fun get_div_mul_cc(xx,ccr0) {
    val ccr = ccr0 | xx?bit(63)?ext(8) << 7;
    ccr = ccr | (xx==0?ext(64))?ext(8) << 6;
    ccr = ccr | xx?bit(31)?ext(8) << 3;
    return ccr | (xx?bits(32)==0)?ext(8) << 2;
}