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/* { dg-do compile } */

#define N 64

signed short image[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

signed short block[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

signed short out[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

/* Can't do outer-loop vectorization because of non-consecutive access. */

void

foo (){

  int i,j;

  int diff;

  for (i = 0; i < N; i++) {

    diff = 0;

    for (j = 0; j < N; j+=8) {

      diff += (image[i][j] - block[i][j]);

    }

    out[i]=diff;

  }

}

/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail *-*-* } } } */

/* { dg-final { scan-tree-dump-times "strided access in outer loop" 1 "vect" } } */

/* { dg-final { cleanup-tree-dump "vect" } } */