Index: lib/Target/NDS32/CMakeLists.txt
===================================================================
--- lib/Target/NDS32/CMakeLists.txt
+++ lib/Target/NDS32/CMakeLists.txt
@@ -14,6 +14,7 @@
   NDS32ISelLowering.cpp
   NDS32MachineFunctionInfo.cpp
   NDS32InstrInfo.cpp
+  NDS32Subtarget.cpp
   NDS32RegisterInfo.cpp
   NDS32FrameLowering.cpp
   NDS32SelectionDAGInfo.cpp
Index: lib/Target/NDS32/NDS32Subtarget.h
===================================================================
--- /dev/null
+++ lib/Target/NDS32/NDS32Subtarget.h
@@ -0,0 +1,76 @@
+//===-- NDS32Subtarget.h - Define Subtarget for the NDS32 ----*- C++ -*----===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the NDS32 specific subclass of TargetSubtargetInfo.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_NDS32_NDS32SUBTARGET_H
+#define LLVM_LIB_TARGET_NDS32_NDS32SUBTARGET_H
+
+#include "NDS32FrameLowering.h"
+#include "NDS32ISelLowering.h"
+#include "NDS32SelectionDAGInfo.h"
+#include "NDS32InstrInfo.h"
+#include "NDS32RegisterInfo.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
+#include <string>
+
+#define GET_SUBTARGETINFO_HEADER
+#include "NDS32GenSubtargetInfo.inc"
+
+namespace llvm {
+class StringRef;
+
+class NDS32Subtarget : public NDS32GenSubtargetInfo {
+  virtual void anchor();
+  bool ExtendedInsts;
+  NDS32FrameLowering FrameLowering;
+  std::unique_ptr<const NDS32InstrInfo> InstrInfo;
+  NDS32TargetLowering TLInfo;
+  NDS32SelectionDAGInfo TSInfo;
+
+public:
+  /// This constructor initializes the data members to match that
+  /// of the specified triple.
+  ///
+  NDS32Subtarget(const Triple &TT, const std::string &CPU,
+                 const std::string &FS, const TargetMachine &TM);
+
+  NDS32Subtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
+
+  /// ParseSubtargetFeatures - Parses features string setting specified
+  /// subtarget options.  Definition of function is auto generated by tblgen.
+  void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
+
+  const TargetFrameLowering *getFrameLowering() const override {
+    return &FrameLowering;
+  }
+  const NDS32InstrInfo *getInstrInfo() const override { return InstrInfo.get(); }
+  const NDS32RegisterInfo *getRegisterInfo() const override {
+    return &InstrInfo->getRegisterInfo();
+  }
+  const NDS32TargetLowering *getTargetLowering() const override {
+    return &TLInfo;
+  }
+  const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
+    return &TSInfo;
+  }
+
+protected:
+  /// No16Bit - Not generate 16-Bit ISA
+  bool No16Bit = false;
+
+public:
+  bool has16Bit() const { return !No16Bit; }
+};
+} // End llvm namespace
+
+#endif  // LLVM_TARGET_NDS32_SUBTARGET_H
Index: lib/Target/NDS32/NDS32Subtarget.cpp
===================================================================
--- /dev/null
+++ lib/Target/NDS32/NDS32Subtarget.cpp
@@ -0,0 +1,40 @@
+//===-- NDS32Subtarget.cpp - NDS32 Subtarget Information ------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the NDS32 specific subclass of TargetSubtargetInfo.
+//
+//===----------------------------------------------------------------------===//
+
+#include "NDS32Subtarget.h"
+#include "NDS32.h"
+#include "llvm/Support/TargetRegistry.h"
+
+using namespace llvm;
+
+#define DEBUG_TYPE "NDS32-subtarget"
+
+#define GET_SUBTARGETINFO_TARGET_DESC
+#define GET_SUBTARGETINFO_CTOR
+#include "NDS32GenSubtargetInfo.inc"
+
+void NDS32Subtarget::anchor() { }
+
+NDS32Subtarget &
+NDS32Subtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS) {
+  ParseSubtargetFeatures(CPU, FS);
+  return *this;
+}
+
+NDS32Subtarget::NDS32Subtarget(const Triple &TT, const std::string &CPU,
+                               const std::string &FS, const TargetMachine &TM)
+    : NDS32GenSubtargetInfo(TT, CPU, FS), FrameLowering(),
+      InstrInfo(NDS32InstrInfo::create(initializeSubtargetDependencies(CPU, FS))),
+                TLInfo(TM, *this) {
+  ParseSubtargetFeatures(CPU, FS);
+}