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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_HYDROGEN_INSTRUCTIONS_H_ | 5 #ifndef V8_HYDROGEN_INSTRUCTIONS_H_ |
| 6 #define V8_HYDROGEN_INSTRUCTIONS_H_ | 6 #define V8_HYDROGEN_INSTRUCTIONS_H_ |
| 7 | 7 |
| 8 #include "v8.h" | 8 #include "v8.h" |
| 9 | 9 |
| 10 #include "allocation.h" | 10 #include "allocation.h" |
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| 6399 }; | 6399 }; |
| 6400 | 6400 |
| 6401 class ArrayInstructionInterface { | 6401 class ArrayInstructionInterface { |
| 6402 public: | 6402 public: |
| 6403 virtual HValue* GetKey() = 0; | 6403 virtual HValue* GetKey() = 0; |
| 6404 virtual void SetKey(HValue* key) = 0; | 6404 virtual void SetKey(HValue* key) = 0; |
| 6405 virtual void SetIndexOffset(uint32_t index_offset) = 0; | 6405 virtual void SetIndexOffset(uint32_t index_offset) = 0; |
| 6406 virtual int MaxIndexOffsetBits() = 0; | 6406 virtual int MaxIndexOffsetBits() = 0; |
| 6407 virtual bool IsDehoisted() = 0; | 6407 virtual bool IsDehoisted() = 0; |
| 6408 virtual void SetDehoisted(bool is_dehoisted) = 0; | 6408 virtual void SetDehoisted(bool is_dehoisted) = 0; |
| 6409 virtual ~ArrayInstructionInterface() { }; | 6409 virtual ~ArrayInstructionInterface() { } |
| 6410 | 6410 |
| 6411 static Representation KeyedAccessIndexRequirement(Representation r) { | 6411 static Representation KeyedAccessIndexRequirement(Representation r) { |
| 6412 return r.IsInteger32() || SmiValuesAre32Bits() | 6412 return r.IsInteger32() || SmiValuesAre32Bits() |
| 6413 ? Representation::Integer32() : Representation::Smi(); | 6413 ? Representation::Integer32() : Representation::Smi(); |
| 6414 } | 6414 } |
| 6415 }; | 6415 }; |
| 6416 | 6416 |
| 6417 | 6417 |
| 6418 enum LoadKeyedHoleMode { | 6418 enum LoadKeyedHoleMode { |
| 6419 NEVER_RETURN_HOLE, | 6419 NEVER_RETURN_HOLE, |
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| 7708 virtual bool IsDeletable() const V8_OVERRIDE { return true; } | 7708 virtual bool IsDeletable() const V8_OVERRIDE { return true; } |
| 7709 }; | 7709 }; |
| 7710 | 7710 |
| 7711 | 7711 |
| 7712 #undef DECLARE_INSTRUCTION | 7712 #undef DECLARE_INSTRUCTION |
| 7713 #undef DECLARE_CONCRETE_INSTRUCTION | 7713 #undef DECLARE_CONCRETE_INSTRUCTION |
| 7714 | 7714 |
| 7715 } } // namespace v8::internal | 7715 } } // namespace v8::internal |
| 7716 | 7716 |
| 7717 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 7717 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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