lib/Target/XCore/MCTargetDesc/XCoreMCTargetDesc.cpp

   1 //===-- XCoreMCTargetDesc.cpp - XCore Target Descriptions -------*- 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 provides XCore specific target descriptions.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "XCoreMCTargetDesc.h"
  15 #include "XCoreMCAsmInfo.h"
  16 #include "llvm/MC/MCInstrInfo.h"
  17 #include "llvm/MC/MCRegisterInfo.h"
  18 #include "llvm/MC/MCSubtargetInfo.h"
  19 #include "llvm/Target/TargetRegistry.h"
  20
  21 #define GET_INSTRINFO_MC_DESC
  22 #include "XCoreGenInstrInfo.inc"
  23
  24 #define GET_SUBTARGETINFO_MC_DESC
  25 #include "XCoreGenSubtargetInfo.inc"
  26
  27 #define GET_REGINFO_MC_DESC
  28 #include "XCoreGenRegisterInfo.inc"
  29
  30 using namespace llvm;
  31
  32 static MCInstrInfo *createXCoreMCInstrInfo() {
  33   MCInstrInfo *X = new MCInstrInfo();
  34   InitXCoreMCInstrInfo(X);
  35   return X;
  36 }
  37
  38 extern "C" void LLVMInitializeXCoreMCInstrInfo() {
  39   TargetRegistry::RegisterMCInstrInfo(TheXCoreTarget, createXCoreMCInstrInfo);
  40 }
  41
  42 static MCRegisterInfo *createXCoreMCRegisterInfo(StringRef TT) {
  43   MCRegisterInfo *X = new MCRegisterInfo();
  44   InitXCoreMCRegisterInfo(X, XCore::LR);
  45   return X;
  46 }
  47
  48 extern "C" void LLVMInitializeXCoreMCRegisterInfo() {
  49   TargetRegistry::RegisterMCRegInfo(TheXCoreTarget, createXCoreMCRegisterInfo);
  50 }
  51
  52 static MCSubtargetInfo *createXCoreMCSubtargetInfo(StringRef TT, StringRef CPU,
  53                                                    StringRef FS) {
  54   MCSubtargetInfo *X = new MCSubtargetInfo();
  55   InitXCoreMCSubtargetInfo(X, TT, CPU, FS);
  56   return X;
  57 }
  58
  59 extern "C" void LLVMInitializeXCoreMCSubtargetInfo() {
  60   TargetRegistry::RegisterMCSubtargetInfo(TheXCoreTarget,
  61                                           createXCoreMCSubtargetInfo);
  62 }
  63
  64 static MCAsmInfo *createXCoreMCAsmInfo(const Target &T, StringRef TT) {
  65   MCAsmInfo *MAI = new XCoreMCAsmInfo(T, TT);
  66
  67   // Initial state of the frame pointer is SP.
  68   MachineLocation Dst(MachineLocation::VirtualFP);
  69   MachineLocation Src(XCore::SP, 0);
  70   MAI->addInitialFrameState(0, Dst, Src);
  71
  72   return MAI;
  73 }
  74
  75 extern "C" void LLVMInitializeXCoreMCAsmInfo() {
  76   RegisterMCAsmInfoFn X(TheXCoreTarget, createXCoreMCAsmInfo);
  77 }