1 /* { dg-do compile } */
2 
3 #define N 64
4 signed short image[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
5 signed short block[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
6 signed short out[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
7 
8 /* Can't do outer-loop vectorization because of non-consecutive access. */
9 
10 void
foo()11 foo (){
12   int i,j;
13   int diff;
14 
15   for (i = 0; i < N; i++) {
16     diff = 0;
17     for (j = 0; j < N; j+=8) {
18       diff += (image[i][j] - block[i][j]);
19     }
20     out[i]=diff;
21   }
22 }
23 
24 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail *-*-* } } } */
25 /* { dg-final { scan-tree-dump-times "grouped access in outer loop" 1 "vect" } } */
26