Reland 21774: Generate KeyedLoadGeneric with Hydrogen

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 55d8b885c842326f219eb816289bb42e3f36c965..b243b56093167772c395b22892603a7985964c93 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -53,6 +53,7 @@ namespace internal {
   V(CEntry)                              \
   V(JSEntry)                             \
   V(KeyedLoadElement)                    \
+  V(KeyedLoadGeneric)                    \
   V(ArrayNoArgumentConstructor)          \
   V(ArraySingleArgumentConstructor)      \
   V(ArrayNArgumentsConstructor)          \
@@ -1845,6 +1846,29 @@ class KeyedLoadDictionaryElementPlatformStub : public PlatformCodeStub {
 };
 
 
+class KeyedLoadGenericElementStub : public HydrogenCodeStub {
+ public:
+  explicit KeyedLoadGenericElementStub(Isolate *isolate)
+      : HydrogenCodeStub(isolate) {}
+
+  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() { return GENERIC; }
+
+ private:
+  Major MajorKey() { return KeyedLoadGeneric; }
+  int NotMissMinorKey() { return 0; }
+
+  DISALLOW_COPY_AND_ASSIGN(KeyedLoadGenericElementStub);
+};
+
+
 class DoubleToIStub : public PlatformCodeStub {
  public:
   DoubleToIStub(Isolate* isolate,