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