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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/bailout-reason.h" | 7 #include "src/bailout-reason.h" |
8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
9 #include "src/field-index.h" | 9 #include "src/field-index.h" |
10 #include "src/hydrogen.h" | 10 #include "src/hydrogen.h" |
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511 Handle<Code> CreateAllocationSiteStub::GenerateCode() { | 511 Handle<Code> CreateAllocationSiteStub::GenerateCode() { |
512 return DoGenerateCode(this); | 512 return DoGenerateCode(this); |
513 } | 513 } |
514 | 514 |
515 | 515 |
516 template <> | 516 template <> |
517 HValue* CodeStubGraphBuilder<LoadGlobalContextFieldStub>::BuildCodeStub() { | 517 HValue* CodeStubGraphBuilder<LoadGlobalContextFieldStub>::BuildCodeStub() { |
518 int context_index = casted_stub()->context_index(); | 518 int context_index = casted_stub()->context_index(); |
519 int slot_index = casted_stub()->slot_index(); | 519 int slot_index = casted_stub()->slot_index(); |
520 | 520 |
521 HValue* native_context = BuildGetNativeContext(); | 521 HValue* global_context = BuildGetGlobalContext(context_index); |
522 HValue* global_context_table = Add<HLoadNamedField>( | |
523 native_context, static_cast<HValue*>(NULL), | |
524 HObjectAccess::ForContextSlot(Context::GLOBAL_CONTEXT_TABLE_INDEX)); | |
525 HValue* global_context = | |
526 Add<HLoadNamedField>(global_context_table, static_cast<HValue*>(NULL), | |
527 HObjectAccess::ForGlobalContext(context_index)); | |
528 return Add<HLoadNamedField>(global_context, static_cast<HValue*>(NULL), | 522 return Add<HLoadNamedField>(global_context, static_cast<HValue*>(NULL), |
529 HObjectAccess::ForContextSlot(slot_index)); | 523 HObjectAccess::ForContextSlot(slot_index)); |
530 } | 524 } |
531 | 525 |
532 | 526 |
533 Handle<Code> LoadGlobalContextFieldStub::GenerateCode() { | 527 Handle<Code> LoadGlobalContextFieldStub::GenerateCode() { |
534 return DoGenerateCode(this); | 528 return DoGenerateCode(this); |
535 } | 529 } |
536 | 530 |
537 | 531 |
538 template <> | 532 template <> |
| 533 HValue* CodeStubGraphBuilder<StoreGlobalContextFieldStub>::BuildCodeStub() { |
| 534 int context_index = casted_stub()->context_index(); |
| 535 int slot_index = casted_stub()->slot_index(); |
| 536 |
| 537 HValue* global_context = BuildGetGlobalContext(context_index); |
| 538 Add<HStoreNamedField>(global_context, |
| 539 HObjectAccess::ForContextSlot(slot_index), |
| 540 GetParameter(2), STORE_TO_INITIALIZED_ENTRY); |
| 541 return GetParameter(2); |
| 542 } |
| 543 |
| 544 |
| 545 Handle<Code> StoreGlobalContextFieldStub::GenerateCode() { |
| 546 return DoGenerateCode(this); |
| 547 } |
| 548 |
| 549 |
| 550 template <> |
539 HValue* CodeStubGraphBuilder<LoadFastElementStub>::BuildCodeStub() { | 551 HValue* CodeStubGraphBuilder<LoadFastElementStub>::BuildCodeStub() { |
540 HInstruction* load = BuildUncheckedMonomorphicElementAccess( | 552 HInstruction* load = BuildUncheckedMonomorphicElementAccess( |
541 GetParameter(LoadDescriptor::kReceiverIndex), | 553 GetParameter(LoadDescriptor::kReceiverIndex), |
542 GetParameter(LoadDescriptor::kNameIndex), NULL, | 554 GetParameter(LoadDescriptor::kNameIndex), NULL, |
543 casted_stub()->is_js_array(), casted_stub()->elements_kind(), LOAD, | 555 casted_stub()->is_js_array(), casted_stub()->elements_kind(), LOAD, |
544 NEVER_RETURN_HOLE, STANDARD_STORE); | 556 NEVER_RETURN_HOLE, STANDARD_STORE); |
545 return load; | 557 return load; |
546 } | 558 } |
547 | 559 |
548 | 560 |
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2029 | 2041 |
2030 // Probe the stub cache. | 2042 // Probe the stub cache. |
2031 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 2043 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
2032 Code::ComputeHandlerFlags(Code::LOAD_IC)); | 2044 Code::ComputeHandlerFlags(Code::LOAD_IC)); |
2033 Add<HTailCallThroughMegamorphicCache>(receiver, name, flags); | 2045 Add<HTailCallThroughMegamorphicCache>(receiver, name, flags); |
2034 | 2046 |
2035 // We never continue. | 2047 // We never continue. |
2036 return graph()->GetConstant0(); | 2048 return graph()->GetConstant0(); |
2037 } | 2049 } |
2038 } } // namespace v8::internal | 2050 } } // namespace v8::internal |
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