1  /* { dg-do compile } */
       2  /* { dg-options "-O3" } */
       3  
       4  extern int abs(int);
       5  int e(const unsigned char *g, long h, unsigned char m)
       6  {
       7    int i = 0;
       8    for (int j = 0; j < h; j++)
       9      {
      10        for (int k = 0; k < 4; k++)
      11  	i += abs(g[k] - m);
      12        g += h;
      13      }
      14    return i;
      15  }