summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/sms-8.c
blob: afac55dadd17d0989c4cecee18bfacd6aae7cadc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
/*  This test is a reduced test case for a bug that caused
    bootstrapping with -fmodulo-sched.  Related to a broken anti-dep
    that was not fixed by reg-moves.  */

 /* { dg-do run } */
 /* { dg-options "-O2 -fmodulo-sched -fmodulo-sched-allow-regmoves -fdump-rtl-sms" } */

extern void abort (void);

__attribute__ ((noinline))
unsigned long long
foo (long long ixi, unsigned ctr)
{
  unsigned long long irslt = 1;
  long long ix = ixi;

  for (; ctr; ctr--)
    {
      irslt *= ix;
      ix *= ix;
    }

  if (irslt != 14348907)
    abort ();
  return irslt;
}


int
main ()
{
  unsigned long long res;

  res = foo (3, 4);
  return 0;
}

/* { dg-final { scan-rtl-dump-times "SMS succeeded" 1 "sms" { target powerpc*-*-* } } } */
/* { dg-final { cleanup-rtl-dump "sms" } } */