blob: 4a8c1bf549e9836d235ae21e30a1d9e31bb8d550 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/* { dg-do run { target openacc_nvidia_accel_selected } } */
/* { dg-additional-options "-foffload=-fdump-tree-oaccloops" } */
/* { dg-set-target-env-var "GOMP_DEBUG" "1" } */
#include <stdlib.h>
#define N 1024
unsigned int a[N];
unsigned int b[N];
unsigned int c[N];
unsigned int n = N;
int
main (void)
{
for (unsigned int i = 0; i < n; ++i)
{
a[i] = i % 3;
b[i] = i % 5;
}
#pragma acc parallel vector_length (128) copyin (a,b) copyout (c)
{
#pragma acc loop worker
for (unsigned int i = 0; i < 4; i++)
#pragma acc loop vector
for (unsigned int j = 0; j < n / 4; j++)
c[(i * N / 4) + j] = a[(i * N / 4) + j] + b[(i * N / 4) + j];
}
for (unsigned int i = 0; i < n; ++i)
if (c[i] != (i % 3) + (i % 5))
abort ();
return 0;
}
/* { dg-final { scan-offload-tree-dump "__attribute__\\(\\(oacc function \\(1, 0, 128\\)" "oaccloops" } } */
/* { dg-output "nvptx_exec: kernel main\\\$_omp_fn\\\$0: launch gangs=1, workers=8, vectors=128" } */
|
