58 lines
991 B
C
58 lines
991 B
C
/* { dg-do run } */
|
|
/* { dg-additional-options "-O2" */
|
|
|
|
#include <stdio.h>
|
|
|
|
#define N (32*32*32+17)
|
|
int main ()
|
|
{
|
|
int ix;
|
|
int ondev = 0;
|
|
int q = 0, h = 0;
|
|
|
|
#pragma acc parallel num_workers(32) vector_length(32) copy(q) copy(ondev)
|
|
{
|
|
int t = q;
|
|
|
|
#pragma acc loop worker reduction(+:t)
|
|
for (unsigned ix = 0; ix < N; ix++)
|
|
{
|
|
int val = ix;
|
|
|
|
if (__builtin_acc_on_device (5))
|
|
{
|
|
int g = 0, w = 0, v = 0;
|
|
|
|
__asm__ volatile ("mov.u32 %0,%%ctaid.x;" : "=r" (g));
|
|
__asm__ volatile ("mov.u32 %0,%%tid.y;" : "=r" (w));
|
|
__asm__ volatile ("mov.u32 %0,%%tid.x;" : "=r" (v));
|
|
val = (g << 16) | (w << 8) | v;
|
|
ondev = 1;
|
|
}
|
|
t += val;
|
|
}
|
|
q = t;
|
|
}
|
|
|
|
for (ix = 0; ix < N; ix++)
|
|
{
|
|
int val = ix;
|
|
if(ondev)
|
|
{
|
|
int g = 0;
|
|
int w = ix % 32;
|
|
int v = 0;
|
|
|
|
val = (g << 16) | (w << 8) | v;
|
|
}
|
|
h += val;
|
|
}
|
|
if (q != h)
|
|
{
|
|
printf ("t=%x expected %x\n", q, h);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|