gcc/libgomp/testsuite/libgomp.oacc-c-c++-common/kernels-loop-n.c

45 lines
877 B
C

#include <stdlib.h>
#define N ((1024 * 512) + 1)
#define COUNTERTYPE unsigned int
static int __attribute__((noinline,noclone))
foo (COUNTERTYPE n)
{
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));
for (COUNTERTYPE i = 0; i < n; i++)
a[i] = i * 2;
for (COUNTERTYPE i = 0; i < n; i++)
b[i] = i * 4;
#pragma acc kernels copyin (a[0:n], b[0:n]) copyout (c[0:n])
{
for (COUNTERTYPE ii = 0; ii < n; ii++)
c[ii] = a[ii] + b[ii];
}
for (COUNTERTYPE i = 0; i < n; i++)
if (c[i] != a[i] + b[i])
abort ();
free (a);
free (b);
free (c);
return 0;
}
int
main (void)
{
return foo (N);
}