1#include<stdio.h> 2#include<assert.h> 3 4int main() 5{ 6 int input, result, dsp; 7 int hope; 8 9 input = 0x701BA35E; 10 hope = 0x701B5D5E; 11 12 __asm 13 ("absq_s.qb %0, %1\n\t" 14 : "=r"(result) 15 : "r"(input) 16 ); 17 assert(result == hope); 18 19 20 input = 0x801BA35E; 21 hope = 0x7F1B5D5E; 22 23 __asm 24 ("absq_s.qb %0, %2\n\t" 25 "rddsp %1\n\t" 26 : "=r"(result), "=r"(dsp) 27 : "r"(input) 28 ); 29 dsp = dsp >> 20; 30 dsp &= 0x01; 31 assert(dsp == 1); 32 assert(result == hope); 33 34 return 0; 35} 36