[stubs] Cleanup storing of maps to objects.

src/ic/accessor-assembler.cc

 // Copyright 2016 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.
 
 #include "src/ic/accessor-assembler.h"
 #include "src/ic/accessor-assembler-impl.h"
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/ic/handler-configuration.h"
@@ skipping 572 matching lines @@
     Bind(&if_transition_to_constant);
     {
       // Check that constant matches value.
       Node* value_index_in_descriptor =
           DecodeWord<StoreHandler::DescriptorValueIndexBits>(handler_word);
       Node* descriptors = LoadMapDescriptors(transition);
       Node* constant = LoadFixedArrayElement(
           descriptors, value_index_in_descriptor, 0, INTPTR_PARAMETERS);
       GotoIf(WordNotEqual(p->value, constant), miss);
 
-      StoreObjectField(p->receiver, JSObject::kMapOffset, transition);
+      StoreMap(p->receiver, transition);
       Return(p->value);
     }
   }
 }
 
 void AccessorAssemblerImpl::HandleStoreICSmiHandlerCase(Node* handler_word,
                                                         Node* holder,
                                                         Node* value,
                                                         Node* transition,
                                                         Label* miss) {
@@ skipping 98 matching lines @@
   Node* offset = DecodeWord<StoreHandler::FieldOffsetBits>(handler_word);
   Label if_inobject(this), if_out_of_object(this);
   Branch(IsSetWord<StoreHandler::IsInobjectBits>(handler_word), &if_inobject,
          &if_out_of_object);
 
   Bind(&if_inobject);
   {
     StoreNamedField(holder, offset, true, representation, prepared_value,
                     transition_to_field);
     if (transition_to_field) {
-      StoreObjectField(holder, JSObject::kMapOffset, transition);
+      StoreMap(holder, transition);
     }
     Return(value);
   }
 
   Bind(&if_out_of_object);
   {
     StoreNamedField(holder, offset, false, representation, prepared_value,
                     transition_to_field);
     if (transition_to_field) {
-      StoreObjectField(holder, JSObject::kMapOffset, transition);
+      StoreMap(holder, transition);
     }
     Return(value);
   }
 }
 
 void AccessorAssemblerImpl::EmitFastElementsBoundsCheck(
     Node* object, Node* elements, Node* intptr_index,
     Node* is_jsarray_condition, Label* miss) {
   Variable var_length(this, MachineType::PointerRepresentation());
   Comment("Fast elements bounds check");
@@ skipping 1031 matching lines @@
 void AccessorAssembler::GenerateKeyedStoreICTrampolineTF(
     CodeAssemblerState* state, LanguageMode language_mode) {
   AccessorAssemblerImpl assembler(state);
   assembler.GenerateKeyedStoreICTrampolineTF(language_mode);
 }
 
 #undef ACCESSOR_ASSEMBLER_PUBLIC_INTERFACE
 
 }  // namespace internal
 }  // namespace v8