[Interpreter] Remove register file register and replace with LoadParentFramePointer.

src/frames.cc

 // 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.
 
 #include "src/frames.h"
 
 #include <sstream>
 
 #include "src/ast/ast.h"
 #include "src/ast/scopeinfo.h"
@@ skipping 1235 matching lines @@
   const int index = InterpreterFrameConstants::kBytecodeArrayExpressionIndex;
   DCHECK_EQ(
       InterpreterFrameConstants::kBytecodeArrayFromFp,
       InterpreterFrameConstants::kExpressionsOffset - index * kPointerSize);
   SetExpression(index, bytecode_array);
 }
 
 Object* InterpretedFrame::ReadInterpreterRegister(int register_index) const {
   const int index = InterpreterFrameConstants::kRegisterFileExpressionIndex;
   DCHECK_EQ(
-      InterpreterFrameConstants::kRegisterFilePointerFromFp,
+      InterpreterFrameConstants::kRegisterFileFromFp,
       InterpreterFrameConstants::kExpressionsOffset - index * kPointerSize);
   return GetExpression(index + register_index);
 }
 
 void InterpretedFrame::WriteInterpreterRegister(int register_index,
                                                 Object* value) {
   const int index = InterpreterFrameConstants::kRegisterFileExpressionIndex;
   DCHECK_EQ(
-      InterpreterFrameConstants::kRegisterFilePointerFromFp,
+      InterpreterFrameConstants::kRegisterFileFromFp,
       InterpreterFrameConstants::kExpressionsOffset - index * kPointerSize);
   return SetExpression(index + register_index, value);
 }
 
 void InterpretedFrame::Summarize(List<FrameSummary>* functions) const {
   DCHECK(functions->length() == 0);
   AbstractCode* abstract_code =
       AbstractCode::cast(function()->shared()->bytecode_array());
   FrameSummary summary(receiver(), function(), abstract_code,
                        GetBytecodeOffset(), IsConstructor());
@@ skipping 487 matching lines @@
   for (StackFrameIterator it(isolate); !it.done(); it.Advance()) {
     StackFrame* frame = AllocateFrameCopy(it.frame(), zone);
     list.Add(frame, zone);
   }
   return list.ToVector();
 }
 
 
 }  // namespace internal
 }  // namespace v8