lib/Target/MBlaze/MBlazeSubtarget.h

   1 //=====-- MBlazeSubtarget.h - Define Subtarget for the MBlaze -*- C++ -*--====//
   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 declares the MBlaze specific subclass of TargetSubtarget.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef MBLAZESUBTARGET_H
  15 #define MBLAZESUBTARGET_H
  16
  17 #include "llvm/Target/TargetSubtarget.h"
  18 #include "llvm/Target/TargetMachine.h"
  19
  20 #include <string>
  21
  22 namespace llvm {
  23
  24 class MBlazeSubtarget : public TargetSubtarget {
  25
  26 protected:
  27
  28   enum MBlazeArchEnum {
  29     V400, V500, V600, V700, V710
  30   };
  31
  32   // MBlaze architecture version
  33   MBlazeArchEnum MBlazeArchVersion;
  34
  35   bool HasPipe3;
  36   bool HasBarrel;
  37   bool HasDiv;
  38   bool HasMul;
  39   bool HasFSL;
  40   bool HasEFSL;
  41   bool HasMSRSet;
  42   bool HasException;
  43   bool HasPatCmp;
  44   bool HasFPU;
  45   bool HasESR;
  46   bool HasPVR;
  47   bool HasMul64;
  48   bool HasSqrt;
  49   bool HasMMU;
  50
  51   InstrItineraryData InstrItins;
  52
  53 public:
  54
  55   /// This constructor initializes the data members to match that
  56   /// of the specified triple.
  57   MBlazeSubtarget(const std::string &TT, const std::string &FS);
  58
  59   /// ParseSubtargetFeatures - Parses features string setting specified
  60   /// subtarget options.  Definition of function is auto generated by tblgen.
  61   std::string ParseSubtargetFeatures(const std::string &FS,
  62                                      const std::string &CPU);
  63
  64   bool hasFPU()    const { return HasFPU; }
  65   bool hasSqrt()   const { return HasSqrt; }
  66   bool hasMul()    const { return HasMul; }
  67   bool hasMul64()  const { return HasMul64; }
  68   bool hasDiv()    const { return HasDiv; }
  69   bool hasBarrel() const { return HasBarrel; }
  70
  71   bool isV400() const { return MBlazeArchVersion == V400; }
  72   bool isV500() const { return MBlazeArchVersion == V500; }
  73   bool isV600() const { return MBlazeArchVersion == V600; }
  74   bool isV700() const { return MBlazeArchVersion == V700; }
  75   bool isV710() const { return MBlazeArchVersion == V710; }
  76 };
  77 } // End llvm namespace
  78
  79 #endif