llvm-6502/lib/Target/XCore/MCTargetDesc/XCoreMCTargetDesc.cpp
Richard Osborne 9578d793c9 Change XCoreAsmPrinter to lower MachineInstrs to MCInsts before emission.
This change adds XCoreMCInstLower to do the lowering to MCInst and
XCoreInstPrinter to print the MCInsts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170288 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-16 16:20:48 +00:00

105 lines
3.5 KiB
C++

//===-- XCoreMCTargetDesc.cpp - XCore Target Descriptions -----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file provides XCore specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "XCoreMCTargetDesc.h"
#include "XCoreMCAsmInfo.h"
#include "InstPrinter/XCoreInstPrinter.h"
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
#define GET_INSTRINFO_MC_DESC
#include "XCoreGenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "XCoreGenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "XCoreGenRegisterInfo.inc"
using namespace llvm;
static MCInstrInfo *createXCoreMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitXCoreMCInstrInfo(X);
return X;
}
static MCRegisterInfo *createXCoreMCRegisterInfo(StringRef TT) {
MCRegisterInfo *X = new MCRegisterInfo();
InitXCoreMCRegisterInfo(X, XCore::LR);
return X;
}
static MCSubtargetInfo *createXCoreMCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS) {
MCSubtargetInfo *X = new MCSubtargetInfo();
InitXCoreMCSubtargetInfo(X, TT, CPU, FS);
return X;
}
static MCAsmInfo *createXCoreMCAsmInfo(const Target &T, StringRef TT) {
MCAsmInfo *MAI = new XCoreMCAsmInfo(T, TT);
// Initial state of the frame pointer is SP.
MachineLocation Dst(MachineLocation::VirtualFP);
MachineLocation Src(XCore::SP, 0);
MAI->addInitialFrameState(0, Dst, Src);
return MAI;
}
static MCCodeGenInfo *createXCoreMCCodeGenInfo(StringRef TT, Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL) {
MCCodeGenInfo *X = new MCCodeGenInfo();
X->InitMCCodeGenInfo(RM, CM, OL);
return X;
}
static MCInstPrinter *createXCoreMCInstPrinter(const Target &T,
unsigned SyntaxVariant,
const MCAsmInfo &MAI,
const MCInstrInfo &MII,
const MCRegisterInfo &MRI,
const MCSubtargetInfo &STI) {
return new XCoreInstPrinter(MAI, MII, MRI);
}
// Force static initialization.
extern "C" void LLVMInitializeXCoreTargetMC() {
// Register the MC asm info.
RegisterMCAsmInfoFn X(TheXCoreTarget, createXCoreMCAsmInfo);
// Register the MC codegen info.
TargetRegistry::RegisterMCCodeGenInfo(TheXCoreTarget,
createXCoreMCCodeGenInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(TheXCoreTarget, createXCoreMCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(TheXCoreTarget, createXCoreMCRegisterInfo);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(TheXCoreTarget,
createXCoreMCSubtargetInfo);
// Register the MCInstPrinter
TargetRegistry::RegisterMCInstPrinter(TheXCoreTarget,
createXCoreMCInstPrinter);
}