diff options
| author | Ali Ijaz Sheikh <ofrobots@google.com> | 2015-11-30 21:22:40 -0800 |
|---|---|---|
| committer | Ali Ijaz Sheikh <ofrobots@google.com> | 2015-12-04 00:06:01 -0800 |
| commit | 8a43a3d7619fde59f0d1f2fad05d8ae7d1732b02 (patch) | |
| tree | 8698af91526d0eac90840dcba1e5b565160105c4 /deps/v8/src/interpreter/bytecodes.h | |
| parent | 8a2acd4cc9807510786b4b6f7ad3a947aeb3a14c (diff) | |
| download | node-new-8a43a3d7619fde59f0d1f2fad05d8ae7d1732b02.tar.gz | |
deps: upgrade V8 to 4.7.80.24
Pick up the latest branch head for V8 4.7:
https://github.com/v8/v8/commit/be169f8df059040e6a53ec1dd4579d8bca2167b5
Full change history for the 4.7 branch:
https://chromium.googlesource.com/v8/v8.git/+log/branch-heads/4.7
V8 blog post about what is new on V8 4.7:
http://v8project.blogspot.de/2015/10/v8-release-47.html
PR-URL: https://github.com/nodejs/node/pull/4106
Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: rvagg - Rod Vagg <rod@vagg.org>
Diffstat (limited to 'deps/v8/src/interpreter/bytecodes.h')
| -rw-r--r-- | deps/v8/src/interpreter/bytecodes.h | 123 |
1 files changed, 100 insertions, 23 deletions
diff --git a/deps/v8/src/interpreter/bytecodes.h b/deps/v8/src/interpreter/bytecodes.h index fec6ecf6aa..3862842277 100644 --- a/deps/v8/src/interpreter/bytecodes.h +++ b/deps/v8/src/interpreter/bytecodes.h @@ -18,32 +18,71 @@ namespace interpreter { // The list of operand types used by bytecodes. #define OPERAND_TYPE_LIST(V) \ V(None) \ + V(Count) \ V(Imm8) \ + V(Idx) \ V(Reg) // The list of bytecodes which are interpreted by the interpreter. -#define BYTECODE_LIST(V) \ - \ - /* Loading the accumulator */ \ - V(LdaZero, OperandType::kNone) \ - V(LdaSmi8, OperandType::kImm8) \ - V(LdaUndefined, OperandType::kNone) \ - V(LdaNull, OperandType::kNone) \ - V(LdaTheHole, OperandType::kNone) \ - V(LdaTrue, OperandType::kNone) \ - V(LdaFalse, OperandType::kNone) \ - \ - /* Register-accumulator transfers */ \ - V(Ldar, OperandType::kReg) \ - V(Star, OperandType::kReg) \ - \ - /* Binary Operators */ \ - V(Add, OperandType::kReg) \ - V(Sub, OperandType::kReg) \ - V(Mul, OperandType::kReg) \ - V(Div, OperandType::kReg) \ - \ - /* Control Flow */ \ +#define BYTECODE_LIST(V) \ + \ + /* Loading the accumulator */ \ + V(LdaZero, OperandType::kNone) \ + V(LdaSmi8, OperandType::kImm8) \ + V(LdaConstant, OperandType::kIdx) \ + V(LdaUndefined, OperandType::kNone) \ + V(LdaNull, OperandType::kNone) \ + V(LdaTheHole, OperandType::kNone) \ + V(LdaTrue, OperandType::kNone) \ + V(LdaFalse, OperandType::kNone) \ + \ + /* Load globals */ \ + V(LdaGlobal, OperandType::kIdx) \ + \ + /* Register-accumulator transfers */ \ + V(Ldar, OperandType::kReg) \ + V(Star, OperandType::kReg) \ + \ + /* LoadIC operations */ \ + V(LoadIC, OperandType::kReg, OperandType::kIdx) \ + V(KeyedLoadIC, OperandType::kReg, OperandType::kIdx) \ + \ + /* StoreIC operations */ \ + V(StoreIC, OperandType::kReg, OperandType::kReg, OperandType::kIdx) \ + V(KeyedStoreIC, OperandType::kReg, OperandType::kReg, OperandType::kIdx) \ + \ + /* Binary Operators */ \ + V(Add, OperandType::kReg) \ + V(Sub, OperandType::kReg) \ + V(Mul, OperandType::kReg) \ + V(Div, OperandType::kReg) \ + V(Mod, OperandType::kReg) \ + \ + /* Call operations. */ \ + V(Call, OperandType::kReg, OperandType::kReg, OperandType::kCount) \ + \ + /* Test Operators */ \ + V(TestEqual, OperandType::kReg) \ + V(TestNotEqual, OperandType::kReg) \ + V(TestEqualStrict, OperandType::kReg) \ + V(TestNotEqualStrict, OperandType::kReg) \ + V(TestLessThan, OperandType::kReg) \ + V(TestGreaterThan, OperandType::kReg) \ + V(TestLessThanOrEqual, OperandType::kReg) \ + V(TestGreaterThanOrEqual, OperandType::kReg) \ + V(TestInstanceOf, OperandType::kReg) \ + V(TestIn, OperandType::kReg) \ + \ + /* Cast operators */ \ + V(ToBoolean, OperandType::kNone) \ + \ + /* Control Flow */ \ + V(Jump, OperandType::kImm8) \ + V(JumpConstant, OperandType::kIdx) \ + V(JumpIfTrue, OperandType::kImm8) \ + V(JumpIfTrueConstant, OperandType::kIdx) \ + V(JumpIfFalse, OperandType::kImm8) \ + V(JumpIfFalseConstant, OperandType::kIdx) \ V(Return, OperandType::kNone) @@ -73,6 +112,43 @@ enum class Bytecode : uint8_t { }; +// An interpreter register which is located in the function's register file +// in its stack-frame. Register hold parameters, this, and expression values. +class Register { + public: + static const int kMaxRegisterIndex = 127; + static const int kMinRegisterIndex = -128; + + Register() : index_(kIllegalIndex) {} + + explicit Register(int index) : index_(index) { + DCHECK_LE(index_, kMaxRegisterIndex); + DCHECK_GE(index_, kMinRegisterIndex); + } + + int index() const { + DCHECK(index_ != kIllegalIndex); + return index_; + } + bool is_parameter() const { return index() < 0; } + + static Register FromParameterIndex(int index, int parameter_count); + int ToParameterIndex(int parameter_count) const; + static int MaxParameterIndex(); + + static Register FromOperand(uint8_t operand); + uint8_t ToOperand() const; + + private: + static const int kIllegalIndex = kMaxInt; + + void* operator new(size_t size); + void operator delete(void* p); + + int index_; +}; + + class Bytecodes { public: // Returns string representation of |bytecode|. @@ -103,7 +179,8 @@ class Bytecodes { static int MaximumSize(); // Decode a single bytecode and operands to |os|. - static std::ostream& Decode(std::ostream& os, const uint8_t* bytecode_start); + static std::ostream& Decode(std::ostream& os, const uint8_t* bytecode_start, + int number_of_parameters); private: DISALLOW_IMPLICIT_CONSTRUCTORS(Bytecodes); |