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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_IA32 | 7 #if V8_TARGET_ARCH_IA32 |
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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817 __ cmp(key, FieldOperand(receiver, JSArray::kLengthOffset)); // Compare smis. | 817 __ cmp(key, FieldOperand(receiver, JSArray::kLengthOffset)); // Compare smis. |
818 __ j(above_equal, &extra); | 818 __ j(above_equal, &extra); |
819 | 819 |
820 KeyedStoreGenerateGenericHelper(masm, &fast_object, &fast_double, &slow, | 820 KeyedStoreGenerateGenericHelper(masm, &fast_object, &fast_double, &slow, |
821 kCheckMap, kDontIncrementLength); | 821 kCheckMap, kDontIncrementLength); |
822 KeyedStoreGenerateGenericHelper(masm, &fast_object_grow, &fast_double_grow, | 822 KeyedStoreGenerateGenericHelper(masm, &fast_object_grow, &fast_double_grow, |
823 &slow, kDontCheckMap, kIncrementLength); | 823 &slow, kDontCheckMap, kIncrementLength); |
824 } | 824 } |
825 | 825 |
826 | 826 |
827 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) { | |
828 // The return address is on the stack. | |
829 Register receiver = LoadDescriptor::ReceiverRegister(); | |
830 Register name = LoadDescriptor::NameRegister(); | |
831 DCHECK(receiver.is(edx)); | |
832 DCHECK(name.is(ecx)); | |
833 | |
834 // Probe the stub cache. | |
835 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | |
836 Code::ComputeHandlerFlags(Code::LOAD_IC)); | |
837 masm->isolate()->stub_cache()->GenerateProbe(masm, flags, receiver, name, ebx, | |
838 eax); | |
839 | |
840 // Cache miss: Jump to runtime. | |
841 GenerateMiss(masm); | |
842 } | |
843 | |
844 | |
845 void LoadIC::GenerateNormal(MacroAssembler* masm) { | 827 void LoadIC::GenerateNormal(MacroAssembler* masm) { |
846 Register dictionary = eax; | 828 Register dictionary = eax; |
847 DCHECK(!dictionary.is(LoadDescriptor::ReceiverRegister())); | 829 DCHECK(!dictionary.is(LoadDescriptor::ReceiverRegister())); |
848 DCHECK(!dictionary.is(LoadDescriptor::NameRegister())); | 830 DCHECK(!dictionary.is(LoadDescriptor::NameRegister())); |
849 | 831 |
850 Label slow; | 832 Label slow; |
851 | 833 |
852 __ mov(dictionary, FieldOperand(LoadDescriptor::ReceiverRegister(), | 834 __ mov(dictionary, FieldOperand(LoadDescriptor::ReceiverRegister(), |
853 JSObject::kPropertiesOffset)); | 835 JSObject::kPropertiesOffset)); |
854 GenerateDictionaryLoad(masm, &slow, dictionary, | 836 GenerateDictionaryLoad(masm, &slow, dictionary, |
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915 // Perform tail call to the entry. | 897 // Perform tail call to the entry. |
916 __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1); | 898 __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1); |
917 } | 899 } |
918 | 900 |
919 | 901 |
920 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) { | 902 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) { |
921 // Return address is on the stack. | 903 // Return address is on the stack. |
922 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( | 904 Code::Flags flags = Code::RemoveTypeAndHolderFromFlags( |
923 Code::ComputeHandlerFlags(Code::STORE_IC)); | 905 Code::ComputeHandlerFlags(Code::STORE_IC)); |
924 masm->isolate()->stub_cache()->GenerateProbe( | 906 masm->isolate()->stub_cache()->GenerateProbe( |
925 masm, flags, StoreDescriptor::ReceiverRegister(), | 907 masm, flags, false, StoreDescriptor::ReceiverRegister(), |
926 StoreDescriptor::NameRegister(), ebx, no_reg); | 908 StoreDescriptor::NameRegister(), ebx, no_reg); |
927 | 909 |
928 // Cache miss: Jump to runtime. | 910 // Cache miss: Jump to runtime. |
929 GenerateMiss(masm); | 911 GenerateMiss(masm); |
930 } | 912 } |
931 | 913 |
932 | 914 |
933 static void StoreIC_PushArgs(MacroAssembler* masm) { | 915 static void StoreIC_PushArgs(MacroAssembler* masm) { |
934 Register receiver = StoreDescriptor::ReceiverRegister(); | 916 Register receiver = StoreDescriptor::ReceiverRegister(); |
935 Register name = StoreDescriptor::NameRegister(); | 917 Register name = StoreDescriptor::NameRegister(); |
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1061 Condition cc = | 1043 Condition cc = |
1062 (check == ENABLE_INLINED_SMI_CHECK) | 1044 (check == ENABLE_INLINED_SMI_CHECK) |
1063 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) | 1045 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) |
1064 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); | 1046 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); |
1065 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); | 1047 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); |
1066 } | 1048 } |
1067 } | 1049 } |
1068 } // namespace v8::internal | 1050 } // namespace v8::internal |
1069 | 1051 |
1070 #endif // V8_TARGET_ARCH_IA32 | 1052 #endif // V8_TARGET_ARCH_IA32 |
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