blob: ac24b05d0a41574b1ac9c481ff85ee31fe6cc88f (
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
|
/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 40
int a[N];
__attribute__ ((noinline)) int
foo (int n){
int i,j;
int sum;
if (n<=0)
return 0;
/* inner-loop index j used after the inner-loop */
for (i = 0; i < N; i++) {
sum = 0;
for (j = 0; j < n; j+=2) {
sum += j;
}
a[i] = sum + j;
}
}
int main (void)
{
int i,j;
int sum;
check_vect ();
for (i=0; i<N; i++)
a[i] = i;
foo (N);
/* check results: */
for (i=0; i<N; i++)
{
sum = 0;
for (j = 0; j < N; j+=2)
sum += j;
if (a[i] != sum + j)
abort();
}
return 0;
}
/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED." 1 "vect" } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
|
