1 #include<stdio.h>
2 #include<assert.h>
3
main()4 int main()
5 {
6 int rd, rs, rt, dsp;
7 int result, resultdsp;
8
9 rs = 0x77777777;
10 rt = 0x67654321;
11 result = 0x10123456;
12 resultdsp = 0x0;
13
14 __asm
15 ("subq.ph %0, %2, %3\n\t"
16 "rddsp %1\n\t"
17 : "=r"(rd), "=r"(dsp)
18 : "r"(rs), "r"(rt)
19 );
20 dsp = (dsp >> 20) & 0x01;
21 assert(dsp == resultdsp);
22 assert(rd == result);
23
24 rs = 0x12345678;
25 rt = 0x87654321;
26 result = 0x8ACF1357;
27 resultdsp = 0x01;
28
29 __asm
30 ("subq.ph %0, %2, %3\n\t"
31 "rddsp %1\n\t"
32 : "=r"(rd), "=r"(dsp)
33 : "r"(rs), "r"(rt)
34 );
35 dsp = (dsp >> 20) & 0x01;
36 assert(dsp == resultdsp);
37 assert(rd == result);
38
39 return 0;
40 }
41