libgomp/testsuite/libgomp.oacc-c-c++-common/lib-41.c


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

/* { dg-do run } */

#include <stdlib.h>
#include <openacc.h>

int
main (int argc, char **argv)
{
  const int N = 256;
  int i;
  unsigned char *h;
  void *d;

  h = (unsigned char *) malloc (N);

  for (i = 0; i < N; i++)
    {
      h[i] = i;
    }

  d = acc_copyin (h, N);
  if (!d)
    abort ();

  for (i = 0; i < N; i++)
    {
      h[i] = 0xab;
    }

  acc_update_device (h, N);

  acc_copyout (h, N);

  for (i = 0; i < N; i++)
    {
      if (h[i] != 0xab)
	abort ();
    }

  free (h);

  return 0;
}