//===-- SystemZMCTargetDesc.cpp - SystemZ target descriptions -------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "SystemZMCTargetDesc.h" #include "SystemZGNUInstPrinter.h" #include "SystemZHLASMAsmStreamer.h" #include "SystemZHLASMInstPrinter.h" #include "SystemZMCAsmInfo.h" #include "SystemZTargetStreamer.h" #include "TargetInfo/SystemZTargetInfo.h" #include "llvm/MC/MCContext.h" #include "llvm/MC/MCDwarf.h" #include "llvm/MC/MCInst.h" #include "llvm/MC/MCInstrAnalysis.h" #include "llvm/MC/MCInstrInfo.h" #include "llvm/MC/MCRegisterInfo.h" #include "llvm/MC/MCStreamer.h" #include "llvm/MC/MCSubtargetInfo.h" #include "llvm/MC/TargetRegistry.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/Compiler.h" using namespace llvm; #define GET_INSTRINFO_MC_DESC #define ENABLE_INSTR_PREDICATE_VERIFIER #include "SystemZGenInstrInfo.inc" #define GET_SUBTARGETINFO_MC_DESC #include "SystemZGenSubtargetInfo.inc" #define GET_REGINFO_MC_DESC #include "SystemZGenRegisterInfo.inc" // Temporary option to assist with the migration to a new HLASMAsmStreamer on // z/OS static cl::opt GNUAsOnzOSCL("emit-gnuas-syntax-on-zos", cl::desc("Emit GNU Assembly Syntax on z/OS."), cl::init(true)); const unsigned SystemZMC::GR32Regs[16] = { SystemZ::R0L, SystemZ::R1L, SystemZ::R2L, SystemZ::R3L, SystemZ::R4L, SystemZ::R5L, SystemZ::R6L, SystemZ::R7L, SystemZ::R8L, SystemZ::R9L, SystemZ::R10L, SystemZ::R11L, SystemZ::R12L, SystemZ::R13L, SystemZ::R14L, SystemZ::R15L}; const unsigned SystemZMC::GRH32Regs[16] = { SystemZ::R0H, SystemZ::R1H, SystemZ::R2H, SystemZ::R3H, SystemZ::R4H, SystemZ::R5H, SystemZ::R6H, SystemZ::R7H, SystemZ::R8H, SystemZ::R9H, SystemZ::R10H, SystemZ::R11H, SystemZ::R12H, SystemZ::R13H, SystemZ::R14H, SystemZ::R15H}; const unsigned SystemZMC::GR64Regs[16] = { SystemZ::R0D, SystemZ::R1D, SystemZ::R2D, SystemZ::R3D, SystemZ::R4D, SystemZ::R5D, SystemZ::R6D, SystemZ::R7D, SystemZ::R8D, SystemZ::R9D, SystemZ::R10D, SystemZ::R11D, SystemZ::R12D, SystemZ::R13D, SystemZ::R14D, SystemZ::R15D}; const unsigned SystemZMC::GR128Regs[16] = { SystemZ::R0Q, 0, SystemZ::R2Q, 0, SystemZ::R4Q, 0, SystemZ::R6Q, 0, SystemZ::R8Q, 0, SystemZ::R10Q, 0, SystemZ::R12Q, 0, SystemZ::R14Q, 0}; const unsigned SystemZMC::FP16Regs[16] = { SystemZ::F0H, SystemZ::F1H, SystemZ::F2H, SystemZ::F3H, SystemZ::F4H, SystemZ::F5H, SystemZ::F6H, SystemZ::F7H, SystemZ::F8H, SystemZ::F9H, SystemZ::F10H, SystemZ::F11H, SystemZ::F12H, SystemZ::F13H, SystemZ::F14H, SystemZ::F15H}; const unsigned SystemZMC::FP32Regs[16] = { SystemZ::F0S, SystemZ::F1S, SystemZ::F2S, SystemZ::F3S, SystemZ::F4S, SystemZ::F5S, SystemZ::F6S, SystemZ::F7S, SystemZ::F8S, SystemZ::F9S, SystemZ::F10S, SystemZ::F11S, SystemZ::F12S, SystemZ::F13S, SystemZ::F14S, SystemZ::F15S}; const unsigned SystemZMC::FP64Regs[16] = { SystemZ::F0D, SystemZ::F1D, SystemZ::F2D, SystemZ::F3D, SystemZ::F4D, SystemZ::F5D, SystemZ::F6D, SystemZ::F7D, SystemZ::F8D, SystemZ::F9D, SystemZ::F10D, SystemZ::F11D, SystemZ::F12D, SystemZ::F13D, SystemZ::F14D, SystemZ::F15D}; const unsigned SystemZMC::FP128Regs[16] = { SystemZ::F0Q, SystemZ::F1Q, 0, 0, SystemZ::F4Q, SystemZ::F5Q, 0, 0, SystemZ::F8Q, SystemZ::F9Q, 0, 0, SystemZ::F12Q, SystemZ::F13Q, 0, 0}; const unsigned SystemZMC::VR16Regs[32] = { SystemZ::F0H, SystemZ::F1H, SystemZ::F2H, SystemZ::F3H, SystemZ::F4H, SystemZ::F5H, SystemZ::F6H, SystemZ::F7H, SystemZ::F8H, SystemZ::F9H, SystemZ::F10H, SystemZ::F11H, SystemZ::F12H, SystemZ::F13H, SystemZ::F14H, SystemZ::F15H, SystemZ::F16H, SystemZ::F17H, SystemZ::F18H, SystemZ::F19H, SystemZ::F20H, SystemZ::F21H, SystemZ::F22H, SystemZ::F23H, SystemZ::F24H, SystemZ::F25H, SystemZ::F26H, SystemZ::F27H, SystemZ::F28H, SystemZ::F29H, SystemZ::F30H, SystemZ::F31H}; const unsigned SystemZMC::VR32Regs[32] = { SystemZ::F0S, SystemZ::F1S, SystemZ::F2S, SystemZ::F3S, SystemZ::F4S, SystemZ::F5S, SystemZ::F6S, SystemZ::F7S, SystemZ::F8S, SystemZ::F9S, SystemZ::F10S, SystemZ::F11S, SystemZ::F12S, SystemZ::F13S, SystemZ::F14S, SystemZ::F15S, SystemZ::F16S, SystemZ::F17S, SystemZ::F18S, SystemZ::F19S, SystemZ::F20S, SystemZ::F21S, SystemZ::F22S, SystemZ::F23S, SystemZ::F24S, SystemZ::F25S, SystemZ::F26S, SystemZ::F27S, SystemZ::F28S, SystemZ::F29S, SystemZ::F30S, SystemZ::F31S}; const unsigned SystemZMC::VR64Regs[32] = { SystemZ::F0D, SystemZ::F1D, SystemZ::F2D, SystemZ::F3D, SystemZ::F4D, SystemZ::F5D, SystemZ::F6D, SystemZ::F7D, SystemZ::F8D, SystemZ::F9D, SystemZ::F10D, SystemZ::F11D, SystemZ::F12D, SystemZ::F13D, SystemZ::F14D, SystemZ::F15D, SystemZ::F16D, SystemZ::F17D, SystemZ::F18D, SystemZ::F19D, SystemZ::F20D, SystemZ::F21D, SystemZ::F22D, SystemZ::F23D, SystemZ::F24D, SystemZ::F25D, SystemZ::F26D, SystemZ::F27D, SystemZ::F28D, SystemZ::F29D, SystemZ::F30D, SystemZ::F31D}; const unsigned SystemZMC::VR128Regs[32] = { SystemZ::V0, SystemZ::V1, SystemZ::V2, SystemZ::V3, SystemZ::V4, SystemZ::V5, SystemZ::V6, SystemZ::V7, SystemZ::V8, SystemZ::V9, SystemZ::V10, SystemZ::V11, SystemZ::V12, SystemZ::V13, SystemZ::V14, SystemZ::V15, SystemZ::V16, SystemZ::V17, SystemZ::V18, SystemZ::V19, SystemZ::V20, SystemZ::V21, SystemZ::V22, SystemZ::V23, SystemZ::V24, SystemZ::V25, SystemZ::V26, SystemZ::V27, SystemZ::V28, SystemZ::V29, SystemZ::V30, SystemZ::V31}; const unsigned SystemZMC::AR32Regs[16] = { SystemZ::A0, SystemZ::A1, SystemZ::A2, SystemZ::A3, SystemZ::A4, SystemZ::A5, SystemZ::A6, SystemZ::A7, SystemZ::A8, SystemZ::A9, SystemZ::A10, SystemZ::A11, SystemZ::A12, SystemZ::A13, SystemZ::A14, SystemZ::A15}; const unsigned SystemZMC::CR64Regs[16] = { SystemZ::C0, SystemZ::C1, SystemZ::C2, SystemZ::C3, SystemZ::C4, SystemZ::C5, SystemZ::C6, SystemZ::C7, SystemZ::C8, SystemZ::C9, SystemZ::C10, SystemZ::C11, SystemZ::C12, SystemZ::C13, SystemZ::C14, SystemZ::C15}; unsigned SystemZMC::getFirstReg(unsigned Reg) { static unsigned Map[SystemZ::NUM_TARGET_REGS]; static bool Initialized = false; if (!Initialized) { for (unsigned I = 0; I < 16; ++I) { Map[GR32Regs[I]] = I; Map[GRH32Regs[I]] = I; Map[GR64Regs[I]] = I; Map[GR128Regs[I]] = I; Map[FP128Regs[I]] = I; Map[AR32Regs[I]] = I; } for (unsigned I = 0; I < 32; ++I) { Map[VR16Regs[I]] = I; Map[VR32Regs[I]] = I; Map[VR64Regs[I]] = I; Map[VR128Regs[I]] = I; } } assert(Reg < SystemZ::NUM_TARGET_REGS); return Map[Reg]; } static MCAsmInfo *createSystemZMCAsmInfo(const MCRegisterInfo &MRI, const Triple &TT, const MCTargetOptions &Options) { if (TT.isOSzOS()) return new SystemZMCAsmInfoGOFF(TT); MCAsmInfo *MAI = new SystemZMCAsmInfoELF(TT); MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa( nullptr, MRI.getDwarfRegNum(SystemZ::R15D, true), SystemZMC::ELFCFAOffsetFromInitialSP); MAI->addInitialFrameState(Inst); return MAI; } static MCInstrInfo *createSystemZMCInstrInfo() { MCInstrInfo *X = new MCInstrInfo(); InitSystemZMCInstrInfo(X); return X; } static MCRegisterInfo *createSystemZMCRegisterInfo(const Triple &TT) { MCRegisterInfo *X = new MCRegisterInfo(); InitSystemZMCRegisterInfo(X, SystemZ::R14D); return X; } static MCSubtargetInfo * createSystemZMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) { return createSystemZMCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS); } static MCInstPrinter *createSystemZMCInstPrinter(const Triple &T, unsigned SyntaxVariant, const MCAsmInfo &MAI, const MCInstrInfo &MII, const MCRegisterInfo &MRI) { if (SyntaxVariant == AD_HLASM) return new SystemZHLASMInstPrinter(MAI, MII, MRI); return new SystemZGNUInstPrinter(MAI, MII, MRI); } static MCTargetStreamer *createAsmTargetStreamer(MCStreamer &S, formatted_raw_ostream &OS, MCInstPrinter *InstPrint) { if (S.getContext().getTargetTriple().isOSzOS() && !GNUAsOnzOSCL) return new SystemZTargetHLASMStreamer(S, OS); else return new SystemZTargetGNUStreamer(S, OS); } static MCStreamer *createSystemZAsmStreamer( MCContext &Ctx, std::unique_ptr OS, std::unique_ptr IP, std::unique_ptr CE, std::unique_ptr TAB) { auto TT = Ctx.getTargetTriple(); if (TT.isOSzOS() && !GNUAsOnzOSCL) return new SystemZHLASMAsmStreamer(Ctx, std::move(OS), std::move(IP), std::move(CE), std::move(TAB)); return llvm::createAsmStreamer(Ctx, std::move(OS), std::move(IP), std::move(CE), std::move(TAB)); } static MCTargetStreamer * createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) { if (S.getContext().getTargetTriple().isOSzOS()) return new SystemZTargetGOFFStreamer(S); else return new SystemZTargetELFStreamer(S); } static MCTargetStreamer * createNullTargetStreamer(MCStreamer &S) { return new SystemZTargetStreamer(S); } static MCInstrAnalysis *createSystemZMCInstrAnalysis(const MCInstrInfo *Info) { return new MCInstrAnalysis(Info); } extern "C" LLVM_ABI LLVM_EXTERNAL_VISIBILITY void LLVMInitializeSystemZTargetMC() { // Register the MCAsmInfo. TargetRegistry::RegisterMCAsmInfo(getTheSystemZTarget(), createSystemZMCAsmInfo); // Register the MCCodeEmitter. TargetRegistry::RegisterMCCodeEmitter(getTheSystemZTarget(), createSystemZMCCodeEmitter); // Register the MCInstrInfo. TargetRegistry::RegisterMCInstrInfo(getTheSystemZTarget(), createSystemZMCInstrInfo); // Register the MCRegisterInfo. TargetRegistry::RegisterMCRegInfo(getTheSystemZTarget(), createSystemZMCRegisterInfo); // Register the MCSubtargetInfo. TargetRegistry::RegisterMCSubtargetInfo(getTheSystemZTarget(), createSystemZMCSubtargetInfo); // Register the MCAsmBackend. TargetRegistry::RegisterMCAsmBackend(getTheSystemZTarget(), createSystemZMCAsmBackend); // Register the MCInstPrinter. TargetRegistry::RegisterMCInstPrinter(getTheSystemZTarget(), createSystemZMCInstPrinter); // Register the asm streamer. TargetRegistry::RegisterAsmStreamer(getTheSystemZTarget(), createSystemZAsmStreamer); // Register the asm target streamer. TargetRegistry::RegisterAsmTargetStreamer(getTheSystemZTarget(), createAsmTargetStreamer); // Register the obj streamer TargetRegistry::RegisterObjectTargetStreamer(getTheSystemZTarget(), createObjectTargetStreamer); // Register the null streamer TargetRegistry::RegisterNullTargetStreamer(getTheSystemZTarget(), createNullTargetStreamer); // Register the MCInstrAnalysis. TargetRegistry::RegisterMCInstrAnalysis(getTheSystemZTarget(), createSystemZMCInstrAnalysis); }