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Issue 21345002: Get rid of HLinkObjectInList. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 4 months ago
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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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