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| author | Trevor Saunders <tsaunders@mozilla.com> | 2014-01-15 21:57:25 -0500 |
|---|---|---|
| committer | Trevor Saunders <tsaunders@mozilla.com> | 2014-02-18 22:44:42 -0500 |
| commit | 86f81023cfb01a4fe64eac617ccbde33da7cff5c (patch) | |
| tree | 6506d4e70282087223d4739c39b5bfe625ad548c | |
| parent | 19858081cb2ea7b61a7a8196e7bc167ef4f4bbfd (diff) | |
| download | gcc-86f81023cfb01a4fe64eac617ccbde33da7cff5c.tar.gz | |
ipa-inline-analysis.c move bitmap to stack
| -rw-r--r-- | gcc/ipa-inline-analysis.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/gcc/ipa-inline-analysis.c b/gcc/ipa-inline-analysis.c index e2c9566e529..0fed17d4651 100644 --- a/gcc/ipa-inline-analysis.c +++ b/gcc/ipa-inline-analysis.c @@ -2061,7 +2061,9 @@ will_be_nonconstant_predicate (struct ipa_node_params *info, struct record_modified_bb_info { - bitmap bb_set; + record_modified_bb_info (gimple stmt) : stmt (stmt) {} + + bitmap_head bb_set; gimple stmt; }; @@ -2078,7 +2080,7 @@ record_modified (ao_ref *ao ATTRIBUTE_UNUSED, tree vdef, void *data) int index = SSA_NAME_IS_DEFAULT_DEF (vdef) ? ENTRY_BLOCK_PTR_FOR_FN (cfun)->index : gimple_bb (SSA_NAME_DEF_STMT (vdef))->index; - info->bb_set->set_bit (index); + info->bb_set.set_bit (index); return false; } @@ -2130,7 +2132,6 @@ param_change_prob (gimple stmt, int i) { ao_ref refd; int max; - struct record_modified_bb_info info; bitmap_iterator bi; unsigned index; tree init = ctor_for_folding (base); @@ -2140,15 +2141,11 @@ param_change_prob (gimple stmt, int i) if (!bb->frequency) return REG_BR_PROB_BASE; ao_ref_init (&refd, op); - info.stmt = stmt; - info.bb_set = BITMAP_ALLOC (NULL); + struct record_modified_bb_info info (stmt); walk_aliased_vdefs (&refd, gimple_vuse (stmt), record_modified, &info, NULL); - if (info.bb_set->bit (bb->index)) - { - BITMAP_FREE (info.bb_set); - return REG_BR_PROB_BASE; - } + if (info.bb_set.bit (bb->index)) + return REG_BR_PROB_BASE; /* Assume that every memory is initialized at entry. TODO: Can we easilly determine if value is always defined @@ -2158,10 +2155,9 @@ param_change_prob (gimple stmt, int i) else max = 1; - EXECUTE_IF_SET_IN_BITMAP (info.bb_set, 0, index, bi) + EXECUTE_IF_SET_IN_BITMAP (&info.bb_set, 0, index, bi) max = MIN (max, BASIC_BLOCK_FOR_FN (cfun, index)->frequency); - BITMAP_FREE (info.bb_set); if (max < bb->frequency) return MAX (GCOV_COMPUTE_SCALE (max, bb->frequency), 1); else |