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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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40 V(CallFunction) \ | 40 V(CallFunction) \ |
41 V(CallConstruct) \ | 41 V(CallConstruct) \ |
42 V(UnaryOp) \ | 42 V(UnaryOp) \ |
43 V(BinaryOp) \ | 43 V(BinaryOp) \ |
44 V(StringAdd) \ | 44 V(StringAdd) \ |
45 V(SubString) \ | 45 V(SubString) \ |
46 V(StringCompare) \ | 46 V(StringCompare) \ |
47 V(Compare) \ | 47 V(Compare) \ |
48 V(CompareIC) \ | 48 V(CompareIC) \ |
49 V(MathPow) \ | 49 V(MathPow) \ |
| 50 V(StringLength) \ |
50 V(RecordWrite) \ | 51 V(RecordWrite) \ |
51 V(StoreBufferOverflow) \ | 52 V(StoreBufferOverflow) \ |
52 V(RegExpExec) \ | 53 V(RegExpExec) \ |
53 V(TranscendentalCache) \ | 54 V(TranscendentalCache) \ |
54 V(Instanceof) \ | 55 V(Instanceof) \ |
55 V(ConvertToDouble) \ | 56 V(ConvertToDouble) \ |
56 V(WriteInt32ToHeapNumber) \ | 57 V(WriteInt32ToHeapNumber) \ |
57 V(StackCheck) \ | 58 V(StackCheck) \ |
58 V(Interrupt) \ | 59 V(Interrupt) \ |
59 V(FastNewClosure) \ | 60 V(FastNewClosure) \ |
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532 virtual void Generate(MacroAssembler* masm); | 533 virtual void Generate(MacroAssembler* masm); |
533 | 534 |
534 private: | 535 private: |
535 virtual CodeStub::Major MajorKey() { return MathPow; } | 536 virtual CodeStub::Major MajorKey() { return MathPow; } |
536 virtual int MinorKey() { return exponent_type_; } | 537 virtual int MinorKey() { return exponent_type_; } |
537 | 538 |
538 ExponentType exponent_type_; | 539 ExponentType exponent_type_; |
539 }; | 540 }; |
540 | 541 |
541 | 542 |
| 543 class ICStub: public PlatformCodeStub { |
| 544 public: |
| 545 explicit ICStub(Code::Kind kind) : kind_(kind) { } |
| 546 virtual int GetCodeKind() { return kind_; } |
| 547 virtual InlineCacheState GetICState() { return MONOMORPHIC; } |
| 548 |
| 549 bool Describes(Code* code) { |
| 550 return GetMajorKey(code) == MajorKey() && code->stub_info() == MinorKey(); |
| 551 } |
| 552 |
| 553 protected: |
| 554 class KindBits: public BitField<Code::Kind, 0, 4> {}; |
| 555 virtual void FinishCode(Handle<Code> code) { |
| 556 code->set_stub_info(MinorKey()); |
| 557 } |
| 558 Code::Kind kind() { return kind_; } |
| 559 |
| 560 private: |
| 561 Code::Kind kind_; |
| 562 }; |
| 563 |
| 564 |
| 565 class StringLengthStub: public ICStub { |
| 566 public: |
| 567 StringLengthStub(Code::Kind kind, bool support_wrapper) |
| 568 : ICStub(kind), support_wrapper_(support_wrapper) { } |
| 569 virtual void Generate(MacroAssembler* masm); |
| 570 |
| 571 private: |
| 572 class WrapperModeBits: public BitField<bool, 4, 1> {}; |
| 573 virtual CodeStub::Major MajorKey() { return StringLength; } |
| 574 virtual int MinorKey() { |
| 575 return KindBits::encode(kind()) | WrapperModeBits::encode(support_wrapper_); |
| 576 } |
| 577 |
| 578 bool support_wrapper_; |
| 579 }; |
| 580 |
| 581 |
542 class BinaryOpStub: public PlatformCodeStub { | 582 class BinaryOpStub: public PlatformCodeStub { |
543 public: | 583 public: |
544 BinaryOpStub(Token::Value op, OverwriteMode mode) | 584 BinaryOpStub(Token::Value op, OverwriteMode mode) |
545 : op_(op), | 585 : op_(op), |
546 mode_(mode), | 586 mode_(mode), |
547 platform_specific_bit_(false), | 587 platform_specific_bit_(false), |
548 left_type_(BinaryOpIC::UNINITIALIZED), | 588 left_type_(BinaryOpIC::UNINITIALIZED), |
549 right_type_(BinaryOpIC::UNINITIALIZED), | 589 right_type_(BinaryOpIC::UNINITIALIZED), |
550 result_type_(BinaryOpIC::UNINITIALIZED) { | 590 result_type_(BinaryOpIC::UNINITIALIZED) { |
551 Initialize(); | 591 Initialize(); |
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1312 | 1352 |
1313 // The current function entry hook. | 1353 // The current function entry hook. |
1314 static FunctionEntryHook entry_hook_; | 1354 static FunctionEntryHook entry_hook_; |
1315 | 1355 |
1316 DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub); | 1356 DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub); |
1317 }; | 1357 }; |
1318 | 1358 |
1319 } } // namespace v8::internal | 1359 } } // namespace v8::internal |
1320 | 1360 |
1321 #endif // V8_CODE_STUBS_H_ | 1361 #endif // V8_CODE_STUBS_H_ |
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