1 //===-- AArch64InstPrinter.h - Convert AArch64 MCInst to assembly syntax --===//
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 an AArch64 MCInst to a .s file.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64INSTPRINTER_H
14 #define LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64INSTPRINTER_H
15 
16 #include "MCTargetDesc/AArch64MCTargetDesc.h"
17 #include "llvm/ADT/StringRef.h"
18 #include "llvm/MC/MCInstPrinter.h"
19 #include "../Utils/AArch64BaseInfo.h"
20 
21 namespace llvm {
22 
23 class AArch64InstPrinter : public MCInstPrinter {
24 public:
25   AArch64InstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
26                      const MCRegisterInfo &MRI);
27 
28   bool applyTargetSpecificCLOption(StringRef Opt) override;
29 
30   void printInst(const MCInst *MI, uint64_t Address, StringRef Annot,
31                  const MCSubtargetInfo &STI, raw_ostream &O) override;
32   void printRegName(raw_ostream &OS, MCRegister Reg) const override;
33   void printRegName(raw_ostream &OS, MCRegister Reg, unsigned AltIdx) const;
34 
35   // Autogenerated by tblgen.
36   std::pair<const char *, uint64_t> getMnemonic(const MCInst *MI) override;
37   virtual void printInstruction(const MCInst *MI, uint64_t Address,
38                                 const MCSubtargetInfo &STI, raw_ostream &O);
39   virtual bool printAliasInstr(const MCInst *MI, uint64_t Address,
40                                const MCSubtargetInfo &STI, raw_ostream &O);
41   virtual void printCustomAliasOperand(const MCInst *MI, uint64_t Address,
42                                        unsigned OpIdx, unsigned PrintMethodIdx,
43                                        const MCSubtargetInfo &STI,
44                                        raw_ostream &O);
45 
46   virtual StringRef getRegName(MCRegister Reg) const;
47 
48   static const char *getRegisterName(MCRegister Reg,
49                                      unsigned AltIdx = AArch64::NoRegAltName);
50 
51 protected:
52   bool printSysAlias(const MCInst *MI, const MCSubtargetInfo &STI,
53                      raw_ostream &O);
54   bool printSyspAlias(const MCInst *MI, const MCSubtargetInfo &STI,
55                       raw_ostream &O);
56   bool printRangePrefetchAlias(const MCInst *MI, const MCSubtargetInfo &STI,
57                                raw_ostream &O, StringRef Annot);
58   // Operand printers
59   void printOperand(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
60                     raw_ostream &O);
61   void printImm(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
62                 raw_ostream &O);
63   void printImmHex(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
64                    raw_ostream &O);
65   template <int Size>
66   void printSImm(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
67                  raw_ostream &O);
68   template <typename T> void printImmSVE(T Value, raw_ostream &O);
69   void printPostIncOperand(const MCInst *MI, unsigned OpNo, unsigned Imm,
70                            raw_ostream &O);
71   template <int Amount>
72   void printPostIncOperand(const MCInst *MI, unsigned OpNo,
73                            const MCSubtargetInfo &STI, raw_ostream &O) {
74     printPostIncOperand(MI, OpNo, Amount, O);
75   }
76 
77   void printVRegOperand(const MCInst *MI, unsigned OpNo,
78                         const MCSubtargetInfo &STI, raw_ostream &O);
79   void printSysCROperand(const MCInst *MI, unsigned OpNo,
80                          const MCSubtargetInfo &STI, raw_ostream &O);
81   void printAddSubImm(const MCInst *MI, unsigned OpNum,
82                       const MCSubtargetInfo &STI, raw_ostream &O);
83   template <typename T>
84   void printLogicalImm(const MCInst *MI, unsigned OpNum,
85                        const MCSubtargetInfo &STI, raw_ostream &O);
86   void printShifter(const MCInst *MI, unsigned OpNum,
87                     const MCSubtargetInfo &STI, raw_ostream &O);
88   void printShiftedRegister(const MCInst *MI, unsigned OpNum,
89                             const MCSubtargetInfo &STI, raw_ostream &O);
90   void printExtendedRegister(const MCInst *MI, unsigned OpNum,
91                              const MCSubtargetInfo &STI, raw_ostream &O);
92   void printArithExtend(const MCInst *MI, unsigned OpNum,
93                         const MCSubtargetInfo &STI, raw_ostream &O);
94 
95   void printMemExtend(const MCInst *MI, unsigned OpNum, raw_ostream &O,
96                       char SrcRegKind, unsigned Width);
97   template <char SrcRegKind, unsigned Width>
98   void printMemExtend(const MCInst *MI, unsigned OpNum,
99                       const MCSubtargetInfo &STI, raw_ostream &O) {
100     printMemExtend(MI, OpNum, O, SrcRegKind, Width);
101   }
102   template <bool SignedExtend, int ExtWidth, char SrcRegKind, char Suffix>
103   void printRegWithShiftExtend(const MCInst *MI, unsigned OpNum,
104                                const MCSubtargetInfo &STI, raw_ostream &O);
105   void printCondCode(const MCInst *MI, unsigned OpNum,
106                      const MCSubtargetInfo &STI, raw_ostream &O);
107   void printInverseCondCode(const MCInst *MI, unsigned OpNum,
108                             const MCSubtargetInfo &STI, raw_ostream &O);
109   void printAlignedLabel(const MCInst *MI, uint64_t Address, unsigned OpNum,
110                          const MCSubtargetInfo &STI, raw_ostream &O);
111   void printUImm12Offset(const MCInst *MI, unsigned OpNum, unsigned Scale,
112                          raw_ostream &O);
113   void printAMIndexedWB(const MCInst *MI, unsigned OpNum, unsigned Scale,
114                         raw_ostream &O);
115 
116   template <int Scale>
117   void printUImm12Offset(const MCInst *MI, unsigned OpNum,
118                          const MCSubtargetInfo &STI, raw_ostream &O) {
119     printUImm12Offset(MI, OpNum, Scale, O);
120   }
121 
122   template <int BitWidth>
123   void printAMIndexedWB(const MCInst *MI, unsigned OpNum,
124                         const MCSubtargetInfo &STI, raw_ostream &O) {
125     printAMIndexedWB(MI, OpNum, BitWidth / 8, O);
126   }
127 
128   void printAMNoIndex(const MCInst *MI, unsigned OpNum,
129                       const MCSubtargetInfo &STI, raw_ostream &O);
130 
131   template <int Scale>
132   void printImmScale(const MCInst *MI, unsigned OpNum,
133                      const MCSubtargetInfo &STI, raw_ostream &O);
134 
135   template <int Scale, int Offset>
136   void printImmRangeScale(const MCInst *MI, unsigned OpNum,
137                           const MCSubtargetInfo &STI, raw_ostream &O);
138 
139   template <bool IsSVEPrefetch = false>
140   void printPrefetchOp(const MCInst *MI, unsigned OpNum,
141                        const MCSubtargetInfo &STI, raw_ostream &O);
142 
143   void printRPRFMOperand(const MCInst *MI, unsigned OpNum,
144                          const MCSubtargetInfo &STI, raw_ostream &O);
145 
146   void printPSBHintOp(const MCInst *MI, unsigned OpNum,
147                       const MCSubtargetInfo &STI, raw_ostream &O);
148 
149   void printBTIHintOp(const MCInst *MI, unsigned OpNum,
150                       const MCSubtargetInfo &STI, raw_ostream &O);
151 
152   void printFPImmOperand(const MCInst *MI, unsigned OpNum,
153                          const MCSubtargetInfo &STI, raw_ostream &O);
154 
155   void printVectorList(const MCInst *MI, unsigned OpNum,
156                        const MCSubtargetInfo &STI, raw_ostream &O,
157                        StringRef LayoutSuffix);
158 
159   void printMatrixTileList(const MCInst *MI, unsigned OpNum,
160                            const MCSubtargetInfo &STI, raw_ostream &O);
161 
162   /// Print a list of vector registers where the type suffix is implicit
163   /// (i.e. attached to the instruction rather than the registers).
164   void printImplicitlyTypedVectorList(const MCInst *MI, unsigned OpNum,
165                                       const MCSubtargetInfo &STI,
166                                       raw_ostream &O);
167 
168   template <unsigned NumLanes, char LaneKind>
169   void printTypedVectorList(const MCInst *MI, unsigned OpNum,
170                             const MCSubtargetInfo &STI, raw_ostream &O);
171 
172   template <unsigned Scale = 1>
173   void printVectorIndex(const MCInst *MI, unsigned OpNum,
174                         const MCSubtargetInfo &STI, raw_ostream &O);
175   void printMatrixIndex(const MCInst *MI, unsigned OpNum,
176                         const MCSubtargetInfo &STI, raw_ostream &O);
177   void printAdrAdrpLabel(const MCInst *MI, uint64_t Address, unsigned OpNum,
178                          const MCSubtargetInfo &STI, raw_ostream &O);
179   void printBarrierOption(const MCInst *MI, unsigned OpNum,
180                           const MCSubtargetInfo &STI, raw_ostream &O);
181   void printBarriernXSOption(const MCInst *MI, unsigned OpNum,
182                              const MCSubtargetInfo &STI, raw_ostream &O);
183   void printMSRSystemRegister(const MCInst *MI, unsigned OpNum,
184                               const MCSubtargetInfo &STI, raw_ostream &O);
185   void printMRSSystemRegister(const MCInst *MI, unsigned OpNum,
186                               const MCSubtargetInfo &STI, raw_ostream &O);
187   void printSystemPStateField(const MCInst *MI, unsigned OpNum,
188                               const MCSubtargetInfo &STI, raw_ostream &O);
189   void printSIMDType10Operand(const MCInst *MI, unsigned OpNum,
190                               const MCSubtargetInfo &STI, raw_ostream &O);
191   template <int EltSize>
192   void printPredicateAsCounter(const MCInst *MI, unsigned OpNum,
193                                const MCSubtargetInfo &STI, raw_ostream &O);
194 
195   template<int64_t Angle, int64_t Remainder>
196   void printComplexRotationOp(const MCInst *MI, unsigned OpNo,
197                             const MCSubtargetInfo &STI, raw_ostream &O);
198   template<unsigned size>
199   void printGPRSeqPairsClassOperand(const MCInst *MI, unsigned OpNum,
200                                     const MCSubtargetInfo &STI,
201                                     raw_ostream &O);
202   template <typename T>
203   void printImm8OptLsl(const MCInst *MI, unsigned OpNum,
204                        const MCSubtargetInfo &STI, raw_ostream &O);
205   template <typename T>
206   void printSVELogicalImm(const MCInst *MI, unsigned OpNum,
207                           const MCSubtargetInfo &STI, raw_ostream &O);
208   void printSVEPattern(const MCInst *MI, unsigned OpNum,
209                        const MCSubtargetInfo &STI, raw_ostream &O);
210   void printSVEVecLenSpecifier(const MCInst *MI, unsigned OpNum,
211                                const MCSubtargetInfo &STI, raw_ostream &O);
212 
213   template <bool IsVertical>
214   void printMatrixTileVector(const MCInst *MI, unsigned OpNum,
215                              const MCSubtargetInfo &STI, raw_ostream &O);
216   void printMatrixTile(const MCInst *MI, unsigned OpNum,
217                        const MCSubtargetInfo &STI, raw_ostream &O);
218   template <int EltSize>
219   void printMatrix(const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
220                    raw_ostream &O);
221   void printSVCROp(const MCInst *MI, unsigned OpNum, const MCSubtargetInfo &STI,
222                    raw_ostream &O);
223   template <char = 0>
224   void printSVERegOp(const MCInst *MI, unsigned OpNum,
225                     const MCSubtargetInfo &STI, raw_ostream &O);
226   void printGPR64as32(const MCInst *MI, unsigned OpNum,
227                       const MCSubtargetInfo &STI, raw_ostream &O);
228   void printGPR64x8(const MCInst *MI, unsigned OpNum,
229                     const MCSubtargetInfo &STI, raw_ostream &O);
230   void printSyspXzrPair(const MCInst *MI, unsigned OpNum,
231                         const MCSubtargetInfo &STI, raw_ostream &O);
232   template <int Width>
233   void printZPRasFPR(const MCInst *MI, unsigned OpNum,
234                      const MCSubtargetInfo &STI, raw_ostream &O);
235   template <unsigned ImmIs0, unsigned ImmIs1>
236   void printExactFPImm(const MCInst *MI, unsigned OpNum,
237                        const MCSubtargetInfo &STI, raw_ostream &O);
238 };
239 
240 class AArch64AppleInstPrinter : public AArch64InstPrinter {
241 public:
242   AArch64AppleInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
243                           const MCRegisterInfo &MRI);
244 
245   void printInst(const MCInst *MI, uint64_t Address, StringRef Annot,
246                  const MCSubtargetInfo &STI, raw_ostream &O) override;
247 
248   std::pair<const char *, uint64_t> getMnemonic(const MCInst *MI) override;
249   void printInstruction(const MCInst *MI, uint64_t Address,
250                         const MCSubtargetInfo &STI, raw_ostream &O) override;
251   bool printAliasInstr(const MCInst *MI, uint64_t Address,
252                        const MCSubtargetInfo &STI, raw_ostream &O) override;
253   void printCustomAliasOperand(const MCInst *MI, uint64_t Address,
254                                unsigned OpIdx, unsigned PrintMethodIdx,
255                                const MCSubtargetInfo &STI,
256                                raw_ostream &O) override;
257 
258   StringRef getRegName(MCRegister Reg) const override;
259 
260   static const char *getRegisterName(MCRegister Reg,
261                                      unsigned AltIdx = AArch64::NoRegAltName);
262 };
263 
264 } // end namespace llvm
265 
266 #endif // LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64INSTPRINTER_H
267