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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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479 class ToNumberStub: public HydrogenCodeStub { | 479 class ToNumberStub: public HydrogenCodeStub { |
480 public: | 480 public: |
481 ToNumberStub() { } | 481 ToNumberStub() { } |
482 | 482 |
483 virtual Handle<Code> GenerateCode(Isolate* isolate); | 483 virtual Handle<Code> GenerateCode(Isolate* isolate); |
484 | 484 |
485 virtual void InitializeInterfaceDescriptor( | 485 virtual void InitializeInterfaceDescriptor( |
486 Isolate* isolate, | 486 Isolate* isolate, |
487 CodeStubInterfaceDescriptor* descriptor); | 487 CodeStubInterfaceDescriptor* descriptor); |
488 | 488 |
| 489 static void InstallDescriptors(Isolate* isolate) { |
| 490 ToNumberStub stub; |
| 491 stub.InitializeInterfaceDescriptor( |
| 492 isolate, |
| 493 isolate->code_stub_interface_descriptor(CodeStub::ToNumber)); |
| 494 } |
| 495 |
489 private: | 496 private: |
490 Major MajorKey() { return ToNumber; } | 497 Major MajorKey() { return ToNumber; } |
491 int NotMissMinorKey() { return 0; } | 498 int NotMissMinorKey() { return 0; } |
492 }; | 499 }; |
493 | 500 |
494 | 501 |
495 class NumberToStringStub V8_FINAL : public HydrogenCodeStub { | 502 class NumberToStringStub V8_FINAL : public HydrogenCodeStub { |
496 public: | 503 public: |
497 NumberToStringStub() {} | 504 NumberToStringStub() {} |
498 | 505 |
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617 UNREACHABLE(); | 624 UNREACHABLE(); |
618 return LAST_ELEMENTS_KIND; | 625 return LAST_ELEMENTS_KIND; |
619 } | 626 } |
620 | 627 |
621 virtual Handle<Code> GenerateCode(Isolate* isolate); | 628 virtual Handle<Code> GenerateCode(Isolate* isolate); |
622 | 629 |
623 virtual void InitializeInterfaceDescriptor( | 630 virtual void InitializeInterfaceDescriptor( |
624 Isolate* isolate, | 631 Isolate* isolate, |
625 CodeStubInterfaceDescriptor* descriptor); | 632 CodeStubInterfaceDescriptor* descriptor); |
626 | 633 |
| 634 static void InstallDescriptors(Isolate* isolate); |
| 635 |
627 private: | 636 private: |
628 Mode mode_; | 637 Mode mode_; |
629 AllocationSiteMode allocation_site_mode_; | 638 AllocationSiteMode allocation_site_mode_; |
630 int length_; | 639 int length_; |
631 | 640 |
632 class AllocationSiteModeBits: public BitField<AllocationSiteMode, 0, 1> {}; | 641 class AllocationSiteModeBits: public BitField<AllocationSiteMode, 0, 1> {}; |
633 class ModeBits: public BitField<Mode, 1, 4> {}; | 642 class ModeBits: public BitField<Mode, 1, 4> {}; |
634 class LengthBits: public BitField<int, 5, 4> {}; | 643 class LengthBits: public BitField<int, 5, 4> {}; |
635 // Ensure data fits within available bits. | 644 // Ensure data fits within available bits. |
636 STATIC_ASSERT(LAST_ALLOCATION_SITE_MODE == 1); | 645 STATIC_ASSERT(LAST_ALLOCATION_SITE_MODE == 1); |
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1368 | 1377 |
1369 static Handle<Code> GetUninitialized(Isolate* isolate, | 1378 static Handle<Code> GetUninitialized(Isolate* isolate, |
1370 NilValue nil) { | 1379 NilValue nil) { |
1371 return CompareNilICStub(nil, UNINITIALIZED).GetCode(isolate); | 1380 return CompareNilICStub(nil, UNINITIALIZED).GetCode(isolate); |
1372 } | 1381 } |
1373 | 1382 |
1374 virtual void InitializeInterfaceDescriptor( | 1383 virtual void InitializeInterfaceDescriptor( |
1375 Isolate* isolate, | 1384 Isolate* isolate, |
1376 CodeStubInterfaceDescriptor* descriptor); | 1385 CodeStubInterfaceDescriptor* descriptor); |
1377 | 1386 |
1378 static void InitializeForIsolate(Isolate* isolate) { | 1387 static void InstallDescriptors(Isolate* isolate) { |
1379 CompareNilICStub compare_stub(kNullValue, UNINITIALIZED); | 1388 CompareNilICStub compare_stub(kNullValue, UNINITIALIZED); |
1380 compare_stub.InitializeInterfaceDescriptor( | 1389 compare_stub.InitializeInterfaceDescriptor( |
1381 isolate, | 1390 isolate, |
1382 isolate->code_stub_interface_descriptor(CodeStub::CompareNilIC)); | 1391 isolate->code_stub_interface_descriptor(CodeStub::CompareNilIC)); |
1383 } | 1392 } |
1384 | 1393 |
1385 virtual InlineCacheState GetICState() { | 1394 virtual InlineCacheState GetICState() { |
1386 if (state_.Contains(GENERIC)) { | 1395 if (state_.Contains(GENERIC)) { |
1387 return MEGAMORPHIC; | 1396 return MEGAMORPHIC; |
1388 } else if (state_.Contains(MONOMORPHIC_MAP)) { | 1397 } else if (state_.Contains(MONOMORPHIC_MAP)) { |
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2325 virtual Handle<Code> GenerateCode(Isolate* isolate); | 2334 virtual Handle<Code> GenerateCode(Isolate* isolate); |
2326 virtual void InitializeInterfaceDescriptor( | 2335 virtual void InitializeInterfaceDescriptor( |
2327 Isolate* isolate, | 2336 Isolate* isolate, |
2328 CodeStubInterfaceDescriptor* descriptor); | 2337 CodeStubInterfaceDescriptor* descriptor); |
2329 | 2338 |
2330 virtual Code::Kind GetCodeKind() const { return Code::TO_BOOLEAN_IC; } | 2339 virtual Code::Kind GetCodeKind() const { return Code::TO_BOOLEAN_IC; } |
2331 virtual void PrintState(StringStream* stream); | 2340 virtual void PrintState(StringStream* stream); |
2332 | 2341 |
2333 virtual bool SometimesSetsUpAFrame() { return false; } | 2342 virtual bool SometimesSetsUpAFrame() { return false; } |
2334 | 2343 |
2335 static void InitializeForIsolate(Isolate* isolate) { | 2344 static void InstallDescriptors(Isolate* isolate) { |
2336 ToBooleanStub stub; | 2345 ToBooleanStub stub; |
2337 stub.InitializeInterfaceDescriptor( | 2346 stub.InitializeInterfaceDescriptor( |
2338 isolate, | 2347 isolate, |
2339 isolate->code_stub_interface_descriptor(CodeStub::ToBoolean)); | 2348 isolate->code_stub_interface_descriptor(CodeStub::ToBoolean)); |
2340 } | 2349 } |
2341 | 2350 |
2342 static Handle<Code> GetUninitialized(Isolate* isolate) { | 2351 static Handle<Code> GetUninitialized(Isolate* isolate) { |
2343 return ToBooleanStub(UNINITIALIZED).GetCode(isolate); | 2352 return ToBooleanStub(UNINITIALIZED).GetCode(isolate); |
2344 } | 2353 } |
2345 | 2354 |
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2481 | 2490 |
2482 | 2491 |
2483 class CallDescriptors { | 2492 class CallDescriptors { |
2484 public: | 2493 public: |
2485 static void InitializeForIsolate(Isolate* isolate); | 2494 static void InitializeForIsolate(Isolate* isolate); |
2486 }; | 2495 }; |
2487 | 2496 |
2488 } } // namespace v8::internal | 2497 } } // namespace v8::internal |
2489 | 2498 |
2490 #endif // V8_CODE_STUBS_H_ | 2499 #endif // V8_CODE_STUBS_H_ |
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