diff --git a/gcc/match.pd b/gcc/match.pd
index 3e54e2cf5a6..5adcd6bd02c 100644
--- a/gcc/match.pd
+++ b/gcc/match.pd
@@ -4671,7 +4671,10 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
   (if (! FLOAT_TYPE_P (TREE_TYPE (@0))
        || ! HONOR_NANS (@0))
    { constant_boolean_node (true, type); }
-   (if (cmp != EQ_EXPR)
+   (if (cmp != EQ_EXPR
+	/* With -ftrapping-math conversion to EQ loses an exception.  */
+	&& (! FLOAT_TYPE_P (TREE_TYPE (@0))
+	    || ! flag_trapping_math))
     (eq @0 @0)))))
 (for cmp (ne gt lt)
  (simplify