gcc/testsuite/gcc.c-torture/execute/930930-1.c

   1 __extension__ typedef __PTRDIFF_TYPE__ ptr_t;
   2 ptr_t *wm_TR;
   3 ptr_t *wm_HB;
   4 ptr_t *wm_SPB;
   5
   6 ptr_t mem[100];
   7
   8 f (mr_TR, mr_SPB, mr_HB, reg1, reg2)
   9      ptr_t *mr_TR;
  10      ptr_t *mr_SPB;
  11      ptr_t *mr_HB;
  12      ptr_t *reg1;
  13      ptr_t *reg2;
  14 {
  15   ptr_t *x = mr_TR;
  16
  17   for (;;)
  18     {
  19       if (reg1 < reg2)
  20         goto out;
  21       if ((ptr_t *) *reg1 < mr_HB && (ptr_t *) *reg1 >= mr_SPB)
  22         *--mr_TR = *reg1;
  23       reg1--;
  24     }
  25  out:
  26
  27   if (x != mr_TR)
  28     abort ();
  29 }
  30
  31 main ()
  32 {
  33   mem[99] = (ptr_t) mem;
  34   f (mem + 100, mem + 6, mem + 8, mem + 99, mem + 99);
  35   exit (0);
  36 }