Retro68/gcc/libgomp/testsuite/libgomp.oacc-c-c++-common/enter_exit-lib.c
2017-10-07 02:16:47 +02:00

71 lines
1.1 KiB
C

/* Verify enter/exit data interoperablilty between pragmas and
acc library calls. */
/* { dg-do run } */
#include <stdlib.h>
#include <assert.h>
#include <openacc.h>
int
main ()
{
int *p = (int *)malloc (sizeof (int));
/* Test 1: pragma input, library output. */
#pragma acc enter data copyin (p[0:1])
#pragma acc parallel present (p[0:1]) num_gangs (1)
{
p[0] = 1;
}
acc_copyout (p, sizeof (int));
assert (p[0] == 1);
/* Test 2: library input, pragma output. */
acc_copyin (p, sizeof (int));
#pragma acc parallel present (p[0:1]) num_gangs (1)
{
p[0] = 2;
}
#pragma acc exit data copyout (p[0:1])
assert (p[0] == 2);
/* Test 3: library input, library output. */
acc_copyin (p, sizeof (int));
#pragma acc parallel present (p[0:1]) num_gangs (1)
{
p[0] = 3;
}
acc_copyout (p, sizeof (int));
assert (p[0] == 3);
/* Test 4: pragma input, pragma output. */
#pragma acc enter data copyin (p[0:1])
#pragma acc parallel present (p[0:1]) num_gangs (1)
{
p[0] = 3;
}
#pragma acc exit data copyout (p[0:1])
assert (p[0] == 3);
free (p);
return 0;
}