#include "io.h" int main(void) { long long rd, rs, rt, result, dspreg, dspresult; rs = 0x123456787FFFFFFF; rt = 0x1111111100000001; result = 0x234567897FFFFFFF; dspresult = 0x1; __asm ("addq_s.pw %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.pw error\n"); return -1; } rs = 0x80FFFFFFE00000FF; rt = 0x80000001200000DD; result = 0x80000000000001DC; dspresult = 0x01; __asm ("addq_s.pw %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.pw error\n"); return -1; } return 0; }