def mul.sum2
import bend-kit-f64@0.1.0.0/f64.bend as F64import Base
431def mul.sum2(d: U32, c1: U32, h01: U32, h10: U32, h11: U32, l11: U32, limb: Limb) -> W4:
432 match limb:
433 case Limb{c, c2}:
434 mul.sum3(d, c, h10, h11, (c1 + c2 : U32), Limb.add(l11, h01, 0))