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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_X64 | 5 #if V8_TARGET_ARCH_X64 |
| 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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| 339 | 339 |
| 340 Register megamorphic_scratch = rdi; | 340 Register megamorphic_scratch = rdi; |
| 341 // The handlers in the stub cache expect a vector and slot. Since we won't | 341 // The handlers in the stub cache expect a vector and slot. Since we won't |
| 342 // change the IC from any downstream misses, a dummy vector can be used. | 342 // change the IC from any downstream misses, a dummy vector can be used. |
| 343 Register vector = LoadWithVectorDescriptor::VectorRegister(); | 343 Register vector = LoadWithVectorDescriptor::VectorRegister(); |
| 344 Register slot = LoadDescriptor::SlotRegister(); | 344 Register slot = LoadDescriptor::SlotRegister(); |
| 345 DCHECK(!AreAliased(megamorphic_scratch, vector, slot)); | 345 DCHECK(!AreAliased(megamorphic_scratch, vector, slot)); |
| 346 Handle<TypeFeedbackVector> dummy_vector = | 346 Handle<TypeFeedbackVector> dummy_vector = |
| 347 TypeFeedbackVector::DummyVector(masm->isolate()); | 347 TypeFeedbackVector::DummyVector(masm->isolate()); |
| 348 int slot_index = dummy_vector->GetIndex( | 348 int slot_index = dummy_vector->GetIndex( |
| 349 FeedbackVectorICSlot(TypeFeedbackVector::kDummyKeyedLoadICSlot)); | 349 FeedbackVectorSlot(TypeFeedbackVector::kDummyKeyedLoadICSlot)); |
| 350 __ Move(vector, dummy_vector); | 350 __ Move(vector, dummy_vector); |
| 351 __ Move(slot, Smi::FromInt(slot_index)); | 351 __ Move(slot, Smi::FromInt(slot_index)); |
| 352 | 352 |
| 353 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 353 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
| 354 Code::ComputeHandlerFlags(Code::LOAD_IC)); | 354 Code::ComputeHandlerFlags(Code::LOAD_IC)); |
| 355 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::KEYED_LOAD_IC, flags, | 355 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::KEYED_LOAD_IC, flags, |
| 356 receiver, key, | 356 receiver, key, |
| 357 megamorphic_scratch, no_reg); | 357 megamorphic_scratch, no_reg); |
| 358 // Cache miss. | 358 // Cache miss. |
| 359 GenerateMiss(masm); | 359 GenerateMiss(masm); |
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| 567 __ JumpIfNotUniqueNameInstanceType(r9, &slow_with_tagged_index); | 567 __ JumpIfNotUniqueNameInstanceType(r9, &slow_with_tagged_index); |
| 568 | 568 |
| 569 if (FLAG_vector_stores) { | 569 if (FLAG_vector_stores) { |
| 570 Register vector = VectorStoreICDescriptor::VectorRegister(); | 570 Register vector = VectorStoreICDescriptor::VectorRegister(); |
| 571 Register slot = VectorStoreICDescriptor::SlotRegister(); | 571 Register slot = VectorStoreICDescriptor::SlotRegister(); |
| 572 // The handlers in the stub cache expect a vector and slot. Since we won't | 572 // The handlers in the stub cache expect a vector and slot. Since we won't |
| 573 // change the IC from any downstream misses, a dummy vector can be used. | 573 // change the IC from any downstream misses, a dummy vector can be used. |
| 574 Handle<TypeFeedbackVector> dummy_vector = | 574 Handle<TypeFeedbackVector> dummy_vector = |
| 575 TypeFeedbackVector::DummyVector(masm->isolate()); | 575 TypeFeedbackVector::DummyVector(masm->isolate()); |
| 576 int slot_index = dummy_vector->GetIndex( | 576 int slot_index = dummy_vector->GetIndex( |
| 577 FeedbackVectorICSlot(TypeFeedbackVector::kDummyKeyedStoreICSlot)); | 577 FeedbackVectorSlot(TypeFeedbackVector::kDummyKeyedStoreICSlot)); |
| 578 __ Move(vector, dummy_vector); | 578 __ Move(vector, dummy_vector); |
| 579 __ Move(slot, Smi::FromInt(slot_index)); | 579 __ Move(slot, Smi::FromInt(slot_index)); |
| 580 } | 580 } |
| 581 | 581 |
| 582 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 582 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
| 583 Code::ComputeHandlerFlags(Code::STORE_IC)); | 583 Code::ComputeHandlerFlags(Code::STORE_IC)); |
| 584 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::STORE_IC, flags, | 584 masm->isolate()->stub_cache()->GenerateProbe(masm, Code::STORE_IC, flags, |
| 585 receiver, key, r9, no_reg); | 585 receiver, key, r9, no_reg); |
| 586 // Cache miss. | 586 // Cache miss. |
| 587 __ jmp(&miss); | 587 __ jmp(&miss); |
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| 886 Condition cc = | 886 Condition cc = |
| 887 (check == ENABLE_INLINED_SMI_CHECK) | 887 (check == ENABLE_INLINED_SMI_CHECK) |
| 888 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) | 888 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) |
| 889 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); | 889 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); |
| 890 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); | 890 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); |
| 891 } | 891 } |
| 892 } // namespace internal | 892 } // namespace internal |
| 893 } // namespace v8 | 893 } // namespace v8 |
| 894 | 894 |
| 895 #endif // V8_TARGET_ARCH_X64 | 895 #endif // V8_TARGET_ARCH_X64 |
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