Updates to maintain flag --vector-ics

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 839 matching lines @@
 class FunctionPrototypeStub : public PlatformCodeStub {
  public:
   explicit FunctionPrototypeStub(Isolate* isolate)
       : PlatformCodeStub(isolate) {}
 
   virtual Code::Kind GetCodeKind() const { return Code::HANDLER; }
 
   // TODO(mvstanton): only the receiver register is accessed. When this is
   // translated to a hydrogen code stub, a new CallInterfaceDescriptor
   // should be created that just uses that register for more efficient code.
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(Load);
+  virtual CallInterfaceDescriptor GetCallInterfaceDescriptor() OVERRIDE {
+    if (FLAG_vector_ics) {
+      return VectorLoadICDescriptor(isolate());
+    }
+    return LoadDescriptor(isolate());
+  }
+
   DEFINE_PLATFORM_CODE_STUB(FunctionPrototype, PlatformCodeStub);
 };
 
 
 // TODO(mvstanton): Translate to hydrogen code stub.
 class LoadIndexedInterceptorStub : public PlatformCodeStub {
  public:
   explicit LoadIndexedInterceptorStub(Isolate* isolate)
       : PlatformCodeStub(isolate) {}
 
@@ skipping 941 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(StringCharAtGenerator);
 };
 
 
 class LoadDictionaryElementStub : public HydrogenCodeStub {
  public:
   explicit LoadDictionaryElementStub(Isolate* isolate)
       : HydrogenCodeStub(isolate) {}
 
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(Load);
+  virtual CallInterfaceDescriptor GetCallInterfaceDescriptor() OVERRIDE {
+    if (FLAG_vector_ics) {
+      return VectorLoadICDescriptor(isolate());
+    }
+    return LoadDescriptor(isolate());
+  }
+
   DEFINE_HYDROGEN_CODE_STUB(LoadDictionaryElement, HydrogenCodeStub);
 };
 
 
 class KeyedLoadGenericStub : public HydrogenCodeStub {
  public:
   explicit KeyedLoadGenericStub(Isolate* isolate) : HydrogenCodeStub(isolate) {}
 
   virtual Code::Kind GetCodeKind() const { return Code::KEYED_LOAD_IC; }
   virtual InlineCacheState GetICState() const { return GENERIC; }
 
+  // Since KeyedLoadGeneric stub doesn't miss (simply calls runtime), it
+  // doesn't need to use the VectorLoadICDescriptor for the case when
+  // flag --vector-ics is true.
   DEFINE_CALL_INTERFACE_DESCRIPTOR(Load);
+
   DEFINE_HYDROGEN_CODE_STUB(KeyedLoadGeneric, HydrogenCodeStub);
 };
 
 
 class LoadICTrampolineStub : public PlatformCodeStub {
  public:
   LoadICTrampolineStub(Isolate* isolate, const LoadICState& state)
       : PlatformCodeStub(isolate) {
     minor_key_ = state.GetExtraICState();
   }
 
   virtual Code::Kind GetCodeKind() const OVERRIDE { return Code::LOAD_IC; }
 
-  virtual InlineCacheState GetICState() const FINAL OVERRIDE {
-    return GENERIC;
-  }
+  virtual InlineCacheState GetICState() const FINAL OVERRIDE { return DEFAULT; }
 
   virtual ExtraICState GetExtraICState() const FINAL OVERRIDE {
     return static_cast<ExtraICState>(minor_key_);
   }
 
  private:
   LoadICState state() const {
     return LoadICState(static_cast<ExtraICState>(minor_key_));
   }
 
@@ skipping 25 matching lines @@
   virtual Code::Kind GetCodeKind() const OVERRIDE { return Code::LOAD_IC; }
 
   virtual InlineCacheState GetICState() const FINAL OVERRIDE {
     return MEGAMORPHIC;
   }
 
   virtual ExtraICState GetExtraICState() const FINAL OVERRIDE {
     return static_cast<ExtraICState>(sub_minor_key());
   }
 
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(Load);
+  virtual CallInterfaceDescriptor GetCallInterfaceDescriptor() OVERRIDE {
+    if (FLAG_vector_ics) {
+      return VectorLoadICDescriptor(isolate());
+    }
+    return LoadDescriptor(isolate());
+  }
+
   DEFINE_HYDROGEN_CODE_STUB(MegamorphicLoad, HydrogenCodeStub);
 };
 
 
 class VectorLoadStub : public HydrogenCodeStub {
  public:
   explicit VectorLoadStub(Isolate* isolate, const LoadICState& state)
       : HydrogenCodeStub(isolate) {
     set_sub_minor_key(state.GetExtraICState());
   }
 
   virtual Code::Kind GetCodeKind() const OVERRIDE { return Code::LOAD_IC; }
 
-  virtual InlineCacheState GetICState() const FINAL OVERRIDE {
-    return GENERIC;
-  }
+  virtual InlineCacheState GetICState() const FINAL OVERRIDE { return DEFAULT; }
 
   virtual ExtraICState GetExtraICState() const FINAL OVERRIDE {
     return static_cast<ExtraICState>(sub_minor_key());
   }
 
  private:
   LoadICState state() const { return LoadICState(GetExtraICState()); }
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(VectorLoadIC);
   DEFINE_HYDROGEN_CODE_STUB(VectorLoad, HydrogenCodeStub);
@@ skipping 73 matching lines @@
   bool is_js_array() const { return IsJSArrayBits::decode(sub_minor_key()); }
 
   ElementsKind elements_kind() const {
     return ElementsKindBits::decode(sub_minor_key());
   }
 
  private:
   class ElementsKindBits: public BitField<ElementsKind, 0, 8> {};
   class IsJSArrayBits: public BitField<bool, 8, 1> {};
 
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(Load);
+  virtual CallInterfaceDescriptor GetCallInterfaceDescriptor() OVERRIDE {
+    if (FLAG_vector_ics) {
+      return VectorLoadICDescriptor(isolate());
+    }
+    return LoadDescriptor(isolate());
+  }
+
   DEFINE_HYDROGEN_CODE_STUB(LoadFastElement, HydrogenCodeStub);
 };
 
 
 class StoreFastElementStub : public HydrogenCodeStub {
  public:
   StoreFastElementStub(Isolate* isolate, bool is_js_array,
                        ElementsKind elements_kind, KeyedAccessStoreMode mode)
       : HydrogenCodeStub(isolate) {
     set_sub_minor_key(ElementsKindBits::encode(elements_kind) |
@@ skipping 469 matching lines @@
 
 #undef DEFINE_CALL_INTERFACE_DESCRIPTOR
 #undef DEFINE_PLATFORM_CODE_STUB
 #undef DEFINE_HANDLER_CODE_STUB
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_