Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/connode.hpp
src/share/vm/opto/connode.hpp
- changeset 548
- ba764ed4b6f2
- parent 435
- a61af66fc99e
- child 559
- b130b98db9cf
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| 545:a49a647afe9a | 548:ba764ed4b6f2 |
|---|---|
| 76 } | 76 } |
| 77 | 77 |
| 78 }; | 78 }; |
| 79 | 79 |
| 80 | 80 |
| 81 //------------------------------ConNNode-------------------------------------- | |
| 82 // Simple narrow oop constants | |
| 83 class ConNNode : public ConNode { | |
| 84 public: | |
| 85 ConNNode( const TypeNarrowOop *t ) : ConNode(t) {} | |
| 86 virtual int Opcode() const; | |
| 87 | |
| 88 static ConNNode* make( Compile *C, ciObject* con ) { | |
| 89 return new (C, 1) ConNNode( TypeNarrowOop::make_from_constant(con) ); | |
| 90 } | |
| 91 | |
| 92 }; | |
| 93 | |
| 94 | |
| 81 //------------------------------ConLNode--------------------------------------- | 95 //------------------------------ConLNode--------------------------------------- |
| 82 // Simple long constants | 96 // Simple long constants |
| 83 class ConLNode : public ConNode { | 97 class ConLNode : public ConNode { |
| 84 public: | 98 public: |
| 85 ConLNode( const TypeLong *t ) : ConNode(t) {} | 99 ConLNode( const TypeLong *t ) : ConNode(t) {} |
| 252 // No longer remove CheckCast after CCP as it gives me a place to hang | 266 // No longer remove CheckCast after CCP as it gives me a place to hang |
| 253 // the proper address type - which is required to compute anti-deps. | 267 // the proper address type - which is required to compute anti-deps. |
| 254 //virtual Node *Ideal_DU_postCCP( PhaseCCP * ); | 268 //virtual Node *Ideal_DU_postCCP( PhaseCCP * ); |
| 255 }; | 269 }; |
| 256 | 270 |
| 271 | |
| 272 //------------------------------EncodeP-------------------------------- | |
| 273 // Encodes an oop pointers into its compressed form | |
| 274 // Takes an extra argument which is the real heap base as a long which | |
| 275 // may be useful for code generation in the backend. | |
| 276 class EncodePNode : public TypeNode { | |
| 277 public: | |
| 278 EncodePNode(Node* value, const Type* type): | |
| 279 TypeNode(type, 2) { | |
| 280 init_req(0, NULL); | |
| 281 init_req(1, value); | |
| 282 } | |
| 283 virtual int Opcode() const; | |
| 284 virtual Node *Identity( PhaseTransform *phase ); | |
| 285 virtual uint ideal_reg() const { return Op_RegN; } | |
| 286 | |
| 287 static Node* encode(PhaseGVN* phase, Node* value); | |
| 288 }; | |
| 289 | |
| 290 //------------------------------DecodeN-------------------------------- | |
| 291 // Converts a narrow oop into a real oop ptr. | |
| 292 // Takes an extra argument which is the real heap base as a long which | |
| 293 // may be useful for code generation in the backend. | |
| 294 class DecodeNNode : public TypeNode { | |
| 295 public: | |
| 296 DecodeNNode(Node* value, const Type* type): | |
| 297 TypeNode(type, 2) { | |
| 298 init_req(0, NULL); | |
| 299 init_req(1, value); | |
| 300 } | |
| 301 virtual int Opcode() const; | |
| 302 virtual Node *Identity( PhaseTransform *phase ); | |
| 303 virtual uint ideal_reg() const { return Op_RegP; } | |
| 304 }; | |
| 305 | |
| 257 //------------------------------Conv2BNode------------------------------------- | 306 //------------------------------Conv2BNode------------------------------------- |
| 258 // Convert int/pointer to a Boolean. Map zero to zero, all else to 1. | 307 // Convert int/pointer to a Boolean. Map zero to zero, all else to 1. |
| 259 class Conv2BNode : public Node { | 308 class Conv2BNode : public Node { |
| 260 public: | 309 public: |
| 261 Conv2BNode( Node *i ) : Node(0,i) {} | 310 Conv2BNode( Node *i ) : Node(0,i) {} |
