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| author | Geoffrey Keating <geoffk@apple.com> | 2004-08-10 17:57:41 +0000 |
|---|---|---|
| committer | Geoffrey Keating <geoffk@gcc.gnu.org> | 2004-08-10 17:57:41 +0000 |
| commit | b2ddaebb2d8528b8f53a6546ed8988057771b832 (patch) | |
| tree | 132f1fda22ad4f091c1f4f6778702f52601619d6 /gcc | |
| parent | 236573882e12373869637236ccf6eb93ecfeec7e (diff) | |
| download | gcc-b2ddaebb2d8528b8f53a6546ed8988057771b832.zip gcc-b2ddaebb2d8528b8f53a6546ed8988057771b832.tar.gz gcc-b2ddaebb2d8528b8f53a6546ed8988057771b832.tar.bz2 | |
tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the hash function.
* tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
hash function.
From-SVN: r85760
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-vn.c | 15 |
2 files changed, 17 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3a28b7c..6db90d9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-08-10 Geoffrey Keating <geoffk@apple.com> + + * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the + hash function. + 2004-08-10 Roger Sayle <roger@eyesopen.com> * config/mips/mips.md: New reciprocal square root patterns that diff --git a/gcc/tree-vn.c b/gcc/tree-vn.c index b686af2..061a7ac 100644 --- a/gcc/tree-vn.c +++ b/gcc/tree-vn.c @@ -151,11 +151,20 @@ val_expr_pair_expr_eq (const void *p1, const void *p2) { const val_expr_pair_t ve1 = (val_expr_pair_t) p1; const val_expr_pair_t ve2 = (val_expr_pair_t) p2; + size_t i; - if (expressions_equal_p (ve1->e, ve2->e)) - return true; + if (! expressions_equal_p (ve1->e, ve2->e)) + return false; + + if (NUM_VUSES (ve1->vuses) != NUM_VUSES (ve2->vuses)) + return false; - return false; + for (i = 0; i < NUM_VUSES (ve1->vuses); i++) + if (! expressions_equal_p (VUSE_OP (ve1->vuses, i), + VUSE_OP (ve2->vuses, i))) + return false; + + return true; } |