pub fn xadd128<E>(
    into: &mut E,
    dst_lo: impl Into<XReg>,
    dst_hi: impl Into<XReg>,
    lhs_lo: impl Into<XReg>,
    lhs_hi: impl Into<XReg>,
    rhs_lo: impl Into<XReg>,
    rhs_hi: impl Into<XReg>,
)Available on crate feature 
encode only.Expand description
dst_hi:dst_lo = lhs_hi:lhs_lo + rhs_hi:rhs_lo