1 //==- SystemZInstPrinter.h - Convert SystemZ MCInst to assembly --*- C++ -*-==// 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 a SystemZ MCInst to a .s file. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_SYSTEMZINSTPRINTER_H 15 #define LLVM_SYSTEMZINSTPRINTER_H 16 17 #include "llvm/MC/MCInstPrinter.h" 18 #include "llvm/Support/Compiler.h" 19 20 namespace llvm { 21 class MCOperand; 22 23 class SystemZInstPrinter : public MCInstPrinter { 24 public: SystemZInstPrinter(const MCAsmInfo & MAI,const MCInstrInfo & MII,const MCRegisterInfo & MRI)25 SystemZInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII, 26 const MCRegisterInfo &MRI) 27 : MCInstPrinter(MAI, MII, MRI) {} 28 29 // Automatically generated by tblgen. 30 void printInstruction(const MCInst *MI, raw_ostream &O); 31 static const char *getRegisterName(unsigned RegNo); 32 33 // Print an address with the given base, displacement and index. 34 static void printAddress(unsigned Base, int64_t Disp, unsigned Index, 35 raw_ostream &O); 36 37 // Print the given operand. 38 static void printOperand(const MCOperand &MO, raw_ostream &O); 39 40 // Override MCInstPrinter. 41 void printRegName(raw_ostream &O, unsigned RegNo) const override; 42 void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot) override; 43 44 private: 45 // Print various types of operand. 46 void printOperand(const MCInst *MI, int OpNum, raw_ostream &O); 47 void printBDAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O); 48 void printBDXAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O); 49 void printBDLAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O); 50 void printU4ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O); 51 void printU6ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O); 52 void printS8ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O); 53 void printU8ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O); 54 void printS16ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O); 55 void printU16ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O); 56 void printS32ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O); 57 void printU32ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O); 58 void printPCRelOperand(const MCInst *MI, int OpNum, raw_ostream &O); 59 void printAccessRegOperand(const MCInst *MI, int OpNum, raw_ostream &O); 60 61 // Print the mnemonic for a condition-code mask ("ne", "lh", etc.) 62 // This forms part of the instruction name rather than the operand list. 63 void printCond4Operand(const MCInst *MI, int OpNum, raw_ostream &O); 64 }; 65 } // end namespace llvm 66 67 #endif 68