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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 #include "src/interpreter/bytecode-array-iterator.h" | 5 #include "src/interpreter/bytecode-array-iterator.h" |
6 | 6 |
7 #include "src/objects-inl.h" | 7 #include "src/objects-inl.h" |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
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52 } | 52 } |
53 } | 53 } |
54 | 54 |
55 | 55 |
56 int8_t BytecodeArrayIterator::GetImmediateOperand(int operand_index) const { | 56 int8_t BytecodeArrayIterator::GetImmediateOperand(int operand_index) const { |
57 uint32_t operand = GetRawOperand(operand_index, OperandType::kImm8); | 57 uint32_t operand = GetRawOperand(operand_index, OperandType::kImm8); |
58 return static_cast<int8_t>(operand); | 58 return static_cast<int8_t>(operand); |
59 } | 59 } |
60 | 60 |
61 | 61 |
62 int BytecodeArrayIterator::GetCountOperand(int operand_index) const { | |
63 uint32_t operand = GetRawOperand(operand_index, OperandType::kCount8); | |
64 return static_cast<int>(operand); | |
65 } | |
66 | |
67 | |
68 int BytecodeArrayIterator::GetIndexOperand(int operand_index) const { | 62 int BytecodeArrayIterator::GetIndexOperand(int operand_index) const { |
69 OperandSize size = | 63 OperandSize size = |
70 Bytecodes::GetOperandSize(current_bytecode(), operand_index); | 64 Bytecodes::GetOperandSize(current_bytecode(), operand_index); |
71 OperandType type = | 65 OperandType type = |
72 (size == OperandSize::kByte) ? OperandType::kIdx8 : OperandType::kIdx16; | 66 (size == OperandSize::kByte) ? OperandType::kIdx8 : OperandType::kIdx16; |
73 uint32_t operand = GetRawOperand(operand_index, type); | 67 uint32_t operand = GetRawOperand(operand_index, type); |
74 return static_cast<int>(operand); | 68 return static_cast<int>(operand); |
75 } | 69 } |
76 | 70 |
77 | 71 |
78 Register BytecodeArrayIterator::GetRegisterOperand(int operand_index) const { | 72 Register BytecodeArrayIterator::GetRegisterOperand(int operand_index) const { |
79 uint32_t operand = GetRawOperand(operand_index, OperandType::kReg8); | 73 uint32_t operand = GetRawOperand(operand_index, OperandType::kReg8); |
80 return Register::FromOperand(operand); | 74 return Register::FromOperand(operand); |
81 } | 75 } |
82 | 76 |
83 | 77 |
84 Handle<Object> BytecodeArrayIterator::GetConstantForIndexOperand( | 78 Handle<Object> BytecodeArrayIterator::GetConstantForIndexOperand( |
85 int operand_index) const { | 79 int operand_index) const { |
86 Handle<FixedArray> constants = handle(bytecode_array()->constant_pool()); | 80 Handle<FixedArray> constants = handle(bytecode_array()->constant_pool()); |
87 return FixedArray::get(constants, GetIndexOperand(operand_index)); | 81 return FixedArray::get(constants, GetIndexOperand(operand_index)); |
88 } | 82 } |
89 | 83 |
90 } // namespace interpreter | 84 } // namespace interpreter |
91 } // namespace internal | 85 } // namespace internal |
92 } // namespace v8 | 86 } // namespace v8 |
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