libgomp/testsuite/libgomp.oacc-c-c++-common/lib-66.c

   1 /* { dg-do run } */
   2 /* { dg-skip-if "" { *-*-* } { "*" } { "-DACC_MEM_SHARED=0" } } */
   3
   4 #include <string.h>
   5 #include <stdlib.h>
   6 #include <openacc.h>
   7
   8 int
   9 main (int argc, char **argv)
  10 {
  11   const int N = 256;
  12   int i;
  13   unsigned char *h;
  14   void *d;
  15
  16   acc_init (acc_device_default);
  17
  18   h = (unsigned char *) malloc (N);
  19
  20   for (i = 0; i < N; i++)
  21     {
  22       h[i] = i;
  23     }
  24
  25   d = acc_malloc (N);
  26
  27   acc_memcpy_to_device (d, h, N);
  28
  29   memset (&h[0], 0, N);
  30
  31   acc_memcpy_to_device (d, h, 0);
  32
  33   acc_memcpy_from_device (h, d, N);
  34
  35   for (i = 0; i < N; i++)
  36     {
  37       if (h[i] != i)
  38         abort ();
  39     }
  40
  41   acc_free (d);
  42
  43   free (h);
  44
  45   acc_shutdown (acc_device_default);
  46
  47   return 0;
  48 }