111   int rshift = exponent - yExponent;  in Add()  local
113     --rshift; // correct overshift when only y is subnormal  in Add()
115   RoundingBits roundingBits{yFraction, rshift};  in Add()
116   yFraction = yFraction.SHIFTR(rshift);  in Add()
158         int rshift = 1 - exponent;  in Multiply()  local
161         if (rshift >= product.upper.bits + product.lower.bits) {  in Multiply()
163         } else if (rshift >= product.lower.bits) {  in Multiply()
166                    .IAND(product.upper.MASKR(rshift - product.lower.bits))  in Multiply()
169           sticky = !product.lower.IAND(product.lower.MASKR(rshift)).IsZero();  in Multiply()
171         product.lower = product.lower.SHIFTRWithFill(product.upper, rshift);  in Multiply()
172         product.upper = product.upper.SHIFTR(rshift);  in Multiply()
250         std::int64_t rshift{1 - exponent};  in Divide()  local
251         for (; rshift > 0; --rshift) {  in Divide()