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| author | Richard Biener <rguenther@suse.de> | 2013-05-17 12:47:45 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2013-05-17 12:47:45 +0000 |
| commit | 2a293391eca5ddea7bc6debb411a605b7cc1ee52 (patch) | |
| tree | 42aa9a0ea601c283de3b834b54082065297be32e /gcc | |
| parent | 38050e90baff4f1974ff35d77f34a4ee0efb7478 (diff) | |
| download | gcc-2a293391eca5ddea7bc6debb411a605b7cc1ee52.zip gcc-2a293391eca5ddea7bc6debb411a605b7cc1ee52.tar.gz gcc-2a293391eca5ddea7bc6debb411a605b7cc1ee52.tar.bz2 | |
tree-ssa-alias.c (stmt_kills_ref_p_1): Properly compare MEM_REF offsets.
2013-05-17 Richard Biener <rguenther@suse.de>
* tree-ssa-alias.c (stmt_kills_ref_p_1): Properly compare
MEM_REF offsets.
From-SVN: r199014
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-alias.c | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 810fa4a..4caa402 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2013-05-17 Richard Biener <rguenther@suse.de> + + * tree-ssa-alias.c (stmt_kills_ref_p_1): Properly compare + MEM_REF offsets. + 2013-05-17 Jakub Jelinek <jakub@redhat.com> * gcc.c (SANITIZER_SPEC): Reject -fsanitize=address -fsanitize=thread diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 971a347..2ecd139 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -2002,8 +2002,8 @@ stmt_kills_ref_p_1 (gimple stmt, ao_ref *ref) if (TREE_CODE (base) == MEM_REF && TREE_CODE (ref->base) == MEM_REF && TREE_OPERAND (base, 0) == TREE_OPERAND (ref->base, 0)) { - if (!tree_int_cst_equal (TREE_OPERAND (base, 0), - TREE_OPERAND (ref->base, 0))) + if (!tree_int_cst_equal (TREE_OPERAND (base, 1), + TREE_OPERAND (ref->base, 1))) { double_int off1 = mem_ref_offset (base); off1 = off1.lshift (BITS_PER_UNIT == 8 |