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| 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/global.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/global.c')
| -rw-r--r-- | gcc/global.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/global.c b/gcc/global.c index de6beb9..8be113d 100644 --- a/gcc/global.c +++ b/gcc/global.c @@ -404,6 +404,7 @@ global_alloc (void) allocno[i].reg = regno; allocno[i].size = PSEUDO_REGNO_SIZE (regno); allocno[i].calls_crossed += REG_N_CALLS_CROSSED (regno); + allocno[i].freq_calls_crossed += REG_FREQ_CALLS_CROSSED (regno); allocno[i].throwing_calls_crossed += REG_N_THROWING_CALLS_CROSSED (regno); allocno[i].n_refs += REG_N_REFS (regno); @@ -1164,8 +1165,9 @@ find_reg (int num, HARD_REG_SET losers, int alt_regs_p, int accept_call_clobbere if (! accept_call_clobbered && allocno[num].calls_crossed != 0 && allocno[num].throwing_calls_crossed == 0 - && CALLER_SAVE_PROFITABLE (allocno[num].n_refs, - allocno[num].calls_crossed)) + && CALLER_SAVE_PROFITABLE (optimize_size ? allocno[num].n_refs : allocno[num].freq, + optimize_size ? allocno[num].calls_crossed + : allocno[num].freq_calls_crossed)) { HARD_REG_SET new_losers; if (! losers) |