blob: b691da4592fbeab665c454a8ff3eebc0508f3a22 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* Test __atomic routines for existence and proper execution on 4 byte
values with each valid memory model. */
/* { dg-do run } */
/* { dg-require-effective-target sync_int_long } */
/* Test the execution of the __atomic_store_n builtin for an int. */
extern void abort(void);
int v, count;
main ()
{
v = 0;
count = 0;
__atomic_store_n (&v, count + 1, __ATOMIC_RELAXED);
if (v != ++count)
abort ();
__atomic_store_n (&v, count + 1, __ATOMIC_RELEASE);
if (v != ++count)
abort ();
__atomic_store_n (&v, count + 1, __ATOMIC_SEQ_CST);
if (v != ++count)
abort ();
/* Now test the generic variant. */
count++;
__atomic_store (&v, &count, __ATOMIC_RELAXED);
if (v != count++)
abort ();
__atomic_store (&v, &count, __ATOMIC_RELEASE);
if (v != count++)
abort ();
__atomic_store (&v, &count, __ATOMIC_SEQ_CST);
if (v != count)
abort ();
return 0;
}
|