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| author | Jakub Jelinek <jakub@redhat.com> | 2016-03-09 21:05:40 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-03-09 21:05:40 +0100 |
| commit | 2bd8090ff56fdf1ca9ed76a9668a30f4e7d8f949 (patch) | |
| tree | f35508be294e118a3e7415d51eb9fb7035a843fa /gcc/fold-const.c | |
| parent | 96b3c82df1fffef2f30045d571589be8d866aaf4 (diff) | |
| download | gcc-2bd8090ff56fdf1ca9ed76a9668a30f4e7d8f949.zip gcc-2bd8090ff56fdf1ca9ed76a9668a30f4e7d8f949.tar.gz gcc-2bd8090ff56fdf1ca9ed76a9668a30f4e7d8f949.tar.bz2 | |
re PR middle-end/70127 (wrong code on x86_64-linux-gnu at -O3 in 32-bit and 64-bit modes)
PR tree-optimization/70127
* fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
* gcc.c-torture/execute/pr70127.c: New test.
From-SVN: r234090
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 21241db..696b4a6 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -3032,6 +3032,9 @@ operand_equal_p (const_tree arg0, const_tree arg1, unsigned int flags) TYPE_SIZE (TREE_TYPE (arg1)), flags))) return 0; + /* Verify that access happens in similar types. */ + if (!types_compatible_p (TREE_TYPE (arg0), TREE_TYPE (arg1))) + return 0; /* Verify that accesses are TBAA compatible. */ if (!alias_ptr_types_compatible_p (TREE_TYPE (TREE_OPERAND (arg0, 1)), |