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authorJan Hubicka <jh@suse.cz>2010-06-04 07:26:56 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2010-06-04 05:26:56 +0000
commitf3cf730bdcfbb8b9132aa3c0d310407815f28c46 (patch)
tree97f0ccbfcfad87fb60e43cfc9f0e1664349b3533
parent95f4cd5829fb78c97758c2b214a5dc884f0af074 (diff)
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tree-into-ssa.c (mark_block_for_update): Avoid redundant call of bitmap_bit_p.
* tree-into-ssa.c (mark_block_for_update): Avoid redundant call of bitmap_bit_p. * cfganal.c (compute_dominance_frontiers_1): Likewise. From-SVN: r160250
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/cfganal.c5
-rw-r--r--gcc/tree-into-ssa.c3
3 files changed, 9 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2ac6fe6..1f36abd 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
2010-06-03 Jan Hubicka <jh@suse.cz>
+ * 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 <jh@suse.cz>
+
* 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 5bb23b7..35749bd 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 a095ffd..1468b9f 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);
}