PPCInstPrinter.cpp | Explore in Territory

//===-- PPCInstPrinter.cpp - Convert PPC MCInst to assembly syntax --------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This class prints an PPC MCInst to a .s file.
//
//===----------------------------------------------------------------------===//

#include "MCTargetDesc/PPCInstPrinter.h"
#include "MCTargetDesc/PPCMCTargetDesc.h"
#include "MCTargetDesc/PPCPredicates.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/raw_ostream.h"
usingnamespacellvm;

#define DEBUG_TYPE …

// FIXME: Once the integrated assembler supports full register names, tie this
// to the verbose-asm setting.
static cl::opt<bool>
FullRegNames("ppc-asm-full-reg-names", cl::Hidden, cl::init(false),
             cl::desc("Use full register names when printing assembly"));

// Useful for testing purposes. Prints vs{31-63} as v{0-31} respectively.
static cl::opt<bool>
ShowVSRNumsAsVR("ppc-vsr-nums-as-vr", cl::Hidden, cl::init(false),
             cl::desc("Prints full register names with vs{31-63} as v{0-31}"));

// Prints full register names with percent symbol.
static cl::opt<bool>
FullRegNamesWithPercent("ppc-reg-with-percent-prefix", cl::Hidden,
                        cl::init(false),
                        cl::desc("Prints full register names with percent"));

#define PRINT_ALIAS_INSTR
#include "PPCGenAsmWriter.inc"

void PPCInstPrinter::printRegName(raw_ostream &OS, MCRegister Reg) const { … }

void PPCInstPrinter::printInst(const MCInst *MI, uint64_t Address,
                               StringRef Annot, const MCSubtargetInfo &STI,
                               raw_ostream &O) { … }

void PPCInstPrinter::printPredicateOperand(const MCInst *MI, unsigned OpNo,
                                           const MCSubtargetInfo &STI,
                                           raw_ostream &O,
                                           const char *Modifier) { … }

void PPCInstPrinter::printATBitsAsHint(const MCInst *MI, unsigned OpNo,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O) { … }

void PPCInstPrinter::printU1ImmOperand(const MCInst *MI, unsigned OpNo,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O) { … }

void PPCInstPrinter::printU2ImmOperand(const MCInst *MI, unsigned OpNo,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O) { … }

void PPCInstPrinter::printU3ImmOperand(const MCInst *MI, unsigned OpNo,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O) { … }

void PPCInstPrinter::printU4ImmOperand(const MCInst *MI, unsigned OpNo,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O) { … }

void PPCInstPrinter::printS5ImmOperand(const MCInst *MI, unsigned OpNo,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O) { … }

void PPCInstPrinter::printImmZeroOperand(const MCInst *MI, unsigned OpNo,
                                         const MCSubtargetInfo &STI,
                                         raw_ostream &O) { … }

void PPCInstPrinter::printU5ImmOperand(const MCInst *MI, unsigned OpNo,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O) { … }

void PPCInstPrinter::printU6ImmOperand(const MCInst *MI, unsigned OpNo,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O) { … }

void PPCInstPrinter::printU7ImmOperand(const MCInst *MI, unsigned OpNo,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O) { … }

// Operands of BUILD_VECTOR are signed and we use this to print operands
// of XXSPLTIB which are unsigned. So we simply truncate to 8 bits and
// print as unsigned.
void PPCInstPrinter::printU8ImmOperand(const MCInst *MI, unsigned OpNo,
                                       const MCSubtargetInfo &STI,
                                       raw_ostream &O) { … }

void PPCInstPrinter::printU10ImmOperand(const MCInst *MI, unsigned OpNo,
                                        const MCSubtargetInfo &STI,
                                        raw_ostream &O) { … }

void PPCInstPrinter::printU12ImmOperand(const MCInst *MI, unsigned OpNo,
                                        const MCSubtargetInfo &STI,
                                        raw_ostream &O) { … }

void PPCInstPrinter::printS16ImmOperand(const MCInst *MI, unsigned OpNo,
                                        const MCSubtargetInfo &STI,
                                        raw_ostream &O) { … }

void PPCInstPrinter::printS34ImmOperand(const MCInst *MI, unsigned OpNo,
                                        const MCSubtargetInfo &STI,
                                        raw_ostream &O) { … }

void PPCInstPrinter::printU16ImmOperand(const MCInst *MI, unsigned OpNo,
                                        const MCSubtargetInfo &STI,
                                        raw_ostream &O) { … }

void PPCInstPrinter::printBranchOperand(const MCInst *MI, uint64_t Address,
                                        unsigned OpNo,
                                        const MCSubtargetInfo &STI,
                                        raw_ostream &O) { … }

void PPCInstPrinter::printAbsBranchOperand(const MCInst *MI, unsigned OpNo,
                                           const MCSubtargetInfo &STI,
                                           raw_ostream &O) { … }

void PPCInstPrinter::printcrbitm(const MCInst *MI, unsigned OpNo,
                                 const MCSubtargetInfo &STI, raw_ostream &O) { … }

void PPCInstPrinter::printMemRegImm(const MCInst *MI, unsigned OpNo,
                                    const MCSubtargetInfo &STI,
                                    raw_ostream &O) { … }

void PPCInstPrinter::printMemRegImmHash(const MCInst *MI, unsigned OpNo,
                                        const MCSubtargetInfo &STI,
                                        raw_ostream &O) { … }

void PPCInstPrinter::printMemRegImm34PCRel(const MCInst *MI, unsigned OpNo,
                                           const MCSubtargetInfo &STI,
                                           raw_ostream &O) { … }

void PPCInstPrinter::printMemRegImm34(const MCInst *MI, unsigned OpNo,
                                      const MCSubtargetInfo &STI,
                                      raw_ostream &O) { … }

void PPCInstPrinter::printMemRegReg(const MCInst *MI, unsigned OpNo,
                                    const MCSubtargetInfo &STI,
                                    raw_ostream &O) { … }

void PPCInstPrinter::printTLSCall(const MCInst *MI, unsigned OpNo,
                                  const MCSubtargetInfo &STI, raw_ostream &O) { … }

/// showRegistersWithPercentPrefix - Check if this register name should be
/// printed with a percentage symbol as prefix.
bool PPCInstPrinter::showRegistersWithPercentPrefix(const char *RegName) const { … }

/// getVerboseConditionalRegName - This method expands the condition register
/// when requested explicitly or targetting Darwin.
const char *
PPCInstPrinter::getVerboseConditionRegName(unsigned RegNum,
                                           unsigned RegEncoding) const { … }

// showRegistersWithPrefix - This method determines whether registers
// should be number-only or include the prefix.
bool PPCInstPrinter::showRegistersWithPrefix() const { … }

void PPCInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
                                  const MCSubtargetInfo &STI, raw_ostream &O) { … }
llvm/llvm/lib/Target/PowerPC/MCTargetDesc/PPCInstPrinter.cpp
