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, raw_ostream &O); 52 // Operand printers 53 void printOperand(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI, 54 raw_ostream &O); 55 void printHexImm(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI, 56 raw_ostream &O); 57 void printPostIncOperand(const MCInst *MI, unsigned OpNo, unsigned Imm, 58 raw_ostream &O); 59 template <int Amount> printPostIncOperand(const MCInst * MI,unsigned OpNo,const MCSubtargetInfo & STI,raw_ostream & O)60 void printPostIncOperand(const MCInst *MI, unsigned OpNo, 61 const MCSubtargetInfo &STI, raw_ostream &O) { 62 printPostIncOperand(MI, OpNo, Amount, O); 63 } 64 65 void printVRegOperand(const MCInst *MI, unsigned OpNo, 66 const MCSubtargetInfo &STI, raw_ostream &O); 67 void printSysCROperand(const MCInst *MI, unsigned OpNo, 68 const MCSubtargetInfo &STI, raw_ostream &O); 69 void printAddSubImm(const MCInst *MI, unsigned OpNum, 70 const MCSubtargetInfo &STI, raw_ostream &O); 71 void printLogicalImm32(const MCInst *MI, unsigned OpNum, 72 const MCSubtargetInfo &STI, raw_ostream &O); 73 void printLogicalImm64(const MCInst *MI, unsigned OpNum, 74 const MCSubtargetInfo &STI, raw_ostream &O); 75 void printShifter(const MCInst *MI, unsigned OpNum, 76 const MCSubtargetInfo &STI, raw_ostream &O); 77 void printShiftedRegister(const MCInst *MI, unsigned OpNum, 78 const MCSubtargetInfo &STI, raw_ostream &O); 79 void printExtendedRegister(const MCInst *MI, unsigned OpNum, 80 const MCSubtargetInfo &STI, raw_ostream &O); 81 void printArithExtend(const MCInst *MI, unsigned OpNum, 82 const MCSubtargetInfo &STI, raw_ostream &O); 83 84 void printMemExtend(const MCInst *MI, unsigned OpNum, raw_ostream &O, 85 char SrcRegKind, unsigned Width); 86 template <char SrcRegKind, unsigned Width> printMemExtend(const MCInst * MI,unsigned OpNum,const MCSubtargetInfo & STI,raw_ostream & O)87 void printMemExtend(const MCInst *MI, unsigned OpNum, 88 const MCSubtargetInfo &STI, raw_ostream &O) { 89 printMemExtend(MI, OpNum, O, SrcRegKind, Width); 90 } 91 92 void printCondCode(const MCInst *MI, unsigned OpNum, 93 const MCSubtargetInfo &STI, raw_ostream &O); 94 void printInverseCondCode(const MCInst *MI, unsigned OpNum, 95 const MCSubtargetInfo &STI, raw_ostream &O); 96 void printAlignedLabel(const MCInst *MI, unsigned OpNum, 97 const MCSubtargetInfo &STI, raw_ostream &O); 98 void printUImm12Offset(const MCInst *MI, unsigned OpNum, unsigned Scale, 99 raw_ostream &O); 100 void printAMIndexedWB(const MCInst *MI, unsigned OpNum, unsigned Scale, 101 raw_ostream &O); 102 103 template <int Scale> printUImm12Offset(const MCInst * MI,unsigned OpNum,const MCSubtargetInfo & STI,raw_ostream & O)104 void printUImm12Offset(const MCInst *MI, unsigned OpNum, 105 const MCSubtargetInfo &STI, raw_ostream &O) { 106 printUImm12Offset(MI, OpNum, Scale, O); 107 } 108 109 template <int BitWidth> printAMIndexedWB(const MCInst * MI,unsigned OpNum,const MCSubtargetInfo & STI,raw_ostream & O)110 void printAMIndexedWB(const MCInst *MI, unsigned OpNum, 111 const MCSubtargetInfo &STI, raw_ostream &O) { 112 printAMIndexedWB(MI, OpNum, BitWidth / 8, O); 113 } 114 115 void printAMNoIndex(const MCInst *MI, unsigned OpNum, 116 const MCSubtargetInfo &STI, raw_ostream &O); 117 118 template <int Scale> 119 void printImmScale(const MCInst *MI, unsigned OpNum, 120 const MCSubtargetInfo &STI, raw_ostream &O); 121 122 void printPrefetchOp(const MCInst *MI, unsigned OpNum, 123 const MCSubtargetInfo &STI, raw_ostream &O); 124 125 void printFPImmOperand(const MCInst *MI, unsigned OpNum, 126 const MCSubtargetInfo &STI, raw_ostream &O); 127 128 void printVectorList(const MCInst *MI, unsigned OpNum, 129 const MCSubtargetInfo &STI, raw_ostream &O, 130 StringRef LayoutSuffix); 131 132 /// Print a list of vector registers where the type suffix is implicit 133 /// (i.e. attached to the instruction rather than the registers). 134 void printImplicitlyTypedVectorList(const MCInst *MI, unsigned OpNum, 135 const MCSubtargetInfo &STI, 136 raw_ostream &O); 137 138 template <unsigned NumLanes, char LaneKind> 139 void printTypedVectorList(const MCInst *MI, unsigned OpNum, 140 const MCSubtargetInfo &STI, raw_ostream &O); 141 142 void printVectorIndex(const MCInst *MI, unsigned OpNum, 143 const MCSubtargetInfo &STI, raw_ostream &O); 144 void printAdrpLabel(const MCInst *MI, unsigned OpNum, 145 const MCSubtargetInfo &STI, raw_ostream &O); 146 void printBarrierOption(const MCInst *MI, unsigned OpNum, 147 const MCSubtargetInfo &STI, raw_ostream &O); 148 void printMSRSystemRegister(const MCInst *MI, unsigned OpNum, 149 const MCSubtargetInfo &STI, raw_ostream &O); 150 void printMRSSystemRegister(const MCInst *MI, unsigned OpNum, 151 const MCSubtargetInfo &STI, raw_ostream &O); 152 void printSystemPStateField(const MCInst *MI, unsigned OpNum, 153 const MCSubtargetInfo &STI, raw_ostream &O); 154 void printSIMDType10Operand(const MCInst *MI, unsigned OpNum, 155 const MCSubtargetInfo &STI, raw_ostream &O); 156 }; 157 158 class AArch64AppleInstPrinter : public AArch64InstPrinter { 159 public: 160 AArch64AppleInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII, 161 const MCRegisterInfo &MRI); 162 163 void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot, 164 const MCSubtargetInfo &STI) override; 165 166 void printInstruction(const MCInst *MI, const MCSubtargetInfo &STI, 167 raw_ostream &O) override; 168 bool printAliasInstr(const MCInst *MI, const MCSubtargetInfo &STI, 169 raw_ostream &O) override; 170 void printCustomAliasOperand(const MCInst *MI, unsigned OpIdx, 171 unsigned PrintMethodIdx, 172 const MCSubtargetInfo &STI, 173 raw_ostream &O) override; getRegName(unsigned RegNo)174 StringRef getRegName(unsigned RegNo) const override { 175 return getRegisterName(RegNo); 176 } 177 static const char *getRegisterName(unsigned RegNo, 178 unsigned AltIdx = AArch64::NoRegAltName); 179 }; 180 } 181 182 #endif 183