--- /dev/null
+/* { dg-do compile } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-O1 -msubxc" } */
+
+long foo2 (long a, long i)
+{
+ return a - (i != 0);
+}
+
+long foo4 (long a, long b, long i)
+{
+ return a - b - (i != 0);
+}
+
+long foo5 (long a, long i)
+{
+ return a + (i == 0);
+}
+
+/* { dg-final { scan-assembler-times "subxc\t%" 3 } } */
+/* { dg-final { scan-assembler-times "cmp\t%" 3 } } */
+/* { dg-final { scan-assembler-not "add\t%" } } */
+/* { dg-final { scan-assembler-not "sub\t%" } } */