diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/builtins.c | 6 |
2 files changed, 10 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dcc0070..8b4433f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +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. + 2009-05-04 Kazu Hirata <kazu@codesourcery.com> * expmed.c (synth_mult): When trying out a shift, pass the result diff --git a/gcc/builtins.c b/gcc/builtins.c index e3c91dc..0436229 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); |