SystemZInstPrinter.h revision c3b20c260ee17a66c6306f81293c75681d8ea0aa 
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
20namespace llvm {
21class MCOperand;
22
23class SystemZInstPrinter : public MCInstPrinter {
24public:
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
46private:
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 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 printCallOperand(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