blob: 4a84bea4eeddd02a7b17a4b860e8508b909a692e (
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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/* PR tree-optimization/89475 */
/* { dg-do compile { target { ilp32 || lp64 } } } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
/* { dg-final { scan-tree-dump-not "link_error " "optimized" } } */
void link_error (void);
unsigned short
f0 (unsigned short x)
{
x &= 0xaa55;
x = __builtin_bswap16 (x);
if (x & 0xaa55)
link_error ();
return x;
}
unsigned short
f1 (unsigned short x)
{
x &= 0x55aa;
x = __builtin_bswap16 (x);
if (x & 0x55aa)
link_error ();
return x;
}
unsigned int
f2 (unsigned int x)
{
x &= 0x55aa5aa5U;
x = __builtin_bswap32 (x);
if (x & 0x5aa555aaU)
link_error ();
return x;
}
unsigned long long int
f3 (unsigned long long int x)
{
x &= 0x55aa5aa544cc2211ULL;
x = __builtin_bswap64 (x);
if (x & 0xeedd33bb5aa555aaULL)
link_error ();
return x;
}
unsigned short
f4 (unsigned short x)
{
x = __builtin_bswap32 (x);
if (x != 0)
link_error ();
return x;
}
unsigned int
f5 (unsigned int x)
{
x = __builtin_bswap64 (x);
if (x != 0)
link_error ();
return x;
}
unsigned short
f6 (unsigned short x)
{
x |= 0xaa55;
x = __builtin_bswap16 (x);
if ((x | 0xaa55) != 0xffff)
link_error ();
return x;
}
unsigned short
f7 (unsigned short x)
{
x |= 0x55aa;
x = __builtin_bswap16 (x);
if ((x | 0x55aa) != 0xffff)
link_error ();
return x;
}
unsigned int
f8 (unsigned int x)
{
x |= 0x55aa5aa5U;
x = __builtin_bswap32 (x);
if ((x | 0x5aa555aaU) != 0xffffffffU)
link_error ();
return x;
}
unsigned long long int
f9 (unsigned long long int x)
{
x |= 0x55aa5aa544cc2211ULL;
x = __builtin_bswap64 (x);
if ((x | 0xeedd33bb5aa555aaULL) != 0xffffffffffffffffULL)
link_error ();
return x;
}
|
