1#include<stdio.h> 2#include<assert.h> 3 4int main() 5{ 6 int rd, rs, rt, dsp; 7 int result, resultdsp; 8 9 rs = 0x12345678; 10 rt = 0x87654321; 11 result = 0x8BCF1357; 12 resultdsp = 0x01; 13 14 __asm 15 ("subu.qb %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 return 0; 25} 26