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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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| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 #ifndef V8_X64_CODE_STUBS_X64_H_ | 28 #ifndef V8_X64_CODE_STUBS_X64_H_ |
| 29 #define V8_X64_CODE_STUBS_X64_H_ | 29 #define V8_X64_CODE_STUBS_X64_H_ |
| 30 | 30 |
| 31 #include "codegen-inl.h" | |
| 32 #include "ast.h" | |
| 33 #include "ic-inl.h" | 31 #include "ic-inl.h" |
| 32 #include "type-info.h" |
| 34 | 33 |
| 35 namespace v8 { | 34 namespace v8 { |
| 36 namespace internal { | 35 namespace internal { |
| 37 | 36 |
| 38 | 37 |
| 39 // Compute a transcendental math function natively, or call the | 38 // Compute a transcendental math function natively, or call the |
| 40 // TranscendentalCache runtime function. | 39 // TranscendentalCache runtime function. |
| 41 class TranscendentalCacheStub: public CodeStub { | 40 class TranscendentalCacheStub: public CodeStub { |
| 42 public: | 41 public: |
| 43 explicit TranscendentalCacheStub(TranscendentalCache::Type type) | 42 explicit TranscendentalCacheStub(TranscendentalCache::Type type) |
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| 100 name_(NULL) { | 99 name_(NULL) { |
| 101 } | 100 } |
| 102 | 101 |
| 103 // Generate code to call the stub with the supplied arguments. This will add | 102 // Generate code to call the stub with the supplied arguments. This will add |
| 104 // code at the call site to prepare arguments either in registers or on the | 103 // code at the call site to prepare arguments either in registers or on the |
| 105 // stack together with the actual call. | 104 // stack together with the actual call. |
| 106 void GenerateCall(MacroAssembler* masm, Register left, Register right); | 105 void GenerateCall(MacroAssembler* masm, Register left, Register right); |
| 107 void GenerateCall(MacroAssembler* masm, Register left, Smi* right); | 106 void GenerateCall(MacroAssembler* masm, Register left, Smi* right); |
| 108 void GenerateCall(MacroAssembler* masm, Smi* left, Register right); | 107 void GenerateCall(MacroAssembler* masm, Smi* left, Register right); |
| 109 | 108 |
| 110 Result GenerateCall(MacroAssembler* masm, | |
| 111 VirtualFrame* frame, | |
| 112 Result* left, | |
| 113 Result* right); | |
| 114 | |
| 115 bool ArgsInRegistersSupported() { | 109 bool ArgsInRegistersSupported() { |
| 116 return (op_ == Token::ADD) || (op_ == Token::SUB) | 110 return (op_ == Token::ADD) || (op_ == Token::SUB) |
| 117 || (op_ == Token::MUL) || (op_ == Token::DIV); | 111 || (op_ == Token::MUL) || (op_ == Token::DIV); |
| 118 } | 112 } |
| 119 | 113 |
| 120 private: | 114 private: |
| 121 Token::Value op_; | 115 Token::Value op_; |
| 122 OverwriteMode mode_; | 116 OverwriteMode mode_; |
| 123 GenericBinaryFlags flags_; | 117 GenericBinaryFlags flags_; |
| 124 bool args_in_registers_; // Arguments passed in registers not on the stack. | 118 bool args_in_registers_; // Arguments passed in registers not on the stack. |
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| 195 | 189 |
| 196 bool ShouldGenerateFPCode() { | 190 bool ShouldGenerateFPCode() { |
| 197 return runtime_operands_type_ != BinaryOpIC::STRINGS; | 191 return runtime_operands_type_ != BinaryOpIC::STRINGS; |
| 198 } | 192 } |
| 199 | 193 |
| 200 virtual int GetCodeKind() { return Code::BINARY_OP_IC; } | 194 virtual int GetCodeKind() { return Code::BINARY_OP_IC; } |
| 201 | 195 |
| 202 virtual InlineCacheState GetICState() { | 196 virtual InlineCacheState GetICState() { |
| 203 return BinaryOpIC::ToState(runtime_operands_type_); | 197 return BinaryOpIC::ToState(runtime_operands_type_); |
| 204 } | 198 } |
| 199 |
| 200 friend class CodeGenerator; |
| 205 }; | 201 }; |
| 206 | 202 |
| 207 class StringHelper : public AllStatic { | 203 class StringHelper : public AllStatic { |
| 208 public: | 204 public: |
| 209 // Generate code for copying characters using a simple loop. This should only | 205 // Generate code for copying characters using a simple loop. This should only |
| 210 // be used in places where the number of characters is small and the | 206 // be used in places where the number of characters is small and the |
| 211 // additional setup and checking in GenerateCopyCharactersREP adds too much | 207 // additional setup and checking in GenerateCopyCharactersREP adds too much |
| 212 // overhead. Copying of overlapping regions is not supported. | 208 // overhead. Copying of overlapping regions is not supported. |
| 213 static void GenerateCopyCharacters(MacroAssembler* masm, | 209 static void GenerateCopyCharacters(MacroAssembler* masm, |
| 214 Register dest, | 210 Register dest, |
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| 384 return ObjectBits::encode(object_.code()) | | 380 return ObjectBits::encode(object_.code()) | |
| 385 AddressBits::encode(addr_.code()) | | 381 AddressBits::encode(addr_.code()) | |
| 386 ScratchBits::encode(scratch_.code()); | 382 ScratchBits::encode(scratch_.code()); |
| 387 } | 383 } |
| 388 }; | 384 }; |
| 389 | 385 |
| 390 | 386 |
| 391 } } // namespace v8::internal | 387 } } // namespace v8::internal |
| 392 | 388 |
| 393 #endif // V8_X64_CODE_STUBS_X64_H_ | 389 #endif // V8_X64_CODE_STUBS_X64_H_ |
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