1  /* PR debug/53174 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Ofast -g" } */
       4  
       5  int w, h;
       6  
       7  void
       8  bar (float (*x)[4], int y, int z)
       9  {
      10    int a, b, c, d, e, f, g;
      11  
      12    a = 2;
      13    b = 2;
      14    c = 274;
      15    d = 274;
      16    if (!z)
      17      a = 12;
      18    if (!y)
      19      b = 12;
      20    if (z + 266 >= h - 2)
      21      c = 8 + h - z;
      22    if (y + 266 >= w - 2)
      23      d = 8 + w - y;
      24    for (e = a; e < c; e++)
      25      for (f = b, g = e * 276 + f; f < d; f++, g++)
      26        {
      27  	float (*h)[4] = x + (g - 277);
      28  	float k = (*h)[0];
      29  	float l = (*h)[1];
      30  	float m = (*h)[2];
      31  	h++;
      32  	k += (*h)[0];
      33  	l += (*h)[1];
      34  	m += (*h)[2];
      35  	h++;
      36  	k += (*h)[0];
      37  	l += (*h)[1];
      38  	m += (*h)[2];
      39  	h += 274;
      40  	k += (*h)[0];
      41  	l += (*h)[1];
      42  	m += (*h)[2];
      43  	h += 2;
      44  	k += (*h)[0];
      45  	l += (*h)[1];
      46  	m += (*h)[2];
      47  	h += 274;
      48  	k += (*h)[0];
      49  	l += (*h)[1];
      50  	m += (*h)[2];
      51  	h++;
      52  	k += (*h)[0];
      53  	l += (*h)[1];
      54  	m += (*h)[2];
      55  	h++;
      56  	k += (*h)[0];
      57  	l += (*h)[1];
      58  	m += (*h)[2];
      59  	k *= 0.125f;
      60  	l *= 0.125f;
      61  	m *= 0.125f;
      62  	k = k + (x[g][1] - l);
      63  	m = m + (x[g][1] - l);
      64  	x[g][0] = k;
      65  	x[g][2] = m;
      66        }
      67  }