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/* { dg-do compile } */
#define N 40
signed short image[N][N] __attribute__ ((__aligned__(16)));
signed short block[N][N] __attribute__ ((__aligned__(16)));
/* Can't do outer-loop vectorization because of non-consecutive access.
Currently fails to vectorize because the reduction pattern is not
recognized. */
int
foo (){
int i,j;
int diff = 0;
for (i = 0; i < N; i++) {
for (j = 0; j < N; j+=8) {
diff += (image[i][j] - block[i][j]);
}
}
return diff;
}
/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail *-*-* } } } */
/* FORNOW */
/* { dg-final { scan-tree-dump-times "strided access in outer loop" 1 "vect" { xfail *-*-* } } } */
/* { dg-final { scan-tree-dump-times "unexpected pattern" 1 "vect" } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
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