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

49 lines
681 B
C

/* { dg-do run } */
/* { dg-skip-if "" { *-*-* } { "*" } { "-DACC_MEM_SHARED=0" } } */
#include <string.h>
#include <stdlib.h>
#include <openacc.h>
int
main (int argc, char **argv)
{
const int N = 256;
int i;
unsigned char *h;
void *d;
acc_init (acc_device_default);
h = (unsigned char *) malloc (N);
for (i = 0; i < N; i++)
{
h[i] = i;
}
d = acc_malloc (N);
acc_memcpy_to_device (d, h, N);
memset (&h[0], 0, N);
acc_memcpy_to_device (d, h, 0);
acc_memcpy_from_device (h, d, N);
for (i = 0; i < N; i++)
{
if (h[i] != i)
abort ();
}
acc_free (d);
free (h);
acc_shutdown (acc_device_default);
return 0;
}