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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-05-04 11:01:59 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-05-04 11:01:59 +0000 |
| commit | 97d4c6a6f9fc5abb5e0751c9aec6e939b849bdbe (patch) | |
| tree | 3a84137139d5fdc5a1aede4370b9facfe6b5a883 /gcc/builtins.c | |
| parent | e983a0280fa7ddda962a7179ea85bd3b01fa1df5 (diff) | |
| download | ppe42-gcc-97d4c6a6f9fc5abb5e0751c9aec6e939b849bdbe.tar.gz ppe42-gcc-97d4c6a6f9fc5abb5e0751c9aec6e939b849bdbe.zip | |
2009-05-04 Richard Guenther <rguenther@suse.de>
PR middle-end/40015
* builtins.c (fold_builtin_memory_op): Do not decay to element
type if the size matches the whole array.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@147094 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index e3c91dc635b..0436229fa81 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -8970,7 +8970,8 @@ fold_builtin_memory_op (tree dest, tree src, tree len, tree type, bool ignore, i } srctype = TREE_TYPE (TREE_TYPE (src)); if (srctype - && TREE_CODE (srctype) == ARRAY_TYPE) + && TREE_CODE (srctype) == ARRAY_TYPE + && !tree_int_cst_equal (TYPE_SIZE_UNIT (srctype), len)) { srctype = TREE_TYPE (srctype); STRIP_NOPS (src); @@ -8978,7 +8979,8 @@ fold_builtin_memory_op (tree dest, tree src, tree len, tree type, bool ignore, i } desttype = TREE_TYPE (TREE_TYPE (dest)); if (desttype - && TREE_CODE (desttype) == ARRAY_TYPE) + && TREE_CODE (desttype) == ARRAY_TYPE + && !tree_int_cst_equal (TYPE_SIZE_UNIT (desttype), len)) { desttype = TREE_TYPE (desttype); STRIP_NOPS (dest); |
