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
      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" } } */