#include "io.h" int main(void) { long long rd, rs, rt, result, dspreg, dspresult; rs = 0x123456787FFF8000; rt = 0x1111111100028000; result = 0x234567897FFF8000; dspresult = 0x1; __asm ("addq_s.qh %0, %2, %3\n\t" "rddsp %1\n\t" : "=r"(rd), "=r"(dspreg) : "r"(rs), "r"(rt) ); dspreg = ((dspreg >> 20) & 0x01); if ((rd != result) || (dspreg != dspresult)) { printf("addq_s.qh error\n"); return -1; } return 0; }