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| 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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| 46 ICU(SharedStoreIC_ExtendStorage) \ | 46 ICU(SharedStoreIC_ExtendStorage) \ |
| 47 ICU(KeyedStoreIC_Miss) \ | 47 ICU(KeyedStoreIC_Miss) \ |
| 48 /* Utilities for IC stubs. */ \ | 48 /* Utilities for IC stubs. */ \ |
| 49 ICU(LoadCallbackProperty) \ | 49 ICU(LoadCallbackProperty) \ |
| 50 ICU(StoreCallbackProperty) \ | 50 ICU(StoreCallbackProperty) \ |
| 51 ICU(LoadPropertyWithInterceptorOnly) \ | 51 ICU(LoadPropertyWithInterceptorOnly) \ |
| 52 ICU(LoadPropertyWithInterceptorForLoad) \ | 52 ICU(LoadPropertyWithInterceptorForLoad) \ |
| 53 ICU(LoadPropertyWithInterceptorForCall) \ | 53 ICU(LoadPropertyWithInterceptorForCall) \ |
| 54 ICU(KeyedLoadPropertyWithInterceptor) \ | 54 ICU(KeyedLoadPropertyWithInterceptor) \ |
| 55 ICU(StoreInterceptorProperty) \ | 55 ICU(StoreInterceptorProperty) \ |
| 56 ICU(BinaryOp_Patch) \ | |
| 57 ICU(TypeRecordingBinaryOp_Patch) \ | 56 ICU(TypeRecordingBinaryOp_Patch) \ |
| 58 ICU(CompareIC_Miss) | 57 ICU(CompareIC_Miss) |
| 59 // | 58 // |
| 60 // IC is the base class for LoadIC, StoreIC, CallIC, KeyedLoadIC, | 59 // IC is the base class for LoadIC, StoreIC, CallIC, KeyedLoadIC, |
| 61 // and KeyedStoreIC. | 60 // and KeyedStoreIC. |
| 62 // | 61 // |
| 63 class IC { | 62 class IC { |
| 64 public: | 63 public: |
| 65 | 64 |
| 66 // The ids for utility called from the generated code. | 65 // The ids for utility called from the generated code. |
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| 570 // The address is the patch point for the IC call | 569 // The address is the patch point for the IC call |
| 571 // (Assembler::kCallTargetAddressOffset before the end of | 570 // (Assembler::kCallTargetAddressOffset before the end of |
| 572 // the call/return address). | 571 // the call/return address). |
| 573 // The map is the new map that the inlined code should check against. | 572 // The map is the new map that the inlined code should check against. |
| 574 static bool PatchInlinedStore(Address address, Object* map); | 573 static bool PatchInlinedStore(Address address, Object* map); |
| 575 | 574 |
| 576 friend class IC; | 575 friend class IC; |
| 577 }; | 576 }; |
| 578 | 577 |
| 579 | 578 |
| 580 class BinaryOpIC: public IC { | |
| 581 public: | |
| 582 | |
| 583 enum TypeInfo { | |
| 584 UNINIT_OR_SMI, | |
| 585 DEFAULT, // Initial state. When first executed, patches to one | |
| 586 // of the following states depending on the operands types. | |
| 587 HEAP_NUMBERS, // Both arguments are HeapNumbers. | |
| 588 STRINGS, // At least one of the arguments is String. | |
| 589 GENERIC // Non-specialized case (processes any type combination). | |
| 590 }; | |
| 591 | |
| 592 explicit BinaryOpIC(Isolate* isolate) : IC(NO_EXTRA_FRAME, isolate) { } | |
| 593 | |
| 594 void patch(Code* code); | |
| 595 | |
| 596 static const char* GetName(TypeInfo type_info); | |
| 597 | |
| 598 static State ToState(TypeInfo type_info); | |
| 599 | |
| 600 static TypeInfo GetTypeInfo(Object* left, Object* right); | |
| 601 }; | |
| 602 | |
| 603 | |
| 604 // Type Recording BinaryOpIC, that records the types of the inputs and outputs. | 579 // Type Recording BinaryOpIC, that records the types of the inputs and outputs. |
| 605 class TRBinaryOpIC: public IC { | 580 class TRBinaryOpIC: public IC { |
| 606 public: | 581 public: |
| 607 | 582 |
| 608 enum TypeInfo { | 583 enum TypeInfo { |
| 609 UNINITIALIZED, | 584 UNINITIALIZED, |
| 610 SMI, | 585 SMI, |
| 611 INT32, | 586 INT32, |
| 612 HEAP_NUMBER, | 587 HEAP_NUMBER, |
| 613 ODDBALL, | 588 ODDBALL, |
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| 666 | 641 |
| 667 Token::Value op_; | 642 Token::Value op_; |
| 668 }; | 643 }; |
| 669 | 644 |
| 670 // Helper for TRBinaryOpIC and CompareIC. | 645 // Helper for TRBinaryOpIC and CompareIC. |
| 671 void PatchInlinedSmiCode(Address address); | 646 void PatchInlinedSmiCode(Address address); |
| 672 | 647 |
| 673 } } // namespace v8::internal | 648 } } // namespace v8::internal |
| 674 | 649 |
| 675 #endif // V8_IC_H_ | 650 #endif // V8_IC_H_ |
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