--- /dev/null
+/* { dg-do compile { target ia64-*-* } } */
+/* { dg-options "-O2 -finline-functions" } */
+
+/* Test inlining __sync_bool_compare_and_swap_di. */
+
+#include <stdbool.h>
+#include <ia64intrin.h>
+
+static bool
+compare_and_swap(long *addr, long old, long new_val)
+{
+ return __sync_bool_compare_and_swap_di(addr, old, new_val);
+}
+
+void
+foo (long *address)
+{
+ long he_address = *address & ~1;
+ while (!compare_and_swap(address, he_address, he_address | 1))
+ he_address = *address & ~1;
+}