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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ | 5 #ifndef V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ |
6 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ | 6 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "src/ast.h" | 10 #include "src/ast.h" |
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68 int feedback_slot, | 68 int feedback_slot, |
69 LanguageMode language_mode); | 69 LanguageMode language_mode); |
70 | 70 |
71 // Call a JS function. The JSFunction or Callable to be called should be in | 71 // Call a JS function. The JSFunction or Callable to be called should be in |
72 // |callable|, the receiver should be in |receiver| and all subsequent | 72 // |callable|, the receiver should be in |receiver| and all subsequent |
73 // arguments should be in registers <receiver + 1> to | 73 // arguments should be in registers <receiver + 1> to |
74 // <receiver + 1 + arg_count>. | 74 // <receiver + 1 + arg_count>. |
75 BytecodeArrayBuilder& Call(Register callable, Register receiver, | 75 BytecodeArrayBuilder& Call(Register callable, Register receiver, |
76 size_t arg_count); | 76 size_t arg_count); |
77 | 77 |
| 78 // Call the runtime function with |function_id|. The first argument should be |
| 79 // in |first_arg| and all subsequent arguments should be in registers |
| 80 // <first_arg + 1> to <first_arg + 1 + arg_count>. |
| 81 BytecodeArrayBuilder& CallRuntime(Runtime::FunctionId function_id, |
| 82 Register first_arg, size_t arg_count); |
| 83 |
78 // Operators (register == lhs, accumulator = rhs). | 84 // Operators (register == lhs, accumulator = rhs). |
79 BytecodeArrayBuilder& BinaryOperation(Token::Value binop, Register reg); | 85 BytecodeArrayBuilder& BinaryOperation(Token::Value binop, Register reg); |
80 | 86 |
81 // Tests. | 87 // Tests. |
82 BytecodeArrayBuilder& CompareOperation(Token::Value op, Register reg, | 88 BytecodeArrayBuilder& CompareOperation(Token::Value op, Register reg, |
83 LanguageMode language_mode); | 89 LanguageMode language_mode); |
84 | 90 |
85 // Casts | 91 // Casts |
86 BytecodeArrayBuilder& CastAccumulatorToBoolean(); | 92 BytecodeArrayBuilder& CastAccumulatorToBoolean(); |
87 | 93 |
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100 // Accessors | 106 // Accessors |
101 Zone* zone() const { return zone_; } | 107 Zone* zone() const { return zone_; } |
102 | 108 |
103 private: | 109 private: |
104 ZoneVector<uint8_t>* bytecodes() { return &bytecodes_; } | 110 ZoneVector<uint8_t>* bytecodes() { return &bytecodes_; } |
105 const ZoneVector<uint8_t>* bytecodes() const { return &bytecodes_; } | 111 const ZoneVector<uint8_t>* bytecodes() const { return &bytecodes_; } |
106 Isolate* isolate() const { return isolate_; } | 112 Isolate* isolate() const { return isolate_; } |
107 | 113 |
108 static Bytecode BytecodeForBinaryOperation(Token::Value op); | 114 static Bytecode BytecodeForBinaryOperation(Token::Value op); |
109 static Bytecode BytecodeForCompareOperation(Token::Value op); | 115 static Bytecode BytecodeForCompareOperation(Token::Value op); |
110 static bool FitsInIdxOperand(int value); | 116 |
111 static bool FitsInIdxOperand(size_t value); | 117 static bool FitsInIdx8Operand(int value); |
| 118 static bool FitsInIdx8Operand(size_t value); |
112 static bool FitsInImm8Operand(int value); | 119 static bool FitsInImm8Operand(int value); |
| 120 static bool FitsInIdx16Operand(int value); |
| 121 |
113 static Bytecode GetJumpWithConstantOperand(Bytecode jump_with_smi8_operand); | 122 static Bytecode GetJumpWithConstantOperand(Bytecode jump_with_smi8_operand); |
114 | 123 |
115 template <size_t N> | 124 template <size_t N> |
116 INLINE(void Output(Bytecode bytecode, uint32_t(&oprands)[N])); | 125 INLINE(void Output(Bytecode bytecode, uint32_t(&oprands)[N])); |
117 void Output(Bytecode bytecode, uint32_t operand0, uint32_t operand1, | 126 void Output(Bytecode bytecode, uint32_t operand0, uint32_t operand1, |
118 uint32_t operand2); | 127 uint32_t operand2); |
119 void Output(Bytecode bytecode, uint32_t operand0, uint32_t operand1); | 128 void Output(Bytecode bytecode, uint32_t operand0, uint32_t operand1); |
120 void Output(Bytecode bytecode, uint32_t operand0); | 129 void Output(Bytecode bytecode, uint32_t operand0); |
121 void Output(Bytecode bytecode); | 130 void Output(Bytecode bytecode); |
| 131 |
122 BytecodeArrayBuilder& OutputJump(Bytecode jump_bytecode, | 132 BytecodeArrayBuilder& OutputJump(Bytecode jump_bytecode, |
123 BytecodeLabel* label); | 133 BytecodeLabel* label); |
124 void PatchJump(const ZoneVector<uint8_t>::iterator& jump_target, | 134 void PatchJump(const ZoneVector<uint8_t>::iterator& jump_target, |
125 ZoneVector<uint8_t>::iterator jump_location); | 135 ZoneVector<uint8_t>::iterator jump_location); |
126 | 136 |
127 void EnsureReturn(); | 137 void EnsureReturn(); |
128 | 138 |
129 bool OperandIsValid(Bytecode bytecode, int operand_index, | 139 bool OperandIsValid(Bytecode bytecode, int operand_index, |
130 uint32_t operand_value) const; | 140 uint32_t operand_value) const; |
131 bool LastBytecodeInSameBlock() const; | 141 bool LastBytecodeInSameBlock() const; |
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213 | 223 |
214 DISALLOW_COPY_AND_ASSIGN(TemporaryRegisterScope); | 224 DISALLOW_COPY_AND_ASSIGN(TemporaryRegisterScope); |
215 }; | 225 }; |
216 | 226 |
217 | 227 |
218 } // namespace interpreter | 228 } // namespace interpreter |
219 } // namespace internal | 229 } // namespace internal |
220 } // namespace v8 | 230 } // namespace v8 |
221 | 231 |
222 #endif // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ | 232 #endif // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ |
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