Prototype implementation of GET_OWN_PROPERTY intrinsic.

src/code-stubs.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/codegen.h"
@@ skipping 1847 matching lines @@
  private:
   Major MajorKey() const { return LoadElement; }
   int MinorKey() const { return DICTIONARY_ELEMENTS; }
 
   DISALLOW_COPY_AND_ASSIGN(LoadDictionaryElementPlatformStub);
 };
 
 
 class KeyedLoadGenericStub : public HydrogenCodeStub {
  public:
-  explicit KeyedLoadGenericStub(Isolate* isolate) : HydrogenCodeStub(isolate) {}
+  explicit KeyedLoadGenericStub(Isolate* isolate, LoadIC::PropertyLookupMode lookup_mode) 
+    : HydrogenCodeStub(isolate),
+      lookup_mode_(lookup_mode) {}
 
   virtual Handle<Code> GenerateCode() V8_OVERRIDE;
 
   virtual void InitializeInterfaceDescriptor(
       CodeStubInterfaceDescriptor* descriptor) V8_OVERRIDE;
 
   static void InstallDescriptors(Isolate* isolate);
 
   virtual Code::Kind GetCodeKind() const { return Code::KEYED_LOAD_IC; }
   virtual InlineCacheState GetICState() const { return GENERIC; }
+  virtual ExtraICState GetExtraICState() const {
+      return LoadIC::ComputeExtraICState(NOT_CONTEXTUAL, lookup_mode_);
+  }
 
  private:
   Major MajorKey() const { return KeyedLoadGeneric; }
-  int NotMissMinorKey() const { return 0; }
+  int NotMissMinorKey() const {
+      return lookup_mode_ == LoadIC::NORMAL_LOOKUP ? 0 : 1; 
+  }
+
+  LoadIC::PropertyLookupMode lookup_mode_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyedLoadGenericStub);
 };
 
 
 class DoubleToIStub : public PlatformCodeStub {
  public:
   DoubleToIStub(Isolate* isolate,
                 Register source,
                 Register destination,
@@ skipping 632 matching lines @@
 
 
 class CallDescriptors {
  public:
   static void InitializeForIsolate(Isolate* isolate);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_