summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/fold-notrotate-1.c
blob: a9b38040f3af7b02937e8440b030faab0797051d (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
42
43
44
45
46
47
48
49
50
51
52
53
54
/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-optimized" } */

#define INT_BITS  (sizeof (int) * __CHAR_BIT__)
#define ROL(x, y) ((x) << (y) | (x) >> (INT_BITS - (y)))
#define ROR(x, y) ((x) >> (y) | (x) << (INT_BITS - (y)))

unsigned
rol (unsigned a, unsigned b)
{
  return ~ROL (~a, b);
}

unsigned int
ror (unsigned a, unsigned b)
{
  return ~ROR (~a, b);
}

int
rol_conv1 (int a, unsigned b)
{
  return ~(int)ROL((unsigned)~a, b);
}

int
rol_conv2 (int a, unsigned b)
{
  return ~ROL((unsigned)~a, b);
}

int
rol_conv3 (unsigned a, unsigned b)
{
  return ~(int)ROL(~a, b);
}

#define LONG_BITS  (sizeof (long) * __CHAR_BIT__)
#define ROLL(x, y) ((x) << (y) | (x) >> (LONG_BITS - (y)))
#define RORL(x, y) ((x) >> (y) | (x) << (LONG_BITS - (y)))

unsigned long
roll (unsigned long a, unsigned long b)
{
  return ~ROLL (~a, b);
}

unsigned long
rorl (unsigned long a, unsigned long b)
{
  return ~RORL (~a, b);
}

/* { dg-final { scan-tree-dump-not "~" "optimized" } } */