From 3919287057ad8bae85a1ba2de502ffd6b3307bcc Mon Sep 17 00:00:00 2001 From: hubicka Date: Fri, 4 Jun 2010 05:26:56 +0000 Subject: [PATCH] * tree-into-ssa.c (mark_block_for_update): Avoid redundant call of bitmap_bit_p. * cfganal.c (compute_dominance_frontiers_1): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160250 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 6 ++++++ gcc/cfganal.c | 5 ++--- gcc/tree-into-ssa.c | 3 +-- 3 files changed, 9 insertions(+), 5 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2ac6fe65ca1..1f36abd3bc9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2010-06-03 Jan Hubicka + * tree-into-ssa.c (mark_block_for_update): Avoid redundant call + of bitmap_bit_p. + * cfganal.c (compute_dominance_frontiers_1): Likewise. + +2010-06-03 Jan Hubicka + * df-problems.c (df_create_unused_note, df_note_bb_compute): micro-optimize the checks when to add new note. diff --git a/gcc/cfganal.c b/gcc/cfganal.c index 5bb23b77adb..35749bd76a2 100644 --- a/gcc/cfganal.c +++ b/gcc/cfganal.c @@ -1275,10 +1275,9 @@ compute_dominance_frontiers_1 (bitmap *frontiers) domsb = get_immediate_dominator (CDI_DOMINATORS, b); while (runner != domsb) { - if (bitmap_bit_p (frontiers[runner->index], b->index)) + if (!bitmap_set_bit (frontiers[runner->index], + b->index)) break; - bitmap_set_bit (frontiers[runner->index], - b->index); runner = get_immediate_dominator (CDI_DOMINATORS, runner); } diff --git a/gcc/tree-into-ssa.c b/gcc/tree-into-ssa.c index a095ffd634d..1468b9f9539 100644 --- a/gcc/tree-into-ssa.c +++ b/gcc/tree-into-ssa.c @@ -452,9 +452,8 @@ static void mark_block_for_update (basic_block bb) { gcc_assert (blocks_to_update != NULL); - if (bitmap_bit_p (blocks_to_update, bb->index)) + if (!bitmap_set_bit (blocks_to_update, bb->index)) return; - bitmap_set_bit (blocks_to_update, bb->index); initialize_flags_in_bb (bb); } -- 2.11.4.GIT