Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/subnode.cpp
src/share/vm/opto/subnode.cpp
- changeset 656
- 1e026f8da827
- parent 647
- 99bf1609e2a5
- child 670
- 9c2ecc2ffb12
equal
deleted
inserted
replaced
| 655:30369db7f5d2 | 656:1e026f8da827 |
|---|---|
| 741 //============================================================================= | 741 //============================================================================= |
| 742 //------------------------------sub-------------------------------------------- | 742 //------------------------------sub-------------------------------------------- |
| 743 // Simplify an CmpN (compare 2 pointers) node, based on local information. | 743 // Simplify an CmpN (compare 2 pointers) node, based on local information. |
| 744 // If both inputs are constants, compare them. | 744 // If both inputs are constants, compare them. |
| 745 const Type *CmpNNode::sub( const Type *t1, const Type *t2 ) const { | 745 const Type *CmpNNode::sub( const Type *t1, const Type *t2 ) const { |
| 746 const TypePtr *r0 = t1->is_narrowoop()->make_oopptr(); // Handy access | 746 const TypePtr *r0 = t1->make_ptr(); // Handy access |
| 747 const TypePtr *r1 = t2->is_narrowoop()->make_oopptr(); | 747 const TypePtr *r1 = t2->make_ptr(); |
| 748 | 748 |
| 749 // Undefined inputs makes for an undefined result | 749 // Undefined inputs makes for an undefined result |
| 750 if( TypePtr::above_centerline(r0->_ptr) || | 750 if( TypePtr::above_centerline(r0->_ptr) || |
| 751 TypePtr::above_centerline(r1->_ptr) ) | 751 TypePtr::above_centerline(r1->_ptr) ) |
| 752 return Type::TOP; | 752 return Type::TOP; |
