1//=== MipsInstPrinter.h - Convert Mips MCInst to assembly 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 Mips MCInst to a .s file.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSINSTPRINTER_H
14#define LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSINSTPRINTER_H
15#include "llvm/MC/MCInstPrinter.h"
16
17namespace llvm {
18// These enumeration declarations were originally in MipsInstrInfo.h but
19// had to be moved here to avoid circular dependencies between
20// LLVMMipsCodeGen and LLVMMipsAsmPrinter.
21namespace Mips {
22// Mips Branch Codes
23enum FPBranchCode {
24 BRANCH_F,
25 BRANCH_T,
26 BRANCH_FL,
27 BRANCH_TL,
28 BRANCH_INVALID
29};
30
31// Mips Condition Codes
32enum CondCode {
33 // To be used with float branch True
34 FCOND_F,
35 FCOND_UN,
36 FCOND_OEQ,
37 FCOND_UEQ,
38 FCOND_OLT,
39 FCOND_ULT,
40 FCOND_OLE,
41 FCOND_ULE,
42 FCOND_SF,
43 FCOND_NGLE,
44 FCOND_SEQ,
45 FCOND_NGL,
46 FCOND_LT,
47 FCOND_NGE,
48 FCOND_LE,
49 FCOND_NGT,
50
51 // To be used with float branch False
52 // This conditions have the same mnemonic as the
53 // above ones, but are used with a branch False;
54 FCOND_T,
55 FCOND_OR,
56 FCOND_UNE,
57 FCOND_ONE,
58 FCOND_UGE,
59 FCOND_OGE,
60 FCOND_UGT,
61 FCOND_OGT,
62 FCOND_ST,
63 FCOND_GLE,
64 FCOND_SNE,
65 FCOND_GL,
66 FCOND_NLT,
67 FCOND_GE,
68 FCOND_NLE,
69 FCOND_GT
70};
71
72const char *MipsFCCToString(Mips::CondCode CC);
73} // end namespace Mips
74
75class MipsInstPrinter : public MCInstPrinter {
76public:
77 MipsInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
78 const MCRegisterInfo &MRI)
79 : MCInstPrinter(MAI, MII, MRI) {}
80
81 // Autogenerated by tblgen.
82 std::pair<const char *, uint64_t> getMnemonic(const MCInst *MI) override;
83 void printInstruction(const MCInst *MI, uint64_t Address,
84 const MCSubtargetInfo &STI, raw_ostream &O);
85 static const char *getRegisterName(MCRegister Reg);
86
87 void printRegName(raw_ostream &OS, MCRegister Reg) const override;
88 void printInst(const MCInst *MI, uint64_t Address, StringRef Annot,
89 const MCSubtargetInfo &STI, raw_ostream &O) override;
90
91 bool printAliasInstr(const MCInst *MI, uint64_t Address,
92 const MCSubtargetInfo &STI, raw_ostream &OS);
93 void printCustomAliasOperand(const MCInst *MI, uint64_t Address,
94 unsigned OpIdx, unsigned PrintMethodIdx,
95 const MCSubtargetInfo &STI, raw_ostream &O);
96
97private:
98 void printOperand(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
99 raw_ostream &O);
100 void printJumpOperand(const MCInst *MI, unsigned OpNo,
101 const MCSubtargetInfo &STI, raw_ostream &O);
102 void printBranchOperand(const MCInst *MI, uint64_t Address, unsigned OpNo,
103 const MCSubtargetInfo &STI, raw_ostream &O);
104 template <unsigned Bits, unsigned Offset = 0>
105 void printUImm(const MCInst *MI, int opNum, const MCSubtargetInfo &STI,
106 raw_ostream &O);
107 void printMemOperand(const MCInst *MI, int opNum, const MCSubtargetInfo &STI,
108 raw_ostream &O);
109 void printMemOperandEA(const MCInst *MI, int opNum,
110 const MCSubtargetInfo &STI, raw_ostream &O);
111 void printFCCOperand(const MCInst *MI, int opNum, const MCSubtargetInfo &STI,
112 raw_ostream &O);
113 void printSHFMask(const MCInst *MI, int opNum, raw_ostream &O);
114
115 bool printAlias(const char *Str, const MCInst &MI, uint64_t Address,
116 unsigned OpNo, const MCSubtargetInfo &STI, raw_ostream &OS,
117 bool IsBranch = false);
118 bool printAlias(const char *Str, const MCInst &MI, uint64_t Address,
119 unsigned OpNo0, unsigned OpNo1, const MCSubtargetInfo &STI,
120 raw_ostream &OS, bool IsBranch = false);
121 bool printAlias(const MCInst &MI, uint64_t Address,
122 const MCSubtargetInfo &STI, raw_ostream &OS);
123 void printSaveRestore(const MCInst *MI, const MCSubtargetInfo &STI,
124 raw_ostream &O);
125 void printRegisterList(const MCInst *MI, int opNum,
126 const MCSubtargetInfo &STI, raw_ostream &O);
127};
128} // end namespace llvm
129
130#endif
131