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| author | Nathan Sidwell <nathan@codesourcery.com> | 2004-11-02 09:56:12 +0000 |
|---|---|---|
| committer | Nathan Sidwell <nathan@gcc.gnu.org> | 2004-11-02 09:56:12 +0000 |
| commit | 55994078b6bc51ae62bd4117c6c335b94336137b (patch) | |
| tree | 01db73d0a68c2e2de0213a73d4f7c8d2b5d8ce66 /gcc/ifcvt.c | |
| parent | f6219a5e9ca08b637e8e397eb33d7a515c9cfe7c (diff) | |
| download | gcc-55994078b6bc51ae62bd4117c6c335b94336137b.zip gcc-55994078b6bc51ae62bd4117c6c335b94336137b.tar.gz gcc-55994078b6bc51ae62bd4117c6c335b94336137b.tar.bz2 | |
bitmap.h (bitmap_equal_p): Return bool.
* 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.
From-SVN: r89981
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 72bb393..a033f35 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); |