| 251 | } |
| 252 | |
| 253 | Int128 sub(Int128 op2) const |
| 254 | { |
| 255 | Int128 rc; |
| 256 | rc.v = v - op2.v; |
| 257 | |
| 258 | // see comment ArithmeticNode::add2() |
| 259 | if (sign() != op2.sign() && op2.sign() == rc.sign()) |
| 260 | overflow(); |
| 261 | |
| 262 | return rc; |
| 263 | } |
| 264 | |
| 265 | Int128 mul(Int128 op2) const |
| 266 | { |