1 //===-- AArch64InstPrinter.h - Convert AArch64 MCInst to assembly syntax --===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This class prints an AArch64 MCInst to a .s file. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_TARGET_AARCH64_INSTPRINTER_AARCH64INSTPRINTER_H 15 #define LLVM_LIB_TARGET_AARCH64_INSTPRINTER_AARCH64INSTPRINTER_H 16 17 #include "MCTargetDesc/AArch64MCTargetDesc.h" 18 #include "llvm/ADT/StringRef.h" 19 #include "llvm/MC/MCInstPrinter.h" 20 #include "llvm/MC/MCSubtargetInfo.h" 21 22 namespace llvm { 23 24 class MCOperand; 25 26 class AArch64InstPrinter : public MCInstPrinter { 27 public: 28 AArch64InstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII, 29 const MCRegisterInfo &MRI); 30 31 void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot, 32 const MCSubtargetInfo &STI) override; 33 void printRegName(raw_ostream &OS, unsigned RegNo) const override; 34 35 // Autogenerated by tblgen. 36 virtual void printInstruction(const MCInst *MI, const MCSubtargetInfo &STI, 37 raw_ostream &O); 38 virtual bool printAliasInstr(const MCInst *MI, const MCSubtargetInfo &STI, 39 raw_ostream &O); 40 virtual void printCustomAliasOperand(const MCInst *MI, unsigned OpIdx, 41 unsigned PrintMethodIdx, 42 const MCSubtargetInfo &STI, 43 raw_ostream &O); getRegName(unsigned RegNo)44 virtual StringRef getRegName(unsigned RegNo) const { 45 return getRegisterName(RegNo); 46 } 47 static const char *getRegisterName(unsigned RegNo, 48 unsigned AltIdx = AArch64::NoRegAltName); 49 50 protected: 51 bool printSysAlias(const MCInst *MI, const MCSubtargetInfo &STI, 52 raw_ostream &O); 53 // Operand printers 54 void printOperand(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI, 55 raw_ostream &O); 56 void printHexImm(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI, 57 raw_ostream &O); 58 void printPostIncOperand(const MCInst *MI, unsigned OpNo, unsigned Imm, 59 raw_ostream &O); 60 template <int Amount> printPostIncOperand(const MCInst * MI,unsigned OpNo,const MCSubtargetInfo & STI,raw_ostream & O)61 void printPostIncOperand(const MCInst *MI, unsigned OpNo, 62 const MCSubtargetInfo &STI, raw_ostream &O) { 63 printPostIncOperand(MI, OpNo, Amount, O); 64 } 65 66 void printVRegOperand(const MCInst *MI, unsigned OpNo, 67 const MCSubtargetInfo &STI, raw_ostream &O); 68 void printSysCROperand(const MCInst *MI, unsigned OpNo, 69 const MCSubtargetInfo &STI, raw_ostream &O); 70 void printAddSubImm(const MCInst *MI, unsigned OpNum, 71 const MCSubtargetInfo &STI, raw_ostream &O); 72 void printLogicalImm32(const MCInst *MI, unsigned OpNum, 73 const MCSubtargetInfo &STI, raw_ostream &O); 74 void printLogicalImm64(const MCInst *MI, unsigned OpNum, 75 const MCSubtargetInfo &STI, raw_ostream &O); 76 void printShifter(const MCInst *MI, unsigned OpNum, 77 const MCSubtargetInfo &STI, raw_ostream &O); 78 void printShiftedRegister(const MCInst *MI, unsigned OpNum, 79 const MCSubtargetInfo &STI, raw_ostream &O); 80 void printExtendedRegister(const MCInst *MI, unsigned OpNum, 81 const MCSubtargetInfo &STI, raw_ostream &O); 82 void printArithExtend(const MCInst *MI, unsigned OpNum, 83 const MCSubtargetInfo &STI, raw_ostream &O); 84 85 void printMemExtend(const MCInst *MI, unsigned OpNum, raw_ostream &O, 86 char SrcRegKind, unsigned Width); 87 template <char SrcRegKind, unsigned Width> printMemExtend(const MCInst * MI,unsigned OpNum,const MCSubtargetInfo & STI,raw_ostream & O)88 void printMemExtend(const MCInst *MI, unsigned OpNum, 89 const MCSubtargetInfo &STI, raw_ostream &O) { 90 printMemExtend(MI, OpNum, O, SrcRegKind, Width); 91 } 92 93 void printCondCode(const MCInst *MI, unsigned OpNum, 94 const MCSubtargetInfo &STI, raw_ostream &O); 95 void printInverseCondCode(const MCInst *MI, unsigned OpNum, 96 const MCSubtargetInfo &STI, raw_ostream &O); 97 void printAlignedLabel(const MCInst *MI, unsigned OpNum, 98 const MCSubtargetInfo &STI, raw_ostream &O); 99 void printUImm12Offset(const MCInst *MI, unsigned OpNum, unsigned Scale, 100 raw_ostream &O); 101 void printAMIndexedWB(const MCInst *MI, unsigned OpNum, unsigned Scale, 102 raw_ostream &O); 103 104 template <int Scale> printUImm12Offset(const MCInst * MI,unsigned OpNum,const MCSubtargetInfo & STI,raw_ostream & O)105 void printUImm12Offset(const MCInst *MI, unsigned OpNum, 106 const MCSubtargetInfo &STI, raw_ostream &O) { 107 printUImm12Offset(MI, OpNum, Scale, O); 108 } 109 110 template <int BitWidth> printAMIndexedWB(const MCInst * MI,unsigned OpNum,const MCSubtargetInfo & STI,raw_ostream & O)111 void printAMIndexedWB(const MCInst *MI, unsigned OpNum, 112 const MCSubtargetInfo &STI, raw_ostream &O) { 113 printAMIndexedWB(MI, OpNum, BitWidth / 8, O); 114 } 115 116 void printAMNoIndex(const MCInst *MI, unsigned OpNum, 117 const MCSubtargetInfo &STI, raw_ostream &O); 118 119 template <int Scale> 120 void printImmScale(const MCInst *MI, unsigned OpNum, 121 const MCSubtargetInfo &STI, raw_ostream &O); 122 123 void printPrefetchOp(const MCInst *MI, unsigned OpNum, 124 const MCSubtargetInfo &STI, raw_ostream &O); 125 126 void printPSBHintOp(const MCInst *MI, unsigned OpNum, 127 const MCSubtargetInfo &STI, raw_ostream &O); 128 129 void printFPImmOperand(const MCInst *MI, unsigned OpNum, 130 const MCSubtargetInfo &STI, raw_ostream &O); 131 132 void printVectorList(const MCInst *MI, unsigned OpNum, 133 const MCSubtargetInfo &STI, raw_ostream &O, 134 StringRef LayoutSuffix); 135 136 /// Print a list of vector registers where the type suffix is implicit 137 /// (i.e. attached to the instruction rather than the registers). 138 void printImplicitlyTypedVectorList(const MCInst *MI, unsigned OpNum, 139 const MCSubtargetInfo &STI, 140 raw_ostream &O); 141 142 template <unsigned NumLanes, char LaneKind> 143 void printTypedVectorList(const MCInst *MI, unsigned OpNum, 144 const MCSubtargetInfo &STI, raw_ostream &O); 145 146 void printVectorIndex(const MCInst *MI, unsigned OpNum, 147 const MCSubtargetInfo &STI, raw_ostream &O); 148 void printAdrpLabel(const MCInst *MI, unsigned OpNum, 149 const MCSubtargetInfo &STI, raw_ostream &O); 150 void printBarrierOption(const MCInst *MI, unsigned OpNum, 151 const MCSubtargetInfo &STI, raw_ostream &O); 152 void printMSRSystemRegister(const MCInst *MI, unsigned OpNum, 153 const MCSubtargetInfo &STI, raw_ostream &O); 154 void printMRSSystemRegister(const MCInst *MI, unsigned OpNum, 155 const MCSubtargetInfo &STI, raw_ostream &O); 156 void printSystemPStateField(const MCInst *MI, unsigned OpNum, 157 const MCSubtargetInfo &STI, raw_ostream &O); 158 void printSIMDType10Operand(const MCInst *MI, unsigned OpNum, 159 const MCSubtargetInfo &STI, raw_ostream &O); 160 template<unsigned size> 161 void printGPRSeqPairsClassOperand(const MCInst *MI, unsigned OpNum, 162 const MCSubtargetInfo &STI, 163 raw_ostream &O); 164 }; 165 166 class AArch64AppleInstPrinter : public AArch64InstPrinter { 167 public: 168 AArch64AppleInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII, 169 const MCRegisterInfo &MRI); 170 171 void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot, 172 const MCSubtargetInfo &STI) override; 173 174 void printInstruction(const MCInst *MI, const MCSubtargetInfo &STI, 175 raw_ostream &O) override; 176 bool printAliasInstr(const MCInst *MI, const MCSubtargetInfo &STI, 177 raw_ostream &O) override; 178 void printCustomAliasOperand(const MCInst *MI, unsigned OpIdx, 179 unsigned PrintMethodIdx, 180 const MCSubtargetInfo &STI, 181 raw_ostream &O) override; getRegName(unsigned RegNo)182 StringRef getRegName(unsigned RegNo) const override { 183 return getRegisterName(RegNo); 184 } 185 static const char *getRegisterName(unsigned RegNo, 186 unsigned AltIdx = AArch64::NoRegAltName); 187 }; 188 } 189 190 #endif 191