1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index e69945f..652fd17 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -7122,6 +7122,11 @@ fold_plusminus_mult_expr (enum tree_code code, tree type, tree arg0, tree arg1)
       arg00 = TREE_OPERAND (arg0, 0);
       arg01 = TREE_OPERAND (arg0, 1);
     }
+  else if (TREE_CODE (arg0) == INTEGER_CST)
+    {
+      arg00 = build_one_cst (type);
+      arg01 = arg0;
+    }
   else
     {
       arg00 = arg0;
@@ -7132,6 +7137,11 @@ fold_plusminus_mult_expr (enum tree_code code, tree type, tree arg0, tree arg1)
       arg10 = TREE_OPERAND (arg1, 0);
       arg11 = TREE_OPERAND (arg1, 1);
     }
+  else if (TREE_CODE (arg1) == INTEGER_CST)
+    {
+      arg10 = build_one_cst (type);
+      arg11 = arg1;
+    }
   else
     {
       arg10 = arg1;