()
| 518 | |
| 519 | // If the _hash is set, then the Node is in the GVN table; remove it. |
| 520 | void unlock() { |
| 521 | if( _hash==0 ) return; |
| 522 | Node old = GVN.remove(this); // Pull from table |
| 523 | assert old==this; |
| 524 | _hash=0; // Out of table now |
| 525 | } |
| 526 | |
| 527 | |
| 528 | // Hash of opcode and inputs |