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| author | nathan <nathan@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-02 09:56:12 +0000 |
|---|---|---|
| committer | nathan <nathan@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-02 09:56:12 +0000 |
| commit | 215768315efa12277535db11b94e39cdea0d981a (patch) | |
| tree | 01db73d0a68c2e2de0213a73d4f7c8d2b5d8ce66 /gcc/ifcvt.c | |
| parent | 54a7017338e5eff45cd4e4e8927f8398def98fa8 (diff) | |
| download | gcc-215768315efa12277535db11b94e39cdea0d981a.tar.gz | |
* bitmap.h (bitmap_equal_p): Return bool.
(bitmap_intersect_p, bitmap_intersect_compl_p): Declare.
* bitmap.c (bitmap_equal_p): Return bool. Compare directly.
(bitmap_intersect_p, bitmap_intersect_compl_p): New.
* flow.c (calculate_global_regs_live): Use bitmap_intersect_p and
bitmap_intersect_compl_p.
* ifcvt (dead_or_predicable): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89981 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ifcvt.c')
| -rw-r--r-- | gcc/ifcvt.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 72bb3930062..a033f356aa2 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -3217,13 +3217,9 @@ dead_or_predicable (basic_block test_bb, basic_block merge_bb, TEST_SET & merge_bb->global_live_at_start are empty. */ - bitmap_ior (tmp, test_set, test_live); - bitmap_and_into (tmp, merge_set); - if (!bitmap_empty_p (tmp)) - fail = 1; - - bitmap_and (tmp, test_set, merge_bb->global_live_at_start); - if (!bitmap_empty_p (tmp)) + if (bitmap_intersect_p (test_set, merge_set) + || bitmap_intersect_p (test_live, merge_set) + || bitmap_intersect_p (test_set, merge_bb->global_live_at_start)) fail = 1; FREE_REG_SET (tmp); |