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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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829 // ShiftRightLogical <src> | 829 // ShiftRightLogical <src> |
830 // | 830 // |
831 // Right Shifts register <src> by the count specified in the accumulator. | 831 // Right Shifts register <src> by the count specified in the accumulator. |
832 // 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 |
833 // 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 |
834 // count i.e. <src> << (accumulator & 0x1F). | 834 // count i.e. <src> << (accumulator & 0x1F). |
835 void Interpreter::DoShiftRightLogical(InterpreterAssembler* assembler) { | 835 void Interpreter::DoShiftRightLogical(InterpreterAssembler* assembler) { |
836 DoBinaryOp<ShiftRightLogicalStub>(assembler); | 836 DoBinaryOp<ShiftRightLogicalStub>(assembler); |
837 } | 837 } |
838 | 838 |
839 void Interpreter::DoCountOp(Callable callable, | 839 template <class Generator> |
840 InterpreterAssembler* assembler) { | 840 void Interpreter::DoUnaryOp(InterpreterAssembler* assembler) { |
841 Node* target = __ HeapConstant(callable.code()); | |
842 Node* value = __ GetAccumulator(); | 841 Node* value = __ GetAccumulator(); |
843 Node* context = __ GetContext(); | 842 Node* context = __ GetContext(); |
844 Node* result = __ CallStub(callable.descriptor(), target, context, value); | 843 Node* result = Generator::Generate(assembler, value, context); |
845 __ SetAccumulator(result); | 844 __ SetAccumulator(result); |
846 __ Dispatch(); | 845 __ Dispatch(); |
847 } | 846 } |
848 | 847 |
849 | |
850 // Inc | 848 // Inc |
851 // | 849 // |
852 // Increments value in the accumulator by one. | 850 // Increments value in the accumulator by one. |
853 void Interpreter::DoInc(InterpreterAssembler* assembler) { | 851 void Interpreter::DoInc(InterpreterAssembler* assembler) { |
854 DoCountOp(CodeFactory::Inc(isolate_), assembler); | 852 DoUnaryOp<IncStub>(assembler); |
855 } | 853 } |
856 | 854 |
857 | |
858 // Dec | 855 // Dec |
859 // | 856 // |
860 // Decrements value in the accumulator by one. | 857 // Decrements value in the accumulator by one. |
861 void Interpreter::DoDec(InterpreterAssembler* assembler) { | 858 void Interpreter::DoDec(InterpreterAssembler* assembler) { |
862 DoCountOp(CodeFactory::Dec(isolate_), assembler); | 859 DoUnaryOp<DecStub>(assembler); |
863 } | 860 } |
864 | 861 |
865 void Interpreter::DoLogicalNotOp(Node* value, InterpreterAssembler* assembler) { | 862 void Interpreter::DoLogicalNotOp(Node* value, InterpreterAssembler* assembler) { |
866 Label if_true(assembler), if_false(assembler), end(assembler); | 863 Label if_true(assembler), if_false(assembler), end(assembler); |
867 Node* true_value = __ BooleanConstant(true); | 864 Node* true_value = __ BooleanConstant(true); |
868 Node* false_value = __ BooleanConstant(false); | 865 Node* false_value = __ BooleanConstant(false); |
869 __ BranchIfWordEqual(value, true_value, &if_true, &if_false); | 866 __ BranchIfWordEqual(value, true_value, &if_true, &if_false); |
870 __ Bind(&if_true); | 867 __ Bind(&if_true); |
871 { | 868 { |
872 __ SetAccumulator(false_value); | 869 __ SetAccumulator(false_value); |
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1856 __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset, | 1853 __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset, |
1857 __ SmiTag(new_state)); | 1854 __ SmiTag(new_state)); |
1858 __ SetAccumulator(old_state); | 1855 __ SetAccumulator(old_state); |
1859 | 1856 |
1860 __ Dispatch(); | 1857 __ Dispatch(); |
1861 } | 1858 } |
1862 | 1859 |
1863 } // namespace interpreter | 1860 } // namespace interpreter |
1864 } // namespace internal | 1861 } // namespace internal |
1865 } // namespace v8 | 1862 } // namespace v8 |
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