From 97d4c6a6f9fc5abb5e0751c9aec6e939b849bdbe Mon Sep 17 00:00:00 2001 From: rguenth Date: Mon, 4 May 2009 11:01:59 +0000 Subject: 2009-05-04 Richard Guenther 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 --- gcc/builtins.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'gcc/builtins.c') 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); -- cgit v1.2.1