(expand_binop): In last change, don't defererence TARGET if it is 0.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@9877 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/optabs.c b/gcc/optabs.c
index 08f4beb..c0bf959 100644 (file)
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -1047,7 +1047,8 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods)
 
       /* If the target is the same as one of the inputs, don't use it.  This
         prevents problems with the REG_EQUAL note.  */
-      if (target == op0 || target == op1 || GET_CODE (target) != REG)
+      if (target == op0 || target == op1
+         || (target != 0 && GET_CODE (target) != REG))
        target = 0;
 
       /* Multiply the two lower words to get a double-word product.