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| //===-- 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 "SystemZInstPrinter.h"
#include "SystemZMCAsmInfo.h"
#include "TargetInfo/SystemZTargetInfo.h"
#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/TargetRegistry.h"
using namespace llvm;
#define GET_INSTRINFO_MC_DESC
#include "SystemZGenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "SystemZGenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "SystemZGenRegisterInfo.inc"
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::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::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[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) {
MCAsmInfo *MAI = new SystemZMCAsmInfo(TT);
MCCFIInstruction Inst =
MCCFIInstruction::createDefCfa(nullptr,
MRI.getDwarfRegNum(SystemZ::R15D, true),
SystemZMC::CFAOffsetFromInitialSP);
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, FS);
}
static MCInstPrinter *createSystemZMCInstPrinter(const Triple &T,
unsigned SyntaxVariant,
const MCAsmInfo &MAI,
const MCInstrInfo &MII,
const MCRegisterInfo &MRI) {
return new SystemZInstPrinter(MAI, MII, MRI);
}
extern "C" 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);
}
|