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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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418 HValue* boilerplate_size = | 418 HValue* boilerplate_size = |
419 AddInstruction(new(zone) HInstanceSize(boilerplate)); | 419 AddInstruction(new(zone) HInstanceSize(boilerplate)); |
420 HValue* size_in_words = Add<HConstant>(size >> kPointerSizeLog2); | 420 HValue* size_in_words = Add<HConstant>(size >> kPointerSizeLog2); |
421 checker.If<HCompareNumericAndBranch>(boilerplate_size, | 421 checker.If<HCompareNumericAndBranch>(boilerplate_size, |
422 size_in_words, Token::EQ); | 422 size_in_words, Token::EQ); |
423 checker.Then(); | 423 checker.Then(); |
424 | 424 |
425 HValue* size_in_bytes = Add<HConstant>(size); | 425 HValue* size_in_bytes = Add<HConstant>(size); |
426 | 426 |
427 HInstruction* object = Add<HAllocate>(size_in_bytes, HType::JSObject(), | 427 HInstruction* object = Add<HAllocate>(size_in_bytes, HType::JSObject(), |
428 isolate()->heap()->ShouldGloballyPretenure()); | 428 isolate()->heap()->GetPretenureMode(), JS_OBJECT_TYPE); |
429 | 429 |
430 for (int i = 0; i < size; i += kPointerSize) { | 430 for (int i = 0; i < size; i += kPointerSize) { |
431 HObjectAccess access = HObjectAccess::ForJSObjectOffset(i); | 431 HObjectAccess access = HObjectAccess::ForJSObjectOffset(i); |
432 Add<HStoreNamedField>(object, access, | 432 Add<HStoreNamedField>(object, access, |
433 Add<HLoadNamedField>(boilerplate, access)); | 433 Add<HLoadNamedField>(boilerplate, access)); |
434 } | 434 } |
435 | 435 |
436 environment()->Push(object); | 436 environment()->Push(object); |
437 checker.ElseDeopt(); | 437 checker.ElseDeopt(); |
438 checker.End(); | 438 checker.End(); |
439 | 439 |
440 return environment()->Pop(); | 440 return environment()->Pop(); |
441 } | 441 } |
442 | 442 |
443 | 443 |
444 Handle<Code> FastCloneShallowObjectStub::GenerateCode() { | 444 Handle<Code> FastCloneShallowObjectStub::GenerateCode() { |
445 return DoGenerateCode(this); | 445 return DoGenerateCode(this); |
446 } | 446 } |
447 | 447 |
448 | 448 |
449 template <> | 449 template <> |
450 HValue* CodeStubGraphBuilder<CreateAllocationSiteStub>::BuildCodeStub() { | 450 HValue* CodeStubGraphBuilder<CreateAllocationSiteStub>::BuildCodeStub() { |
451 HValue* size = Add<HConstant>(AllocationSite::kSize); | 451 HValue* size = Add<HConstant>(AllocationSite::kSize); |
452 HInstruction* object = Add<HAllocate>(size, HType::JSObject(), true); | 452 HInstruction* object = Add<HAllocate>(size, HType::JSObject(), TENURED, |
| 453 JS_OBJECT_TYPE); |
453 | 454 |
454 // Store the map | 455 // Store the map |
455 Handle<Map> allocation_site_map(isolate()->heap()->allocation_site_map(), | 456 Handle<Map> allocation_site_map(isolate()->heap()->allocation_site_map(), |
456 isolate()); | 457 isolate()); |
457 AddStoreMapConstant(object, allocation_site_map); | 458 AddStoreMapConstant(object, allocation_site_map); |
458 | 459 |
459 // Store the payload (smi elements kind) | 460 // Store the payload (smi elements kind) |
460 HValue* initial_elements_kind = Add<HConstant>(GetInitialFastElementsKind()); | 461 HValue* initial_elements_kind = Add<HConstant>(GetInitialFastElementsKind()); |
461 Add<HStoreNamedField>(object, | 462 Add<HStoreNamedField>(object, |
462 HObjectAccess::ForAllocationSiteTransitionInfo(), | 463 HObjectAccess::ForAllocationSiteTransitionInfo(), |
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934 return value; | 935 return value; |
935 } | 936 } |
936 | 937 |
937 | 938 |
938 Handle<Code> ElementsTransitionAndStoreStub::GenerateCode() { | 939 Handle<Code> ElementsTransitionAndStoreStub::GenerateCode() { |
939 return DoGenerateCode(this); | 940 return DoGenerateCode(this); |
940 } | 941 } |
941 | 942 |
942 | 943 |
943 } } // namespace v8::internal | 944 } } // namespace v8::internal |
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