diff options
| author | Jan Hubicka <jh@suse.cz> | 2008-01-16 17:32:05 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2008-01-16 16:32:05 +0000 |
| commit | a03c6d64f468ff2aaebcf2a87bb589938264bc38 (patch) | |
| tree | e7a65553b87a99438635f0d5abcf71b9c8210b5c /gcc/regstat.c | |
| parent | 58c0b6524407250f48bb9c616943bf05a1ee6478 (diff) | |
| download | gcc-a03c6d64f468ff2aaebcf2a87bb589938264bc38.zip gcc-a03c6d64f468ff2aaebcf2a87bb589938264bc38.tar.gz gcc-a03c6d64f468ff2aaebcf2a87bb589938264bc38.tar.bz2 | |
re PR rtl-optimization/31396 (Inline code performance much worse than out-of-line)
PR rtl-optimization/31396
* regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
* cfg.c (dump_reg_info): Print it.
* regs.h (struct reg_info_t): add freq_calls_crossed.
(REG_FREQ_CALLS_CROSSED): New macro.
* global.c (global_alloc): Compute freq_calls_crossed for allocno.
(find_reg): Update call of CALLER_SAVE_PROFITABLE.
* regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
regmove_optimize): Update call crossed frequencies.
* local-alloc.c (struct qty): Add freq_calls_crossed.
(alloc_qty): Copute freq_calls_crossed.
(update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
(find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
* ra.h (struct allocno): Add freq_calls_crossed.
From-SVN: r131576
Diffstat (limited to 'gcc/regstat.c')
| -rw-r--r-- | gcc/regstat.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/regstat.c b/gcc/regstat.c index 9f8e41f..26f9607 100644 --- a/gcc/regstat.c +++ b/gcc/regstat.c @@ -180,6 +180,7 @@ regstat_bb_compute_ri (unsigned int bb_index, EXECUTE_IF_SET_IN_BITMAP (live, 0, regno, bi) { REG_N_CALLS_CROSSED (regno)++; + REG_FREQ_CALLS_CROSSED (regno) += REG_FREQ_FROM_BB (bb); if (can_throw) REG_N_THROWING_CALLS_CROSSED (regno)++; @@ -445,7 +446,10 @@ regstat_bb_compute_calls_crossed (unsigned int bb_index, bitmap live) { bitmap_iterator bi; EXECUTE_IF_SET_IN_BITMAP (live, 0, regno, bi) - REG_N_CALLS_CROSSED (regno)++; + { + REG_N_CALLS_CROSSED (regno)++; + REG_FREQ_CALLS_CROSSED (regno) += REG_FREQ_FROM_BB (bb); + } } /* All of the defs except the return value are some sort of |