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/* { dg-do run } */
/* { dg-additional-options "-O2" */
/* <http://news.gmane.org/find-root.php?message_id=%3C563B78B5.5090506%40acm.org%3E>
{ dg-xfail-if "TODO" { *-*-* } } */
#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;
}
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