1 #include<stdio.h>
2 #include<assert.h>
3 
4 int main()
5 {
6     int rd, rs, rt;
7     int result;
8 
9     rs = 0x12345678;
10     rt = 0x87654321;
11     result = 0xC6E80A2C;
12 
13     __asm
14         ("subuh_r.qb %0, %1, %2\n\t"
15          : "=r"(rd)
16          : "r"(rs), "r"(rt)
17         );
18     assert(rd == result);
19 
20     rs = 0xBEFC292A;
21     rt = 0x9205C1B4;
22     result = 0x167cb4bb;
23 
24     __asm
25         ("subuh_r.qb %0, %1, %2\n\t"
26          : "=r"(rd)
27          : "r"(rs), "r"(rt)
28         );
29     assert(rd == result);
30 
31     return 0;
32 }
33