#include "io.h" int main(void) { long long rd, rs, rt, dspreg; long long result, dspresult; rs = 0x123456787FFF0000; rt = 0x1111111180000000; result = 0x23456789FFFF0000; dspresult = 0x0; __asm("addu_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("1 addu_s.qh error\n"); return -1; } rs = 0x12345678FFFF0000; rt = 0x11111111000F0000; result = 0x23456789FFFF0000; dspresult = 0x01; __asm("addu_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("2 addu_s.qh error\n"); return -1; } return 0; }