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cc37252d6a
This basic parser will handle basic instructions with register or immediate operands. With the addition of CSKYInstPrinter, we can now make use of lit tests. Differential Revision: https://reviews.llvm.org/D93798
86 lines
3.2 KiB
C++
86 lines
3.2 KiB
C++
//===-- CSKYMCTargetDesc.cpp - CSKY Target Descriptions -------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// This file provides CSKY specific target descriptions.
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///
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//===----------------------------------------------------------------------===//
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#include "CSKYMCTargetDesc.h"
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#include "CSKYAsmBackend.h"
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#include "CSKYInstPrinter.h"
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#include "CSKYMCAsmInfo.h"
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#include "CSKYMCCodeEmitter.h"
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#include "TargetInfo/CSKYTargetInfo.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/Support/TargetRegistry.h"
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#define GET_INSTRINFO_MC_DESC
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#include "CSKYGenInstrInfo.inc"
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#define GET_REGINFO_MC_DESC
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#include "CSKYGenRegisterInfo.inc"
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#define GET_SUBTARGETINFO_MC_DESC
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#include "CSKYGenSubtargetInfo.inc"
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using namespace llvm;
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static MCAsmInfo *createCSKYMCAsmInfo(const MCRegisterInfo &MRI,
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const Triple &TT,
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const MCTargetOptions &Options) {
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MCAsmInfo *MAI = new CSKYMCAsmInfo(TT);
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// Initial state of the frame pointer is SP.
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unsigned Reg = MRI.getDwarfRegNum(CSKY::R14, true);
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MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0);
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MAI->addInitialFrameState(Inst);
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return MAI;
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}
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static MCInstrInfo *createCSKYMCInstrInfo() {
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MCInstrInfo *Info = new MCInstrInfo();
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InitCSKYMCInstrInfo(Info);
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return Info;
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}
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static MCInstPrinter *createCSKYMCInstPrinter(const Triple &T,
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unsigned SyntaxVariant,
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const MCAsmInfo &MAI,
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const MCInstrInfo &MII,
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const MCRegisterInfo &MRI) {
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return new CSKYInstPrinter(MAI, MII, MRI);
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}
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static MCRegisterInfo *createCSKYMCRegisterInfo(const Triple &TT) {
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MCRegisterInfo *Info = new MCRegisterInfo();
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InitCSKYMCRegisterInfo(Info, CSKY::R15);
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return Info;
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}
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static MCSubtargetInfo *createCSKYMCSubtargetInfo(const Triple &TT,
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StringRef CPU, StringRef FS) {
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std::string CPUName = std::string(CPU);
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if (CPUName.empty())
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CPUName = "generic";
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return createCSKYMCSubtargetInfoImpl(TT, CPUName, /*TuneCPU=*/CPUName, FS);
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}
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extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeCSKYTargetMC() {
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auto &CSKYTarget = getTheCSKYTarget();
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TargetRegistry::RegisterMCAsmBackend(CSKYTarget, createCSKYAsmBackend);
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TargetRegistry::RegisterMCAsmInfo(CSKYTarget, createCSKYMCAsmInfo);
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TargetRegistry::RegisterMCInstrInfo(CSKYTarget, createCSKYMCInstrInfo);
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TargetRegistry::RegisterMCRegInfo(CSKYTarget, createCSKYMCRegisterInfo);
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TargetRegistry::RegisterMCCodeEmitter(CSKYTarget, createCSKYMCCodeEmitter);
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TargetRegistry::RegisterMCInstPrinter(CSKYTarget, createCSKYMCInstPrinter);
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TargetRegistry::RegisterMCSubtargetInfo(CSKYTarget,
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createCSKYMCSubtargetInfo);
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}
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