1 //===-- AArch64InstPrinter.h - Convert AArch64 MCInst to assembly syntax --===// 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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This class prints an AArch64 MCInst to a .s file. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64INSTPRINTER_H 14 #define LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64INSTPRINTER_H 15 16 #include "MCTargetDesc/AArch64MCTargetDesc.h" 17 #include "llvm/ADT/StringRef.h" 18 #include "llvm/MC/MCInstPrinter.h" 19 #include "../Utils/AArch64BaseInfo.h" 20 21 namespace llvm { 22 23 class AArch64InstPrinter : public MCInstPrinter { 24 public: 25 AArch64InstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII, 26 const MCRegisterInfo &MRI); 27 28 void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot, 29 const MCSubtargetInfo &STI) override; 30 void printRegName(raw_ostream &OS, unsigned RegNo) const override; 31 32 // Autogenerated by tblgen. 33 virtual void printInstruction(const MCInst *MI, const MCSubtargetInfo &STI, 34 raw_ostream &O); 35 virtual bool printAliasInstr(const MCInst *MI, const MCSubtargetInfo &STI, 36 raw_ostream &O); 37 virtual void printCustomAliasOperand(const MCInst *MI, unsigned OpIdx, 38 unsigned PrintMethodIdx, 39 const MCSubtargetInfo &STI, 40 raw_ostream &O); 41 42 virtual StringRef getRegName(unsigned RegNo) const { 43 return getRegisterName(RegNo); 44 } 45 46 static const char *getRegisterName(unsigned RegNo, 47 unsigned AltIdx = AArch64::NoRegAltName); 48 49 protected: 50 bool printSysAlias(const MCInst *MI, const MCSubtargetInfo &STI, 51 raw_ostream &O); 52 // Operand printers 53 void printOperand(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI, 54 raw_ostream &O); 55 void printImm(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI, 56 raw_ostream &O); 57 void printImmHex(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI, 58 raw_ostream &O); 59 template <typename T> void printImmSVE(T Value, raw_ostream &O); 60 void printPostIncOperand(const MCInst *MI, unsigned OpNo, unsigned Imm, 61 raw_ostream &O); 62 template <int Amount> 63 void printPostIncOperand(const MCInst *MI, unsigned OpNo, 64 const MCSubtargetInfo &STI, raw_ostream &O) { 65 printPostIncOperand(MI, OpNo, Amount, O); 66 } 67 68 void printVRegOperand(const MCInst *MI, unsigned OpNo, 69 const MCSubtargetInfo &STI, raw_ostream &O); 70 void printSysCROperand(const MCInst *MI, unsigned OpNo, 71 const MCSubtargetInfo &STI, raw_ostream &O); 72 void printAddSubImm(const MCInst *MI, unsigned OpNum, 73 const MCSubtargetInfo &STI, raw_ostream &O); 74 template <typename T> 75 void printLogicalImm(const MCInst *MI, unsigned OpNum, 76 const MCSubtargetInfo &STI, raw_ostream &O); 77 void printShifter(const MCInst *MI, unsigned OpNum, 78 const MCSubtargetInfo &STI, raw_ostream &O); 79 void printShiftedRegister(const MCInst *MI, unsigned OpNum, 80 const MCSubtargetInfo &STI, raw_ostream &O); 81 void printExtendedRegister(const MCInst *MI, unsigned OpNum, 82 const MCSubtargetInfo &STI, raw_ostream &O); 83 void printArithExtend(const MCInst *MI, unsigned OpNum, 84 const MCSubtargetInfo &STI, raw_ostream &O); 85 86 void printMemExtend(const MCInst *MI, unsigned OpNum, raw_ostream &O, 87 char SrcRegKind, unsigned Width); 88 template <char SrcRegKind, unsigned Width> 89 void printMemExtend(const MCInst *MI, unsigned OpNum, 90 const MCSubtargetInfo &STI, raw_ostream &O) { 91 printMemExtend(MI, OpNum, O, SrcRegKind, Width); 92 } 93 template <bool SignedExtend, int ExtWidth, char SrcRegKind, char Suffix> 94 void printRegWithShiftExtend(const MCInst *MI, unsigned OpNum, 95 const MCSubtargetInfo &STI, raw_ostream &O); 96 void printCondCode(const MCInst *MI, unsigned OpNum, 97 const MCSubtargetInfo &STI, raw_ostream &O); 98 void printInverseCondCode(const MCInst *MI, unsigned OpNum, 99 const MCSubtargetInfo &STI, raw_ostream &O); 100 void printAlignedLabel(const MCInst *MI, unsigned OpNum, 101 const MCSubtargetInfo &STI, raw_ostream &O); 102 void printUImm12Offset(const MCInst *MI, unsigned OpNum, unsigned Scale, 103 raw_ostream &O); 104 void printAMIndexedWB(const MCInst *MI, unsigned OpNum, unsigned Scale, 105 raw_ostream &O); 106 107 template <int Scale> 108 void printUImm12Offset(const MCInst *MI, unsigned OpNum, 109 const MCSubtargetInfo &STI, raw_ostream &O) { 110 printUImm12Offset(MI, OpNum, Scale, O); 111 } 112 113 template <int BitWidth> 114 void printAMIndexedWB(const MCInst *MI, unsigned OpNum, 115 const MCSubtargetInfo &STI, raw_ostream &O) { 116 printAMIndexedWB(MI, OpNum, BitWidth / 8, O); 117 } 118 119 void printAMNoIndex(const MCInst *MI, unsigned OpNum, 120 const MCSubtargetInfo &STI, raw_ostream &O); 121 122 template <int Scale> 123 void printImmScale(const MCInst *MI, unsigned OpNum, 124 const MCSubtargetInfo &STI, raw_ostream &O); 125 126 template <bool IsSVEPrefetch = false> 127 void printPrefetchOp(const MCInst *MI, unsigned OpNum, 128 const MCSubtargetInfo &STI, raw_ostream &O); 129 130 void printPSBHintOp(const MCInst *MI, unsigned OpNum, 131 const MCSubtargetInfo &STI, raw_ostream &O); 132 133 void printBTIHintOp(const MCInst *MI, unsigned OpNum, 134 const MCSubtargetInfo &STI, raw_ostream &O); 135 136 void printFPImmOperand(const MCInst *MI, unsigned OpNum, 137 const MCSubtargetInfo &STI, raw_ostream &O); 138 139 void printVectorList(const MCInst *MI, unsigned OpNum, 140 const MCSubtargetInfo &STI, raw_ostream &O, 141 StringRef LayoutSuffix); 142 143 /// Print a list of vector registers where the type suffix is implicit 144 /// (i.e. attached to the instruction rather than the registers). 145 void printImplicitlyTypedVectorList(const MCInst *MI, unsigned OpNum, 146 const MCSubtargetInfo &STI, 147 raw_ostream &O); 148 149 template <unsigned NumLanes, char LaneKind> 150 void printTypedVectorList(const MCInst *MI, unsigned OpNum, 151 const MCSubtargetInfo &STI, raw_ostream &O); 152 153 void printVectorIndex(const MCInst *MI, unsigned OpNum, 154 const MCSubtargetInfo &STI, raw_ostream &O); 155 void printAdrpLabel(const MCInst *MI, unsigned OpNum, 156 const MCSubtargetInfo &STI, raw_ostream &O); 157 void printBarrierOption(const MCInst *MI, unsigned OpNum, 158 const MCSubtargetInfo &STI, raw_ostream &O); 159 void printMSRSystemRegister(const MCInst *MI, unsigned OpNum, 160 const MCSubtargetInfo &STI, raw_ostream &O); 161 void printMRSSystemRegister(const MCInst *MI, unsigned OpNum, 162 const MCSubtargetInfo &STI, raw_ostream &O); 163 void printSystemPStateField(const MCInst *MI, unsigned OpNum, 164 const MCSubtargetInfo &STI, raw_ostream &O); 165 void printSIMDType10Operand(const MCInst *MI, unsigned OpNum, 166 const MCSubtargetInfo &STI, raw_ostream &O); 167 template<int64_t Angle, int64_t Remainder> 168 void printComplexRotationOp(const MCInst *MI, unsigned OpNo, 169 const MCSubtargetInfo &STI, raw_ostream &O); 170 template<unsigned size> 171 void printGPRSeqPairsClassOperand(const MCInst *MI, unsigned OpNum, 172 const MCSubtargetInfo &STI, 173 raw_ostream &O); 174 template <typename T> 175 void printImm8OptLsl(const MCInst *MI, unsigned OpNum, 176 const MCSubtargetInfo &STI, raw_ostream &O); 177 template <typename T> 178 void printSVELogicalImm(const MCInst *MI, unsigned OpNum, 179 const MCSubtargetInfo &STI, raw_ostream &O); 180 void printSVEPattern(const MCInst *MI, unsigned OpNum, 181 const MCSubtargetInfo &STI, raw_ostream &O); 182 template <char = 0> 183 void printSVERegOp(const MCInst *MI, unsigned OpNum, 184 const MCSubtargetInfo &STI, raw_ostream &O); 185 void printGPR64as32(const MCInst *MI, unsigned OpNum, 186 const MCSubtargetInfo &STI, raw_ostream &O); 187 template <int Width> 188 void printZPRasFPR(const MCInst *MI, unsigned OpNum, 189 const MCSubtargetInfo &STI, raw_ostream &O); 190 template <unsigned ImmIs0, unsigned ImmIs1> 191 void printExactFPImm(const MCInst *MI, unsigned OpNum, 192 const MCSubtargetInfo &STI, raw_ostream &O); 193 }; 194 195 class AArch64AppleInstPrinter : public AArch64InstPrinter { 196 public: 197 AArch64AppleInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII, 198 const MCRegisterInfo &MRI); 199 200 void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot, 201 const MCSubtargetInfo &STI) override; 202 203 void printInstruction(const MCInst *MI, const MCSubtargetInfo &STI, 204 raw_ostream &O) override; 205 bool printAliasInstr(const MCInst *MI, const MCSubtargetInfo &STI, 206 raw_ostream &O) override; 207 void printCustomAliasOperand(const MCInst *MI, unsigned OpIdx, 208 unsigned PrintMethodIdx, 209 const MCSubtargetInfo &STI, 210 raw_ostream &O) override; 211 212 StringRef getRegName(unsigned RegNo) const override { 213 return getRegisterName(RegNo); 214 } 215 216 static const char *getRegisterName(unsigned RegNo, 217 unsigned AltIdx = AArch64::NoRegAltName); 218 }; 219 220 } // end namespace llvm 221 222 #endif // LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64INSTPRINTER_H 223