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Side by Side Diff: src/interpreter/bytecode-array-iterator.h

Issue 2085823003: Revert of [Interpreter] Map runtime id's to intrinsic id's in InvokeIntrinsic bytecode. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 6 months ago
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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_ITERATOR_H_ 5 #ifndef V8_INTERPRETER_BYTECODE_ARRAY_ITERATOR_H_
6 #define V8_INTERPRETER_BYTECODE_ARRAY_ITERATOR_H_ 6 #define V8_INTERPRETER_BYTECODE_ARRAY_ITERATOR_H_
7 7
8 #include "src/handles.h" 8 #include "src/handles.h"
9 #include "src/interpreter/bytecodes.h" 9 #include "src/interpreter/bytecodes.h"
10 #include "src/objects.h" 10 #include "src/objects.h"
11 #include "src/runtime/runtime.h"
12 11
13 namespace v8 { 12 namespace v8 {
14 namespace internal { 13 namespace internal {
15 namespace interpreter { 14 namespace interpreter {
16 15
17 class BytecodeArrayIterator { 16 class BytecodeArrayIterator {
18 public: 17 public:
19 explicit BytecodeArrayIterator(Handle<BytecodeArray> bytecode_array); 18 explicit BytecodeArrayIterator(Handle<BytecodeArray> bytecode_array);
20 19
21 void Advance(); 20 void Advance();
22 bool done() const; 21 bool done() const;
23 Bytecode current_bytecode() const; 22 Bytecode current_bytecode() const;
24 int current_bytecode_size() const; 23 int current_bytecode_size() const;
25 int current_offset() const { return bytecode_offset_; } 24 int current_offset() const { return bytecode_offset_; }
26 OperandScale current_operand_scale() const { return operand_scale_; } 25 OperandScale current_operand_scale() const { return operand_scale_; }
27 int current_prefix_offset() const { return prefix_offset_; } 26 int current_prefix_offset() const { return prefix_offset_; }
28 const Handle<BytecodeArray>& bytecode_array() const { 27 const Handle<BytecodeArray>& bytecode_array() const {
29 return bytecode_array_; 28 return bytecode_array_;
30 } 29 }
31 30
32 uint32_t GetFlagOperand(int operand_index) const; 31 uint32_t GetFlagOperand(int operand_index) const;
33 int32_t GetImmediateOperand(int operand_index) const; 32 int32_t GetImmediateOperand(int operand_index) const;
34 uint32_t GetIndexOperand(int operand_index) const; 33 uint32_t GetIndexOperand(int operand_index) const;
35 uint32_t GetRegisterCountOperand(int operand_index) const; 34 uint32_t GetRegisterCountOperand(int operand_index) const;
36 Register GetRegisterOperand(int operand_index) const; 35 Register GetRegisterOperand(int operand_index) const;
37 int GetRegisterOperandRange(int operand_index) const; 36 int GetRegisterOperandRange(int operand_index) const;
38 Runtime::FunctionId GetRuntimeIdOperand(int operand_index) const; 37 uint32_t GetRuntimeIdOperand(int operand_index) const;
39 Runtime::FunctionId GetIntrinsicIdOperand(int operand_index) const;
40 Handle<Object> GetConstantForIndexOperand(int operand_index) const; 38 Handle<Object> GetConstantForIndexOperand(int operand_index) const;
41 39
42 // Returns the absolute offset of the branch target at the current 40 // Returns the absolute offset of the branch target at the current
43 // bytecode. It is an error to call this method if the bytecode is 41 // bytecode. It is an error to call this method if the bytecode is
44 // not for a jump or conditional jump. 42 // not for a jump or conditional jump.
45 int GetJumpTargetOffset() const; 43 int GetJumpTargetOffset() const;
46 44
47 private: 45 private:
48 uint32_t GetUnsignedOperand(int operand_index, 46 uint32_t GetUnsignedOperand(int operand_index,
49 OperandType operand_type) const; 47 OperandType operand_type) const;
50 int32_t GetSignedOperand(int operand_index, OperandType operand_type) const; 48 int32_t GetSignedOperand(int operand_index, OperandType operand_type) const;
51 49
52 void UpdateOperandScale(); 50 void UpdateOperandScale();
53 51
54 Handle<BytecodeArray> bytecode_array_; 52 Handle<BytecodeArray> bytecode_array_;
55 int bytecode_offset_; 53 int bytecode_offset_;
56 OperandScale operand_scale_; 54 OperandScale operand_scale_;
57 int prefix_offset_; 55 int prefix_offset_;
58 56
59 DISALLOW_COPY_AND_ASSIGN(BytecodeArrayIterator); 57 DISALLOW_COPY_AND_ASSIGN(BytecodeArrayIterator);
60 }; 58 };
61 59
62 } // namespace interpreter 60 } // namespace interpreter
63 } // namespace internal 61 } // namespace internal
64 } // namespace v8 62 } // namespace v8
65 63
66 #endif // V8_INTERPRETER_BYTECODE_GRAPH_ITERATOR_H_ 64 #endif // V8_INTERPRETER_BYTECODE_GRAPH_ITERATOR_H_
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