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      1 //===-- AVRSubtarget.cpp - AVR Subtarget Information ----------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // This file implements the AVR specific subclass of TargetSubtargetInfo.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include "AVRSubtarget.h"
     15 
     16 #include "llvm/BinaryFormat/ELF.h"
     17 #include "llvm/Support/TargetRegistry.h"
     18 
     19 #include "AVR.h"
     20 #include "AVRTargetMachine.h"
     21 #include "MCTargetDesc/AVRMCTargetDesc.h"
     22 
     23 #define DEBUG_TYPE "avr-subtarget"
     24 
     25 #define GET_SUBTARGETINFO_TARGET_DESC
     26 #define GET_SUBTARGETINFO_CTOR
     27 #include "AVRGenSubtargetInfo.inc"
     28 
     29 namespace llvm {
     30 
     31 AVRSubtarget::AVRSubtarget(const Triple &TT, const std::string &CPU,
     32                            const std::string &FS, AVRTargetMachine &TM)
     33     : AVRGenSubtargetInfo(TT, CPU, FS), InstrInfo(), FrameLowering(),
     34       TLInfo(TM), TSInfo(),
     35 
     36       // Subtarget features
     37       m_hasSRAM(false), m_hasJMPCALL(false), m_hasIJMPCALL(false),
     38       m_hasEIJMPCALL(false), m_hasADDSUBIW(false), m_hasSmallStack(false),
     39       m_hasMOVW(false), m_hasLPM(false), m_hasLPMX(false),  m_hasELPM(false),
     40       m_hasELPMX(false), m_hasSPM(false), m_hasSPMX(false), m_hasDES(false),
     41       m_supportsRMW(false), m_supportsMultiplication(false), m_hasBREAK(false),
     42       m_hasTinyEncoding(false), ELFArch(false), m_FeatureSetDummy(false) {
     43   // Parse features string.
     44   ParseSubtargetFeatures(CPU, FS);
     45 }
     46 
     47 } // end of namespace llvm
     48