1 /* Test __atomic routines for existence and proper execution on 8 byte
2 values with each valid memory model. */
3 /* { dg-do run } */
4 /* { dg-require-effective-target sync_long_long_runtime } */
5 /* { dg-options "" } */
6 /* { dg-options "-march=pentium" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
7
8 /* Test the execution of the __atomic_store_n builtin for a long long. */
9
10 extern void abort(void);
11
12 long long v, count;
13
main()14 main ()
15 {
16 v = 0;
17 count = 0;
18
19 __atomic_store_n (&v, count + 1, __ATOMIC_RELAXED);
20 if (v != ++count)
21 abort ();
22
23 __atomic_store_n (&v, count + 1, __ATOMIC_RELEASE);
24 if (v != ++count)
25 abort ();
26
27 __atomic_store_n (&v, count + 1, __ATOMIC_SEQ_CST);
28 if (v != ++count)
29 abort ();
30
31 /* Now test the generic variant. */
32 count++;
33
34 __atomic_store (&v, &count, __ATOMIC_RELAXED);
35 if (v != count++)
36 abort ();
37
38 __atomic_store (&v, &count, __ATOMIC_RELEASE);
39 if (v != count++)
40 abort ();
41
42 __atomic_store (&v, &count, __ATOMIC_SEQ_CST);
43 if (v != count)
44 abort ();
45
46
47 return 0;
48 }
49
50