lib/Target/Blackfin/BlackfinSubtarget.cpp

   1 //===- BlackfinSubtarget.cpp - BLACKFIN 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 blackfin specific subclass of TargetSubtargetInfo.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "BlackfinSubtarget.h"
  15 #include "Blackfin.h"
  16 #include "llvm/Target/TargetRegistry.h"
  17
  18 #define GET_SUBTARGETINFO_ENUM
  19 #define GET_SUBTARGETINFO_MC_DESC
  20 #define GET_SUBTARGETINFO_TARGET_DESC
  21 #define GET_SUBTARGETINFO_CTOR
  22 #include "BlackfinGenSubtargetInfo.inc"
  23
  24 using namespace llvm;
  25
  26 BlackfinSubtarget::BlackfinSubtarget(const std::string &TT,
  27                                      const std::string &CPU,
  28                                      const std::string &FS)
  29   : BlackfinGenSubtargetInfo(TT, CPU, FS), sdram(false),
  30     icplb(false),
  31     wa_mi_shift(false),
  32     wa_csync(false),
  33     wa_specld(false),
  34     wa_mmr_stall(false),
  35     wa_lcregs(false),
  36     wa_hwloop(false),
  37     wa_ind_call(false),
  38     wa_killed_mmr(false),
  39     wa_rets(false)
  40 {
  41   std::string CPUName = CPU;
  42   if (CPUName.empty())
  43     CPUName = "generic";
  44   // Parse features string.
  45   ParseSubtargetFeatures(CPUName, FS);
  46 }
  47
  48 MCSubtargetInfo *createBlackfinMCSubtargetInfo(StringRef TT, StringRef CPU,
  49                                                StringRef FS) {
  50   MCSubtargetInfo *X = new MCSubtargetInfo();
  51   InitBlackfinMCSubtargetInfo(X, TT, CPU, FS);
  52   return X;
  53 }
  54
  55 extern "C" void LLVMInitializeBlackfinMCSubtargetInfo() {
  56   TargetRegistry::RegisterMCSubtargetInfo(TheBlackfinTarget,
  57                                           createBlackfinMCSubtargetInfo);
  58 }