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      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:
     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   virtual void printRegName(raw_ostream &O, unsigned RegNo) const
     42     LLVM_OVERRIDE;
     43   virtual void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot)
     44     LLVM_OVERRIDE;
     45 
     46 private:
     47   // Print various types of operand.
     48   void printOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     49   void printBDAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     50   void printBDXAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     51   void printBDLAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     52   void printU4ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     53   void printU6ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     54   void printS8ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     55   void printU8ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     56   void printS16ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     57   void printU16ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     58   void printS32ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     59   void printU32ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     60   void printPCRelOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     61   void printCallOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     62   void printAccessRegOperand(const MCInst *MI, int OpNum, raw_ostream &O);
     63 
     64   // Print the mnemonic for a condition-code mask ("ne", "lh", etc.)
     65   // This forms part of the instruction name rather than the operand list.
     66   void printCond4Operand(const MCInst *MI, int OpNum, raw_ostream &O);
     67 };
     68 } // end namespace llvm
     69 
     70 #endif
     71