mirror of git://gcc.gnu.org/git/gcc.git
31 lines
573 B
C
31 lines
573 B
C
/* { dg-additional-options "-w" } */
|
|
|
|
#include <assert.h>
|
|
|
|
/* Test of reduction on loop directive (gangs and vectors, non-private
|
|
reduction variable). */
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
int i, arr[1024], res = 0, hres = 0;
|
|
|
|
for (i = 0; i < 1024; i++)
|
|
arr[i] = i;
|
|
|
|
#pragma acc parallel num_gangs(32) num_workers(32) vector_length(32) \
|
|
copy(res)
|
|
{
|
|
#pragma acc loop gang vector reduction(+:res)
|
|
for (i = 0; i < 1024; i++)
|
|
res += arr[i];
|
|
}
|
|
|
|
for (i = 0; i < 1024; i++)
|
|
hres += arr[i];
|
|
|
|
assert (res == hres);
|
|
|
|
return 0;
|
|
}
|