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//===-- SparcMCTargetDesc.cpp - Sparc 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 Sparc specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "SparcMCTargetDesc.h"
#include "SparcMCAsmInfo.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 "SparcGenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "SparcGenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "SparcGenRegisterInfo.inc"
using namespace llvm;
static MCInstrInfo *createSparcMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitSparcMCInstrInfo(X);
return X;
}
static MCRegisterInfo *createSparcMCRegisterInfo(StringRef TT) {
MCRegisterInfo *X = new MCRegisterInfo();
InitSparcMCRegisterInfo(X, SP::I7);
return X;
}
static MCSubtargetInfo *createSparcMCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS) {
MCSubtargetInfo *X = new MCSubtargetInfo();
InitSparcMCSubtargetInfo(X, TT, CPU, FS);
return X;
}
// Code models. Some only make sense for 64-bit code.
//
// SunCC Reloc CodeModel Constraints
// abs32 Static Small text+data+bss linked below 2^32 bytes
// abs44 Static Medium text+data+bss linked below 2^44 bytes
// abs64 Static Large text smaller than 2^31 bytes
// pic13 PIC_ Small GOT < 2^13 bytes
// pic32 PIC_ Medium GOT < 2^32 bytes
//
// All code models require that the text segment is smaller than 2GB.
static MCCodeGenInfo *createSparcMCCodeGenInfo(StringRef TT, Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL) {
MCCodeGenInfo *X = new MCCodeGenInfo();
// The default 32-bit code model is abs32/pic32.
if (CM == CodeModel::Default)
CM = RM == Reloc::PIC_ ? CodeModel::Medium : CodeModel::Small;
X->InitMCCodeGenInfo(RM, CM, OL);
return X;
}
static MCCodeGenInfo *createSparcV9MCCodeGenInfo(StringRef TT, Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL) {
MCCodeGenInfo *X = new MCCodeGenInfo();
// The default 64-bit code model is abs44/pic32.
if (CM == CodeModel::Default)
CM = CodeModel::Medium;
X->InitMCCodeGenInfo(RM, CM, OL);
return X;
}
extern "C" void LLVMInitializeSparcTargetMC() {
// Register the MC asm info.
RegisterMCAsmInfo<SparcELFMCAsmInfo> X(TheSparcTarget);
RegisterMCAsmInfo<SparcELFMCAsmInfo> Y(TheSparcV9Target);
// Register the MC codegen info.
TargetRegistry::RegisterMCCodeGenInfo(TheSparcTarget,
createSparcMCCodeGenInfo);
TargetRegistry::RegisterMCCodeGenInfo(TheSparcV9Target,
createSparcV9MCCodeGenInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(TheSparcTarget, createSparcMCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(TheSparcTarget, createSparcMCRegisterInfo);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(TheSparcTarget,
createSparcMCSubtargetInfo);
}
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