int main() { int rt, rs; int achi, acli; int dsp; int acho, aclo; int resulth, resultl; int resdsp; achi = 0x05; acli = 0xB4CB; rs = 0xFF06; rt = 0xCB00; resulth = 0x04; resultl = 0x947438CB; __asm ("mthi %2, $ac1\n\t" "mtlo %3, $ac1\n\t" "maq_s.w.phr $ac1, %4, %5\n\t" "mfhi %0, $ac1\n\t" "mflo %1, $ac1\n\t" : "=r"(acho), "=r"(aclo) : "r"(achi), "r"(acli), "r"(rs), "r"(rt) ); assert(resulth == acho); assert(resultl == aclo); achi = 0x06; acli = 0xB4CB; rs = 0x8000; rt = 0x8000; resulth = 0x6; resultl = 0x8000b4ca; resdsp = 1; __asm ("mthi %3, $ac1\n\t" "mtlo %4, $ac1\n\t" "maq_s.w.phr $ac1, %5, %6\n\t" "mfhi %0, $ac1\n\t" "mflo %1, $ac1\n\t" "rddsp %2\n\t" : "=r"(acho), "=r"(aclo), "=r"(dsp) : "r"(achi), "r"(acli), "r"(rs), "r"(rt) ); assert(resulth == acho); assert(resultl == aclo); assert(((dsp >> 17) & 0x01) == resdsp); return 0; }