1  /* This code is from the beginning of combine_reloads in reload.c in
       2     GCC 3.1-20020117, with simplifications.  It compiled incorrectly
       3     for -O2 -fprefetch-loop-arrays for ix86 targets.  */
       4  
       5  /* { dg-do run } */
       6  /* { dg-options "-O2 -fprefetch-loop-arrays -w" } */
       7  /* { dg-options "-O2 -fprefetch-loop-arrays -mtune=pentium3 -w" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
       8  
       9  
      10  struct reload
      11  {
      12    int first_member;
      13    int out;
      14    int final_member;
      15  };
      16  
      17  int n_reloads;
      18  struct reload rld[10];
      19  
      20  static int
      21  combine_reloads ()
      22  {
      23    int i;
      24    int output_reload = -1;
      25    int secondary_out = -1;
      26  
      27    for (i = 0; i < n_reloads; i++)
      28      if (rld[i].out != 0)
      29        {
      30  	if (output_reload >= 0)
      31  	  return output_reload;
      32  	output_reload = i;
      33        }
      34    return output_reload;
      35  }
      36  
      37  int
      38  main ()
      39  {
      40    n_reloads = 4;
      41    rld[2].out = 2;
      42    if (combine_reloads () != 2)
      43      abort ();
      44    exit (0);
      45  }