#include"io.h"

int main(void)
{
    long long rs, rt, ach, acl;
    long long resulth, resultl;

    ach = 0x05;
    acl = 0x00BBDDCC;
    rs = 0x80001234;
    rt = 0x80004321;
    resulth = 0x05;
    resultl = 0x3BF5E918;

    __asm
        ("mthi %0, $ac1\n\t"
         "mtlo %1, $ac1\n\t"
         "mulsa.w.ph $ac1, %2, %3\n\t"
         "mfhi %0, $ac1\n\t"
         "mflo %1, $ac1\n\t"
         : "+r"(ach), "+r"(acl)
         : "r"(rs), "r"(rt)
        );
    if (ach != resulth || acl != resultl) {
        printf("mulsa.w.ph error\n");
        return -1;
    }

    return 0;
}