Function mulhsu

crates/virtual-machine/src/cpu/alu.rs:145–147

(a: u64, b: u64)

/// Upper 64 bits of signed*unsigned product.
#[inline]
pub fn mulhsu(a: u64, b: u64) -> u64 {
    ((a as i64 as i128).wrapping_mul(b as u128 as i128) >> 64) as u64
}

/// Signed division. Returns `u64::MAX` on divide-by-zero; `i64::MIN` (as u64) on overflow.
pub fn div(a: u64, b: u64) -> u64 {