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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_X87 | 5 #if V8_TARGET_ARCH_X87 |
| 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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| 557 Handle<TypeFeedbackVector> dummy_vector = | 557 Handle<TypeFeedbackVector> dummy_vector = |
| 558 TypeFeedbackVector::DummyVector(masm->isolate()); | 558 TypeFeedbackVector::DummyVector(masm->isolate()); |
| 559 int slot = dummy_vector->GetIndex( | 559 int slot = dummy_vector->GetIndex( |
| 560 FeedbackVectorSlot(TypeFeedbackVector::kDummyKeyedStoreICSlot)); | 560 FeedbackVectorSlot(TypeFeedbackVector::kDummyKeyedStoreICSlot)); |
| 561 __ push(Immediate(Smi::FromInt(slot))); | 561 __ push(Immediate(Smi::FromInt(slot))); |
| 562 __ push(Immediate(dummy_vector)); | 562 __ push(Immediate(dummy_vector)); |
| 563 | 563 |
| 564 masm->isolate()->store_stub_cache()->GenerateProbe(masm, receiver, key, edi, | 564 masm->isolate()->store_stub_cache()->GenerateProbe(masm, receiver, key, edi, |
| 565 no_reg); | 565 no_reg); |
| 566 | 566 |
| 567 __ pop(VectorStoreICDescriptor::VectorRegister()); | 567 __ pop(StoreWithVectorDescriptor::VectorRegister()); |
| 568 __ pop(VectorStoreICDescriptor::SlotRegister()); | 568 __ pop(StoreWithVectorDescriptor::SlotRegister()); |
| 569 | 569 |
| 570 // Cache miss. | 570 // Cache miss. |
| 571 __ jmp(&miss); | 571 __ jmp(&miss); |
| 572 | 572 |
| 573 // Extra capacity case: Check if there is extra capacity to | 573 // Extra capacity case: Check if there is extra capacity to |
| 574 // perform the store and update the length. Used for adding one | 574 // perform the store and update the length. Used for adding one |
| 575 // element to the array by writing to array[array.length]. | 575 // element to the array by writing to array[array.length]. |
| 576 __ bind(&extra); | 576 __ bind(&extra); |
| 577 // receiver is a JSArray. | 577 // receiver is a JSArray. |
| 578 // key is a smi. | 578 // key is a smi. |
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| 701 __ push(ebx); | 701 __ push(ebx); |
| 702 | 702 |
| 703 // Do tail-call to runtime routine. | 703 // Do tail-call to runtime routine. |
| 704 __ TailCallRuntime(Runtime::kKeyedGetProperty); | 704 __ TailCallRuntime(Runtime::kKeyedGetProperty); |
| 705 } | 705 } |
| 706 | 706 |
| 707 static void StoreIC_PushArgs(MacroAssembler* masm) { | 707 static void StoreIC_PushArgs(MacroAssembler* masm) { |
| 708 Register receiver = StoreDescriptor::ReceiverRegister(); | 708 Register receiver = StoreDescriptor::ReceiverRegister(); |
| 709 Register name = StoreDescriptor::NameRegister(); | 709 Register name = StoreDescriptor::NameRegister(); |
| 710 Register value = StoreDescriptor::ValueRegister(); | 710 Register value = StoreDescriptor::ValueRegister(); |
| 711 Register slot = VectorStoreICDescriptor::SlotRegister(); | 711 Register slot = StoreWithVectorDescriptor::SlotRegister(); |
| 712 Register vector = VectorStoreICDescriptor::VectorRegister(); | 712 Register vector = StoreWithVectorDescriptor::VectorRegister(); |
| 713 | 713 |
| 714 __ xchg(receiver, Operand(esp, 0)); | 714 __ xchg(receiver, Operand(esp, 0)); |
| 715 __ push(name); | 715 __ push(name); |
| 716 __ push(value); | 716 __ push(value); |
| 717 __ push(slot); | 717 __ push(slot); |
| 718 __ push(vector); | 718 __ push(vector); |
| 719 __ push(receiver); // Contains the return address. | 719 __ push(receiver); // Contains the return address. |
| 720 } | 720 } |
| 721 | 721 |
| 722 | 722 |
| 723 void StoreIC::GenerateMiss(MacroAssembler* masm) { | 723 void StoreIC::GenerateMiss(MacroAssembler* masm) { |
| 724 // Return address is on the stack. | 724 // Return address is on the stack. |
| 725 StoreIC_PushArgs(masm); | 725 StoreIC_PushArgs(masm); |
| 726 | 726 |
| 727 // Perform tail call to the entry. | 727 // Perform tail call to the entry. |
| 728 __ TailCallRuntime(Runtime::kStoreIC_Miss); | 728 __ TailCallRuntime(Runtime::kStoreIC_Miss); |
| 729 } | 729 } |
| 730 | 730 |
| 731 | 731 |
| 732 void StoreIC::GenerateNormal(MacroAssembler* masm) { | 732 void StoreIC::GenerateNormal(MacroAssembler* masm) { |
| 733 Label restore_miss; | 733 Label restore_miss; |
| 734 Register receiver = StoreDescriptor::ReceiverRegister(); | 734 Register receiver = StoreDescriptor::ReceiverRegister(); |
| 735 Register name = StoreDescriptor::NameRegister(); | 735 Register name = StoreDescriptor::NameRegister(); |
| 736 Register value = StoreDescriptor::ValueRegister(); | 736 Register value = StoreDescriptor::ValueRegister(); |
| 737 Register vector = VectorStoreICDescriptor::VectorRegister(); | 737 Register vector = StoreWithVectorDescriptor::VectorRegister(); |
| 738 Register slot = VectorStoreICDescriptor::SlotRegister(); | 738 Register slot = StoreWithVectorDescriptor::SlotRegister(); |
| 739 | 739 |
| 740 // A lot of registers are needed for storing to slow case | 740 // A lot of registers are needed for storing to slow case |
| 741 // objects. Push and restore receiver but rely on | 741 // objects. Push and restore receiver but rely on |
| 742 // GenerateDictionaryStore preserving the value and name. | 742 // GenerateDictionaryStore preserving the value and name. |
| 743 __ push(receiver); | 743 __ push(receiver); |
| 744 __ push(vector); | 744 __ push(vector); |
| 745 __ push(slot); | 745 __ push(slot); |
| 746 | 746 |
| 747 Register dictionary = ebx; | 747 Register dictionary = ebx; |
| 748 __ mov(dictionary, FieldOperand(receiver, JSObject::kPropertiesOffset)); | 748 __ mov(dictionary, FieldOperand(receiver, JSObject::kPropertiesOffset)); |
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| 840 Condition cc = | 840 Condition cc = |
| 841 (check == ENABLE_INLINED_SMI_CHECK) | 841 (check == ENABLE_INLINED_SMI_CHECK) |
| 842 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) | 842 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) |
| 843 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); | 843 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); |
| 844 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); | 844 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); |
| 845 } | 845 } |
| 846 } // namespace internal | 846 } // namespace internal |
| 847 } // namespace v8 | 847 } // namespace v8 |
| 848 | 848 |
| 849 #endif // V8_TARGET_ARCH_X87 | 849 #endif // V8_TARGET_ARCH_X87 |
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