1 /* Test __atomic routines for existence and proper execution on 16 byte
2 values with each valid memory model. */
3 /* { dg-do run } */
4 /* { dg-require-effective-target sync_int_128_runtime } */
5 /* { dg-options "-mcx16" { target { i?86-*-* x86_64-*-* } } } */
6
7 extern void abort(void);
8
9 __int128_t v, count;
10
11 int
main()12 main ()
13 {
14 v = 0;
15 count = 0;
16
17 if (__atomic_load_n (&v, __ATOMIC_RELAXED) != count++)
18 abort();
19 else
20 v++;
21
22 if (__atomic_load_n (&v, __ATOMIC_ACQUIRE) != count++)
23 abort();
24 else
25 v++;
26
27 if (__atomic_load_n (&v, __ATOMIC_CONSUME) != count++)
28 abort();
29 else
30 v++;
31
32 if (__atomic_load_n (&v, __ATOMIC_SEQ_CST) != count++)
33 abort();
34 else
35 v++;
36
37 /* Now test the generic variants. */
38
39 __atomic_load (&v, &count, __ATOMIC_RELAXED);
40 if (count != v)
41 abort();
42 else
43 v++;
44
45 __atomic_load (&v, &count, __ATOMIC_ACQUIRE);
46 if (count != v)
47 abort();
48 else
49 v++;
50
51 __atomic_load (&v, &count, __ATOMIC_CONSUME);
52 if (count != v)
53 abort();
54 else
55 v++;
56
57 __atomic_load (&v, &count, __ATOMIC_SEQ_CST);
58 if (count != v)
59 abort();
60 else
61 v++;
62
63
64 return 0;
65 }
66
67