1/* Origin: hp@bitrange.com
2   Test that return values come out right from a 1000-level call chain to
3   functions without parameters that each need at least one "long"
4   preserved.  Exposed problems related to the MMIX port.  */
5
6long level = 0;
7extern long foo (void);
8extern long bar (void);
9
10#ifdef STACK_SIZE
11#define DEPTH ((STACK_SIZE) / 512 + 1)
12#else
13#define DEPTH 500
14#endif
15
16int
17main (void)
18{
19  if (foo () == -42)
20    exit (0);
21
22  abort ();
23}
24
25long
26foo (void)
27{
28  long tmp = ++level;
29  return bar () + tmp;
30}
31
32long
33bar (void)
34{
35  long tmp = level;
36  return tmp > DEPTH - 1 ? -42 - tmp : foo () - tmp;
37}
38