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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
| 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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| 403 __ JumpIfRoot(scratch3, Heap::kHashTableMapRootIndex, &probe_dictionary); | 403 __ JumpIfRoot(scratch3, Heap::kHashTableMapRootIndex, &probe_dictionary); |
| 404 | 404 |
| 405 // The handlers in the stub cache expect a vector and slot. Since we won't | 405 // The handlers in the stub cache expect a vector and slot. Since we won't |
| 406 // change the IC from any downstream misses, a dummy vector can be used. | 406 // change the IC from any downstream misses, a dummy vector can be used. |
| 407 Register vector = LoadWithVectorDescriptor::VectorRegister(); | 407 Register vector = LoadWithVectorDescriptor::VectorRegister(); |
| 408 Register slot = LoadWithVectorDescriptor::SlotRegister(); | 408 Register slot = LoadWithVectorDescriptor::SlotRegister(); |
| 409 DCHECK(!AreAliased(vector, slot, scratch1, scratch2, scratch3, scratch4)); | 409 DCHECK(!AreAliased(vector, slot, scratch1, scratch2, scratch3, scratch4)); |
| 410 Handle<TypeFeedbackVector> dummy_vector = | 410 Handle<TypeFeedbackVector> dummy_vector = |
| 411 TypeFeedbackVector::DummyVector(masm->isolate()); | 411 TypeFeedbackVector::DummyVector(masm->isolate()); |
| 412 int slot_index = dummy_vector->GetIndex( | 412 int slot_index = dummy_vector->GetIndex( |
| 413 FeedbackVectorICSlot(TypeFeedbackVector::kDummyKeyedLoadICSlot)); | 413 FeedbackVectorSlot(TypeFeedbackVector::kDummyKeyedLoadICSlot)); |
| 414 __ LoadRoot(vector, Heap::kDummyVectorRootIndex); | 414 __ LoadRoot(vector, Heap::kDummyVectorRootIndex); |
| 415 __ Mov(slot, Operand(Smi::FromInt(slot_index))); | 415 __ Mov(slot, Operand(Smi::FromInt(slot_index))); |
| 416 | 416 |
| 417 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 417 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
| 418 Code::ComputeHandlerFlags(Code::LOAD_IC)); | 418 Code::ComputeHandlerFlags(Code::LOAD_IC)); |
| 419 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::KEYED_LOAD_IC, flags, | 419 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::KEYED_LOAD_IC, flags, |
| 420 receiver, key, scratch1, | 420 receiver, key, scratch1, |
| 421 scratch2, scratch3, scratch4); | 421 scratch2, scratch3, scratch4); |
| 422 // Cache miss. | 422 // Cache miss. |
| 423 KeyedLoadIC::GenerateMiss(masm); | 423 KeyedLoadIC::GenerateMiss(masm); |
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| 693 | 693 |
| 694 if (FLAG_vector_stores) { | 694 if (FLAG_vector_stores) { |
| 695 // The handlers in the stub cache expect a vector and slot. Since we won't | 695 // The handlers in the stub cache expect a vector and slot. Since we won't |
| 696 // change the IC from any downstream misses, a dummy vector can be used. | 696 // change the IC from any downstream misses, a dummy vector can be used. |
| 697 Register vector = VectorStoreICDescriptor::VectorRegister(); | 697 Register vector = VectorStoreICDescriptor::VectorRegister(); |
| 698 Register slot = VectorStoreICDescriptor::SlotRegister(); | 698 Register slot = VectorStoreICDescriptor::SlotRegister(); |
| 699 DCHECK(!AreAliased(vector, slot, x5, x6, x7, x8)); | 699 DCHECK(!AreAliased(vector, slot, x5, x6, x7, x8)); |
| 700 Handle<TypeFeedbackVector> dummy_vector = | 700 Handle<TypeFeedbackVector> dummy_vector = |
| 701 TypeFeedbackVector::DummyVector(masm->isolate()); | 701 TypeFeedbackVector::DummyVector(masm->isolate()); |
| 702 int slot_index = dummy_vector->GetIndex( | 702 int slot_index = dummy_vector->GetIndex( |
| 703 FeedbackVectorICSlot(TypeFeedbackVector::kDummyKeyedStoreICSlot)); | 703 FeedbackVectorSlot(TypeFeedbackVector::kDummyKeyedStoreICSlot)); |
| 704 __ LoadRoot(vector, Heap::kDummyVectorRootIndex); | 704 __ LoadRoot(vector, Heap::kDummyVectorRootIndex); |
| 705 __ Mov(slot, Operand(Smi::FromInt(slot_index))); | 705 __ Mov(slot, Operand(Smi::FromInt(slot_index))); |
| 706 } | 706 } |
| 707 | 707 |
| 708 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 708 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
| 709 Code::ComputeHandlerFlags(Code::STORE_IC)); | 709 Code::ComputeHandlerFlags(Code::STORE_IC)); |
| 710 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::STORE_IC, flags, | 710 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::STORE_IC, flags, |
| 711 receiver, key, x5, x6, x7, x8); | 711 receiver, key, x5, x6, x7, x8); |
| 712 // Cache miss. | 712 // Cache miss. |
| 713 __ B(&miss); | 713 __ B(&miss); |
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| 890 } else { | 890 } else { |
| 891 DCHECK(to_patch->Mask(TestBranchMask) == TBNZ); | 891 DCHECK(to_patch->Mask(TestBranchMask) == TBNZ); |
| 892 // This is JumpIfSmi(smi_reg, branch_imm). | 892 // This is JumpIfSmi(smi_reg, branch_imm). |
| 893 patcher.tbz(smi_reg, 0, branch_imm); | 893 patcher.tbz(smi_reg, 0, branch_imm); |
| 894 } | 894 } |
| 895 } | 895 } |
| 896 } // namespace internal | 896 } // namespace internal |
| 897 } // namespace v8 | 897 } // namespace v8 |
| 898 | 898 |
| 899 #endif // V8_TARGET_ARCH_ARM64 | 899 #endif // V8_TARGET_ARCH_ARM64 |
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