Mercurial > hg > truffle
comparison src/share/vm/opto/subnode.hpp @ 113:ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author | coleenp |
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date | Sun, 13 Apr 2008 17:43:42 -0400 |
parents | a61af66fc99e |
children | d1605aabd0a1 |
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110:a49a647afe9a | 113:ba764ed4b6f2 |
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161 virtual int Opcode() const; | 161 virtual int Opcode() const; |
162 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); | 162 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
163 virtual const Type *sub( const Type *, const Type * ) const; | 163 virtual const Type *sub( const Type *, const Type * ) const; |
164 }; | 164 }; |
165 | 165 |
166 //------------------------------CmpNNode-------------------------------------- | |
167 // Compare 2 narrow oop values, returning condition codes (-1, 0 or 1). | |
168 class CmpNNode : public CmpNode { | |
169 public: | |
170 CmpNNode( Node *in1, Node *in2 ) : CmpNode(in1,in2) {} | |
171 virtual int Opcode() const; | |
172 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); | |
173 virtual const Type *sub( const Type *, const Type * ) const; | |
174 }; | |
175 | |
166 //------------------------------CmpLNode--------------------------------------- | 176 //------------------------------CmpLNode--------------------------------------- |
167 // Compare 2 long values, returning condition codes (-1, 0 or 1). | 177 // Compare 2 long values, returning condition codes (-1, 0 or 1). |
168 class CmpLNode : public CmpNode { | 178 class CmpLNode : public CmpNode { |
169 public: | 179 public: |
170 CmpLNode( Node *in1, Node *in2 ) : CmpNode(in1,in2) {} | 180 CmpLNode( Node *in1, Node *in2 ) : CmpNode(in1,in2) {} |