diff options
author | Steven Bosscher <steven@gcc.gnu.org> | 2012-10-08 15:33:58 +0000 |
---|---|---|
committer | Steven Bosscher <steven@gcc.gnu.org> | 2012-10-08 15:33:58 +0000 |
commit | 7b19209f2934c0ac28445ff2032747552a390f2f (patch) | |
tree | dc4fd0ce62886f374accbfc584455a9e48228637 /gcc/ree.c | |
parent | 76cee070fd46483d818ffee61b7ec12be062afda (diff) | |
download | gcc-7b19209f2934c0ac28445ff2032747552a390f2f.zip gcc-7b19209f2934c0ac28445ff2032747552a390f2f.tar.gz gcc-7b19209f2934c0ac28445ff2032747552a390f2f.tar.bz2 |
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
Diffstat (limited to 'gcc/ree.c')
-rw-r--r-- | gcc/ree.c | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -868,6 +868,7 @@ find_and_remove_re (void) /* Construct DU chain to get all reaching definitions of each extension instruction. */ + df_set_flags (DF_RD_PRUNE_DEAD_DEFS); df_chain_add_problem (DF_UD_CHAIN + DF_DU_CHAIN); df_analyze (); df_set_flags (DF_DEFER_INSN_RESCAN); |