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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_MIPS | 5 #if V8_TARGET_ARCH_MIPS |
| 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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| 435 DCHECK(!AreAliased(vector, slot, t0, t1, t2, t5)); | 435 DCHECK(!AreAliased(vector, slot, t0, t1, t2, t5)); |
| 436 Handle<TypeFeedbackVector> dummy_vector = | 436 Handle<TypeFeedbackVector> dummy_vector = |
| 437 TypeFeedbackVector::DummyVector(masm->isolate()); | 437 TypeFeedbackVector::DummyVector(masm->isolate()); |
| 438 int slot_index = dummy_vector->GetIndex( | 438 int slot_index = dummy_vector->GetIndex( |
| 439 FeedbackVectorICSlot(TypeFeedbackVector::kDummyKeyedLoadICSlot)); | 439 FeedbackVectorICSlot(TypeFeedbackVector::kDummyKeyedLoadICSlot)); |
| 440 __ LoadRoot(vector, Heap::kDummyVectorRootIndex); | 440 __ LoadRoot(vector, Heap::kDummyVectorRootIndex); |
| 441 __ li(slot, Operand(Smi::FromInt(slot_index))); | 441 __ li(slot, Operand(Smi::FromInt(slot_index))); |
| 442 | 442 |
| 443 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 443 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
| 444 Code::ComputeHandlerFlags(Code::LOAD_IC)); | 444 Code::ComputeHandlerFlags(Code::LOAD_IC)); |
| 445 masm->isolate()->stub_cache()->GenerateProbe( | 445 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::LOAD_IC, flags, |
| 446 masm, Code::LOAD_IC, flags, false, receiver, key, t0, t1, t2, t5); | 446 receiver, key, t0, t1, t2, t5); |
| 447 // Cache miss. | 447 // Cache miss. |
| 448 GenerateMiss(masm); | 448 GenerateMiss(masm); |
| 449 | 449 |
| 450 // Do a quick inline probe of the receiver's dictionary, if it | 450 // Do a quick inline probe of the receiver's dictionary, if it |
| 451 // exists. | 451 // exists. |
| 452 __ bind(&probe_dictionary); | 452 __ bind(&probe_dictionary); |
| 453 // a3: elements | 453 // a3: elements |
| 454 __ lw(a0, FieldMemOperand(receiver, HeapObject::kMapOffset)); | 454 __ lw(a0, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
| 455 __ lbu(a0, FieldMemOperand(a0, Map::kInstanceTypeOffset)); | 455 __ lbu(a0, FieldMemOperand(a0, Map::kInstanceTypeOffset)); |
| 456 GenerateGlobalInstanceTypeCheck(masm, a0, &slow); | 456 GenerateGlobalInstanceTypeCheck(masm, a0, &slow); |
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| 685 Handle<TypeFeedbackVector> dummy_vector = | 685 Handle<TypeFeedbackVector> dummy_vector = |
| 686 TypeFeedbackVector::DummyVector(masm->isolate()); | 686 TypeFeedbackVector::DummyVector(masm->isolate()); |
| 687 int slot_index = dummy_vector->GetIndex( | 687 int slot_index = dummy_vector->GetIndex( |
| 688 FeedbackVectorICSlot(TypeFeedbackVector::kDummyKeyedStoreICSlot)); | 688 FeedbackVectorICSlot(TypeFeedbackVector::kDummyKeyedStoreICSlot)); |
| 689 __ LoadRoot(vector, Heap::kDummyVectorRootIndex); | 689 __ LoadRoot(vector, Heap::kDummyVectorRootIndex); |
| 690 __ li(slot, Operand(Smi::FromInt(slot_index))); | 690 __ li(slot, Operand(Smi::FromInt(slot_index))); |
| 691 } | 691 } |
| 692 | 692 |
| 693 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 693 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
| 694 Code::ComputeHandlerFlags(Code::STORE_IC)); | 694 Code::ComputeHandlerFlags(Code::STORE_IC)); |
| 695 masm->isolate()->stub_cache()->GenerateProbe( | 695 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::STORE_IC, flags, |
| 696 masm, Code::STORE_IC, flags, false, receiver, key, a3, t0, t1, t2); | 696 receiver, key, a3, t0, t1, t2); |
| 697 // Cache miss. | 697 // Cache miss. |
| 698 __ Branch(&miss); | 698 __ Branch(&miss); |
| 699 | 699 |
| 700 // Extra capacity case: Check if there is extra capacity to | 700 // Extra capacity case: Check if there is extra capacity to |
| 701 // perform the store and update the length. Used for adding one | 701 // perform the store and update the length. Used for adding one |
| 702 // element to the array by writing to array[array.length]. | 702 // element to the array by writing to array[array.length]. |
| 703 __ bind(&extra); | 703 __ bind(&extra); |
| 704 // Condition code from comparing key and array length is still available. | 704 // Condition code from comparing key and array length is still available. |
| 705 // Only support writing to array[array.length]. | 705 // Only support writing to array[array.length]. |
| 706 __ Branch(&slow, ne, key, Operand(t0)); | 706 __ Branch(&slow, ne, key, Operand(t0)); |
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| 765 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) { | 765 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) { |
| 766 Register receiver = StoreDescriptor::ReceiverRegister(); | 766 Register receiver = StoreDescriptor::ReceiverRegister(); |
| 767 Register name = StoreDescriptor::NameRegister(); | 767 Register name = StoreDescriptor::NameRegister(); |
| 768 DCHECK(receiver.is(a1)); | 768 DCHECK(receiver.is(a1)); |
| 769 DCHECK(name.is(a2)); | 769 DCHECK(name.is(a2)); |
| 770 DCHECK(StoreDescriptor::ValueRegister().is(a0)); | 770 DCHECK(StoreDescriptor::ValueRegister().is(a0)); |
| 771 | 771 |
| 772 // Get the receiver from the stack and probe the stub cache. | 772 // Get the receiver from the stack and probe the stub cache. |
| 773 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 773 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
| 774 Code::ComputeHandlerFlags(Code::STORE_IC)); | 774 Code::ComputeHandlerFlags(Code::STORE_IC)); |
| 775 masm->isolate()->stub_cache()->GenerateProbe( | 775 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::STORE_IC, flags, |
| 776 masm, Code::STORE_IC, flags, false, receiver, name, a3, t0, t1, t2); | 776 receiver, name, a3, t0, t1, t2); |
| 777 | 777 |
| 778 // Cache miss: Jump to runtime. | 778 // Cache miss: Jump to runtime. |
| 779 GenerateMiss(masm); | 779 GenerateMiss(masm); |
| 780 } | 780 } |
| 781 | 781 |
| 782 | 782 |
| 783 void StoreIC::GenerateMiss(MacroAssembler* masm) { | 783 void StoreIC::GenerateMiss(MacroAssembler* masm) { |
| 784 StoreIC_PushArgs(masm); | 784 StoreIC_PushArgs(masm); |
| 785 | 785 |
| 786 // Perform tail call to the entry. | 786 // Perform tail call to the entry. |
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| 904 patcher.ChangeBranchCondition(ne); | 904 patcher.ChangeBranchCondition(ne); |
| 905 } else { | 905 } else { |
| 906 DCHECK(Assembler::IsBne(branch_instr)); | 906 DCHECK(Assembler::IsBne(branch_instr)); |
| 907 patcher.ChangeBranchCondition(eq); | 907 patcher.ChangeBranchCondition(eq); |
| 908 } | 908 } |
| 909 } | 909 } |
| 910 } // namespace internal | 910 } // namespace internal |
| 911 } // namespace v8 | 911 } // namespace v8 |
| 912 | 912 |
| 913 #endif // V8_TARGET_ARCH_MIPS | 913 #endif // V8_TARGET_ARCH_MIPS |
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