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/* Call 'acc_memcpy_from_device' inside '#pragma acc host_data'. */
/* { dg-skip-if "" { *-*-* } { "*" } { "-DACC_MEM_SHARED=0" } } */
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <openacc.h>
int
main ()
{
const int SIZE = 318;
const int c0 = 22;
const int c1 = 112;
char *h = (char *) malloc (SIZE);
memset (h, c0, SIZE);
#pragma acc data create (h[0:SIZE - 44])
{
#pragma acc update device (h[0:SIZE - 44])
memset (h, c1, 67);
void *d = h;
#pragma acc host_data use_device (d)
{
acc_memcpy_from_device (h, d, 12);
}
}
for (int i = 0; i < SIZE; ++i)
{
if (i < 12)
assert (h[i] == c0);
else if (i < 67)
assert (h[i] == c1);
else
assert (h[i] == c0);
}
free (h);
return 0;
}
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