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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_IA32_CODE_STUBS_IA32_H_ | 28 #ifndef V8_IA32_CODE_STUBS_IA32_H_ |
| 29 #define V8_IA32_CODE_STUBS_IA32_H_ | 29 #define V8_IA32_CODE_STUBS_IA32_H_ |
| 30 | 30 |
| 31 #include "codegen-inl.h" | 31 #include "macro-assembler.h" |
| 32 #include "ast.h" | 32 #include "code-stubs.h" |
| 33 #include "ic-inl.h" | 33 #include "ic-inl.h" |
| 34 | 34 |
| 35 namespace v8 { | 35 namespace v8 { |
| 36 namespace internal { | 36 namespace internal { |
| 37 | 37 |
| 38 | 38 |
| 39 // Compute a transcendental math function natively, or call the | 39 // Compute a transcendental math function natively, or call the |
| 40 // TranscendentalCache runtime function. | 40 // TranscendentalCache runtime function. |
| 41 class TranscendentalCacheStub: public CodeStub { | 41 class TranscendentalCacheStub: public CodeStub { |
| 42 public: | 42 public: |
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| 105 name_(NULL) { | 105 name_(NULL) { |
| 106 } | 106 } |
| 107 | 107 |
| 108 // Generate code to call the stub with the supplied arguments. This will add | 108 // Generate code to call the stub with the supplied arguments. This will add |
| 109 // code at the call site to prepare arguments either in registers or on the | 109 // code at the call site to prepare arguments either in registers or on the |
| 110 // stack together with the actual call. | 110 // stack together with the actual call. |
| 111 void GenerateCall(MacroAssembler* masm, Register left, Register right); | 111 void GenerateCall(MacroAssembler* masm, Register left, Register right); |
| 112 void GenerateCall(MacroAssembler* masm, Register left, Smi* right); | 112 void GenerateCall(MacroAssembler* masm, Register left, Smi* right); |
| 113 void GenerateCall(MacroAssembler* masm, Smi* left, Register right); | 113 void GenerateCall(MacroAssembler* masm, Smi* left, Register right); |
| 114 | 114 |
| 115 Result GenerateCall(MacroAssembler* masm, | |
| 116 VirtualFrame* frame, | |
| 117 Result* left, | |
| 118 Result* right); | |
| 119 | |
| 120 bool ArgsInRegistersSupported() { | 115 bool ArgsInRegistersSupported() { |
| 121 return op_ == Token::ADD || op_ == Token::SUB | 116 return op_ == Token::ADD || op_ == Token::SUB |
| 122 || op_ == Token::MUL || op_ == Token::DIV; | 117 || op_ == Token::MUL || op_ == Token::DIV; |
| 123 } | 118 } |
| 124 | 119 |
| 125 private: | 120 private: |
| 126 Token::Value op_; | 121 Token::Value op_; |
| 127 OverwriteMode mode_; | 122 OverwriteMode mode_; |
| 128 GenericBinaryFlags flags_; | 123 GenericBinaryFlags flags_; |
| 129 bool args_in_registers_; // Arguments passed in registers not on the stack. | 124 bool args_in_registers_; // Arguments passed in registers not on the stack. |
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| 204 | 199 |
| 205 bool ShouldGenerateFPCode() { | 200 bool ShouldGenerateFPCode() { |
| 206 return runtime_operands_type_ != BinaryOpIC::STRINGS; | 201 return runtime_operands_type_ != BinaryOpIC::STRINGS; |
| 207 } | 202 } |
| 208 | 203 |
| 209 virtual int GetCodeKind() { return Code::BINARY_OP_IC; } | 204 virtual int GetCodeKind() { return Code::BINARY_OP_IC; } |
| 210 | 205 |
| 211 virtual InlineCacheState GetICState() { | 206 virtual InlineCacheState GetICState() { |
| 212 return BinaryOpIC::ToState(runtime_operands_type_); | 207 return BinaryOpIC::ToState(runtime_operands_type_); |
| 213 } | 208 } |
| 209 |
| 210 friend class CodeGenerator; |
| 214 }; | 211 }; |
| 215 | 212 |
| 216 | 213 |
| 217 class StringHelper : public AllStatic { | 214 class StringHelper : public AllStatic { |
| 218 public: | 215 public: |
| 219 // Generate code for copying characters using a simple loop. This should only | 216 // Generate code for copying characters using a simple loop. This should only |
| 220 // be used in places where the number of characters is small and the | 217 // be used in places where the number of characters is small and the |
| 221 // additional setup and checking in GenerateCopyCharactersREP adds too much | 218 // additional setup and checking in GenerateCopyCharactersREP adds too much |
| 222 // overhead. Copying of overlapping regions is not supported. | 219 // overhead. Copying of overlapping regions is not supported. |
| 223 static void GenerateCopyCharacters(MacroAssembler* masm, | 220 static void GenerateCopyCharacters(MacroAssembler* masm, |
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| 354 void Print() { | 351 void Print() { |
| 355 PrintF("NumberToStringStub\n"); | 352 PrintF("NumberToStringStub\n"); |
| 356 } | 353 } |
| 357 #endif | 354 #endif |
| 358 }; | 355 }; |
| 359 | 356 |
| 360 | 357 |
| 361 } } // namespace v8::internal | 358 } } // namespace v8::internal |
| 362 | 359 |
| 363 #endif // V8_IA32_CODE_STUBS_IA32_H_ | 360 #endif // V8_IA32_CODE_STUBS_IA32_H_ |
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