1 #include<stdio.h>
2 #include<assert.h>
3 
4 int main()
5 {
6     int rs, ach, acl;
7     int resulth, resultl;
8 
9     rs  = 0x0F;
10     ach = 0xBBAACCFF;
11     acl = 0x1C3B001D;
12 
13     resulth = 0x17755;
14     resultl = 0x99fe3876;
15 
16     __asm
17         ("mthi %0, $ac1\n\t"
18          "mtlo %1, $ac1\n\t"
19          "shilov $ac1, %2\n\t"
20          "mfhi %0, $ac1\n\t"
21          "mflo %1, $ac1\n\t"
22          : "+r"(ach), "+r"(acl)
23          : "r"(rs)
24         );
25     assert(ach == resulth);
26     assert(acl == resultl);
27 
28 
29     rs  = 0xffffffff;
30     ach = 0x1;
31     acl = 0x80000000;
32 
33     resulth = 0x3;
34     resultl = 0x0;
35 
36     __asm
37         ("mthi %0, $ac1\n\t"
38          "mtlo %1, $ac1\n\t"
39          "shilov $ac1, %2\n\t"
40          "mfhi %0, $ac1\n\t"
41          "mflo %1, $ac1\n\t"
42          : "+r"(ach), "+r"(acl)
43          : "r"(rs)
44         );
45     assert(ach == resulth);
46     assert(acl == resultl);
47 
48     return 0;
49 }
50