Mercurial > hg > CbC > CbC_gcc

comparison gcc/testsuite/gcc.dg/atomic-exchange-5.c @ 111:04ced10e8804

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
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 /* Test the execution of the __atomic_X builtin for a 16 byte value. */
8
9 extern void abort(void);
10
11 __int128_t v, count, ret;
12
13 int
14 main ()
15 {
16 v = 0;
17 count = 0;
18
19 if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count)
20 abort ();
21 count++;
22
23 if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count)
24 abort ();
25 count++;
26
27 if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count)
28 abort ();
29 count++;
30
31 if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count)
32 abort ();
33 count++;
34
35 if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count)
36 abort ();
37 count++;
38
39 /* Now test the generic version. */
40
41 count++;
42
43 __atomic_exchange (&v, &count, &ret, __ATOMIC_RELAXED);
44 if (ret != count - 1 || v != count)
45 abort ();
46 count++;
47
48 __atomic_exchange (&v, &count, &ret, __ATOMIC_ACQUIRE);
49 if (ret != count - 1 || v != count)
50 abort ();
51 count++;
52
53 __atomic_exchange (&v, &count, &ret, __ATOMIC_RELEASE);
54 if (ret != count - 1 || v != count)
55 abort ();
56 count++;
57
58 __atomic_exchange (&v, &count, &ret, __ATOMIC_ACQ_REL);
59 if (ret != count - 1 || v != count)
60 abort ();
61 count++;
62
63 __atomic_exchange (&v, &count, &ret, __ATOMIC_SEQ_CST);
64 if (ret != count - 1 || v != count)
65 abort ();
66 count++;
67
68 return 0;
69 }