Subversion Repositories openrisc_2011-10-31

/* PR rtl-optimization/33673 */

/* { dg-do compile } */

/* { dg-options "-Os -fno-forward-propagate -fno-guess-branch-probability -fno-move-loop-invariants -fno-tree-dominator-opts -fno-tree-loop-optimize" } */

extern int f1 (int);

extern int f2 (int);

extern int *a;

static void

find_reg (int n)

{

  int i, pass;

  unsigned int used[2], used1[2];

  int c = n ? f1 (a[1]) : f2 (a[1]);

  for (i = 64, pass = 0; pass <= 1 && i >= 64; pass++)

    {

      if (pass == 1)

        {

          unsigned int *scan_tp_ = used;

          unsigned int *scan_fp_ = used1;

          int j;

          for (j = 0; j < 2; j++)

            *scan_tp_++ = *scan_fp_++;

        }

      for (i = 0; i < 64; i++)

        {

          int regno = i;

          if (n == 0)

            if (i == regno)

              break;

        }

    }

}

void

global_alloc ()

{

  find_reg (0);

  find_reg (1);

}