Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/addnode.cpp
src/share/vm/opto/addnode.cpp
- changeset 452
- ff5961f4c095
- parent 435
- a61af66fc99e
- child 467
- 4d428c5b4cb3
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| 451:f8236e79048a | 452:ff5961f4c095 |
|---|---|
| 606 } | 606 } |
| 607 offset = Type::OffsetBot; | 607 offset = Type::OffsetBot; |
| 608 return NULL; | 608 return NULL; |
| 609 } | 609 } |
| 610 | 610 |
| 611 //------------------------------unpack_offsets---------------------------------- | |
| 612 // Collect the AddP offset values into the elements array, giving up | |
| 613 // if there are more than length. | |
| 614 int AddPNode::unpack_offsets(Node* elements[], int length) { | |
| 615 int count = 0; | |
| 616 Node* addr = this; | |
| 617 Node* base = addr->in(AddPNode::Base); | |
| 618 while (addr->is_AddP()) { | |
| 619 if (addr->in(AddPNode::Base) != base) { | |
| 620 // give up | |
| 621 return -1; | |
| 622 } | |
| 623 elements[count++] = addr->in(AddPNode::Offset); | |
| 624 if (count == length) { | |
| 625 // give up | |
| 626 return -1; | |
| 627 } | |
| 628 addr = addr->in(AddPNode::Address); | |
| 629 } | |
| 630 return count; | |
| 631 } | |
| 632 | |
| 611 //------------------------------match_edge------------------------------------- | 633 //------------------------------match_edge------------------------------------- |
| 612 // Do we Match on this edge index or not? Do not match base pointer edge | 634 // Do we Match on this edge index or not? Do not match base pointer edge |
| 613 uint AddPNode::match_edge(uint idx) const { | 635 uint AddPNode::match_edge(uint idx) const { |
| 614 return idx > Base; | 636 return idx > Base; |
| 615 } | 637 } |
