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| 1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 660 NO_GENERIC_BINARY_FLAGS = 0, | 660 NO_GENERIC_BINARY_FLAGS = 0, |
| 661 NO_SMI_CODE_IN_STUB = 1 << 0 // Omit smi code in stub. | 661 NO_SMI_CODE_IN_STUB = 1 << 0 // Omit smi code in stub. |
| 662 }; | 662 }; |
| 663 | 663 |
| 664 | 664 |
| 665 class GenericBinaryOpStub: public CodeStub { | 665 class GenericBinaryOpStub: public CodeStub { |
| 666 public: | 666 public: |
| 667 GenericBinaryOpStub(Token::Value op, | 667 GenericBinaryOpStub(Token::Value op, |
| 668 OverwriteMode mode, | 668 OverwriteMode mode, |
| 669 GenericBinaryFlags flags, | 669 GenericBinaryFlags flags, |
| 670 NumberInfo operands_type = NumberInfo::Unknown()) | 670 TypeInfo operands_type = TypeInfo::Unknown()) |
| 671 : op_(op), | 671 : op_(op), |
| 672 mode_(mode), | 672 mode_(mode), |
| 673 flags_(flags), | 673 flags_(flags), |
| 674 args_in_registers_(false), | 674 args_in_registers_(false), |
| 675 args_reversed_(false), | 675 args_reversed_(false), |
| 676 static_operands_type_(operands_type), | 676 static_operands_type_(operands_type), |
| 677 runtime_operands_type_(BinaryOpIC::DEFAULT), | 677 runtime_operands_type_(BinaryOpIC::DEFAULT), |
| 678 name_(NULL) { | 678 name_(NULL) { |
| 679 use_sse3_ = CpuFeatures::IsSupported(SSE3); | 679 use_sse3_ = CpuFeatures::IsSupported(SSE3); |
| 680 ASSERT(OpBits::is_valid(Token::NUM_TOKENS)); | 680 ASSERT(OpBits::is_valid(Token::NUM_TOKENS)); |
| 681 } | 681 } |
| 682 | 682 |
| 683 GenericBinaryOpStub(int key, BinaryOpIC::TypeInfo type_info) | 683 GenericBinaryOpStub(int key, BinaryOpIC::TypeInfo type_info) |
| 684 : op_(OpBits::decode(key)), | 684 : op_(OpBits::decode(key)), |
| 685 mode_(ModeBits::decode(key)), | 685 mode_(ModeBits::decode(key)), |
| 686 flags_(FlagBits::decode(key)), | 686 flags_(FlagBits::decode(key)), |
| 687 args_in_registers_(ArgsInRegistersBits::decode(key)), | 687 args_in_registers_(ArgsInRegistersBits::decode(key)), |
| 688 args_reversed_(ArgsReversedBits::decode(key)), | 688 args_reversed_(ArgsReversedBits::decode(key)), |
| 689 use_sse3_(SSE3Bits::decode(key)), | 689 use_sse3_(SSE3Bits::decode(key)), |
| 690 static_operands_type_(NumberInfo::ExpandedRepresentation( | 690 static_operands_type_(TypeInfo::ExpandedRepresentation( |
| 691 StaticTypeInfoBits::decode(key))), | 691 StaticTypeInfoBits::decode(key))), |
| 692 runtime_operands_type_(type_info), | 692 runtime_operands_type_(type_info), |
| 693 name_(NULL) { | 693 name_(NULL) { |
| 694 } | 694 } |
| 695 | 695 |
| 696 // Generate code to call the stub with the supplied arguments. This will add | 696 // Generate code to call the stub with the supplied arguments. This will add |
| 697 // code at the call site to prepare arguments either in registers or on the | 697 // code at the call site to prepare arguments either in registers or on the |
| 698 // stack together with the actual call. | 698 // stack together with the actual call. |
| 699 void GenerateCall(MacroAssembler* masm, Register left, Register right); | 699 void GenerateCall(MacroAssembler* masm, Register left, Register right); |
| 700 void GenerateCall(MacroAssembler* masm, Register left, Smi* right); | 700 void GenerateCall(MacroAssembler* masm, Register left, Smi* right); |
| 701 void GenerateCall(MacroAssembler* masm, Smi* left, Register right); | 701 void GenerateCall(MacroAssembler* masm, Smi* left, Register right); |
| 702 | 702 |
| 703 Result GenerateCall(MacroAssembler* masm, | 703 Result GenerateCall(MacroAssembler* masm, |
| 704 VirtualFrame* frame, | 704 VirtualFrame* frame, |
| 705 Result* left, | 705 Result* left, |
| 706 Result* right); | 706 Result* right); |
| 707 | 707 |
| 708 private: | 708 private: |
| 709 Token::Value op_; | 709 Token::Value op_; |
| 710 OverwriteMode mode_; | 710 OverwriteMode mode_; |
| 711 GenericBinaryFlags flags_; | 711 GenericBinaryFlags flags_; |
| 712 bool args_in_registers_; // Arguments passed in registers not on the stack. | 712 bool args_in_registers_; // Arguments passed in registers not on the stack. |
| 713 bool args_reversed_; // Left and right argument are swapped. | 713 bool args_reversed_; // Left and right argument are swapped. |
| 714 bool use_sse3_; | 714 bool use_sse3_; |
| 715 | 715 |
| 716 // Number type information of operands, determined by code generator. | 716 // Number type information of operands, determined by code generator. |
| 717 NumberInfo static_operands_type_; | 717 TypeInfo static_operands_type_; |
| 718 | 718 |
| 719 // Operand type information determined at runtime. | 719 // Operand type information determined at runtime. |
| 720 BinaryOpIC::TypeInfo runtime_operands_type_; | 720 BinaryOpIC::TypeInfo runtime_operands_type_; |
| 721 | 721 |
| 722 char* name_; | 722 char* name_; |
| 723 | 723 |
| 724 const char* GetName(); | 724 const char* GetName(); |
| 725 | 725 |
| 726 #ifdef DEBUG | 726 #ifdef DEBUG |
| 727 void Print() { | 727 void Print() { |
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| 937 void Print() { | 937 void Print() { |
| 938 PrintF("NumberToStringStub\n"); | 938 PrintF("NumberToStringStub\n"); |
| 939 } | 939 } |
| 940 #endif | 940 #endif |
| 941 }; | 941 }; |
| 942 | 942 |
| 943 | 943 |
| 944 } } // namespace v8::internal | 944 } } // namespace v8::internal |
| 945 | 945 |
| 946 #endif // V8_X64_CODEGEN_X64_H_ | 946 #endif // V8_X64_CODEGEN_X64_H_ |
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