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
|
/* { dg-do run { target { { i?86-*-* x86_64-*-* } && lp64 } } } */
/* { dg-options "-g" } */
volatile int vv;
__attribute__((noclone, noinline)) long
f1 (unsigned long x)
{
long f = (x << 12) | (x >> (64 - 12));
long g = f;
asm volatile ("" : "+r" (f));
vv++; /* { dg-final { gdb-test . "g" "f" } } */
return f;
}
__attribute__((noclone, noinline)) long
f2 (unsigned long x, int y)
{
long f = (x << y) | (x >> (64 - y));
long g = f;
asm volatile ("" : "+r" (f));
vv++; /* { dg-final { gdb-test . "g" "f" } } */
return f;
}
__attribute__((noclone, noinline)) long
f3 (unsigned long x, int y)
{
long f = (x >> y) | (x << (64 - y));
long g = f;
asm volatile ("" : "+r" (f));
vv++; /* { dg-final { gdb-test . "g" "f" } } */
return f;
}
__attribute__((noclone, noinline)) unsigned int
f4 (unsigned int x)
{
unsigned int f = (x << 12) | (x >> (32 - 12));
unsigned int g = f;
asm volatile ("" : "+r" (f));
vv++; /* { dg-final { gdb-test . "g" "f" } } */
return f;
}
__attribute__((noclone, noinline)) unsigned int
f5 (unsigned int x, int y)
{
unsigned int f = (x << y) | (x >> (32 - y));
unsigned int g = f;
asm volatile ("" : "+r" (f));
vv++; /* { dg-final { gdb-test . "g" "f" } } */
return f;
}
__attribute__((noclone, noinline)) unsigned int
f6 (unsigned int x, int y)
{
unsigned int f = (x >> y) | (x << (32 - y));
unsigned int g = f;
asm volatile ("" : "+r" (f));
vv++; /* { dg-final { gdb-test . "g" "f" } } */
return f;
}
int
main ()
{
f1 (0x123456789abcde0fUL);
f2 (0x123456789abcde0fUL, 18);
f3 (0x123456789abcde0fUL, 17);
f4 (0x12345678);
f5 (0x12345678, 18);
f6 (0x12345678, 17);
return 0;
}
|
