1  /* { dg-do run } */
       2  /* { dg-options "-O2 -fmodulo-sched -fmodulo-sched-allow-regmoves -fdump-rtl-sms" } */
       3  
       4  extern void abort (void);
       5  
       6  float out[4][4] = { 6, 6, 7, 5, 6, 7, 5, 5, 6, 4, 4, 4, 6, 2, 3, 4 };
       7  
       8  void
       9  invert (void)
      10  {
      11    int i, j, k = 0, swap;
      12    float tmp[4][4] = { 5, 6, 7, 5, 6, 7, 5, 5, 4, 4, 4, 4, 3, 2, 3, 4 };
      13  
      14    for (i = 0; i < 4; i++)
      15      {
      16        for (j = i + 1; j < 4; j++)
      17  	if (tmp[j][i] > tmp[i][i])
      18  	  swap = j;
      19  
      20        if (swap != i)
      21  	tmp[i][k] = tmp[swap][k];
      22      }
      23  
      24    for (i = 0; i < 4; i++)
      25      for (j = 0; j < 4; j++)
      26        if (tmp[i][j] != out[i][j])
      27  	abort ();
      28  }
      29  
      30  int
      31  main ()
      32  {
      33    invert ();
      34    return 0;
      35  }
      36