Introduce HObjectAccess, which is used by LoadNamedField and StoreNamedField to denote what parts

src/arm/lithium-arm.cc

 // 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
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@@ skipping 360 matching lines @@
   arguments()->PrintTo(stream);
   stream->Add(" length ");
   length()->PrintTo(stream);
   stream->Add(" index ");
   index()->PrintTo(stream);
 }
 
 
 void LStoreNamedField::PrintDataTo(StringStream* stream) {
   object()->PrintTo(stream);
-  stream->Add(".");
-  stream->Add(*String::cast(*name())->ToCString());
+  stream->Add(".@%d", offset());  // TODO(titzer): use HObjectAccess
   stream->Add(" <- ");
   value()->PrintTo(stream);
 }
 
 
 void LStoreNamedGeneric::PrintDataTo(StringStream* stream) {
   object()->PrintTo(stream);
   stream->Add(".");
   stream->Add(*String::cast(*name())->ToCString());
   stream->Add(" <- ");
@@ skipping 2228 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
   LOperand* object = UseRegister(instr->object());
   LOperand* index = UseRegister(instr->index());
   return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index));
 }
 
 
 } }  // namespace v8::internal