1/* PR rtl-optimization/33673 */
2/* { dg-do compile } */
3/* { dg-options "-Os -fno-forward-propagate -fno-guess-branch-probability -fno-move-loop-invariants -fno-tree-dominator-opts -fno-tree-loop-optimize" } */
4
5extern int f1 (int);
6extern int f2 (int);
7
8extern int *a;
9
10static void
11find_reg (int n)
12{
13  int i, pass;
14  unsigned int used[2], used1[2];
15
16  int c = n ? f1 (a[1]) : f2 (a[1]);
17
18  for (i = 64, pass = 0; pass <= 1 && i >= 64; pass++)
19    {
20      if (pass == 1)
21	{
22	  unsigned int *scan_tp_ = used;
23	  unsigned int *scan_fp_ = used1;
24	  int j;
25	  for (j = 0; j < 2; j++)
26	    *scan_tp_++ = *scan_fp_++;
27	}
28      for (i = 0; i < 64; i++)
29	{
30	  int regno = i;
31	  if (n == 0)
32	    if (i == regno)
33	      break;
34	}
35    }
36}
37
38void
39global_alloc ()
40{
41  find_reg (0);
42  find_reg (1);
43}
44