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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 // -- a2 : name | 651 // -- a2 : name |
652 // -- ra : return address | 652 // -- ra : return address |
653 // -- a0 : receiver | 653 // -- a0 : 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, a0, a2, a3, t0, t1, t2); | 661 masm, flags, a0, a2, a3, t0, t1, t2); |
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 // -- a2 : name | 670 // -- a2 : name |
672 // -- lr : return address | 671 // -- lr : return address |
673 // -- a0 : receiver | 672 // -- a0 : receiver |
674 // -- sp[0] : receiver | |
675 // ----------------------------------- | 673 // ----------------------------------- |
676 Label miss; | 674 Label miss; |
677 | 675 |
678 GenerateNameDictionaryReceiverCheck(masm, a0, a1, a3, t0, &miss); | 676 GenerateNameDictionaryReceiverCheck(masm, a0, a1, a3, t0, &miss); |
679 | 677 |
680 // a1: elements | 678 // a1: elements |
681 GenerateDictionaryLoad(masm, &miss, a1, a2, v0, a3, t0); | 679 GenerateDictionaryLoad(masm, &miss, a1, a2, v0, a3, t0); |
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 // -- a2 : name | 690 // -- a2 : name |
693 // -- ra : return address | 691 // -- ra : return address |
694 // -- a0 : receiver | 692 // -- a0 : receiver |
695 // -- sp[0] : receiver | |
696 // ----------------------------------- | 693 // ----------------------------------- |
697 Isolate* isolate = masm->isolate(); | 694 Isolate* isolate = masm->isolate(); |
698 | 695 |
699 __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, a3, t0); | 696 __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, a3, t0); |
700 | 697 |
701 __ mov(a3, a0); | 698 __ mov(a3, a0); |
702 __ Push(a3, a2); | 699 __ Push(a3, a2); |
703 | 700 |
704 // Perform tail call to the entry. | 701 // Perform tail call to the entry. |
705 ExternalReference ref = ExternalReference(IC_Utility(kLoadIC_Miss), isolate); | 702 ExternalReference ref = ExternalReference(IC_Utility(kLoadIC_Miss), isolate); |
706 __ TailCallExternalReference(ref, 2, 1); | 703 __ TailCallExternalReference(ref, 2, 1); |
707 } | 704 } |
708 | 705 |
709 | 706 |
710 void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) { | 707 void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) { |
711 // ---------- S t a t e -------------- | 708 // ---------- S t a t e -------------- |
712 // -- a2 : name | 709 // -- a2 : name |
713 // -- ra : return address | 710 // -- ra : return address |
714 // -- a0 : receiver | 711 // -- a0 : receiver |
715 // -- sp[0] : receiver | |
716 // ----------------------------------- | 712 // ----------------------------------- |
717 | 713 |
718 __ mov(a3, a0); | 714 __ mov(a3, a0); |
719 __ Push(a3, a2); | 715 __ Push(a3, a2); |
720 | 716 |
721 __ TailCallRuntime(Runtime::kGetProperty, 2, 1); | 717 __ TailCallRuntime(Runtime::kGetProperty, 2, 1); |
722 } | 718 } |
723 | 719 |
724 | 720 |
725 static MemOperand GenerateMappedArgumentsLookup(MacroAssembler* masm, | 721 static MemOperand GenerateMappedArgumentsLookup(MacroAssembler* masm, |
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1707 } else { | 1703 } else { |
1708 ASSERT(Assembler::IsBne(branch_instr)); | 1704 ASSERT(Assembler::IsBne(branch_instr)); |
1709 patcher.ChangeBranchCondition(eq); | 1705 patcher.ChangeBranchCondition(eq); |
1710 } | 1706 } |
1711 } | 1707 } |
1712 | 1708 |
1713 | 1709 |
1714 } } // namespace v8::internal | 1710 } } // namespace v8::internal |
1715 | 1711 |
1716 #endif // V8_TARGET_ARCH_MIPS | 1712 #endif // V8_TARGET_ARCH_MIPS |
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