122 lines · cpp
1//===-- VEMCTargetDesc.cpp - VE Target Descriptions -----------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// This file provides VE specific target descriptions.10//11//===----------------------------------------------------------------------===//12 13#include "VEMCTargetDesc.h"14#include "TargetInfo/VETargetInfo.h"15#include "VEInstPrinter.h"16#include "VEMCAsmInfo.h"17#include "VETargetStreamer.h"18#include "llvm/MC/MCInstrInfo.h"19#include "llvm/MC/MCRegisterInfo.h"20#include "llvm/MC/MCSubtargetInfo.h"21#include "llvm/MC/TargetRegistry.h"22#include "llvm/Support/Compiler.h"23#include "llvm/Support/ErrorHandling.h"24 25using namespace llvm;26 27#define GET_INSTRINFO_MC_DESC28#define ENABLE_INSTR_PREDICATE_VERIFIER29#include "VEGenInstrInfo.inc"30 31#define GET_SUBTARGETINFO_MC_DESC32#include "VEGenSubtargetInfo.inc"33 34#define GET_REGINFO_MC_DESC35#include "VEGenRegisterInfo.inc"36 37static MCAsmInfo *createVEMCAsmInfo(const MCRegisterInfo &MRI, const Triple &TT,38 const MCTargetOptions &Options) {39 MCAsmInfo *MAI = new VEELFMCAsmInfo(TT);40 unsigned Reg = MRI.getDwarfRegNum(VE::SX11, true);41 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0);42 MAI->addInitialFrameState(Inst);43 return MAI;44}45 46static MCInstrInfo *createVEMCInstrInfo() {47 MCInstrInfo *X = new MCInstrInfo();48 InitVEMCInstrInfo(X);49 return X;50}51 52static MCRegisterInfo *createVEMCRegisterInfo(const Triple &TT) {53 MCRegisterInfo *X = new MCRegisterInfo();54 InitVEMCRegisterInfo(X, VE::SX10);55 return X;56}57 58static MCSubtargetInfo *createVEMCSubtargetInfo(const Triple &TT, StringRef CPU,59 StringRef FS) {60 if (CPU.empty())61 CPU = "generic";62 return createVEMCSubtargetInfoImpl(TT, CPU, /*TuneCPU=*/CPU, FS);63}64 65static MCTargetStreamer *66createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {67 return new VETargetELFStreamer(S);68}69 70static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,71 formatted_raw_ostream &OS,72 MCInstPrinter *InstPrint) {73 return new VETargetAsmStreamer(S, OS);74}75 76static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) {77 return new VETargetStreamer(S);78}79 80static MCInstPrinter *createVEMCInstPrinter(const Triple &T,81 unsigned SyntaxVariant,82 const MCAsmInfo &MAI,83 const MCInstrInfo &MII,84 const MCRegisterInfo &MRI) {85 return new VEInstPrinter(MAI, MII, MRI);86}87 88extern "C" LLVM_ABI LLVM_EXTERNAL_VISIBILITY void LLVMInitializeVETargetMC() {89 // Register the MC asm info.90 RegisterMCAsmInfoFn X(getTheVETarget(), createVEMCAsmInfo);91 92 for (Target *T : {&getTheVETarget()}) {93 // Register the MC instruction info.94 TargetRegistry::RegisterMCInstrInfo(*T, createVEMCInstrInfo);95 96 // Register the MC register info.97 TargetRegistry::RegisterMCRegInfo(*T, createVEMCRegisterInfo);98 99 // Register the MC subtarget info.100 TargetRegistry::RegisterMCSubtargetInfo(*T, createVEMCSubtargetInfo);101 102 // Register the MC Code Emitter.103 TargetRegistry::RegisterMCCodeEmitter(*T, createVEMCCodeEmitter);104 105 // Register the asm backend.106 TargetRegistry::RegisterMCAsmBackend(*T, createVEAsmBackend);107 108 // Register the object target streamer.109 TargetRegistry::RegisterObjectTargetStreamer(*T,110 createObjectTargetStreamer);111 112 // Register the asm streamer.113 TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer);114 115 // Register the null streamer.116 TargetRegistry::RegisterNullTargetStreamer(*T, createNullTargetStreamer);117 118 // Register the MCInstPrinter119 TargetRegistry::RegisterMCInstPrinter(*T, createVEMCInstPrinter);120 }121}122