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

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* Test generic __atomic routines for proper function calling.
2 memory model. */
3 /* { dg-options "-w" } */
4 /* { dg-do run } */
5 /* { dg-additional-sources "atomic-generic-aux.c" } */
6
7 /* Test that the generioc atomic builtins execute as expected..
8 sync-mem-generic-aux.c supplies a functional external entry point for
9 the 4 generic functions. */
10
11 #include <stdlib.h>
12 #include <stdbool.h>
13 #include <string.h>
14
15 extern void abort();
16
17 typedef struct test {
18 int array[10];
19 } test_struct;
20
21 test_struct zero = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
22 test_struct ones = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
23 test_struct a,b;
24
25 int size = sizeof (test_struct);
26 /* Test for consistency on sizes 1, 2, 4, 8, 16 and 32. */
27 int
28 main ()
29 {
30 test_struct c;
31
32 __atomic_store (&a, &zero, __ATOMIC_RELAXED);
33 if (memcmp (&a, &zero, size))
34 abort ();
35
36 __atomic_exchange (&a, &ones, &c, __ATOMIC_SEQ_CST);
37 if (memcmp (&c, &zero, size))
38 abort ();
39 if (memcmp (&a, &ones, size))
40 abort ();
41
42 __atomic_load (&a, &b, __ATOMIC_RELAXED);
43 if (memcmp (&b, &ones, size))
44 abort ();
45
46 if (!__atomic_compare_exchange (&a, &b, &zero, false, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE))
47 abort();
48 if (memcmp (&a, &zero, size))
49 abort ();
50
51 if (__atomic_compare_exchange (&a, &b, &ones, false, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE))
52 abort();
53 if (memcmp (&b, &zero, size))
54 abort ();
55
56 return 0;
57 }
58