1  /* { dg-do compile } */
       2  /* { dg-additional-options "-O3" } */
       3  /* { dg-additional-options "-mavx -mno-mmx" { target x86_64-*-* i?86-*-* } } */
       4  
       5  signed char a;
       6  signed char f (int i, int j)
       7  {
       8    signed char c;
       9    while (i != 0)
      10    {
      11      a ^= j;
      12      ++c;
      13      ++i;
      14    }
      15    return c;
      16  }