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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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470 isolate()); | 470 isolate()); |
471 AddStoreMapConstant(object, allocation_site_map); | 471 AddStoreMapConstant(object, allocation_site_map); |
472 | 472 |
473 // Store the payload (smi elements kind) | 473 // Store the payload (smi elements kind) |
474 HValue* initial_elements_kind = AddInstruction(new(zone) HConstant( | 474 HValue* initial_elements_kind = AddInstruction(new(zone) HConstant( |
475 GetInitialFastElementsKind())); | 475 GetInitialFastElementsKind())); |
476 Add<HStoreNamedField>(object, | 476 Add<HStoreNamedField>(object, |
477 HObjectAccess::ForAllocationSiteTransitionInfo(), | 477 HObjectAccess::ForAllocationSiteTransitionInfo(), |
478 initial_elements_kind); | 478 initial_elements_kind); |
479 | 479 |
480 Add<HLinkObjectInList>(object, HObjectAccess::ForAllocationSiteWeakNext(), | 480 // Link the object to the allocation site list |
481 HLinkObjectInList::ALLOCATION_SITE_LIST); | 481 HValue* site_list = Add<HConstant>( |
| 482 ExternalReference::allocation_sites_list_address(isolate())); |
| 483 HValue* site = AddLoad(site_list, HObjectAccess::ForAllocationSiteList()); |
| 484 HStoreNamedField* store = |
| 485 AddStore(object, HObjectAccess::ForAllocationSiteWeakNext(), site); |
| 486 store->SkipWriteBarrier(); |
| 487 AddStore(site_list, HObjectAccess::ForAllocationSiteList(), object); |
482 | 488 |
483 // We use a hammer (SkipWriteBarrier()) to indicate that we know the input | 489 // We use a hammer (SkipWriteBarrier()) to indicate that we know the input |
484 // cell is really a Cell, and so no write barrier is needed. | 490 // cell is really a Cell, and so no write barrier is needed. |
485 // TODO(mvstanton): Add a debug_code check to verify the input cell is really | 491 // TODO(mvstanton): Add a debug_code check to verify the input cell is really |
486 // a cell. (perhaps with a new instruction, HAssert). | 492 // a cell. (perhaps with a new instruction, HAssert). |
487 HInstruction* cell = GetParameter(0); | 493 HInstruction* cell = GetParameter(0); |
488 HObjectAccess access = HObjectAccess::ForCellValue(); | 494 HObjectAccess access = HObjectAccess::ForCellValue(); |
489 HStoreNamedField* store = AddStore(cell, access, object); | 495 store = AddStore(cell, access, object); |
490 store->SkipWriteBarrier(); | 496 store->SkipWriteBarrier(); |
491 return cell; | 497 return cell; |
492 } | 498 } |
493 | 499 |
494 | 500 |
495 Handle<Code> CreateAllocationSiteStub::GenerateCode() { | 501 Handle<Code> CreateAllocationSiteStub::GenerateCode() { |
496 return DoGenerateCode(this); | 502 return DoGenerateCode(this); |
497 } | 503 } |
498 | 504 |
499 | 505 |
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945 return value; | 951 return value; |
946 } | 952 } |
947 | 953 |
948 | 954 |
949 Handle<Code> ElementsTransitionAndStoreStub::GenerateCode() { | 955 Handle<Code> ElementsTransitionAndStoreStub::GenerateCode() { |
950 return DoGenerateCode(this); | 956 return DoGenerateCode(this); |
951 } | 957 } |
952 | 958 |
953 | 959 |
954 } } // namespace v8::internal | 960 } } // namespace v8::internal |
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