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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_MIPS64 | 7 #if V8_TARGET_ARCH_MIPS64 |
8 | 8 |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/ic-inl.h" | 10 #include "src/ic-inl.h" |
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834 if (!miss->is_unused()) { | 834 if (!miss->is_unused()) { |
835 Label success; | 835 Label success; |
836 __ Branch(&success); | 836 __ Branch(&success); |
837 GenerateRestoreName(miss, name); | 837 GenerateRestoreName(miss, name); |
838 TailCallBuiltin(masm(), MissBuiltin(kind())); | 838 TailCallBuiltin(masm(), MissBuiltin(kind())); |
839 __ bind(&success); | 839 __ bind(&success); |
840 } | 840 } |
841 } | 841 } |
842 | 842 |
843 | 843 |
844 Register NamedLoadHandlerCompiler::CallbackFrontend(Register object_reg, | |
845 Handle<Name> name, | |
846 Handle<Object> callback) { | |
847 Label miss; | |
848 | |
849 Register reg = FrontendHeader(object_reg, name, &miss); | |
850 | |
851 if (!holder()->HasFastProperties()) { | |
852 DCHECK(!holder()->IsGlobalObject()); | |
853 DCHECK(!reg.is(scratch2())); | |
854 DCHECK(!reg.is(scratch3())); | |
855 DCHECK(!reg.is(scratch4())); | |
856 | |
857 // Load the properties dictionary. | |
858 Register dictionary = scratch4(); | |
859 __ ld(dictionary, FieldMemOperand(reg, JSObject::kPropertiesOffset)); | |
860 | |
861 // Probe the dictionary. | |
862 Label probe_done; | |
863 NameDictionaryLookupStub::GeneratePositiveLookup(masm(), | |
864 &miss, | |
865 &probe_done, | |
866 dictionary, | |
867 this->name(), | |
868 scratch2(), | |
869 scratch3()); | |
870 __ bind(&probe_done); | |
871 | |
872 // If probing finds an entry in the dictionary, scratch3 contains the | |
873 // pointer into the dictionary. Check that the value is the callback. | |
874 Register pointer = scratch3(); | |
875 const int kElementsStartOffset = NameDictionary::kHeaderSize + | |
876 NameDictionary::kElementsStartIndex * kPointerSize; | |
877 const int kValueOffset = kElementsStartOffset + kPointerSize; | |
878 __ ld(scratch2(), FieldMemOperand(pointer, kValueOffset)); | |
879 __ Branch(&miss, ne, scratch2(), Operand(callback)); | |
880 } | |
881 | |
882 FrontendFooter(name, &miss); | |
883 return reg; | |
884 } | |
885 | |
886 | |
887 void NamedLoadHandlerCompiler::GenerateLoadField( | 844 void NamedLoadHandlerCompiler::GenerateLoadField( |
888 Register reg, FieldIndex field, Representation representation) { | 845 Register reg, FieldIndex field, Representation representation) { |
889 if (!reg.is(receiver())) __ mov(receiver(), reg); | 846 if (!reg.is(receiver())) __ mov(receiver(), reg); |
890 LoadFieldStub stub(isolate(), field); | 847 LoadFieldStub stub(isolate(), field); |
891 GenerateTailCall(masm(), stub.GetCode()); | 848 GenerateTailCall(masm(), stub.GetCode()); |
892 } | 849 } |
893 | 850 |
894 | 851 |
895 void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) { | 852 void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) { |
896 // Return the constant value. | 853 // Return the constant value. |
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1332 | 1289 |
1333 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); | 1290 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
1334 } | 1291 } |
1335 | 1292 |
1336 | 1293 |
1337 #undef __ | 1294 #undef __ |
1338 | 1295 |
1339 } } // namespace v8::internal | 1296 } } // namespace v8::internal |
1340 | 1297 |
1341 #endif // V8_TARGET_ARCH_MIPS64 | 1298 #endif // V8_TARGET_ARCH_MIPS64 |
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