mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-28 05:51:04 +00:00
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/* Test generic __atomic routines for proper function calling.
|
|
memory model. */
|
|
/* { dg-options "-w" } */
|
|
/* { dg-do run } */
|
|
|
|
/* Test that the generioc atomic builtins execute as expected..
|
|
sync-mem-generic-aux.c supplies a functional external entry point for
|
|
the 4 generic functions. */
|
|
|
|
#include <stdlib.h>
|
|
#include <stdbool.h>
|
|
|
|
extern void abort();
|
|
|
|
typedef struct test {
|
|
int array[10];
|
|
} test_struct;
|
|
|
|
test_struct zero = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
|
|
test_struct ones = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
|
|
test_struct a,b;
|
|
|
|
int size = sizeof (test_struct);
|
|
/* Test for consistency on sizes 1, 2, 4, 8, 16 and 32. */
|
|
int
|
|
main ()
|
|
{
|
|
test_struct c;
|
|
|
|
__atomic_store (&a, &zero, __ATOMIC_RELAXED);
|
|
if (memcmp (&a, &zero, size))
|
|
abort ();
|
|
|
|
__atomic_exchange (&a, &ones, &c, __ATOMIC_SEQ_CST);
|
|
if (memcmp (&c, &zero, size))
|
|
abort ();
|
|
if (memcmp (&a, &ones, size))
|
|
abort ();
|
|
|
|
__atomic_load (&a, &b, __ATOMIC_RELAXED);
|
|
if (memcmp (&b, &ones, size))
|
|
abort ();
|
|
|
|
if (!__atomic_compare_exchange (&a, &b, &zero, false, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE))
|
|
abort();
|
|
if (memcmp (&a, &zero, size))
|
|
abort ();
|
|
|
|
if (__atomic_compare_exchange (&a, &b, &ones, false, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE))
|
|
abort();
|
|
if (memcmp (&b, &zero, size))
|
|
abort ();
|
|
|
|
return 0;
|
|
}
|
|
|