Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/ifnode.cpp
src/share/vm/opto/ifnode.cpp
- changeset 9181
- e54bf58b34b3
- parent 8907
- 9f401c01775b
- child 9203
- 53eec13fbaa5
- child 9710
- 5d306df084eb
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| 9180:ca717cbbd8b1 | 9181:e54bf58b34b3 |
|---|---|
| 451 //------------------------------is_range_check--------------------------------- | 451 //------------------------------is_range_check--------------------------------- |
| 452 // Return 0 if not a range check. Return 1 if a range check and set index and | 452 // Return 0 if not a range check. Return 1 if a range check and set index and |
| 453 // offset. Return 2 if we had to negate the test. Index is NULL if the check | 453 // offset. Return 2 if we had to negate the test. Index is NULL if the check |
| 454 // is versus a constant. | 454 // is versus a constant. |
| 455 int IfNode::is_range_check(Node* &range, Node* &index, jint &offset) { | 455 int IfNode::is_range_check(Node* &range, Node* &index, jint &offset) { |
| 456 if (outcnt() != 2) { | |
| 457 return 0; | |
| 458 } | |
| 456 Node* b = in(1); | 459 Node* b = in(1); |
| 457 if (b == NULL || !b->is_Bool()) return 0; | 460 if (b == NULL || !b->is_Bool()) return 0; |
| 458 BoolNode* bn = b->as_Bool(); | 461 BoolNode* bn = b->as_Bool(); |
| 459 Node* cmp = bn->in(1); | 462 Node* cmp = bn->in(1); |
| 460 if (cmp == NULL) return 0; | 463 if (cmp == NULL) return 0; |
