Split up HLoadNamedField and HStoreNamedField.

src/ia32/lithium-ia32.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2183 matching lines @@
 
   DECLARE_CONCRETE_INSTRUCTION(SmiUntag, "smi-untag")
 
   bool needs_check() const { return needs_check_; }
 
  private:
   bool needs_check_;
 };
 
 
-class LStoreNamedField V8_FINAL : public LTemplateInstruction<0, 2, 2> {
+class LStoreNamedField V8_FINAL : public LTemplateInstruction<0, 2, 1> {
  public:
   LStoreNamedField(LOperand* obj,
                    LOperand* val,
-                   LOperand* temp,
-                   LOperand* temp_map) {
+                   LOperand* temp) {
     inputs_[0] = obj;
     inputs_[1] = val;
     temps_[0] = temp;
-    temps_[1] = temp_map;
   }
 
   LOperand* object() { return inputs_[0]; }
   LOperand* value() { return inputs_[1]; }
   LOperand* temp() { return temps_[0]; }
-  LOperand* temp_map() { return temps_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(StoreNamedField, "store-named-field")
   DECLARE_HYDROGEN_ACCESSOR(StoreNamedField)
 
   virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
 
-  Handle<Map> transition() const { return hydrogen()->transition_map(); }
   Representation representation() const {
     return hydrogen()->field_representation();
   }
 };
 
 
 class LStoreNamedGeneric V8_FINAL : public LTemplateInstruction<0, 3, 0> {
  public:
   LStoreNamedGeneric(LOperand* context, LOperand* object, LOperand* value) {
     inputs_[0] = context;
@@ skipping 657 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_LITHIUM_IA32_H_