VectorICs: Lithium support for vector-based stores.

src/hydrogen-instructions.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_HYDROGEN_INSTRUCTIONS_H_
 #define V8_HYDROGEN_INSTRUCTIONS_H_
 
 #include <cstring>
 #include <iosfwd>
 
@@ skipping 6375 matching lines @@
   bool IsDeletable() const override { return true; }
 
   HObjectAccess access_;
   const UniqueSet<Map>* maps_;
 };
 
 
 class HLoadNamedGeneric final : public HTemplateInstruction<2> {
  public:
   DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P3(HLoadNamedGeneric, HValue*,
-                                              Handle<Object>, InlineCacheState);
+                                              Handle<Name>, InlineCacheState);
 
   HValue* context() const { return OperandAt(0); }
   HValue* object() const { return OperandAt(1); }
-  Handle<Object> name() const { return name_; }
+  Handle<Name> name() const { return name_; }
 
   InlineCacheState initialization_state() const {
     return initialization_state_;
   }
   FeedbackVectorICSlot slot() const { return slot_; }
   Handle<TypeFeedbackVector> feedback_vector() const {
     return feedback_vector_;
   }
   bool HasVectorAndSlot() const { return true; }
   void SetVectorAndSlot(Handle<TypeFeedbackVector> vector,
                         FeedbackVectorICSlot slot) {
     feedback_vector_ = vector;
     slot_ = slot;
   }
 
   Representation RequiredInputRepresentation(int index) override {
     return Representation::Tagged();
   }
 
   std::ostream& PrintDataTo(std::ostream& os) const override;  // NOLINT
 
   DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric)
 
  private:
-  HLoadNamedGeneric(HValue* context, HValue* object, Handle<Object> name,
+  HLoadNamedGeneric(HValue* context, HValue* object, Handle<Name> name,
                     InlineCacheState initialization_state)
       : name_(name),
         slot_(FeedbackVectorICSlot::Invalid()),
         initialization_state_(initialization_state) {
     SetOperandAt(0, context);
     SetOperandAt(1, object);
     set_representation(Representation::Tagged());
     SetAllSideEffects();
   }
 
-  Handle<Object> name_;
+  Handle<Name> name_;
   Handle<TypeFeedbackVector> feedback_vector_;
   FeedbackVectorICSlot slot_;
   InlineCacheState initialization_state_;
 };
 
 
 class HLoadFunctionPrototype final : public HUnaryOperation {
  public:
   DECLARE_INSTRUCTION_FACTORY_P1(HLoadFunctionPrototype, HValue*);
 
@@ skipping 434 matching lines @@
 
   HObjectAccess access_;
   HValue* dominator_;
   uint32_t bit_field_;
 };
 
 
 class HStoreNamedGeneric final : public HTemplateInstruction<3> {
  public:
   DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P5(HStoreNamedGeneric, HValue*,
-                                              Handle<String>, HValue*,
+                                              Handle<Name>, HValue*,
                                               LanguageMode, InlineCacheState);
   HValue* object() const { return OperandAt(0); }
   HValue* value() const { return OperandAt(1); }
   HValue* context() const { return OperandAt(2); }
-  Handle<String> name() const { return name_; }
+  Handle<Name> name() const { return name_; }
   LanguageMode language_mode() const { return language_mode_; }
   InlineCacheState initialization_state() const {
     return initialization_state_;
   }
 
   std::ostream& PrintDataTo(std::ostream& os) const override;  // NOLINT
 
   Representation RequiredInputRepresentation(int index) override {
     return Representation::Tagged();
   }
 
+  FeedbackVectorICSlot slot() const { return slot_; }
+  Handle<TypeFeedbackVector> feedback_vector() const {
+    return feedback_vector_;
+  }
+  bool HasVectorAndSlot() const { return FLAG_vector_stores; }
+  void SetVectorAndSlot(Handle<TypeFeedbackVector> vector,
+                        FeedbackVectorICSlot slot) {
+    feedback_vector_ = vector;
+    slot_ = slot;
+  }
+
   DECLARE_CONCRETE_INSTRUCTION(StoreNamedGeneric)
 
  private:
-  HStoreNamedGeneric(HValue* context, HValue* object, Handle<String> name,
+  HStoreNamedGeneric(HValue* context, HValue* object, Handle<Name> name,
                      HValue* value, LanguageMode language_mode,
                      InlineCacheState initialization_state)
       : name_(name),
+        slot_(FeedbackVectorICSlot::Invalid()),
         language_mode_(language_mode),
         initialization_state_(initialization_state) {
     SetOperandAt(0, object);
     SetOperandAt(1, value);
     SetOperandAt(2, context);
     SetAllSideEffects();
   }
 
-  Handle<String> name_;
+  Handle<Name> name_;
+  Handle<TypeFeedbackVector> feedback_vector_;
+  FeedbackVectorICSlot slot_;
   LanguageMode language_mode_;
   InlineCacheState initialization_state_;
 };
 
 
 class HStoreKeyed final : public HTemplateInstruction<3>,
                           public ArrayInstructionInterface {
  public:
   DECLARE_INSTRUCTION_FACTORY_P4(HStoreKeyed, HValue*, HValue*, HValue*,
                                  ElementsKind);
@@ skipping 189 matching lines @@
   LanguageMode language_mode() const { return language_mode_; }
   InlineCacheState initialization_state() const {
     return initialization_state_;
   }
 
   Representation RequiredInputRepresentation(int index) override {
     // tagged[tagged] = tagged
     return Representation::Tagged();
   }
 
+  FeedbackVectorICSlot slot() const { return slot_; }
+  Handle<TypeFeedbackVector> feedback_vector() const {
+    return feedback_vector_;
+  }
+  bool HasVectorAndSlot() const {
+    DCHECK(!(FLAG_vector_stores && initialization_state_ != MEGAMORPHIC) ||
+           !feedback_vector_.is_null());
+    return !feedback_vector_.is_null();
+  }
+  void SetVectorAndSlot(Handle<TypeFeedbackVector> vector,
+                        FeedbackVectorICSlot slot) {
+    feedback_vector_ = vector;
+    slot_ = slot;
+  }
+
   std::ostream& PrintDataTo(std::ostream& os) const override;  // NOLINT
 
   DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric)
 
  private:
   HStoreKeyedGeneric(HValue* context, HValue* object, HValue* key,
                      HValue* value, LanguageMode language_mode,
                      InlineCacheState initialization_state)
-      : language_mode_(language_mode),
+      : slot_(FeedbackVectorICSlot::Invalid()),
+        language_mode_(language_mode),
         initialization_state_(initialization_state) {
     SetOperandAt(0, object);
     SetOperandAt(1, key);
     SetOperandAt(2, value);
     SetOperandAt(3, context);
     SetAllSideEffects();
   }
 
+  Handle<TypeFeedbackVector> feedback_vector_;
+  FeedbackVectorICSlot slot_;
   LanguageMode language_mode_;
   InlineCacheState initialization_state_;
 };
 
 
 class HTransitionElementsKind final : public HTemplateInstruction<2> {
  public:
   inline static HTransitionElementsKind* New(Isolate* isolate, Zone* zone,
                                              HValue* context, HValue* object,
                                              Handle<Map> original_map,
@@ skipping 737 matching lines @@
 };
 
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_