blob: e3fd6b9d4a1b2328dd3c9be5a140310fd4082cd4 (
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
55
56
57
58
59
60
61
62
63
|
/* PR tree-optimization/86723 */
/* { dg-do run { target { ilp32 || lp64 } } } */
/* { dg-options "-O2" } */
__attribute__((noipa)) int
foo (unsigned long long value)
{
return (((value & 0x00000000000000ffull) << 56)
| ((value & 0x000000000000ff00ull) << 40)
| ((value & 0x0000000000ff0000ull) << 24)
| ((value & 0x00000000ff000000ull) << 8)
| ((value & 0x000000ff00000000ull) >> 8)
| ((value & 0x0000ff0000000000ull) >> 24)
| ((value & 0x00ff000000000000ull) >> 40)
| ((value & 0xff00000000000000ull) >> 56));
}
__attribute__((noipa)) int
bar (unsigned long long value)
{
return (((value & 0x000000ff00000000ull) >> 8)
| ((value & 0x0000ff0000000000ull) >> 24)
| ((value & 0x00ff000000000000ull) >> 40)
| ((value & 0xff00000000000000ull) >> 56));
}
__attribute__((noipa)) unsigned long long
baz (unsigned long long value)
{
return (((value & 0x00000000000000ffull) << 56)
| ((value & 0x000000000000ff00ull) << 40)
| ((value & 0x00000000ff000000ull) << 8)
| ((value & 0x000000ff00000000ull) >> 8)
| ((value & 0x0000ff0000000000ull) >> 24)
| ((value & 0xff00000000000000ull) >> 56));
}
__attribute__((noipa)) unsigned int
qux (unsigned int value)
{
return (((value & 0x000000ff) << 24)
| ((value & 0x00ff0000) >> 8)
| ((value & 0xff000000) >> 24));
}
__attribute__((noipa)) unsigned int
corge (unsigned int value)
{
return (((value & 0x000000ff) << 24)
| ((value & 0xff000000) >> 24));
}
int
main ()
{
if (foo (0x0102030405060708ull) != 0x04030201
|| bar (0x0102030405060708ull) != 0x04030201
|| baz (0x0102030405060708ull) != 0x0807000504030001ull
|| qux (0x01020304) != 0x04000201
|| corge (0x01020304) != 0x04000001)
__builtin_abort ();
return 0;
}
|
