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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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_X64 | 7 #if V8_TARGET_ARCH_X64 |
8 | 8 |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/ic/ic.h" | 10 #include "src/ic/ic.h" |
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816 __ leap(r9, unmapped_location); | 816 __ leap(r9, unmapped_location); |
817 __ movp(r8, value); | 817 __ movp(r8, value); |
818 __ RecordWrite(rbx, r9, r8, kDontSaveFPRegs, EMIT_REMEMBERED_SET, | 818 __ RecordWrite(rbx, r9, r8, kDontSaveFPRegs, EMIT_REMEMBERED_SET, |
819 INLINE_SMI_CHECK); | 819 INLINE_SMI_CHECK); |
820 __ Ret(); | 820 __ Ret(); |
821 __ bind(&slow); | 821 __ bind(&slow); |
822 GenerateMiss(masm); | 822 GenerateMiss(masm); |
823 } | 823 } |
824 | 824 |
825 | 825 |
826 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) { | |
827 // The return address is on the stack. | |
828 Register receiver = LoadDescriptor::ReceiverRegister(); | |
829 Register name = LoadDescriptor::NameRegister(); | |
830 DCHECK(receiver.is(rdx)); | |
831 DCHECK(name.is(rcx)); | |
832 | |
833 // Probe the stub cache. | |
834 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | |
835 Code::ComputeHandlerFlags(Code::LOAD_IC)); | |
836 masm->isolate()->stub_cache()->GenerateProbe(masm, flags, receiver, name, rbx, | |
837 rax); | |
838 | |
839 GenerateMiss(masm); | |
840 } | |
841 | |
842 | |
843 void LoadIC::GenerateNormal(MacroAssembler* masm) { | 826 void LoadIC::GenerateNormal(MacroAssembler* masm) { |
844 Register dictionary = rax; | 827 Register dictionary = rax; |
845 DCHECK(!dictionary.is(LoadDescriptor::ReceiverRegister())); | 828 DCHECK(!dictionary.is(LoadDescriptor::ReceiverRegister())); |
846 DCHECK(!dictionary.is(LoadDescriptor::NameRegister())); | 829 DCHECK(!dictionary.is(LoadDescriptor::NameRegister())); |
847 | 830 |
848 Label slow; | 831 Label slow; |
849 | 832 |
850 __ movp(dictionary, FieldOperand(LoadDescriptor::ReceiverRegister(), | 833 __ movp(dictionary, FieldOperand(LoadDescriptor::ReceiverRegister(), |
851 JSObject::kPropertiesOffset)); | 834 JSObject::kPropertiesOffset)); |
852 GenerateDictionaryLoad(masm, &slow, dictionary, | 835 GenerateDictionaryLoad(masm, &slow, dictionary, |
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927 } | 910 } |
928 | 911 |
929 | 912 |
930 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) { | 913 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) { |
931 // The return address is on the stack. | 914 // The return address is on the stack. |
932 | 915 |
933 // Get the receiver from the stack and probe the stub cache. | 916 // Get the receiver from the stack and probe the stub cache. |
934 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 917 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
935 Code::ComputeHandlerFlags(Code::STORE_IC)); | 918 Code::ComputeHandlerFlags(Code::STORE_IC)); |
936 masm->isolate()->stub_cache()->GenerateProbe( | 919 masm->isolate()->stub_cache()->GenerateProbe( |
937 masm, flags, StoreDescriptor::ReceiverRegister(), | 920 masm, flags, false, StoreDescriptor::ReceiverRegister(), |
938 StoreDescriptor::NameRegister(), rbx, no_reg); | 921 StoreDescriptor::NameRegister(), rbx, no_reg); |
939 | 922 |
940 // Cache miss: Jump to runtime. | 923 // Cache miss: Jump to runtime. |
941 GenerateMiss(masm); | 924 GenerateMiss(masm); |
942 } | 925 } |
943 | 926 |
944 | 927 |
945 static void StoreIC_PushArgs(MacroAssembler* masm) { | 928 static void StoreIC_PushArgs(MacroAssembler* masm) { |
946 Register receiver = StoreDescriptor::ReceiverRegister(); | 929 Register receiver = StoreDescriptor::ReceiverRegister(); |
947 Register name = StoreDescriptor::NameRegister(); | 930 Register name = StoreDescriptor::NameRegister(); |
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1066 Condition cc = | 1049 Condition cc = |
1067 (check == ENABLE_INLINED_SMI_CHECK) | 1050 (check == ENABLE_INLINED_SMI_CHECK) |
1068 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) | 1051 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) |
1069 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); | 1052 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); |
1070 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); | 1053 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); |
1071 } | 1054 } |
1072 } | 1055 } |
1073 } // namespace v8::internal | 1056 } // namespace v8::internal |
1074 | 1057 |
1075 #endif // V8_TARGET_ARCH_X64 | 1058 #endif // V8_TARGET_ARCH_X64 |
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