Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/connode.cpp
src/share/vm/opto/connode.cpp
- changeset 803
- 36ccc817fca4
- parent 740
- ab075d07f1ba
- child 1040
- 98cb887364d3
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| 802:194b8e3a2fc4 | 803:36ccc817fca4 |
|---|---|
| 431 | 431 |
| 432 //------------------------------Ideal_DU_postCCP------------------------------- | 432 //------------------------------Ideal_DU_postCCP------------------------------- |
| 433 // If not converting int->oop, throw away cast after constant propagation | 433 // If not converting int->oop, throw away cast after constant propagation |
| 434 Node *CastPPNode::Ideal_DU_postCCP( PhaseCCP *ccp ) { | 434 Node *CastPPNode::Ideal_DU_postCCP( PhaseCCP *ccp ) { |
| 435 const Type *t = ccp->type(in(1)); | 435 const Type *t = ccp->type(in(1)); |
| 436 if (!t->isa_oop_ptr()) { | 436 if (!t->isa_oop_ptr() || in(1)->is_DecodeN()) { |
| 437 return NULL; // do not transform raw pointers | 437 return NULL; // do not transform raw pointers or narrow oops |
| 438 } | 438 } |
| 439 return ConstraintCastNode::Ideal_DU_postCCP(ccp); | 439 return ConstraintCastNode::Ideal_DU_postCCP(ccp); |
| 440 } | 440 } |
| 441 | 441 |
| 442 | 442 |
