diff --git a/gcc/match.pd b/gcc/match.pd
index 1fe0559acfb..b9d04dd423b 100644
--- a/gcc/match.pd
+++ b/gcc/match.pd
@@ -3194,6 +3194,7 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
     (convert (plus:c @@0 @1)))
    (if (INTEGRAL_TYPE_P (type)
 	&& TYPE_OVERFLOW_UNDEFINED (type)
+	&& TREE_CODE (@1) != INTEGER_CST
 	&& element_precision (type) <= element_precision (TREE_TYPE (@1)))
     (with { tree utype = unsigned_type_for (type); }
      (convert (negate (convert:utype @1))))
@@ -3213,6 +3214,7 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
     (convert (pointer_plus @@0 @1)))
    (if (INTEGRAL_TYPE_P (type)
 	&& TYPE_OVERFLOW_UNDEFINED (type)
+	&& TREE_CODE (@1) != INTEGER_CST
 	&& element_precision (type) <= element_precision (TREE_TYPE (@1)))
     (with { tree utype = unsigned_type_for (type); }
      (convert (negate (convert:utype @1))))