llvm-6502/lib/Target/CellSPU/MCTargetDesc/SPUMCTargetDesc.cpp
2011-07-23 00:01:04 +00:00

92 lines
2.8 KiB
C++

//===-- SPUMCTargetDesc.cpp - Cell SPU Target Descriptions -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file provides Cell SPU specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "SPUMCTargetDesc.h"
#include "SPUMCAsmInfo.h"
#include "llvm/MC/MachineLocation.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Target/TargetRegistry.h"
#define GET_INSTRINFO_MC_DESC
#include "SPUGenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "SPUGenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "SPUGenRegisterInfo.inc"
using namespace llvm;
static MCInstrInfo *createSPUMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitSPUMCInstrInfo(X);
return X;
}
static MCRegisterInfo *createCellSPUMCRegisterInfo(StringRef TT) {
MCRegisterInfo *X = new MCRegisterInfo();
InitSPUMCRegisterInfo(X, SPU::R0);
return X;
}
static MCSubtargetInfo *createSPUMCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS) {
MCSubtargetInfo *X = new MCSubtargetInfo();
InitSPUMCSubtargetInfo(X, TT, CPU, FS);
return X;
}
static MCAsmInfo *createSPUMCAsmInfo(const Target &T, StringRef TT) {
MCAsmInfo *MAI = new SPULinuxMCAsmInfo(T, TT);
// Initial state of the frame pointer is R1.
MachineLocation Dst(MachineLocation::VirtualFP);
MachineLocation Src(SPU::R1, 0);
MAI->addInitialFrameState(0, Dst, Src);
return MAI;
}
static MCCodeGenInfo *createSPUMCCodeGenInfo(StringRef TT, Reloc::Model RM,
CodeModel::Model CM) {
MCCodeGenInfo *X = new MCCodeGenInfo();
// For the time being, use static relocations, since there's really no
// support for PIC yet.
X->InitMCCodeGenInfo(Reloc::Static, CM);
return X;
}
// Force static initialization.
extern "C" void LLVMInitializeCellSPUTargetMC() {
// Register the MC asm info.
RegisterMCAsmInfoFn X(TheCellSPUTarget, createSPUMCAsmInfo);
// Register the MC codegen info.
TargetRegistry::RegisterMCCodeGenInfo(TheCellSPUTarget,
createSPUMCCodeGenInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(TheCellSPUTarget, createSPUMCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(TheCellSPUTarget,
createCellSPUMCRegisterInfo);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(TheCellSPUTarget,
createSPUMCSubtargetInfo);
}