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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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48 ICU(StoreIC_ArrayLength) \ | 48 ICU(StoreIC_ArrayLength) \ |
49 ICU(SharedStoreIC_ExtendStorage) \ | 49 ICU(SharedStoreIC_ExtendStorage) \ |
50 ICU(KeyedStoreIC_Miss) \ | 50 ICU(KeyedStoreIC_Miss) \ |
51 /* Utilities for IC stubs. */ \ | 51 /* Utilities for IC stubs. */ \ |
52 ICU(LoadCallbackProperty) \ | 52 ICU(LoadCallbackProperty) \ |
53 ICU(StoreCallbackProperty) \ | 53 ICU(StoreCallbackProperty) \ |
54 ICU(LoadPropertyWithInterceptorOnly) \ | 54 ICU(LoadPropertyWithInterceptorOnly) \ |
55 ICU(LoadPropertyWithInterceptorForLoad) \ | 55 ICU(LoadPropertyWithInterceptorForLoad) \ |
56 ICU(LoadPropertyWithInterceptorForCall) \ | 56 ICU(LoadPropertyWithInterceptorForCall) \ |
57 ICU(KeyedLoadPropertyWithInterceptor) \ | 57 ICU(KeyedLoadPropertyWithInterceptor) \ |
58 ICU(StoreInterceptorProperty) | 58 ICU(StoreInterceptorProperty) \ |
| 59 ICU(BinaryOp_Patch) |
59 | 60 |
60 // | 61 // |
61 // IC is the base class for LoadIC, StoreIC, CallIC, KeyedLoadIC, | 62 // IC is the base class for LoadIC, StoreIC, CallIC, KeyedLoadIC, |
62 // and KeyedStoreIC. | 63 // and KeyedStoreIC. |
63 // | 64 // |
64 class IC { | 65 class IC { |
65 public: | 66 public: |
66 | 67 |
67 // The ids for utility called from the generated code. | 68 // The ids for utility called from the generated code. |
68 enum UtilityId { | 69 enum UtilityId { |
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437 // The address is the patch point for the IC call | 438 // The address is the patch point for the IC call |
438 // (Assembler::kCallTargetAddressOffset before the end of | 439 // (Assembler::kCallTargetAddressOffset before the end of |
439 // the call/return address). | 440 // the call/return address). |
440 // The map is the new map that the inlined code should check against. | 441 // The map is the new map that the inlined code should check against. |
441 static bool PatchInlinedStore(Address address, Object* map); | 442 static bool PatchInlinedStore(Address address, Object* map); |
442 | 443 |
443 friend class IC; | 444 friend class IC; |
444 }; | 445 }; |
445 | 446 |
446 | 447 |
| 448 class BinaryOpIC: public IC { |
| 449 public: |
| 450 |
| 451 enum TypeInfo { |
| 452 DEFAULT, // Initial state. When first executed, patches to one |
| 453 // of the following states depending on the operands types. |
| 454 HEAP_NUMBERS, // Both arguments are HeapNumbers. |
| 455 STRINGS, // At least one of the arguments is String. |
| 456 GENERIC // Non-specialized case (processes any type combination). |
| 457 }; |
| 458 |
| 459 BinaryOpIC() : IC(NO_EXTRA_FRAME) { } |
| 460 |
| 461 void patch(Code* code); |
| 462 |
| 463 static void Clear(Address address, Code* target); |
| 464 |
| 465 static const char* GetName(TypeInfo type_info); |
| 466 |
| 467 static State ToState(TypeInfo type_info); |
| 468 |
| 469 static TypeInfo GetTypeInfo(Object* left, Object* right); |
| 470 }; |
| 471 |
447 } } // namespace v8::internal | 472 } } // namespace v8::internal |
448 | 473 |
449 #endif // V8_IC_H_ | 474 #endif // V8_IC_H_ |
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