Function mulw

crates/virtual-machine/src/cpu/alu.rs:188–190

(a: u64, b: u64)

#[inline]
pub fn mulw(a: u64, b: u64) -> u64 {
    (a as u32).wrapping_mul(b as u32) as i32 as i64 as u64
}

pub fn divw(a: u64, b: u64) -> u64 {
    let dividend = a as i32;