diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 7e6796268eac..ff242d833ff2 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2018-09-28  Joseph Myers  <joseph@codesourcery.com>
+
+	PR c/87390
+	* gcc.dg/torture/fp-int-convert.h (TEST_I_F_VAL): Convert integer
+	values explicitly to target type for comparison.
+
 2018-09-28  Steve Ellcey  <sellcey@cavium.com>
 
 	PR testsuite/87433
diff --git a/gcc/testsuite/gcc.dg/torture/fp-int-convert.h b/gcc/testsuite/gcc.dg/torture/fp-int-convert.h
index 2b904b6595c3..f0b3f3968fc3 100644
--- a/gcc/testsuite/gcc.dg/torture/fp-int-convert.h
+++ b/gcc/testsuite/gcc.dg/torture/fp-int-convert.h
@@ -90,6 +90,7 @@ do {							\
   if (ivin != (VAL)					\
       || ((PREC_OK) && ivout != ivin)			\
       || ((PREC_OK) && ivout != (VAL))			\
-      || fv1 != (VAL) || fv2 != (VAL) || fv1 != fv2)	\
+      || fv1 != (FT) (VAL) || fv2 != (FT) (VAL)		\
+      || fv1 != fv2)					\
     abort ();						\
 } while (0)