1 //===-- RISCVInstPrinter.h - Convert RISC-V MCInst to asm syntax --*- C++ -*--//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This class prints a RISC-V MCInst to a .s file.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVINSTPRINTER_H
14 #define LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVINSTPRINTER_H
15 
16 #include "MCTargetDesc/RISCVMCTargetDesc.h"
17 #include "llvm/MC/MCInstPrinter.h"
18 
19 namespace llvm {
20 
21 class RISCVInstPrinter : public MCInstPrinter {
22 public:
23   RISCVInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
24                    const MCRegisterInfo &MRI)
25       : MCInstPrinter(MAI, MII, MRI) {}
26 
27   bool applyTargetSpecificCLOption(StringRef Opt) override;
28 
29   void printInst(const MCInst *MI, uint64_t Address, StringRef Annot,
30                  const MCSubtargetInfo &STI, raw_ostream &O) override;
31   void printRegName(raw_ostream &O, MCRegister Reg) const override;
32 
33   void printOperand(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
34                     raw_ostream &O, const char *Modifier = nullptr);
35   void printBranchOperand(const MCInst *MI, uint64_t Address, unsigned OpNo,
36                           const MCSubtargetInfo &STI, raw_ostream &O);
37   void printCSRSystemRegister(const MCInst *MI, unsigned OpNo,
38                               const MCSubtargetInfo &STI, raw_ostream &O);
39   void printFenceArg(const MCInst *MI, unsigned OpNo,
40                      const MCSubtargetInfo &STI, raw_ostream &O);
41   void printFRMArg(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
42                    raw_ostream &O);
43   void printFPImmOperand(const MCInst *MI, unsigned OpNo,
44                          const MCSubtargetInfo &STI, raw_ostream &O);
45   void printZeroOffsetMemOp(const MCInst *MI, unsigned OpNo,
46                             const MCSubtargetInfo &STI, raw_ostream &O);
47   void printVTypeI(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
48                    raw_ostream &O);
49   void printVMaskReg(const MCInst *MI, unsigned OpNo,
50                      const MCSubtargetInfo &STI, raw_ostream &O);
51   void printRlist(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
52                   raw_ostream &O);
53   void printSpimm(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
54                   raw_ostream &O);
55 
56   // Autogenerated by tblgen.
57   std::pair<const char *, uint64_t> getMnemonic(const MCInst *MI) override;
58   void printInstruction(const MCInst *MI, uint64_t Address,
59                         const MCSubtargetInfo &STI, raw_ostream &O);
60   bool printAliasInstr(const MCInst *MI, uint64_t Address,
61                        const MCSubtargetInfo &STI, raw_ostream &O);
62   void printCustomAliasOperand(const MCInst *MI, uint64_t Address,
63                                unsigned OpIdx, unsigned PrintMethodIdx,
64                                const MCSubtargetInfo &STI, raw_ostream &O);
65   static const char *getRegisterName(MCRegister Reg);
66   static const char *getRegisterName(MCRegister Reg, unsigned AltIdx);
67 };
68 } // namespace llvm
69 
70 #endif
71