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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/interpreter.h" | 5 #include "src/interpreter/interpreter.h" |
| 6 | 6 |
| 7 #include <fstream> | 7 #include <fstream> |
| 8 | 8 |
| 9 #include "src/ast/prettyprinter.h" | 9 #include "src/ast/prettyprinter.h" |
| 10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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| 722 // operations, instead of calling builtins directly. | 722 // operations, instead of calling builtins directly. |
| 723 Node* reg_index = __ BytecodeOperandReg(0); | 723 Node* reg_index = __ BytecodeOperandReg(0); |
| 724 Node* lhs = __ LoadRegister(reg_index); | 724 Node* lhs = __ LoadRegister(reg_index); |
| 725 Node* rhs = __ GetAccumulator(); | 725 Node* rhs = __ GetAccumulator(); |
| 726 Node* context = __ GetContext(); | 726 Node* context = __ GetContext(); |
| 727 Node* result = __ CallRuntime(function_id, context, lhs, rhs); | 727 Node* result = __ CallRuntime(function_id, context, lhs, rhs); |
| 728 __ SetAccumulator(result); | 728 __ SetAccumulator(result); |
| 729 __ Dispatch(); | 729 __ Dispatch(); |
| 730 } | 730 } |
| 731 | 731 |
| 732 template <class Generator> |
| 733 void Interpreter::DoBinaryOp(InterpreterAssembler* assembler) { |
| 734 Node* reg_index = __ BytecodeOperandReg(0); |
| 735 Node* lhs = __ LoadRegister(reg_index); |
| 736 Node* rhs = __ GetAccumulator(); |
| 737 Node* context = __ GetContext(); |
| 738 Node* result = Generator::Generate(assembler, lhs, rhs, context); |
| 739 __ SetAccumulator(result); |
| 740 __ Dispatch(); |
| 741 } |
| 732 | 742 |
| 733 // Add <src> | 743 // Add <src> |
| 734 // | 744 // |
| 735 // Add register <src> to accumulator. | 745 // Add register <src> to accumulator. |
| 736 void Interpreter::DoAdd(InterpreterAssembler* assembler) { | 746 void Interpreter::DoAdd(InterpreterAssembler* assembler) { |
| 737 DoBinaryOp(CodeFactory::Add(isolate_), assembler); | 747 DoBinaryOp<AddStub>(assembler); |
| 738 } | 748 } |
| 739 | 749 |
| 740 | 750 |
| 741 // Sub <src> | 751 // Sub <src> |
| 742 // | 752 // |
| 743 // Subtract register <src> from accumulator. | 753 // Subtract register <src> from accumulator. |
| 744 void Interpreter::DoSub(InterpreterAssembler* assembler) { | 754 void Interpreter::DoSub(InterpreterAssembler* assembler) { |
| 745 DoBinaryOp(CodeFactory::Subtract(isolate_), assembler); | 755 DoBinaryOp<SubtractStub>(assembler); |
| 746 } | 756 } |
| 747 | 757 |
| 748 | 758 |
| 749 // Mul <src> | 759 // Mul <src> |
| 750 // | 760 // |
| 751 // Multiply accumulator by register <src>. | 761 // Multiply accumulator by register <src>. |
| 752 void Interpreter::DoMul(InterpreterAssembler* assembler) { | 762 void Interpreter::DoMul(InterpreterAssembler* assembler) { |
| 753 DoBinaryOp(CodeFactory::Multiply(isolate_), assembler); | 763 DoBinaryOp<MultiplyStub>(assembler); |
| 754 } | 764 } |
| 755 | 765 |
| 756 | 766 |
| 757 // Div <src> | 767 // Div <src> |
| 758 // | 768 // |
| 759 // Divide register <src> by accumulator. | 769 // Divide register <src> by accumulator. |
| 760 void Interpreter::DoDiv(InterpreterAssembler* assembler) { | 770 void Interpreter::DoDiv(InterpreterAssembler* assembler) { |
| 761 DoBinaryOp(CodeFactory::Divide(isolate_), assembler); | 771 DoBinaryOp<DivideStub>(assembler); |
| 762 } | 772 } |
| 763 | 773 |
| 764 | 774 |
| 765 // Mod <src> | 775 // Mod <src> |
| 766 // | 776 // |
| 767 // Modulo register <src> by accumulator. | 777 // Modulo register <src> by accumulator. |
| 768 void Interpreter::DoMod(InterpreterAssembler* assembler) { | 778 void Interpreter::DoMod(InterpreterAssembler* assembler) { |
| 769 DoBinaryOp(CodeFactory::Modulus(isolate_), assembler); | 779 DoBinaryOp<ModulusStub>(assembler); |
| 770 } | 780 } |
| 771 | 781 |
| 772 | 782 |
| 773 // BitwiseOr <src> | 783 // BitwiseOr <src> |
| 774 // | 784 // |
| 775 // BitwiseOr register <src> to accumulator. | 785 // BitwiseOr register <src> to accumulator. |
| 776 void Interpreter::DoBitwiseOr(InterpreterAssembler* assembler) { | 786 void Interpreter::DoBitwiseOr(InterpreterAssembler* assembler) { |
| 777 DoBinaryOp(CodeFactory::BitwiseOr(isolate_), assembler); | 787 DoBinaryOp<BitwiseOrStub>(assembler); |
| 778 } | 788 } |
| 779 | 789 |
| 780 | 790 |
| 781 // BitwiseXor <src> | 791 // BitwiseXor <src> |
| 782 // | 792 // |
| 783 // BitwiseXor register <src> to accumulator. | 793 // BitwiseXor register <src> to accumulator. |
| 784 void Interpreter::DoBitwiseXor(InterpreterAssembler* assembler) { | 794 void Interpreter::DoBitwiseXor(InterpreterAssembler* assembler) { |
| 785 DoBinaryOp(CodeFactory::BitwiseXor(isolate_), assembler); | 795 DoBinaryOp<BitwiseXorStub>(assembler); |
| 786 } | 796 } |
| 787 | 797 |
| 788 | 798 |
| 789 // BitwiseAnd <src> | 799 // BitwiseAnd <src> |
| 790 // | 800 // |
| 791 // BitwiseAnd register <src> to accumulator. | 801 // BitwiseAnd register <src> to accumulator. |
| 792 void Interpreter::DoBitwiseAnd(InterpreterAssembler* assembler) { | 802 void Interpreter::DoBitwiseAnd(InterpreterAssembler* assembler) { |
| 793 DoBinaryOp(CodeFactory::BitwiseAnd(isolate_), assembler); | 803 DoBinaryOp<BitwiseAndStub>(assembler); |
| 794 } | 804 } |
| 795 | 805 |
| 796 | 806 |
| 797 // ShiftLeft <src> | 807 // ShiftLeft <src> |
| 798 // | 808 // |
| 799 // Left shifts register <src> by the count specified in the accumulator. | 809 // Left shifts register <src> by the count specified in the accumulator. |
| 800 // Register <src> is converted to an int32 and the accumulator to uint32 | 810 // Register <src> is converted to an int32 and the accumulator to uint32 |
| 801 // before the operation. 5 lsb bits from the accumulator are used as count | 811 // before the operation. 5 lsb bits from the accumulator are used as count |
| 802 // i.e. <src> << (accumulator & 0x1F). | 812 // i.e. <src> << (accumulator & 0x1F). |
| 803 void Interpreter::DoShiftLeft(InterpreterAssembler* assembler) { | 813 void Interpreter::DoShiftLeft(InterpreterAssembler* assembler) { |
| 804 DoBinaryOp(CodeFactory::ShiftLeft(isolate_), assembler); | 814 DoBinaryOp<ShiftLeftStub>(assembler); |
| 805 } | 815 } |
| 806 | 816 |
| 807 | 817 |
| 808 // ShiftRight <src> | 818 // ShiftRight <src> |
| 809 // | 819 // |
| 810 // Right shifts register <src> by the count specified in the accumulator. | 820 // Right shifts register <src> by the count specified in the accumulator. |
| 811 // Result is sign extended. Register <src> is converted to an int32 and the | 821 // Result is sign extended. Register <src> is converted to an int32 and the |
| 812 // accumulator to uint32 before the operation. 5 lsb bits from the accumulator | 822 // accumulator to uint32 before the operation. 5 lsb bits from the accumulator |
| 813 // are used as count i.e. <src> >> (accumulator & 0x1F). | 823 // are used as count i.e. <src> >> (accumulator & 0x1F). |
| 814 void Interpreter::DoShiftRight(InterpreterAssembler* assembler) { | 824 void Interpreter::DoShiftRight(InterpreterAssembler* assembler) { |
| 815 DoBinaryOp(CodeFactory::ShiftRight(isolate_), assembler); | 825 DoBinaryOp<ShiftRightStub>(assembler); |
| 816 } | 826 } |
| 817 | 827 |
| 818 | 828 |
| 819 // ShiftRightLogical <src> | 829 // ShiftRightLogical <src> |
| 820 // | 830 // |
| 821 // Right Shifts register <src> by the count specified in the accumulator. | 831 // Right Shifts register <src> by the count specified in the accumulator. |
| 822 // Result is zero-filled. The accumulator and register <src> are converted to | 832 // Result is zero-filled. The accumulator and register <src> are converted to |
| 823 // uint32 before the operation 5 lsb bits from the accumulator are used as | 833 // uint32 before the operation 5 lsb bits from the accumulator are used as |
| 824 // count i.e. <src> << (accumulator & 0x1F). | 834 // count i.e. <src> << (accumulator & 0x1F). |
| 825 void Interpreter::DoShiftRightLogical(InterpreterAssembler* assembler) { | 835 void Interpreter::DoShiftRightLogical(InterpreterAssembler* assembler) { |
| 826 DoBinaryOp(CodeFactory::ShiftRightLogical(isolate_), assembler); | 836 DoBinaryOp<ShiftRightLogicalStub>(assembler); |
| 827 } | 837 } |
| 828 | 838 |
| 829 void Interpreter::DoCountOp(Callable callable, | 839 void Interpreter::DoCountOp(Callable callable, |
| 830 InterpreterAssembler* assembler) { | 840 InterpreterAssembler* assembler) { |
| 831 Node* target = __ HeapConstant(callable.code()); | 841 Node* target = __ HeapConstant(callable.code()); |
| 832 Node* value = __ GetAccumulator(); | 842 Node* value = __ GetAccumulator(); |
| 833 Node* context = __ GetContext(); | 843 Node* context = __ GetContext(); |
| 834 Node* result = __ CallStub(callable.descriptor(), target, context, value); | 844 Node* result = __ CallStub(callable.descriptor(), target, context, value); |
| 835 __ SetAccumulator(result); | 845 __ SetAccumulator(result); |
| 836 __ Dispatch(); | 846 __ Dispatch(); |
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| 1829 __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset, | 1839 __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset, |
| 1830 __ SmiTag(new_state)); | 1840 __ SmiTag(new_state)); |
| 1831 __ SetAccumulator(old_state); | 1841 __ SetAccumulator(old_state); |
| 1832 | 1842 |
| 1833 __ Dispatch(); | 1843 __ Dispatch(); |
| 1834 } | 1844 } |
| 1835 | 1845 |
| 1836 } // namespace interpreter | 1846 } // namespace interpreter |
| 1837 } // namespace internal | 1847 } // namespace internal |
| 1838 } // namespace v8 | 1848 } // namespace v8 |
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