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
|
#include<stdio.h>
#include<assert.h>
int main()
{
int ach, acl;
int resulth, resultl;
ach = 0xBBAACCFF;
acl = 0x1C3B001D;
resulth = 0x17755;
resultl = 0x99fe3876;
__asm
("mthi %0, $ac1\n\t"
"mtlo %1, $ac1\n\t"
"shilo $ac1, 0x0F\n\t"
"mfhi %0, $ac1\n\t"
"mflo %1, $ac1\n\t"
: "+r"(ach), "+r"(acl)
);
assert(ach == resulth);
assert(acl == resultl);
ach = 0x1;
acl = 0x80000000;
resulth = 0x3;
resultl = 0x0;
__asm
("mthi %0, $ac1\n\t"
"mtlo %1, $ac1\n\t"
"shilo $ac1, -1\n\t"
"mfhi %0, $ac1\n\t"
"mflo %1, $ac1\n\t"
: "+r"(ach), "+r"(acl)
);
assert(ach == resulth);
assert(acl == resultl);
return 0;
}
|
