Retro68/gcc/libgomp/testsuite/libgomp.oacc-c-c++-common/collapse-3.c
2015-08-28 17:33:40 +02:00

41 lines
816 B
C

/* { dg-do run } */
/* { dg-options "-O2" } */
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
int
main (void)
{
int i2, l = 0, r = 0;
int a[3][3][3];
memset (a, '\0', sizeof (a));
#pragma acc parallel
#pragma acc loop collapse(4 - 1)
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
for (int k = 0; k < 2; k++)
a[i][j][k] = i + j * 4 + k * 16;
#pragma acc parallel
{
#pragma acc loop collapse(2) reduction(|:l)
for (i2 = 0; i2 < 2; i2++)
for (int j = 0; j < 2; j++)
for (int k = 0; k < 2; k++)
if (a[i2][j][k] != i2 + j * 4 + k * 16)
l += 1;
}
for (i2 = 0; i2 < 2; i2++)
for (int j = 0; j < 2; j++)
for (int k = 0; k < 2; k++)
if (a[i2][j][k] != i2 + j * 4 + k * 16)
r += 1;
if (l != r)
abort ();
return 0;
}