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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 #if V8_TARGET_ARCH_MIPS64 | 5 #if V8_TARGET_ARCH_MIPS64 |
6 | 6 |
7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
8 #include "src/ic/ic.h" | 8 #include "src/ic/ic.h" |
9 #include "src/ic/ic-compiler.h" | 9 #include "src/ic/ic-compiler.h" |
10 #include "src/ic/stub-cache.h" | 10 #include "src/ic/stub-cache.h" |
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432 DCHECK(!AreAliased(vector, slot, a4, a5, a6, t1)); | 432 DCHECK(!AreAliased(vector, slot, a4, a5, a6, t1)); |
433 Handle<TypeFeedbackVector> dummy_vector = | 433 Handle<TypeFeedbackVector> dummy_vector = |
434 TypeFeedbackVector::DummyVector(masm->isolate()); | 434 TypeFeedbackVector::DummyVector(masm->isolate()); |
435 int slot_index = dummy_vector->GetIndex( | 435 int slot_index = dummy_vector->GetIndex( |
436 FeedbackVectorICSlot(TypeFeedbackVector::kDummyKeyedLoadICSlot)); | 436 FeedbackVectorICSlot(TypeFeedbackVector::kDummyKeyedLoadICSlot)); |
437 __ LoadRoot(vector, Heap::kDummyVectorRootIndex); | 437 __ LoadRoot(vector, Heap::kDummyVectorRootIndex); |
438 __ li(slot, Operand(Smi::FromInt(slot_index))); | 438 __ li(slot, Operand(Smi::FromInt(slot_index))); |
439 | 439 |
440 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 440 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
441 Code::ComputeHandlerFlags(Code::LOAD_IC)); | 441 Code::ComputeHandlerFlags(Code::LOAD_IC)); |
442 masm->isolate()->stub_cache()->GenerateProbe( | 442 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::LOAD_IC, flags, |
443 masm, Code::LOAD_IC, flags, false, receiver, key, a4, a5, a6, t1); | 443 receiver, key, a4, a5, a6, t1); |
444 // Cache miss. | 444 // Cache miss. |
445 GenerateMiss(masm); | 445 GenerateMiss(masm); |
446 | 446 |
447 // Do a quick inline probe of the receiver's dictionary, if it | 447 // Do a quick inline probe of the receiver's dictionary, if it |
448 // exists. | 448 // exists. |
449 __ bind(&probe_dictionary); | 449 __ bind(&probe_dictionary); |
450 // a3: elements | 450 // a3: elements |
451 __ ld(a0, FieldMemOperand(receiver, HeapObject::kMapOffset)); | 451 __ ld(a0, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
452 __ lbu(a0, FieldMemOperand(a0, Map::kInstanceTypeOffset)); | 452 __ lbu(a0, FieldMemOperand(a0, Map::kInstanceTypeOffset)); |
453 GenerateGlobalInstanceTypeCheck(masm, a0, &slow); | 453 GenerateGlobalInstanceTypeCheck(masm, a0, &slow); |
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683 Handle<TypeFeedbackVector> dummy_vector = | 683 Handle<TypeFeedbackVector> dummy_vector = |
684 TypeFeedbackVector::DummyVector(masm->isolate()); | 684 TypeFeedbackVector::DummyVector(masm->isolate()); |
685 int slot_index = dummy_vector->GetIndex( | 685 int slot_index = dummy_vector->GetIndex( |
686 FeedbackVectorICSlot(TypeFeedbackVector::kDummyKeyedStoreICSlot)); | 686 FeedbackVectorICSlot(TypeFeedbackVector::kDummyKeyedStoreICSlot)); |
687 __ LoadRoot(vector, Heap::kDummyVectorRootIndex); | 687 __ LoadRoot(vector, Heap::kDummyVectorRootIndex); |
688 __ li(slot, Operand(Smi::FromInt(slot_index))); | 688 __ li(slot, Operand(Smi::FromInt(slot_index))); |
689 } | 689 } |
690 | 690 |
691 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 691 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
692 Code::ComputeHandlerFlags(Code::STORE_IC)); | 692 Code::ComputeHandlerFlags(Code::STORE_IC)); |
693 masm->isolate()->stub_cache()->GenerateProbe( | 693 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::STORE_IC, flags, |
694 masm, Code::STORE_IC, flags, false, receiver, key, a3, a4, a5, a6); | 694 receiver, key, a3, a4, a5, a6); |
695 // Cache miss. | 695 // Cache miss. |
696 __ Branch(&miss); | 696 __ Branch(&miss); |
697 | 697 |
698 // Extra capacity case: Check if there is extra capacity to | 698 // Extra capacity case: Check if there is extra capacity to |
699 // perform the store and update the length. Used for adding one | 699 // perform the store and update the length. Used for adding one |
700 // element to the array by writing to array[array.length]. | 700 // element to the array by writing to array[array.length]. |
701 __ bind(&extra); | 701 __ bind(&extra); |
702 // Condition code from comparing key and array length is still available. | 702 // Condition code from comparing key and array length is still available. |
703 // Only support writing to array[array.length]. | 703 // Only support writing to array[array.length]. |
704 __ Branch(&slow, ne, key, Operand(a4)); | 704 __ Branch(&slow, ne, key, Operand(a4)); |
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763 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) { | 763 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) { |
764 Register receiver = StoreDescriptor::ReceiverRegister(); | 764 Register receiver = StoreDescriptor::ReceiverRegister(); |
765 Register name = StoreDescriptor::NameRegister(); | 765 Register name = StoreDescriptor::NameRegister(); |
766 DCHECK(receiver.is(a1)); | 766 DCHECK(receiver.is(a1)); |
767 DCHECK(name.is(a2)); | 767 DCHECK(name.is(a2)); |
768 DCHECK(StoreDescriptor::ValueRegister().is(a0)); | 768 DCHECK(StoreDescriptor::ValueRegister().is(a0)); |
769 | 769 |
770 // Get the receiver from the stack and probe the stub cache. | 770 // Get the receiver from the stack and probe the stub cache. |
771 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 771 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
772 Code::ComputeHandlerFlags(Code::STORE_IC)); | 772 Code::ComputeHandlerFlags(Code::STORE_IC)); |
773 masm->isolate()->stub_cache()->GenerateProbe( | 773 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::STORE_IC, flags, |
774 masm, Code::STORE_IC, flags, false, receiver, name, a3, a4, a5, a6); | 774 receiver, name, a3, a4, a5, a6); |
775 | 775 |
776 // Cache miss: Jump to runtime. | 776 // Cache miss: Jump to runtime. |
777 GenerateMiss(masm); | 777 GenerateMiss(masm); |
778 } | 778 } |
779 | 779 |
780 | 780 |
781 void StoreIC::GenerateMiss(MacroAssembler* masm) { | 781 void StoreIC::GenerateMiss(MacroAssembler* masm) { |
782 StoreIC_PushArgs(masm); | 782 StoreIC_PushArgs(masm); |
783 | 783 |
784 // Perform tail call to the entry. | 784 // Perform tail call to the entry. |
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900 patcher.ChangeBranchCondition(ne); | 900 patcher.ChangeBranchCondition(ne); |
901 } else { | 901 } else { |
902 DCHECK(Assembler::IsBne(branch_instr)); | 902 DCHECK(Assembler::IsBne(branch_instr)); |
903 patcher.ChangeBranchCondition(eq); | 903 patcher.ChangeBranchCondition(eq); |
904 } | 904 } |
905 } | 905 } |
906 } // namespace internal | 906 } // namespace internal |
907 } // namespace v8 | 907 } // namespace v8 |
908 | 908 |
909 #endif // V8_TARGET_ARCH_MIPS64 | 909 #endif // V8_TARGET_ARCH_MIPS64 |
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