--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/atomic-generic.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,58 @@
+/* Test generic __atomic routines for proper function calling.
+   memory model.  */
+/* { dg-options "-w" } */
+/* { dg-do run } */
+/* { dg-additional-sources "atomic-generic-aux.c" } */
+
+/* Test that the generioc atomic builtins execute as expected..
+   sync-mem-generic-aux.c supplies a functional external entry point for 
+   the 4 generic functions.  */
+
+#include <stdlib.h>
+#include <stdbool.h>
+#include <string.h>
+
+extern void abort();
+
+typedef struct test {
+  int array[10];
+} test_struct;
+
+test_struct zero = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+test_struct ones = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
+test_struct a,b;
+
+int size = sizeof (test_struct);
+/* Test for consistency on sizes 1, 2, 4, 8, 16 and 32.  */
+int
+main ()
+{
+  test_struct c;
+
+  __atomic_store (&a, &zero, __ATOMIC_RELAXED);
+  if (memcmp (&a, &zero, size))
+    abort ();
+
+  __atomic_exchange (&a, &ones, &c, __ATOMIC_SEQ_CST);
+  if (memcmp (&c, &zero, size))
+    abort ();
+  if (memcmp (&a, &ones, size))
+    abort ();
+
+  __atomic_load (&a, &b, __ATOMIC_RELAXED);
+  if (memcmp (&b, &ones, size))
+    abort ();
+
+  if (!__atomic_compare_exchange (&a, &b, &zero, false, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE))
+    abort();
+  if (memcmp (&a, &zero, size))
+    abort ();
+
+  if (__atomic_compare_exchange (&a, &b, &ones, false, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE))
+    abort();
+  if (memcmp (&b, &zero, size))
+    abort ();
+
+  return 0;
+}
+