1  /* { dg-do compile } */
       2  /* { dg-options "-O3" } */
       3  /* { dg-additional-options "-mtune=atom -msse2" { target i?86-*-* x86_64-*-* } } */
       4  
       5  void
       6  foo (double *x, int *y)
       7  {
       8    int i;
       9    for (i = 0; i < 8; i++)
      10      x[i] -= y[i] * x[i + 1];
      11  }