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 e20060f5d9a76affe1857d41972c167bdb8800d7..f287f16cf5f6d52e81227a0fcde1df243996ad56 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -77,6 +77,7 @@ namespace internal {
   V(CEntry)                              \
   V(JSEntry)                             \
   V(KeyedLoadElement)                    \
+  V(KeyedLoadGeneric)                    \
   V(ArrayNoArgumentConstructor)          \
   V(ArraySingleArgumentConstructor)      \
   V(ArrayNArgumentsConstructor)          \
@@ -1869,6 +1870,29 @@ class KeyedLoadDictionaryElementPlatformStub : public PlatformCodeStub {
 };
 
 
+class KeyedLoadGenericElementStub : public HydrogenCodeStub {
+ public:
+  KeyedLoadGenericElementStub() {}
+
+  virtual Handle<Code> GenerateCode(Isolate* isolate) V8_OVERRIDE;
+
+  virtual void InitializeInterfaceDescriptor(
+      Isolate* isolate,
+      CodeStubInterfaceDescriptor* descriptor) V8_OVERRIDE;
+
+  static void InstallDescriptors(Isolate* isolate);
+
+  virtual Code::Kind GetCodeKind() const { return Code::KEYED_LOAD_IC; }
+  virtual InlineCacheState GetICState() { return MEGAMORPHIC; }

[Toon Verwaest, 2013/12/04 17:29:26]

This should be GENERIC instead of MEGAMORPHIC.

[danno, 2014/06/06 15:43:50]

Done.

+
+ private:
+  Major MajorKey() { return KeyedLoadGeneric; }
+  int NotMissMinorKey() { return 0; }
+
+  DISALLOW_COPY_AND_ASSIGN(KeyedLoadGenericElementStub);
+};
+
+
 class DoubleToIStub : public PlatformCodeStub {
  public:
   DoubleToIStub(Register source,