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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 644 __ bind(&miss); | 644 __ bind(&miss); |
| 645 GenerateMiss(masm, argc); | 645 GenerateMiss(masm, argc); |
| 646 } | 646 } |
| 647 | 647 |
| 648 | 648 |
| 649 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) { | 649 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) { |
| 650 // ----------- S t a t e ------------- | 650 // ----------- S t a t e ------------- |
| 651 // -- r2 : name | 651 // -- r2 : name |
| 652 // -- lr : return address | 652 // -- lr : return address |
| 653 // -- r0 : receiver | 653 // -- r0 : receiver |
| 654 // -- sp[0] : receiver | |
| 655 // ----------------------------------- | 654 // ----------------------------------- |
| 656 | 655 |
| 657 // Probe the stub cache. | 656 // Probe the stub cache. |
| 658 Code::Flags flags = Code::ComputeFlags( | 657 Code::Flags flags = Code::ComputeFlags( |
| 659 Code::STUB, MONOMORPHIC, Code::kNoExtraICState, | 658 Code::STUB, MONOMORPHIC, Code::kNoExtraICState, |
| 660 Code::NORMAL, Code::LOAD_IC); | 659 Code::NORMAL, Code::LOAD_IC); |
| 661 Isolate::Current()->stub_cache()->GenerateProbe( | 660 Isolate::Current()->stub_cache()->GenerateProbe( |
| 662 masm, flags, r0, r2, r3, r4, r5, r6); | 661 masm, flags, r0, r2, r3, r4, r5, r6); |
| 663 | 662 |
| 664 // Cache miss: Jump to runtime. | 663 // Cache miss: Jump to runtime. |
| 665 GenerateMiss(masm); | 664 GenerateMiss(masm); |
| 666 } | 665 } |
| 667 | 666 |
| 668 | 667 |
| 669 void LoadIC::GenerateNormal(MacroAssembler* masm) { | 668 void LoadIC::GenerateNormal(MacroAssembler* masm) { |
| 670 // ----------- S t a t e ------------- | 669 // ----------- S t a t e ------------- |
| 671 // -- r2 : name | 670 // -- r2 : name |
| 672 // -- lr : return address | 671 // -- lr : return address |
| 673 // -- r0 : receiver | 672 // -- r0 : receiver |
| 674 // -- sp[0] : receiver | |
| 675 // ----------------------------------- | 673 // ----------------------------------- |
| 676 Label miss; | 674 Label miss; |
| 677 | 675 |
| 678 GenerateNameDictionaryReceiverCheck(masm, r0, r1, r3, r4, &miss); | 676 GenerateNameDictionaryReceiverCheck(masm, r0, r1, r3, r4, &miss); |
| 679 | 677 |
| 680 // r1: elements | 678 // r1: elements |
| 681 GenerateDictionaryLoad(masm, &miss, r1, r2, r0, r3, r4); | 679 GenerateDictionaryLoad(masm, &miss, r1, r2, r0, r3, r4); |
| 682 __ Ret(); | 680 __ Ret(); |
| 683 | 681 |
| 684 // Cache miss: Jump to runtime. | 682 // Cache miss: Jump to runtime. |
| 685 __ bind(&miss); | 683 __ bind(&miss); |
| 686 GenerateMiss(masm); | 684 GenerateMiss(masm); |
| 687 } | 685 } |
| 688 | 686 |
| 689 | 687 |
| 690 void LoadIC::GenerateMiss(MacroAssembler* masm) { | 688 void LoadIC::GenerateMiss(MacroAssembler* masm) { |
| 691 // ----------- S t a t e ------------- | 689 // ----------- S t a t e ------------- |
| 692 // -- r2 : name | 690 // -- r2 : name |
| 693 // -- lr : return address | 691 // -- lr : return address |
| 694 // -- r0 : receiver | 692 // -- r0 : receiver |
| 695 // -- sp[0] : receiver | |
| 696 // ----------------------------------- | 693 // ----------------------------------- |
| 697 Isolate* isolate = masm->isolate(); | 694 Isolate* isolate = masm->isolate(); |
| 698 | 695 |
| 699 __ IncrementCounter(isolate->counters()->load_miss(), 1, r3, r4); | 696 __ IncrementCounter(isolate->counters()->load_miss(), 1, r3, r4); |
| 700 | 697 |
| 701 __ mov(r3, r0); | 698 __ mov(r3, r0); |
| 702 __ Push(r3, r2); | 699 __ Push(r3, r2); |
| 703 | 700 |
| 704 // Perform tail call to the entry. | 701 // Perform tail call to the entry. |
| 705 ExternalReference ref = | 702 ExternalReference ref = |
| 706 ExternalReference(IC_Utility(kLoadIC_Miss), isolate); | 703 ExternalReference(IC_Utility(kLoadIC_Miss), isolate); |
| 707 __ TailCallExternalReference(ref, 2, 1); | 704 __ TailCallExternalReference(ref, 2, 1); |
| 708 } | 705 } |
| 709 | 706 |
| 710 | 707 |
| 711 void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) { | 708 void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) { |
| 712 // ---------- S t a t e -------------- | 709 // ---------- S t a t e -------------- |
| 713 // -- r2 : name | 710 // -- r2 : name |
| 714 // -- lr : return address | 711 // -- lr : return address |
| 715 // -- r0 : receiver | 712 // -- r0 : receiver |
| 716 // -- sp[0] : receiver | |
| 717 // ----------------------------------- | 713 // ----------------------------------- |
| 718 | 714 |
| 719 __ mov(r3, r0); | 715 __ mov(r3, r0); |
| 720 __ Push(r3, r2); | 716 __ Push(r3, r2); |
| 721 | 717 |
| 722 __ TailCallRuntime(Runtime::kGetProperty, 2, 1); | 718 __ TailCallRuntime(Runtime::kGetProperty, 2, 1); |
| 723 } | 719 } |
| 724 | 720 |
| 725 | 721 |
| 726 static MemOperand GenerateMappedArgumentsLookup(MacroAssembler* masm, | 722 static MemOperand GenerateMappedArgumentsLookup(MacroAssembler* masm, |
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| 1700 } else { | 1696 } else { |
| 1701 ASSERT(Assembler::GetCondition(branch_instr) == ne); | 1697 ASSERT(Assembler::GetCondition(branch_instr) == ne); |
| 1702 patcher.EmitCondition(eq); | 1698 patcher.EmitCondition(eq); |
| 1703 } | 1699 } |
| 1704 } | 1700 } |
| 1705 | 1701 |
| 1706 | 1702 |
| 1707 } } // namespace v8::internal | 1703 } } // namespace v8::internal |
| 1708 | 1704 |
| 1709 #endif // V8_TARGET_ARCH_ARM | 1705 #endif // V8_TARGET_ARCH_ARM |
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