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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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