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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_BYTECODES_H_ | 5 #ifndef V8_INTERPRETER_BYTECODES_H_ |
| 6 #define V8_INTERPRETER_BYTECODES_H_ | 6 #define V8_INTERPRETER_BYTECODES_H_ |
| 7 | 7 |
| 8 #include <cstdint> | 8 #include <cstdint> |
| 9 #include <iosfwd> | 9 #include <iosfwd> |
| 10 #include <string> | 10 #include <string> |
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| 147 V(TypeOf, AccumulatorUse::kReadWrite) \ | 147 V(TypeOf, AccumulatorUse::kReadWrite) \ |
| 148 V(DeletePropertyStrict, AccumulatorUse::kReadWrite, OperandType::kReg) \ | 148 V(DeletePropertyStrict, AccumulatorUse::kReadWrite, OperandType::kReg) \ |
| 149 V(DeletePropertySloppy, AccumulatorUse::kReadWrite, OperandType::kReg) \ | 149 V(DeletePropertySloppy, AccumulatorUse::kReadWrite, OperandType::kReg) \ |
| 150 \ | 150 \ |
| 151 /* GetSuperConstructor operator */ \ | 151 /* GetSuperConstructor operator */ \ |
| 152 V(GetSuperConstructor, AccumulatorUse::kRead, OperandType::kRegOut) \ | 152 V(GetSuperConstructor, AccumulatorUse::kRead, OperandType::kRegOut) \ |
| 153 \ | 153 \ |
| 154 /* Call operations */ \ | 154 /* Call operations */ \ |
| 155 V(Call, AccumulatorUse::kWrite, OperandType::kReg, OperandType::kRegList, \ | 155 V(Call, AccumulatorUse::kWrite, OperandType::kReg, OperandType::kRegList, \ |
| 156 OperandType::kRegCount, OperandType::kIdx) \ | 156 OperandType::kRegCount, OperandType::kIdx) \ |
| 157 V(Call0, AccumulatorUse::kWrite, OperandType::kReg, OperandType::kReg, \ | |
| 158 OperandType::kIdx) \ | |
| 159 V(Call1, AccumulatorUse::kWrite, OperandType::kReg, OperandType::kReg, \ | |
| 160 OperandType::kReg, OperandType::kIdx) \ | |
| 161 V(Call2, AccumulatorUse::kWrite, OperandType::kReg, OperandType::kReg, \ | |
| 162 OperandType::kReg, OperandType::kReg, OperandType::kIdx) \ | |
| 163 V(CallProperty, AccumulatorUse::kWrite, OperandType::kReg, \ | 157 V(CallProperty, AccumulatorUse::kWrite, OperandType::kReg, \ |
| 164 OperandType::kRegList, OperandType::kRegCount, OperandType::kIdx) \ | 158 OperandType::kRegList, OperandType::kRegCount, OperandType::kIdx) \ |
| 165 V(CallProperty0, AccumulatorUse::kWrite, OperandType::kReg, \ | |
| 166 OperandType::kReg, OperandType::kIdx) \ | |
| 167 V(CallProperty1, AccumulatorUse::kWrite, OperandType::kReg, \ | |
| 168 OperandType::kReg, OperandType::kReg, OperandType::kIdx) \ | |
| 169 V(CallProperty2, AccumulatorUse::kWrite, OperandType::kReg, \ | |
| 170 OperandType::kReg, OperandType::kReg, OperandType::kReg, \ | |
| 171 OperandType::kIdx) \ | |
| 172 V(CallWithSpread, AccumulatorUse::kWrite, OperandType::kReg, \ | 159 V(CallWithSpread, AccumulatorUse::kWrite, OperandType::kReg, \ |
| 173 OperandType::kRegList, OperandType::kRegCount) \ | 160 OperandType::kRegList, OperandType::kRegCount) \ |
| 174 V(TailCall, AccumulatorUse::kWrite, OperandType::kReg, \ | 161 V(TailCall, AccumulatorUse::kWrite, OperandType::kReg, \ |
| 175 OperandType::kRegList, OperandType::kRegCount, OperandType::kIdx) \ | 162 OperandType::kRegList, OperandType::kRegCount, OperandType::kIdx) \ |
| 176 V(CallRuntime, AccumulatorUse::kWrite, OperandType::kRuntimeId, \ | 163 V(CallRuntime, AccumulatorUse::kWrite, OperandType::kRuntimeId, \ |
| 177 OperandType::kRegList, OperandType::kRegCount) \ | 164 OperandType::kRegList, OperandType::kRegCount) \ |
| 178 V(CallRuntimeForPair, AccumulatorUse::kNone, OperandType::kRuntimeId, \ | 165 V(CallRuntimeForPair, AccumulatorUse::kNone, OperandType::kRuntimeId, \ |
| 179 OperandType::kRegList, OperandType::kRegCount, OperandType::kRegOutPair) \ | 166 OperandType::kRegList, OperandType::kRegCount, OperandType::kRegOutPair) \ |
| 180 V(CallJSRuntime, AccumulatorUse::kWrite, OperandType::kIdx, \ | 167 V(CallJSRuntime, AccumulatorUse::kWrite, OperandType::kIdx, \ |
| 181 OperandType::kRegList, OperandType::kRegCount) \ | 168 OperandType::kRegList, OperandType::kRegCount) \ |
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| 413 #define COUNT_BYTECODE(x, ...) +1 | 400 #define COUNT_BYTECODE(x, ...) +1 |
| 414 // The COUNT_BYTECODE macro will turn this into kLast = -1 +1 +1... which will | 401 // The COUNT_BYTECODE macro will turn this into kLast = -1 +1 +1... which will |
| 415 // evaluate to the same value as the last real bytecode. | 402 // evaluate to the same value as the last real bytecode. |
| 416 kLast = -1 BYTECODE_LIST(COUNT_BYTECODE) | 403 kLast = -1 BYTECODE_LIST(COUNT_BYTECODE) |
| 417 #undef COUNT_BYTECODE | 404 #undef COUNT_BYTECODE |
| 418 }; | 405 }; |
| 419 | 406 |
| 420 class V8_EXPORT_PRIVATE Bytecodes final { | 407 class V8_EXPORT_PRIVATE Bytecodes final { |
| 421 public: | 408 public: |
| 422 // The maximum number of operands a bytecode may have. | 409 // The maximum number of operands a bytecode may have. |
| 423 static const int kMaxOperands = 5; | 410 static const int kMaxOperands = 4; |
| 424 | 411 |
| 425 // Returns string representation of |bytecode|. | 412 // Returns string representation of |bytecode|. |
| 426 static const char* ToString(Bytecode bytecode); | 413 static const char* ToString(Bytecode bytecode); |
| 427 | 414 |
| 428 // Returns string representation of |bytecode|. | 415 // Returns string representation of |bytecode|. |
| 429 static std::string ToString(Bytecode bytecode, OperandScale operand_scale); | 416 static std::string ToString(Bytecode bytecode, OperandScale operand_scale); |
| 430 | 417 |
| 431 // Returns byte value of bytecode. | 418 // Returns byte value of bytecode. |
| 432 static uint8_t ToByte(Bytecode bytecode) { | 419 static uint8_t ToByte(Bytecode bytecode) { |
| 433 DCHECK_LE(bytecode, Bytecode::kLast); | 420 DCHECK_LE(bytecode, Bytecode::kLast); |
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| 627 } | 614 } |
| 628 | 615 |
| 629 // Returns true if |bytecode| puts a name in the accumulator. | 616 // Returns true if |bytecode| puts a name in the accumulator. |
| 630 static constexpr bool PutsNameInAccumulator(Bytecode bytecode) { | 617 static constexpr bool PutsNameInAccumulator(Bytecode bytecode) { |
| 631 return bytecode == Bytecode::kTypeOf; | 618 return bytecode == Bytecode::kTypeOf; |
| 632 } | 619 } |
| 633 | 620 |
| 634 // Returns true if the bytecode is a call or a constructor call. | 621 // Returns true if the bytecode is a call or a constructor call. |
| 635 static constexpr bool IsCallOrConstruct(Bytecode bytecode) { | 622 static constexpr bool IsCallOrConstruct(Bytecode bytecode) { |
| 636 return bytecode == Bytecode::kCall || bytecode == Bytecode::kCallProperty || | 623 return bytecode == Bytecode::kCall || bytecode == Bytecode::kCallProperty || |
| 637 bytecode == Bytecode::kCall0 || | |
| 638 bytecode == Bytecode::kCallProperty0 || | |
| 639 bytecode == Bytecode::kCall1 || | |
| 640 bytecode == Bytecode::kCallProperty1 || | |
| 641 bytecode == Bytecode::kCall2 || | |
| 642 bytecode == Bytecode::kCallProperty2 || | |
| 643 bytecode == Bytecode::kTailCall || | 624 bytecode == Bytecode::kTailCall || |
| 644 bytecode == Bytecode::kConstruct || | 625 bytecode == Bytecode::kConstruct || |
| 645 bytecode == Bytecode::kCallWithSpread || | 626 bytecode == Bytecode::kCallWithSpread || |
| 646 bytecode == Bytecode::kConstructWithSpread || | 627 bytecode == Bytecode::kConstructWithSpread || |
| 647 bytecode == Bytecode::kInvokeIntrinsic || | 628 bytecode == Bytecode::kInvokeIntrinsic || |
| 648 bytecode == Bytecode::kCallJSRuntime; | 629 bytecode == Bytecode::kCallJSRuntime; |
| 649 } | 630 } |
| 650 | 631 |
| 651 // Returns true if the bytecode is a call to the runtime. | 632 // Returns true if the bytecode is a call to the runtime. |
| 652 static constexpr bool IsCallRuntime(Bytecode bytecode) { | 633 static constexpr bool IsCallRuntime(Bytecode bytecode) { |
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| 853 }; | 834 }; |
| 854 | 835 |
| 855 V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& os, | 836 V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& os, |
| 856 const Bytecode& bytecode); | 837 const Bytecode& bytecode); |
| 857 | 838 |
| 858 } // namespace interpreter | 839 } // namespace interpreter |
| 859 } // namespace internal | 840 } // namespace internal |
| 860 } // namespace v8 | 841 } // namespace v8 |
| 861 | 842 |
| 862 #endif // V8_INTERPRETER_BYTECODES_H_ | 843 #endif // V8_INTERPRETER_BYTECODES_H_ |
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