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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_COMPILER_INSTRUCTION_SELECTOR_H_ | 5 #ifndef V8_COMPILER_INSTRUCTION_SELECTOR_H_ |
| 6 #define V8_COMPILER_INSTRUCTION_SELECTOR_H_ | 6 #define V8_COMPILER_INSTRUCTION_SELECTOR_H_ |
| 7 | 7 |
| 8 #include <deque> | 8 #include <deque> |
| 9 | 9 |
| 10 #include "src/compiler/common-operator.h" | 10 #include "src/compiler/common-operator.h" |
| 11 #include "src/compiler/instruction.h" | 11 #include "src/compiler/instruction.h" |
| 12 #include "src/compiler/machine-operator.h" | 12 #include "src/compiler/machine-operator.h" |
| 13 #include "src/zone-containers.h" | 13 #include "src/zone-containers.h" |
| 14 | 14 |
| 15 namespace v8 { | 15 namespace v8 { |
| 16 namespace internal { | 16 namespace internal { |
| 17 namespace compiler { | 17 namespace compiler { |
| 18 | 18 |
| 19 // Forward declarations. | 19 // Forward declarations. |
| 20 struct CallBuffer; // TODO(bmeurer): Remove this. | 20 struct CallBuffer; // TODO(bmeurer): Remove this. |
| 21 class FlagsContinuation; | 21 class FlagsContinuation; |
| 22 | 22 |
| 23 class InstructionSelector V8_FINAL { | 23 class InstructionSelector FINAL { |
| 24 public: | 24 public: |
| 25 // Forward declarations. | 25 // Forward declarations. |
| 26 class Features; | 26 class Features; |
| 27 | 27 |
| 28 InstructionSelector(InstructionSequence* sequence, | 28 InstructionSelector(InstructionSequence* sequence, |
| 29 SourcePositionTable* source_positions, | 29 SourcePositionTable* source_positions, |
| 30 Features features = SupportedFeatures()); | 30 Features features = SupportedFeatures()); |
| 31 | 31 |
| 32 // Visit code for the entire graph with the included schedule. | 32 // Visit code for the entire graph with the included schedule. |
| 33 void SelectInstructions(); | 33 void SelectInstructions(); |
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| 55 Instruction* Emit(InstructionCode opcode, size_t output_count, | 55 Instruction* Emit(InstructionCode opcode, size_t output_count, |
| 56 InstructionOperand** outputs, size_t input_count, | 56 InstructionOperand** outputs, size_t input_count, |
| 57 InstructionOperand** inputs, size_t temp_count = 0, | 57 InstructionOperand** inputs, size_t temp_count = 0, |
| 58 InstructionOperand* *temps = NULL); | 58 InstructionOperand* *temps = NULL); |
| 59 Instruction* Emit(Instruction* instr); | 59 Instruction* Emit(Instruction* instr); |
| 60 | 60 |
| 61 // =========================================================================== | 61 // =========================================================================== |
| 62 // ============== Architecture-independent CPU feature methods. ============== | 62 // ============== Architecture-independent CPU feature methods. ============== |
| 63 // =========================================================================== | 63 // =========================================================================== |
| 64 | 64 |
| 65 class Features V8_FINAL { | 65 class Features FINAL { |
| 66 public: | 66 public: |
| 67 Features() : bits_(0) {} | 67 Features() : bits_(0) {} |
| 68 explicit Features(unsigned bits) : bits_(bits) {} | 68 explicit Features(unsigned bits) : bits_(bits) {} |
| 69 explicit Features(CpuFeature f) : bits_(1u << f) {} | 69 explicit Features(CpuFeature f) : bits_(1u << f) {} |
| 70 Features(CpuFeature f1, CpuFeature f2) : bits_((1u << f1) | (1u << f2)) {} | 70 Features(CpuFeature f1, CpuFeature f2) : bits_((1u << f1) | (1u << f2)) {} |
| 71 | 71 |
| 72 bool Contains(CpuFeature f) const { return (bits_ & (1u << f)); } | 72 bool Contains(CpuFeature f) const { return (bits_ & (1u << f)); } |
| 73 | 73 |
| 74 private: | 74 private: |
| 75 unsigned bits_; | 75 unsigned bits_; |
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| 204 ZoneDeque<Instruction*> instructions_; | 204 ZoneDeque<Instruction*> instructions_; |
| 205 BoolVector defined_; | 205 BoolVector defined_; |
| 206 BoolVector used_; | 206 BoolVector used_; |
| 207 }; | 207 }; |
| 208 | 208 |
| 209 } // namespace compiler | 209 } // namespace compiler |
| 210 } // namespace internal | 210 } // namespace internal |
| 211 } // namespace v8 | 211 } // namespace v8 |
| 212 | 212 |
| 213 #endif // V8_COMPILER_INSTRUCTION_SELECTOR_H_ | 213 #endif // V8_COMPILER_INSTRUCTION_SELECTOR_H_ |
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