blob: 35bfc868708e448d99fe06e2b19e5bbadf1a06cc (
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/* { dg-additional-options "-fdump-tree-gimple" } */
/* Integer reductions. */
#define n 1000
int
main(void)
{
int i;
int result, array[n];
int lresult;
/* '+' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (+:result)
for (i = 0; i < n; i++)
result += array[i];
/* '*' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (*:result)
for (i = 0; i < n; i++)
result *= array[i];
/* 'max' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (max:result)
for (i = 0; i < n; i++)
result = result > array[i] ? result : array[i];
/* 'min' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (min:result)
for (i = 0; i < n; i++)
result = result < array[i] ? result : array[i];
/* '&' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (&:result)
for (i = 0; i < n; i++)
result &= array[i];
/* '|' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (|:result)
for (i = 0; i < n; i++)
result |= array[i];
/* '^' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (^:result)
for (i = 0; i < n; i++)
result ^= array[i];
/* '&&' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (&&:lresult)
for (i = 0; i < n; i++)
lresult = lresult && (result > array[i]);
/* '||' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (||:lresult)
for (i = 0; i < n; i++)
lresult = lresult || (result > array[i]);
return 0;
}
/* Check that default copy maps are generated for loop reductions. */
/* { dg-final { scan-tree-dump-times "map\\(tofrom:result \\\[len: \[0-9\]+\\\]\\)" 7 "gimple" } } */
/* { dg-final { scan-tree-dump-times "map\\(tofrom:lresult \\\[len: \[0-9\]+\\\]\\)" 2 "gimple" } } */
|
