Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/connode.hpp
src/share/vm/opto/connode.hpp
- changeset 8285
- 535618ab1c04
- parent 7789
- eb8b5cc64669
- child 8604
- 04d83ba48607
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| 8282:16f7b676725a | 8285:535618ab1c04 |
|---|---|
| 242 // cast integer to integer (different range) | 242 // cast integer to integer (different range) |
| 243 class CastIINode: public ConstraintCastNode { | 243 class CastIINode: public ConstraintCastNode { |
| 244 private: | 244 private: |
| 245 // Can this node be removed post CCP or does it carry a required dependency? | 245 // Can this node be removed post CCP or does it carry a required dependency? |
| 246 const bool _carry_dependency; | 246 const bool _carry_dependency; |
| 247 // Is this node dependent on a range check? | |
| 248 const bool _range_check_dependency; | |
| 247 | 249 |
| 248 protected: | 250 protected: |
| 249 virtual uint cmp( const Node &n ) const; | 251 virtual uint cmp( const Node &n ) const; |
| 250 virtual uint size_of() const; | 252 virtual uint size_of() const; |
| 251 | 253 |
| 252 public: | 254 public: |
| 253 CastIINode(Node *n, const Type *t, bool carry_dependency = false) | 255 CastIINode(Node *n, const Type *t, bool carry_dependency = false, bool range_check_dependency = false) |
| 254 : ConstraintCastNode(n,t), _carry_dependency(carry_dependency) {} | 256 : ConstraintCastNode(n,t), _carry_dependency(carry_dependency), _range_check_dependency(range_check_dependency) { |
| 257 init_class_id(Class_CastII); | |
| 258 } | |
| 255 virtual int Opcode() const; | 259 virtual int Opcode() const; |
| 256 virtual uint ideal_reg() const { return Op_RegI; } | 260 virtual uint ideal_reg() const { return Op_RegI; } |
| 257 virtual Node *Identity( PhaseTransform *phase ); | 261 virtual Node *Identity( PhaseTransform *phase ); |
| 258 virtual const Type *Value( PhaseTransform *phase ) const; | 262 virtual const Type *Value( PhaseTransform *phase ) const; |
| 259 virtual Node *Ideal_DU_postCCP( PhaseCCP * ); | 263 virtual Node *Ideal_DU_postCCP( PhaseCCP * ); |
| 264 const bool has_range_check() { | |
| 265 #ifdef _LP64 | |
| 266 return _range_check_dependency; | |
| 267 #else | |
| 268 assert(!_range_check_dependency, "Should not have range check dependency"); | |
| 269 return false; | |
| 270 #endif | |
| 271 } | |
| 260 #ifndef PRODUCT | 272 #ifndef PRODUCT |
| 261 virtual void dump_spec(outputStream *st) const; | 273 virtual void dump_spec(outputStream *st) const; |
| 262 #endif | 274 #endif |
| 263 }; | 275 }; |
| 264 | 276 |
