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

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