Retro68/gcc/libgomp/testsuite/libgomp.oacc-c-c++-common/parallel-reduction.c
2017-04-10 13:32:00 +02:00

73 lines
978 B
C

/* { dg-do run } */
/* { dg-additional-options "-w" } */
#include <stdlib.h>
#include <openacc.h>
#define N 10
int
main ()
{
int s1 = 0, s2 = 0;
int i;
int dummy = 0;
#pragma acc data copy (dummy)
{
#pragma acc parallel num_gangs (N) reduction (+:s1) copy(s1)
{
s1++;
}
}
if (acc_get_device_type () != acc_device_nvidia)
{
if (s1 != 1)
abort ();
}
else
{
if (s1 != N)
abort ();
}
s1 = 0;
s2 = 0;
#pragma acc parallel num_gangs (10) reduction (+:s1, s2) copy(s1, s2)
{
s1++;
s2 += N;
}
if (acc_get_device_type () != acc_device_nvidia)
{
if (s1 != 1)
abort ();
if (s2 != N)
abort ();
}
else
{
if (s1 != N)
abort ();
if (s2 != N*N)
abort ();
}
s1 = 0;
#pragma acc parallel num_gangs (10) reduction (+:s1) copy(s1)
{
#pragma acc loop gang reduction (+:s1)
for (i = 0; i < 10; i++)
s1++;
}
if (s1 != N)
abort ();
return 0;
}