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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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