S390: [Interpreter] Remove register file register and replace with LoadParentFramePointer.

src/s390/macro-assembler-s390.h

 // Copyright 2014 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_S390_MACRO_ASSEMBLER_S390_H_
 #define V8_S390_MACRO_ASSEMBLER_S390_H_
 
 #include "src/assembler.h"
 #include "src/bailout-reason.h"
 #include "src/frames.h"
 #include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 
 // Give alias names to registers for calling conventions.
 const Register kReturnRegister0 = {Register::kCode_r2};
 const Register kReturnRegister1 = {Register::kCode_r3};
 const Register kReturnRegister2 = {Register::kCode_r4};
 const Register kJSFunctionRegister = {Register::kCode_r3};
 const Register kContextRegister = {Register::kCode_r13};
 const Register kInterpreterAccumulatorRegister = {Register::kCode_r2};
-const Register kInterpreterRegisterFileRegister = {Register::kCode_r4};
 const Register kInterpreterBytecodeOffsetRegister = {Register::kCode_r5};
 const Register kInterpreterBytecodeArrayRegister = {Register::kCode_r6};
 const Register kInterpreterDispatchTableRegister = {Register::kCode_r8};
 const Register kJavaScriptCallArgCountRegister = {Register::kCode_r2};
 const Register kJavaScriptCallNewTargetRegister = {Register::kCode_r5};
 const Register kRuntimeCallFunctionRegister = {Register::kCode_r3};
 const Register kRuntimeCallArgCountRegister = {Register::kCode_r2};
 
 // ----------------------------------------------------------------------------
 // Static helper functions
@@ skipping 1850 matching lines @@
 #define ACCESS_MASM(masm)    \
   masm->stop(__FILE_LINE__); \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_S390_MACRO_ASSEMBLER_S390_H_