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#include <stdlib.h>
#define N (1024 * 512)
#define COUNTERTYPE unsigned int
int
main (void)
{
unsigned int *__restrict a;
unsigned int *__restrict b;
unsigned int *__restrict c;
a = (unsigned int *__restrict)malloc (N * sizeof (unsigned int));
b = (unsigned int *__restrict)malloc (N * sizeof (unsigned int));
c = (unsigned int *__restrict)malloc (N * sizeof (unsigned int));
/* Parallelism dimensions: compiler/runtime decides. */
#pragma acc kernels copyout (a[0:N])
{
for (COUNTERTYPE i = 0; i < N; i++)
a[i] = i * 2;
}
/* Parallelism dimensions: variable. */
#pragma acc kernels copyout (b[0:N]) \
num_gangs (3 + a[3]) num_workers (5 + a[5]) vector_length (7 + a[7])
/* { dg-prune-output "using .vector_length \\(32\\)., ignoring runtime setting" } */
{
for (COUNTERTYPE i = 0; i < N; i++)
b[i] = i * 4;
}
/* Parallelism dimensions: literal. */
#pragma acc kernels copyin (a[0:N], b[0:N]) copyout (c[0:N]) \
num_gangs (3) num_workers (5) vector_length (7)
/* { dg-prune-output "using .vector_length \\(32\\)., ignoring 7" } */
{
for (COUNTERTYPE ii = 0; ii < N; ii++)
c[ii] = a[ii] + b[ii];
}
for (COUNTERTYPE i = 0; i < N; i++)
{
if (a[i] != i * 2)
abort ();
if (b[i] != i * 4)
abort ();
if (c[i] != a[i] + b[i])
abort ();
}
free (a);
free (b);
free (c);
return 0;
}
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