1  /* { dg-do compile } */
       2  /* { dg-options "-O3 -mtune=atom -msse2 -mno-avx -fdump-tree-vect-stats" } */
       3  
       4  void
       5  foo (double *x, int *y)
       6  {
       7    int i;
       8    for (i = 0; i < 8; i++)
       9      x[i] -= y[i] * x[i + 1];
      10  }
      11  
      12  /* { dg-final { scan-tree-dump-not "Vectorized loops: 1" "vect" } } */