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 = 0x80001234; 10 rt = 0x80001234; 11 result = 0x7FFFFFFF; 12 resultdsp = 1; 13 14 __asm 15 ("muleq_s.w.phl %0, %2, %3\n\t" 16 "rddsp %1\n\t" 17 : "=r"(rd), "=r"(dsp) 18 : "r"(rs), "r"(rt) 19 ); 20 dsp = (dsp >> 21) & 0x01; 21 assert(rd == result); 22 assert(dsp == resultdsp); 23 24 rs = 0x12349988; 25 rt = 0x43219988; 26 result = 0x98be968; 27 resultdsp = 1; 28 29 __asm 30 ("muleq_s.w.phl %0, %2, %3\n\t" 31 "rddsp %1\n\t" 32 : "=r"(rd), "=r"(dsp) 33 : "r"(rs), "r"(rt) 34 ); 35 dsp = (dsp >> 21) & 0x01; 36 assert(rd == result); 37 assert(dsp == resultdsp); 38 39 return 0; 40} 41 42