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authorlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>1999-10-19 07:26:59 +0000
committerlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>1999-10-19 07:26:59 +0000
commitc876efd4c124e0b9055dd1b44b841c85c4999c9f (patch)
treea133f41dd7a9239c9de2653b609f31a4997bf358 /gcc/fold-const.c
parent85087551eae1dc2e9b3bcf2b43259ca7ca8de378 (diff)
downloadgcc-c876efd4c124e0b9055dd1b44b841c85c4999c9f.tar.gz
* fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30077 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fold-const.c')
-rw-r--r--gcc/fold-const.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index f055d23a13d..24cc7529327 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -4871,7 +4871,8 @@ fold (expr)
&& real_zerop (arg1))
return non_lvalue (convert (type, arg0));
/* x+(-0) equals x, even for IEEE. */
- else if (REAL_VALUE_MINUS_ZERO (TREE_REAL_CST (arg1)))
+ else if (TREE_CODE (arg1) == REAL_CST
+ && REAL_VALUE_MINUS_ZERO (TREE_REAL_CST (arg1)))
return non_lvalue (convert (type, arg0));
bit_rotate: