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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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