Lines Matching defs:R1
166 // R1 <- (r_1 - r_m1) / 2
167 RWDigits R1 = r_1;
168 bool R1_sign = SubtractSigned(R1, r_1, false, r_m1, r_m1_sign);
169 DivideByTwo(R1);
180 // R2 <- R2 + R1 - R4
181 R2_sign = AddSigned(R2, R2, R2_sign, R1, R1_sign);
183 // R1 <- R1 - R3
184 R1_sign = SubtractSigned(R1, R1, R1_sign, R3, R3_sign);
187 R1.Normalize();
190 DCHECK(R1_sign == false || R1.len() == 0);
197 AddAndReturnOverflow(Z + i, R1);