libgomp/testsuite/libgomp.oacc-c-c++-common/lib-95.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, q = 5;
  13   unsigned char *h, *g;
  14   void *d;
  15
  16   h = (unsigned char *) malloc (N);
  17   g = (unsigned char *) malloc (N);
  18   for (i = 0; i < N; i++)
  19     {
  20       g[i] = i;
  21     }
  22
  23   acc_create_async (h, N, q);
  24
  25   acc_memcpy_to_device_async (acc_deviceptr (h), g, N, q);
  26   memset (&h[0], 0, N);
  27
  28   acc_wait (q);
  29
  30   acc_update_self_async (h, N, q + 1);
  31   acc_delete_async (h, N, q + 1);
  32
  33   acc_wait (q + 1);
  34
  35   for (i = 0; i < N; i++)
  36     {
  37       if (h[i] != i)
  38         abort ();
  39     }
  40
  41   free (h);
  42   free (g);
  43
  44   return 0;
  45 }