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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-builder.h" | 5 #include "src/interpreter/bytecode-array-builder.h" |
| 6 | 6 |
| 7 namespace v8 { | 7 namespace v8 { |
| 8 namespace internal { | 8 namespace internal { |
| 9 namespace interpreter { | 9 namespace interpreter { |
| 10 | 10 |
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| 419 // static | 419 // static |
| 420 Bytecode BytecodeArrayBuilder::GetJumpWithConstantOperand( | 420 Bytecode BytecodeArrayBuilder::GetJumpWithConstantOperand( |
| 421 Bytecode jump_bytecode) { | 421 Bytecode jump_bytecode) { |
| 422 switch (jump_bytecode) { | 422 switch (jump_bytecode) { |
| 423 case Bytecode::kJump: | 423 case Bytecode::kJump: |
| 424 return Bytecode::kJumpConstant; | 424 return Bytecode::kJumpConstant; |
| 425 case Bytecode::kJumpIfTrue: | 425 case Bytecode::kJumpIfTrue: |
| 426 return Bytecode::kJumpIfTrueConstant; | 426 return Bytecode::kJumpIfTrueConstant; |
| 427 case Bytecode::kJumpIfFalse: | 427 case Bytecode::kJumpIfFalse: |
| 428 return Bytecode::kJumpIfFalseConstant; | 428 return Bytecode::kJumpIfFalseConstant; |
| 429 case Bytecode::kJumpIfToBooleanTrue: |
| 430 return Bytecode::kJumpIfToBooleanTrueConstant; |
| 431 case Bytecode::kJumpIfToBooleanFalse: |
| 432 return Bytecode::kJumpIfToBooleanFalseConstant; |
| 429 default: | 433 default: |
| 430 UNREACHABLE(); | 434 UNREACHABLE(); |
| 431 return Bytecode::kJumpConstant; | 435 return Bytecode::kJumpConstant; |
| 432 } | 436 } |
| 433 } | 437 } |
| 434 | 438 |
| 435 | 439 |
| 436 void BytecodeArrayBuilder::PatchJump( | 440 void BytecodeArrayBuilder::PatchJump( |
| 437 const ZoneVector<uint8_t>::iterator& jump_target, | 441 const ZoneVector<uint8_t>::iterator& jump_target, |
| 438 ZoneVector<uint8_t>::iterator jump_location) { | 442 ZoneVector<uint8_t>::iterator jump_location) { |
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| 507 BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfTrue(BytecodeLabel* label) { | 511 BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfTrue(BytecodeLabel* label) { |
| 508 return OutputJump(Bytecode::kJumpIfTrue, label); | 512 return OutputJump(Bytecode::kJumpIfTrue, label); |
| 509 } | 513 } |
| 510 | 514 |
| 511 | 515 |
| 512 BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfFalse(BytecodeLabel* label) { | 516 BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfFalse(BytecodeLabel* label) { |
| 513 return OutputJump(Bytecode::kJumpIfFalse, label); | 517 return OutputJump(Bytecode::kJumpIfFalse, label); |
| 514 } | 518 } |
| 515 | 519 |
| 516 | 520 |
| 521 BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfToBooleanTrue( |
| 522 BytecodeLabel* label) { |
| 523 return OutputJump(Bytecode::kJumpIfToBooleanTrue, label); |
| 524 } |
| 525 |
| 526 |
| 527 BytecodeArrayBuilder& BytecodeArrayBuilder::JumpIfToBooleanFalse( |
| 528 BytecodeLabel* label) { |
| 529 return OutputJump(Bytecode::kJumpIfToBooleanFalse, label); |
| 530 } |
| 531 |
| 532 |
| 517 BytecodeArrayBuilder& BytecodeArrayBuilder::Return() { | 533 BytecodeArrayBuilder& BytecodeArrayBuilder::Return() { |
| 518 Output(Bytecode::kReturn); | 534 Output(Bytecode::kReturn); |
| 519 return_seen_in_block_ = true; | 535 return_seen_in_block_ = true; |
| 520 return *this; | 536 return *this; |
| 521 } | 537 } |
| 522 | 538 |
| 523 | 539 |
| 524 BytecodeArrayBuilder& BytecodeArrayBuilder::EnterBlock() { return *this; } | 540 BytecodeArrayBuilder& BytecodeArrayBuilder::EnterBlock() { return *this; } |
| 525 | 541 |
| 526 | 542 |
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| 797 | 813 |
| 798 Register TemporaryRegisterScope::NewRegister() { | 814 Register TemporaryRegisterScope::NewRegister() { |
| 799 count_++; | 815 count_++; |
| 800 last_register_index_ = builder_->BorrowTemporaryRegister(); | 816 last_register_index_ = builder_->BorrowTemporaryRegister(); |
| 801 return Register(last_register_index_); | 817 return Register(last_register_index_); |
| 802 } | 818 } |
| 803 | 819 |
| 804 } // namespace interpreter | 820 } // namespace interpreter |
| 805 } // namespace internal | 821 } // namespace internal |
| 806 } // namespace v8 | 822 } // namespace v8 |
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