const.h, wide-int.h and inchash.h due to flattening of tree.h.
* tree-ssa-tail-merge.c: Include hash-set.h, machmode.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, fold-const.h,
wide-int.h and inchash.h due to flattening of tree.h.
* tree-ssa-ter.c: ditto.
* tree-ssa-threadedge.c: ditto.
* tree-ssa-threadupdate.c: Include hash-set.h, machmode.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h and inchash.h due to flattening of tree.h.
* tree-ssa-uncprop.c: Include hash-set.h, machmode.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, fold-const.h,
wide-int.h and inchash.h due to flattening of tree.h.
* tree-ssa-uninit.c: ditto.
* tree-stdarg.c: Include vec.h, double-int.h, input.h, alias.h,
symtab.h, fold-const.h, wide-int.h and inchash.h due to flattening
of tree.h.
* tree-streamer.c: Include vec.h, double-int.h, input.h, alias.h,
symtab.h, options.h, fold-const.h, wide-int.h and
inchash.h due to flattening of tree.h.
* tree-streamer-in.c: Include hash-set.h, machmode.h, vec.h,
double-int.h, input.h, alias.h, symtab.h, options.h, fold-const.h,
wide-int.h, inchash.h, real.h and fixed-value.h due to flattening
of tree.h.
* tree-streamer-out.c: dittoo.
* tree-switch-conversion.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-tailcall.c: ditto.
* tree-vect-data-refs.c: ditto.
* tree-vect-generic.c: Include hash-set.h, machmode.h, vec.h, double-int.h, input.h,
alias.h, symtab.h, options.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-vect-loop.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* tree-vect-loop-manip.c: ditto.
* tree-vectorizer.c: ditto.
* tree-vect-patterns.c: ditto.
* tree-vect-slp.c: ditto.
* tree-vect-stmts.c: ditto.
* tree-vrp.c: ditto.
* tsan.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* ubsan.c: ditto.
* value-prof.c.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* varasm.c: ditto.
* varpool.c: ditto.
* var-tracking.c: ditto.
* vmsdbgout.c: ditto.
* vtable-verify.c: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* wide-int.cc: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
* xcoffout.c: ditto.
* libcc1/plugin.cc: Include hash-set.h, machmode.h, vec.h, double-int.h,
input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h and inchash.h
due to flattening of tree.h.
From-SVN: r219402
2015-01-09 21:18:42 +01:00
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|
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#include "symtab.h"
|
dojump.h: New header file.
2015-10-15 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
* dojump.h: New header file.
* explow.h: Likewise.
* expr.h: Remove includes.
Move expmed.c prototypes to expmed.h.
Move dojump.c prototypes to dojump.h.
Move alias.c prototypes to alias.h.
Move explow.c prototypes to explow.h.
Move calls.c prototypes to calls.h.
Move emit-rtl.c prototypes to emit-rtl.h.
Move varasm.c prototypes to varasm.h.
Move stmt.c prototypes to stmt.h.
(saved_pending_stack_adjust): Move to dojump.h.
(adjust_address): Move to explow.h.
(adjust_address_nv): Move to emit-rtl.h.
(adjust_bitfield_address): Likewise.
(adjust_bitfield_address_size): Likewise.
(adjust_bitfield_address_nv): Likewise.
(adjust_automodify_address_nv): Likewise.
* explow.c (expr_size): Move to expr.c.
(int_expr_size): Likewise.
(tree_expr_size): Likewise.
Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h statistics.h stmt.h varasm.h.
* genemit.c (main): Generate includes statistics.h, real.h, fixed-value.h,
insn-config.h, expmed.h, dojump.h, explow.h, emit-rtl.h, stmt.h.
* genopinit.c (main): Generate includes hashtab.h, hard-reg-set.h, function.h,
statistics.h, real.h, fixed-value.h, expmed.h, dojump.h, explow.h, emit-rtl.h,
stmt.h.
* genoutput.c (main): Generate includes hashtab.h, statistics.h, real.h,
fixed-value.h, expmed.h, dojump.h, explow.h, emit-rtl.h, stmt.h.
* genemit.c (open_base_files): Generate includes flags.h, statistics.h, real.h,
fixed-value.h, tree.h, expmed.h, dojump.h, explow.h, calls.h, emit-rtl.h, varasm.h,
stmt.h.
* config/tilepro/gen-mul-tables.cc: Generate includes hashtab.h, hash-set.h, vec.h,
machmode.h, tm.h, hard-reg-set.h, input.h, function.h, rtl.h, flags.h, statistics.h,
double-int.h, real.h, fixed-value.h, alias.h, wide-int.h, inchash.h, tree.h,
insn-config.h, expmed.h, dojump.h, explow.h, calls.h, emit-rtl.h, varasm.h, stmt.h.
* config/tilegx/mul-tables.c: Include alias.h calls.h dojump.h
double-int.h emit-rtl.h explow.h expmed.h fixed-value.h flags.h
function.h hard-reg-set.h hash-set.h hashtab.h inchash.h input.h
insn-config.h machmode.h real.h rtl.h statistics.h stmt.h symtab.h
tm.h tree.h varasm.h vec.h wide-int.h.
* rtlhooks.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
explow.h expmed.h fixed-value.h flags.h function.h hard-reg-set.h
hash-set.h hashtab.h inchash.h input.h insn-config.h machmode.h
real.h statistics.h stmt.h tree.h varasm.h vec.h wide-int.h.
* cfgloopanal.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
explow.h expmed.h fixed-value.h flags.h inchash.h insn-config.h
real.h statistics.h stmt.h tree.h varasm.h wide-int.h.
* loop-iv.c: Likewise.
* lra-assigns.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
explow.h expmed.h fixed-value.h flags.h inchash.h real.h
statistics.h stmt.h tree.h varasm.h wide-int.h.
* lra-constraints.c: Likewise.
* lra-eliminations.c: Likewise.
* lra-lives.c: Likewise.
* lra-remat.c: Likewise.
* bt-load.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
explow.h expmed.h fixed-value.h inchash.h insn-config.h real.h
statistics.h stmt.h tree.h varasm.h wide-int.h.
* hw-doloop.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* loop-doloop.c: Likewise.
* loop-invariant.c: Likewise.
* reload.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
explow.h expmed.h fixed-value.h inchash.h real.h rtl.h
statistics.h stmt.h tree.h varasm.h wide-int.h.
* caller-save.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
explow.h expmed.h fixed-value.h inchash.h real.h statistics.h
stmt.h tree.h varasm.h wide-int.h.
* combine-stack-adj.c: Likewise.
* cse.c: Likewise.
* ddg.c: Likewise.
* ifcvt.c: Likewise.
* ira-costs.c: Likewise.
* jump.c: Likewise.
* lra-coalesce.c: Likewise.
* lra-spills.c: Likewise.
* profile.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
explow.h expmed.h fixed-value.h insn-config.h real.h statistics.h
stmt.h varasm.h wide-int.h.
* lra.c: Include alias.h calls.h dojump.h double-int.h emit-rtl.h
explow.h expmed.h fixed-value.h real.h statistics.h stmt.h
varasm.h.
* config/sh/sh_treg_combine.cc: Include alias.h calls.h dojump.h
double-int.h explow.h expmed.h fixed-value.h flags.h real.h
statistics.h stmt.h varasm.h wide-int.h.
* reorg.c: Include alias.h calls.h dojump.h double-int.h explow.h
expmed.h fixed-value.h inchash.h real.h statistics.h stmt.h tree.h
varasm.h wide-int.h.
* reload1.c: Include alias.h calls.h dojump.h double-int.h explow.h
expmed.h fixed-value.h real.h rtl.h statistics.h stmt.h varasm.h.
* config/tilegx/tilegx.c: Include alias.h dojump.h double-int.h
emit-rtl.h explow.h expmed.h fixed-value.h flags.h real.h
statistics.h stmt.h.
* config/tilepro/tilepro.c: Likewise.
* config/mmix/mmix.c: Include alias.h dojump.h double-int.h emit-rtl.h
explow.h expmed.h fixed-value.h real.h statistics.h stmt.h.
* config/pdp11/pdp11.c: Likewise.
* config/xtensa/xtensa.c: Likewise.
* config/lm32/lm32.c: Include alias.h dojump.h double-int.h emit-rtl.h
explow.h expmed.h fixed-value.h real.h statistics.h stmt.h
varasm.h.
* tree-chkp.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h flags.h function.h hard-reg-set.h hashtab.h
insn-config.h real.h rtl.h statistics.h stmt.h tm.h.
* cilk-common.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h flags.h function.h hard-reg-set.h hashtab.h
insn-config.h real.h rtl.h statistics.h stmt.h tm.h varasm.h.
* rtl-chkp.c: Likewise.
* tree-chkp-opt.c: Likewise.
* config/arm/arm-builtins.c: Include calls.h dojump.h emit-rtl.h explow.h
expmed.h fixed-value.h flags.h function.h hard-reg-set.h hashtab.h
insn-config.h real.h statistics.h stmt.h varasm.h.
* ipa-icf.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h flags.h hashtab.h insn-config.h real.h rtl.h
statistics.h stmt.h.
* tree-vect-data-refs.c: Likewise.
* graphite-sese-to-poly.c: Include calls.h dojump.h emit-rtl.h explow.h
expmed.h fixed-value.h flags.h hashtab.h insn-config.h real.h
rtl.h statistics.h stmt.h varasm.h.
* internal-fn.c: Likewise.
* ipa-icf-gimple.c: Likewise.
* lto-section-out.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-nested.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tsan.c: Likewise.
* targhooks.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h flags.h hashtab.h insn-config.h real.h statistics.h
stmt.h.
* config/sh/sh-mem.cc: Include calls.h dojump.h emit-rtl.h explow.h
expmed.h fixed-value.h flags.h hashtab.h insn-config.h real.h
statistics.h stmt.h varasm.h.
* loop-unroll.c: Likewise.
* ubsan.c: Likewise.
* tree-ssa-loop-prefetch.c: Include calls.h dojump.h emit-rtl.h explow.h
expmed.h fixed-value.h flags.h hashtab.h real.h rtl.h statistics.h
stmt.h varasm.h.
* dse.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h function.h hashtab.h statistics.h stmt.h varasm.h.
* tree-switch-conversion.c: Include calls.h dojump.h emit-rtl.h explow.h
expmed.h fixed-value.h hashtab.h insn-config.h real.h rtl.h
statistics.h stmt.h.
* generic-match-head.c: Include calls.h dojump.h emit-rtl.h explow.h
expmed.h fixed-value.h hashtab.h insn-config.h real.h rtl.h
statistics.h stmt.h varasm.h.
* gimple-match-head.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-in.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* tree-affine.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-if-conv.c: Likewise.
* tree-into-ssa.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-copyrename.c: Likewise.
* tree-ssa-dse.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-tailcall.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-sra.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h insn-config.h real.h rtl.h stmt.h varasm.h.
* stor-layout.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h insn-config.h real.h statistics.h stmt.h.
* varasm.c: Likewise.
* coverage.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h insn-config.h real.h statistics.h stmt.h
varasm.h.
* init-regs.c: Likewise.
* ira.c: Likewise.
* omp-low.c: Likewise.
* stack-ptr-mod.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-complex.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h insn-config.h rtl.h statistics.h stmt.h
varasm.h.
* dwarf2cfi.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h insn-config.h statistics.h stmt.h varasm.h.
* shrink-wrap.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h real.h rtl.h statistics.h stmt.h.
* recog.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h real.h rtl.h statistics.h stmt.h varasm.h.
* tree-ssa-phiopt.c: Likewise.
* config/darwin.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h real.h statistics.h stmt.h.
* config/fr30/fr30.c: Likewise.
* config/frv/frv.c: Likewise.
* expr.c: Likewise.
* final.c: Likewise.
* optabs.c: Likewise.
* passes.c: Likewise.
* simplify-rtx.c: Likewise.
* stmt.c: Likewise.
* toplev.c: Likewise.
* var-tracking.c: Likewise.
* gcse.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h real.h statistics.h stmt.h varasm.h.
* lower-subreg.c: Likewise.
* postreload-gcse.c: Likewise.
* ree.c: Likewise.
* reginfo.c: Likewise.
* store-motion.c: Likewise.
* combine.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h real.h stmt.h varasm.h.
* emit-rtl.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h statistics.h stmt.h.
* dojump.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h statistics.h stmt.h varasm.h.
* except.c: Likewise.
* explow.c: Likewise.
* tree-dfa.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h insn-config.h real.h rtl.h statistics.h stmt.h
varasm.h.
* gimple-fold.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h insn-config.h real.h rtl.h statistics.h varasm.h.
* tree-ssa-structalias.c: Likewise.
* cfgexpand.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h insn-config.h real.h statistics.h.
* calls.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h insn-config.h real.h statistics.h stmt.h.
* bb-reorder.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h insn-config.h real.h statistics.h stmt.h varasm.h.
* cfgbuild.c: Likewise.
* function.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h real.h rtl.h statistics.h stmt.h.
* cfgrtl.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h real.h rtl.h statistics.h stmt.h varasm.h.
* dbxout.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h real.h statistics.h stmt.h.
* auto-inc-dec.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h real.h statistics.h stmt.h varasm.h.
* cprop.c: Likewise.
* modulo-sched.c: Likewise.
* postreload.c: Likewise.
* ccmp.c: Include calls.h dojump.h emit-rtl.h explow.h fixed-value.h
flags.h function.h hard-reg-set.h hashtab.h insn-config.h real.h
statistics.h stmt.h varasm.h.
* gimple-ssa-strength-reduction.c: Include calls.h dojump.h emit-rtl.h
explow.h fixed-value.h flags.h hashtab.h insn-config.h real.h
rtl.h statistics.h stmt.h varasm.h.
* tree-ssa-loop-ivopts.c: Include calls.h dojump.h emit-rtl.h explow.h
fixed-value.h flags.h hashtab.h real.h rtl.h statistics.h stmt.h
varasm.h.
* expmed.c: Include calls.h dojump.h emit-rtl.h explow.h fixed-value.h
function.h hard-reg-set.h hashtab.h real.h statistics.h stmt.h
varasm.h.
* target-globals.c: Include calls.h dojump.h emit-rtl.h explow.h
fixed-value.h function.h hashtab.h real.h statistics.h stmt.h
varasm.h.
* tree-ssa-address.c: Include calls.h dojump.h emit-rtl.h explow.h
fixed-value.h hashtab.h real.h statistics.h stmt.h varasm.h.
* cfgcleanup.c: Include calls.h dojump.h explow.h expmed.h fixed-value.h
function.h real.h statistics.h stmt.h varasm.h.
* alias.c: Include calls.h dojump.h explow.h expmed.h fixed-value.h
insn-config.h real.h statistics.h stmt.h.
* dwarf2out.c: Include calls.h dojump.h explow.h expmed.h fixed-value.h
statistics.h stmt.h.
* config/nvptx/nvptx.c: Include dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h flags.h hard-reg-set.h insn-config.h real.h
statistics.h stmt.h varasm.h.
* gimplify.c: Include dojump.h emit-rtl.h explow.h expmed.h fixed-value.h
flags.h hashtab.h insn-config.h real.h rtl.h statistics.h.
* asan.c: Include dojump.h emit-rtl.h explow.h expmed.h fixed-value.h
flags.h hashtab.h insn-config.h real.h rtl.h statistics.h stmt.h.
* ipa-devirt.c: Include dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h flags.h hashtab.h insn-config.h real.h rtl.h
statistics.h stmt.h varasm.h.
* ipa-polymorphic-call.c: Likewise.
* config/aarch64/aarch64.c: Include dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h flags.h hashtab.h insn-config.h real.h statistics.h
stmt.h.
* config/c6x/c6x.c: Likewise.
* config/aarch64/aarch64-builtins.c: Include dojump.h emit-rtl.h explow.h
expmed.h fixed-value.h flags.h hashtab.h insn-config.h real.h
statistics.h stmt.h varasm.h.
* ipa-prop.c: Include dojump.h emit-rtl.h explow.h expmed.h fixed-value.h
hashtab.h insn-config.h real.h rtl.h statistics.h stmt.h varasm.h.
* ipa-split.c: Likewise.
* tree-eh.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-vrp.c: Likewise.
* config/nds32/nds32-cost.c: Include dojump.h emit-rtl.h explow.h
expmed.h fixed-value.h hashtab.h insn-config.h real.h statistics.h
stmt.h.
* config/nds32/nds32-fp-as-gp.c: Likewise.
* config/nds32/nds32-intrinsic.c: Likewise.
* config/nds32/nds32-isr.c: Likewise.
* config/nds32/nds32-md-auxiliary.c: Likewise.
* config/nds32/nds32-memory-manipulation.c: Likewise.
* config/nds32/nds32-pipelines-auxiliary.c: Likewise.
* config/nds32/nds32-predicates.c: Likewise.
* config/nds32/nds32.c: Likewise.
* config/cris/cris.c: Include dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h real.h statistics.h.
* config/alpha/alpha.c: Include dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h real.h statistics.h stmt.h.
* config/arm/arm.c: Likewise.
* config/avr/avr.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/h8300/h8300.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/iq2000/iq2000.c: Likewise.
* config/m32c/m32c.c: Likewise.
* config/m32r/m32r.c: Likewise.
* config/m68k/m68k.c: Likewise.
* config/mcore/mcore.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/mn10300/mn10300.c: Likewise.
* config/moxie/moxie.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rl78/rl78.c: Likewise.
* config/rx/rx.c: Likewise.
* config/s390/s390.c: Likewise.
* config/sh/sh.c: Likewise.
* config/sparc/sparc.c: Likewise.
* config/spu/spu.c: Likewise.
* config/stormy16/stormy16.c: Likewise.
* config/v850/v850.c: Likewise.
* config/vax/vax.c: Likewise.
* config/cr16/cr16.c: Include dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h hashtab.h real.h statistics.h stmt.h varasm.h.
* config/msp430/msp430.c: Likewise.
* predict.c: Likewise.
* value-prof.c: Likewise.
* config/epiphany/epiphany.c: Include dojump.h emit-rtl.h explow.h
expmed.h fixed-value.h hashtab.h statistics.h stmt.h.
* config/microblaze/microblaze.c: Likewise.
* config/nios2/nios2.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* tree.c: Include dojump.h emit-rtl.h explow.h expmed.h fixed-value.h
insn-config.h real.h rtl.h statistics.h stmt.h.
* cgraph.c: Include dojump.h emit-rtl.h explow.h expmed.h fixed-value.h
insn-config.h real.h statistics.h stmt.h.
* fold-const.c: Include dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h insn-config.h real.h statistics.h stmt.h varasm.h.
* tree-inline.c: Include dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h real.h rtl.h statistics.h stmt.h varasm.h.
* builtins.c: Include dojump.h emit-rtl.h explow.h expmed.h fixed-value.h
real.h statistics.h stmt.h.
* config/arc/arc.c: Include dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h statistics.h stmt.h.
* config/visium/visium.c: Include dojump.h emit-rtl.h explow.h expmed.h
stmt.h.
java/
* builtins.c: Include calls.h dojump.h emit-rtl.h explow.h expmed.h
fixed-value.h function.h hard-reg-set.h hashtab.h insn-config.h
real.h statistics.h stmt.h varasm.h.
From-SVN: r219655
2015-01-15 14:28:42 +01:00
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#include "flags.h"
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#include "statistics.h"
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#include "double-int.h"
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#include "real.h"
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#include "fixed-value.h"
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#include "alias.h"
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#include "wide-int.h"
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#include "inchash.h"
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#include "tree.h"
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#include "insn-config.h"
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#include "expmed.h"
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#include "dojump.h"
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#include "explow.h"
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#include "calls.h"
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#include "emit-rtl.h"
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#include "varasm.h"
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#include "stmt.h"
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loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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#include "expr.h"
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2005-07-21 09:24:34 +02:00
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#include "intl.h"
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2010-07-08 06:22:54 +02:00
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#include "diagnostic-core.h"
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loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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#include "df.h"
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2013-04-26 02:28:35 +02:00
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#include "hash-table.h"
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system.h (dump_file): Do not define.
gcc/
* system.h (dump_file): Do not define.
* tree-pass.h: Include dumpfile.h, which is a new file containing...
(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, dump_file, dump_flags, dump_file_name,
get_dump_file_info, struct dump_file_info): all of this, moved to...
* dumpfile.h: Here, new file.
* tree-dump.h: Include dumpfile.h, but not tree-pass.h.
(dump_stmt): Remove prototype for C++ specific function.
(dump_enumerated_decls): Move prototype from here...
* tree-flow.h (dump_enumerated_decls): ... to here.
(get_ref_base_and_extent) Move prototype from here ...
* tree.h (get_ref_base_and_extent) ... to here.
* tree-ssa-live.c: Do not inclde tree-pretty-print.h, because
gimple-pretty-print.h is enough. Do not include tree-dump.h,
include timevar.h and dumpfile.h instead.
(struct numbered_tree_d, compare_decls_by_uid,
dump_enumerated_decls_push, dump_enumerated_decls): Move from here ...
* tree-dfa.c:(struct numbered_tree_d, compare_decls_by_uid,
dump_enumerated_decls_push, dump_enumerated_decls):... to here.
Do not include timevar.h.
* tree.c: Do not include timevar.h.
* tree-cfg.c: Do not include langhooks.h, tree-pretty-print.h, and
timevar.h.
(dump_cfg_stats): Use current_function_name.
(gimple_cfg2vcg): Likewise.
(dump_function_to_file): Likewise.
* df-scan.c: Do not include tree-pass.h and timevar.h.
Include dumpfile.h.
(df_entry_block_bitmap_verify, df_exit_block_bitmap_verify): Do not
use print_current_pass.
* df-problems.c: Include dumpfile.h.
Always define REG_DEAD_DEBUGGING, avoid #ifdef code, because it
leads to errors in the code not selected.
(df_note_compute): Do not print_rtl_with_bb here. Fix compilation
bug if REG_DEAD_DEBUGGING is not 0, get_insns is not available here.
* lcm.c: Include dumpfile.h.
Remove obsolete include of insn-attr.h.
* dojump.c (do_compare_rtx_and_jump): Remove failure printing for
missing probability notes.
* stmt.c: Include dumpfile.h.
(emit_case_decision_tree): Re-enable printing expand details only
if TDF_DETAILS.
* alias.c, auto-inc-dec.c, bb-reorder.c, caller-save.c, cfg.c,
cfgcleanup.c, cfgexpand.c, cfgloop.c, cfgloopmanip.c, cgraph.c,
cgraphclones.c, cgraphunit.c, combine.c, combine-stack-adj.c,
coverage.c, cprop.c, cse.c, cselib.c, dbgcnt.c, dce.c, df-core.c,
dse.c, dwarf2out.c, emit-rtl.c, except.c, expr.c, final.c,
function.c, fwprop.c, gcse.c, gimple-fold.c,
gimple-pretty-print.c, gimple-ssa-strength-reduction.c,
gimplify.c, graphite-blocking.c, graphite-clast-to-gimple.c,
graphite-dependences.c, graphite-interchange.c,
graphite-optimize-isl.c, graphite-poly.c,
graphite-sese-to-poly.c, haifa-sched.c, hw-doloop.c, ifcvt.c,
ipa.c, ipa-cp.c, ipa-inline-analysis.c, ipa-inline.c,
ipa-inline-transform.c, ipa-prop.c, ipa-pure-const.c,
ipa-reference.c, ipa-split.c, ipa-utils.c, ira.c, ira-emit.c,
jump.c, loop-doloop.c, loop-init.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, loop-unswitch.c, lower-subreg.c,
lto-section-out.c, lto-streamer-in.c, matrix-reorg.c, mcf.c,
mode-switching.c, modulo-sched.c, omega.c, omp-low.c, passes.c,
plugin.c, postreload.c, postreload-gcse.c, predict.c, print-rtl.c,
print-tree.c, profile.c, recog.c, ree.c, regcprop.c, reginfo.c,
regmove.c, regrename.c, reg-stack.c, reload1.c, reorg.c,
sched-rgn.c, sched-vis.c, sel-sched.c, sel-sched-ir.c,
store-motion.c, tracer.c, trans-mem.c, tree-affine.c,
tree-call-cdce.c, tree-cfgcleanup.c, tree-chrec.c,
tree-data-ref.c, tree-diagnostic.c, tree-dump.c,
tree-eh.c, tree-flow-inline.h, tree-if-conv.c, tree-into-ssa.c,
tree-mudflap.c, tree-nrv.c, tree-object-size.c,
tree-optimize.c, tree-outof-ssa.c, tree-predcom.c,
tree-pretty-print.c, tree-profile.c, tree-scalar-evolution.c,
tree-sra.c, tree-ssa-address.c, tree-ssa-alias.c, tree-ssa.c,
tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-copy.c,
tree-ssa-copyrename.c,, tree-ssa-dce.c, tree-ssa-dom.c,
tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-ifcombine.c,
tree-ssa-loop.c, tree-ssa-loop-ch.c, tree-ssa-loop-im.c,
tree-ssa-loop-ivcanon.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
tree-ssa-loop-prefetch.c, tree-ssa-loop-unswitch.c,
tree-ssa-math-opts.c, tree-ssa-operands.c, tree-ssa-phiopt.c,
tree-ssa-phiprop.c, tree-ssa-pre.c, tree-ssa-propagate.c,
tree-ssa-reassoc.c, tree-ssa-sccvn.c, tree-ssa-sink.c,
tree-ssa-structalias.c, tree-ssa-tail-merge.c, tree-ssa-ter.c,
tree-ssa-threadedge.c, tree-ssa-threadupdate.c,
tree-ssa-uncprop.c, tree-ssa-uninit.c,
tree-switch-conversion.c, tree-tailcall.c,
tree-vect-data-refs.c, tree-vect-loop.c,
tree-vect-loop-manip.c, tree-vectorizer.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, value-prof.c, var-tracking.c, web.c: Include tree-pass.h
only if needed. If tree-pass.h is included, do not include timevar.h
and dumpfile.h. If tree-pass.h is not included but dump_file, or
dump_flags, or the TDF_* flags are used, include dumpfile.h.
If gimple-pretty-print.h is included, don't include tree-pretty-print.h.
Remove assorted unnecessary includes.
* config/mn10300/mn10300.c, config/c6x/c6x.c, config/ia64/ia64.c,
config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
config/spu/spu.c, config/mep/mep.c, config/i386/i386.c:
Include dumpfile.h.
* config/rl78/rl78.c: Include dumpfile.h instead of tree-pass.h.
* arm/t-arm, avr/t-avr, i386/t-i386, ia64/t-ia64, mep/t-mep,
spu/t-spu-elf: Fix dependencies.
c-family/
* c-gimplify.c: Include dumpfile.h instead of tree-dump.h.
* c-ada-spec.c: Likewise.
* c-dump.c (dump_stmt): Move to cp/dump.c, the only user.
c/
* c-decl.c: Include dumpfile.h instead of tree-dump.h.
* Make-lang.in: Fix dependencies.
cp/
* dump.c (dump_stmt): Moved here from c-dump.c.
* optimize.c: Include dumpfile.h instead of tree-dump.h.
* class.c: Likewise.
* decl2.c: Likewise.
* Make-lang.in: Fix dependencies.
fortran/
* f95-lang.c: Include dumpfile.h instead of tree-dump.h.
* Make-lang.in: Fix dependencies.
java/
* java-gimplify.c Include dumpfile.h instead of tree-dump.h
* Make-lang.in: Fix dependencies.
lto/
* lto.c: Do not include timevar.h.
* Make-lang.in: Fix dependencies.
ada/
* gcc-interface/utils.c: Include timevar.h.
* Make-lang.in: Fix dependencies.
From-SVN: r189519
2012-07-16 13:32:42 +02:00
|
|
|
#include "dumpfile.h"
|
2014-08-28 08:23:42 +02:00
|
|
|
#include "rtl-iter.h"
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* Possible return values of iv_get_reaching_def. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
enum iv_grd_result
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* More than one reaching def, or reaching def that does not
|
|
|
|
dominate the use. */
|
|
|
|
GRD_INVALID,
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* The use is trivial invariant of the loop, i.e. is not changed
|
|
|
|
inside the loop. */
|
|
|
|
GRD_INVARIANT,
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* The use is reached by initial value and a value from the
|
|
|
|
previous iteration. */
|
|
|
|
GRD_MAYBE_BIV,
|
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|
|
|
|
|
|
/* The use has single dominating def. */
|
|
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|
GRD_SINGLE_DOM
|
|
|
|
};
|
|
|
|
|
|
|
|
/* Information about a biv. */
|
|
|
|
|
|
|
|
struct biv_entry
|
|
|
|
{
|
|
|
|
unsigned regno; /* The register of the biv. */
|
|
|
|
struct rtx_iv iv; /* Value of the biv. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
};
|
|
|
|
|
2007-06-11 20:02:15 +02:00
|
|
|
static bool clean_slate = true;
|
|
|
|
|
|
|
|
static unsigned int iv_ref_table_size = 0;
|
|
|
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|
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|
|
/* Table of rtx_ivs indexed by the df_ref uid field. */
|
|
|
|
static struct rtx_iv ** iv_ref_table;
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* Induction variable stored at the reference. */
|
alloc-pool.c, [...]: Add missing whitespace before "(".
gcc/
* alloc-pool.c, asan.c, auto-inc-dec.c, basic-block.h, bb-reorder.c,
bitmap.c, bitmap.h, bt-load.c, builtins.c, calls.c, cfgcleanup.c,
cfgexpand.c, cfghooks.c, cfgloop.c, cfgloopmanip.c, cfgrtl.c, cgraph.c,
cgraph.h, cgraphbuild.c, cgraphclones.c, cgraphunit.c, collect2.c,
combine-stack-adj.c, combine.c, compare-elim.c, context.c, context.h,
cprop.c, cse.c, cselib.c, dbxout.c, dce.c, defaults.h, df-core.c,
df-problems.c, df-scan.c, df.h, diagnostic.c, double-int.c, dse.c,
dumpfile.c, dwarf2asm.c, dwarf2cfi.c, dwarf2out.c, emit-rtl.c,
errors.c, except.c, expmed.c, expr.c, file-find.c, final.c,
fixed-value.c, fold-const.c, function.c, fwprop.c, gcc-ar.c, gcc.c,
gcov-io.c, gcov-io.h, gcov.c, gcse.c, genattr-common.c, genattr.c,
genattrtab.c, genautomata.c, genconfig.c, genemit.c, genextract.c,
genflags.c, gengenrtl.c, gengtype-state.c, gengtype.c, genmodes.c,
genopinit.c, genoutput.c, genpeep.c, genpreds.c, genrecog.c,
gensupport.c, ggc-common.c, ggc-page.c, gimple-fold.c, gimple-low.c,
gimple-pretty-print.c, gimple-ssa-strength-reduction.c, gimple.c,
gimple.h, godump.c, graphite-clast-to-gimple.c,
graphite-optimize-isl.c, graphite-poly.h, graphite-sese-to-poly.c,
graphite.c, haifa-sched.c, hash-table.c, hash-table.h, hwint.c,
hwint.h, ifcvt.c, incpath.c, init-regs.c, input.h, intl.c, intl.h,
ipa-cp.c, ipa-devirt.c, ipa-inline-analysis.c, ipa-inline.c,
ipa-profile.c, ipa-pure-const.c, ipa-reference.c, ipa-split.c,
ipa-utils.c, ipa.c, ira-build.c, ira.c, jump.c, loop-doloop.c,
loop-init.c, loop-invariant.c, loop-iv.c, lower-subreg.c, lto-cgraph.c,
lto-streamer-in.c, lto-streamer-out.c, lto-wrapper.c, mcf.c,
mode-switching.c, modulo-sched.c, omp-low.c, optabs.c, opts.c,
pass_manager.h, passes.c, plugin.c, postreload-gcse.c, postreload.c,
predict.c, prefix.c, pretty-print.c, print-rtl.c, print-tree.c,
profile.c, read-md.c, real.c, real.h, recog.c, ree.c, reg-stack.c,
regcprop.c, reginfo.c, regmove.c, regrename.c, regs.h, regstat.c,
reload1.c, reorg.c, rtl.c, rtl.h, rtlanal.c, sbitmap.c, sched-rgn.c,
sdbout.c, sel-sched-ir.c, sel-sched.c, sparseset.c, stack-ptr-mod.c,
statistics.c, stmt.c, stor-layout.c, store-motion.c, streamer-hooks.h,
system.h, target-hooks-macros.h, targhooks.c, targhooks.h, toplev.c,
tracer.c, trans-mem.c, tree-browser.c, tree-call-cdce.c, tree-cfg.c,
tree-cfgcleanup.c, tree-complex.c, tree-data-ref.c, tree-data-ref.h,
tree-eh.c, tree-emutls.c, tree-flow.h, tree-if-conv.c, tree-into-ssa.c,
tree-iterator.c, tree-loop-distribution.c, tree-mudflap.c,
tree-nested.c, tree-nomudflap.c, tree-nrv.c, tree-object-size.c,
tree-optimize.c, tree-pass.h, tree-pretty-print.c, tree-profile.c,
tree-scalar-evolution.c, tree-sra.c, tree-ssa-ccp.c,
tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-copyrename.c,
tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c,
tree-ssa-ifcombine.c, tree-ssa-live.c, tree-ssa-loop-ch.c,
tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-loop-prefetch.c,
tree-ssa-loop.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
tree-ssa-phiopt.c, tree-ssa-phiprop.c, tree-ssa-pre.c,
tree-ssa-reassoc.c, tree-ssa-sink.c, tree-ssa-strlen.c,
tree-ssa-structalias.c, tree-ssa-threadedge.c, tree-ssa-threadupdate.c,
tree-ssa-uncprop.c, tree-ssa-uninit.c, tree-ssa.c, tree-ssanames.c,
tree-stdarg.c, tree-switch-conversion.c, tree-tailcall.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop-manip.c,
tree-vect-stmts.c, tree-vectorizer.c, tree-vectorizer.h, tree-vrp.c,
tree.c, tree.h, tsan.c, tsystem.h, value-prof.c, var-tracking.c,
varasm.c, vec.h, vmsdbgout.c, vtable-verify.c, web.c: Add missing
whitespace before "(".
From-SVN: r203004
2013-09-28 10:42:34 +02:00
|
|
|
#define DF_REF_IV(REF) iv_ref_table[DF_REF_ID (REF)]
|
|
|
|
#define DF_REF_IV_SET(REF, IV) iv_ref_table[DF_REF_ID (REF)] = (IV)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* The current loop. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
static struct loop *current_loop;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2013-04-26 02:28:35 +02:00
|
|
|
/* Hashtable helper. */
|
|
|
|
|
|
|
|
struct biv_entry_hasher : typed_free_remove <biv_entry>
|
|
|
|
{
|
remove need for store_values_directly
This switches all hash_table users to use the layout that stores
elements of type value_type in the hash table instead of the one storing
value_type *. Since it becomes unused support for the value_type *
layout is removed.
gcc/
* hash-table.h: Remove version of hash_table that stored value_type *.
* asan.c, attribs.c, bitmap.c, cfg.c, cgraph.h, config/arm/arm.c,
config/i386/winnt.c, config/ia64/ia64.c, config/mips/mips.c,
config/sol2.c, coverage.c, cselib.c, dse.c, dwarf2cfi.c,
dwarf2out.c, except.c, gcse.c, genmatch.c, ggc-common.c,
gimple-ssa-strength-reduction.c, gimplify.c, haifa-sched.c,
hard-reg-set.h, hash-map.h, hash-set.h, ipa-devirt.c, ipa-icf.h,
ipa-profile.c, ira-color.c, ira-costs.c, loop-invariant.c,
loop-iv.c, loop-unroll.c, lto-streamer.h, plugin.c, postreload-gcse.c,
reginfo.c, statistics.c, store-motion.c, trans-mem.c, tree-cfg.c,
tree-eh.c, tree-hasher.h, tree-into-ssa.c, tree-parloops.c,
tree-sra.c, tree-ssa-coalesce.c, tree-ssa-dom.c, tree-ssa-live.c,
tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-phiopt.c,
tree-ssa-pre.c, tree-ssa-reassoc.c, tree-ssa-sccvn.c,
tree-ssa-structalias.c, tree-ssa-tail-merge.c,
tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
valtrack.h, var-tracking.c, vtable-verify.c, vtable-verify.h: Adjust.
libcc1/
* plugin.cc: Adjust for hash_table changes.
gcc/java/
* jcf-io.c: Adjust for hash_table changes.
gcc/lto/
* lto.c: Adjust for hash_table changes.
gcc/objc/
* objc-act.c: Adjust for hash_table changes.
From-SVN: r222213
2015-04-18 20:13:18 +02:00
|
|
|
typedef biv_entry *value_type;
|
|
|
|
typedef rtx_def *compare_type;
|
|
|
|
static inline hashval_t hash (const biv_entry *);
|
|
|
|
static inline bool equal (const biv_entry *, const rtx_def *);
|
2013-04-26 02:28:35 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
/* Returns hash value for biv B. */
|
|
|
|
|
|
|
|
inline hashval_t
|
remove need for store_values_directly
This switches all hash_table users to use the layout that stores
elements of type value_type in the hash table instead of the one storing
value_type *. Since it becomes unused support for the value_type *
layout is removed.
gcc/
* hash-table.h: Remove version of hash_table that stored value_type *.
* asan.c, attribs.c, bitmap.c, cfg.c, cgraph.h, config/arm/arm.c,
config/i386/winnt.c, config/ia64/ia64.c, config/mips/mips.c,
config/sol2.c, coverage.c, cselib.c, dse.c, dwarf2cfi.c,
dwarf2out.c, except.c, gcse.c, genmatch.c, ggc-common.c,
gimple-ssa-strength-reduction.c, gimplify.c, haifa-sched.c,
hard-reg-set.h, hash-map.h, hash-set.h, ipa-devirt.c, ipa-icf.h,
ipa-profile.c, ira-color.c, ira-costs.c, loop-invariant.c,
loop-iv.c, loop-unroll.c, lto-streamer.h, plugin.c, postreload-gcse.c,
reginfo.c, statistics.c, store-motion.c, trans-mem.c, tree-cfg.c,
tree-eh.c, tree-hasher.h, tree-into-ssa.c, tree-parloops.c,
tree-sra.c, tree-ssa-coalesce.c, tree-ssa-dom.c, tree-ssa-live.c,
tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-phiopt.c,
tree-ssa-pre.c, tree-ssa-reassoc.c, tree-ssa-sccvn.c,
tree-ssa-structalias.c, tree-ssa-tail-merge.c,
tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
valtrack.h, var-tracking.c, vtable-verify.c, vtable-verify.h: Adjust.
libcc1/
* plugin.cc: Adjust for hash_table changes.
gcc/java/
* jcf-io.c: Adjust for hash_table changes.
gcc/lto/
* lto.c: Adjust for hash_table changes.
gcc/objc/
* objc-act.c: Adjust for hash_table changes.
From-SVN: r222213
2015-04-18 20:13:18 +02:00
|
|
|
biv_entry_hasher::hash (const biv_entry *b)
|
2013-04-26 02:28:35 +02:00
|
|
|
{
|
|
|
|
return b->regno;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Compares biv B and register R. */
|
|
|
|
|
|
|
|
inline bool
|
remove need for store_values_directly
This switches all hash_table users to use the layout that stores
elements of type value_type in the hash table instead of the one storing
value_type *. Since it becomes unused support for the value_type *
layout is removed.
gcc/
* hash-table.h: Remove version of hash_table that stored value_type *.
* asan.c, attribs.c, bitmap.c, cfg.c, cgraph.h, config/arm/arm.c,
config/i386/winnt.c, config/ia64/ia64.c, config/mips/mips.c,
config/sol2.c, coverage.c, cselib.c, dse.c, dwarf2cfi.c,
dwarf2out.c, except.c, gcse.c, genmatch.c, ggc-common.c,
gimple-ssa-strength-reduction.c, gimplify.c, haifa-sched.c,
hard-reg-set.h, hash-map.h, hash-set.h, ipa-devirt.c, ipa-icf.h,
ipa-profile.c, ira-color.c, ira-costs.c, loop-invariant.c,
loop-iv.c, loop-unroll.c, lto-streamer.h, plugin.c, postreload-gcse.c,
reginfo.c, statistics.c, store-motion.c, trans-mem.c, tree-cfg.c,
tree-eh.c, tree-hasher.h, tree-into-ssa.c, tree-parloops.c,
tree-sra.c, tree-ssa-coalesce.c, tree-ssa-dom.c, tree-ssa-live.c,
tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-phiopt.c,
tree-ssa-pre.c, tree-ssa-reassoc.c, tree-ssa-sccvn.c,
tree-ssa-structalias.c, tree-ssa-tail-merge.c,
tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
valtrack.h, var-tracking.c, vtable-verify.c, vtable-verify.h: Adjust.
libcc1/
* plugin.cc: Adjust for hash_table changes.
gcc/java/
* jcf-io.c: Adjust for hash_table changes.
gcc/lto/
* lto.c: Adjust for hash_table changes.
gcc/objc/
* objc-act.c: Adjust for hash_table changes.
From-SVN: r222213
2015-04-18 20:13:18 +02:00
|
|
|
biv_entry_hasher::equal (const biv_entry *b, const rtx_def *r)
|
2013-04-26 02:28:35 +02:00
|
|
|
{
|
|
|
|
return b->regno == REGNO (r);
|
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* Bivs of the current loop. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
Remove a layer of indirection from hash_table
gcc/
* hash-table.h: Remove a layer of indirection from hash_table so that
it contains the hash table's data instead of a pointer to the data.
* alloc-pool.c, asan.c, attribs.c, bitmap.c, cfg.c,
config/arm/arm.c, config/i386/winnt.c, config/ia64/ia64.c,
config/mips/mips.c, config/sol2.c, coverage.c, cselib.c,
data-streamer-out.c, dse.c, dwarf2cfi.c, dwarf2out.c, except.c,
fold-const.c, gcse.c, ggc-common.c,
gimple-ssa-strength-reduction.c, gimplify.c,
graphite-clast-to-gimple.c, graphite-dependences.c,
graphite-htab.h, graphite.c, haifa-sched.c, ipa-devirt.c,
ipa-profile.c, ira-color.c, ira-costs.c, loop-invariant.c,
loop-iv.c, loop-unroll.c, lto-streamer-in.c, lto-streamer-out.c,
lto-streamer.c, lto-streamer.h, passes.c, plugin.c,
postreload-gcse.c, sese.c, statistics.c, store-motion.c,
trans-mem.c, tree-browser.c, tree-cfg.c, tree-complex.c,
tree-eh.c, tree-into-ssa.c, tree-parloops.c, tree-sra.c,
tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-dom.c,
tree-ssa-live.c, tree-ssa-loop-im.c,
tree-ssa-loop-ivopts.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
tree-ssa-reassoc.c, tree-ssa-sccvn.c, tree-ssa-strlen.c,
tree-ssa-structalias.c, tree-ssa-tail-merge.c,
tree-ssa-threadupdate.c, tree-ssa-uncprop.c,
tree-vect-data-refs.c, tree-vect-loop.c, tree-vectorizer.c,
tree-vectorizer.h, valtrack.c, valtrack.h, var-tracking.c,
vtable-verify.c, vtable-verify.h: Adjust.
gcc/c/
* c-decl.c: Adjust.
gcc/cp/
* class.c, semantics.c, tree.c, vtable-class-hierarchy.c:
Adjust.
gcc/java/
* jcf-io.c: Adjust.
gcc/lto/
* lto.c: Adjust.
gcc/objc/
* objc-act.c: Adjust.
From-SVN: r211936
2014-06-24 15:21:35 +02:00
|
|
|
static hash_table<biv_entry_hasher> *bivs;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2014-08-22 20:12:28 +02:00
|
|
|
static bool iv_analyze_op (rtx_insn *, rtx, struct rtx_iv *);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2012-06-17 23:04:41 +02:00
|
|
|
/* Return the RTX code corresponding to the IV extend code EXTEND. */
|
|
|
|
static inline enum rtx_code
|
|
|
|
iv_extend_to_rtx_code (enum iv_extend_code extend)
|
|
|
|
{
|
|
|
|
switch (extend)
|
|
|
|
{
|
|
|
|
case IV_SIGN_EXTEND:
|
|
|
|
return SIGN_EXTEND;
|
|
|
|
case IV_ZERO_EXTEND:
|
|
|
|
return ZERO_EXTEND;
|
|
|
|
case IV_UNKNOWN_EXTEND:
|
|
|
|
return UNKNOWN;
|
|
|
|
}
|
|
|
|
gcc_unreachable ();
|
|
|
|
}
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
/* Dumps information about IV to FILE. */
|
|
|
|
|
|
|
|
extern void dump_iv_info (FILE *, struct rtx_iv *);
|
|
|
|
void
|
|
|
|
dump_iv_info (FILE *file, struct rtx_iv *iv)
|
|
|
|
{
|
|
|
|
if (!iv->base)
|
|
|
|
{
|
|
|
|
fprintf (file, "not simple");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2004-08-06 11:40:39 +02:00
|
|
|
if (iv->step == const0_rtx
|
|
|
|
&& !iv->first_special)
|
|
|
|
fprintf (file, "invariant ");
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
print_rtl (file, iv->base);
|
2004-08-06 11:40:39 +02:00
|
|
|
if (iv->step != const0_rtx)
|
|
|
|
{
|
|
|
|
fprintf (file, " + ");
|
|
|
|
print_rtl (file, iv->step);
|
|
|
|
fprintf (file, " * iteration");
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
fprintf (file, " (in %s)", GET_MODE_NAME (iv->mode));
|
|
|
|
|
|
|
|
if (iv->mode != iv->extend_mode)
|
|
|
|
fprintf (file, " %s to %s",
|
2012-06-17 23:04:41 +02:00
|
|
|
rtx_name[iv_extend_to_rtx_code (iv->extend)],
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
GET_MODE_NAME (iv->extend_mode));
|
|
|
|
|
|
|
|
if (iv->mult != const1_rtx)
|
|
|
|
{
|
|
|
|
fprintf (file, " * ");
|
|
|
|
print_rtl (file, iv->mult);
|
|
|
|
}
|
|
|
|
if (iv->delta != const0_rtx)
|
|
|
|
{
|
|
|
|
fprintf (file, " + ");
|
|
|
|
print_rtl (file, iv->delta);
|
|
|
|
}
|
|
|
|
if (iv->first_special)
|
|
|
|
fprintf (file, " (first special)");
|
|
|
|
}
|
|
|
|
|
2009-02-21 17:48:05 +01:00
|
|
|
/* Generates a subreg to get the least significant part of EXPR (in mode
|
|
|
|
INNER_MODE) to OUTER_MODE. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2009-02-21 17:48:05 +01:00
|
|
|
rtx
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
lowpart_subreg (machine_mode outer_mode, rtx expr,
|
|
|
|
machine_mode inner_mode)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
2009-02-21 17:48:05 +01:00
|
|
|
return simplify_gen_subreg (outer_mode, expr, inner_mode,
|
|
|
|
subreg_lowpart_offset (outer_mode, inner_mode));
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
2009-11-25 11:55:54 +01:00
|
|
|
static void
|
2007-06-11 20:02:15 +02:00
|
|
|
check_iv_ref_table_size (void)
|
|
|
|
{
|
alloc-pool.c, [...]: Add missing whitespace before "(".
gcc/
* alloc-pool.c, asan.c, auto-inc-dec.c, basic-block.h, bb-reorder.c,
bitmap.c, bitmap.h, bt-load.c, builtins.c, calls.c, cfgcleanup.c,
cfgexpand.c, cfghooks.c, cfgloop.c, cfgloopmanip.c, cfgrtl.c, cgraph.c,
cgraph.h, cgraphbuild.c, cgraphclones.c, cgraphunit.c, collect2.c,
combine-stack-adj.c, combine.c, compare-elim.c, context.c, context.h,
cprop.c, cse.c, cselib.c, dbxout.c, dce.c, defaults.h, df-core.c,
df-problems.c, df-scan.c, df.h, diagnostic.c, double-int.c, dse.c,
dumpfile.c, dwarf2asm.c, dwarf2cfi.c, dwarf2out.c, emit-rtl.c,
errors.c, except.c, expmed.c, expr.c, file-find.c, final.c,
fixed-value.c, fold-const.c, function.c, fwprop.c, gcc-ar.c, gcc.c,
gcov-io.c, gcov-io.h, gcov.c, gcse.c, genattr-common.c, genattr.c,
genattrtab.c, genautomata.c, genconfig.c, genemit.c, genextract.c,
genflags.c, gengenrtl.c, gengtype-state.c, gengtype.c, genmodes.c,
genopinit.c, genoutput.c, genpeep.c, genpreds.c, genrecog.c,
gensupport.c, ggc-common.c, ggc-page.c, gimple-fold.c, gimple-low.c,
gimple-pretty-print.c, gimple-ssa-strength-reduction.c, gimple.c,
gimple.h, godump.c, graphite-clast-to-gimple.c,
graphite-optimize-isl.c, graphite-poly.h, graphite-sese-to-poly.c,
graphite.c, haifa-sched.c, hash-table.c, hash-table.h, hwint.c,
hwint.h, ifcvt.c, incpath.c, init-regs.c, input.h, intl.c, intl.h,
ipa-cp.c, ipa-devirt.c, ipa-inline-analysis.c, ipa-inline.c,
ipa-profile.c, ipa-pure-const.c, ipa-reference.c, ipa-split.c,
ipa-utils.c, ipa.c, ira-build.c, ira.c, jump.c, loop-doloop.c,
loop-init.c, loop-invariant.c, loop-iv.c, lower-subreg.c, lto-cgraph.c,
lto-streamer-in.c, lto-streamer-out.c, lto-wrapper.c, mcf.c,
mode-switching.c, modulo-sched.c, omp-low.c, optabs.c, opts.c,
pass_manager.h, passes.c, plugin.c, postreload-gcse.c, postreload.c,
predict.c, prefix.c, pretty-print.c, print-rtl.c, print-tree.c,
profile.c, read-md.c, real.c, real.h, recog.c, ree.c, reg-stack.c,
regcprop.c, reginfo.c, regmove.c, regrename.c, regs.h, regstat.c,
reload1.c, reorg.c, rtl.c, rtl.h, rtlanal.c, sbitmap.c, sched-rgn.c,
sdbout.c, sel-sched-ir.c, sel-sched.c, sparseset.c, stack-ptr-mod.c,
statistics.c, stmt.c, stor-layout.c, store-motion.c, streamer-hooks.h,
system.h, target-hooks-macros.h, targhooks.c, targhooks.h, toplev.c,
tracer.c, trans-mem.c, tree-browser.c, tree-call-cdce.c, tree-cfg.c,
tree-cfgcleanup.c, tree-complex.c, tree-data-ref.c, tree-data-ref.h,
tree-eh.c, tree-emutls.c, tree-flow.h, tree-if-conv.c, tree-into-ssa.c,
tree-iterator.c, tree-loop-distribution.c, tree-mudflap.c,
tree-nested.c, tree-nomudflap.c, tree-nrv.c, tree-object-size.c,
tree-optimize.c, tree-pass.h, tree-pretty-print.c, tree-profile.c,
tree-scalar-evolution.c, tree-sra.c, tree-ssa-ccp.c,
tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-copyrename.c,
tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c,
tree-ssa-ifcombine.c, tree-ssa-live.c, tree-ssa-loop-ch.c,
tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-loop-prefetch.c,
tree-ssa-loop.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
tree-ssa-phiopt.c, tree-ssa-phiprop.c, tree-ssa-pre.c,
tree-ssa-reassoc.c, tree-ssa-sink.c, tree-ssa-strlen.c,
tree-ssa-structalias.c, tree-ssa-threadedge.c, tree-ssa-threadupdate.c,
tree-ssa-uncprop.c, tree-ssa-uninit.c, tree-ssa.c, tree-ssanames.c,
tree-stdarg.c, tree-switch-conversion.c, tree-tailcall.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop-manip.c,
tree-vect-stmts.c, tree-vectorizer.c, tree-vectorizer.h, tree-vrp.c,
tree.c, tree.h, tsan.c, tsystem.h, value-prof.c, var-tracking.c,
varasm.c, vec.h, vmsdbgout.c, vtable-verify.c, web.c: Add missing
whitespace before "(".
From-SVN: r203004
2013-09-28 10:42:34 +02:00
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if (iv_ref_table_size < DF_DEFS_TABLE_SIZE ())
|
2007-06-11 20:02:15 +02:00
|
|
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{
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unsigned int new_size = DF_DEFS_TABLE_SIZE () + (DF_DEFS_TABLE_SIZE () / 4);
|
driver-i386.c (detect_caches_amd, [...]): Fix -Wc++-compat and/or -Wcast-qual warnings.
* config/i386/driver-i386.c (detect_caches_amd,
detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
and/or -Wcast-qual warnings.
*ggc-common.c (ggc_mark_roots, gt_pch_note_object,
gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
gt_pch_save): Likewise.
* ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
* global.c (compute_regsets): Likewise.
* graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
finish_graph_dump_file): Likewise.
* haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
unlink_bb_notes): Likewise.
* integrate.c (get_hard_reg_initial_val): Likewise.
* ipa-prop.c (ipa_push_func_to_list): Likewise.
* ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
* local-alloc.c (update_equiv_regs): Likewise.
* loop-invariant.c (check_invariant_table_size,
hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
Likewise.
* loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
altered_reg_used, mark_altered): Likewise.
* loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
insert_var_expansion_initialization,
combine_var_copies_in_loop_exit, apply_opt_in_copies,
release_var_copies): Likewise.
* matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
analyze_matrix_decl, add_allocation_site, analyze_transpose,
analyze_accesses_for_phi_node, check_var_notmodified_p,
check_allocation_function, find_sites_in_func,
record_all_accesses_in_func, transform_access_sites,
transform_allocation_sites): Likewise.
* omp-low.c (new_omp_region, create_omp_child_function_name,
check_omp_nesting_restrictions, check_combined_parallel,
lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
* optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
Likewise.
* opts-common.c (prune_options): Likewise.
* opts.c (add_input_filename, print_filtered_help,
get_option_state): Likewise.
* params.c (add_params): Likewise.
* passes.c (set_pass_for_id, next_pass_1,
do_per_function_toporder, pass_fini_dump_file): Likewise.
* postreload.c (reload_cse_simplify_operands): Likewise.
* predict.c (tree_predicted_by_p, tree_predict_edge,
clear_bb_predictions, combine_predictions_for_bb): Likewise.
From-SVN: r137134
2008-06-26 02:18:25 +02:00
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iv_ref_table = XRESIZEVEC (struct rtx_iv *, iv_ref_table, new_size);
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2009-11-25 11:55:54 +01:00
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memset (&iv_ref_table[iv_ref_table_size], 0,
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2007-06-11 20:02:15 +02:00
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(new_size - iv_ref_table_size) * sizeof (struct rtx_iv *));
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iv_ref_table_size = new_size;
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}
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}
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loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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/* Checks whether REG is a well-behaved register. */
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static bool
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simple_reg_p (rtx reg)
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{
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unsigned r;
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if (GET_CODE (reg) == SUBREG)
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{
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if (!subreg_lowpart_p (reg))
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return false;
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reg = SUBREG_REG (reg);
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}
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if (!REG_P (reg))
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return false;
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r = REGNO (reg);
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if (HARD_REGISTER_NUM_P (r))
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return false;
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if (GET_MODE_CLASS (GET_MODE (reg)) != MODE_INT)
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return false;
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return true;
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}
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loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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|
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/* Clears the information about ivs stored in df. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
static void
|
|
|
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clear_iv_info (void)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
2007-06-11 20:02:15 +02:00
|
|
|
unsigned i, n_defs = DF_DEFS_TABLE_SIZE ();
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
struct rtx_iv *iv;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2007-06-11 20:02:15 +02:00
|
|
|
check_iv_ref_table_size ();
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
for (i = 0; i < n_defs; i++)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
2007-06-11 20:02:15 +02:00
|
|
|
iv = iv_ref_table[i];
|
|
|
|
if (iv)
|
|
|
|
{
|
|
|
|
free (iv);
|
|
|
|
iv_ref_table[i] = NULL;
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
Remove a layer of indirection from hash_table
gcc/
* hash-table.h: Remove a layer of indirection from hash_table so that
it contains the hash table's data instead of a pointer to the data.
* alloc-pool.c, asan.c, attribs.c, bitmap.c, cfg.c,
config/arm/arm.c, config/i386/winnt.c, config/ia64/ia64.c,
config/mips/mips.c, config/sol2.c, coverage.c, cselib.c,
data-streamer-out.c, dse.c, dwarf2cfi.c, dwarf2out.c, except.c,
fold-const.c, gcse.c, ggc-common.c,
gimple-ssa-strength-reduction.c, gimplify.c,
graphite-clast-to-gimple.c, graphite-dependences.c,
graphite-htab.h, graphite.c, haifa-sched.c, ipa-devirt.c,
ipa-profile.c, ira-color.c, ira-costs.c, loop-invariant.c,
loop-iv.c, loop-unroll.c, lto-streamer-in.c, lto-streamer-out.c,
lto-streamer.c, lto-streamer.h, passes.c, plugin.c,
postreload-gcse.c, sese.c, statistics.c, store-motion.c,
trans-mem.c, tree-browser.c, tree-cfg.c, tree-complex.c,
tree-eh.c, tree-into-ssa.c, tree-parloops.c, tree-sra.c,
tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-dom.c,
tree-ssa-live.c, tree-ssa-loop-im.c,
tree-ssa-loop-ivopts.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
tree-ssa-reassoc.c, tree-ssa-sccvn.c, tree-ssa-strlen.c,
tree-ssa-structalias.c, tree-ssa-tail-merge.c,
tree-ssa-threadupdate.c, tree-ssa-uncprop.c,
tree-vect-data-refs.c, tree-vect-loop.c, tree-vectorizer.c,
tree-vectorizer.h, valtrack.c, valtrack.h, var-tracking.c,
vtable-verify.c, vtable-verify.h: Adjust.
gcc/c/
* c-decl.c: Adjust.
gcc/cp/
* class.c, semantics.c, tree.c, vtable-class-hierarchy.c:
Adjust.
gcc/java/
* jcf-io.c: Adjust.
gcc/lto/
* lto.c: Adjust.
gcc/objc/
* objc-act.c: Adjust.
From-SVN: r211936
2014-06-24 15:21:35 +02:00
|
|
|
bivs->empty ();
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Prepare the data for an induction variable analysis of a LOOP. */
|
|
|
|
|
|
|
|
void
|
|
|
|
iv_analysis_loop_init (struct loop *loop)
|
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
current_loop = loop;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* Clear the information from the analysis of the previous loop. */
|
2007-06-11 20:02:15 +02:00
|
|
|
if (clean_slate)
|
2006-01-25 00:37:25 +01:00
|
|
|
{
|
2007-06-11 20:02:15 +02:00
|
|
|
df_set_flags (DF_EQ_NOTES + DF_DEFER_INSN_RESCAN);
|
Remove a layer of indirection from hash_table
gcc/
* hash-table.h: Remove a layer of indirection from hash_table so that
it contains the hash table's data instead of a pointer to the data.
* alloc-pool.c, asan.c, attribs.c, bitmap.c, cfg.c,
config/arm/arm.c, config/i386/winnt.c, config/ia64/ia64.c,
config/mips/mips.c, config/sol2.c, coverage.c, cselib.c,
data-streamer-out.c, dse.c, dwarf2cfi.c, dwarf2out.c, except.c,
fold-const.c, gcse.c, ggc-common.c,
gimple-ssa-strength-reduction.c, gimplify.c,
graphite-clast-to-gimple.c, graphite-dependences.c,
graphite-htab.h, graphite.c, haifa-sched.c, ipa-devirt.c,
ipa-profile.c, ira-color.c, ira-costs.c, loop-invariant.c,
loop-iv.c, loop-unroll.c, lto-streamer-in.c, lto-streamer-out.c,
lto-streamer.c, lto-streamer.h, passes.c, plugin.c,
postreload-gcse.c, sese.c, statistics.c, store-motion.c,
trans-mem.c, tree-browser.c, tree-cfg.c, tree-complex.c,
tree-eh.c, tree-into-ssa.c, tree-parloops.c, tree-sra.c,
tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-dom.c,
tree-ssa-live.c, tree-ssa-loop-im.c,
tree-ssa-loop-ivopts.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
tree-ssa-reassoc.c, tree-ssa-sccvn.c, tree-ssa-strlen.c,
tree-ssa-structalias.c, tree-ssa-tail-merge.c,
tree-ssa-threadupdate.c, tree-ssa-uncprop.c,
tree-vect-data-refs.c, tree-vect-loop.c, tree-vectorizer.c,
tree-vectorizer.h, valtrack.c, valtrack.h, var-tracking.c,
vtable-verify.c, vtable-verify.h: Adjust.
gcc/c/
* c-decl.c: Adjust.
gcc/cp/
* class.c, semantics.c, tree.c, vtable-class-hierarchy.c:
Adjust.
gcc/java/
* jcf-io.c: Adjust.
gcc/lto/
* lto.c: Adjust.
gcc/objc/
* objc-act.c: Adjust.
From-SVN: r211936
2014-06-24 15:21:35 +02:00
|
|
|
bivs = new hash_table<biv_entry_hasher> (10);
|
2007-06-11 20:02:15 +02:00
|
|
|
clean_slate = false;
|
2006-01-25 00:37:25 +01:00
|
|
|
}
|
|
|
|
else
|
|
|
|
clear_iv_info ();
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2007-06-11 20:02:15 +02:00
|
|
|
/* Get rid of the ud chains before processing the rescans. Then add
|
|
|
|
the problem back. */
|
|
|
|
df_remove_problem (df_chain);
|
|
|
|
df_process_deferred_rescans ();
|
bitmap.h (bitmap_and_into): Update prototype.
* bitmap.h (bitmap_and_into): Update prototype.
* bitmap.c (bitmap_and_into): Return true if the target bitmap
changed, false otherwise.
* df.h (df_dump_insn_problem_function): New function type.
(struct df_problem): Add two functions, to dump just before and
just after an insn.
(DF_RD_PRUNE_DEAD_DEFS): New changable flag.
(df_dump_insn_top, df_dump_insn_bottom): New prototypes.
* df-core (df_dump_region): Use dump_bb.
(df_dump_bb_problem_data): New function.
(df_dump_top, df_dump_bottom): Rewrite using df_dump_bb_problem_data.
(df_dump_insn_problem_data): New function.
(df_dump_insn_top, df_dump_insn_bottom): New functions.
* df-scan.c (problem_SCAN): Add NULL fields for new members.
* df-problems.c (df_rd_local_compute): Ignore hard registers if
DF_NO_HARD_REGS is in effect.
(df_rd_transfer_function): If DF_RD_PRUNE_DEAD_DEFS is in effect,
prune reaching defs using the LR problem.
(df_rd_start_dump): Fix dumping of DEFs map.
(df_rd_dump_defs_set): New function.
(df_rd_top_dump, df_rd_bottom_dump): Use it.
(problem_RD): Add NULL fields for new members.
(problem_LR, problem_LIVE): Likewise.
(df_chain_bb_dump): New function.
(df_chain_top_dump): Dump only for artificial DEFs and USEs,
using df_chain_bb_dump.
(df_chain_bottom_dump): Likewise.
(df_chain_insn_top_dump, df_chain_insn_bottom_dump): New functions.
(problem_CHAIN): Add them as new members.
(problem_WORD_LR, problem_NOTE): Add NULL fields for new members.
(problem_MD): Likewise.
* cfgrtl.c (rtl_dump_bb): Use df_dump_insn_top and df_dump_insn_bottom.
(print_rtl_with_bb): Likewise.
* dce.c (init_dce): Use DF_RD_PRUNE_DEAD_DEFS.
* loop-invariant.c (find_defs): Likewise.
* loop-iv.c (iv_analysis_loop_init): Likewise.
* ree.c (find_and_remove_re): Likewise.
* web.c (web_main): Likewise.
From-SVN: r192213
2012-10-08 17:33:58 +02:00
|
|
|
df_set_flags (DF_RD_PRUNE_DEAD_DEFS);
|
2007-06-11 20:02:15 +02:00
|
|
|
df_chain_add_problem (DF_UD_CHAIN);
|
2009-07-24 06:01:13 +02:00
|
|
|
df_note_add_problem ();
|
2014-01-17 11:47:59 +01:00
|
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df_analyze_loop (loop);
|
2007-06-11 20:02:15 +02:00
|
|
|
if (dump_file)
|
2007-08-30 19:38:25 +02:00
|
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df_dump_region (dump_file);
|
2007-06-11 20:02:15 +02:00
|
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|
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check_iv_ref_table_size ();
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
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}
|
|
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|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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/* Finds the definition of REG that dominates loop latch and stores
|
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it to DEF. Returns false if there is not a single definition
|
2015-01-20 09:29:09 +01:00
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dominating the latch. If REG has no definition in loop, DEF
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
is set to NULL and true is returned. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
static bool
|
re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
|
|
|
latch_dominating_def (rtx reg, df_ref *def)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
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re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
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df_ref single_rd = NULL, adef;
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2015-01-20 09:29:09 +01:00
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unsigned regno = REGNO (reg);
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2007-06-11 20:02:15 +02:00
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struct df_rd_bb_info *bb_info = DF_RD_BB_INFO (current_loop->latch);
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loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
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for (adef = DF_REG_DEF_CHAIN (regno); adef; adef = DF_REF_NEXT_REG (adef))
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loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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{
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re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
|
|
|
if (!bitmap_bit_p (df->blocks_to_analyze, DF_REF_BBNO (adef))
|
df.h (df_rd_bb_info, [...]): Embedd bitmap_head into the structure.
* df.h (df_rd_bb_info, df_md_bb_info, df_lr_bb_info, df_live_bb_info,
df_byte_lr_bb_info): Embedd bitmap_head into the structure.
(DF_LIVE_IN, DF_LIVE_OUT, DF_LR_IN, DF_LR_OUT, DF_BYTE_LR_IN,
DF_BYTE_LR_OUT): Update for embedded bitmaps.
* fwprop.c (single_def_use_enter_block): Likewise.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps): Likewise.
* loop-iv.c (latch_dominating_def): Likewise.
* df-problems.c (df_rd_free_bb_info, df_rd_alloc,
df_rd_bb_local_compute_process_def, df_rd_bb_local_compute_process_def,
df_rd_init_solution, df_rd_init_solution, df_rd_transfer_function,
df_rd_transfer_function, df_rd_top_dump,
df_rd_bottom_dump): Update.
(df_lr_free_bb_info, df_lr_alloc, df_lr_reset, df_lr_bb_local_compute,
df_lr_bb_local_compute, df_lr_bb_local_compute, df_lr_bb_local_compute,
df_lr_bb_local_compute, df_lr_local_compute, df_lr_init, df_lr_init,
df_lr_confluence_0, df_lr_free, df_lr_top_dump, df_lr_bottom_dump,
df_lr_verify_solution_start, df_lr_verify_solution_end,
df_lr_verify_transfer_functions, df_lr_verify_transfer_functions,
df_live_free_bb_info, df_live_alloc, df_live_reset,
df_live_bb_local_compute, df_live_init, df_live_transfer_function,
df_live_finalize, df_live_free, df_live_top_dump, df_live_bottom_dump,
df_live_verify_solution_start, df_live_verify_solution_end,
df_live_verify_transfer_functions, df_chain_create_bb,
df_byte_lr_free_bb_info, df_byte_lr_alloc, df_byte_lr_reset,
df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
df_byte_lr_bb_local_compute, df_byte_lr_local_compute, df_byte_lr_init,
df_byte_lr_confluence_0, df_byte_lr_confluence_n,
df_byte_lr_transfer_function, df_byte_lr_top_dump,
df_byte_lr_bottom_dump, df_create_unused_note,
df_note_bb_compute, df_md_free_bb_info, df_md_alloc,
df_md_bb_local_compute_process_def, df_md_local_compute, df_md_reset,
df_md_transfer_function, df_md_init, df_md_confluence_0,
df_md_confluence_n,
df_md_top_dump, df_md_bottom_dump): Update. (struct df_lr_problem_data):
Embedd bitmap headers.
From-SVN: r160268
2010-06-04 16:27:50 +02:00
|
|
|
|| !bitmap_bit_p (&bb_info->out, DF_REF_ID (adef)))
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
continue;
|
|
|
|
|
2015-01-20 09:29:09 +01:00
|
|
|
/* More than one reaching definition. */
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (single_rd)
|
2015-01-20 09:29:09 +01:00
|
|
|
return false;
|
|
|
|
|
|
|
|
if (!just_once_each_iteration_p (current_loop, DF_REF_BB (adef)))
|
|
|
|
return false;
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
|
|
|
|
single_rd = adef;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
*def = single_rd;
|
|
|
|
return true;
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* Gets definition of REG reaching its use in INSN and stores it to DEF. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
static enum iv_grd_result
|
2014-08-22 20:12:28 +02:00
|
|
|
iv_get_reaching_def (rtx_insn *insn, rtx reg, df_ref *def)
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
{
|
2015-01-20 09:29:09 +01:00
|
|
|
df_ref use, adef;
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
basic_block def_bb, use_bb;
|
2014-08-22 20:12:28 +02:00
|
|
|
rtx_insn *def_insn;
|
2015-01-20 09:29:09 +01:00
|
|
|
bool dom_p;
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
*def = NULL;
|
|
|
|
if (!simple_reg_p (reg))
|
|
|
|
return GRD_INVALID;
|
|
|
|
if (GET_CODE (reg) == SUBREG)
|
|
|
|
reg = SUBREG_REG (reg);
|
|
|
|
gcc_assert (REG_P (reg));
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2007-06-11 20:02:15 +02:00
|
|
|
use = df_find_use (insn, reg);
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
gcc_assert (use != NULL);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (!DF_REF_CHAIN (use))
|
|
|
|
return GRD_INVARIANT;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2015-01-20 09:29:09 +01:00
|
|
|
/* More than one reaching def. */
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (DF_REF_CHAIN (use)->next)
|
2015-01-20 09:29:09 +01:00
|
|
|
return GRD_INVALID;
|
2015-01-19 14:58:54 +01:00
|
|
|
|
2015-01-20 09:29:09 +01:00
|
|
|
adef = DF_REF_CHAIN (use)->ref;
|
2007-06-20 08:56:26 +02:00
|
|
|
|
|
|
|
/* We do not handle setting only part of the register. */
|
re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
|
|
|
if (DF_REF_FLAGS (adef) & DF_REF_READ_WRITE)
|
2007-06-20 08:56:26 +02:00
|
|
|
return GRD_INVALID;
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
def_insn = DF_REF_INSN (adef);
|
|
|
|
def_bb = DF_REF_BB (adef);
|
|
|
|
use_bb = BLOCK_FOR_INSN (insn);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (use_bb == def_bb)
|
2007-06-11 20:02:15 +02:00
|
|
|
dom_p = (DF_INSN_LUID (def_insn) < DF_INSN_LUID (insn));
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
else
|
|
|
|
dom_p = dominated_by_p (CDI_DOMINATORS, use_bb, def_bb);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (dom_p)
|
|
|
|
{
|
|
|
|
*def = adef;
|
|
|
|
return GRD_SINGLE_DOM;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
|
|
|
|
/* The definition does not dominate the use. This is still OK if
|
|
|
|
this may be a use of a biv, i.e. if the def_bb dominates loop
|
2015-01-20 09:29:09 +01:00
|
|
|
latch. */
|
|
|
|
if (just_once_each_iteration_p (current_loop, def_bb))
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
return GRD_MAYBE_BIV;
|
|
|
|
|
|
|
|
return GRD_INVALID;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Sets IV to invariant CST in MODE. Always returns true (just for
|
|
|
|
consistency with other iv manipulation functions that may fail). */
|
|
|
|
|
|
|
|
static bool
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
iv_constant (struct rtx_iv *iv, rtx cst, machine_mode mode)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
if (mode == VOIDmode)
|
|
|
|
mode = GET_MODE (cst);
|
|
|
|
|
|
|
|
iv->mode = mode;
|
|
|
|
iv->base = cst;
|
|
|
|
iv->step = const0_rtx;
|
|
|
|
iv->first_special = false;
|
2012-06-17 23:04:41 +02:00
|
|
|
iv->extend = IV_UNKNOWN_EXTEND;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
iv->extend_mode = iv->mode;
|
|
|
|
iv->delta = const0_rtx;
|
|
|
|
iv->mult = const1_rtx;
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Evaluates application of subreg to MODE on IV. */
|
|
|
|
|
|
|
|
static bool
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
iv_subreg (struct rtx_iv *iv, machine_mode mode)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
2004-08-06 11:40:39 +02:00
|
|
|
/* If iv is invariant, just calculate the new value. */
|
|
|
|
if (iv->step == const0_rtx
|
|
|
|
&& !iv->first_special)
|
|
|
|
{
|
|
|
|
rtx val = get_iv_value (iv, const0_rtx);
|
2013-11-05 20:37:51 +01:00
|
|
|
val = lowpart_subreg (mode, val,
|
|
|
|
iv->extend == IV_UNKNOWN_EXTEND
|
|
|
|
? iv->mode : iv->extend_mode);
|
2004-08-06 11:40:39 +02:00
|
|
|
|
|
|
|
iv->base = val;
|
2012-06-17 23:04:41 +02:00
|
|
|
iv->extend = IV_UNKNOWN_EXTEND;
|
2004-08-06 11:40:39 +02:00
|
|
|
iv->mode = iv->extend_mode = mode;
|
|
|
|
iv->delta = const0_rtx;
|
|
|
|
iv->mult = const1_rtx;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
if (iv->extend_mode == mode)
|
|
|
|
return true;
|
|
|
|
|
|
|
|
if (GET_MODE_BITSIZE (mode) > GET_MODE_BITSIZE (iv->mode))
|
|
|
|
return false;
|
|
|
|
|
2012-06-17 23:04:41 +02:00
|
|
|
iv->extend = IV_UNKNOWN_EXTEND;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
iv->mode = mode;
|
|
|
|
|
|
|
|
iv->base = simplify_gen_binary (PLUS, iv->extend_mode, iv->delta,
|
|
|
|
simplify_gen_binary (MULT, iv->extend_mode,
|
|
|
|
iv->base, iv->mult));
|
|
|
|
iv->step = simplify_gen_binary (MULT, iv->extend_mode, iv->step, iv->mult);
|
|
|
|
iv->mult = const1_rtx;
|
|
|
|
iv->delta = const0_rtx;
|
|
|
|
iv->first_special = false;
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Evaluates application of EXTEND to MODE on IV. */
|
|
|
|
|
|
|
|
static bool
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
iv_extend (struct rtx_iv *iv, enum iv_extend_code extend, machine_mode mode)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
2004-08-06 11:40:39 +02:00
|
|
|
/* If iv is invariant, just calculate the new value. */
|
|
|
|
if (iv->step == const0_rtx
|
|
|
|
&& !iv->first_special)
|
|
|
|
{
|
|
|
|
rtx val = get_iv_value (iv, const0_rtx);
|
2013-11-05 20:37:51 +01:00
|
|
|
if (iv->extend_mode != iv->mode
|
|
|
|
&& iv->extend != IV_UNKNOWN_EXTEND
|
|
|
|
&& iv->extend != extend)
|
|
|
|
val = lowpart_subreg (iv->mode, val, iv->extend_mode);
|
2012-06-17 23:04:41 +02:00
|
|
|
val = simplify_gen_unary (iv_extend_to_rtx_code (extend), mode,
|
2013-11-05 20:37:51 +01:00
|
|
|
val,
|
|
|
|
iv->extend == extend
|
|
|
|
? iv->extend_mode : iv->mode);
|
2004-08-06 11:40:39 +02:00
|
|
|
iv->base = val;
|
2012-06-17 23:04:41 +02:00
|
|
|
iv->extend = IV_UNKNOWN_EXTEND;
|
2004-08-06 11:40:39 +02:00
|
|
|
iv->mode = iv->extend_mode = mode;
|
|
|
|
iv->delta = const0_rtx;
|
|
|
|
iv->mult = const1_rtx;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
if (mode != iv->extend_mode)
|
|
|
|
return false;
|
|
|
|
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv->extend != IV_UNKNOWN_EXTEND
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
&& iv->extend != extend)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
iv->extend = extend;
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Evaluates negation of IV. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
iv_neg (struct rtx_iv *iv)
|
|
|
|
{
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv->extend == IV_UNKNOWN_EXTEND)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
iv->base = simplify_gen_unary (NEG, iv->extend_mode,
|
|
|
|
iv->base, iv->extend_mode);
|
|
|
|
iv->step = simplify_gen_unary (NEG, iv->extend_mode,
|
|
|
|
iv->step, iv->extend_mode);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
iv->delta = simplify_gen_unary (NEG, iv->extend_mode,
|
|
|
|
iv->delta, iv->extend_mode);
|
|
|
|
iv->mult = simplify_gen_unary (NEG, iv->extend_mode,
|
|
|
|
iv->mult, iv->extend_mode);
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Evaluates addition or subtraction (according to OP) of IV1 to IV0. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
iv_add (struct rtx_iv *iv0, struct rtx_iv *iv1, enum rtx_code op)
|
|
|
|
{
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
machine_mode mode;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
rtx arg;
|
|
|
|
|
c-decl.c, [...]: Fix comment typos and formatting.
* c-decl.c, c-ppoutput.c, combine.c, cppfiles.c, dwarf2out.c,
expr.c, fold-const.c, gcc.c, haifa-sched.c, loop-iv.c,
params.def, read-rtl.c, rtl.c, rtlanal.c, toplev.c: Fix
comment typos and formatting. Follow spelling conventions.
From-SVN: r78555
2004-02-27 08:09:43 +01:00
|
|
|
/* Extend the constant to extend_mode of the other operand if necessary. */
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv0->extend == IV_UNKNOWN_EXTEND
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
&& iv0->mode == iv0->extend_mode
|
|
|
|
&& iv0->step == const0_rtx
|
|
|
|
&& GET_MODE_SIZE (iv0->extend_mode) < GET_MODE_SIZE (iv1->extend_mode))
|
|
|
|
{
|
|
|
|
iv0->extend_mode = iv1->extend_mode;
|
|
|
|
iv0->base = simplify_gen_unary (ZERO_EXTEND, iv0->extend_mode,
|
|
|
|
iv0->base, iv0->mode);
|
|
|
|
}
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv1->extend == IV_UNKNOWN_EXTEND
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
&& iv1->mode == iv1->extend_mode
|
|
|
|
&& iv1->step == const0_rtx
|
|
|
|
&& GET_MODE_SIZE (iv1->extend_mode) < GET_MODE_SIZE (iv0->extend_mode))
|
|
|
|
{
|
|
|
|
iv1->extend_mode = iv0->extend_mode;
|
|
|
|
iv1->base = simplify_gen_unary (ZERO_EXTEND, iv1->extend_mode,
|
|
|
|
iv1->base, iv1->mode);
|
|
|
|
}
|
|
|
|
|
|
|
|
mode = iv0->extend_mode;
|
|
|
|
if (mode != iv1->extend_mode)
|
|
|
|
return false;
|
|
|
|
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv0->extend == IV_UNKNOWN_EXTEND
|
|
|
|
&& iv1->extend == IV_UNKNOWN_EXTEND)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
if (iv0->mode != iv1->mode)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
iv0->base = simplify_gen_binary (op, mode, iv0->base, iv1->base);
|
|
|
|
iv0->step = simplify_gen_binary (op, mode, iv0->step, iv1->step);
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Handle addition of constant. */
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv1->extend == IV_UNKNOWN_EXTEND
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
&& iv1->mode == mode
|
|
|
|
&& iv1->step == const0_rtx)
|
|
|
|
{
|
|
|
|
iv0->delta = simplify_gen_binary (op, mode, iv0->delta, iv1->base);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv0->extend == IV_UNKNOWN_EXTEND
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
&& iv0->mode == mode
|
|
|
|
&& iv0->step == const0_rtx)
|
|
|
|
{
|
|
|
|
arg = iv0->base;
|
|
|
|
*iv0 = *iv1;
|
|
|
|
if (op == MINUS
|
|
|
|
&& !iv_neg (iv0))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
iv0->delta = simplify_gen_binary (PLUS, mode, iv0->delta, arg);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Evaluates multiplication of IV by constant CST. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
iv_mult (struct rtx_iv *iv, rtx mby)
|
|
|
|
{
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
machine_mode mode = iv->extend_mode;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
if (GET_MODE (mby) != VOIDmode
|
|
|
|
&& GET_MODE (mby) != mode)
|
|
|
|
return false;
|
|
|
|
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv->extend == IV_UNKNOWN_EXTEND)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
iv->base = simplify_gen_binary (MULT, mode, iv->base, mby);
|
|
|
|
iv->step = simplify_gen_binary (MULT, mode, iv->step, mby);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
iv->delta = simplify_gen_binary (MULT, mode, iv->delta, mby);
|
|
|
|
iv->mult = simplify_gen_binary (MULT, mode, iv->mult, mby);
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2004-06-24 18:50:35 +02:00
|
|
|
/* Evaluates shift of IV by constant CST. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
iv_shift (struct rtx_iv *iv, rtx mby)
|
|
|
|
{
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
machine_mode mode = iv->extend_mode;
|
2004-06-24 18:50:35 +02:00
|
|
|
|
|
|
|
if (GET_MODE (mby) != VOIDmode
|
|
|
|
&& GET_MODE (mby) != mode)
|
|
|
|
return false;
|
|
|
|
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv->extend == IV_UNKNOWN_EXTEND)
|
2004-06-24 18:50:35 +02:00
|
|
|
{
|
|
|
|
iv->base = simplify_gen_binary (ASHIFT, mode, iv->base, mby);
|
|
|
|
iv->step = simplify_gen_binary (ASHIFT, mode, iv->step, mby);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
iv->delta = simplify_gen_binary (ASHIFT, mode, iv->delta, mby);
|
|
|
|
iv->mult = simplify_gen_binary (ASHIFT, mode, iv->mult, mby);
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
/* The recursive part of get_biv_step. Gets the value of the single value
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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defined by DEF wrto initial value of REG inside loop, in shape described
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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at get_biv_step. */
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static bool
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re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
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get_biv_step_1 (df_ref def, rtx reg,
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decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
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rtx *inner_step, machine_mode *inner_mode,
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enum iv_extend_code *extend, machine_mode outer_mode,
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loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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rtx *outer_step)
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{
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2005-03-09 08:13:14 +01:00
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rtx set, rhs, op0 = NULL_RTX, op1 = NULL_RTX;
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loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
rtx next, nextr, tmp;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
enum rtx_code code;
|
2014-08-22 20:12:28 +02:00
|
|
|
rtx_insn *insn = DF_REF_INSN (def);
|
re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
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df_ref next_def;
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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enum iv_grd_result res;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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|
|
|
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set = single_set (insn);
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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if (!set)
|
|
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return false;
|
|
|
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loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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rhs = find_reg_equal_equiv_note (insn);
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
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if (rhs)
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|
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rhs = XEXP (rhs, 0);
|
|
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else
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
rhs = SET_SRC (set);
|
|
|
|
|
|
|
|
code = GET_CODE (rhs);
|
|
|
|
switch (code)
|
|
|
|
{
|
|
|
|
case SUBREG:
|
|
|
|
case REG:
|
|
|
|
next = rhs;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case PLUS:
|
|
|
|
case MINUS:
|
|
|
|
op0 = XEXP (rhs, 0);
|
|
|
|
op1 = XEXP (rhs, 1);
|
|
|
|
|
|
|
|
if (code == PLUS && CONSTANT_P (op0))
|
|
|
|
{
|
|
|
|
tmp = op0; op0 = op1; op1 = tmp;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!simple_reg_p (op0)
|
|
|
|
|| !CONSTANT_P (op1))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
if (GET_MODE (rhs) != outer_mode)
|
|
|
|
{
|
|
|
|
/* ppc64 uses expressions like
|
|
|
|
|
|
|
|
(set x:SI (plus:SI (subreg:SI y:DI) 1)).
|
|
|
|
|
|
|
|
this is equivalent to
|
|
|
|
|
|
|
|
(set x':DI (plus:DI y:DI 1))
|
|
|
|
(set x:SI (subreg:SI (x':DI)). */
|
|
|
|
if (GET_CODE (op0) != SUBREG)
|
|
|
|
return false;
|
|
|
|
if (GET_MODE (SUBREG_REG (op0)) != outer_mode)
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
next = op0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SIGN_EXTEND:
|
|
|
|
case ZERO_EXTEND:
|
|
|
|
if (GET_MODE (rhs) != outer_mode)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
op0 = XEXP (rhs, 0);
|
|
|
|
if (!simple_reg_p (op0))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
next = op0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (GET_CODE (next) == SUBREG)
|
|
|
|
{
|
|
|
|
if (!subreg_lowpart_p (next))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
nextr = SUBREG_REG (next);
|
|
|
|
if (GET_MODE (nextr) != outer_mode)
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
nextr = next;
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
res = iv_get_reaching_def (insn, nextr, &next_def);
|
|
|
|
|
|
|
|
if (res == GRD_INVALID || res == GRD_INVARIANT)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return false;
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (res == GRD_MAYBE_BIV)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
if (!rtx_equal_p (nextr, reg))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
*inner_step = const0_rtx;
|
2012-06-17 23:04:41 +02:00
|
|
|
*extend = IV_UNKNOWN_EXTEND;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
*inner_mode = outer_mode;
|
|
|
|
*outer_step = const0_rtx;
|
|
|
|
}
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
else if (!get_biv_step_1 (next_def, reg,
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
inner_step, inner_mode, extend, outer_mode,
|
|
|
|
outer_step))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
if (GET_CODE (next) == SUBREG)
|
|
|
|
{
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
machine_mode amode = GET_MODE (next);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
if (GET_MODE_SIZE (amode) > GET_MODE_SIZE (*inner_mode))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
*inner_mode = amode;
|
|
|
|
*inner_step = simplify_gen_binary (PLUS, outer_mode,
|
|
|
|
*inner_step, *outer_step);
|
|
|
|
*outer_step = const0_rtx;
|
2012-06-17 23:04:41 +02:00
|
|
|
*extend = IV_UNKNOWN_EXTEND;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
switch (code)
|
|
|
|
{
|
|
|
|
case REG:
|
|
|
|
case SUBREG:
|
|
|
|
break;
|
|
|
|
|
|
|
|
case PLUS:
|
|
|
|
case MINUS:
|
|
|
|
if (*inner_mode == outer_mode
|
|
|
|
/* See comment in previous switch. */
|
|
|
|
|| GET_MODE (rhs) != outer_mode)
|
|
|
|
*inner_step = simplify_gen_binary (code, outer_mode,
|
|
|
|
*inner_step, op1);
|
|
|
|
else
|
|
|
|
*outer_step = simplify_gen_binary (code, outer_mode,
|
|
|
|
*outer_step, op1);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SIGN_EXTEND:
|
|
|
|
case ZERO_EXTEND:
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
gcc_assert (GET_MODE (op0) == *inner_mode
|
2012-06-17 23:04:41 +02:00
|
|
|
&& *extend == IV_UNKNOWN_EXTEND
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
&& *outer_step == const0_rtx);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2012-06-17 23:04:41 +02:00
|
|
|
*extend = (code == SIGN_EXTEND) ? IV_SIGN_EXTEND : IV_ZERO_EXTEND;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
return false;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Gets the operation on register REG inside loop, in shape
|
|
|
|
|
|
|
|
OUTER_STEP + EXTEND_{OUTER_MODE} (SUBREG_{INNER_MODE} (REG + INNER_STEP))
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
If the operation cannot be described in this shape, return false.
|
|
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|
LAST_DEF is the definition of REG that dominates loop latch. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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|
|
|
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static bool
|
re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
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|
|
get_biv_step (df_ref last_def, rtx reg, rtx *inner_step,
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
machine_mode *inner_mode, enum iv_extend_code *extend,
|
|
|
|
machine_mode *outer_mode, rtx *outer_step)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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{
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*outer_mode = GET_MODE (reg);
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loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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if (!get_biv_step_1 (last_def, reg,
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loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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inner_step, inner_mode, extend, *outer_mode,
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outer_step))
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return false;
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2012-06-17 23:04:41 +02:00
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gcc_assert ((*inner_mode == *outer_mode) != (*extend != IV_UNKNOWN_EXTEND));
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local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
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gcc_assert (*inner_mode != *outer_mode || *outer_step == const0_rtx);
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loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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return true;
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}
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loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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/* Records information that DEF is induction variable IV. */
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static void
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re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
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record_iv (df_ref def, struct rtx_iv *iv)
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loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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{
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2006-01-31 20:56:55 +01:00
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struct rtx_iv *recorded_iv = XNEW (struct rtx_iv);
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loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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*recorded_iv = *iv;
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2007-06-11 20:02:15 +02:00
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check_iv_ref_table_size ();
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loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
DF_REF_IV_SET (def, recorded_iv);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If DEF was already analyzed for bivness, store the description of the biv to
|
|
|
|
IV and return true. Otherwise return false. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
analyzed_for_bivness_p (rtx def, struct rtx_iv *iv)
|
|
|
|
{
|
Remove a layer of indirection from hash_table
gcc/
* hash-table.h: Remove a layer of indirection from hash_table so that
it contains the hash table's data instead of a pointer to the data.
* alloc-pool.c, asan.c, attribs.c, bitmap.c, cfg.c,
config/arm/arm.c, config/i386/winnt.c, config/ia64/ia64.c,
config/mips/mips.c, config/sol2.c, coverage.c, cselib.c,
data-streamer-out.c, dse.c, dwarf2cfi.c, dwarf2out.c, except.c,
fold-const.c, gcse.c, ggc-common.c,
gimple-ssa-strength-reduction.c, gimplify.c,
graphite-clast-to-gimple.c, graphite-dependences.c,
graphite-htab.h, graphite.c, haifa-sched.c, ipa-devirt.c,
ipa-profile.c, ira-color.c, ira-costs.c, loop-invariant.c,
loop-iv.c, loop-unroll.c, lto-streamer-in.c, lto-streamer-out.c,
lto-streamer.c, lto-streamer.h, passes.c, plugin.c,
postreload-gcse.c, sese.c, statistics.c, store-motion.c,
trans-mem.c, tree-browser.c, tree-cfg.c, tree-complex.c,
tree-eh.c, tree-into-ssa.c, tree-parloops.c, tree-sra.c,
tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-dom.c,
tree-ssa-live.c, tree-ssa-loop-im.c,
tree-ssa-loop-ivopts.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
tree-ssa-reassoc.c, tree-ssa-sccvn.c, tree-ssa-strlen.c,
tree-ssa-structalias.c, tree-ssa-tail-merge.c,
tree-ssa-threadupdate.c, tree-ssa-uncprop.c,
tree-vect-data-refs.c, tree-vect-loop.c, tree-vectorizer.c,
tree-vectorizer.h, valtrack.c, valtrack.h, var-tracking.c,
vtable-verify.c, vtable-verify.h: Adjust.
gcc/c/
* c-decl.c: Adjust.
gcc/cp/
* class.c, semantics.c, tree.c, vtable-class-hierarchy.c:
Adjust.
gcc/java/
* jcf-io.c: Adjust.
gcc/lto/
* lto.c: Adjust.
gcc/objc/
* objc-act.c: Adjust.
From-SVN: r211936
2014-06-24 15:21:35 +02:00
|
|
|
struct biv_entry *biv = bivs->find_with_hash (def, REGNO (def));
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
|
|
|
|
if (!biv)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
*iv = biv->iv;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
record_biv (rtx def, struct rtx_iv *iv)
|
|
|
|
{
|
2006-01-31 20:56:55 +01:00
|
|
|
struct biv_entry *biv = XNEW (struct biv_entry);
|
Remove a layer of indirection from hash_table
gcc/
* hash-table.h: Remove a layer of indirection from hash_table so that
it contains the hash table's data instead of a pointer to the data.
* alloc-pool.c, asan.c, attribs.c, bitmap.c, cfg.c,
config/arm/arm.c, config/i386/winnt.c, config/ia64/ia64.c,
config/mips/mips.c, config/sol2.c, coverage.c, cselib.c,
data-streamer-out.c, dse.c, dwarf2cfi.c, dwarf2out.c, except.c,
fold-const.c, gcse.c, ggc-common.c,
gimple-ssa-strength-reduction.c, gimplify.c,
graphite-clast-to-gimple.c, graphite-dependences.c,
graphite-htab.h, graphite.c, haifa-sched.c, ipa-devirt.c,
ipa-profile.c, ira-color.c, ira-costs.c, loop-invariant.c,
loop-iv.c, loop-unroll.c, lto-streamer-in.c, lto-streamer-out.c,
lto-streamer.c, lto-streamer.h, passes.c, plugin.c,
postreload-gcse.c, sese.c, statistics.c, store-motion.c,
trans-mem.c, tree-browser.c, tree-cfg.c, tree-complex.c,
tree-eh.c, tree-into-ssa.c, tree-parloops.c, tree-sra.c,
tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-dom.c,
tree-ssa-live.c, tree-ssa-loop-im.c,
tree-ssa-loop-ivopts.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
tree-ssa-reassoc.c, tree-ssa-sccvn.c, tree-ssa-strlen.c,
tree-ssa-structalias.c, tree-ssa-tail-merge.c,
tree-ssa-threadupdate.c, tree-ssa-uncprop.c,
tree-vect-data-refs.c, tree-vect-loop.c, tree-vectorizer.c,
tree-vectorizer.h, valtrack.c, valtrack.h, var-tracking.c,
vtable-verify.c, vtable-verify.h: Adjust.
gcc/c/
* c-decl.c: Adjust.
gcc/cp/
* class.c, semantics.c, tree.c, vtable-class-hierarchy.c:
Adjust.
gcc/java/
* jcf-io.c: Adjust.
gcc/lto/
* lto.c: Adjust.
gcc/objc/
* objc-act.c: Adjust.
From-SVN: r211936
2014-06-24 15:21:35 +02:00
|
|
|
biv_entry **slot = bivs->find_slot_with_hash (def, REGNO (def), INSERT);
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
|
|
|
|
biv->regno = REGNO (def);
|
|
|
|
biv->iv = *iv;
|
|
|
|
gcc_assert (!*slot);
|
|
|
|
*slot = biv;
|
|
|
|
}
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
/* Determines whether DEF is a biv and if so, stores its description
|
|
|
|
to *IV. */
|
|
|
|
|
|
|
|
static bool
|
2004-02-24 04:43:59 +01:00
|
|
|
iv_analyze_biv (rtx def, struct rtx_iv *iv)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
rtx inner_step, outer_step;
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
machine_mode inner_mode, outer_mode;
|
2012-06-17 23:04:41 +02:00
|
|
|
enum iv_extend_code extend;
|
re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
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df_ref last_def;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
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|
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if (dump_file)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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|
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{
|
cgraphunit.c, [...]: Fix typos and follow spelling conventions in error/dump messages.
* cgraphunit.c, ipa-inline.c, loop-iv.c, modulo-sched.c,
opts.c, postreload-gcse.c, tree-browser.def, tree-eh.c,
tree-ssa-copyrename.c, tree-vect-analyze.c: Fix typos and
follow spelling conventions in error/dump messages.
From-SVN: r100330
2005-05-29 21:38:34 +02:00
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fprintf (dump_file, "Analyzing ");
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
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print_rtl (dump_file, def);
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|
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fprintf (dump_file, " for bivness.\n");
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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|
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}
|
2009-11-25 11:55:54 +01:00
|
|
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|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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|
|
if (!REG_P (def))
|
|
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{
|
|
|
|
if (!CONSTANT_P (def))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
return iv_constant (iv, def, VOIDmode);
|
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|
}
|
|
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loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (!latch_dominating_def (def, &last_def))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
if (dump_file)
|
|
|
|
fprintf (dump_file, " not simple.\n");
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (!last_def)
|
|
|
|
return iv_constant (iv, def, VOIDmode);
|
|
|
|
|
|
|
|
if (analyzed_for_bivness_p (def, iv))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
if (dump_file)
|
|
|
|
fprintf (dump_file, " already analysed.\n");
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return iv->base != NULL_RTX;
|
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (!get_biv_step (last_def, def, &inner_step, &inner_mode, &extend,
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
&outer_mode, &outer_step))
|
|
|
|
{
|
|
|
|
iv->base = NULL_RTX;
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Loop transforms base to es (base + inner_step) + outer_step,
|
|
|
|
where es means extend of subreg between inner_mode and outer_mode.
|
|
|
|
The corresponding induction variable is
|
|
|
|
|
|
|
|
es ((base - outer_step) + i * (inner_step + outer_step)) + outer_step */
|
|
|
|
|
|
|
|
iv->base = simplify_gen_binary (MINUS, outer_mode, def, outer_step);
|
|
|
|
iv->step = simplify_gen_binary (PLUS, outer_mode, inner_step, outer_step);
|
|
|
|
iv->mode = inner_mode;
|
|
|
|
iv->extend_mode = outer_mode;
|
|
|
|
iv->extend = extend;
|
|
|
|
iv->mult = const1_rtx;
|
|
|
|
iv->delta = outer_step;
|
|
|
|
iv->first_special = inner_mode != outer_mode;
|
|
|
|
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
end:
|
|
|
|
if (dump_file)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
fprintf (dump_file, " ");
|
|
|
|
dump_iv_info (dump_file, iv);
|
|
|
|
fprintf (dump_file, "\n");
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
record_biv (def, iv);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return iv->base != NULL_RTX;
|
|
|
|
}
|
|
|
|
|
2009-11-25 11:55:54 +01:00
|
|
|
/* Analyzes expression RHS used at INSN and stores the result to *IV.
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
The mode of the induction variable is MODE. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
bool
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
iv_analyze_expr (rtx_insn *insn, rtx rhs, machine_mode mode,
|
2014-08-22 20:12:28 +02:00
|
|
|
struct rtx_iv *iv)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
rtx mby = NULL_RTX, tmp;
|
|
|
|
rtx op0 = NULL_RTX, op1 = NULL_RTX;
|
|
|
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struct rtx_iv iv0, iv1;
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|
|
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enum rtx_code code = GET_CODE (rhs);
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
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machine_mode omode = mode;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
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loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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iv->mode = VOIDmode;
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iv->base = NULL_RTX;
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iv->step = NULL_RTX;
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loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
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|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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gcc_assert (GET_MODE (rhs) == mode || GET_MODE (rhs) == VOIDmode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (CONSTANT_P (rhs)
|
|
|
|
|| REG_P (rhs)
|
|
|
|
|| code == SUBREG)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (!iv_analyze_op (insn, rhs, iv))
|
|
|
|
return false;
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (iv->mode == VOIDmode)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
iv->mode = mode;
|
|
|
|
iv->extend_mode = mode;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
|
|
|
|
return true;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
switch (code)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
case REG:
|
|
|
|
op0 = rhs;
|
|
|
|
break;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
case SIGN_EXTEND:
|
|
|
|
case ZERO_EXTEND:
|
|
|
|
case NEG:
|
|
|
|
op0 = XEXP (rhs, 0);
|
|
|
|
omode = GET_MODE (op0);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case PLUS:
|
|
|
|
case MINUS:
|
|
|
|
op0 = XEXP (rhs, 0);
|
|
|
|
op1 = XEXP (rhs, 1);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case MULT:
|
|
|
|
op0 = XEXP (rhs, 0);
|
|
|
|
mby = XEXP (rhs, 1);
|
|
|
|
if (!CONSTANT_P (mby))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
tmp = op0;
|
|
|
|
op0 = mby;
|
|
|
|
mby = tmp;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (!CONSTANT_P (mby))
|
|
|
|
return false;
|
|
|
|
break;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
case ASHIFT:
|
|
|
|
op0 = XEXP (rhs, 0);
|
|
|
|
mby = XEXP (rhs, 1);
|
|
|
|
if (!CONSTANT_P (mby))
|
|
|
|
return false;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (op0
|
|
|
|
&& !iv_analyze_expr (insn, op0, omode, &iv0))
|
|
|
|
return false;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (op1
|
|
|
|
&& !iv_analyze_expr (insn, op1, omode, &iv1))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return false;
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
switch (code)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
case SIGN_EXTEND:
|
2012-06-17 23:04:41 +02:00
|
|
|
if (!iv_extend (&iv0, IV_SIGN_EXTEND, mode))
|
|
|
|
return false;
|
|
|
|
break;
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
case ZERO_EXTEND:
|
2012-06-17 23:04:41 +02:00
|
|
|
if (!iv_extend (&iv0, IV_ZERO_EXTEND, mode))
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
return false;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case NEG:
|
|
|
|
if (!iv_neg (&iv0))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return false;
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
break;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
case PLUS:
|
|
|
|
case MINUS:
|
|
|
|
if (!iv_add (&iv0, &iv1, code))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return false;
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
break;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
case MULT:
|
|
|
|
if (!iv_mult (&iv0, mby))
|
|
|
|
return false;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ASHIFT:
|
|
|
|
if (!iv_shift (&iv0, mby))
|
|
|
|
return false;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
*iv = iv0;
|
|
|
|
return iv->base != NULL_RTX;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Analyzes iv DEF and stores the result to *IV. */
|
|
|
|
|
|
|
|
static bool
|
re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
|
|
|
iv_analyze_def (df_ref def, struct rtx_iv *iv)
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
{
|
2014-08-22 20:12:28 +02:00
|
|
|
rtx_insn *insn = DF_REF_INSN (def);
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
rtx reg = DF_REF_REG (def);
|
|
|
|
rtx set, rhs;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
if (dump_file)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
c-typeck.c, [...]: Fix typos and follow spelling conventions in various warning/error/diagnostic...
* c-typeck.c, config/arm/arm.c, config/darwin.c,
config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
follow spelling conventions in various
warning/error/diagnostic messages.
From-SVN: r125089
2007-05-26 14:17:52 +02:00
|
|
|
fprintf (dump_file, "Analyzing def of ");
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
print_rtl (dump_file, reg);
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
fprintf (dump_file, " in insn ");
|
|
|
|
print_rtl_single (dump_file, insn);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
2009-11-25 11:55:54 +01:00
|
|
|
|
2007-06-11 20:02:15 +02:00
|
|
|
check_iv_ref_table_size ();
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (DF_REF_IV (def))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
if (dump_file)
|
|
|
|
fprintf (dump_file, " already analysed.\n");
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
*iv = *DF_REF_IV (def);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return iv->base != NULL_RTX;
|
|
|
|
}
|
|
|
|
|
|
|
|
iv->mode = VOIDmode;
|
|
|
|
iv->base = NULL_RTX;
|
|
|
|
iv->step = NULL_RTX;
|
|
|
|
|
2007-06-11 20:02:15 +02:00
|
|
|
if (!REG_P (reg))
|
|
|
|
return false;
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
set = single_set (insn);
|
2007-06-11 20:02:15 +02:00
|
|
|
if (!set)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
if (!REG_P (SET_DEST (set)))
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
return false;
|
|
|
|
|
2007-06-11 20:02:15 +02:00
|
|
|
gcc_assert (SET_DEST (set) == reg);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
rhs = find_reg_equal_equiv_note (insn);
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
if (rhs)
|
|
|
|
rhs = XEXP (rhs, 0);
|
|
|
|
else
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
rhs = SET_SRC (set);
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
iv_analyze_expr (insn, rhs, GET_MODE (reg), iv);
|
|
|
|
record_iv (def, iv);
|
|
|
|
|
|
|
|
if (dump_file)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
print_rtl (dump_file, reg);
|
|
|
|
fprintf (dump_file, " in insn ");
|
|
|
|
print_rtl_single (dump_file, insn);
|
|
|
|
fprintf (dump_file, " is ");
|
|
|
|
dump_iv_info (dump_file, iv);
|
|
|
|
fprintf (dump_file, "\n");
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
return iv->base != NULL_RTX;
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* Analyzes operand OP of INSN and stores the result to *IV. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
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|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
static bool
|
2014-08-22 20:12:28 +02:00
|
|
|
iv_analyze_op (rtx_insn *insn, rtx op, struct rtx_iv *iv)
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
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{
|
re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
|
|
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df_ref def = NULL;
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
enum iv_grd_result res;
|
2004-06-24 18:50:35 +02:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
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if (dump_file)
|
|
|
|
{
|
c-typeck.c, [...]: Fix typos and follow spelling conventions in various warning/error/diagnostic...
* c-typeck.c, config/arm/arm.c, config/darwin.c,
config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
follow spelling conventions in various
warning/error/diagnostic messages.
From-SVN: r125089
2007-05-26 14:17:52 +02:00
|
|
|
fprintf (dump_file, "Analyzing operand ");
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
print_rtl (dump_file, op);
|
|
|
|
fprintf (dump_file, " of insn ");
|
|
|
|
print_rtl_single (dump_file, insn);
|
|
|
|
}
|
2004-06-24 18:50:35 +02:00
|
|
|
|
2009-09-27 18:56:57 +02:00
|
|
|
if (function_invariant_p (op))
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
res = GRD_INVARIANT;
|
|
|
|
else if (GET_CODE (op) == SUBREG)
|
|
|
|
{
|
|
|
|
if (!subreg_lowpart_p (op))
|
|
|
|
return false;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (!iv_analyze_op (insn, SUBREG_REG (op), iv))
|
|
|
|
return false;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
return iv_subreg (iv, GET_MODE (op));
|
|
|
|
}
|
|
|
|
else
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
res = iv_get_reaching_def (insn, op, &def);
|
|
|
|
if (res == GRD_INVALID)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (dump_file)
|
|
|
|
fprintf (dump_file, " not simple.\n");
|
|
|
|
return false;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (res == GRD_INVARIANT)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
iv_constant (iv, op, VOIDmode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (dump_file)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
fprintf (dump_file, " ");
|
|
|
|
dump_iv_info (dump_file, iv);
|
|
|
|
fprintf (dump_file, "\n");
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
return true;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (res == GRD_MAYBE_BIV)
|
|
|
|
return iv_analyze_biv (op, iv);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
return iv_analyze_def (def, iv);
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* Analyzes value VAL at INSN and stores the result to *IV. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
bool
|
2014-08-22 20:12:28 +02:00
|
|
|
iv_analyze (rtx_insn *insn, rtx val, struct rtx_iv *iv)
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
{
|
|
|
|
rtx reg;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* We must find the insn in that val is used, so that we get to UD chains.
|
|
|
|
Since the function is sometimes called on result of get_condition,
|
|
|
|
this does not necessarily have to be directly INSN; scan also the
|
|
|
|
following insns. */
|
|
|
|
if (simple_reg_p (val))
|
|
|
|
{
|
|
|
|
if (GET_CODE (val) == SUBREG)
|
|
|
|
reg = SUBREG_REG (val);
|
|
|
|
else
|
|
|
|
reg = val;
|
2004-06-24 18:50:35 +02:00
|
|
|
|
2007-06-11 20:02:15 +02:00
|
|
|
while (!df_find_use (insn, reg))
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
insn = NEXT_INSN (insn);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
return iv_analyze_op (insn, val, iv);
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* Analyzes definition of DEF in INSN and stores the result to IV. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
bool
|
2014-08-22 20:12:28 +02:00
|
|
|
iv_analyze_result (rtx_insn *insn, rtx def, struct rtx_iv *iv)
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
{
|
re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
|
|
|
df_ref adef;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2007-06-11 20:02:15 +02:00
|
|
|
adef = df_find_def (insn, def);
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (!adef)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
return iv_analyze_def (adef, iv);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
/* Checks whether definition of register REG in INSN is a basic induction
|
Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* basic-block.h (struct reorder_block_def): Add copy_number field.
* cfgloop.h (biv_p): Declare.
* cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
* common.opt (fsplit-ivs-in-unroller): New flag.
* loop-iv.c (biv_p): New function.
* loop-unroll.c: Include hashtab.h and recog.h.
(struct iv_to_split, struct split_ivs_info): New types.
(analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
insert_base_initialization, split_iv): New functions.
(peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
Use them.
* doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r87487
2004-09-14 10:05:46 +02:00
|
|
|
variable. IV analysis must have been initialized (via a call to
|
|
|
|
iv_analysis_loop_init) for this function to produce a result. */
|
|
|
|
|
|
|
|
bool
|
2014-08-22 20:12:28 +02:00
|
|
|
biv_p (rtx_insn *insn, rtx reg)
|
Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* basic-block.h (struct reorder_block_def): Add copy_number field.
* cfgloop.h (biv_p): Declare.
* cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
* common.opt (fsplit-ivs-in-unroller): New flag.
* loop-iv.c (biv_p): New function.
* loop-unroll.c: Include hashtab.h and recog.h.
(struct iv_to_split, struct split_ivs_info): New types.
(analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
insert_base_initialization, split_iv): New functions.
(peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
Use them.
* doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r87487
2004-09-14 10:05:46 +02:00
|
|
|
{
|
|
|
|
struct rtx_iv iv;
|
re PR middle-end/37448 (cannot compile big function)
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
2008-10-12 01:39:21 +02:00
|
|
|
df_ref def, last_def;
|
Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* basic-block.h (struct reorder_block_def): Add copy_number field.
* cfgloop.h (biv_p): Declare.
* cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
* common.opt (fsplit-ivs-in-unroller): New flag.
* loop-iv.c (biv_p): New function.
* loop-unroll.c: Include hashtab.h and recog.h.
(struct iv_to_split, struct split_ivs_info): New types.
(analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
insert_base_initialization, split_iv): New functions.
(peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
Use them.
* doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r87487
2004-09-14 10:05:46 +02:00
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (!simple_reg_p (reg))
|
Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* basic-block.h (struct reorder_block_def): Add copy_number field.
* cfgloop.h (biv_p): Declare.
* cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
* common.opt (fsplit-ivs-in-unroller): New flag.
* loop-iv.c (biv_p): New function.
* loop-unroll.c: Include hashtab.h and recog.h.
(struct iv_to_split, struct split_ivs_info): New types.
(analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
insert_base_initialization, split_iv): New functions.
(peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
Use them.
* doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r87487
2004-09-14 10:05:46 +02:00
|
|
|
return false;
|
|
|
|
|
2007-06-11 20:02:15 +02:00
|
|
|
def = df_find_def (insn, reg);
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
gcc_assert (def != NULL);
|
|
|
|
if (!latch_dominating_def (reg, &last_def))
|
|
|
|
return false;
|
|
|
|
if (last_def != def)
|
Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* basic-block.h (struct reorder_block_def): Add copy_number field.
* cfgloop.h (biv_p): Declare.
* cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
* common.opt (fsplit-ivs-in-unroller): New flag.
* loop-iv.c (biv_p): New function.
* loop-unroll.c: Include hashtab.h and recog.h.
(struct iv_to_split, struct split_ivs_info): New types.
(analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
insert_base_initialization, split_iv): New functions.
(peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
Use them.
* doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r87487
2004-09-14 10:05:46 +02:00
|
|
|
return false;
|
|
|
|
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (!iv_analyze_biv (reg, &iv))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
return iv.step != const0_rtx;
|
Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* basic-block.h (struct reorder_block_def): Add copy_number field.
* cfgloop.h (biv_p): Declare.
* cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
* common.opt (fsplit-ivs-in-unroller): New flag.
* loop-iv.c (biv_p): New function.
* loop-unroll.c: Include hashtab.h and recog.h.
(struct iv_to_split, struct split_ivs_info): New types.
(analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
insert_base_initialization, split_iv): New functions.
(peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
Use them.
* doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r87487
2004-09-14 10:05:46 +02:00
|
|
|
}
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
/* Calculates value of IV at ITERATION-th iteration. */
|
|
|
|
|
|
|
|
rtx
|
|
|
|
get_iv_value (struct rtx_iv *iv, rtx iteration)
|
|
|
|
{
|
|
|
|
rtx val;
|
|
|
|
|
|
|
|
/* We would need to generate some if_then_else patterns, and so far
|
|
|
|
it is not needed anywhere. */
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
gcc_assert (!iv->first_special);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
if (iv->step != const0_rtx && iteration != const0_rtx)
|
|
|
|
val = simplify_gen_binary (PLUS, iv->extend_mode, iv->base,
|
|
|
|
simplify_gen_binary (MULT, iv->extend_mode,
|
|
|
|
iv->step, iteration));
|
|
|
|
else
|
|
|
|
val = iv->base;
|
|
|
|
|
|
|
|
if (iv->extend_mode == iv->mode)
|
|
|
|
return val;
|
|
|
|
|
2009-02-21 17:48:05 +01:00
|
|
|
val = lowpart_subreg (iv->mode, val, iv->extend_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv->extend == IV_UNKNOWN_EXTEND)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return val;
|
|
|
|
|
2012-06-17 23:04:41 +02:00
|
|
|
val = simplify_gen_unary (iv_extend_to_rtx_code (iv->extend),
|
|
|
|
iv->extend_mode, val, iv->mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
val = simplify_gen_binary (PLUS, iv->extend_mode, iv->delta,
|
|
|
|
simplify_gen_binary (MULT, iv->extend_mode,
|
|
|
|
iv->mult, val));
|
|
|
|
|
|
|
|
return val;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Free the data for an induction variable analysis. */
|
|
|
|
|
|
|
|
void
|
|
|
|
iv_analysis_done (void)
|
|
|
|
{
|
2007-06-11 20:02:15 +02:00
|
|
|
if (!clean_slate)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
clear_iv_info ();
|
2007-06-11 20:02:15 +02:00
|
|
|
clean_slate = true;
|
2007-08-05 18:04:12 +02:00
|
|
|
df_finish_pass (true);
|
Remove a layer of indirection from hash_table
gcc/
* hash-table.h: Remove a layer of indirection from hash_table so that
it contains the hash table's data instead of a pointer to the data.
* alloc-pool.c, asan.c, attribs.c, bitmap.c, cfg.c,
config/arm/arm.c, config/i386/winnt.c, config/ia64/ia64.c,
config/mips/mips.c, config/sol2.c, coverage.c, cselib.c,
data-streamer-out.c, dse.c, dwarf2cfi.c, dwarf2out.c, except.c,
fold-const.c, gcse.c, ggc-common.c,
gimple-ssa-strength-reduction.c, gimplify.c,
graphite-clast-to-gimple.c, graphite-dependences.c,
graphite-htab.h, graphite.c, haifa-sched.c, ipa-devirt.c,
ipa-profile.c, ira-color.c, ira-costs.c, loop-invariant.c,
loop-iv.c, loop-unroll.c, lto-streamer-in.c, lto-streamer-out.c,
lto-streamer.c, lto-streamer.h, passes.c, plugin.c,
postreload-gcse.c, sese.c, statistics.c, store-motion.c,
trans-mem.c, tree-browser.c, tree-cfg.c, tree-complex.c,
tree-eh.c, tree-into-ssa.c, tree-parloops.c, tree-sra.c,
tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-dom.c,
tree-ssa-live.c, tree-ssa-loop-im.c,
tree-ssa-loop-ivopts.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
tree-ssa-reassoc.c, tree-ssa-sccvn.c, tree-ssa-strlen.c,
tree-ssa-structalias.c, tree-ssa-tail-merge.c,
tree-ssa-threadupdate.c, tree-ssa-uncprop.c,
tree-vect-data-refs.c, tree-vect-loop.c, tree-vectorizer.c,
tree-vectorizer.h, valtrack.c, valtrack.h, var-tracking.c,
vtable-verify.c, vtable-verify.h: Adjust.
gcc/c/
* c-decl.c: Adjust.
gcc/cp/
* class.c, semantics.c, tree.c, vtable-class-hierarchy.c:
Adjust.
gcc/java/
* jcf-io.c: Adjust.
gcc/lto/
* lto.c: Adjust.
gcc/objc/
* objc-act.c: Adjust.
From-SVN: r211936
2014-06-24 15:21:35 +02:00
|
|
|
delete bivs;
|
|
|
|
bivs = NULL;
|
2007-06-11 20:02:15 +02:00
|
|
|
free (iv_ref_table);
|
|
|
|
iv_ref_table = NULL;
|
|
|
|
iv_ref_table_size = 0;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Computes inverse to X modulo (1 << MOD). */
|
|
|
|
|
system.h: Define __STDC_FORMAT_MACROS before including inttypes.h.
2014-05-23 Richard Biener <rguenther@suse.de>
* system.h: Define __STDC_FORMAT_MACROS before
including inttypes.h.
* hwint.h (HOST_WIDEST_INT, HOST_BITS_PER_WIDEST_INT,
HOST_WIDEST_INT_PRINT, HOST_WIDEST_INT_PRINT_DEC,
HOST_WIDEST_INT_PRINT_DEC_C, HOST_WIDEST_INT_PRINT_UNSIGNED,
HOST_WIDEST_INT_PRINT_HEX, HOST_WIDEST_INT_PRINT_DOUBLE_HEX,
HOST_WIDEST_INT_C): Remove.
(PRId64, PRIi64, PRIo64, PRIu64, PRIx64, PRIX64): Define
if C99 inttypes.h is not available.
* coretypes.h (gcov_type, gcov_type_unsigned): Use [u]int64_t.
* gcov-io.h (gcov_type, gcov_type_unsigned): Likewise.
* gcov-io.c (gcov_histo_index): Drop non-64bit hwi case.
* cfgloop.h (struct niter_desc): Use uint64_t for niter field.
* bitmap.c (struct bitmap_descriptor_d): Use uint64_t for counters.
(struct output_info): Likewise.
(print_statistics): Adjust.
(dump_bitmap_statistics): Likewise.
* bt-load.c (migrate_btr_defs): Print with PRId64.
* cfg.c (dump_edge_info, dump_bb_info): Likewise.
(MAX_SAFE_MULTIPLIER): Adjust.
* cfghooks.c (dump_bb_for_graph): Print with PRId64.
* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee,
dump_cgraph_node): Likewise.
* final.c (dump_basic_block_info): Likewise.
* gcov-dump.c (tag_counters, tag_summary, dump_working_sets): Likewise.
* gcov.c (format_gcov): Likewise.
* ipa-cp.c (good_cloning_opportunity_p): Likewise. Use int64_t
for calculation.
(get_clone_agg_value): Use HOST_WIDE_INT for offset.
* ipa-inline.c (compute_max_insns): Use int64_t for calcuation.
(inline_small_functions, dump_overall_stats, dump_inline_stats):
Use PRId64 for dumping.
* ipa-profile.c (dump_histogram, ipa_profile): Likewise.
* ira-color.c (struct allocno_hard_regs): Use int64_t for cost.
(add_allocno_hard_regs): Adjust.
* loop-doloop.c (doloop_modify): Print using PRId64.
* loop-iv.c (inverse): Compute in uint64_t.
(determine_max_iter, iv_number_of_iterations): Likewise.
* loop-unroll.c (decide_peel_completely, decide_peel_simple):
Print using PRId64.
* lto-streamer-out.c (write_symbol): Use uint64_t.
* mcf.c (CAP_INFINITY): Use int64_t maximum.
(dump_fixup_edge, create_fixup_graph, cancel_negative_cycle,
find_max_flow, adjust_cfg_counts): Use int64_t and dump with PRId64.
* modulo-sched.c (const_iteration_count): Use int64_t.
(sms_schedule): Dump using PRId64.
* predict.c (dump_prediction): Likewise.
* pretty-print.h (pp_widest_integer): Remove.
* profile.c (get_working_sets, is_edge_inconsistent,
is_inconsistent, read_profile_edge_counts): Dump using PRId64.
* tree-pretty-print.c (pp_double_int): Remove case handling
HOST_BITS_PER_DOUBLE_INT == HOST_BITS_PER_WIDEST_INT.
* tree-ssa-math-opts.c (struct symbolic_number): Use uint64_t
and adjust users.
(pass_optimize_bswap::execute): Remove restriction on hosts.
* tree-streamer-in.c (streamer_alloc_tree): Use HOST_WIDE_INT.
* tree-streamer-out.c (streamer_write_tree_header): Likewise.
* tree.c (widest_int_cst_value): Remove.
* tree.h (widest_int_cst_value): Likewise.
* value-prof.c (dump_histogram_value): Print using PRId64.
* gengtype.c (main): Also inject int64_t.
* ggc-page.c (struct max_alignment): Use int64_t.
* alloc-pool.c (struct allocation_object_def): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Use uint64_t
for computation.
* doc/tm.texi.in: Remove reference to HOST_WIDEST_INT.
* doc/tm.texi: Regenerated.
* gengtype-lex.l (IWORD): Handle [u]int64_t.
* config/sh/sh.c (expand_cbranchdi4): Use gcov_type.
* config/mmix/mmix-protos.h (mmix_intval, mmix_shiftable_wyde_value,
mmix_output_register_setting): Use [u]int64_t in prototypes.
* config/mmix/mmix.c (mmix_print_operand, mmix_output_register_setting,
mmix_shiftable_wyde_value, mmix_output_shiftvalue_op_from_str,
mmix_output_octa, mmix_output_shifted_value): Adjust.
(mmix_intval): Adjust. Remove unreachable case.
* config/mmix/mmix.md (*nonlocal_goto_receiver_expanded): Use
int64_t.
lto/
* lto.c (lto_parse_hex): Use int64_t.
(lto_resolution_read): Likewise.
From-SVN: r210931
2014-05-26 12:42:43 +02:00
|
|
|
static uint64_t
|
|
|
|
inverse (uint64_t x, int mod)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
system.h: Define __STDC_FORMAT_MACROS before including inttypes.h.
2014-05-23 Richard Biener <rguenther@suse.de>
* system.h: Define __STDC_FORMAT_MACROS before
including inttypes.h.
* hwint.h (HOST_WIDEST_INT, HOST_BITS_PER_WIDEST_INT,
HOST_WIDEST_INT_PRINT, HOST_WIDEST_INT_PRINT_DEC,
HOST_WIDEST_INT_PRINT_DEC_C, HOST_WIDEST_INT_PRINT_UNSIGNED,
HOST_WIDEST_INT_PRINT_HEX, HOST_WIDEST_INT_PRINT_DOUBLE_HEX,
HOST_WIDEST_INT_C): Remove.
(PRId64, PRIi64, PRIo64, PRIu64, PRIx64, PRIX64): Define
if C99 inttypes.h is not available.
* coretypes.h (gcov_type, gcov_type_unsigned): Use [u]int64_t.
* gcov-io.h (gcov_type, gcov_type_unsigned): Likewise.
* gcov-io.c (gcov_histo_index): Drop non-64bit hwi case.
* cfgloop.h (struct niter_desc): Use uint64_t for niter field.
* bitmap.c (struct bitmap_descriptor_d): Use uint64_t for counters.
(struct output_info): Likewise.
(print_statistics): Adjust.
(dump_bitmap_statistics): Likewise.
* bt-load.c (migrate_btr_defs): Print with PRId64.
* cfg.c (dump_edge_info, dump_bb_info): Likewise.
(MAX_SAFE_MULTIPLIER): Adjust.
* cfghooks.c (dump_bb_for_graph): Print with PRId64.
* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee,
dump_cgraph_node): Likewise.
* final.c (dump_basic_block_info): Likewise.
* gcov-dump.c (tag_counters, tag_summary, dump_working_sets): Likewise.
* gcov.c (format_gcov): Likewise.
* ipa-cp.c (good_cloning_opportunity_p): Likewise. Use int64_t
for calculation.
(get_clone_agg_value): Use HOST_WIDE_INT for offset.
* ipa-inline.c (compute_max_insns): Use int64_t for calcuation.
(inline_small_functions, dump_overall_stats, dump_inline_stats):
Use PRId64 for dumping.
* ipa-profile.c (dump_histogram, ipa_profile): Likewise.
* ira-color.c (struct allocno_hard_regs): Use int64_t for cost.
(add_allocno_hard_regs): Adjust.
* loop-doloop.c (doloop_modify): Print using PRId64.
* loop-iv.c (inverse): Compute in uint64_t.
(determine_max_iter, iv_number_of_iterations): Likewise.
* loop-unroll.c (decide_peel_completely, decide_peel_simple):
Print using PRId64.
* lto-streamer-out.c (write_symbol): Use uint64_t.
* mcf.c (CAP_INFINITY): Use int64_t maximum.
(dump_fixup_edge, create_fixup_graph, cancel_negative_cycle,
find_max_flow, adjust_cfg_counts): Use int64_t and dump with PRId64.
* modulo-sched.c (const_iteration_count): Use int64_t.
(sms_schedule): Dump using PRId64.
* predict.c (dump_prediction): Likewise.
* pretty-print.h (pp_widest_integer): Remove.
* profile.c (get_working_sets, is_edge_inconsistent,
is_inconsistent, read_profile_edge_counts): Dump using PRId64.
* tree-pretty-print.c (pp_double_int): Remove case handling
HOST_BITS_PER_DOUBLE_INT == HOST_BITS_PER_WIDEST_INT.
* tree-ssa-math-opts.c (struct symbolic_number): Use uint64_t
and adjust users.
(pass_optimize_bswap::execute): Remove restriction on hosts.
* tree-streamer-in.c (streamer_alloc_tree): Use HOST_WIDE_INT.
* tree-streamer-out.c (streamer_write_tree_header): Likewise.
* tree.c (widest_int_cst_value): Remove.
* tree.h (widest_int_cst_value): Likewise.
* value-prof.c (dump_histogram_value): Print using PRId64.
* gengtype.c (main): Also inject int64_t.
* ggc-page.c (struct max_alignment): Use int64_t.
* alloc-pool.c (struct allocation_object_def): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Use uint64_t
for computation.
* doc/tm.texi.in: Remove reference to HOST_WIDEST_INT.
* doc/tm.texi: Regenerated.
* gengtype-lex.l (IWORD): Handle [u]int64_t.
* config/sh/sh.c (expand_cbranchdi4): Use gcov_type.
* config/mmix/mmix-protos.h (mmix_intval, mmix_shiftable_wyde_value,
mmix_output_register_setting): Use [u]int64_t in prototypes.
* config/mmix/mmix.c (mmix_print_operand, mmix_output_register_setting,
mmix_shiftable_wyde_value, mmix_output_shiftvalue_op_from_str,
mmix_output_octa, mmix_output_shifted_value): Adjust.
(mmix_intval): Adjust. Remove unreachable case.
* config/mmix/mmix.md (*nonlocal_goto_receiver_expanded): Use
int64_t.
lto/
* lto.c (lto_parse_hex): Use int64_t.
(lto_resolution_read): Likewise.
From-SVN: r210931
2014-05-26 12:42:43 +02:00
|
|
|
uint64_t mask =
|
|
|
|
((uint64_t) 1 << (mod - 1) << 1) - 1;
|
|
|
|
uint64_t rslt = 1;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < mod - 1; i++)
|
|
|
|
{
|
|
|
|
rslt = (rslt * x) & mask;
|
|
|
|
x = (x * x) & mask;
|
|
|
|
}
|
|
|
|
|
|
|
|
return rslt;
|
|
|
|
}
|
|
|
|
|
2014-08-28 08:23:47 +02:00
|
|
|
/* Checks whether any register in X is in set ALT. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2014-08-28 08:23:47 +02:00
|
|
|
static bool
|
|
|
|
altered_reg_used (const_rtx x, bitmap alt)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
2014-08-28 08:23:47 +02:00
|
|
|
subrtx_iterator::array_type array;
|
|
|
|
FOR_EACH_SUBRTX (iter, array, x, NONCONST)
|
|
|
|
{
|
|
|
|
const_rtx x = *iter;
|
|
|
|
if (REG_P (x) && REGNO_REG_SET_P (alt, REGNO (x)))
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
return false;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Marks registers altered by EXPR in set ALT. */
|
|
|
|
|
|
|
|
static void
|
alias.c (record_set, [...]): Constify.
* alias.c (record_set, memory_modified_1): Constify.
* bt-load.c (note_btr_set): Likewise.
* caller-save.c (mark_set_regs, add_stored_regs): Likewise.
* combine.c (set_nonzero_bits_and_sign_copies,
expand_field_assignment, record_dead_and_set_regs_1,
use_crosses_set_p, reg_dead_at_p_1, can_combine_p,
likely_spilled_retval_1): Likewise.
* config/frv/frv.c (frv_registers_update_1, frv_io_check_address,
frv_io_handle_set): Likewise.
* config/mips/mips.c (mips_sim_record_set,
vr4130_true_reg_dependence_p_1): Likewise.
* config/mt/mt.c (insn_dependent_p_1): Likewise.
* config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
* config/sh/sh.c (flow_dependent_p_1): Likewise.
* cselib.c (cselib_invalidate_rtx_note_stores): Likewise.
* dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise.
* ddg.c (mark_mem_store): Likewise.
* df-problems.c (df_urec_mark_reg_change): Likewise.
* function.c (update_epilogue_consts): Likewise.
* gcse.c (record_set_info, record_last_set_info,
mems_conflict_for_gcse_p, canon_list_insert, reg_set_info,
reg_clear_last_set): Likewise.
* global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live):
Likewise.
* jump.c (reversed_comparison_code_parts): Likewise.
* local-alloc.c (validate_equiv_mem_from_store, no_equiv,
reg_is_set): Likewise.
* loop-iv.c (mark_altered): Likewise.
* mode-switching.c (reg_becomes_live): Likewise.
* optabs.c (no_conflict_move_test): Likewise.
* postreload-gcse.c (record_last_set_info, find_mem_conflicts):
Likewise.
* postreload.c (reload_combine_note_store, move2add_note_store):
Likewise.
* regmove.c (flags_set_1): Likewise.
* regrename.c (note_sets, kill_clobbered_value, kill_set_value):
Likewise.
* reload1.c (mark_not_eliminable, forget_old_reloads_1):
Likewise.
* resource.c (update_live_status): Likewise.
* rtl.h (set_of, note_stores): Likewise.
* rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of,
note_stores, parms_set): Likewise.
* sched-rgn.c (sets_likely_spilled_1): Likewise.
* stack-ptr-mod.c (notice_stack_pointer_modification_1):
Likewise.
* var-tracking.c (count_stores, add_stores): Likewise.
From-SVN: r127065
2007-07-30 18:30:18 +02:00
|
|
|
mark_altered (rtx expr, const_rtx by ATTRIBUTE_UNUSED, void *alt)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
if (GET_CODE (expr) == SUBREG)
|
|
|
|
expr = SUBREG_REG (expr);
|
|
|
|
if (!REG_P (expr))
|
|
|
|
return;
|
|
|
|
|
driver-i386.c (detect_caches_amd, [...]): Fix -Wc++-compat and/or -Wcast-qual warnings.
* config/i386/driver-i386.c (detect_caches_amd,
detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
and/or -Wcast-qual warnings.
*ggc-common.c (ggc_mark_roots, gt_pch_note_object,
gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
gt_pch_save): Likewise.
* ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
* global.c (compute_regsets): Likewise.
* graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
finish_graph_dump_file): Likewise.
* haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
unlink_bb_notes): Likewise.
* integrate.c (get_hard_reg_initial_val): Likewise.
* ipa-prop.c (ipa_push_func_to_list): Likewise.
* ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
* local-alloc.c (update_equiv_regs): Likewise.
* loop-invariant.c (check_invariant_table_size,
hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
Likewise.
* loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
altered_reg_used, mark_altered): Likewise.
* loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
insert_var_expansion_initialization,
combine_var_copies_in_loop_exit, apply_opt_in_copies,
release_var_copies): Likewise.
* matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
analyze_matrix_decl, add_allocation_site, analyze_transpose,
analyze_accesses_for_phi_node, check_var_notmodified_p,
check_allocation_function, find_sites_in_func,
record_all_accesses_in_func, transform_access_sites,
transform_allocation_sites): Likewise.
* omp-low.c (new_omp_region, create_omp_child_function_name,
check_omp_nesting_restrictions, check_combined_parallel,
lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
* optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
Likewise.
* opts-common.c (prune_options): Likewise.
* opts.c (add_input_filename, print_filtered_help,
get_option_state): Likewise.
* params.c (add_params): Likewise.
* passes.c (set_pass_for_id, next_pass_1,
do_per_function_toporder, pass_fini_dump_file): Likewise.
* postreload.c (reload_cse_simplify_operands): Likewise.
* predict.c (tree_predicted_by_p, tree_predict_edge,
clear_bb_predictions, combine_predictions_for_bb): Likewise.
From-SVN: r137134
2008-06-26 02:18:25 +02:00
|
|
|
SET_REGNO_REG_SET ((bitmap) alt, REGNO (expr));
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Checks whether RHS is simple enough to process. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
simple_rhs_p (rtx rhs)
|
|
|
|
{
|
|
|
|
rtx op0, op1;
|
|
|
|
|
2009-09-27 18:56:57 +02:00
|
|
|
if (function_invariant_p (rhs)
|
2007-06-08 09:58:41 +02:00
|
|
|
|| (REG_P (rhs) && !HARD_REGISTER_P (rhs)))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return true;
|
|
|
|
|
|
|
|
switch (GET_CODE (rhs))
|
|
|
|
{
|
|
|
|
case PLUS:
|
|
|
|
case MINUS:
|
2009-03-31 17:22:13 +02:00
|
|
|
case AND:
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
op0 = XEXP (rhs, 0);
|
|
|
|
op1 = XEXP (rhs, 1);
|
2009-03-31 17:22:13 +02:00
|
|
|
/* Allow reg OP const and reg OP reg. */
|
2008-11-20 09:05:12 +01:00
|
|
|
if (!(REG_P (op0) && !HARD_REGISTER_P (op0))
|
2009-04-24 13:05:59 +02:00
|
|
|
&& !function_invariant_p (op0))
|
2008-11-20 09:05:12 +01:00
|
|
|
return false;
|
|
|
|
if (!(REG_P (op1) && !HARD_REGISTER_P (op1))
|
2009-04-24 13:05:59 +02:00
|
|
|
&& !function_invariant_p (op1))
|
2008-11-20 09:05:12 +01:00
|
|
|
return false;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2008-11-20 09:05:12 +01:00
|
|
|
return true;
|
|
|
|
|
|
|
|
case ASHIFT:
|
2009-03-31 17:22:13 +02:00
|
|
|
case ASHIFTRT:
|
|
|
|
case LSHIFTRT:
|
|
|
|
case MULT:
|
2008-11-20 09:05:12 +01:00
|
|
|
op0 = XEXP (rhs, 0);
|
|
|
|
op1 = XEXP (rhs, 1);
|
2009-03-31 17:22:13 +02:00
|
|
|
/* Allow reg OP const. */
|
2008-11-20 09:05:12 +01:00
|
|
|
if (!(REG_P (op0) && !HARD_REGISTER_P (op0)))
|
|
|
|
return false;
|
2009-04-24 13:05:59 +02:00
|
|
|
if (!function_invariant_p (op1))
|
2008-11-20 09:05:12 +01:00
|
|
|
return false;
|
|
|
|
|
|
|
|
return true;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
default:
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-08-28 08:23:42 +02:00
|
|
|
/* If REGNO has a single definition, return its known value, otherwise return
|
|
|
|
null. */
|
2009-03-31 17:24:24 +02:00
|
|
|
|
2014-08-28 08:23:42 +02:00
|
|
|
static rtx
|
|
|
|
find_single_def_src (unsigned int regno)
|
2009-03-31 17:24:24 +02:00
|
|
|
{
|
|
|
|
df_ref adef;
|
2009-04-24 13:01:57 +02:00
|
|
|
rtx set, src;
|
2009-03-31 17:24:24 +02:00
|
|
|
|
2009-04-24 13:01:57 +02:00
|
|
|
for (;;)
|
|
|
|
{
|
|
|
|
rtx note;
|
|
|
|
adef = DF_REG_DEF_CHAIN (regno);
|
|
|
|
if (adef == NULL || DF_REF_NEXT_REG (adef) != NULL
|
2014-08-28 08:23:42 +02:00
|
|
|
|| DF_REF_IS_ARTIFICIAL (adef))
|
|
|
|
return NULL_RTX;
|
2009-04-24 13:01:57 +02:00
|
|
|
|
|
|
|
set = single_set (DF_REF_INSN (adef));
|
|
|
|
if (set == NULL || !REG_P (SET_DEST (set))
|
|
|
|
|| REGNO (SET_DEST (set)) != regno)
|
2014-08-28 08:23:42 +02:00
|
|
|
return NULL_RTX;
|
2009-03-31 17:24:24 +02:00
|
|
|
|
2009-04-24 13:01:57 +02:00
|
|
|
note = find_reg_equal_equiv_note (DF_REF_INSN (adef));
|
|
|
|
|
|
|
|
if (note && function_invariant_p (XEXP (note, 0)))
|
|
|
|
{
|
|
|
|
src = XEXP (note, 0);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
src = SET_SRC (set);
|
|
|
|
|
|
|
|
if (REG_P (src))
|
|
|
|
{
|
|
|
|
regno = REGNO (src);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (!function_invariant_p (src))
|
2014-08-28 08:23:42 +02:00
|
|
|
return NULL_RTX;
|
|
|
|
|
|
|
|
return src;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If any registers in *EXPR that have a single definition, try to replace
|
|
|
|
them with the known-equivalent values. */
|
2009-03-31 17:24:24 +02:00
|
|
|
|
2014-08-28 08:23:42 +02:00
|
|
|
static void
|
|
|
|
replace_single_def_regs (rtx *expr)
|
|
|
|
{
|
|
|
|
subrtx_var_iterator::array_type array;
|
|
|
|
repeat:
|
|
|
|
FOR_EACH_SUBRTX_VAR (iter, array, *expr, NONCONST)
|
|
|
|
{
|
|
|
|
rtx x = *iter;
|
|
|
|
if (REG_P (x))
|
|
|
|
if (rtx new_x = find_single_def_src (REGNO (x)))
|
|
|
|
{
|
|
|
|
*expr = simplify_replace_rtx (*expr, x, new_x);
|
|
|
|
goto repeat;
|
|
|
|
}
|
|
|
|
}
|
2009-03-31 17:24:24 +02:00
|
|
|
}
|
|
|
|
|
2009-03-31 17:15:04 +02:00
|
|
|
/* A subroutine of simplify_using_initial_values, this function examines INSN
|
|
|
|
to see if it contains a suitable set that we can use to make a replacement.
|
|
|
|
If it is suitable, return true and set DEST and SRC to the lhs and rhs of
|
|
|
|
the set; return false otherwise. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2009-03-31 17:15:04 +02:00
|
|
|
static bool
|
2014-08-22 20:12:28 +02:00
|
|
|
suitable_set_for_replacement (rtx_insn *insn, rtx *dest, rtx *src)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
rtx set = single_set (insn);
|
2004-08-03 23:13:15 +02:00
|
|
|
rtx lhs = NULL_RTX, rhs;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2009-03-31 17:15:04 +02:00
|
|
|
if (!set)
|
|
|
|
return false;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2009-03-31 17:15:04 +02:00
|
|
|
lhs = SET_DEST (set);
|
|
|
|
if (!REG_P (lhs))
|
|
|
|
return false;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
rhs = find_reg_equal_equiv_note (insn);
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
if (rhs)
|
|
|
|
rhs = XEXP (rhs, 0);
|
|
|
|
else
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
rhs = SET_SRC (set);
|
|
|
|
|
|
|
|
if (!simple_rhs_p (rhs))
|
2009-03-31 17:15:04 +02:00
|
|
|
return false;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2009-03-31 17:15:04 +02:00
|
|
|
*dest = lhs;
|
|
|
|
*src = rhs;
|
|
|
|
return true;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
2009-03-31 17:24:24 +02:00
|
|
|
/* Using the data returned by suitable_set_for_replacement, replace DEST
|
|
|
|
with SRC in *EXPR and return the new expression. Also call
|
|
|
|
replace_single_def_regs if the replacement changed something. */
|
|
|
|
static void
|
|
|
|
replace_in_expr (rtx *expr, rtx dest, rtx src)
|
|
|
|
{
|
|
|
|
rtx old = *expr;
|
|
|
|
*expr = simplify_replace_rtx (*expr, dest, src);
|
|
|
|
if (old == *expr)
|
|
|
|
return;
|
2014-08-28 08:23:42 +02:00
|
|
|
replace_single_def_regs (expr);
|
2009-03-31 17:24:24 +02:00
|
|
|
}
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
/* Checks whether A implies B. */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
implies_p (rtx a, rtx b)
|
|
|
|
{
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
rtx op0, op1, opb0, opb1, r;
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
machine_mode mode;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2013-03-20 14:24:12 +01:00
|
|
|
if (rtx_equal_p (a, b))
|
|
|
|
return true;
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
if (GET_CODE (a) == EQ)
|
|
|
|
{
|
|
|
|
op0 = XEXP (a, 0);
|
|
|
|
op1 = XEXP (a, 1);
|
|
|
|
|
2013-03-20 14:24:12 +01:00
|
|
|
if (REG_P (op0)
|
|
|
|
|| (GET_CODE (op0) == SUBREG
|
|
|
|
&& REG_P (SUBREG_REG (op0))))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
r = simplify_replace_rtx (b, op0, op1);
|
|
|
|
if (r == const_true_rtx)
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2013-03-20 14:24:12 +01:00
|
|
|
if (REG_P (op1)
|
|
|
|
|| (GET_CODE (op1) == SUBREG
|
|
|
|
&& REG_P (SUBREG_REG (op1))))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
r = simplify_replace_rtx (b, op1, op0);
|
|
|
|
if (r == const_true_rtx)
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2007-02-24 14:40:54 +01:00
|
|
|
if (b == const_true_rtx)
|
|
|
|
return true;
|
|
|
|
|
|
|
|
if ((GET_RTX_CLASS (GET_CODE (a)) != RTX_COMM_COMPARE
|
|
|
|
&& GET_RTX_CLASS (GET_CODE (a)) != RTX_COMPARE)
|
|
|
|
|| (GET_RTX_CLASS (GET_CODE (b)) != RTX_COMM_COMPARE
|
|
|
|
&& GET_RTX_CLASS (GET_CODE (b)) != RTX_COMPARE))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
op0 = XEXP (a, 0);
|
|
|
|
op1 = XEXP (a, 1);
|
|
|
|
opb0 = XEXP (b, 0);
|
|
|
|
opb1 = XEXP (b, 1);
|
|
|
|
|
|
|
|
mode = GET_MODE (op0);
|
|
|
|
if (mode != GET_MODE (opb0))
|
|
|
|
mode = VOIDmode;
|
|
|
|
else if (mode == VOIDmode)
|
|
|
|
{
|
|
|
|
mode = GET_MODE (op1);
|
|
|
|
if (mode != GET_MODE (opb1))
|
|
|
|
mode = VOIDmode;
|
|
|
|
}
|
|
|
|
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
/* A < B implies A + 1 <= B. */
|
|
|
|
if ((GET_CODE (a) == GT || GET_CODE (a) == LT)
|
|
|
|
&& (GET_CODE (b) == GE || GET_CODE (b) == LE))
|
|
|
|
{
|
|
|
|
|
|
|
|
if (GET_CODE (a) == GT)
|
|
|
|
{
|
|
|
|
r = op0;
|
|
|
|
op0 = op1;
|
|
|
|
op1 = r;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (GET_CODE (b) == GE)
|
|
|
|
{
|
|
|
|
r = opb0;
|
|
|
|
opb0 = opb1;
|
|
|
|
opb1 = r;
|
|
|
|
}
|
|
|
|
|
2006-12-11 22:29:44 +01:00
|
|
|
if (SCALAR_INT_MODE_P (mode)
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
&& rtx_equal_p (op1, opb1)
|
|
|
|
&& simplify_gen_binary (MINUS, mode, opb0, op0) == const1_rtx)
|
|
|
|
return true;
|
2007-02-24 14:40:54 +01:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* A < B or A > B imply A != B. TODO: Likewise
|
|
|
|
A + n < B implies A != B + n if neither wraps. */
|
|
|
|
if (GET_CODE (b) == NE
|
|
|
|
&& (GET_CODE (a) == GT || GET_CODE (a) == GTU
|
|
|
|
|| GET_CODE (a) == LT || GET_CODE (a) == LTU))
|
|
|
|
{
|
|
|
|
if (rtx_equal_p (op0, opb0)
|
|
|
|
&& rtx_equal_p (op1, opb1))
|
|
|
|
return true;
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
}
|
|
|
|
|
2007-02-24 14:40:54 +01:00
|
|
|
/* For unsigned comparisons, A != 0 implies A > 0 and A >= 1. */
|
|
|
|
if (GET_CODE (a) == NE
|
|
|
|
&& op1 == const0_rtx)
|
|
|
|
{
|
|
|
|
if ((GET_CODE (b) == GTU
|
|
|
|
&& opb1 == const0_rtx)
|
|
|
|
|| (GET_CODE (b) == GEU
|
|
|
|
&& opb1 == const1_rtx))
|
|
|
|
return rtx_equal_p (op0, opb0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* A != N is equivalent to A - (N + 1) <u -1. */
|
|
|
|
if (GET_CODE (a) == NE
|
2009-06-22 12:29:13 +02:00
|
|
|
&& CONST_INT_P (op1)
|
2007-02-24 14:40:54 +01:00
|
|
|
&& GET_CODE (b) == LTU
|
|
|
|
&& opb1 == constm1_rtx
|
|
|
|
&& GET_CODE (opb0) == PLUS
|
2009-06-22 12:29:13 +02:00
|
|
|
&& CONST_INT_P (XEXP (opb0, 1))
|
2007-02-24 14:40:54 +01:00
|
|
|
/* Avoid overflows. */
|
|
|
|
&& ((unsigned HOST_WIDE_INT) INTVAL (XEXP (opb0, 1))
|
|
|
|
!= ((unsigned HOST_WIDE_INT)1
|
|
|
|
<< (HOST_BITS_PER_WIDE_INT - 1)) - 1)
|
|
|
|
&& INTVAL (XEXP (opb0, 1)) + 1 == -INTVAL (op1))
|
|
|
|
return rtx_equal_p (op0, XEXP (opb0, 0));
|
|
|
|
|
|
|
|
/* Likewise, A != N implies A - N > 0. */
|
|
|
|
if (GET_CODE (a) == NE
|
2009-06-22 12:29:13 +02:00
|
|
|
&& CONST_INT_P (op1))
|
2007-02-24 14:40:54 +01:00
|
|
|
{
|
|
|
|
if (GET_CODE (b) == GTU
|
|
|
|
&& GET_CODE (opb0) == PLUS
|
|
|
|
&& opb1 == const0_rtx
|
2009-06-22 12:29:13 +02:00
|
|
|
&& CONST_INT_P (XEXP (opb0, 1))
|
2007-02-24 14:40:54 +01:00
|
|
|
/* Avoid overflows. */
|
|
|
|
&& ((unsigned HOST_WIDE_INT) INTVAL (XEXP (opb0, 1))
|
|
|
|
!= ((unsigned HOST_WIDE_INT) 1 << (HOST_BITS_PER_WIDE_INT - 1)))
|
|
|
|
&& rtx_equal_p (XEXP (opb0, 0), op0))
|
|
|
|
return INTVAL (op1) == -INTVAL (XEXP (opb0, 1));
|
|
|
|
if (GET_CODE (b) == GEU
|
|
|
|
&& GET_CODE (opb0) == PLUS
|
|
|
|
&& opb1 == const1_rtx
|
2009-06-22 12:29:13 +02:00
|
|
|
&& CONST_INT_P (XEXP (opb0, 1))
|
2007-02-24 14:40:54 +01:00
|
|
|
/* Avoid overflows. */
|
|
|
|
&& ((unsigned HOST_WIDE_INT) INTVAL (XEXP (opb0, 1))
|
|
|
|
!= ((unsigned HOST_WIDE_INT) 1 << (HOST_BITS_PER_WIDE_INT - 1)))
|
|
|
|
&& rtx_equal_p (XEXP (opb0, 0), op0))
|
|
|
|
return INTVAL (op1) == -INTVAL (XEXP (opb0, 1));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* A >s X, where X is positive, implies A <u Y, if Y is negative. */
|
|
|
|
if ((GET_CODE (a) == GT || GET_CODE (a) == GE)
|
2009-06-22 12:29:13 +02:00
|
|
|
&& CONST_INT_P (op1)
|
2007-02-24 14:40:54 +01:00
|
|
|
&& ((GET_CODE (a) == GT && op1 == constm1_rtx)
|
|
|
|
|| INTVAL (op1) >= 0)
|
|
|
|
&& GET_CODE (b) == LTU
|
2009-06-22 12:29:13 +02:00
|
|
|
&& CONST_INT_P (opb1)
|
2009-02-13 12:35:47 +01:00
|
|
|
&& rtx_equal_p (op0, opb0))
|
2007-02-24 14:40:54 +01:00
|
|
|
return INTVAL (opb1) < 0;
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Canonicalizes COND so that
|
|
|
|
|
|
|
|
(1) Ensure that operands are ordered according to
|
|
|
|
swap_commutative_operands_p.
|
|
|
|
(2) (LE x const) will be replaced with (LT x <const+1>) and similarly
|
|
|
|
for GE, GEU, and LEU. */
|
|
|
|
|
|
|
|
rtx
|
|
|
|
canon_condition (rtx cond)
|
|
|
|
{
|
|
|
|
rtx tem;
|
|
|
|
rtx op0, op1;
|
|
|
|
enum rtx_code code;
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
machine_mode mode;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
code = GET_CODE (cond);
|
|
|
|
op0 = XEXP (cond, 0);
|
|
|
|
op1 = XEXP (cond, 1);
|
|
|
|
|
|
|
|
if (swap_commutative_operands_p (op0, op1))
|
|
|
|
{
|
|
|
|
code = swap_condition (code);
|
|
|
|
tem = op0;
|
|
|
|
op0 = op1;
|
|
|
|
op1 = tem;
|
|
|
|
}
|
|
|
|
|
|
|
|
mode = GET_MODE (op0);
|
|
|
|
if (mode == VOIDmode)
|
|
|
|
mode = GET_MODE (op1);
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
gcc_assert (mode != VOIDmode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2015-04-29 13:12:17 +02:00
|
|
|
if (CONST_SCALAR_INT_P (op1) && GET_MODE_CLASS (mode) != MODE_CC)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
2015-04-29 13:12:17 +02:00
|
|
|
rtx_mode_t const_val (op1, mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
switch (code)
|
|
|
|
{
|
|
|
|
case LE:
|
2015-04-29 13:12:17 +02:00
|
|
|
if (wi::ne_p (const_val, wi::max_value (mode, SIGNED)))
|
|
|
|
{
|
|
|
|
code = LT;
|
|
|
|
op1 = immed_wide_int_const (wi::add (const_val, 1), mode);
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case GE:
|
2015-04-29 13:12:17 +02:00
|
|
|
if (wi::ne_p (const_val, wi::min_value (mode, SIGNED)))
|
|
|
|
{
|
|
|
|
code = GT;
|
|
|
|
op1 = immed_wide_int_const (wi::sub (const_val, 1), mode);
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case LEU:
|
2015-04-29 13:12:17 +02:00
|
|
|
if (wi::ne_p (const_val, -1))
|
|
|
|
{
|
|
|
|
code = LTU;
|
|
|
|
op1 = immed_wide_int_const (wi::add (const_val, 1), mode);
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case GEU:
|
2015-04-29 13:12:17 +02:00
|
|
|
if (wi::ne_p (const_val, 0))
|
|
|
|
{
|
|
|
|
code = GTU;
|
|
|
|
op1 = immed_wide_int_const (wi::sub (const_val, 1), mode);
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (op0 != XEXP (cond, 0)
|
|
|
|
|| op1 != XEXP (cond, 1)
|
|
|
|
|| code != GET_CODE (cond)
|
|
|
|
|| GET_MODE (cond) != SImode)
|
|
|
|
cond = gen_rtx_fmt_ee (code, SImode, op0, op1);
|
|
|
|
|
|
|
|
return cond;
|
|
|
|
}
|
|
|
|
|
2014-04-23 15:48:12 +02:00
|
|
|
/* Reverses CONDition; returns NULL if we cannot. */
|
|
|
|
|
|
|
|
static rtx
|
|
|
|
reversed_condition (rtx cond)
|
|
|
|
{
|
|
|
|
enum rtx_code reversed;
|
|
|
|
reversed = reversed_comparison_code (cond, NULL);
|
|
|
|
if (reversed == UNKNOWN)
|
|
|
|
return NULL_RTX;
|
|
|
|
else
|
|
|
|
return gen_rtx_fmt_ee (reversed,
|
|
|
|
GET_MODE (cond), XEXP (cond, 0),
|
|
|
|
XEXP (cond, 1));
|
|
|
|
}
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
/* Tries to use the fact that COND holds to simplify EXPR. ALTERED is the
|
|
|
|
set of altered regs. */
|
|
|
|
|
|
|
|
void
|
|
|
|
simplify_using_condition (rtx cond, rtx *expr, regset altered)
|
|
|
|
{
|
|
|
|
rtx rev, reve, exp = *expr;
|
|
|
|
|
|
|
|
/* If some register gets altered later, we do not really speak about its
|
|
|
|
value at the time of comparison. */
|
2014-08-28 08:23:47 +02:00
|
|
|
if (altered && altered_reg_used (cond, altered))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return;
|
|
|
|
|
2009-03-31 17:16:41 +02:00
|
|
|
if (GET_CODE (cond) == EQ
|
|
|
|
&& REG_P (XEXP (cond, 0)) && CONSTANT_P (XEXP (cond, 1)))
|
|
|
|
{
|
|
|
|
*expr = simplify_replace_rtx (*expr, XEXP (cond, 0), XEXP (cond, 1));
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!COMPARISON_P (exp))
|
|
|
|
return;
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
rev = reversed_condition (cond);
|
|
|
|
reve = reversed_condition (exp);
|
|
|
|
|
|
|
|
cond = canon_condition (cond);
|
|
|
|
exp = canon_condition (exp);
|
|
|
|
if (rev)
|
|
|
|
rev = canon_condition (rev);
|
|
|
|
if (reve)
|
|
|
|
reve = canon_condition (reve);
|
|
|
|
|
|
|
|
if (rtx_equal_p (exp, cond))
|
|
|
|
{
|
|
|
|
*expr = const_true_rtx;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (rev && rtx_equal_p (exp, rev))
|
|
|
|
{
|
|
|
|
*expr = const0_rtx;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (implies_p (cond, exp))
|
|
|
|
{
|
|
|
|
*expr = const_true_rtx;
|
|
|
|
return;
|
|
|
|
}
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
if (reve && implies_p (cond, reve))
|
|
|
|
{
|
|
|
|
*expr = const0_rtx;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* A proof by contradiction. If *EXPR implies (not cond), *EXPR must
|
|
|
|
be false. */
|
|
|
|
if (rev && implies_p (exp, rev))
|
|
|
|
{
|
|
|
|
*expr = const0_rtx;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Similarly, If (not *EXPR) implies (not cond), *EXPR must be true. */
|
|
|
|
if (rev && reve && implies_p (reve, rev))
|
|
|
|
{
|
|
|
|
*expr = const_true_rtx;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* We would like to have some other tests here. TODO. */
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Use relationship between A and *B to eventually eliminate *B.
|
|
|
|
OP is the operation we consider. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
eliminate_implied_condition (enum rtx_code op, rtx a, rtx *b)
|
|
|
|
{
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
switch (op)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
case AND:
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
/* If A implies *B, we may replace *B by true. */
|
|
|
|
if (implies_p (a, *b))
|
|
|
|
*b = const_true_rtx;
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
case IOR:
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
/* If *B implies A, we may replace *B by false. */
|
|
|
|
if (implies_p (*b, a))
|
|
|
|
*b = const0_rtx;
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
gcc_unreachable ();
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Eliminates the conditions in TAIL that are implied by HEAD. OP is the
|
|
|
|
operation we consider. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
eliminate_implied_conditions (enum rtx_code op, rtx *head, rtx tail)
|
|
|
|
{
|
|
|
|
rtx elt;
|
|
|
|
|
|
|
|
for (elt = tail; elt; elt = XEXP (elt, 1))
|
|
|
|
eliminate_implied_condition (op, *head, &XEXP (elt, 0));
|
|
|
|
for (elt = tail; elt; elt = XEXP (elt, 1))
|
|
|
|
eliminate_implied_condition (op, XEXP (elt, 0), head);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Simplifies *EXPR using initial values at the start of the LOOP. If *EXPR
|
|
|
|
is a list, its elements are assumed to be combined using OP. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
simplify_using_initial_values (struct loop *loop, enum rtx_code op, rtx *expr)
|
|
|
|
{
|
2009-03-31 17:15:04 +02:00
|
|
|
bool expression_valid;
|
2014-08-27 22:40:05 +02:00
|
|
|
rtx head, tail, last_valid_expr;
|
|
|
|
rtx_expr_list *cond_list;
|
2014-08-22 20:12:28 +02:00
|
|
|
rtx_insn *insn;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
rtx neutral, aggr;
|
2009-03-31 17:15:04 +02:00
|
|
|
regset altered, this_altered;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
edge e;
|
|
|
|
|
|
|
|
if (!*expr)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (CONSTANT_P (*expr))
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (GET_CODE (*expr) == EXPR_LIST)
|
|
|
|
{
|
|
|
|
head = XEXP (*expr, 0);
|
|
|
|
tail = XEXP (*expr, 1);
|
|
|
|
|
|
|
|
eliminate_implied_conditions (op, &head, tail);
|
|
|
|
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
switch (op)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
case AND:
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
neutral = const_true_rtx;
|
|
|
|
aggr = const0_rtx;
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
case IOR:
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
neutral = const0_rtx;
|
|
|
|
aggr = const_true_rtx;
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
break;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
default:
|
|
|
|
gcc_unreachable ();
|
|
|
|
}
|
2009-11-25 11:55:54 +01:00
|
|
|
|
rtl.def (NIL): Delete.
* rtl.def (NIL): Delete.
* read-rtl.c (read_rtx): Handle (nil) like (define_constants).
Tighten the syntax a little.
* cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
* config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
* config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
* config/i386/predicates.md, config/m32r/m32r.h
* config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
* config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
* config/sparc/sparc.h, doc/tm.texi:
Replace all occurrences of NIL with UNKNOWN.
From-SVN: r86193
2004-08-18 19:05:14 +02:00
|
|
|
simplify_using_initial_values (loop, UNKNOWN, &head);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
if (head == aggr)
|
|
|
|
{
|
|
|
|
XEXP (*expr, 0) = aggr;
|
|
|
|
XEXP (*expr, 1) = NULL_RTX;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
else if (head == neutral)
|
|
|
|
{
|
|
|
|
*expr = tail;
|
|
|
|
simplify_using_initial_values (loop, op, expr);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
simplify_using_initial_values (loop, op, &tail);
|
|
|
|
|
|
|
|
if (tail && XEXP (tail, 0) == aggr)
|
|
|
|
{
|
|
|
|
*expr = tail;
|
|
|
|
return;
|
|
|
|
}
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
XEXP (*expr, 0) = head;
|
|
|
|
XEXP (*expr, 1) = tail;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
gcc_assert (op == UNKNOWN);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2014-08-28 08:23:42 +02:00
|
|
|
replace_single_def_regs (expr);
|
2009-03-31 17:24:24 +02:00
|
|
|
if (CONSTANT_P (*expr))
|
|
|
|
return;
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
e = loop_preheader_edge (loop);
|
Eliminate ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR macros
gcc/
* basic-block.h (ENTRY_BLOCK_PTR_FOR_FUNCTION): Rename macro to...
(EXIT_BLOCK_PTR_FOR_FUNCTION): ...this.
(ENTRY_BLOCK_PTR_FOR_FN): Renamed macro to...
(EXIT_BLOCK_PTR_FOR_FN): ...this.
(ENTRY_BLOCK_PTR): Eliminate macro as work towards making uses of
cfun be explicit.
(EXIT_BLOCK_PTR): Likewise.
(FOR_ALL_BB): Rework for now to eliminate use of "ENTRY_BLOCK_PTR".
(FOR_ALL_BB_FN): Update for renaming of
"ENTRY_BLOCK_PTR_FOR_FUNCTION" to "ENTRY_BLOCK_PTR_FOR_FN".
* cfg.c (init_flow): Likewise.
(check_bb_profile): Likewise.
* cfganal.c (pre_and_rev_post_order_compute_fn): Likewise.
* cfgcleanup.c (walk_to_nondebug_insn): Likewise.
* cfghooks.c (account_profile_record): Likewise.
* cfgloop.c (init_loops_structure): Likewise.
* cgraphbuild.c (record_eh_tables): Likewise.
(compute_call_stmt_bb_frequency): Likewise.
* ipa-inline-analysis.c (compute_bb_predicates): Likewise.
* lto-streamer-in.c (input_cfg): Likewise.
* predict.c (maybe_hot_frequency_p): Likewise.
* tree-cfg.c (init_empty_tree_cfg_for_function): Likewise.
* tree-inline.c (initialize_cfun): Likewise.
(copy_cfg_body): Likewise.
(copy_body): Likewise.
(tree_function_versioning): Likewise.
* bb-reorder.c (add_labels_and_missing_jumps): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(duplicate_computed_gotos): Remove usage of EXIT_BLOCK_PTR macro.
(find_rarely_executed_basic_blocks_and_crossing_edges): Remove uses of
macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(connect_traces): Likewise.
(rest_of_handle_reorder_blocks): Remove usage of EXIT_BLOCK_PTR macro.
(bb_to_key): Remove usage of ENTRY_BLOCK_PTR macro.
(fix_crossing_conditional_branches): Remove usage of EXIT_BLOCK_PTR
macro.
(find_traces_1_round): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(fix_up_fall_thru_edges): Remove usage of EXIT_BLOCK_PTR macro.
(find_traces): Remove usage of ENTRY_BLOCK_PTR macro.
(fix_up_crossing_landing_pad): Remove usage of EXIT_BLOCK_PTR macro.
(rotate_loop): Likewise.
* bt-load.c (migrate_btr_def): Remove usage of ENTRY_BLOCK_PTR macro.
* cfg.c (clear_aux_for_edges): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(alloc_aux_for_edges): Likewise.
(clear_bb_flags): Remove usage of ENTRY_BLOCK_PTR macro.
(cached_make_edge): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compact_blocks): Likewise.
(clear_edges): Likewise.
* cfganal.c (single_pred_before_succ_order): Remove usage of
ENTRY_BLOCK_PTR macro.
(bitmap_union_of_succs): Remove usage of EXIT_BLOCK_PTR macro.
(bitmap_union_of_preds): Remove usage of ENTRY_BLOCK_PTR macro.
(bitmap_intersection_of_succs): Remove usage of EXIT_BLOCK_PTR macro.
(bitmap_intersection_of_preds): Remove usage of ENTRY_BLOCK_PTR macro.
(inverted_post_order_compute): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compute_dominance_frontiers_1): Remove usage of ENTRY_BLOCK_PTR
macro.
(post_order_compute): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(connect_infinite_loops_to_exit): Remove usage of EXIT_BLOCK_PTR
macro.
(remove_fake_edges): Remove usage of ENTRY_BLOCK_PTR macro.
(add_noreturn_fake_exit_edges): Remove usage of EXIT_BLOCK_PTR macro.
(find_pdom): Remove uses of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(remove_fake_exit_edges): Remove usage of EXIT_BLOCK_PTR macro.
(verify_edge_list): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(print_edge_list): Likewise.
(create_edge_list): Likewise.
(find_unreachable_blocks): Remove usage of ENTRY_BLOCK_PTR macro.
(mark_dfs_back_edges): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
* cfgbuild.c (find_bb_boundaries): Remove usage of ENTRY_BLOCK_PTR
macro.
(find_many_sub_basic_blocks): Remove usage of EXIT_BLOCK_PTR macro.
(make_edges): Remove uses of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* cfgcleanup.c (delete_unreachable_blocks): Likewise.
(try_optimize_cfg): Likewise.
(try_head_merge_bb): Remove usage of EXIT_BLOCK_PTR macro.
(try_crossjump_to_edge): Remove usage of ENTRY_BLOCK_PTR macro.
(try_crossjump_bb): Remove usage of EXIT_BLOCK_PTR macro.
(merge_blocks_move): Remove usage of ENTRY_BLOCK_PTR macro.
(outgoing_edges_match): Remove usage of EXIT_BLOCK_PTR macro.
(try_forward_edges): Likewise.
(try_simplify_condjump): Likewise.
* cfgexpand.c (gimple_expand_cfg): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(construct_exit_block): Remove usage of EXIT_BLOCK_PTR macro.
(construct_init_block): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(expand_gimple_basic_block): Remove usage of EXIT_BLOCK_PTR macro.
(expand_gimple_tailcall): Likewise.
* cfghooks.c (can_duplicate_block_p): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(tidy_fallthru_edges): Likewise.
(verify_flow_info): Likewise.
* cfgloop.c (flow_bb_inside_loop_p): Likewise.
(num_loop_branches): Remove usage of EXIT_BLOCK_PTR macro.
(disambiguate_multiple_latches): Remove usage of ENTRY_BLOCK_PTR
macro.
(get_loop_exit_edges): Remove usage of EXIT_BLOCK_PTR macro.
(bb_loop_header_p): Remove usage of ENTRY_BLOCK_PTR macro.
(get_loop_body_in_bfs_order): Remove usage of EXIT_BLOCK_PTR macro.
(get_loop_body_in_dom_order): Likewise.
(get_loop_body): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* cfgloopmanip.c (create_preheader): Remove usage of ENTRY_BLOCK_PTR
macro.
(remove_path): Remove usage of EXIT_BLOCK_PTR macro.
(fix_bb_placement): Likewise.
* cfgrtl.c (rtl_block_empty_p): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(rtl_can_remove_branch_p): Remove usage of EXIT_BLOCK_PTR macro.
(cfg_layout_split_edge): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(rtl_flow_call_edges_add): Remove usage of EXIT_BLOCK_PTR macro.
(cfg_layout_can_merge_blocks_p): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(cfg_layout_redirect_edge_and_branch): Remove usage of ENTRY_BLOCK_PTR
macro.
(fixup_fallthru_exit_predecessor): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(fixup_reorder_chain): Likewise.
(relink_block_chain): Likewise.
(cfg_layout_delete_block): Remove usage of EXIT_BLOCK_PTR macro.
(rtl_verify_bb_layout): Remove usage of ENTRY_BLOCK_PTR macro.
(cfg_layout_duplicate_bb): Remove usage of EXIT_BLOCK_PTR macro.
(force_one_exit_fallthru): Likewise.
(rtl_verify_fallthru): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(rtl_verify_edges): Likewise.
(commit_edge_insertions): Likewise.
(commit_one_edge_insertion): Likewise.
(rtl_split_edge): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(outof_cfg_layout_mode): Remove usage of EXIT_BLOCK_PTR macro.
(skip_insns_after_block): Likewise.
(fixup_partition_crossing): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(purge_dead_edges): Remove usage of EXIT_BLOCK_PTR macro.
(rtl_can_merge_blocks): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(contains_no_active_insn_p): Likewise.
(emit_insn_at_entry): Remove usage of ENTRY_BLOCK_PTR macro.
(entry_of_function): Likewise.
(last_bb_in_partition): Remove usage of EXIT_BLOCK_PTR macro.
(fixup_new_cold_bb): Likewise.
(patch_jump_insn): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(block_label): Likewise.
(could_fall_through): Likewise.
(can_fallthru): Likewise.
* cgraphbuild.c (cgraph_rebuild_references): Remove usage of
ENTRY_BLOCK_PTR macro.
(rebuild_cgraph_edges): Likewise.
* cgraphunit.c (init_lowered_empty_function): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(expand_thunk): Remove usage of EXIT_BLOCK_PTR macro.
* combine.c (get_last_value): Remove usage of ENTRY_BLOCK_PTR macro.
(distribute_links): Remove usage of EXIT_BLOCK_PTR macro.
(get_last_value_validate): Remove usage of ENTRY_BLOCK_PTR macro.
(try_combine): Remove usage of EXIT_BLOCK_PTR macro.
(reg_num_sign_bit_copies_for_combine): Remove usage of ENTRY_BLOCK_PTR
macro.
(reg_nonzero_bits_for_combine): Likewise.
(set_nonzero_bits_and_sign_copies): Likewise.
(combine_instructions): Likewise.
* cprop.c (one_cprop_pass): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(bypass_conditional_jumps): Likewise.
(bypass_block): Remove usage of EXIT_BLOCK_PTR macro.
(find_implicit_sets): Likewise.
(cprop_jump): Likewise.
* cse.c (cse_cc_succs): Likewise.
(cse_find_path): Likewise.
* df-problems.c (df_lr_confluence_0): Likewise.
* df-scan.c (df_entry_block_defs_collect): Remove usage of
ENTRY_BLOCK_PTR macro.
(df_exit_block_uses_collect): Remove usage of EXIT_BLOCK_PTR macro.
* dominance.c (iterate_fix_dominators): Remove usage of
ENTRY_BLOCK_PTR macro.
(calc_idoms): Remove uses of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(determine_dominators_for_sons): Remove usage of ENTRY_BLOCK_PTR
macro.
(calc_dfs_tree): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(prune_bbs_to_update_dominators): Remove usage of ENTRY_BLOCK_PTR
macro.
(calc_dfs_tree_nonrec): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
* domwalk.c (cmp_bb_postorder): Likewise.
* dse.c (dse_step1): Remove usage of EXIT_BLOCK_PTR macro.
* except.c (finish_eh_generation): Remove usage of ENTRY_BLOCK_PTR
macro.
(sjlj_emit_function_enter): Likewise.
* final.c (compute_alignments): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Remove uses of
macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(reposition_prologue_and_epilogue_notes): Remove usage of
EXIT_BLOCK_PTR macro.
(convert_jumps_to_returns): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(regno_clobbered_at_setjmp): Remove usage of ENTRY_BLOCK_PTR macro.
(next_block_for_reg): Remove usage of EXIT_BLOCK_PTR macro.
* gcse.c (hoist_code): Remove usage of ENTRY_BLOCK_PTR macro.
(update_bb_reg_pressure): Remove usage of EXIT_BLOCK_PTR macro.
(compute_code_hoist_vbeinout): Likewise.
(should_hoist_expr_to_dom): Remove usage of ENTRY_BLOCK_PTR macro.
(pre_expr_reaches_here_p_work): Likewise.
* gimple-iterator.c (gsi_commit_edge_inserts): Likewise.
(gimple_find_edge_insert_loc): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
* gimple-ssa-strength-reduction.c (slsr_process_phi): Remove usage of
ENTRY_BLOCK_PTR macro.
* graph.c (draw_cfg_nodes_for_loop): Remove usage of EXIT_BLOCK_PTR
macro.
* graphite-clast-to-gimple.c (translate_clast_user): Remove usage of
ENTRY_BLOCK_PTR macro.
* graphite-scop-detection.c (build_scops): Likewise.
(create_sese_edges): Remove usage of EXIT_BLOCK_PTR macro.
(scopdet_basic_block_info): Remove usage of ENTRY_BLOCK_PTR macro.
* haifa-sched.c (restore_bb_notes): Remove usage of EXIT_BLOCK_PTR
macro.
(unlink_bb_notes): Likewise.
(create_check_block_twin): Likewise.
(init_before_recovery): Likewise.
(sched_extend_bb): Likewise.
(priority): Likewise.
* hw-doloop.c (reorder_loops): Likewise.
(discover_loop): Likewise.
* ifcvt.c (dead_or_predicable): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(find_if_case_1): Remove usage of EXIT_BLOCK_PTR macro.
(block_has_only_trap): Likewise.
(cond_exec_find_if_block): Likewise.
(merge_if_block): Likewise.
* ipa-inline-analysis.c (param_change_prob): Remove usage of
ENTRY_BLOCK_PTR macro.
(record_modified): Likewise.
* ipa-pure-const.c (execute_warn_function_noreturn): Remove usage of
EXIT_BLOCK_PTR macro.
(local_pure_const): Likewise.
* ipa-split.c (split_function): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(find_split_points): Likewise.
(consider_split): Likewise.
(find_return_bb): Remove usage of EXIT_BLOCK_PTR macro.
(verify_non_ssa_vars): Remove usage of ENTRY_BLOCK_PTR macro.
* ira-build.c (ira_loop_tree_body_rev_postorder): Likewise.
* ira-color.c (print_loop_title): Remove usage of EXIT_BLOCK_PTR
macro.
* ira-emit.c (entered_from_non_parent_p): Remove usage of
ENTRY_BLOCK_PTR macro.
(ira_emit): Remove usage of EXIT_BLOCK_PTR macro.
* ira-int.h (ira_assert): Remove usage of ENTRY_BLOCK_PTR macro.
* ira.c (split_live_ranges_for_shrink_wrap): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* lcm.c (compute_rev_insert_delete): Remove usage of ENTRY_BLOCK_PTR
macro.
(compute_nearerout): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compute_farthest): Likewise.
(compute_available): Likewise.
(compute_insert_delete): Remove usage of EXIT_BLOCK_PTR macro.
(compute_laterin): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compute_earliest): Likewise.
(compute_antinout_edge): Likewise.
* loop-iv.c (simplify_using_initial_values): Remove usage of
ENTRY_BLOCK_PTR macro.
* loop-unswitch.c (unswitch_loop): Remove usage of EXIT_BLOCK_PTR
macro.
* lra-assigns.c (find_hard_regno_for): Remove usage of ENTRY_BLOCK_PTR
macro.
* lra-constraints.c (lra_inheritance): Remove usage of EXIT_BLOCK_PTR
macro.
* lra-lives.c (lra_create_live_ranges): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* lra.c (has_nonexceptional_receiver): Remove usage of EXIT_BLOCK_PTR
macro.
* lto-streamer-in.c (input_function): Remove usage of ENTRY_BLOCK_PTR
macro.
* lto-streamer-out.c (output_cfg): Likewise.
* mcf.c (adjust_cfg_counts): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(create_fixup_graph): Remove usage of ENTRY_BLOCK_PTR macro.
* mode-switching.c (optimize_mode_switching): Likewise.
(create_pre_exit): Remove usage of EXIT_BLOCK_PTR macro.
* modulo-sched.c (rest_of_handle_sms): Likewise.
(canon_loop): Likewise.
* omp-low.c (build_omp_regions): Remove usage of ENTRY_BLOCK_PTR
macro.
* postreload-gcse.c (eliminate_partially_redundant_loads): Remove uses
of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* predict.c (rebuild_frequencies): Remove usage of ENTRY_BLOCK_PTR
macro.
(propagate_freq): Remove usage of EXIT_BLOCK_PTR macro.
(estimate_bb_frequencies): Remove usage of ENTRY_BLOCK_PTR macro.
(tree_estimate_probability_bb): Remove usage of EXIT_BLOCK_PTR macro.
(expensive_function_p): Remove usage of ENTRY_BLOCK_PTR macro.
(tree_bb_level_predictions): Remove usage of EXIT_BLOCK_PTR macro.
(counts_to_freqs): Remove usage of ENTRY_BLOCK_PTR macro.
(apply_return_prediction): Remove usage of EXIT_BLOCK_PTR macro.
(estimate_loops): Remove usage of ENTRY_BLOCK_PTR macro.
(gimple_predict_edge): Likewise.
(probably_never_executed): Likewise.
* profile.c (find_spanning_tree): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(branch_prob): Likewise.
(compute_branch_probabilities): Likewise.
(compute_frequency_overlap): Remove usage of ENTRY_BLOCK_PTR macro.
(is_inconsistent): Remove usage of EXIT_BLOCK_PTR macro.
(read_profile_edge_counts): Remove usage of ENTRY_BLOCK_PTR macro.
(set_bb_counts): Likewise.
(correct_negative_edge_counts): Likewise.
(get_exec_counts): Likewise.
(instrument_values): Likewise.
(instrument_edges): Likewise.
* reg-stack.c (convert_regs): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compensate_edges): Remove usage of ENTRY_BLOCK_PTR macro.
(convert_regs_exit): Remove usage of EXIT_BLOCK_PTR macro.
(convert_regs_entry): Remove usage of ENTRY_BLOCK_PTR macro.
(reg_to_stack): Likewise.
* regs.h (REG_N_SETS): Likewise.
* reload.c (find_dummy_reload): Likewise.
(combine_reloads): Likewise.
(push_reload): Likewise.
* reload1.c (has_nonexceptional_receiver): Remove usage of
EXIT_BLOCK_PTR macro.
* resource.c (mark_target_live_regs): Remove usage of ENTRY_BLOCK_PTR
macro.
(find_basic_block): Likewise.
* sched-ebb.c (ebb_add_block): Remove usage of EXIT_BLOCK_PTR macro.
(schedule_ebbs): Likewise.
* sched-int.h (sel_sched_p): Likewise.
* sched-rgn.c (compute_dom_prob_ps): Remove usage of ENTRY_BLOCK_PTR
macro.
(rgn_add_block): Remove usage of EXIT_BLOCK_PTR macro.
(haifa_find_rgns): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(propagate_deps): Remove usage of EXIT_BLOCK_PTR macro.
(extend_rgns): Likewise.
(find_single_block_region): Likewise.
* sel-sched-ir.c (sel_remove_loop_preheader): Remove usage of
ENTRY_BLOCK_PTR macro.
(setup_nop_and_exit_insns): Remove usage of EXIT_BLOCK_PTR macro.
(sel_create_recovery_block): Likewise.
(bb_ends_ebb_p): Likewise.
(sel_bb_end): Likewise.
(sel_bb_head): Likewise.
(free_lv_sets): Likewise.
(init_lv_sets): Likewise.
(tidy_control_flow): Likewise.
(maybe_tidy_empty_bb): Likewise.
* sel-sched-ir.h (_succ_iter_cond): Likewise.
(_succ_iter_start): Likewise.
(sel_bb_empty_or_nop_p): Likewise.
(get_loop_exit_edges_unique_dests): Likewise.
(inner_loop_header_p): Likewise.
* sel-sched.c (create_block_for_bookkeeping): Likewise.
(find_block_for_bookkeeping): Likewise.
* store-motion.c (remove_reachable_equiv_notes): Likewise.
(insert_store): Likewise.
* trans-mem.c (ipa_tm_transform_clone): Remove usage of
ENTRY_BLOCK_PTR macro.
(tm_memopt_compute_available): Remove usage of EXIT_BLOCK_PTR macro.
(ipa_tm_scan_irr_function): Remove usage of ENTRY_BLOCK_PTR macro.
(gate_tm_init): Likewise.
(tm_region_init): Likewise.
* tree-cfg.c (execute_fixup_cfg): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(execute_warn_function_return): Remove usage of EXIT_BLOCK_PTR macro.
(split_critical_edges): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(print_loops): Remove usage of ENTRY_BLOCK_PTR macro.
(move_sese_region_to_fn): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(gimple_redirect_edge_and_branch): Remove usage of ENTRY_BLOCK_PTR
macro.
(gimple_verify_flow_info): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(remove_edge_and_dominated_blocks): Remove usage of EXIT_BLOCK_PTR
macro.
(make_edges): Remove uses of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(gimple_flow_call_edges_add): Remove usage of EXIT_BLOCK_PTR macro.
(make_blocks): Remove usage of ENTRY_BLOCK_PTR macro.
(build_gimple_cfg): Likewise.
(gimple_duplicate_bb): Remove usage of EXIT_BLOCK_PTR macro.
(gimple_can_merge_blocks_p): Likewise.
* tree-cfgcleanup.c (tree_forwarder_block_p): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* tree-complex.c (update_parameter_components): Remove usage of
ENTRY_BLOCK_PTR macro.
* tree-if-conv.c (get_loop_body_in_if_conv_order): Remove usage of
EXIT_BLOCK_PTR macro.
* tree-inline.c (tree_function_versioning): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(delete_unreachable_blocks_update_callgraph): Likewise.
(initialize_cfun): Likewise.
(copy_cfg_body): Remove usage of ENTRY_BLOCK_PTR macro.
(copy_edges_for_bb): Remove usage of EXIT_BLOCK_PTR macro.
(remap_ssa_name): Remove usage of ENTRY_BLOCK_PTR macro.
* tree-into-ssa.c (update_ssa): Likewise.
(maybe_register_def): Remove usage of EXIT_BLOCK_PTR macro.
(insert_updated_phi_nodes_for): Remove usage of ENTRY_BLOCK_PTR macro.
(rewrite_into_ssa): Likewise.
(rewrite_debug_stmt_uses): Likewise.
* tree-outof-ssa.c (expand_phi_nodes): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* tree-profile.c (gimple_gen_ic_func_profiler): Remove usage of
ENTRY_BLOCK_PTR macro.
* tree-scalar-evolution.h (block_before_loop): Likewise.
* tree-sra.c (sra_ipa_reset_debug_stmts): Likewise.
(dump_dereferences_table): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(analyze_caller_dereference_legality): Remove usage of ENTRY_BLOCK_PTR
macro.
(propagate_dereference_distances): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(initialize_parameter_reductions): Remove usage of ENTRY_BLOCK_PTR
macro.
* tree-ssa-ccp.c (gsi_prev_dom_bb_nondebug): Likewise.
(optimize_stack_restore): Remove usage of EXIT_BLOCK_PTR macro.
* tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(remove_dead_stmt): Remove usage of EXIT_BLOCK_PTR macro.
(propagate_necessity): Remove usage of ENTRY_BLOCK_PTR macro.
(mark_control_dependent_edges_necessary): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* tree-ssa-dom.c (eliminate_degenerate_phis): Remove usage of
ENTRY_BLOCK_PTR macro.
(tree_ssa_dominator_optimize): Remove usage of EXIT_BLOCK_PTR macro.
* tree-ssa-live.c (verify_live_on_entry): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(calculate_live_on_exit): Likewise.
(set_var_live_on_entry): Remove usage of ENTRY_BLOCK_PTR macro.
(loe_visit_block): Likewise.
* tree-ssa-live.h (live_on_exit): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(live_on_entry): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Remove usage of
EXIT_BLOCK_PTR macro.
* tree-ssa-loop-manip.c (compute_live_loop_exits): Remove usage of
ENTRY_BLOCK_PTR macro.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions): Likewise.
(bound_difference): Likewise.
* tree-ssa-loop-prefetch.c (may_use_storent_in_loop_p): Remove usage
of EXIT_BLOCK_PTR macro.
* tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Remove usage
of ENTRY_BLOCK_PTR macro.
* tree-ssa-math-opts.c (register_division_in): Likewise.
* tree-ssa-phiprop.c (tree_ssa_phiprop): Likewise.
* tree-ssa-pre.c (compute_avail): Likewise.
(compute_antic): Remove usage of EXIT_BLOCK_PTR macro.
(insert): Remove usage of ENTRY_BLOCK_PTR macro.
* tree-ssa-propagate.c (ssa_prop_init): Likewise.
(simulate_block): Remove usage of EXIT_BLOCK_PTR macro.
(cfg_blocks_add): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(add_control_edge): Remove usage of EXIT_BLOCK_PTR macro.
* tree-ssa-reassoc.c (do_reassoc): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(build_and_add_sum): Remove usage of ENTRY_BLOCK_PTR macro.
* tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
(execute_sink_code): Remove usage of EXIT_BLOCK_PTR macro.
* tree-ssa-uninit.c (find_dom): Remove usage of ENTRY_BLOCK_PTR macro.
(compute_control_dep_chain): Remove usage of EXIT_BLOCK_PTR macro.
(find_pdom): Likewise.
(warn_uninitialized_vars): Remove usage of ENTRY_BLOCK_PTR macro.
* tree-stdarg.c (reachable_at_most_once): Likewise.
* tree-tailcall.c (tree_optimize_tail_calls_1): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(eliminate_tail_call): Likewise.
* tsan.c (instrument_func_entry): Remove usage of ENTRY_BLOCK_PTR
macro.
(instrument_func_exit): Remove usage of EXIT_BLOCK_PTR macro.
* var-tracking.c (vt_initialize): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(vt_add_function_parameter): Remove usage of ENTRY_BLOCK_PTR macro.
(vt_find_locations): Remove usage of EXIT_BLOCK_PTR macro.
(vt_stack_adjustments): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
* varasm.c (assemble_start_function): Remove usage of ENTRY_BLOCK_PTR
macro.
* config/bfin/bfin.c (hwloop_optimize): Likewise.
* config/nds32/nds32.c (nds32_fp_as_gp_check_available): Remove usage
of EXIT_BLOCK_PTR macro.
* config/arm/arm.c (require_pic_register): Remove usage of
ENTRY_BLOCK_PTR macro.
(arm_r3_live_at_start_p): Likewise.
(any_sibcall_could_use_r3): Remove usage of EXIT_BLOCK_PTR macro.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
* config/frv/frv.c (frv_optimize_membar_global): Likewise.
* config/alpha/alpha.c (alpha_gp_save_rtx): Remove usage of
ENTRY_BLOCK_PTR macro.
* config/i386/i386.c (ix86_count_insn): Likewise.
(ix86_seh_fixup_eh_fallthru): Remove usage of EXIT_BLOCK_PTR macro.
(ix86_pad_short_function): Likewise.
(ix86_compute_frame_layout): Remove usage of ENTRY_BLOCK_PTR macro.
(ix86_pad_returns): Remove usage of EXIT_BLOCK_PTR macro.
(ix86_eax_live_at_start_p): Remove usage of ENTRY_BLOCK_PTR macro.
(add_condition_to_bb): Remove usage of EXIT_BLOCK_PTR macro.
(ix86_expand_epilogue): Likewise.
* config/ia64/ia64.c (ia64_asm_unwind_emit): Likewise.
(ia64_expand_prologue): Likewise.
From-SVN: r205055
2013-11-19 22:57:13 +01:00
|
|
|
if (e->src == ENTRY_BLOCK_PTR_FOR_FN (cfun))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return;
|
|
|
|
|
2004-11-25 10:30:04 +01:00
|
|
|
altered = ALLOC_REG_SET (®_obstack);
|
2009-03-31 17:15:04 +02:00
|
|
|
this_altered = ALLOC_REG_SET (®_obstack);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2009-03-31 17:15:04 +02:00
|
|
|
expression_valid = true;
|
|
|
|
last_valid_expr = *expr;
|
2014-08-27 22:40:05 +02:00
|
|
|
cond_list = NULL;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
while (1)
|
|
|
|
{
|
|
|
|
insn = BB_END (e->src);
|
|
|
|
if (any_condjump_p (insn))
|
|
|
|
{
|
2004-07-27 09:27:12 +02:00
|
|
|
rtx cond = get_condition (BB_END (e->src), NULL, false, true);
|
2009-03-31 17:16:41 +02:00
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
if (cond && (e->flags & EDGE_FALLTHRU))
|
|
|
|
cond = reversed_condition (cond);
|
|
|
|
if (cond)
|
|
|
|
{
|
2009-03-31 17:16:41 +02:00
|
|
|
rtx old = *expr;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
simplify_using_condition (cond, expr, altered);
|
2009-03-31 17:16:41 +02:00
|
|
|
if (old != *expr)
|
|
|
|
{
|
|
|
|
rtx note;
|
|
|
|
if (CONSTANT_P (*expr))
|
|
|
|
goto out;
|
|
|
|
for (note = cond_list; note; note = XEXP (note, 1))
|
|
|
|
{
|
|
|
|
simplify_using_condition (XEXP (note, 0), expr, altered);
|
|
|
|
if (CONSTANT_P (*expr))
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
cond_list = alloc_EXPR_LIST (0, cond, cond_list);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
FOR_BB_INSNS_REVERSE (e->src, insn)
|
|
|
|
{
|
2009-03-31 17:15:04 +02:00
|
|
|
rtx src, dest;
|
2009-03-31 17:16:41 +02:00
|
|
|
rtx old = *expr;
|
2009-03-31 17:15:04 +02:00
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
if (!INSN_P (insn))
|
|
|
|
continue;
|
2009-03-31 17:15:04 +02:00
|
|
|
|
|
|
|
CLEAR_REG_SET (this_altered);
|
|
|
|
note_stores (PATTERN (insn), mark_altered, this_altered);
|
|
|
|
if (CALL_P (insn))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
2009-03-31 17:15:04 +02:00
|
|
|
/* Kill all call clobbered registers. */
|
2012-10-16 09:46:11 +02:00
|
|
|
unsigned int i;
|
|
|
|
hard_reg_set_iterator hrsi;
|
|
|
|
EXECUTE_IF_SET_IN_HARD_REG_SET (regs_invalidated_by_call,
|
|
|
|
0, i, hrsi)
|
|
|
|
SET_REGNO_REG_SET (this_altered, i);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
2009-03-31 17:15:04 +02:00
|
|
|
|
|
|
|
if (suitable_set_for_replacement (insn, &dest, &src))
|
2007-02-27 00:42:43 +01:00
|
|
|
{
|
2014-08-27 22:40:05 +02:00
|
|
|
rtx_expr_list **pnote, **pnote_next;
|
2009-03-31 17:16:41 +02:00
|
|
|
|
2009-03-31 17:24:24 +02:00
|
|
|
replace_in_expr (expr, dest, src);
|
2009-03-31 17:15:04 +02:00
|
|
|
if (CONSTANT_P (*expr))
|
|
|
|
goto out;
|
2009-03-31 17:16:41 +02:00
|
|
|
|
|
|
|
for (pnote = &cond_list; *pnote; pnote = pnote_next)
|
|
|
|
{
|
|
|
|
rtx note = *pnote;
|
|
|
|
rtx old_cond = XEXP (note, 0);
|
|
|
|
|
2014-08-27 22:40:05 +02:00
|
|
|
pnote_next = (rtx_expr_list **)&XEXP (note, 1);
|
2009-03-31 17:24:24 +02:00
|
|
|
replace_in_expr (&XEXP (note, 0), dest, src);
|
|
|
|
|
2009-03-31 17:16:41 +02:00
|
|
|
/* We can no longer use a condition that has been simplified
|
|
|
|
to a constant, and simplify_using_condition will abort if
|
|
|
|
we try. */
|
|
|
|
if (CONSTANT_P (XEXP (note, 0)))
|
|
|
|
{
|
|
|
|
*pnote = *pnote_next;
|
|
|
|
pnote_next = pnote;
|
|
|
|
free_EXPR_LIST_node (note);
|
|
|
|
}
|
|
|
|
/* Retry simplifications with this condition if either the
|
|
|
|
expression or the condition changed. */
|
|
|
|
else if (old_cond != XEXP (note, 0) || old != *expr)
|
|
|
|
simplify_using_condition (XEXP (note, 0), expr, altered);
|
|
|
|
}
|
2007-02-27 00:42:43 +01:00
|
|
|
}
|
2009-03-31 17:15:04 +02:00
|
|
|
else
|
2012-10-13 22:22:07 +02:00
|
|
|
{
|
2014-08-27 22:40:05 +02:00
|
|
|
rtx_expr_list **pnote, **pnote_next;
|
2012-10-13 22:22:07 +02:00
|
|
|
|
|
|
|
/* If we did not use this insn to make a replacement, any overlap
|
|
|
|
between stores in this insn and our expression will cause the
|
|
|
|
expression to become invalid. */
|
2014-08-28 08:23:47 +02:00
|
|
|
if (altered_reg_used (*expr, this_altered))
|
2012-10-13 22:22:07 +02:00
|
|
|
goto out;
|
|
|
|
|
|
|
|
/* Likewise for the conditions. */
|
|
|
|
for (pnote = &cond_list; *pnote; pnote = pnote_next)
|
|
|
|
{
|
|
|
|
rtx note = *pnote;
|
|
|
|
rtx old_cond = XEXP (note, 0);
|
|
|
|
|
2014-08-27 22:40:05 +02:00
|
|
|
pnote_next = (rtx_expr_list **)&XEXP (note, 1);
|
2014-08-28 08:23:47 +02:00
|
|
|
if (altered_reg_used (old_cond, this_altered))
|
2012-10-13 22:22:07 +02:00
|
|
|
{
|
|
|
|
*pnote = *pnote_next;
|
|
|
|
pnote_next = pnote;
|
|
|
|
free_EXPR_LIST_node (note);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2009-03-31 17:15:04 +02:00
|
|
|
|
2009-03-31 17:16:41 +02:00
|
|
|
if (CONSTANT_P (*expr))
|
|
|
|
goto out;
|
|
|
|
|
2009-03-31 17:15:04 +02:00
|
|
|
IOR_REG_SET (altered, this_altered);
|
|
|
|
|
|
|
|
/* If the expression now contains regs that have been altered, we
|
|
|
|
can't return it to the caller. However, it is still valid for
|
|
|
|
further simplification, so keep searching to see if we can
|
|
|
|
eventually turn it into a constant. */
|
2014-08-28 08:23:47 +02:00
|
|
|
if (altered_reg_used (*expr, altered))
|
2009-03-31 17:15:04 +02:00
|
|
|
expression_valid = false;
|
|
|
|
if (expression_valid)
|
|
|
|
last_valid_expr = *expr;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
basic-block.h (single_succ_p, [...]): New inline functions.
* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
single_pred_edge, single_succ, single_pred): New inline functions.
* bb-reorder.c (rotate_loop, find_traces_1_round,
add_labels_and_missing_jumps, fix_up_fall_thru_edges,
duplicate_computed_gotos): Use the single_succ/pred functions.
* cfganal.c (forwarder_block_p): Ditto.
* cfgbuild.c (compute_outgoing_frequencies): Ditto.
* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
merge_seq_blocks): Ditto.
* cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
* cfglayout.c (fixup_reorder_chain): Ditto.
* cfgloop.c (mark_single_exit_loops, update_latch_info,
canonicalize_loop_headers, verify_loop_structure): Ditto.
* cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
mfb_update_loops, create_preheader, force_single_succ_latches,
create_loop_notes): Ditto.
* cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
commit_one_edge_insertion, purge_dead_edges,
cfg_layout_can_merge_blocks_p): Ditto.
* except.c (sjlj_emit_function_enter): Ditto.
* flow.c (init_propagate_block_info): Ditto.
* function.c (thread_prologue_and_epilogue_insns): Ditto.
* gcse.c (find_implicit_sets, bypass_conditional_jumps,
insert_insn_end_bb): Ditto.
* ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
find_if_case_2): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* lcm.c (optimize_mode_switching): Ditto.
* loop-doloop.c (doloop_modify): Ditto.
* loop-init.c (loop_optimizer_init): Ditto.
* loop-iv.c (simplify_using_initial_values): Ditto.
* loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
* loop-unswitch.c (unswitch_loop): Ditto.
* modulo-sched.c (generate_prolog_epilog): Ditto.
* predict.c (combine_predictions_for_insn, estimate_probability,
tree_estimate_probability, last_basic_block_p,
estimate_bb_frequencies): Ditto.
* profile.c (branch_prob): Ditto.
* regrename.c (copyprop_hardreg_forward): Ditto.
* sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
* tracer.c (layout_superblocks): Ditto.
* tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
cfg_remove_useless_stmts_bb, cleanup_control_flow,
cleanup_control_expr_graph, disband_implicit_edges,
tree_find_edge_insert_loc, bsi_commit_edge_inserts,
tree_verify_flow_info, tree_make_forwarder_block,
tree_forwarder_block_p, remove_forwarder_block,
remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
* tree-if-conv.c (tree_if_conversion): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* tree-ssa-dce.c (remove_dead_stmt): Ditto.
* tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
copy_loop_headers): Ditto.
* tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
* tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
* tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
* tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
* tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
* tree-ssa-threadupdate.c (redirect_edges): Ditto.
* tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
* tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
slpeel_add_loop_guard): Ditto.
From-SVN: r96292
2005-03-11 10:05:12 +01:00
|
|
|
if (!single_pred_p (e->src)
|
Eliminate ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR macros
gcc/
* basic-block.h (ENTRY_BLOCK_PTR_FOR_FUNCTION): Rename macro to...
(EXIT_BLOCK_PTR_FOR_FUNCTION): ...this.
(ENTRY_BLOCK_PTR_FOR_FN): Renamed macro to...
(EXIT_BLOCK_PTR_FOR_FN): ...this.
(ENTRY_BLOCK_PTR): Eliminate macro as work towards making uses of
cfun be explicit.
(EXIT_BLOCK_PTR): Likewise.
(FOR_ALL_BB): Rework for now to eliminate use of "ENTRY_BLOCK_PTR".
(FOR_ALL_BB_FN): Update for renaming of
"ENTRY_BLOCK_PTR_FOR_FUNCTION" to "ENTRY_BLOCK_PTR_FOR_FN".
* cfg.c (init_flow): Likewise.
(check_bb_profile): Likewise.
* cfganal.c (pre_and_rev_post_order_compute_fn): Likewise.
* cfgcleanup.c (walk_to_nondebug_insn): Likewise.
* cfghooks.c (account_profile_record): Likewise.
* cfgloop.c (init_loops_structure): Likewise.
* cgraphbuild.c (record_eh_tables): Likewise.
(compute_call_stmt_bb_frequency): Likewise.
* ipa-inline-analysis.c (compute_bb_predicates): Likewise.
* lto-streamer-in.c (input_cfg): Likewise.
* predict.c (maybe_hot_frequency_p): Likewise.
* tree-cfg.c (init_empty_tree_cfg_for_function): Likewise.
* tree-inline.c (initialize_cfun): Likewise.
(copy_cfg_body): Likewise.
(copy_body): Likewise.
(tree_function_versioning): Likewise.
* bb-reorder.c (add_labels_and_missing_jumps): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(duplicate_computed_gotos): Remove usage of EXIT_BLOCK_PTR macro.
(find_rarely_executed_basic_blocks_and_crossing_edges): Remove uses of
macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(connect_traces): Likewise.
(rest_of_handle_reorder_blocks): Remove usage of EXIT_BLOCK_PTR macro.
(bb_to_key): Remove usage of ENTRY_BLOCK_PTR macro.
(fix_crossing_conditional_branches): Remove usage of EXIT_BLOCK_PTR
macro.
(find_traces_1_round): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(fix_up_fall_thru_edges): Remove usage of EXIT_BLOCK_PTR macro.
(find_traces): Remove usage of ENTRY_BLOCK_PTR macro.
(fix_up_crossing_landing_pad): Remove usage of EXIT_BLOCK_PTR macro.
(rotate_loop): Likewise.
* bt-load.c (migrate_btr_def): Remove usage of ENTRY_BLOCK_PTR macro.
* cfg.c (clear_aux_for_edges): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(alloc_aux_for_edges): Likewise.
(clear_bb_flags): Remove usage of ENTRY_BLOCK_PTR macro.
(cached_make_edge): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compact_blocks): Likewise.
(clear_edges): Likewise.
* cfganal.c (single_pred_before_succ_order): Remove usage of
ENTRY_BLOCK_PTR macro.
(bitmap_union_of_succs): Remove usage of EXIT_BLOCK_PTR macro.
(bitmap_union_of_preds): Remove usage of ENTRY_BLOCK_PTR macro.
(bitmap_intersection_of_succs): Remove usage of EXIT_BLOCK_PTR macro.
(bitmap_intersection_of_preds): Remove usage of ENTRY_BLOCK_PTR macro.
(inverted_post_order_compute): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compute_dominance_frontiers_1): Remove usage of ENTRY_BLOCK_PTR
macro.
(post_order_compute): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(connect_infinite_loops_to_exit): Remove usage of EXIT_BLOCK_PTR
macro.
(remove_fake_edges): Remove usage of ENTRY_BLOCK_PTR macro.
(add_noreturn_fake_exit_edges): Remove usage of EXIT_BLOCK_PTR macro.
(find_pdom): Remove uses of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(remove_fake_exit_edges): Remove usage of EXIT_BLOCK_PTR macro.
(verify_edge_list): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(print_edge_list): Likewise.
(create_edge_list): Likewise.
(find_unreachable_blocks): Remove usage of ENTRY_BLOCK_PTR macro.
(mark_dfs_back_edges): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
* cfgbuild.c (find_bb_boundaries): Remove usage of ENTRY_BLOCK_PTR
macro.
(find_many_sub_basic_blocks): Remove usage of EXIT_BLOCK_PTR macro.
(make_edges): Remove uses of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* cfgcleanup.c (delete_unreachable_blocks): Likewise.
(try_optimize_cfg): Likewise.
(try_head_merge_bb): Remove usage of EXIT_BLOCK_PTR macro.
(try_crossjump_to_edge): Remove usage of ENTRY_BLOCK_PTR macro.
(try_crossjump_bb): Remove usage of EXIT_BLOCK_PTR macro.
(merge_blocks_move): Remove usage of ENTRY_BLOCK_PTR macro.
(outgoing_edges_match): Remove usage of EXIT_BLOCK_PTR macro.
(try_forward_edges): Likewise.
(try_simplify_condjump): Likewise.
* cfgexpand.c (gimple_expand_cfg): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(construct_exit_block): Remove usage of EXIT_BLOCK_PTR macro.
(construct_init_block): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(expand_gimple_basic_block): Remove usage of EXIT_BLOCK_PTR macro.
(expand_gimple_tailcall): Likewise.
* cfghooks.c (can_duplicate_block_p): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(tidy_fallthru_edges): Likewise.
(verify_flow_info): Likewise.
* cfgloop.c (flow_bb_inside_loop_p): Likewise.
(num_loop_branches): Remove usage of EXIT_BLOCK_PTR macro.
(disambiguate_multiple_latches): Remove usage of ENTRY_BLOCK_PTR
macro.
(get_loop_exit_edges): Remove usage of EXIT_BLOCK_PTR macro.
(bb_loop_header_p): Remove usage of ENTRY_BLOCK_PTR macro.
(get_loop_body_in_bfs_order): Remove usage of EXIT_BLOCK_PTR macro.
(get_loop_body_in_dom_order): Likewise.
(get_loop_body): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* cfgloopmanip.c (create_preheader): Remove usage of ENTRY_BLOCK_PTR
macro.
(remove_path): Remove usage of EXIT_BLOCK_PTR macro.
(fix_bb_placement): Likewise.
* cfgrtl.c (rtl_block_empty_p): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(rtl_can_remove_branch_p): Remove usage of EXIT_BLOCK_PTR macro.
(cfg_layout_split_edge): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(rtl_flow_call_edges_add): Remove usage of EXIT_BLOCK_PTR macro.
(cfg_layout_can_merge_blocks_p): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(cfg_layout_redirect_edge_and_branch): Remove usage of ENTRY_BLOCK_PTR
macro.
(fixup_fallthru_exit_predecessor): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(fixup_reorder_chain): Likewise.
(relink_block_chain): Likewise.
(cfg_layout_delete_block): Remove usage of EXIT_BLOCK_PTR macro.
(rtl_verify_bb_layout): Remove usage of ENTRY_BLOCK_PTR macro.
(cfg_layout_duplicate_bb): Remove usage of EXIT_BLOCK_PTR macro.
(force_one_exit_fallthru): Likewise.
(rtl_verify_fallthru): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(rtl_verify_edges): Likewise.
(commit_edge_insertions): Likewise.
(commit_one_edge_insertion): Likewise.
(rtl_split_edge): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(outof_cfg_layout_mode): Remove usage of EXIT_BLOCK_PTR macro.
(skip_insns_after_block): Likewise.
(fixup_partition_crossing): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(purge_dead_edges): Remove usage of EXIT_BLOCK_PTR macro.
(rtl_can_merge_blocks): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(contains_no_active_insn_p): Likewise.
(emit_insn_at_entry): Remove usage of ENTRY_BLOCK_PTR macro.
(entry_of_function): Likewise.
(last_bb_in_partition): Remove usage of EXIT_BLOCK_PTR macro.
(fixup_new_cold_bb): Likewise.
(patch_jump_insn): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(block_label): Likewise.
(could_fall_through): Likewise.
(can_fallthru): Likewise.
* cgraphbuild.c (cgraph_rebuild_references): Remove usage of
ENTRY_BLOCK_PTR macro.
(rebuild_cgraph_edges): Likewise.
* cgraphunit.c (init_lowered_empty_function): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(expand_thunk): Remove usage of EXIT_BLOCK_PTR macro.
* combine.c (get_last_value): Remove usage of ENTRY_BLOCK_PTR macro.
(distribute_links): Remove usage of EXIT_BLOCK_PTR macro.
(get_last_value_validate): Remove usage of ENTRY_BLOCK_PTR macro.
(try_combine): Remove usage of EXIT_BLOCK_PTR macro.
(reg_num_sign_bit_copies_for_combine): Remove usage of ENTRY_BLOCK_PTR
macro.
(reg_nonzero_bits_for_combine): Likewise.
(set_nonzero_bits_and_sign_copies): Likewise.
(combine_instructions): Likewise.
* cprop.c (one_cprop_pass): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(bypass_conditional_jumps): Likewise.
(bypass_block): Remove usage of EXIT_BLOCK_PTR macro.
(find_implicit_sets): Likewise.
(cprop_jump): Likewise.
* cse.c (cse_cc_succs): Likewise.
(cse_find_path): Likewise.
* df-problems.c (df_lr_confluence_0): Likewise.
* df-scan.c (df_entry_block_defs_collect): Remove usage of
ENTRY_BLOCK_PTR macro.
(df_exit_block_uses_collect): Remove usage of EXIT_BLOCK_PTR macro.
* dominance.c (iterate_fix_dominators): Remove usage of
ENTRY_BLOCK_PTR macro.
(calc_idoms): Remove uses of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(determine_dominators_for_sons): Remove usage of ENTRY_BLOCK_PTR
macro.
(calc_dfs_tree): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(prune_bbs_to_update_dominators): Remove usage of ENTRY_BLOCK_PTR
macro.
(calc_dfs_tree_nonrec): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
* domwalk.c (cmp_bb_postorder): Likewise.
* dse.c (dse_step1): Remove usage of EXIT_BLOCK_PTR macro.
* except.c (finish_eh_generation): Remove usage of ENTRY_BLOCK_PTR
macro.
(sjlj_emit_function_enter): Likewise.
* final.c (compute_alignments): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Remove uses of
macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(reposition_prologue_and_epilogue_notes): Remove usage of
EXIT_BLOCK_PTR macro.
(convert_jumps_to_returns): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(regno_clobbered_at_setjmp): Remove usage of ENTRY_BLOCK_PTR macro.
(next_block_for_reg): Remove usage of EXIT_BLOCK_PTR macro.
* gcse.c (hoist_code): Remove usage of ENTRY_BLOCK_PTR macro.
(update_bb_reg_pressure): Remove usage of EXIT_BLOCK_PTR macro.
(compute_code_hoist_vbeinout): Likewise.
(should_hoist_expr_to_dom): Remove usage of ENTRY_BLOCK_PTR macro.
(pre_expr_reaches_here_p_work): Likewise.
* gimple-iterator.c (gsi_commit_edge_inserts): Likewise.
(gimple_find_edge_insert_loc): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
* gimple-ssa-strength-reduction.c (slsr_process_phi): Remove usage of
ENTRY_BLOCK_PTR macro.
* graph.c (draw_cfg_nodes_for_loop): Remove usage of EXIT_BLOCK_PTR
macro.
* graphite-clast-to-gimple.c (translate_clast_user): Remove usage of
ENTRY_BLOCK_PTR macro.
* graphite-scop-detection.c (build_scops): Likewise.
(create_sese_edges): Remove usage of EXIT_BLOCK_PTR macro.
(scopdet_basic_block_info): Remove usage of ENTRY_BLOCK_PTR macro.
* haifa-sched.c (restore_bb_notes): Remove usage of EXIT_BLOCK_PTR
macro.
(unlink_bb_notes): Likewise.
(create_check_block_twin): Likewise.
(init_before_recovery): Likewise.
(sched_extend_bb): Likewise.
(priority): Likewise.
* hw-doloop.c (reorder_loops): Likewise.
(discover_loop): Likewise.
* ifcvt.c (dead_or_predicable): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(find_if_case_1): Remove usage of EXIT_BLOCK_PTR macro.
(block_has_only_trap): Likewise.
(cond_exec_find_if_block): Likewise.
(merge_if_block): Likewise.
* ipa-inline-analysis.c (param_change_prob): Remove usage of
ENTRY_BLOCK_PTR macro.
(record_modified): Likewise.
* ipa-pure-const.c (execute_warn_function_noreturn): Remove usage of
EXIT_BLOCK_PTR macro.
(local_pure_const): Likewise.
* ipa-split.c (split_function): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(find_split_points): Likewise.
(consider_split): Likewise.
(find_return_bb): Remove usage of EXIT_BLOCK_PTR macro.
(verify_non_ssa_vars): Remove usage of ENTRY_BLOCK_PTR macro.
* ira-build.c (ira_loop_tree_body_rev_postorder): Likewise.
* ira-color.c (print_loop_title): Remove usage of EXIT_BLOCK_PTR
macro.
* ira-emit.c (entered_from_non_parent_p): Remove usage of
ENTRY_BLOCK_PTR macro.
(ira_emit): Remove usage of EXIT_BLOCK_PTR macro.
* ira-int.h (ira_assert): Remove usage of ENTRY_BLOCK_PTR macro.
* ira.c (split_live_ranges_for_shrink_wrap): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* lcm.c (compute_rev_insert_delete): Remove usage of ENTRY_BLOCK_PTR
macro.
(compute_nearerout): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compute_farthest): Likewise.
(compute_available): Likewise.
(compute_insert_delete): Remove usage of EXIT_BLOCK_PTR macro.
(compute_laterin): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compute_earliest): Likewise.
(compute_antinout_edge): Likewise.
* loop-iv.c (simplify_using_initial_values): Remove usage of
ENTRY_BLOCK_PTR macro.
* loop-unswitch.c (unswitch_loop): Remove usage of EXIT_BLOCK_PTR
macro.
* lra-assigns.c (find_hard_regno_for): Remove usage of ENTRY_BLOCK_PTR
macro.
* lra-constraints.c (lra_inheritance): Remove usage of EXIT_BLOCK_PTR
macro.
* lra-lives.c (lra_create_live_ranges): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* lra.c (has_nonexceptional_receiver): Remove usage of EXIT_BLOCK_PTR
macro.
* lto-streamer-in.c (input_function): Remove usage of ENTRY_BLOCK_PTR
macro.
* lto-streamer-out.c (output_cfg): Likewise.
* mcf.c (adjust_cfg_counts): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(create_fixup_graph): Remove usage of ENTRY_BLOCK_PTR macro.
* mode-switching.c (optimize_mode_switching): Likewise.
(create_pre_exit): Remove usage of EXIT_BLOCK_PTR macro.
* modulo-sched.c (rest_of_handle_sms): Likewise.
(canon_loop): Likewise.
* omp-low.c (build_omp_regions): Remove usage of ENTRY_BLOCK_PTR
macro.
* postreload-gcse.c (eliminate_partially_redundant_loads): Remove uses
of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* predict.c (rebuild_frequencies): Remove usage of ENTRY_BLOCK_PTR
macro.
(propagate_freq): Remove usage of EXIT_BLOCK_PTR macro.
(estimate_bb_frequencies): Remove usage of ENTRY_BLOCK_PTR macro.
(tree_estimate_probability_bb): Remove usage of EXIT_BLOCK_PTR macro.
(expensive_function_p): Remove usage of ENTRY_BLOCK_PTR macro.
(tree_bb_level_predictions): Remove usage of EXIT_BLOCK_PTR macro.
(counts_to_freqs): Remove usage of ENTRY_BLOCK_PTR macro.
(apply_return_prediction): Remove usage of EXIT_BLOCK_PTR macro.
(estimate_loops): Remove usage of ENTRY_BLOCK_PTR macro.
(gimple_predict_edge): Likewise.
(probably_never_executed): Likewise.
* profile.c (find_spanning_tree): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(branch_prob): Likewise.
(compute_branch_probabilities): Likewise.
(compute_frequency_overlap): Remove usage of ENTRY_BLOCK_PTR macro.
(is_inconsistent): Remove usage of EXIT_BLOCK_PTR macro.
(read_profile_edge_counts): Remove usage of ENTRY_BLOCK_PTR macro.
(set_bb_counts): Likewise.
(correct_negative_edge_counts): Likewise.
(get_exec_counts): Likewise.
(instrument_values): Likewise.
(instrument_edges): Likewise.
* reg-stack.c (convert_regs): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(compensate_edges): Remove usage of ENTRY_BLOCK_PTR macro.
(convert_regs_exit): Remove usage of EXIT_BLOCK_PTR macro.
(convert_regs_entry): Remove usage of ENTRY_BLOCK_PTR macro.
(reg_to_stack): Likewise.
* regs.h (REG_N_SETS): Likewise.
* reload.c (find_dummy_reload): Likewise.
(combine_reloads): Likewise.
(push_reload): Likewise.
* reload1.c (has_nonexceptional_receiver): Remove usage of
EXIT_BLOCK_PTR macro.
* resource.c (mark_target_live_regs): Remove usage of ENTRY_BLOCK_PTR
macro.
(find_basic_block): Likewise.
* sched-ebb.c (ebb_add_block): Remove usage of EXIT_BLOCK_PTR macro.
(schedule_ebbs): Likewise.
* sched-int.h (sel_sched_p): Likewise.
* sched-rgn.c (compute_dom_prob_ps): Remove usage of ENTRY_BLOCK_PTR
macro.
(rgn_add_block): Remove usage of EXIT_BLOCK_PTR macro.
(haifa_find_rgns): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(propagate_deps): Remove usage of EXIT_BLOCK_PTR macro.
(extend_rgns): Likewise.
(find_single_block_region): Likewise.
* sel-sched-ir.c (sel_remove_loop_preheader): Remove usage of
ENTRY_BLOCK_PTR macro.
(setup_nop_and_exit_insns): Remove usage of EXIT_BLOCK_PTR macro.
(sel_create_recovery_block): Likewise.
(bb_ends_ebb_p): Likewise.
(sel_bb_end): Likewise.
(sel_bb_head): Likewise.
(free_lv_sets): Likewise.
(init_lv_sets): Likewise.
(tidy_control_flow): Likewise.
(maybe_tidy_empty_bb): Likewise.
* sel-sched-ir.h (_succ_iter_cond): Likewise.
(_succ_iter_start): Likewise.
(sel_bb_empty_or_nop_p): Likewise.
(get_loop_exit_edges_unique_dests): Likewise.
(inner_loop_header_p): Likewise.
* sel-sched.c (create_block_for_bookkeeping): Likewise.
(find_block_for_bookkeeping): Likewise.
* store-motion.c (remove_reachable_equiv_notes): Likewise.
(insert_store): Likewise.
* trans-mem.c (ipa_tm_transform_clone): Remove usage of
ENTRY_BLOCK_PTR macro.
(tm_memopt_compute_available): Remove usage of EXIT_BLOCK_PTR macro.
(ipa_tm_scan_irr_function): Remove usage of ENTRY_BLOCK_PTR macro.
(gate_tm_init): Likewise.
(tm_region_init): Likewise.
* tree-cfg.c (execute_fixup_cfg): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(execute_warn_function_return): Remove usage of EXIT_BLOCK_PTR macro.
(split_critical_edges): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(print_loops): Remove usage of ENTRY_BLOCK_PTR macro.
(move_sese_region_to_fn): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(gimple_redirect_edge_and_branch): Remove usage of ENTRY_BLOCK_PTR
macro.
(gimple_verify_flow_info): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(remove_edge_and_dominated_blocks): Remove usage of EXIT_BLOCK_PTR
macro.
(make_edges): Remove uses of macros: ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(gimple_flow_call_edges_add): Remove usage of EXIT_BLOCK_PTR macro.
(make_blocks): Remove usage of ENTRY_BLOCK_PTR macro.
(build_gimple_cfg): Likewise.
(gimple_duplicate_bb): Remove usage of EXIT_BLOCK_PTR macro.
(gimple_can_merge_blocks_p): Likewise.
* tree-cfgcleanup.c (tree_forwarder_block_p): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* tree-complex.c (update_parameter_components): Remove usage of
ENTRY_BLOCK_PTR macro.
* tree-if-conv.c (get_loop_body_in_if_conv_order): Remove usage of
EXIT_BLOCK_PTR macro.
* tree-inline.c (tree_function_versioning): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(delete_unreachable_blocks_update_callgraph): Likewise.
(initialize_cfun): Likewise.
(copy_cfg_body): Remove usage of ENTRY_BLOCK_PTR macro.
(copy_edges_for_bb): Remove usage of EXIT_BLOCK_PTR macro.
(remap_ssa_name): Remove usage of ENTRY_BLOCK_PTR macro.
* tree-into-ssa.c (update_ssa): Likewise.
(maybe_register_def): Remove usage of EXIT_BLOCK_PTR macro.
(insert_updated_phi_nodes_for): Remove usage of ENTRY_BLOCK_PTR macro.
(rewrite_into_ssa): Likewise.
(rewrite_debug_stmt_uses): Likewise.
* tree-outof-ssa.c (expand_phi_nodes): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* tree-profile.c (gimple_gen_ic_func_profiler): Remove usage of
ENTRY_BLOCK_PTR macro.
* tree-scalar-evolution.h (block_before_loop): Likewise.
* tree-sra.c (sra_ipa_reset_debug_stmts): Likewise.
(dump_dereferences_table): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(analyze_caller_dereference_legality): Remove usage of ENTRY_BLOCK_PTR
macro.
(propagate_dereference_distances): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(initialize_parameter_reductions): Remove usage of ENTRY_BLOCK_PTR
macro.
* tree-ssa-ccp.c (gsi_prev_dom_bb_nondebug): Likewise.
(optimize_stack_restore): Remove usage of EXIT_BLOCK_PTR macro.
* tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(remove_dead_stmt): Remove usage of EXIT_BLOCK_PTR macro.
(propagate_necessity): Remove usage of ENTRY_BLOCK_PTR macro.
(mark_control_dependent_edges_necessary): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
* tree-ssa-dom.c (eliminate_degenerate_phis): Remove usage of
ENTRY_BLOCK_PTR macro.
(tree_ssa_dominator_optimize): Remove usage of EXIT_BLOCK_PTR macro.
* tree-ssa-live.c (verify_live_on_entry): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(calculate_live_on_exit): Likewise.
(set_var_live_on_entry): Remove usage of ENTRY_BLOCK_PTR macro.
(loe_visit_block): Likewise.
* tree-ssa-live.h (live_on_exit): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(live_on_entry): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Remove usage of
EXIT_BLOCK_PTR macro.
* tree-ssa-loop-manip.c (compute_live_loop_exits): Remove usage of
ENTRY_BLOCK_PTR macro.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions): Likewise.
(bound_difference): Likewise.
* tree-ssa-loop-prefetch.c (may_use_storent_in_loop_p): Remove usage
of EXIT_BLOCK_PTR macro.
* tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Remove usage
of ENTRY_BLOCK_PTR macro.
* tree-ssa-math-opts.c (register_division_in): Likewise.
* tree-ssa-phiprop.c (tree_ssa_phiprop): Likewise.
* tree-ssa-pre.c (compute_avail): Likewise.
(compute_antic): Remove usage of EXIT_BLOCK_PTR macro.
(insert): Remove usage of ENTRY_BLOCK_PTR macro.
* tree-ssa-propagate.c (ssa_prop_init): Likewise.
(simulate_block): Remove usage of EXIT_BLOCK_PTR macro.
(cfg_blocks_add): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
(add_control_edge): Remove usage of EXIT_BLOCK_PTR macro.
* tree-ssa-reassoc.c (do_reassoc): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(build_and_add_sum): Remove usage of ENTRY_BLOCK_PTR macro.
* tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
(execute_sink_code): Remove usage of EXIT_BLOCK_PTR macro.
* tree-ssa-uninit.c (find_dom): Remove usage of ENTRY_BLOCK_PTR macro.
(compute_control_dep_chain): Remove usage of EXIT_BLOCK_PTR macro.
(find_pdom): Likewise.
(warn_uninitialized_vars): Remove usage of ENTRY_BLOCK_PTR macro.
* tree-stdarg.c (reachable_at_most_once): Likewise.
* tree-tailcall.c (tree_optimize_tail_calls_1): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(eliminate_tail_call): Likewise.
* tsan.c (instrument_func_entry): Remove usage of ENTRY_BLOCK_PTR
macro.
(instrument_func_exit): Remove usage of EXIT_BLOCK_PTR macro.
* var-tracking.c (vt_initialize): Remove uses of macros:
ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR.
(vt_add_function_parameter): Remove usage of ENTRY_BLOCK_PTR macro.
(vt_find_locations): Remove usage of EXIT_BLOCK_PTR macro.
(vt_stack_adjustments): Remove uses of macros: ENTRY_BLOCK_PTR,
EXIT_BLOCK_PTR.
* varasm.c (assemble_start_function): Remove usage of ENTRY_BLOCK_PTR
macro.
* config/bfin/bfin.c (hwloop_optimize): Likewise.
* config/nds32/nds32.c (nds32_fp_as_gp_check_available): Remove usage
of EXIT_BLOCK_PTR macro.
* config/arm/arm.c (require_pic_register): Remove usage of
ENTRY_BLOCK_PTR macro.
(arm_r3_live_at_start_p): Likewise.
(any_sibcall_could_use_r3): Remove usage of EXIT_BLOCK_PTR macro.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
* config/frv/frv.c (frv_optimize_membar_global): Likewise.
* config/alpha/alpha.c (alpha_gp_save_rtx): Remove usage of
ENTRY_BLOCK_PTR macro.
* config/i386/i386.c (ix86_count_insn): Likewise.
(ix86_seh_fixup_eh_fallthru): Remove usage of EXIT_BLOCK_PTR macro.
(ix86_pad_short_function): Likewise.
(ix86_compute_frame_layout): Remove usage of ENTRY_BLOCK_PTR macro.
(ix86_pad_returns): Remove usage of EXIT_BLOCK_PTR macro.
(ix86_eax_live_at_start_p): Remove usage of ENTRY_BLOCK_PTR macro.
(add_condition_to_bb): Remove usage of EXIT_BLOCK_PTR macro.
(ix86_expand_epilogue): Likewise.
* config/ia64/ia64.c (ia64_asm_unwind_emit): Likewise.
(ia64_expand_prologue): Likewise.
From-SVN: r205055
2013-11-19 22:57:13 +01:00
|
|
|
|| single_pred (e->src) == ENTRY_BLOCK_PTR_FOR_FN (cfun))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
break;
|
basic-block.h (single_succ_p, [...]): New inline functions.
* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
single_pred_edge, single_succ, single_pred): New inline functions.
* bb-reorder.c (rotate_loop, find_traces_1_round,
add_labels_and_missing_jumps, fix_up_fall_thru_edges,
duplicate_computed_gotos): Use the single_succ/pred functions.
* cfganal.c (forwarder_block_p): Ditto.
* cfgbuild.c (compute_outgoing_frequencies): Ditto.
* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
merge_seq_blocks): Ditto.
* cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
* cfglayout.c (fixup_reorder_chain): Ditto.
* cfgloop.c (mark_single_exit_loops, update_latch_info,
canonicalize_loop_headers, verify_loop_structure): Ditto.
* cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
mfb_update_loops, create_preheader, force_single_succ_latches,
create_loop_notes): Ditto.
* cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
commit_one_edge_insertion, purge_dead_edges,
cfg_layout_can_merge_blocks_p): Ditto.
* except.c (sjlj_emit_function_enter): Ditto.
* flow.c (init_propagate_block_info): Ditto.
* function.c (thread_prologue_and_epilogue_insns): Ditto.
* gcse.c (find_implicit_sets, bypass_conditional_jumps,
insert_insn_end_bb): Ditto.
* ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
find_if_case_2): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* lcm.c (optimize_mode_switching): Ditto.
* loop-doloop.c (doloop_modify): Ditto.
* loop-init.c (loop_optimizer_init): Ditto.
* loop-iv.c (simplify_using_initial_values): Ditto.
* loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
* loop-unswitch.c (unswitch_loop): Ditto.
* modulo-sched.c (generate_prolog_epilog): Ditto.
* predict.c (combine_predictions_for_insn, estimate_probability,
tree_estimate_probability, last_basic_block_p,
estimate_bb_frequencies): Ditto.
* profile.c (branch_prob): Ditto.
* regrename.c (copyprop_hardreg_forward): Ditto.
* sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
* tracer.c (layout_superblocks): Ditto.
* tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
cfg_remove_useless_stmts_bb, cleanup_control_flow,
cleanup_control_expr_graph, disband_implicit_edges,
tree_find_edge_insert_loc, bsi_commit_edge_inserts,
tree_verify_flow_info, tree_make_forwarder_block,
tree_forwarder_block_p, remove_forwarder_block,
remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
* tree-if-conv.c (tree_if_conversion): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* tree-ssa-dce.c (remove_dead_stmt): Ditto.
* tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
copy_loop_headers): Ditto.
* tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
* tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
* tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
* tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
* tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
* tree-ssa-threadupdate.c (redirect_edges): Ditto.
* tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
* tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
slpeel_add_loop_guard): Ditto.
From-SVN: r96292
2005-03-11 10:05:12 +01:00
|
|
|
e = single_pred_edge (e->src);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
2009-03-31 17:15:04 +02:00
|
|
|
out:
|
2009-03-31 17:16:41 +02:00
|
|
|
free_EXPR_LIST_list (&cond_list);
|
2009-03-31 17:15:04 +02:00
|
|
|
if (!CONSTANT_P (*expr))
|
|
|
|
*expr = last_valid_expr;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
FREE_REG_SET (altered);
|
2009-03-31 17:15:04 +02:00
|
|
|
FREE_REG_SET (this_altered);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Transforms invariant IV into MODE. Adds assumptions based on the fact
|
|
|
|
that IV occurs as left operands of comparison COND and its signedness
|
|
|
|
is SIGNED_P to DESC. */
|
|
|
|
|
|
|
|
static void
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
shorten_into_mode (struct rtx_iv *iv, machine_mode mode,
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
enum rtx_code cond, bool signed_p, struct niter_desc *desc)
|
|
|
|
{
|
|
|
|
rtx mmin, mmax, cond_over, cond_under;
|
|
|
|
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
get_mode_bounds (mode, signed_p, iv->extend_mode, &mmin, &mmax);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
cond_under = simplify_gen_relational (LT, SImode, iv->extend_mode,
|
|
|
|
iv->base, mmin);
|
|
|
|
cond_over = simplify_gen_relational (GT, SImode, iv->extend_mode,
|
|
|
|
iv->base, mmax);
|
|
|
|
|
|
|
|
switch (cond)
|
|
|
|
{
|
|
|
|
case LE:
|
|
|
|
case LT:
|
|
|
|
case LEU:
|
|
|
|
case LTU:
|
|
|
|
if (cond_under != const0_rtx)
|
|
|
|
desc->infinite =
|
|
|
|
alloc_EXPR_LIST (0, cond_under, desc->infinite);
|
|
|
|
if (cond_over != const0_rtx)
|
|
|
|
desc->noloop_assumptions =
|
|
|
|
alloc_EXPR_LIST (0, cond_over, desc->noloop_assumptions);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GE:
|
|
|
|
case GT:
|
|
|
|
case GEU:
|
|
|
|
case GTU:
|
|
|
|
if (cond_over != const0_rtx)
|
|
|
|
desc->infinite =
|
|
|
|
alloc_EXPR_LIST (0, cond_over, desc->infinite);
|
|
|
|
if (cond_under != const0_rtx)
|
|
|
|
desc->noloop_assumptions =
|
|
|
|
alloc_EXPR_LIST (0, cond_under, desc->noloop_assumptions);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case NE:
|
|
|
|
if (cond_over != const0_rtx)
|
|
|
|
desc->infinite =
|
|
|
|
alloc_EXPR_LIST (0, cond_over, desc->infinite);
|
|
|
|
if (cond_under != const0_rtx)
|
|
|
|
desc->infinite =
|
|
|
|
alloc_EXPR_LIST (0, cond_under, desc->infinite);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
gcc_unreachable ();
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
iv->mode = mode;
|
2012-06-17 23:04:41 +02:00
|
|
|
iv->extend = signed_p ? IV_SIGN_EXTEND : IV_ZERO_EXTEND;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Transforms IV0 and IV1 compared by COND so that they are both compared as
|
c-decl.c, [...]: Fix comment typos and formatting.
* c-decl.c, c-ppoutput.c, combine.c, cppfiles.c, dwarf2out.c,
expr.c, fold-const.c, gcc.c, haifa-sched.c, loop-iv.c,
params.def, read-rtl.c, rtl.c, rtlanal.c, toplev.c: Fix
comment typos and formatting. Follow spelling conventions.
From-SVN: r78555
2004-02-27 08:09:43 +01:00
|
|
|
subregs of the same mode if possible (sometimes it is necessary to add
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
some assumptions to DESC). */
|
|
|
|
|
|
|
|
static bool
|
|
|
|
canonicalize_iv_subregs (struct rtx_iv *iv0, struct rtx_iv *iv1,
|
|
|
|
enum rtx_code cond, struct niter_desc *desc)
|
|
|
|
{
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
machine_mode comp_mode;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
bool signed_p;
|
|
|
|
|
|
|
|
/* If the ivs behave specially in the first iteration, or are
|
|
|
|
added/multiplied after extending, we ignore them. */
|
|
|
|
if (iv0->first_special || iv0->mult != const1_rtx || iv0->delta != const0_rtx)
|
|
|
|
return false;
|
|
|
|
if (iv1->first_special || iv1->mult != const1_rtx || iv1->delta != const0_rtx)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
/* If there is some extend, it must match signedness of the comparison. */
|
|
|
|
switch (cond)
|
|
|
|
{
|
|
|
|
case LE:
|
|
|
|
case LT:
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv0->extend == IV_ZERO_EXTEND
|
|
|
|
|| iv1->extend == IV_ZERO_EXTEND)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return false;
|
|
|
|
signed_p = true;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LEU:
|
|
|
|
case LTU:
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv0->extend == IV_SIGN_EXTEND
|
|
|
|
|| iv1->extend == IV_SIGN_EXTEND)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return false;
|
|
|
|
signed_p = false;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case NE:
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv0->extend != IV_UNKNOWN_EXTEND
|
|
|
|
&& iv1->extend != IV_UNKNOWN_EXTEND
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
&& iv0->extend != iv1->extend)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
signed_p = false;
|
2012-06-17 23:04:41 +02:00
|
|
|
if (iv0->extend != IV_UNKNOWN_EXTEND)
|
|
|
|
signed_p = iv0->extend == IV_SIGN_EXTEND;
|
|
|
|
if (iv1->extend != IV_UNKNOWN_EXTEND)
|
|
|
|
signed_p = iv1->extend == IV_SIGN_EXTEND;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
gcc_unreachable ();
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Values of both variables should be computed in the same mode. These
|
|
|
|
might indeed be different, if we have comparison like
|
|
|
|
|
|
|
|
(compare (subreg:SI (iv0)) (subreg:SI (iv1)))
|
|
|
|
|
|
|
|
and iv0 and iv1 are both ivs iterating in SI mode, but calculated
|
|
|
|
in different modes. This does not seem impossible to handle, but
|
|
|
|
it hardly ever occurs in practice.
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
The only exception is the case when one of operands is invariant.
|
|
|
|
For example pentium 3 generates comparisons like
|
|
|
|
(lt (subreg:HI (reg:SI)) 100). Here we assign HImode to 100, but we
|
|
|
|
definitely do not want this prevent the optimization. */
|
|
|
|
comp_mode = iv0->extend_mode;
|
|
|
|
if (GET_MODE_BITSIZE (comp_mode) < GET_MODE_BITSIZE (iv1->extend_mode))
|
|
|
|
comp_mode = iv1->extend_mode;
|
|
|
|
|
|
|
|
if (iv0->extend_mode != comp_mode)
|
|
|
|
{
|
|
|
|
if (iv0->mode != iv0->extend_mode
|
|
|
|
|| iv0->step != const0_rtx)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
iv0->base = simplify_gen_unary (signed_p ? SIGN_EXTEND : ZERO_EXTEND,
|
|
|
|
comp_mode, iv0->base, iv0->mode);
|
|
|
|
iv0->extend_mode = comp_mode;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (iv1->extend_mode != comp_mode)
|
|
|
|
{
|
|
|
|
if (iv1->mode != iv1->extend_mode
|
|
|
|
|| iv1->step != const0_rtx)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
iv1->base = simplify_gen_unary (signed_p ? SIGN_EXTEND : ZERO_EXTEND,
|
|
|
|
comp_mode, iv1->base, iv1->mode);
|
|
|
|
iv1->extend_mode = comp_mode;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check that both ivs belong to a range of a single mode. If one of the
|
|
|
|
operands is an invariant, we may need to shorten it into the common
|
|
|
|
mode. */
|
|
|
|
if (iv0->mode == iv0->extend_mode
|
|
|
|
&& iv0->step == const0_rtx
|
|
|
|
&& iv0->mode != iv1->mode)
|
|
|
|
shorten_into_mode (iv0, iv1->mode, cond, signed_p, desc);
|
|
|
|
|
|
|
|
if (iv1->mode == iv1->extend_mode
|
|
|
|
&& iv1->step == const0_rtx
|
|
|
|
&& iv0->mode != iv1->mode)
|
|
|
|
shorten_into_mode (iv1, iv0->mode, swap_condition (cond), signed_p, desc);
|
|
|
|
|
|
|
|
if (iv0->mode != iv1->mode)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
desc->mode = iv0->mode;
|
|
|
|
desc->signed_p = signed_p;
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2012-04-19 10:51:50 +02:00
|
|
|
/* Tries to estimate the maximum number of iterations in LOOP, and return the
|
|
|
|
result. This function is called from iv_number_of_iterations with
|
2009-03-31 17:21:30 +02:00
|
|
|
a number of fields in DESC already filled in. OLD_NITER is the original
|
|
|
|
expression for the number of iterations, before we tried to simplify it. */
|
2007-02-23 19:03:56 +01:00
|
|
|
|
system.h: Define __STDC_FORMAT_MACROS before including inttypes.h.
2014-05-23 Richard Biener <rguenther@suse.de>
* system.h: Define __STDC_FORMAT_MACROS before
including inttypes.h.
* hwint.h (HOST_WIDEST_INT, HOST_BITS_PER_WIDEST_INT,
HOST_WIDEST_INT_PRINT, HOST_WIDEST_INT_PRINT_DEC,
HOST_WIDEST_INT_PRINT_DEC_C, HOST_WIDEST_INT_PRINT_UNSIGNED,
HOST_WIDEST_INT_PRINT_HEX, HOST_WIDEST_INT_PRINT_DOUBLE_HEX,
HOST_WIDEST_INT_C): Remove.
(PRId64, PRIi64, PRIo64, PRIu64, PRIx64, PRIX64): Define
if C99 inttypes.h is not available.
* coretypes.h (gcov_type, gcov_type_unsigned): Use [u]int64_t.
* gcov-io.h (gcov_type, gcov_type_unsigned): Likewise.
* gcov-io.c (gcov_histo_index): Drop non-64bit hwi case.
* cfgloop.h (struct niter_desc): Use uint64_t for niter field.
* bitmap.c (struct bitmap_descriptor_d): Use uint64_t for counters.
(struct output_info): Likewise.
(print_statistics): Adjust.
(dump_bitmap_statistics): Likewise.
* bt-load.c (migrate_btr_defs): Print with PRId64.
* cfg.c (dump_edge_info, dump_bb_info): Likewise.
(MAX_SAFE_MULTIPLIER): Adjust.
* cfghooks.c (dump_bb_for_graph): Print with PRId64.
* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee,
dump_cgraph_node): Likewise.
* final.c (dump_basic_block_info): Likewise.
* gcov-dump.c (tag_counters, tag_summary, dump_working_sets): Likewise.
* gcov.c (format_gcov): Likewise.
* ipa-cp.c (good_cloning_opportunity_p): Likewise. Use int64_t
for calculation.
(get_clone_agg_value): Use HOST_WIDE_INT for offset.
* ipa-inline.c (compute_max_insns): Use int64_t for calcuation.
(inline_small_functions, dump_overall_stats, dump_inline_stats):
Use PRId64 for dumping.
* ipa-profile.c (dump_histogram, ipa_profile): Likewise.
* ira-color.c (struct allocno_hard_regs): Use int64_t for cost.
(add_allocno_hard_regs): Adjust.
* loop-doloop.c (doloop_modify): Print using PRId64.
* loop-iv.c (inverse): Compute in uint64_t.
(determine_max_iter, iv_number_of_iterations): Likewise.
* loop-unroll.c (decide_peel_completely, decide_peel_simple):
Print using PRId64.
* lto-streamer-out.c (write_symbol): Use uint64_t.
* mcf.c (CAP_INFINITY): Use int64_t maximum.
(dump_fixup_edge, create_fixup_graph, cancel_negative_cycle,
find_max_flow, adjust_cfg_counts): Use int64_t and dump with PRId64.
* modulo-sched.c (const_iteration_count): Use int64_t.
(sms_schedule): Dump using PRId64.
* predict.c (dump_prediction): Likewise.
* pretty-print.h (pp_widest_integer): Remove.
* profile.c (get_working_sets, is_edge_inconsistent,
is_inconsistent, read_profile_edge_counts): Dump using PRId64.
* tree-pretty-print.c (pp_double_int): Remove case handling
HOST_BITS_PER_DOUBLE_INT == HOST_BITS_PER_WIDEST_INT.
* tree-ssa-math-opts.c (struct symbolic_number): Use uint64_t
and adjust users.
(pass_optimize_bswap::execute): Remove restriction on hosts.
* tree-streamer-in.c (streamer_alloc_tree): Use HOST_WIDE_INT.
* tree-streamer-out.c (streamer_write_tree_header): Likewise.
* tree.c (widest_int_cst_value): Remove.
* tree.h (widest_int_cst_value): Likewise.
* value-prof.c (dump_histogram_value): Print using PRId64.
* gengtype.c (main): Also inject int64_t.
* ggc-page.c (struct max_alignment): Use int64_t.
* alloc-pool.c (struct allocation_object_def): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Use uint64_t
for computation.
* doc/tm.texi.in: Remove reference to HOST_WIDEST_INT.
* doc/tm.texi: Regenerated.
* gengtype-lex.l (IWORD): Handle [u]int64_t.
* config/sh/sh.c (expand_cbranchdi4): Use gcov_type.
* config/mmix/mmix-protos.h (mmix_intval, mmix_shiftable_wyde_value,
mmix_output_register_setting): Use [u]int64_t in prototypes.
* config/mmix/mmix.c (mmix_print_operand, mmix_output_register_setting,
mmix_shiftable_wyde_value, mmix_output_shiftvalue_op_from_str,
mmix_output_octa, mmix_output_shifted_value): Adjust.
(mmix_intval): Adjust. Remove unreachable case.
* config/mmix/mmix.md (*nonlocal_goto_receiver_expanded): Use
int64_t.
lto/
* lto.c (lto_parse_hex): Use int64_t.
(lto_resolution_read): Likewise.
From-SVN: r210931
2014-05-26 12:42:43 +02:00
|
|
|
static uint64_t
|
2009-03-31 17:21:30 +02:00
|
|
|
determine_max_iter (struct loop *loop, struct niter_desc *desc, rtx old_niter)
|
2007-02-23 19:03:56 +01:00
|
|
|
{
|
|
|
|
rtx niter = desc->niter_expr;
|
2007-02-24 14:40:54 +01:00
|
|
|
rtx mmin, mmax, cmp;
|
system.h: Define __STDC_FORMAT_MACROS before including inttypes.h.
2014-05-23 Richard Biener <rguenther@suse.de>
* system.h: Define __STDC_FORMAT_MACROS before
including inttypes.h.
* hwint.h (HOST_WIDEST_INT, HOST_BITS_PER_WIDEST_INT,
HOST_WIDEST_INT_PRINT, HOST_WIDEST_INT_PRINT_DEC,
HOST_WIDEST_INT_PRINT_DEC_C, HOST_WIDEST_INT_PRINT_UNSIGNED,
HOST_WIDEST_INT_PRINT_HEX, HOST_WIDEST_INT_PRINT_DOUBLE_HEX,
HOST_WIDEST_INT_C): Remove.
(PRId64, PRIi64, PRIo64, PRIu64, PRIx64, PRIX64): Define
if C99 inttypes.h is not available.
* coretypes.h (gcov_type, gcov_type_unsigned): Use [u]int64_t.
* gcov-io.h (gcov_type, gcov_type_unsigned): Likewise.
* gcov-io.c (gcov_histo_index): Drop non-64bit hwi case.
* cfgloop.h (struct niter_desc): Use uint64_t for niter field.
* bitmap.c (struct bitmap_descriptor_d): Use uint64_t for counters.
(struct output_info): Likewise.
(print_statistics): Adjust.
(dump_bitmap_statistics): Likewise.
* bt-load.c (migrate_btr_defs): Print with PRId64.
* cfg.c (dump_edge_info, dump_bb_info): Likewise.
(MAX_SAFE_MULTIPLIER): Adjust.
* cfghooks.c (dump_bb_for_graph): Print with PRId64.
* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee,
dump_cgraph_node): Likewise.
* final.c (dump_basic_block_info): Likewise.
* gcov-dump.c (tag_counters, tag_summary, dump_working_sets): Likewise.
* gcov.c (format_gcov): Likewise.
* ipa-cp.c (good_cloning_opportunity_p): Likewise. Use int64_t
for calculation.
(get_clone_agg_value): Use HOST_WIDE_INT for offset.
* ipa-inline.c (compute_max_insns): Use int64_t for calcuation.
(inline_small_functions, dump_overall_stats, dump_inline_stats):
Use PRId64 for dumping.
* ipa-profile.c (dump_histogram, ipa_profile): Likewise.
* ira-color.c (struct allocno_hard_regs): Use int64_t for cost.
(add_allocno_hard_regs): Adjust.
* loop-doloop.c (doloop_modify): Print using PRId64.
* loop-iv.c (inverse): Compute in uint64_t.
(determine_max_iter, iv_number_of_iterations): Likewise.
* loop-unroll.c (decide_peel_completely, decide_peel_simple):
Print using PRId64.
* lto-streamer-out.c (write_symbol): Use uint64_t.
* mcf.c (CAP_INFINITY): Use int64_t maximum.
(dump_fixup_edge, create_fixup_graph, cancel_negative_cycle,
find_max_flow, adjust_cfg_counts): Use int64_t and dump with PRId64.
* modulo-sched.c (const_iteration_count): Use int64_t.
(sms_schedule): Dump using PRId64.
* predict.c (dump_prediction): Likewise.
* pretty-print.h (pp_widest_integer): Remove.
* profile.c (get_working_sets, is_edge_inconsistent,
is_inconsistent, read_profile_edge_counts): Dump using PRId64.
* tree-pretty-print.c (pp_double_int): Remove case handling
HOST_BITS_PER_DOUBLE_INT == HOST_BITS_PER_WIDEST_INT.
* tree-ssa-math-opts.c (struct symbolic_number): Use uint64_t
and adjust users.
(pass_optimize_bswap::execute): Remove restriction on hosts.
* tree-streamer-in.c (streamer_alloc_tree): Use HOST_WIDE_INT.
* tree-streamer-out.c (streamer_write_tree_header): Likewise.
* tree.c (widest_int_cst_value): Remove.
* tree.h (widest_int_cst_value): Likewise.
* value-prof.c (dump_histogram_value): Print using PRId64.
* gengtype.c (main): Also inject int64_t.
* ggc-page.c (struct max_alignment): Use int64_t.
* alloc-pool.c (struct allocation_object_def): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Use uint64_t
for computation.
* doc/tm.texi.in: Remove reference to HOST_WIDEST_INT.
* doc/tm.texi: Regenerated.
* gengtype-lex.l (IWORD): Handle [u]int64_t.
* config/sh/sh.c (expand_cbranchdi4): Use gcov_type.
* config/mmix/mmix-protos.h (mmix_intval, mmix_shiftable_wyde_value,
mmix_output_register_setting): Use [u]int64_t in prototypes.
* config/mmix/mmix.c (mmix_print_operand, mmix_output_register_setting,
mmix_shiftable_wyde_value, mmix_output_shiftvalue_op_from_str,
mmix_output_octa, mmix_output_shifted_value): Adjust.
(mmix_intval): Adjust. Remove unreachable case.
* config/mmix/mmix.md (*nonlocal_goto_receiver_expanded): Use
int64_t.
lto/
* lto.c (lto_parse_hex): Use int64_t.
(lto_resolution_read): Likewise.
From-SVN: r210931
2014-05-26 12:42:43 +02:00
|
|
|
uint64_t nmax, inc;
|
|
|
|
uint64_t andmax = 0;
|
2012-10-13 18:50:03 +02:00
|
|
|
|
|
|
|
/* We used to look for constant operand 0 of AND,
|
|
|
|
but canonicalization should always make this impossible. */
|
|
|
|
gcc_checking_assert (GET_CODE (niter) != AND
|
|
|
|
|| !CONST_INT_P (XEXP (niter, 0)));
|
2007-02-23 19:03:56 +01:00
|
|
|
|
|
|
|
if (GET_CODE (niter) == AND
|
2012-10-13 18:50:03 +02:00
|
|
|
&& CONST_INT_P (XEXP (niter, 1)))
|
2007-02-23 19:03:56 +01:00
|
|
|
{
|
2012-10-13 18:50:03 +02:00
|
|
|
andmax = UINTVAL (XEXP (niter, 1));
|
|
|
|
niter = XEXP (niter, 0);
|
2007-02-23 19:03:56 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
get_mode_bounds (desc->mode, desc->signed_p, desc->mode, &mmin, &mmax);
|
2014-11-20 17:36:14 +01:00
|
|
|
nmax = UINTVAL (mmax) - UINTVAL (mmin);
|
2007-02-23 19:03:56 +01:00
|
|
|
|
|
|
|
if (GET_CODE (niter) == UDIV)
|
|
|
|
{
|
2009-06-22 12:29:13 +02:00
|
|
|
if (!CONST_INT_P (XEXP (niter, 1)))
|
2012-04-19 10:51:50 +02:00
|
|
|
return nmax;
|
2007-02-23 19:03:56 +01:00
|
|
|
inc = INTVAL (XEXP (niter, 1));
|
|
|
|
niter = XEXP (niter, 0);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
inc = 1;
|
|
|
|
|
2007-02-24 14:40:54 +01:00
|
|
|
/* We could use a binary search here, but for now improving the upper
|
|
|
|
bound by just one eliminates one important corner case. */
|
2009-03-31 17:21:30 +02:00
|
|
|
cmp = simplify_gen_relational (desc->signed_p ? LT : LTU, VOIDmode,
|
|
|
|
desc->mode, old_niter, mmax);
|
2007-02-24 14:40:54 +01:00
|
|
|
simplify_using_initial_values (loop, UNKNOWN, &cmp);
|
|
|
|
if (cmp == const_true_rtx)
|
2007-02-23 19:03:56 +01:00
|
|
|
{
|
2007-02-24 14:40:54 +01:00
|
|
|
nmax--;
|
2007-02-23 19:03:56 +01:00
|
|
|
|
2007-02-24 14:40:54 +01:00
|
|
|
if (dump_file)
|
|
|
|
fprintf (dump_file, ";; improved upper bound by one.\n");
|
2007-02-23 19:03:56 +01:00
|
|
|
}
|
2012-10-13 18:50:03 +02:00
|
|
|
nmax /= inc;
|
|
|
|
if (andmax)
|
|
|
|
nmax = MIN (nmax, andmax);
|
|
|
|
if (dump_file)
|
system.h: Define __STDC_FORMAT_MACROS before including inttypes.h.
2014-05-23 Richard Biener <rguenther@suse.de>
* system.h: Define __STDC_FORMAT_MACROS before
including inttypes.h.
* hwint.h (HOST_WIDEST_INT, HOST_BITS_PER_WIDEST_INT,
HOST_WIDEST_INT_PRINT, HOST_WIDEST_INT_PRINT_DEC,
HOST_WIDEST_INT_PRINT_DEC_C, HOST_WIDEST_INT_PRINT_UNSIGNED,
HOST_WIDEST_INT_PRINT_HEX, HOST_WIDEST_INT_PRINT_DOUBLE_HEX,
HOST_WIDEST_INT_C): Remove.
(PRId64, PRIi64, PRIo64, PRIu64, PRIx64, PRIX64): Define
if C99 inttypes.h is not available.
* coretypes.h (gcov_type, gcov_type_unsigned): Use [u]int64_t.
* gcov-io.h (gcov_type, gcov_type_unsigned): Likewise.
* gcov-io.c (gcov_histo_index): Drop non-64bit hwi case.
* cfgloop.h (struct niter_desc): Use uint64_t for niter field.
* bitmap.c (struct bitmap_descriptor_d): Use uint64_t for counters.
(struct output_info): Likewise.
(print_statistics): Adjust.
(dump_bitmap_statistics): Likewise.
* bt-load.c (migrate_btr_defs): Print with PRId64.
* cfg.c (dump_edge_info, dump_bb_info): Likewise.
(MAX_SAFE_MULTIPLIER): Adjust.
* cfghooks.c (dump_bb_for_graph): Print with PRId64.
* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee,
dump_cgraph_node): Likewise.
* final.c (dump_basic_block_info): Likewise.
* gcov-dump.c (tag_counters, tag_summary, dump_working_sets): Likewise.
* gcov.c (format_gcov): Likewise.
* ipa-cp.c (good_cloning_opportunity_p): Likewise. Use int64_t
for calculation.
(get_clone_agg_value): Use HOST_WIDE_INT for offset.
* ipa-inline.c (compute_max_insns): Use int64_t for calcuation.
(inline_small_functions, dump_overall_stats, dump_inline_stats):
Use PRId64 for dumping.
* ipa-profile.c (dump_histogram, ipa_profile): Likewise.
* ira-color.c (struct allocno_hard_regs): Use int64_t for cost.
(add_allocno_hard_regs): Adjust.
* loop-doloop.c (doloop_modify): Print using PRId64.
* loop-iv.c (inverse): Compute in uint64_t.
(determine_max_iter, iv_number_of_iterations): Likewise.
* loop-unroll.c (decide_peel_completely, decide_peel_simple):
Print using PRId64.
* lto-streamer-out.c (write_symbol): Use uint64_t.
* mcf.c (CAP_INFINITY): Use int64_t maximum.
(dump_fixup_edge, create_fixup_graph, cancel_negative_cycle,
find_max_flow, adjust_cfg_counts): Use int64_t and dump with PRId64.
* modulo-sched.c (const_iteration_count): Use int64_t.
(sms_schedule): Dump using PRId64.
* predict.c (dump_prediction): Likewise.
* pretty-print.h (pp_widest_integer): Remove.
* profile.c (get_working_sets, is_edge_inconsistent,
is_inconsistent, read_profile_edge_counts): Dump using PRId64.
* tree-pretty-print.c (pp_double_int): Remove case handling
HOST_BITS_PER_DOUBLE_INT == HOST_BITS_PER_WIDEST_INT.
* tree-ssa-math-opts.c (struct symbolic_number): Use uint64_t
and adjust users.
(pass_optimize_bswap::execute): Remove restriction on hosts.
* tree-streamer-in.c (streamer_alloc_tree): Use HOST_WIDE_INT.
* tree-streamer-out.c (streamer_write_tree_header): Likewise.
* tree.c (widest_int_cst_value): Remove.
* tree.h (widest_int_cst_value): Likewise.
* value-prof.c (dump_histogram_value): Print using PRId64.
* gengtype.c (main): Also inject int64_t.
* ggc-page.c (struct max_alignment): Use int64_t.
* alloc-pool.c (struct allocation_object_def): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Use uint64_t
for computation.
* doc/tm.texi.in: Remove reference to HOST_WIDEST_INT.
* doc/tm.texi: Regenerated.
* gengtype-lex.l (IWORD): Handle [u]int64_t.
* config/sh/sh.c (expand_cbranchdi4): Use gcov_type.
* config/mmix/mmix-protos.h (mmix_intval, mmix_shiftable_wyde_value,
mmix_output_register_setting): Use [u]int64_t in prototypes.
* config/mmix/mmix.c (mmix_print_operand, mmix_output_register_setting,
mmix_shiftable_wyde_value, mmix_output_shiftvalue_op_from_str,
mmix_output_octa, mmix_output_shifted_value): Adjust.
(mmix_intval): Adjust. Remove unreachable case.
* config/mmix/mmix.md (*nonlocal_goto_receiver_expanded): Use
int64_t.
lto/
* lto.c (lto_parse_hex): Use int64_t.
(lto_resolution_read): Likewise.
From-SVN: r210931
2014-05-26 12:42:43 +02:00
|
|
|
fprintf (dump_file, ";; Determined upper bound %"PRId64".\n",
|
2012-10-13 18:50:03 +02:00
|
|
|
nmax);
|
|
|
|
return nmax;
|
2007-02-23 19:03:56 +01:00
|
|
|
}
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
/* Computes number of iterations of the CONDITION in INSN in LOOP and stores
|
|
|
|
the result into DESC. Very similar to determine_number_of_iterations
|
|
|
|
(basically its rtl version), complicated by things like subregs. */
|
|
|
|
|
2004-11-09 20:21:29 +01:00
|
|
|
static void
|
2014-08-22 20:12:28 +02:00
|
|
|
iv_number_of_iterations (struct loop *loop, rtx_insn *insn, rtx condition,
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
struct niter_desc *desc)
|
|
|
|
{
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
rtx op0, op1, delta, step, bound, may_xform, tmp, tmp0, tmp1;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
struct rtx_iv iv0, iv1, tmp_iv;
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
rtx assumption, may_not_xform;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
enum rtx_code cond;
|
decl.c, [...]: Remove redundant enum from machine_mode.
gcc/ada/
* gcc-interface/decl.c, gcc-interface/gigi.h, gcc-interface/misc.c,
gcc-interface/trans.c, gcc-interface/utils.c, gcc-interface/utils2.c:
Remove redundant enum from machine_mode.
gcc/c-family/
* c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
enum from machine_mode.
gcc/c/
* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
machine_mode.
gcc/cp/
* constexpr.c: Remove redundant enum from machine_mode.
gcc/fortran/
* trans-types.c, trans-types.h: Remove redundant enum from
machine_mode.
gcc/go/
* go-lang.c: Remove redundant enum from machine_mode.
gcc/java/
* builtins.c, java-tree.h, typeck.c: Remove redundant enum from
machine_mode.
gcc/lto/
* lto-lang.c: Remove redundant enum from machine_mode.
gcc/
* addresses.h, alias.c, asan.c, auto-inc-dec.c, bt-load.c, builtins.c,
builtins.h, caller-save.c, calls.c, calls.h, cfgexpand.c, cfgloop.h,
cfgrtl.c, combine.c, compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-protos.h, config/aarch64/aarch64-simd.md,
config/aarch64/aarch64.c, config/aarch64/aarch64.h,
config/aarch64/aarch64.md, config/alpha/alpha-protos.h,
config/alpha/alpha.c, config/arc/arc-protos.h, config/arc/arc.c,
config/arc/arc.h, config/arc/predicates.md,
config/arm/aarch-common-protos.h, config/arm/aarch-common.c,
config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
config/arm/arm.md, config/arm/neon.md, config/arm/thumb2.md,
config/avr/avr-log.c, config/avr/avr-protos.h, config/avr/avr.c,
config/avr/avr.md, config/bfin/bfin-protos.h, config/bfin/bfin.c,
config/c6x/c6x-protos.h, config/c6x/c6x.c, config/c6x/c6x.md,
config/cr16/cr16-protos.h, config/cr16/cr16.c,
config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.md,
config/darwin-protos.h, config/darwin.c,
config/epiphany/epiphany-protos.h, config/epiphany/epiphany.c,
config/epiphany/epiphany.md, config/fr30/fr30.c,
config/frv/frv-protos.h, config/frv/frv.c, config/frv/predicates.md,
config/h8300/h8300-protos.h, config/h8300/h8300.c,
config/i386/i386-builtin-types.awk, config/i386/i386-protos.h,
config/i386/i386.c, config/i386/i386.md, config/i386/predicates.md,
config/i386/sse.md, config/i386/sync.md, config/ia64/ia64-protos.h,
config/ia64/ia64.c, config/iq2000/iq2000-protos.h,
config/iq2000/iq2000.c, config/iq2000/iq2000.md,
config/lm32/lm32-protos.h, config/lm32/lm32.c,
config/m32c/m32c-protos.h, config/m32c/m32c.c,
config/m32r/m32r-protos.h, config/m32r/m32r.c,
config/m68k/m68k-protos.h, config/m68k/m68k.c,
config/mcore/mcore-protos.h, config/mcore/mcore.c,
config/mcore/mcore.md, config/mep/mep-protos.h, config/mep/mep.c,
config/microblaze/microblaze-protos.h, config/microblaze/microblaze.c,
config/mips/mips-protos.h, config/mips/mips.c,
config/mmix/mmix-protos.h, config/mmix/mmix.c,
config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
config/moxie/moxie.c, config/msp430/msp430-protos.h,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-protos.h, config/nds32/nds32.c,
config/nios2/nios2-protos.h, config/nios2/nios2.c,
config/pa/pa-protos.h, config/pa/pa.c, config/pdp11/pdp11-protos.h,
config/pdp11/pdp11.c, config/rl78/rl78-protos.h, config/rl78/rl78.c,
config/rs6000/altivec.md, config/rs6000/rs6000-c.c,
config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
config/rs6000/rs6000.h, config/rx/rx-protos.h, config/rx/rx.c,
config/s390/predicates.md, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/predicates.md, config/sh/sh-protos.h, config/sh/sh.c,
config/sh/sh.md, config/sparc/predicates.md,
config/sparc/sparc-protos.h, config/sparc/sparc.c,
config/sparc/sparc.md, config/spu/spu-protos.h, config/spu/spu.c,
config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
config/tilegx/tilegx-protos.h, config/tilegx/tilegx.c,
config/tilegx/tilegx.md, config/tilepro/tilepro-protos.h,
config/tilepro/tilepro.c, config/v850/v850-protos.h,
config/v850/v850.c, config/v850/v850.md, config/vax/vax-protos.h,
config/vax/vax.c, config/vms/vms-c.c, config/xtensa/xtensa-protos.h,
config/xtensa/xtensa.c, coverage.c, cprop.c, cse.c, cselib.c, cselib.h,
dbxout.c, ddg.c, df-problems.c, dfp.c, dfp.h, doc/md.texi,
doc/rtl.texi, doc/tm.texi, doc/tm.texi.in, dojump.c, dse.c,
dwarf2cfi.c, dwarf2out.c, dwarf2out.h, emit-rtl.c, emit-rtl.h,
except.c, explow.c, expmed.c, expmed.h, expr.c, expr.h, final.c,
fixed-value.c, fixed-value.h, fold-const.c, function.c, function.h,
fwprop.c, gcse.c, gengenrtl.c, genmodes.c, genopinit.c, genoutput.c,
genpreds.c, genrecog.c, gensupport.c, gimple-ssa-strength-reduction.c,
graphite-clast-to-gimple.c, haifa-sched.c, hooks.c, hooks.h, ifcvt.c,
internal-fn.c, ira-build.c, ira-color.c, ira-conflicts.c, ira-costs.c,
ira-emit.c, ira-int.h, ira-lives.c, ira.c, ira.h, jump.c, langhooks.h,
libfuncs.h, lists.c, loop-doloop.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, lower-subreg.c, lower-subreg.h, lra-assigns.c,
lra-constraints.c, lra-eliminations.c, lra-int.h, lra-lives.c,
lra-spills.c, lra.c, lra.h, machmode.h, omp-low.c, optabs.c, optabs.h,
output.h, postreload.c, print-tree.c, read-rtl.c, real.c, real.h,
recog.c, recog.h, ree.c, reg-stack.c, regcprop.c, reginfo.c,
regrename.c, regs.h, reload.c, reload.h, reload1.c, rtl.c, rtl.h,
rtlanal.c, rtlhash.c, rtlhooks-def.h, rtlhooks.c, sched-deps.c,
sel-sched-dump.c, sel-sched-ir.c, sel-sched-ir.h, sel-sched.c,
simplify-rtx.c, stmt.c, stor-layout.c, stor-layout.h, target.def,
targhooks.c, targhooks.h, tree-affine.c, tree-call-cdce.c,
tree-complex.c, tree-data-ref.c, tree-dfa.c, tree-if-conv.c,
tree-inline.c, tree-outof-ssa.c, tree-scalar-evolution.c,
tree-ssa-address.c, tree-ssa-ccp.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-ivopts.h, tree-ssa-loop-manip.c,
tree-ssa-loop-prefetch.c, tree-ssa-math-opts.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-streamer-in.c, tree-switch-conversion.c,
tree-vect-data-refs.c, tree-vect-generic.c, tree-vect-loop.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, tree.c, tree.h, tsan.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Remove redundant enum from
machine_mode.
gcc/
* gengtype.c (main): Treat machine_mode as a scalar typedef.
* genmodes.c (emit_insn_modes_h): Hide inline functions if
USED_FOR_TARGET.
From-SVN: r216834
2014-10-29 13:02:45 +01:00
|
|
|
machine_mode mode, comp_mode;
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
rtx mmin, mmax, mode_mmin, mode_mmax;
|
system.h: Define __STDC_FORMAT_MACROS before including inttypes.h.
2014-05-23 Richard Biener <rguenther@suse.de>
* system.h: Define __STDC_FORMAT_MACROS before
including inttypes.h.
* hwint.h (HOST_WIDEST_INT, HOST_BITS_PER_WIDEST_INT,
HOST_WIDEST_INT_PRINT, HOST_WIDEST_INT_PRINT_DEC,
HOST_WIDEST_INT_PRINT_DEC_C, HOST_WIDEST_INT_PRINT_UNSIGNED,
HOST_WIDEST_INT_PRINT_HEX, HOST_WIDEST_INT_PRINT_DOUBLE_HEX,
HOST_WIDEST_INT_C): Remove.
(PRId64, PRIi64, PRIo64, PRIu64, PRIx64, PRIX64): Define
if C99 inttypes.h is not available.
* coretypes.h (gcov_type, gcov_type_unsigned): Use [u]int64_t.
* gcov-io.h (gcov_type, gcov_type_unsigned): Likewise.
* gcov-io.c (gcov_histo_index): Drop non-64bit hwi case.
* cfgloop.h (struct niter_desc): Use uint64_t for niter field.
* bitmap.c (struct bitmap_descriptor_d): Use uint64_t for counters.
(struct output_info): Likewise.
(print_statistics): Adjust.
(dump_bitmap_statistics): Likewise.
* bt-load.c (migrate_btr_defs): Print with PRId64.
* cfg.c (dump_edge_info, dump_bb_info): Likewise.
(MAX_SAFE_MULTIPLIER): Adjust.
* cfghooks.c (dump_bb_for_graph): Print with PRId64.
* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee,
dump_cgraph_node): Likewise.
* final.c (dump_basic_block_info): Likewise.
* gcov-dump.c (tag_counters, tag_summary, dump_working_sets): Likewise.
* gcov.c (format_gcov): Likewise.
* ipa-cp.c (good_cloning_opportunity_p): Likewise. Use int64_t
for calculation.
(get_clone_agg_value): Use HOST_WIDE_INT for offset.
* ipa-inline.c (compute_max_insns): Use int64_t for calcuation.
(inline_small_functions, dump_overall_stats, dump_inline_stats):
Use PRId64 for dumping.
* ipa-profile.c (dump_histogram, ipa_profile): Likewise.
* ira-color.c (struct allocno_hard_regs): Use int64_t for cost.
(add_allocno_hard_regs): Adjust.
* loop-doloop.c (doloop_modify): Print using PRId64.
* loop-iv.c (inverse): Compute in uint64_t.
(determine_max_iter, iv_number_of_iterations): Likewise.
* loop-unroll.c (decide_peel_completely, decide_peel_simple):
Print using PRId64.
* lto-streamer-out.c (write_symbol): Use uint64_t.
* mcf.c (CAP_INFINITY): Use int64_t maximum.
(dump_fixup_edge, create_fixup_graph, cancel_negative_cycle,
find_max_flow, adjust_cfg_counts): Use int64_t and dump with PRId64.
* modulo-sched.c (const_iteration_count): Use int64_t.
(sms_schedule): Dump using PRId64.
* predict.c (dump_prediction): Likewise.
* pretty-print.h (pp_widest_integer): Remove.
* profile.c (get_working_sets, is_edge_inconsistent,
is_inconsistent, read_profile_edge_counts): Dump using PRId64.
* tree-pretty-print.c (pp_double_int): Remove case handling
HOST_BITS_PER_DOUBLE_INT == HOST_BITS_PER_WIDEST_INT.
* tree-ssa-math-opts.c (struct symbolic_number): Use uint64_t
and adjust users.
(pass_optimize_bswap::execute): Remove restriction on hosts.
* tree-streamer-in.c (streamer_alloc_tree): Use HOST_WIDE_INT.
* tree-streamer-out.c (streamer_write_tree_header): Likewise.
* tree.c (widest_int_cst_value): Remove.
* tree.h (widest_int_cst_value): Likewise.
* value-prof.c (dump_histogram_value): Print using PRId64.
* gengtype.c (main): Also inject int64_t.
* ggc-page.c (struct max_alignment): Use int64_t.
* alloc-pool.c (struct allocation_object_def): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Use uint64_t
for computation.
* doc/tm.texi.in: Remove reference to HOST_WIDEST_INT.
* doc/tm.texi: Regenerated.
* gengtype-lex.l (IWORD): Handle [u]int64_t.
* config/sh/sh.c (expand_cbranchdi4): Use gcov_type.
* config/mmix/mmix-protos.h (mmix_intval, mmix_shiftable_wyde_value,
mmix_output_register_setting): Use [u]int64_t in prototypes.
* config/mmix/mmix.c (mmix_print_operand, mmix_output_register_setting,
mmix_shiftable_wyde_value, mmix_output_shiftvalue_op_from_str,
mmix_output_octa, mmix_output_shifted_value): Adjust.
(mmix_intval): Adjust. Remove unreachable case.
* config/mmix/mmix.md (*nonlocal_goto_receiver_expanded): Use
int64_t.
lto/
* lto.c (lto_parse_hex): Use int64_t.
(lto_resolution_read): Likewise.
From-SVN: r210931
2014-05-26 12:42:43 +02:00
|
|
|
uint64_t s, size, d, inv, max;
|
|
|
|
int64_t up, down, inc, step_val;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
int was_sharp = false;
|
2004-07-11 04:52:54 +02:00
|
|
|
rtx old_niter;
|
2004-12-18 21:14:24 +01:00
|
|
|
bool step_is_pow2;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
/* The meaning of these assumptions is this:
|
|
|
|
if !assumptions
|
|
|
|
then the rest of information does not have to be valid
|
|
|
|
if noloop_assumptions then the loop does not roll
|
|
|
|
if infinite then this exit is never used */
|
|
|
|
|
|
|
|
desc->assumptions = NULL_RTX;
|
|
|
|
desc->noloop_assumptions = NULL_RTX;
|
|
|
|
desc->infinite = NULL_RTX;
|
|
|
|
desc->simple_p = true;
|
|
|
|
|
|
|
|
desc->const_iter = false;
|
|
|
|
desc->niter_expr = NULL_RTX;
|
|
|
|
|
|
|
|
cond = GET_CODE (condition);
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
gcc_assert (COMPARISON_P (condition));
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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|
mode = GET_MODE (XEXP (condition, 0));
|
|
|
|
if (mode == VOIDmode)
|
|
|
|
mode = GET_MODE (XEXP (condition, 1));
|
|
|
|
/* The constant comparisons should be folded. */
|
local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
2005-04-01 16:17:36 +02:00
|
|
|
gcc_assert (mode != VOIDmode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
/* We only handle integers or pointers. */
|
|
|
|
if (GET_MODE_CLASS (mode) != MODE_INT
|
|
|
|
&& GET_MODE_CLASS (mode) != MODE_PARTIAL_INT)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
op0 = XEXP (condition, 0);
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (!iv_analyze (insn, op0, &iv0))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
goto fail;
|
|
|
|
if (iv0.extend_mode == VOIDmode)
|
|
|
|
iv0.mode = iv0.extend_mode = mode;
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
op1 = XEXP (condition, 1);
|
loop-iv.c: Include df.h and hashtab.h.
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-20 01:46:37 +01:00
|
|
|
if (!iv_analyze (insn, op1, &iv1))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
goto fail;
|
|
|
|
if (iv1.extend_mode == VOIDmode)
|
|
|
|
iv1.mode = iv1.extend_mode = mode;
|
|
|
|
|
|
|
|
if (GET_MODE_BITSIZE (iv0.extend_mode) > HOST_BITS_PER_WIDE_INT
|
|
|
|
|| GET_MODE_BITSIZE (iv1.extend_mode) > HOST_BITS_PER_WIDE_INT)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
/* Check condition and normalize it. */
|
|
|
|
|
|
|
|
switch (cond)
|
|
|
|
{
|
|
|
|
case GE:
|
|
|
|
case GT:
|
|
|
|
case GEU:
|
|
|
|
case GTU:
|
|
|
|
tmp_iv = iv0; iv0 = iv1; iv1 = tmp_iv;
|
|
|
|
cond = swap_condition (cond);
|
|
|
|
break;
|
|
|
|
case NE:
|
|
|
|
case LE:
|
|
|
|
case LEU:
|
|
|
|
case LT:
|
|
|
|
case LTU:
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Handle extends. This is relatively nontrivial, so we only try in some
|
|
|
|
easy cases, when we can canonicalize the ivs (possibly by adding some
|
|
|
|
assumptions) to shape subreg (base + i * step). This function also fills
|
|
|
|
in desc->mode and desc->signed_p. */
|
|
|
|
|
|
|
|
if (!canonicalize_iv_subregs (&iv0, &iv1, cond, desc))
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
comp_mode = iv0.extend_mode;
|
|
|
|
mode = iv0.mode;
|
2014-08-30 01:35:12 +02:00
|
|
|
size = GET_MODE_PRECISION (mode);
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
get_mode_bounds (mode, (cond == LE || cond == LT), comp_mode, &mmin, &mmax);
|
2009-02-21 17:48:05 +01:00
|
|
|
mode_mmin = lowpart_subreg (mode, mmin, comp_mode);
|
|
|
|
mode_mmax = lowpart_subreg (mode, mmax, comp_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2009-06-22 12:29:13 +02:00
|
|
|
if (!CONST_INT_P (iv0.step) || !CONST_INT_P (iv1.step))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
goto fail;
|
|
|
|
|
|
|
|
/* We can take care of the case of two induction variables chasing each other
|
|
|
|
if the test is NE. I have never seen a loop using it, but still it is
|
|
|
|
cool. */
|
|
|
|
if (iv0.step != const0_rtx && iv1.step != const0_rtx)
|
|
|
|
{
|
|
|
|
if (cond != NE)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
iv0.step = simplify_gen_binary (MINUS, comp_mode, iv0.step, iv1.step);
|
|
|
|
iv1.step = const0_rtx;
|
|
|
|
}
|
|
|
|
|
2013-01-03 10:05:43 +01:00
|
|
|
iv0.step = lowpart_subreg (mode, iv0.step, comp_mode);
|
|
|
|
iv1.step = lowpart_subreg (mode, iv1.step, comp_mode);
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
/* This is either infinite loop or the one that ends immediately, depending
|
|
|
|
on initial values. Unswitching should remove this kind of conditions. */
|
|
|
|
if (iv0.step == const0_rtx && iv1.step == const0_rtx)
|
|
|
|
goto fail;
|
|
|
|
|
2004-12-18 21:14:24 +01:00
|
|
|
if (cond != NE)
|
|
|
|
{
|
|
|
|
if (iv0.step == const0_rtx)
|
|
|
|
step_val = -INTVAL (iv1.step);
|
|
|
|
else
|
2004-12-28 11:33:39 +01:00
|
|
|
step_val = INTVAL (iv0.step);
|
2004-12-18 21:14:24 +01:00
|
|
|
|
|
|
|
/* Ignore loops of while (i-- < 10) type. */
|
|
|
|
if (step_val < 0)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
step_is_pow2 = !(step_val & (step_val - 1));
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* We do not care about whether the step is power of two in this
|
|
|
|
case. */
|
|
|
|
step_is_pow2 = false;
|
|
|
|
step_val = 0;
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
/* Some more condition normalization. We must record some assumptions
|
|
|
|
due to overflows. */
|
|
|
|
switch (cond)
|
|
|
|
{
|
|
|
|
case LT:
|
|
|
|
case LTU:
|
|
|
|
/* We want to take care only of non-sharp relationals; this is easy,
|
|
|
|
as in cases the overflow would make the transformation unsafe
|
|
|
|
the loop does not roll. Seemingly it would make more sense to want
|
|
|
|
to take care of sharp relationals instead, as NE is more similar to
|
|
|
|
them, but the problem is that here the transformation would be more
|
|
|
|
difficult due to possibly infinite loops. */
|
|
|
|
if (iv0.step == const0_rtx)
|
|
|
|
{
|
2009-02-21 17:48:05 +01:00
|
|
|
tmp = lowpart_subreg (mode, iv0.base, comp_mode);
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
assumption = simplify_gen_relational (EQ, SImode, mode, tmp,
|
|
|
|
mode_mmax);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
if (assumption == const_true_rtx)
|
2005-05-06 22:24:00 +02:00
|
|
|
goto zero_iter_simplify;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
iv0.base = simplify_gen_binary (PLUS, comp_mode,
|
|
|
|
iv0.base, const1_rtx);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2009-02-21 17:48:05 +01:00
|
|
|
tmp = lowpart_subreg (mode, iv1.base, comp_mode);
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
assumption = simplify_gen_relational (EQ, SImode, mode, tmp,
|
|
|
|
mode_mmin);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
if (assumption == const_true_rtx)
|
2005-05-06 22:24:00 +02:00
|
|
|
goto zero_iter_simplify;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
iv1.base = simplify_gen_binary (PLUS, comp_mode,
|
|
|
|
iv1.base, constm1_rtx);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (assumption != const0_rtx)
|
|
|
|
desc->noloop_assumptions =
|
|
|
|
alloc_EXPR_LIST (0, assumption, desc->noloop_assumptions);
|
|
|
|
cond = (cond == LT) ? LE : LEU;
|
|
|
|
|
|
|
|
/* It will be useful to be able to tell the difference once more in
|
|
|
|
LE -> NE reduction. */
|
|
|
|
was_sharp = true;
|
|
|
|
break;
|
|
|
|
default: ;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Take care of trivially infinite loops. */
|
|
|
|
if (cond != NE)
|
|
|
|
{
|
|
|
|
if (iv0.step == const0_rtx)
|
|
|
|
{
|
2009-02-21 17:48:05 +01:00
|
|
|
tmp = lowpart_subreg (mode, iv0.base, comp_mode);
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
if (rtx_equal_p (tmp, mode_mmin))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
desc->infinite =
|
|
|
|
alloc_EXPR_LIST (0, const_true_rtx, NULL_RTX);
|
2005-05-06 22:24:00 +02:00
|
|
|
/* Fill in the remaining fields somehow. */
|
|
|
|
goto zero_iter_simplify;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2009-02-21 17:48:05 +01:00
|
|
|
tmp = lowpart_subreg (mode, iv1.base, comp_mode);
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
if (rtx_equal_p (tmp, mode_mmax))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
desc->infinite =
|
|
|
|
alloc_EXPR_LIST (0, const_true_rtx, NULL_RTX);
|
2005-05-06 22:24:00 +02:00
|
|
|
/* Fill in the remaining fields somehow. */
|
|
|
|
goto zero_iter_simplify;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If we can we want to take care of NE conditions instead of size
|
|
|
|
comparisons, as they are much more friendly (most importantly
|
|
|
|
this takes care of special handling of loops with step 1). We can
|
|
|
|
do it if we first check that upper bound is greater or equal to
|
|
|
|
lower bound, their difference is constant c modulo step and that
|
|
|
|
there is not an overflow. */
|
|
|
|
if (cond != NE)
|
|
|
|
{
|
|
|
|
if (iv0.step == const0_rtx)
|
|
|
|
step = simplify_gen_unary (NEG, comp_mode, iv1.step, comp_mode);
|
|
|
|
else
|
|
|
|
step = iv0.step;
|
2013-01-03 10:05:43 +01:00
|
|
|
step = lowpart_subreg (mode, step, comp_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
delta = simplify_gen_binary (MINUS, comp_mode, iv1.base, iv0.base);
|
2009-02-21 17:48:05 +01:00
|
|
|
delta = lowpart_subreg (mode, delta, comp_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
delta = simplify_gen_binary (UMOD, mode, delta, step);
|
|
|
|
may_xform = const0_rtx;
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
may_not_xform = const_true_rtx;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2009-06-22 12:29:13 +02:00
|
|
|
if (CONST_INT_P (delta))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
if (was_sharp && INTVAL (delta) == INTVAL (step) - 1)
|
|
|
|
{
|
|
|
|
/* A special case. We have transformed condition of type
|
|
|
|
for (i = 0; i < 4; i += 4)
|
|
|
|
into
|
|
|
|
for (i = 0; i <= 3; i += 4)
|
|
|
|
obviously if the test for overflow during that transformation
|
|
|
|
passed, we cannot overflow here. Most importantly any
|
|
|
|
loop with sharp end condition and step 1 falls into this
|
c-decl.c, [...]: Fix comment typos and formatting.
* c-decl.c, c-ppoutput.c, combine.c, cppfiles.c, dwarf2out.c,
expr.c, fold-const.c, gcc.c, haifa-sched.c, loop-iv.c,
params.def, read-rtl.c, rtl.c, rtlanal.c, toplev.c: Fix
comment typos and formatting. Follow spelling conventions.
From-SVN: r78555
2004-02-27 08:09:43 +01:00
|
|
|
category, so handling this case specially is definitely
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
worth the troubles. */
|
|
|
|
may_xform = const_true_rtx;
|
|
|
|
}
|
|
|
|
else if (iv0.step == const0_rtx)
|
|
|
|
{
|
|
|
|
bound = simplify_gen_binary (PLUS, comp_mode, mmin, step);
|
|
|
|
bound = simplify_gen_binary (MINUS, comp_mode, bound, delta);
|
2009-02-21 17:48:05 +01:00
|
|
|
bound = lowpart_subreg (mode, bound, comp_mode);
|
|
|
|
tmp = lowpart_subreg (mode, iv0.base, comp_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
may_xform = simplify_gen_relational (cond, SImode, mode,
|
|
|
|
bound, tmp);
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
may_not_xform = simplify_gen_relational (reverse_condition (cond),
|
|
|
|
SImode, mode,
|
|
|
|
bound, tmp);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
bound = simplify_gen_binary (MINUS, comp_mode, mmax, step);
|
|
|
|
bound = simplify_gen_binary (PLUS, comp_mode, bound, delta);
|
2009-02-21 17:48:05 +01:00
|
|
|
bound = lowpart_subreg (mode, bound, comp_mode);
|
|
|
|
tmp = lowpart_subreg (mode, iv1.base, comp_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
may_xform = simplify_gen_relational (cond, SImode, mode,
|
|
|
|
tmp, bound);
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
may_not_xform = simplify_gen_relational (reverse_condition (cond),
|
|
|
|
SImode, mode,
|
|
|
|
tmp, bound);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (may_xform != const0_rtx)
|
|
|
|
{
|
|
|
|
/* We perform the transformation always provided that it is not
|
|
|
|
completely senseless. This is OK, as we would need this assumption
|
|
|
|
to determine the number of iterations anyway. */
|
|
|
|
if (may_xform != const_true_rtx)
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
{
|
|
|
|
/* If the step is a power of two and the final value we have
|
|
|
|
computed overflows, the cycle is infinite. Otherwise it
|
|
|
|
is nontrivial to compute the number of iterations. */
|
2004-12-18 21:14:24 +01:00
|
|
|
if (step_is_pow2)
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
desc->infinite = alloc_EXPR_LIST (0, may_not_xform,
|
|
|
|
desc->infinite);
|
|
|
|
else
|
|
|
|
desc->assumptions = alloc_EXPR_LIST (0, may_xform,
|
|
|
|
desc->assumptions);
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
/* We are going to lose some information about upper bound on
|
|
|
|
number of iterations in this step, so record the information
|
|
|
|
here. */
|
|
|
|
inc = INTVAL (iv0.step) - INTVAL (iv1.step);
|
2009-06-22 12:29:13 +02:00
|
|
|
if (CONST_INT_P (iv1.base))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
up = INTVAL (iv1.base);
|
|
|
|
else
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
up = INTVAL (mode_mmax) - inc;
|
2009-06-22 12:29:13 +02:00
|
|
|
down = INTVAL (CONST_INT_P (iv0.base)
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
? iv0.base
|
|
|
|
: mode_mmin);
|
2014-11-20 17:36:14 +01:00
|
|
|
max = (uint64_t) (up - down) / inc + 1;
|
2012-10-20 16:19:12 +02:00
|
|
|
if (!desc->infinite
|
|
|
|
&& !desc->assumptions)
|
2014-05-06 18:25:05 +02:00
|
|
|
record_niter_bound (loop, max, false, true);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
if (iv0.step == const0_rtx)
|
|
|
|
{
|
|
|
|
iv0.base = simplify_gen_binary (PLUS, comp_mode, iv0.base, delta);
|
|
|
|
iv0.base = simplify_gen_binary (MINUS, comp_mode, iv0.base, step);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
iv1.base = simplify_gen_binary (MINUS, comp_mode, iv1.base, delta);
|
|
|
|
iv1.base = simplify_gen_binary (PLUS, comp_mode, iv1.base, step);
|
|
|
|
}
|
|
|
|
|
2009-02-21 17:48:05 +01:00
|
|
|
tmp0 = lowpart_subreg (mode, iv0.base, comp_mode);
|
|
|
|
tmp1 = lowpart_subreg (mode, iv1.base, comp_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
assumption = simplify_gen_relational (reverse_condition (cond),
|
|
|
|
SImode, mode, tmp0, tmp1);
|
|
|
|
if (assumption == const_true_rtx)
|
2005-05-06 22:24:00 +02:00
|
|
|
goto zero_iter_simplify;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
else if (assumption != const0_rtx)
|
|
|
|
desc->noloop_assumptions =
|
|
|
|
alloc_EXPR_LIST (0, assumption, desc->noloop_assumptions);
|
|
|
|
cond = NE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Count the number of iterations. */
|
|
|
|
if (cond == NE)
|
|
|
|
{
|
|
|
|
/* Everything we do here is just arithmetics modulo size of mode. This
|
|
|
|
makes us able to do more involved computations of number of iterations
|
|
|
|
than in other cases. First transform the condition into shape
|
|
|
|
s * i <> c, with s positive. */
|
|
|
|
iv1.base = simplify_gen_binary (MINUS, comp_mode, iv1.base, iv0.base);
|
|
|
|
iv0.base = const0_rtx;
|
|
|
|
iv0.step = simplify_gen_binary (MINUS, comp_mode, iv0.step, iv1.step);
|
|
|
|
iv1.step = const0_rtx;
|
|
|
|
if (INTVAL (iv0.step) < 0)
|
|
|
|
{
|
2014-05-06 18:25:05 +02:00
|
|
|
iv0.step = simplify_gen_unary (NEG, comp_mode, iv0.step, comp_mode);
|
|
|
|
iv1.base = simplify_gen_unary (NEG, comp_mode, iv1.base, comp_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
2009-02-21 17:48:05 +01:00
|
|
|
iv0.step = lowpart_subreg (mode, iv0.step, comp_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
/* Let nsd (s, size of mode) = d. If d does not divide c, the loop
|
|
|
|
is infinite. Otherwise, the number of iterations is
|
|
|
|
(inverse(s/d) * (c/d)) mod (size of mode/d). */
|
|
|
|
s = INTVAL (iv0.step); d = 1;
|
|
|
|
while (s % 2 != 1)
|
|
|
|
{
|
|
|
|
s /= 2;
|
|
|
|
d *= 2;
|
|
|
|
size--;
|
|
|
|
}
|
system.h: Define __STDC_FORMAT_MACROS before including inttypes.h.
2014-05-23 Richard Biener <rguenther@suse.de>
* system.h: Define __STDC_FORMAT_MACROS before
including inttypes.h.
* hwint.h (HOST_WIDEST_INT, HOST_BITS_PER_WIDEST_INT,
HOST_WIDEST_INT_PRINT, HOST_WIDEST_INT_PRINT_DEC,
HOST_WIDEST_INT_PRINT_DEC_C, HOST_WIDEST_INT_PRINT_UNSIGNED,
HOST_WIDEST_INT_PRINT_HEX, HOST_WIDEST_INT_PRINT_DOUBLE_HEX,
HOST_WIDEST_INT_C): Remove.
(PRId64, PRIi64, PRIo64, PRIu64, PRIx64, PRIX64): Define
if C99 inttypes.h is not available.
* coretypes.h (gcov_type, gcov_type_unsigned): Use [u]int64_t.
* gcov-io.h (gcov_type, gcov_type_unsigned): Likewise.
* gcov-io.c (gcov_histo_index): Drop non-64bit hwi case.
* cfgloop.h (struct niter_desc): Use uint64_t for niter field.
* bitmap.c (struct bitmap_descriptor_d): Use uint64_t for counters.
(struct output_info): Likewise.
(print_statistics): Adjust.
(dump_bitmap_statistics): Likewise.
* bt-load.c (migrate_btr_defs): Print with PRId64.
* cfg.c (dump_edge_info, dump_bb_info): Likewise.
(MAX_SAFE_MULTIPLIER): Adjust.
* cfghooks.c (dump_bb_for_graph): Print with PRId64.
* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee,
dump_cgraph_node): Likewise.
* final.c (dump_basic_block_info): Likewise.
* gcov-dump.c (tag_counters, tag_summary, dump_working_sets): Likewise.
* gcov.c (format_gcov): Likewise.
* ipa-cp.c (good_cloning_opportunity_p): Likewise. Use int64_t
for calculation.
(get_clone_agg_value): Use HOST_WIDE_INT for offset.
* ipa-inline.c (compute_max_insns): Use int64_t for calcuation.
(inline_small_functions, dump_overall_stats, dump_inline_stats):
Use PRId64 for dumping.
* ipa-profile.c (dump_histogram, ipa_profile): Likewise.
* ira-color.c (struct allocno_hard_regs): Use int64_t for cost.
(add_allocno_hard_regs): Adjust.
* loop-doloop.c (doloop_modify): Print using PRId64.
* loop-iv.c (inverse): Compute in uint64_t.
(determine_max_iter, iv_number_of_iterations): Likewise.
* loop-unroll.c (decide_peel_completely, decide_peel_simple):
Print using PRId64.
* lto-streamer-out.c (write_symbol): Use uint64_t.
* mcf.c (CAP_INFINITY): Use int64_t maximum.
(dump_fixup_edge, create_fixup_graph, cancel_negative_cycle,
find_max_flow, adjust_cfg_counts): Use int64_t and dump with PRId64.
* modulo-sched.c (const_iteration_count): Use int64_t.
(sms_schedule): Dump using PRId64.
* predict.c (dump_prediction): Likewise.
* pretty-print.h (pp_widest_integer): Remove.
* profile.c (get_working_sets, is_edge_inconsistent,
is_inconsistent, read_profile_edge_counts): Dump using PRId64.
* tree-pretty-print.c (pp_double_int): Remove case handling
HOST_BITS_PER_DOUBLE_INT == HOST_BITS_PER_WIDEST_INT.
* tree-ssa-math-opts.c (struct symbolic_number): Use uint64_t
and adjust users.
(pass_optimize_bswap::execute): Remove restriction on hosts.
* tree-streamer-in.c (streamer_alloc_tree): Use HOST_WIDE_INT.
* tree-streamer-out.c (streamer_write_tree_header): Likewise.
* tree.c (widest_int_cst_value): Remove.
* tree.h (widest_int_cst_value): Likewise.
* value-prof.c (dump_histogram_value): Print using PRId64.
* gengtype.c (main): Also inject int64_t.
* ggc-page.c (struct max_alignment): Use int64_t.
* alloc-pool.c (struct allocation_object_def): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Use uint64_t
for computation.
* doc/tm.texi.in: Remove reference to HOST_WIDEST_INT.
* doc/tm.texi: Regenerated.
* gengtype-lex.l (IWORD): Handle [u]int64_t.
* config/sh/sh.c (expand_cbranchdi4): Use gcov_type.
* config/mmix/mmix-protos.h (mmix_intval, mmix_shiftable_wyde_value,
mmix_output_register_setting): Use [u]int64_t in prototypes.
* config/mmix/mmix.c (mmix_print_operand, mmix_output_register_setting,
mmix_shiftable_wyde_value, mmix_output_shiftvalue_op_from_str,
mmix_output_octa, mmix_output_shifted_value): Adjust.
(mmix_intval): Adjust. Remove unreachable case.
* config/mmix/mmix.md (*nonlocal_goto_receiver_expanded): Use
int64_t.
lto/
* lto.c (lto_parse_hex): Use int64_t.
(lto_resolution_read): Likewise.
From-SVN: r210931
2014-05-26 12:42:43 +02:00
|
|
|
bound = GEN_INT (((uint64_t) 1 << (size - 1 ) << 1) - 1);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2009-02-21 17:48:05 +01:00
|
|
|
tmp1 = lowpart_subreg (mode, iv1.base, comp_mode);
|
2013-09-09 15:07:02 +02:00
|
|
|
tmp = simplify_gen_binary (UMOD, mode, tmp1, gen_int_mode (d, mode));
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
assumption = simplify_gen_relational (NE, SImode, mode, tmp, const0_rtx);
|
|
|
|
desc->infinite = alloc_EXPR_LIST (0, assumption, desc->infinite);
|
|
|
|
|
2013-09-09 15:07:02 +02:00
|
|
|
tmp = simplify_gen_binary (UDIV, mode, tmp1, gen_int_mode (d, mode));
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
inv = inverse (s, size);
|
2005-03-05 18:25:33 +01:00
|
|
|
tmp = simplify_gen_binary (MULT, mode, tmp, gen_int_mode (inv, mode));
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
desc->niter_expr = simplify_gen_binary (AND, mode, tmp, bound);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (iv1.step == const0_rtx)
|
|
|
|
/* Condition in shape a + s * i <= b
|
|
|
|
We must know that b + s does not overflow and a <= b + s and then we
|
|
|
|
can compute number of iterations as (b + s - a) / s. (It might
|
|
|
|
seem that we in fact could be more clever about testing the b + s
|
|
|
|
overflow condition using some information about b - a mod s,
|
|
|
|
but it was already taken into account during LE -> NE transform). */
|
|
|
|
{
|
|
|
|
step = iv0.step;
|
2009-02-21 17:48:05 +01:00
|
|
|
tmp0 = lowpart_subreg (mode, iv0.base, comp_mode);
|
|
|
|
tmp1 = lowpart_subreg (mode, iv1.base, comp_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
Multiple fixes: PRs 14692, 15274 and 15463
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
2004-05-19 19:53:45 +02:00
|
|
|
bound = simplify_gen_binary (MINUS, mode, mode_mmax,
|
2009-02-21 17:48:05 +01:00
|
|
|
lowpart_subreg (mode, step,
|
|
|
|
comp_mode));
|
2004-12-18 21:14:24 +01:00
|
|
|
if (step_is_pow2)
|
|
|
|
{
|
|
|
|
rtx t0, t1;
|
|
|
|
|
|
|
|
/* If s is power of 2, we know that the loop is infinite if
|
|
|
|
a % s <= b % s and b + s overflows. */
|
|
|
|
assumption = simplify_gen_relational (reverse_condition (cond),
|
|
|
|
SImode, mode,
|
|
|
|
tmp1, bound);
|
|
|
|
|
|
|
|
t0 = simplify_gen_binary (UMOD, mode, copy_rtx (tmp0), step);
|
|
|
|
t1 = simplify_gen_binary (UMOD, mode, copy_rtx (tmp1), step);
|
|
|
|
tmp = simplify_gen_relational (cond, SImode, mode, t0, t1);
|
|
|
|
assumption = simplify_gen_binary (AND, SImode, assumption, tmp);
|
|
|
|
desc->infinite =
|
|
|
|
alloc_EXPR_LIST (0, assumption, desc->infinite);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assumption = simplify_gen_relational (cond, SImode, mode,
|
|
|
|
tmp1, bound);
|
|
|
|
desc->assumptions =
|
|
|
|
alloc_EXPR_LIST (0, assumption, desc->assumptions);
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
tmp = simplify_gen_binary (PLUS, comp_mode, iv1.base, iv0.step);
|
2009-02-21 17:48:05 +01:00
|
|
|
tmp = lowpart_subreg (mode, tmp, comp_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
assumption = simplify_gen_relational (reverse_condition (cond),
|
|
|
|
SImode, mode, tmp0, tmp);
|
|
|
|
|
|
|
|
delta = simplify_gen_binary (PLUS, mode, tmp1, step);
|
|
|
|
delta = simplify_gen_binary (MINUS, mode, delta, tmp0);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* Condition in shape a <= b - s * i
|
|
|
|
We must know that a - s does not overflow and a - s <= b and then
|
|
|
|
we can again compute number of iterations as (b - (a - s)) / s. */
|
|
|
|
step = simplify_gen_unary (NEG, mode, iv1.step, mode);
|
2009-02-21 17:48:05 +01:00
|
|
|
tmp0 = lowpart_subreg (mode, iv0.base, comp_mode);
|
|
|
|
tmp1 = lowpart_subreg (mode, iv1.base, comp_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2005-08-31 19:25:36 +02:00
|
|
|
bound = simplify_gen_binary (PLUS, mode, mode_mmin,
|
2009-02-21 17:48:05 +01:00
|
|
|
lowpart_subreg (mode, step, comp_mode));
|
2004-12-18 21:14:24 +01:00
|
|
|
if (step_is_pow2)
|
|
|
|
{
|
|
|
|
rtx t0, t1;
|
|
|
|
|
|
|
|
/* If s is power of 2, we know that the loop is infinite if
|
|
|
|
a % s <= b % s and a - s overflows. */
|
|
|
|
assumption = simplify_gen_relational (reverse_condition (cond),
|
|
|
|
SImode, mode,
|
|
|
|
bound, tmp0);
|
|
|
|
|
|
|
|
t0 = simplify_gen_binary (UMOD, mode, copy_rtx (tmp0), step);
|
|
|
|
t1 = simplify_gen_binary (UMOD, mode, copy_rtx (tmp1), step);
|
|
|
|
tmp = simplify_gen_relational (cond, SImode, mode, t0, t1);
|
|
|
|
assumption = simplify_gen_binary (AND, SImode, assumption, tmp);
|
|
|
|
desc->infinite =
|
|
|
|
alloc_EXPR_LIST (0, assumption, desc->infinite);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assumption = simplify_gen_relational (cond, SImode, mode,
|
|
|
|
bound, tmp0);
|
|
|
|
desc->assumptions =
|
|
|
|
alloc_EXPR_LIST (0, assumption, desc->assumptions);
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
tmp = simplify_gen_binary (PLUS, comp_mode, iv0.base, iv1.step);
|
2009-02-21 17:48:05 +01:00
|
|
|
tmp = lowpart_subreg (mode, tmp, comp_mode);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
assumption = simplify_gen_relational (reverse_condition (cond),
|
|
|
|
SImode, mode,
|
|
|
|
tmp, tmp1);
|
|
|
|
delta = simplify_gen_binary (MINUS, mode, tmp0, step);
|
|
|
|
delta = simplify_gen_binary (MINUS, mode, tmp1, delta);
|
|
|
|
}
|
|
|
|
if (assumption == const_true_rtx)
|
2005-05-06 22:24:00 +02:00
|
|
|
goto zero_iter_simplify;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
else if (assumption != const0_rtx)
|
|
|
|
desc->noloop_assumptions =
|
|
|
|
alloc_EXPR_LIST (0, assumption, desc->noloop_assumptions);
|
|
|
|
delta = simplify_gen_binary (UDIV, mode, delta, step);
|
|
|
|
desc->niter_expr = delta;
|
|
|
|
}
|
|
|
|
|
2004-07-11 04:52:54 +02:00
|
|
|
old_niter = desc->niter_expr;
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
simplify_using_initial_values (loop, AND, &desc->assumptions);
|
|
|
|
if (desc->assumptions
|
|
|
|
&& XEXP (desc->assumptions, 0) == const0_rtx)
|
|
|
|
goto fail;
|
|
|
|
simplify_using_initial_values (loop, IOR, &desc->noloop_assumptions);
|
|
|
|
simplify_using_initial_values (loop, IOR, &desc->infinite);
|
rtl.def (NIL): Delete.
* rtl.def (NIL): Delete.
* read-rtl.c (read_rtx): Handle (nil) like (define_constants).
Tighten the syntax a little.
* cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
* config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
* config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
* config/i386/predicates.md, config/m32r/m32r.h
* config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
* config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
* config/sparc/sparc.h, doc/tm.texi:
Replace all occurrences of NIL with UNKNOWN.
From-SVN: r86193
2004-08-18 19:05:14 +02:00
|
|
|
simplify_using_initial_values (loop, UNKNOWN, &desc->niter_expr);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
/* Rerun the simplification. Consider code (created by copying loop headers)
|
|
|
|
|
|
|
|
i = 0;
|
|
|
|
|
|
|
|
if (0 < n)
|
|
|
|
{
|
|
|
|
do
|
|
|
|
{
|
|
|
|
i++;
|
|
|
|
} while (i < n);
|
|
|
|
}
|
|
|
|
|
|
|
|
The first pass determines that i = 0, the second pass uses it to eliminate
|
|
|
|
noloop assumption. */
|
|
|
|
|
|
|
|
simplify_using_initial_values (loop, AND, &desc->assumptions);
|
|
|
|
if (desc->assumptions
|
|
|
|
&& XEXP (desc->assumptions, 0) == const0_rtx)
|
|
|
|
goto fail;
|
|
|
|
simplify_using_initial_values (loop, IOR, &desc->noloop_assumptions);
|
|
|
|
simplify_using_initial_values (loop, IOR, &desc->infinite);
|
rtl.def (NIL): Delete.
* rtl.def (NIL): Delete.
* read-rtl.c (read_rtx): Handle (nil) like (define_constants).
Tighten the syntax a little.
* cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
* config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
* config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
* config/i386/predicates.md, config/m32r/m32r.h
* config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
* config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
* config/sparc/sparc.h, doc/tm.texi:
Replace all occurrences of NIL with UNKNOWN.
From-SVN: r86193
2004-08-18 19:05:14 +02:00
|
|
|
simplify_using_initial_values (loop, UNKNOWN, &desc->niter_expr);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2004-03-18 17:42:34 +01:00
|
|
|
if (desc->noloop_assumptions
|
|
|
|
&& XEXP (desc->noloop_assumptions, 0) == const_true_rtx)
|
|
|
|
goto zero_iter;
|
|
|
|
|
2009-06-22 12:29:13 +02:00
|
|
|
if (CONST_INT_P (desc->niter_expr))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
system.h: Define __STDC_FORMAT_MACROS before including inttypes.h.
2014-05-23 Richard Biener <rguenther@suse.de>
* system.h: Define __STDC_FORMAT_MACROS before
including inttypes.h.
* hwint.h (HOST_WIDEST_INT, HOST_BITS_PER_WIDEST_INT,
HOST_WIDEST_INT_PRINT, HOST_WIDEST_INT_PRINT_DEC,
HOST_WIDEST_INT_PRINT_DEC_C, HOST_WIDEST_INT_PRINT_UNSIGNED,
HOST_WIDEST_INT_PRINT_HEX, HOST_WIDEST_INT_PRINT_DOUBLE_HEX,
HOST_WIDEST_INT_C): Remove.
(PRId64, PRIi64, PRIo64, PRIu64, PRIx64, PRIX64): Define
if C99 inttypes.h is not available.
* coretypes.h (gcov_type, gcov_type_unsigned): Use [u]int64_t.
* gcov-io.h (gcov_type, gcov_type_unsigned): Likewise.
* gcov-io.c (gcov_histo_index): Drop non-64bit hwi case.
* cfgloop.h (struct niter_desc): Use uint64_t for niter field.
* bitmap.c (struct bitmap_descriptor_d): Use uint64_t for counters.
(struct output_info): Likewise.
(print_statistics): Adjust.
(dump_bitmap_statistics): Likewise.
* bt-load.c (migrate_btr_defs): Print with PRId64.
* cfg.c (dump_edge_info, dump_bb_info): Likewise.
(MAX_SAFE_MULTIPLIER): Adjust.
* cfghooks.c (dump_bb_for_graph): Print with PRId64.
* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee,
dump_cgraph_node): Likewise.
* final.c (dump_basic_block_info): Likewise.
* gcov-dump.c (tag_counters, tag_summary, dump_working_sets): Likewise.
* gcov.c (format_gcov): Likewise.
* ipa-cp.c (good_cloning_opportunity_p): Likewise. Use int64_t
for calculation.
(get_clone_agg_value): Use HOST_WIDE_INT for offset.
* ipa-inline.c (compute_max_insns): Use int64_t for calcuation.
(inline_small_functions, dump_overall_stats, dump_inline_stats):
Use PRId64 for dumping.
* ipa-profile.c (dump_histogram, ipa_profile): Likewise.
* ira-color.c (struct allocno_hard_regs): Use int64_t for cost.
(add_allocno_hard_regs): Adjust.
* loop-doloop.c (doloop_modify): Print using PRId64.
* loop-iv.c (inverse): Compute in uint64_t.
(determine_max_iter, iv_number_of_iterations): Likewise.
* loop-unroll.c (decide_peel_completely, decide_peel_simple):
Print using PRId64.
* lto-streamer-out.c (write_symbol): Use uint64_t.
* mcf.c (CAP_INFINITY): Use int64_t maximum.
(dump_fixup_edge, create_fixup_graph, cancel_negative_cycle,
find_max_flow, adjust_cfg_counts): Use int64_t and dump with PRId64.
* modulo-sched.c (const_iteration_count): Use int64_t.
(sms_schedule): Dump using PRId64.
* predict.c (dump_prediction): Likewise.
* pretty-print.h (pp_widest_integer): Remove.
* profile.c (get_working_sets, is_edge_inconsistent,
is_inconsistent, read_profile_edge_counts): Dump using PRId64.
* tree-pretty-print.c (pp_double_int): Remove case handling
HOST_BITS_PER_DOUBLE_INT == HOST_BITS_PER_WIDEST_INT.
* tree-ssa-math-opts.c (struct symbolic_number): Use uint64_t
and adjust users.
(pass_optimize_bswap::execute): Remove restriction on hosts.
* tree-streamer-in.c (streamer_alloc_tree): Use HOST_WIDE_INT.
* tree-streamer-out.c (streamer_write_tree_header): Likewise.
* tree.c (widest_int_cst_value): Remove.
* tree.h (widest_int_cst_value): Likewise.
* value-prof.c (dump_histogram_value): Print using PRId64.
* gengtype.c (main): Also inject int64_t.
* ggc-page.c (struct max_alignment): Use int64_t.
* alloc-pool.c (struct allocation_object_def): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Use uint64_t
for computation.
* doc/tm.texi.in: Remove reference to HOST_WIDEST_INT.
* doc/tm.texi: Regenerated.
* gengtype-lex.l (IWORD): Handle [u]int64_t.
* config/sh/sh.c (expand_cbranchdi4): Use gcov_type.
* config/mmix/mmix-protos.h (mmix_intval, mmix_shiftable_wyde_value,
mmix_output_register_setting): Use [u]int64_t in prototypes.
* config/mmix/mmix.c (mmix_print_operand, mmix_output_register_setting,
mmix_shiftable_wyde_value, mmix_output_shiftvalue_op_from_str,
mmix_output_octa, mmix_output_shifted_value): Adjust.
(mmix_intval): Adjust. Remove unreachable case.
* config/mmix/mmix.md (*nonlocal_goto_receiver_expanded): Use
int64_t.
lto/
* lto.c (lto_parse_hex): Use int64_t.
(lto_resolution_read): Likewise.
From-SVN: r210931
2014-05-26 12:42:43 +02:00
|
|
|
uint64_t val = INTVAL (desc->niter_expr);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
desc->const_iter = true;
|
2012-10-08 20:09:41 +02:00
|
|
|
desc->niter = val & GET_MODE_MASK (desc->mode);
|
2012-10-20 16:19:12 +02:00
|
|
|
if (!desc->infinite
|
|
|
|
&& !desc->assumptions)
|
2014-05-06 18:25:05 +02:00
|
|
|
record_niter_bound (loop, desc->niter, false, true);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
2004-07-11 04:52:54 +02:00
|
|
|
else
|
|
|
|
{
|
2012-04-19 10:51:50 +02:00
|
|
|
max = determine_max_iter (loop, desc, old_niter);
|
2013-01-17 17:27:23 +01:00
|
|
|
if (!max)
|
|
|
|
goto zero_iter_simplify;
|
2012-10-20 16:19:12 +02:00
|
|
|
if (!desc->infinite
|
|
|
|
&& !desc->assumptions)
|
2014-05-06 18:25:05 +02:00
|
|
|
record_niter_bound (loop, max, false, true);
|
2004-07-11 04:52:54 +02:00
|
|
|
|
|
|
|
/* simplify_using_initial_values does a copy propagation on the registers
|
|
|
|
in the expression for the number of iterations. This prolongs life
|
|
|
|
ranges of registers and increases register pressure, and usually
|
|
|
|
brings no gain (and if it happens to do, the cse pass will take care
|
|
|
|
of it anyway). So prevent this behavior, unless it enabled us to
|
|
|
|
derive that the number of iterations is a constant. */
|
|
|
|
desc->niter_expr = old_niter;
|
|
|
|
}
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
return;
|
|
|
|
|
2005-05-06 22:24:00 +02:00
|
|
|
zero_iter_simplify:
|
|
|
|
/* Simplify the assumptions. */
|
|
|
|
simplify_using_initial_values (loop, AND, &desc->assumptions);
|
|
|
|
if (desc->assumptions
|
|
|
|
&& XEXP (desc->assumptions, 0) == const0_rtx)
|
|
|
|
goto fail;
|
|
|
|
simplify_using_initial_values (loop, IOR, &desc->infinite);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2005-05-06 22:24:00 +02:00
|
|
|
/* Fallthru. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
zero_iter:
|
|
|
|
desc->const_iter = true;
|
|
|
|
desc->niter = 0;
|
2014-05-06 18:25:05 +02:00
|
|
|
record_niter_bound (loop, 0, true, true);
|
2005-05-06 22:24:00 +02:00
|
|
|
desc->noloop_assumptions = NULL_RTX;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
desc->niter_expr = const0_rtx;
|
|
|
|
return;
|
2005-05-06 22:24:00 +02:00
|
|
|
|
|
|
|
fail:
|
|
|
|
desc->simple_p = false;
|
|
|
|
return;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Checks whether E is a simple exit from LOOP and stores its description
|
cfgloop.h (struct loop_desc): Removed.
* cfgloop.h (struct loop_desc): Removed.
(struct loop): Fields simple, desc and has_desc removed.
(simple_loop_p, count_loop_iterations): Declaration removed.
* cfgloopanal.c (struct unmark_altered_insn_data): Removed.
(unmark_altered, blocks_invariant_registers, unmark_altered_insn
blocks_single_set_registers, invariant_rtx_wrto_regs_p_helper,
invariant_rtx_wrto_regs_p, test_for_iteration, constant_iterations,
simple_loop_exit_p, variable_initial_value, variable_initial_values,
simple_condition_p, simple_increment, count_strange_loop_iterations,
inverse, fits_in_mode_p, simple_loop_p, count_loop_iterations):
Removed.
* loop-iv.c (check_simple_exit, find_simple_exit): Update comments.
From-SVN: r78777
2004-03-02 21:21:14 +01:00
|
|
|
into DESC. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
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|
static void
|
|
|
|
check_simple_exit (struct loop *loop, edge e, struct niter_desc *desc)
|
|
|
|
{
|
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|
basic_block exit_bb;
|
2014-08-26 21:38:42 +02:00
|
|
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rtx condition;
|
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|
rtx_insn *at;
|
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 ein;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
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exit_bb = e->src;
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desc->simple_p = false;
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/* It must belong directly to the loop. */
|
|
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if (exit_bb->loop_father != loop)
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return;
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/* It must be tested (at least) once during any iteration. */
|
2015-01-20 09:29:09 +01:00
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if (!dominated_by_p (CDI_DOMINATORS, loop->latch, exit_bb))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
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|
return;
|
|
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/* It must end in a simple conditional jump. */
|
|
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|
if (!any_condjump_p (BB_END (exit_bb)))
|
|
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|
return;
|
|
|
|
|
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
|
|
|
ein = EDGE_SUCC (exit_bb, 0);
|
|
|
|
if (ein == e)
|
|
|
|
ein = EDGE_SUCC (exit_bb, 1);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
desc->out_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
|
|
|
desc->in_edge = ein;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
/* Test whether the condition is suitable. */
|
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
|
|
|
if (!(condition = get_condition (BB_END (ein->src), &at, false, false)))
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return;
|
|
|
|
|
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
|
|
|
if (ein->flags & EDGE_FALLTHRU)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
condition = reversed_condition (condition);
|
|
|
|
if (!condition)
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check that we are able to determine number of iterations and fill
|
|
|
|
in information about it. */
|
2014-08-26 21:38:42 +02:00
|
|
|
iv_number_of_iterations (loop, at, condition, desc);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
cfgloop.h (struct loop_desc): Removed.
* cfgloop.h (struct loop_desc): Removed.
(struct loop): Fields simple, desc and has_desc removed.
(simple_loop_p, count_loop_iterations): Declaration removed.
* cfgloopanal.c (struct unmark_altered_insn_data): Removed.
(unmark_altered, blocks_invariant_registers, unmark_altered_insn
blocks_single_set_registers, invariant_rtx_wrto_regs_p_helper,
invariant_rtx_wrto_regs_p, test_for_iteration, constant_iterations,
simple_loop_exit_p, variable_initial_value, variable_initial_values,
simple_condition_p, simple_increment, count_strange_loop_iterations,
inverse, fits_in_mode_p, simple_loop_p, count_loop_iterations):
Removed.
* loop-iv.c (check_simple_exit, find_simple_exit): Update comments.
From-SVN: r78777
2004-03-02 21:21:14 +01:00
|
|
|
/* Finds a simple exit of LOOP and stores its description into DESC. */
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
void
|
|
|
|
find_simple_exit (struct loop *loop, struct niter_desc *desc)
|
|
|
|
{
|
|
|
|
unsigned i;
|
|
|
|
basic_block *body;
|
|
|
|
edge e;
|
|
|
|
struct niter_desc act;
|
|
|
|
bool any = false;
|
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;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
|
|
|
desc->simple_p = false;
|
|
|
|
body = get_loop_body (loop);
|
|
|
|
|
|
|
|
for (i = 0; i < loop->num_nodes; i++)
|
|
|
|
{
|
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_EACH_EDGE (e, ei, body[i]->succs)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
if (flow_bb_inside_loop_p (loop, e->dest))
|
|
|
|
continue;
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
check_simple_exit (loop, e, &act);
|
|
|
|
if (!act.simple_p)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (!any)
|
|
|
|
any = true;
|
2005-05-06 22:24:00 +02:00
|
|
|
else
|
|
|
|
{
|
|
|
|
/* Prefer constant iterations; the less the better. */
|
|
|
|
if (!act.const_iter
|
|
|
|
|| (desc->const_iter && act.niter >= desc->niter))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* Also if the actual exit may be infinite, while the old one
|
|
|
|
not, prefer the old one. */
|
|
|
|
if (act.infinite && !desc->infinite)
|
|
|
|
continue;
|
|
|
|
}
|
2009-11-25 11:55:54 +01:00
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
*desc = act;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
if (dump_file)
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
{
|
|
|
|
if (desc->simple_p)
|
|
|
|
{
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
fprintf (dump_file, "Loop %d is simple:\n", loop->num);
|
|
|
|
fprintf (dump_file, " simple exit %d -> %d\n",
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
desc->out_edge->src->index,
|
|
|
|
desc->out_edge->dest->index);
|
|
|
|
if (desc->assumptions)
|
|
|
|
{
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
fprintf (dump_file, " assumptions: ");
|
|
|
|
print_rtl (dump_file, desc->assumptions);
|
|
|
|
fprintf (dump_file, "\n");
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
if (desc->noloop_assumptions)
|
|
|
|
{
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
fprintf (dump_file, " does not roll if: ");
|
|
|
|
print_rtl (dump_file, desc->noloop_assumptions);
|
|
|
|
fprintf (dump_file, "\n");
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
if (desc->infinite)
|
|
|
|
{
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
fprintf (dump_file, " infinite if: ");
|
|
|
|
print_rtl (dump_file, desc->infinite);
|
|
|
|
fprintf (dump_file, "\n");
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
fprintf (dump_file, " number of iterations: ");
|
|
|
|
print_rtl (dump_file, desc->niter_expr);
|
|
|
|
fprintf (dump_file, "\n");
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2012-10-08 20:09:41 +02:00
|
|
|
fprintf (dump_file, " upper bound: %li\n",
|
2013-10-16 17:48:47 +02:00
|
|
|
(long)get_max_loop_iterations_int (loop));
|
2012-10-08 20:09:41 +02:00
|
|
|
fprintf (dump_file, " realistic bound: %li\n",
|
2013-10-16 17:48:47 +02:00
|
|
|
(long)get_estimated_loop_iterations_int (loop));
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
else
|
toplev.c (dump_file_tbl): Rename from dump_file.
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
2004-02-25 00:40:03 +01:00
|
|
|
fprintf (dump_file, "Loop %d is not simple.\n", loop->num);
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
free (body);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Creates a simple loop description of LOOP if it was not computed
|
|
|
|
already. */
|
|
|
|
|
|
|
|
struct niter_desc *
|
|
|
|
get_simple_loop_desc (struct loop *loop)
|
|
|
|
{
|
|
|
|
struct niter_desc *desc = simple_loop_desc (loop);
|
|
|
|
|
|
|
|
if (desc)
|
|
|
|
return desc;
|
|
|
|
|
2009-03-05 00:22:22 +01:00
|
|
|
/* At least desc->infinite is not always initialized by
|
|
|
|
find_simple_loop_exit. */
|
2014-05-18 01:07:23 +02:00
|
|
|
desc = ggc_cleared_alloc<niter_desc> ();
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
iv_analysis_loop_init (loop);
|
|
|
|
find_simple_exit (loop, desc);
|
2013-04-17 14:01:46 +02:00
|
|
|
loop->simple_loop_desc = desc;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
|
2005-07-21 09:24:34 +02:00
|
|
|
if (desc->simple_p && (desc->assumptions || desc->infinite))
|
|
|
|
{
|
2009-11-25 11:55:54 +01:00
|
|
|
const char *wording;
|
2005-07-21 09:24:34 +02:00
|
|
|
|
2009-11-25 11:55:54 +01:00
|
|
|
/* Assume that no overflow happens and that the loop is finite.
|
2005-07-21 09:24:34 +02:00
|
|
|
We already warned at the tree level if we ran optimizations there. */
|
|
|
|
if (!flag_tree_loop_optimize && warn_unsafe_loop_optimizations)
|
|
|
|
{
|
|
|
|
if (desc->infinite)
|
|
|
|
{
|
2009-11-25 11:55:54 +01:00
|
|
|
wording =
|
2005-07-21 09:24:34 +02:00
|
|
|
flag_unsafe_loop_optimizations
|
|
|
|
? N_("assuming that the loop is not infinite")
|
|
|
|
: N_("cannot optimize possibly infinite loops");
|
|
|
|
warning (OPT_Wunsafe_loop_optimizations, "%s",
|
|
|
|
gettext (wording));
|
|
|
|
}
|
|
|
|
if (desc->assumptions)
|
|
|
|
{
|
2009-11-25 11:55:54 +01:00
|
|
|
wording =
|
2005-07-21 09:24:34 +02:00
|
|
|
flag_unsafe_loop_optimizations
|
|
|
|
? N_("assuming that the loop counter does not overflow")
|
|
|
|
: N_("cannot optimize loop, the loop counter may overflow");
|
|
|
|
warning (OPT_Wunsafe_loop_optimizations, "%s",
|
|
|
|
gettext (wording));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (flag_unsafe_loop_optimizations)
|
|
|
|
{
|
|
|
|
desc->assumptions = NULL_RTX;
|
|
|
|
desc->infinite = NULL_RTX;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
return desc;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Releases simple loop description for LOOP. */
|
|
|
|
|
|
|
|
void
|
|
|
|
free_simple_loop_desc (struct loop *loop)
|
|
|
|
{
|
|
|
|
struct niter_desc *desc = simple_loop_desc (loop);
|
|
|
|
|
|
|
|
if (!desc)
|
|
|
|
return;
|
|
|
|
|
2013-04-17 14:01:46 +02:00
|
|
|
ggc_free (desc);
|
|
|
|
loop->simple_loop_desc = NULL;
|
loop-iv.c: New file.
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
2004-02-17 17:41:44 +01:00
|
|
|
}
|