1 //==-- AArch64InstPrinter.cpp - Convert AArch64 MCInst to assembly syntax --==//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This class prints an AArch64 MCInst to a .s file.
12 //===----------------------------------------------------------------------===//
14 #include "AArch64InstPrinter.h"
15 #include "MCTargetDesc/AArch64AddressingModes.h"
16 #include "Utils/AArch64BaseInfo.h"
17 #include "llvm/ADT/STLExtras.h"
18 #include "llvm/ADT/StringExtras.h"
19 #include "llvm/MC/MCExpr.h"
20 #include "llvm/MC/MCInst.h"
21 #include "llvm/MC/MCRegisterInfo.h"
22 #include "llvm/Support/Format.h"
23 #include "llvm/Support/raw_ostream.h"
26 #define DEBUG_TYPE "asm-printer"
28 #define GET_INSTRUCTION_NAME
29 #define PRINT_ALIAS_INSTR
30 #include "AArch64GenAsmWriter.inc"
31 #define GET_INSTRUCTION_NAME
32 #define PRINT_ALIAS_INSTR
33 #include "AArch64GenAsmWriter1.inc"
35 AArch64InstPrinter::AArch64InstPrinter(const MCAsmInfo &MAI,
36 const MCInstrInfo &MII,
37 const MCRegisterInfo &MRI)
38 : MCInstPrinter(MAI, MII, MRI) {}
40 AArch64AppleInstPrinter::AArch64AppleInstPrinter(const MCAsmInfo &MAI,
41 const MCInstrInfo &MII,
42 const MCRegisterInfo &MRI)
43 : AArch64InstPrinter(MAI, MII, MRI) {}
45 void AArch64InstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
46 // This is for .cfi directives.
47 OS << getRegisterName(RegNo);
50 void AArch64InstPrinter::printInst(const MCInst *MI, raw_ostream &O,
52 const MCSubtargetInfo &STI) {
53 // Check for special encodings and print the canonical alias instead.
55 unsigned Opcode = MI->getOpcode();
57 if (Opcode == AArch64::SYSxt)
58 if (printSysAlias(MI, STI, O)) {
59 printAnnotation(O, Annot);
63 // SBFM/UBFM should print to a nicer aliased form if possible.
64 if (Opcode == AArch64::SBFMXri || Opcode == AArch64::SBFMWri ||
65 Opcode == AArch64::UBFMXri || Opcode == AArch64::UBFMWri) {
66 const MCOperand &Op0 = MI->getOperand(0);
67 const MCOperand &Op1 = MI->getOperand(1);
68 const MCOperand &Op2 = MI->getOperand(2);
69 const MCOperand &Op3 = MI->getOperand(3);
71 bool IsSigned = (Opcode == AArch64::SBFMXri || Opcode == AArch64::SBFMWri);
72 bool Is64Bit = (Opcode == AArch64::SBFMXri || Opcode == AArch64::UBFMXri);
73 if (Op2.isImm() && Op2.getImm() == 0 && Op3.isImm()) {
74 const char *AsmMnemonic = nullptr;
76 switch (Op3.getImm()) {
92 // *xtw is only valid for signed 64-bit operations.
93 if (Is64Bit && IsSigned)
99 O << '\t' << AsmMnemonic << '\t' << getRegisterName(Op0.getReg())
100 << ", " << getRegisterName(getWRegFromXReg(Op1.getReg()));
101 printAnnotation(O, Annot);
106 // All immediate shifts are aliases, implemented using the Bitfield
107 // instruction. In all cases the immediate shift amount shift must be in
108 // the range 0 to (reg.size -1).
109 if (Op2.isImm() && Op3.isImm()) {
110 const char *AsmMnemonic = nullptr;
112 int64_t immr = Op2.getImm();
113 int64_t imms = Op3.getImm();
114 if (Opcode == AArch64::UBFMWri && imms != 0x1F && ((imms + 1) == immr)) {
117 } else if (Opcode == AArch64::UBFMXri && imms != 0x3f &&
118 ((imms + 1 == immr))) {
121 } else if (Opcode == AArch64::UBFMWri && imms == 0x1f) {
124 } else if (Opcode == AArch64::UBFMXri && imms == 0x3f) {
127 } else if (Opcode == AArch64::SBFMWri && imms == 0x1f) {
130 } else if (Opcode == AArch64::SBFMXri && imms == 0x3f) {
135 O << '\t' << AsmMnemonic << '\t' << getRegisterName(Op0.getReg())
136 << ", " << getRegisterName(Op1.getReg()) << ", #" << shift;
137 printAnnotation(O, Annot);
142 // SBFIZ/UBFIZ aliases
143 if (Op2.getImm() > Op3.getImm()) {
144 O << '\t' << (IsSigned ? "sbfiz" : "ubfiz") << '\t'
145 << getRegisterName(Op0.getReg()) << ", " << getRegisterName(Op1.getReg())
146 << ", #" << (Is64Bit ? 64 : 32) - Op2.getImm() << ", #" << Op3.getImm() + 1;
147 printAnnotation(O, Annot);
151 // Otherwise SBFX/UBFX is the preferred form
152 O << '\t' << (IsSigned ? "sbfx" : "ubfx") << '\t'
153 << getRegisterName(Op0.getReg()) << ", " << getRegisterName(Op1.getReg())
154 << ", #" << Op2.getImm() << ", #" << Op3.getImm() - Op2.getImm() + 1;
155 printAnnotation(O, Annot);
159 if (Opcode == AArch64::BFMXri || Opcode == AArch64::BFMWri) {
160 const MCOperand &Op0 = MI->getOperand(0); // Op1 == Op0
161 const MCOperand &Op2 = MI->getOperand(2);
162 int ImmR = MI->getOperand(3).getImm();
163 int ImmS = MI->getOperand(4).getImm();
165 if ((Op2.getReg() == AArch64::WZR || Op2.getReg() == AArch64::XZR) &&
166 (ImmR == 0 || ImmS < ImmR)) {
167 // BFC takes precedence over its entire range, sligtly differently to BFI.
168 int BitWidth = Opcode == AArch64::BFMXri ? 64 : 32;
169 int LSB = (BitWidth - ImmR) % BitWidth;
170 int Width = ImmS + 1;
172 O << "\tbfc\t" << getRegisterName(Op0.getReg())
173 << ", #" << LSB << ", #" << Width;
174 printAnnotation(O, Annot);
176 } else if (ImmS < ImmR) {
178 int BitWidth = Opcode == AArch64::BFMXri ? 64 : 32;
179 int LSB = (BitWidth - ImmR) % BitWidth;
180 int Width = ImmS + 1;
182 O << "\tbfi\t" << getRegisterName(Op0.getReg()) << ", "
183 << getRegisterName(Op2.getReg()) << ", #" << LSB << ", #" << Width;
184 printAnnotation(O, Annot);
189 int Width = ImmS - ImmR + 1;
190 // Otherwise BFXIL the preferred form
192 << getRegisterName(Op0.getReg()) << ", " << getRegisterName(Op2.getReg())
193 << ", #" << LSB << ", #" << Width;
194 printAnnotation(O, Annot);
198 // Symbolic operands for MOVZ, MOVN and MOVK already imply a shift
199 // (e.g. :gottprel_g1: is always going to be "lsl #16") so it should not be
201 if ((Opcode == AArch64::MOVZXi || Opcode == AArch64::MOVZWi ||
202 Opcode == AArch64::MOVNXi || Opcode == AArch64::MOVNWi) &&
203 MI->getOperand(1).isExpr()) {
204 if (Opcode == AArch64::MOVZXi || Opcode == AArch64::MOVZWi)
209 O << getRegisterName(MI->getOperand(0).getReg()) << ", #";
210 MI->getOperand(1).getExpr()->print(O, &MAI);
214 if ((Opcode == AArch64::MOVKXi || Opcode == AArch64::MOVKWi) &&
215 MI->getOperand(2).isExpr()) {
216 O << "\tmovk\t" << getRegisterName(MI->getOperand(0).getReg()) << ", #";
217 MI->getOperand(2).getExpr()->print(O, &MAI);
221 if (!printAliasInstr(MI, STI, O))
222 printInstruction(MI, STI, O);
224 printAnnotation(O, Annot);
227 static bool isTblTbxInstruction(unsigned Opcode, StringRef &Layout,
230 case AArch64::TBXv8i8One:
231 case AArch64::TBXv8i8Two:
232 case AArch64::TBXv8i8Three:
233 case AArch64::TBXv8i8Four:
237 case AArch64::TBLv8i8One:
238 case AArch64::TBLv8i8Two:
239 case AArch64::TBLv8i8Three:
240 case AArch64::TBLv8i8Four:
244 case AArch64::TBXv16i8One:
245 case AArch64::TBXv16i8Two:
246 case AArch64::TBXv16i8Three:
247 case AArch64::TBXv16i8Four:
251 case AArch64::TBLv16i8One:
252 case AArch64::TBLv16i8Two:
253 case AArch64::TBLv16i8Three:
254 case AArch64::TBLv16i8Four:
263 struct LdStNInstrDesc {
265 const char *Mnemonic;
272 static const LdStNInstrDesc LdStNInstInfo[] = {
273 { AArch64::LD1i8, "ld1", ".b", 1, true, 0 },
274 { AArch64::LD1i16, "ld1", ".h", 1, true, 0 },
275 { AArch64::LD1i32, "ld1", ".s", 1, true, 0 },
276 { AArch64::LD1i64, "ld1", ".d", 1, true, 0 },
277 { AArch64::LD1i8_POST, "ld1", ".b", 2, true, 1 },
278 { AArch64::LD1i16_POST, "ld1", ".h", 2, true, 2 },
279 { AArch64::LD1i32_POST, "ld1", ".s", 2, true, 4 },
280 { AArch64::LD1i64_POST, "ld1", ".d", 2, true, 8 },
281 { AArch64::LD1Rv16b, "ld1r", ".16b", 0, false, 0 },
282 { AArch64::LD1Rv8h, "ld1r", ".8h", 0, false, 0 },
283 { AArch64::LD1Rv4s, "ld1r", ".4s", 0, false, 0 },
284 { AArch64::LD1Rv2d, "ld1r", ".2d", 0, false, 0 },
285 { AArch64::LD1Rv8b, "ld1r", ".8b", 0, false, 0 },
286 { AArch64::LD1Rv4h, "ld1r", ".4h", 0, false, 0 },
287 { AArch64::LD1Rv2s, "ld1r", ".2s", 0, false, 0 },
288 { AArch64::LD1Rv1d, "ld1r", ".1d", 0, false, 0 },
289 { AArch64::LD1Rv16b_POST, "ld1r", ".16b", 1, false, 1 },
290 { AArch64::LD1Rv8h_POST, "ld1r", ".8h", 1, false, 2 },
291 { AArch64::LD1Rv4s_POST, "ld1r", ".4s", 1, false, 4 },
292 { AArch64::LD1Rv2d_POST, "ld1r", ".2d", 1, false, 8 },
293 { AArch64::LD1Rv8b_POST, "ld1r", ".8b", 1, false, 1 },
294 { AArch64::LD1Rv4h_POST, "ld1r", ".4h", 1, false, 2 },
295 { AArch64::LD1Rv2s_POST, "ld1r", ".2s", 1, false, 4 },
296 { AArch64::LD1Rv1d_POST, "ld1r", ".1d", 1, false, 8 },
297 { AArch64::LD1Onev16b, "ld1", ".16b", 0, false, 0 },
298 { AArch64::LD1Onev8h, "ld1", ".8h", 0, false, 0 },
299 { AArch64::LD1Onev4s, "ld1", ".4s", 0, false, 0 },
300 { AArch64::LD1Onev2d, "ld1", ".2d", 0, false, 0 },
301 { AArch64::LD1Onev8b, "ld1", ".8b", 0, false, 0 },
302 { AArch64::LD1Onev4h, "ld1", ".4h", 0, false, 0 },
303 { AArch64::LD1Onev2s, "ld1", ".2s", 0, false, 0 },
304 { AArch64::LD1Onev1d, "ld1", ".1d", 0, false, 0 },
305 { AArch64::LD1Onev16b_POST, "ld1", ".16b", 1, false, 16 },
306 { AArch64::LD1Onev8h_POST, "ld1", ".8h", 1, false, 16 },
307 { AArch64::LD1Onev4s_POST, "ld1", ".4s", 1, false, 16 },
308 { AArch64::LD1Onev2d_POST, "ld1", ".2d", 1, false, 16 },
309 { AArch64::LD1Onev8b_POST, "ld1", ".8b", 1, false, 8 },
310 { AArch64::LD1Onev4h_POST, "ld1", ".4h", 1, false, 8 },
311 { AArch64::LD1Onev2s_POST, "ld1", ".2s", 1, false, 8 },
312 { AArch64::LD1Onev1d_POST, "ld1", ".1d", 1, false, 8 },
313 { AArch64::LD1Twov16b, "ld1", ".16b", 0, false, 0 },
314 { AArch64::LD1Twov8h, "ld1", ".8h", 0, false, 0 },
315 { AArch64::LD1Twov4s, "ld1", ".4s", 0, false, 0 },
316 { AArch64::LD1Twov2d, "ld1", ".2d", 0, false, 0 },
317 { AArch64::LD1Twov8b, "ld1", ".8b", 0, false, 0 },
318 { AArch64::LD1Twov4h, "ld1", ".4h", 0, false, 0 },
319 { AArch64::LD1Twov2s, "ld1", ".2s", 0, false, 0 },
320 { AArch64::LD1Twov1d, "ld1", ".1d", 0, false, 0 },
321 { AArch64::LD1Twov16b_POST, "ld1", ".16b", 1, false, 32 },
322 { AArch64::LD1Twov8h_POST, "ld1", ".8h", 1, false, 32 },
323 { AArch64::LD1Twov4s_POST, "ld1", ".4s", 1, false, 32 },
324 { AArch64::LD1Twov2d_POST, "ld1", ".2d", 1, false, 32 },
325 { AArch64::LD1Twov8b_POST, "ld1", ".8b", 1, false, 16 },
326 { AArch64::LD1Twov4h_POST, "ld1", ".4h", 1, false, 16 },
327 { AArch64::LD1Twov2s_POST, "ld1", ".2s", 1, false, 16 },
328 { AArch64::LD1Twov1d_POST, "ld1", ".1d", 1, false, 16 },
329 { AArch64::LD1Threev16b, "ld1", ".16b", 0, false, 0 },
330 { AArch64::LD1Threev8h, "ld1", ".8h", 0, false, 0 },
331 { AArch64::LD1Threev4s, "ld1", ".4s", 0, false, 0 },
332 { AArch64::LD1Threev2d, "ld1", ".2d", 0, false, 0 },
333 { AArch64::LD1Threev8b, "ld1", ".8b", 0, false, 0 },
334 { AArch64::LD1Threev4h, "ld1", ".4h", 0, false, 0 },
335 { AArch64::LD1Threev2s, "ld1", ".2s", 0, false, 0 },
336 { AArch64::LD1Threev1d, "ld1", ".1d", 0, false, 0 },
337 { AArch64::LD1Threev16b_POST, "ld1", ".16b", 1, false, 48 },
338 { AArch64::LD1Threev8h_POST, "ld1", ".8h", 1, false, 48 },
339 { AArch64::LD1Threev4s_POST, "ld1", ".4s", 1, false, 48 },
340 { AArch64::LD1Threev2d_POST, "ld1", ".2d", 1, false, 48 },
341 { AArch64::LD1Threev8b_POST, "ld1", ".8b", 1, false, 24 },
342 { AArch64::LD1Threev4h_POST, "ld1", ".4h", 1, false, 24 },
343 { AArch64::LD1Threev2s_POST, "ld1", ".2s", 1, false, 24 },
344 { AArch64::LD1Threev1d_POST, "ld1", ".1d", 1, false, 24 },
345 { AArch64::LD1Fourv16b, "ld1", ".16b", 0, false, 0 },
346 { AArch64::LD1Fourv8h, "ld1", ".8h", 0, false, 0 },
347 { AArch64::LD1Fourv4s, "ld1", ".4s", 0, false, 0 },
348 { AArch64::LD1Fourv2d, "ld1", ".2d", 0, false, 0 },
349 { AArch64::LD1Fourv8b, "ld1", ".8b", 0, false, 0 },
350 { AArch64::LD1Fourv4h, "ld1", ".4h", 0, false, 0 },
351 { AArch64::LD1Fourv2s, "ld1", ".2s", 0, false, 0 },
352 { AArch64::LD1Fourv1d, "ld1", ".1d", 0, false, 0 },
353 { AArch64::LD1Fourv16b_POST, "ld1", ".16b", 1, false, 64 },
354 { AArch64::LD1Fourv8h_POST, "ld1", ".8h", 1, false, 64 },
355 { AArch64::LD1Fourv4s_POST, "ld1", ".4s", 1, false, 64 },
356 { AArch64::LD1Fourv2d_POST, "ld1", ".2d", 1, false, 64 },
357 { AArch64::LD1Fourv8b_POST, "ld1", ".8b", 1, false, 32 },
358 { AArch64::LD1Fourv4h_POST, "ld1", ".4h", 1, false, 32 },
359 { AArch64::LD1Fourv2s_POST, "ld1", ".2s", 1, false, 32 },
360 { AArch64::LD1Fourv1d_POST, "ld1", ".1d", 1, false, 32 },
361 { AArch64::LD2i8, "ld2", ".b", 1, true, 0 },
362 { AArch64::LD2i16, "ld2", ".h", 1, true, 0 },
363 { AArch64::LD2i32, "ld2", ".s", 1, true, 0 },
364 { AArch64::LD2i64, "ld2", ".d", 1, true, 0 },
365 { AArch64::LD2i8_POST, "ld2", ".b", 2, true, 2 },
366 { AArch64::LD2i16_POST, "ld2", ".h", 2, true, 4 },
367 { AArch64::LD2i32_POST, "ld2", ".s", 2, true, 8 },
368 { AArch64::LD2i64_POST, "ld2", ".d", 2, true, 16 },
369 { AArch64::LD2Rv16b, "ld2r", ".16b", 0, false, 0 },
370 { AArch64::LD2Rv8h, "ld2r", ".8h", 0, false, 0 },
371 { AArch64::LD2Rv4s, "ld2r", ".4s", 0, false, 0 },
372 { AArch64::LD2Rv2d, "ld2r", ".2d", 0, false, 0 },
373 { AArch64::LD2Rv8b, "ld2r", ".8b", 0, false, 0 },
374 { AArch64::LD2Rv4h, "ld2r", ".4h", 0, false, 0 },
375 { AArch64::LD2Rv2s, "ld2r", ".2s", 0, false, 0 },
376 { AArch64::LD2Rv1d, "ld2r", ".1d", 0, false, 0 },
377 { AArch64::LD2Rv16b_POST, "ld2r", ".16b", 1, false, 2 },
378 { AArch64::LD2Rv8h_POST, "ld2r", ".8h", 1, false, 4 },
379 { AArch64::LD2Rv4s_POST, "ld2r", ".4s", 1, false, 8 },
380 { AArch64::LD2Rv2d_POST, "ld2r", ".2d", 1, false, 16 },
381 { AArch64::LD2Rv8b_POST, "ld2r", ".8b", 1, false, 2 },
382 { AArch64::LD2Rv4h_POST, "ld2r", ".4h", 1, false, 4 },
383 { AArch64::LD2Rv2s_POST, "ld2r", ".2s", 1, false, 8 },
384 { AArch64::LD2Rv1d_POST, "ld2r", ".1d", 1, false, 16 },
385 { AArch64::LD2Twov16b, "ld2", ".16b", 0, false, 0 },
386 { AArch64::LD2Twov8h, "ld2", ".8h", 0, false, 0 },
387 { AArch64::LD2Twov4s, "ld2", ".4s", 0, false, 0 },
388 { AArch64::LD2Twov2d, "ld2", ".2d", 0, false, 0 },
389 { AArch64::LD2Twov8b, "ld2", ".8b", 0, false, 0 },
390 { AArch64::LD2Twov4h, "ld2", ".4h", 0, false, 0 },
391 { AArch64::LD2Twov2s, "ld2", ".2s", 0, false, 0 },
392 { AArch64::LD2Twov16b_POST, "ld2", ".16b", 1, false, 32 },
393 { AArch64::LD2Twov8h_POST, "ld2", ".8h", 1, false, 32 },
394 { AArch64::LD2Twov4s_POST, "ld2", ".4s", 1, false, 32 },
395 { AArch64::LD2Twov2d_POST, "ld2", ".2d", 1, false, 32 },
396 { AArch64::LD2Twov8b_POST, "ld2", ".8b", 1, false, 16 },
397 { AArch64::LD2Twov4h_POST, "ld2", ".4h", 1, false, 16 },
398 { AArch64::LD2Twov2s_POST, "ld2", ".2s", 1, false, 16 },
399 { AArch64::LD3i8, "ld3", ".b", 1, true, 0 },
400 { AArch64::LD3i16, "ld3", ".h", 1, true, 0 },
401 { AArch64::LD3i32, "ld3", ".s", 1, true, 0 },
402 { AArch64::LD3i64, "ld3", ".d", 1, true, 0 },
403 { AArch64::LD3i8_POST, "ld3", ".b", 2, true, 3 },
404 { AArch64::LD3i16_POST, "ld3", ".h", 2, true, 6 },
405 { AArch64::LD3i32_POST, "ld3", ".s", 2, true, 12 },
406 { AArch64::LD3i64_POST, "ld3", ".d", 2, true, 24 },
407 { AArch64::LD3Rv16b, "ld3r", ".16b", 0, false, 0 },
408 { AArch64::LD3Rv8h, "ld3r", ".8h", 0, false, 0 },
409 { AArch64::LD3Rv4s, "ld3r", ".4s", 0, false, 0 },
410 { AArch64::LD3Rv2d, "ld3r", ".2d", 0, false, 0 },
411 { AArch64::LD3Rv8b, "ld3r", ".8b", 0, false, 0 },
412 { AArch64::LD3Rv4h, "ld3r", ".4h", 0, false, 0 },
413 { AArch64::LD3Rv2s, "ld3r", ".2s", 0, false, 0 },
414 { AArch64::LD3Rv1d, "ld3r", ".1d", 0, false, 0 },
415 { AArch64::LD3Rv16b_POST, "ld3r", ".16b", 1, false, 3 },
416 { AArch64::LD3Rv8h_POST, "ld3r", ".8h", 1, false, 6 },
417 { AArch64::LD3Rv4s_POST, "ld3r", ".4s", 1, false, 12 },
418 { AArch64::LD3Rv2d_POST, "ld3r", ".2d", 1, false, 24 },
419 { AArch64::LD3Rv8b_POST, "ld3r", ".8b", 1, false, 3 },
420 { AArch64::LD3Rv4h_POST, "ld3r", ".4h", 1, false, 6 },
421 { AArch64::LD3Rv2s_POST, "ld3r", ".2s", 1, false, 12 },
422 { AArch64::LD3Rv1d_POST, "ld3r", ".1d", 1, false, 24 },
423 { AArch64::LD3Threev16b, "ld3", ".16b", 0, false, 0 },
424 { AArch64::LD3Threev8h, "ld3", ".8h", 0, false, 0 },
425 { AArch64::LD3Threev4s, "ld3", ".4s", 0, false, 0 },
426 { AArch64::LD3Threev2d, "ld3", ".2d", 0, false, 0 },
427 { AArch64::LD3Threev8b, "ld3", ".8b", 0, false, 0 },
428 { AArch64::LD3Threev4h, "ld3", ".4h", 0, false, 0 },
429 { AArch64::LD3Threev2s, "ld3", ".2s", 0, false, 0 },
430 { AArch64::LD3Threev16b_POST, "ld3", ".16b", 1, false, 48 },
431 { AArch64::LD3Threev8h_POST, "ld3", ".8h", 1, false, 48 },
432 { AArch64::LD3Threev4s_POST, "ld3", ".4s", 1, false, 48 },
433 { AArch64::LD3Threev2d_POST, "ld3", ".2d", 1, false, 48 },
434 { AArch64::LD3Threev8b_POST, "ld3", ".8b", 1, false, 24 },
435 { AArch64::LD3Threev4h_POST, "ld3", ".4h", 1, false, 24 },
436 { AArch64::LD3Threev2s_POST, "ld3", ".2s", 1, false, 24 },
437 { AArch64::LD4i8, "ld4", ".b", 1, true, 0 },
438 { AArch64::LD4i16, "ld4", ".h", 1, true, 0 },
439 { AArch64::LD4i32, "ld4", ".s", 1, true, 0 },
440 { AArch64::LD4i64, "ld4", ".d", 1, true, 0 },
441 { AArch64::LD4i8_POST, "ld4", ".b", 2, true, 4 },
442 { AArch64::LD4i16_POST, "ld4", ".h", 2, true, 8 },
443 { AArch64::LD4i32_POST, "ld4", ".s", 2, true, 16 },
444 { AArch64::LD4i64_POST, "ld4", ".d", 2, true, 32 },
445 { AArch64::LD4Rv16b, "ld4r", ".16b", 0, false, 0 },
446 { AArch64::LD4Rv8h, "ld4r", ".8h", 0, false, 0 },
447 { AArch64::LD4Rv4s, "ld4r", ".4s", 0, false, 0 },
448 { AArch64::LD4Rv2d, "ld4r", ".2d", 0, false, 0 },
449 { AArch64::LD4Rv8b, "ld4r", ".8b", 0, false, 0 },
450 { AArch64::LD4Rv4h, "ld4r", ".4h", 0, false, 0 },
451 { AArch64::LD4Rv2s, "ld4r", ".2s", 0, false, 0 },
452 { AArch64::LD4Rv1d, "ld4r", ".1d", 0, false, 0 },
453 { AArch64::LD4Rv16b_POST, "ld4r", ".16b", 1, false, 4 },
454 { AArch64::LD4Rv8h_POST, "ld4r", ".8h", 1, false, 8 },
455 { AArch64::LD4Rv4s_POST, "ld4r", ".4s", 1, false, 16 },
456 { AArch64::LD4Rv2d_POST, "ld4r", ".2d", 1, false, 32 },
457 { AArch64::LD4Rv8b_POST, "ld4r", ".8b", 1, false, 4 },
458 { AArch64::LD4Rv4h_POST, "ld4r", ".4h", 1, false, 8 },
459 { AArch64::LD4Rv2s_POST, "ld4r", ".2s", 1, false, 16 },
460 { AArch64::LD4Rv1d_POST, "ld4r", ".1d", 1, false, 32 },
461 { AArch64::LD4Fourv16b, "ld4", ".16b", 0, false, 0 },
462 { AArch64::LD4Fourv8h, "ld4", ".8h", 0, false, 0 },
463 { AArch64::LD4Fourv4s, "ld4", ".4s", 0, false, 0 },
464 { AArch64::LD4Fourv2d, "ld4", ".2d", 0, false, 0 },
465 { AArch64::LD4Fourv8b, "ld4", ".8b", 0, false, 0 },
466 { AArch64::LD4Fourv4h, "ld4", ".4h", 0, false, 0 },
467 { AArch64::LD4Fourv2s, "ld4", ".2s", 0, false, 0 },
468 { AArch64::LD4Fourv16b_POST, "ld4", ".16b", 1, false, 64 },
469 { AArch64::LD4Fourv8h_POST, "ld4", ".8h", 1, false, 64 },
470 { AArch64::LD4Fourv4s_POST, "ld4", ".4s", 1, false, 64 },
471 { AArch64::LD4Fourv2d_POST, "ld4", ".2d", 1, false, 64 },
472 { AArch64::LD4Fourv8b_POST, "ld4", ".8b", 1, false, 32 },
473 { AArch64::LD4Fourv4h_POST, "ld4", ".4h", 1, false, 32 },
474 { AArch64::LD4Fourv2s_POST, "ld4", ".2s", 1, false, 32 },
475 { AArch64::ST1i8, "st1", ".b", 0, true, 0 },
476 { AArch64::ST1i16, "st1", ".h", 0, true, 0 },
477 { AArch64::ST1i32, "st1", ".s", 0, true, 0 },
478 { AArch64::ST1i64, "st1", ".d", 0, true, 0 },
479 { AArch64::ST1i8_POST, "st1", ".b", 1, true, 1 },
480 { AArch64::ST1i16_POST, "st1", ".h", 1, true, 2 },
481 { AArch64::ST1i32_POST, "st1", ".s", 1, true, 4 },
482 { AArch64::ST1i64_POST, "st1", ".d", 1, true, 8 },
483 { AArch64::ST1Onev16b, "st1", ".16b", 0, false, 0 },
484 { AArch64::ST1Onev8h, "st1", ".8h", 0, false, 0 },
485 { AArch64::ST1Onev4s, "st1", ".4s", 0, false, 0 },
486 { AArch64::ST1Onev2d, "st1", ".2d", 0, false, 0 },
487 { AArch64::ST1Onev8b, "st1", ".8b", 0, false, 0 },
488 { AArch64::ST1Onev4h, "st1", ".4h", 0, false, 0 },
489 { AArch64::ST1Onev2s, "st1", ".2s", 0, false, 0 },
490 { AArch64::ST1Onev1d, "st1", ".1d", 0, false, 0 },
491 { AArch64::ST1Onev16b_POST, "st1", ".16b", 1, false, 16 },
492 { AArch64::ST1Onev8h_POST, "st1", ".8h", 1, false, 16 },
493 { AArch64::ST1Onev4s_POST, "st1", ".4s", 1, false, 16 },
494 { AArch64::ST1Onev2d_POST, "st1", ".2d", 1, false, 16 },
495 { AArch64::ST1Onev8b_POST, "st1", ".8b", 1, false, 8 },
496 { AArch64::ST1Onev4h_POST, "st1", ".4h", 1, false, 8 },
497 { AArch64::ST1Onev2s_POST, "st1", ".2s", 1, false, 8 },
498 { AArch64::ST1Onev1d_POST, "st1", ".1d", 1, false, 8 },
499 { AArch64::ST1Twov16b, "st1", ".16b", 0, false, 0 },
500 { AArch64::ST1Twov8h, "st1", ".8h", 0, false, 0 },
501 { AArch64::ST1Twov4s, "st1", ".4s", 0, false, 0 },
502 { AArch64::ST1Twov2d, "st1", ".2d", 0, false, 0 },
503 { AArch64::ST1Twov8b, "st1", ".8b", 0, false, 0 },
504 { AArch64::ST1Twov4h, "st1", ".4h", 0, false, 0 },
505 { AArch64::ST1Twov2s, "st1", ".2s", 0, false, 0 },
506 { AArch64::ST1Twov1d, "st1", ".1d", 0, false, 0 },
507 { AArch64::ST1Twov16b_POST, "st1", ".16b", 1, false, 32 },
508 { AArch64::ST1Twov8h_POST, "st1", ".8h", 1, false, 32 },
509 { AArch64::ST1Twov4s_POST, "st1", ".4s", 1, false, 32 },
510 { AArch64::ST1Twov2d_POST, "st1", ".2d", 1, false, 32 },
511 { AArch64::ST1Twov8b_POST, "st1", ".8b", 1, false, 16 },
512 { AArch64::ST1Twov4h_POST, "st1", ".4h", 1, false, 16 },
513 { AArch64::ST1Twov2s_POST, "st1", ".2s", 1, false, 16 },
514 { AArch64::ST1Twov1d_POST, "st1", ".1d", 1, false, 16 },
515 { AArch64::ST1Threev16b, "st1", ".16b", 0, false, 0 },
516 { AArch64::ST1Threev8h, "st1", ".8h", 0, false, 0 },
517 { AArch64::ST1Threev4s, "st1", ".4s", 0, false, 0 },
518 { AArch64::ST1Threev2d, "st1", ".2d", 0, false, 0 },
519 { AArch64::ST1Threev8b, "st1", ".8b", 0, false, 0 },
520 { AArch64::ST1Threev4h, "st1", ".4h", 0, false, 0 },
521 { AArch64::ST1Threev2s, "st1", ".2s", 0, false, 0 },
522 { AArch64::ST1Threev1d, "st1", ".1d", 0, false, 0 },
523 { AArch64::ST1Threev16b_POST, "st1", ".16b", 1, false, 48 },
524 { AArch64::ST1Threev8h_POST, "st1", ".8h", 1, false, 48 },
525 { AArch64::ST1Threev4s_POST, "st1", ".4s", 1, false, 48 },
526 { AArch64::ST1Threev2d_POST, "st1", ".2d", 1, false, 48 },
527 { AArch64::ST1Threev8b_POST, "st1", ".8b", 1, false, 24 },
528 { AArch64::ST1Threev4h_POST, "st1", ".4h", 1, false, 24 },
529 { AArch64::ST1Threev2s_POST, "st1", ".2s", 1, false, 24 },
530 { AArch64::ST1Threev1d_POST, "st1", ".1d", 1, false, 24 },
531 { AArch64::ST1Fourv16b, "st1", ".16b", 0, false, 0 },
532 { AArch64::ST1Fourv8h, "st1", ".8h", 0, false, 0 },
533 { AArch64::ST1Fourv4s, "st1", ".4s", 0, false, 0 },
534 { AArch64::ST1Fourv2d, "st1", ".2d", 0, false, 0 },
535 { AArch64::ST1Fourv8b, "st1", ".8b", 0, false, 0 },
536 { AArch64::ST1Fourv4h, "st1", ".4h", 0, false, 0 },
537 { AArch64::ST1Fourv2s, "st1", ".2s", 0, false, 0 },
538 { AArch64::ST1Fourv1d, "st1", ".1d", 0, false, 0 },
539 { AArch64::ST1Fourv16b_POST, "st1", ".16b", 1, false, 64 },
540 { AArch64::ST1Fourv8h_POST, "st1", ".8h", 1, false, 64 },
541 { AArch64::ST1Fourv4s_POST, "st1", ".4s", 1, false, 64 },
542 { AArch64::ST1Fourv2d_POST, "st1", ".2d", 1, false, 64 },
543 { AArch64::ST1Fourv8b_POST, "st1", ".8b", 1, false, 32 },
544 { AArch64::ST1Fourv4h_POST, "st1", ".4h", 1, false, 32 },
545 { AArch64::ST1Fourv2s_POST, "st1", ".2s", 1, false, 32 },
546 { AArch64::ST1Fourv1d_POST, "st1", ".1d", 1, false, 32 },
547 { AArch64::ST2i8, "st2", ".b", 0, true, 0 },
548 { AArch64::ST2i16, "st2", ".h", 0, true, 0 },
549 { AArch64::ST2i32, "st2", ".s", 0, true, 0 },
550 { AArch64::ST2i64, "st2", ".d", 0, true, 0 },
551 { AArch64::ST2i8_POST, "st2", ".b", 1, true, 2 },
552 { AArch64::ST2i16_POST, "st2", ".h", 1, true, 4 },
553 { AArch64::ST2i32_POST, "st2", ".s", 1, true, 8 },
554 { AArch64::ST2i64_POST, "st2", ".d", 1, true, 16 },
555 { AArch64::ST2Twov16b, "st2", ".16b", 0, false, 0 },
556 { AArch64::ST2Twov8h, "st2", ".8h", 0, false, 0 },
557 { AArch64::ST2Twov4s, "st2", ".4s", 0, false, 0 },
558 { AArch64::ST2Twov2d, "st2", ".2d", 0, false, 0 },
559 { AArch64::ST2Twov8b, "st2", ".8b", 0, false, 0 },
560 { AArch64::ST2Twov4h, "st2", ".4h", 0, false, 0 },
561 { AArch64::ST2Twov2s, "st2", ".2s", 0, false, 0 },
562 { AArch64::ST2Twov16b_POST, "st2", ".16b", 1, false, 32 },
563 { AArch64::ST2Twov8h_POST, "st2", ".8h", 1, false, 32 },
564 { AArch64::ST2Twov4s_POST, "st2", ".4s", 1, false, 32 },
565 { AArch64::ST2Twov2d_POST, "st2", ".2d", 1, false, 32 },
566 { AArch64::ST2Twov8b_POST, "st2", ".8b", 1, false, 16 },
567 { AArch64::ST2Twov4h_POST, "st2", ".4h", 1, false, 16 },
568 { AArch64::ST2Twov2s_POST, "st2", ".2s", 1, false, 16 },
569 { AArch64::ST3i8, "st3", ".b", 0, true, 0 },
570 { AArch64::ST3i16, "st3", ".h", 0, true, 0 },
571 { AArch64::ST3i32, "st3", ".s", 0, true, 0 },
572 { AArch64::ST3i64, "st3", ".d", 0, true, 0 },
573 { AArch64::ST3i8_POST, "st3", ".b", 1, true, 3 },
574 { AArch64::ST3i16_POST, "st3", ".h", 1, true, 6 },
575 { AArch64::ST3i32_POST, "st3", ".s", 1, true, 12 },
576 { AArch64::ST3i64_POST, "st3", ".d", 1, true, 24 },
577 { AArch64::ST3Threev16b, "st3", ".16b", 0, false, 0 },
578 { AArch64::ST3Threev8h, "st3", ".8h", 0, false, 0 },
579 { AArch64::ST3Threev4s, "st3", ".4s", 0, false, 0 },
580 { AArch64::ST3Threev2d, "st3", ".2d", 0, false, 0 },
581 { AArch64::ST3Threev8b, "st3", ".8b", 0, false, 0 },
582 { AArch64::ST3Threev4h, "st3", ".4h", 0, false, 0 },
583 { AArch64::ST3Threev2s, "st3", ".2s", 0, false, 0 },
584 { AArch64::ST3Threev16b_POST, "st3", ".16b", 1, false, 48 },
585 { AArch64::ST3Threev8h_POST, "st3", ".8h", 1, false, 48 },
586 { AArch64::ST3Threev4s_POST, "st3", ".4s", 1, false, 48 },
587 { AArch64::ST3Threev2d_POST, "st3", ".2d", 1, false, 48 },
588 { AArch64::ST3Threev8b_POST, "st3", ".8b", 1, false, 24 },
589 { AArch64::ST3Threev4h_POST, "st3", ".4h", 1, false, 24 },
590 { AArch64::ST3Threev2s_POST, "st3", ".2s", 1, false, 24 },
591 { AArch64::ST4i8, "st4", ".b", 0, true, 0 },
592 { AArch64::ST4i16, "st4", ".h", 0, true, 0 },
593 { AArch64::ST4i32, "st4", ".s", 0, true, 0 },
594 { AArch64::ST4i64, "st4", ".d", 0, true, 0 },
595 { AArch64::ST4i8_POST, "st4", ".b", 1, true, 4 },
596 { AArch64::ST4i16_POST, "st4", ".h", 1, true, 8 },
597 { AArch64::ST4i32_POST, "st4", ".s", 1, true, 16 },
598 { AArch64::ST4i64_POST, "st4", ".d", 1, true, 32 },
599 { AArch64::ST4Fourv16b, "st4", ".16b", 0, false, 0 },
600 { AArch64::ST4Fourv8h, "st4", ".8h", 0, false, 0 },
601 { AArch64::ST4Fourv4s, "st4", ".4s", 0, false, 0 },
602 { AArch64::ST4Fourv2d, "st4", ".2d", 0, false, 0 },
603 { AArch64::ST4Fourv8b, "st4", ".8b", 0, false, 0 },
604 { AArch64::ST4Fourv4h, "st4", ".4h", 0, false, 0 },
605 { AArch64::ST4Fourv2s, "st4", ".2s", 0, false, 0 },
606 { AArch64::ST4Fourv16b_POST, "st4", ".16b", 1, false, 64 },
607 { AArch64::ST4Fourv8h_POST, "st4", ".8h", 1, false, 64 },
608 { AArch64::ST4Fourv4s_POST, "st4", ".4s", 1, false, 64 },
609 { AArch64::ST4Fourv2d_POST, "st4", ".2d", 1, false, 64 },
610 { AArch64::ST4Fourv8b_POST, "st4", ".8b", 1, false, 32 },
611 { AArch64::ST4Fourv4h_POST, "st4", ".4h", 1, false, 32 },
612 { AArch64::ST4Fourv2s_POST, "st4", ".2s", 1, false, 32 },
615 static const LdStNInstrDesc *getLdStNInstrDesc(unsigned Opcode) {
617 for (Idx = 0; Idx != array_lengthof(LdStNInstInfo); ++Idx)
618 if (LdStNInstInfo[Idx].Opcode == Opcode)
619 return &LdStNInstInfo[Idx];
624 void AArch64AppleInstPrinter::printInst(const MCInst *MI, raw_ostream &O,
626 const MCSubtargetInfo &STI) {
627 unsigned Opcode = MI->getOpcode();
628 StringRef Layout, Mnemonic;
631 if (isTblTbxInstruction(MI->getOpcode(), Layout, IsTbx)) {
632 O << "\t" << (IsTbx ? "tbx" : "tbl") << Layout << '\t'
633 << getRegisterName(MI->getOperand(0).getReg(), AArch64::vreg) << ", ";
635 unsigned ListOpNum = IsTbx ? 2 : 1;
636 printVectorList(MI, ListOpNum, STI, O, "");
639 << getRegisterName(MI->getOperand(ListOpNum + 1).getReg(), AArch64::vreg);
640 printAnnotation(O, Annot);
644 if (const LdStNInstrDesc *LdStDesc = getLdStNInstrDesc(Opcode)) {
645 O << "\t" << LdStDesc->Mnemonic << LdStDesc->Layout << '\t';
647 // Now onto the operands: first a vector list with possible lane
648 // specifier. E.g. { v0 }[2]
649 int OpNum = LdStDesc->ListOperand;
650 printVectorList(MI, OpNum++, STI, O, "");
652 if (LdStDesc->HasLane)
653 O << '[' << MI->getOperand(OpNum++).getImm() << ']';
655 // Next the address: [xN]
656 unsigned AddrReg = MI->getOperand(OpNum++).getReg();
657 O << ", [" << getRegisterName(AddrReg) << ']';
659 // Finally, there might be a post-indexed offset.
660 if (LdStDesc->NaturalOffset != 0) {
661 unsigned Reg = MI->getOperand(OpNum++).getReg();
662 if (Reg != AArch64::XZR)
663 O << ", " << getRegisterName(Reg);
665 assert(LdStDesc->NaturalOffset && "no offset on post-inc instruction?");
666 O << ", #" << LdStDesc->NaturalOffset;
670 printAnnotation(O, Annot);
674 AArch64InstPrinter::printInst(MI, O, Annot, STI);
677 bool AArch64InstPrinter::printSysAlias(const MCInst *MI,
678 const MCSubtargetInfo &STI,
681 unsigned Opcode = MI->getOpcode();
682 assert(Opcode == AArch64::SYSxt && "Invalid opcode for SYS alias!");
685 const char *Asm = nullptr;
686 const MCOperand &Op1 = MI->getOperand(0);
687 const MCOperand &Cn = MI->getOperand(1);
688 const MCOperand &Cm = MI->getOperand(2);
689 const MCOperand &Op2 = MI->getOperand(3);
691 unsigned Op1Val = Op1.getImm();
692 unsigned CnVal = Cn.getImm();
693 unsigned CmVal = Cm.getImm();
694 unsigned Op2Val = Op2.getImm();
703 if (Op1Val == 0 && Op2Val == 0)
707 if (Op1Val == 0 && Op2Val == 0)
709 else if (Op1Val == 3 && Op2Val == 1)
715 if (Op1Val == 3 && Op2Val == 1)
719 if (Op1Val == 0 && Op2Val == 1)
721 if (Op1Val == 0 && Op2Val == 2)
725 if (Op1Val == 3 && Op2Val == 1)
727 else if (Op1Val == 0 && Op2Val == 2)
731 if (Op1Val == 3 && Op2Val == 1)
735 if (Op1Val == 3 && Op2Val == 1 &&
736 (STI.getFeatureBits()[AArch64::HasV8_2aOps]))
740 if (Op1Val == 3 && Op2Val == 1)
742 else if (Op1Val == 0 && Op2Val == 2)
755 case 0: Asm = "at\ts1e1r"; break;
756 case 1: Asm = "at\ts1e1w"; break;
757 case 2: Asm = "at\ts1e0r"; break;
758 case 3: Asm = "at\ts1e0w"; break;
765 case 0: Asm = "at\ts1e2r"; break;
766 case 1: Asm = "at\ts1e2w"; break;
767 case 4: Asm = "at\ts12e1r"; break;
768 case 5: Asm = "at\ts12e1w"; break;
769 case 6: Asm = "at\ts12e0r"; break;
770 case 7: Asm = "at\ts12e0w"; break;
777 case 0: Asm = "at\ts1e3r"; break;
778 case 1: Asm = "at\ts1e3w"; break;
788 if (STI.getFeatureBits()[AArch64::HasV8_2aOps]) {
792 case 0: Asm = "at\ts1e1rp"; break;
793 case 1: Asm = "at\ts1e1wp"; break;
799 } else if (CnVal == 8) {
812 case 0: Asm = "tlbi\tvmalle1is"; break;
813 case 1: Asm = "tlbi\tvae1is"; break;
814 case 2: Asm = "tlbi\taside1is"; break;
815 case 3: Asm = "tlbi\tvaae1is"; break;
816 case 5: Asm = "tlbi\tvale1is"; break;
817 case 7: Asm = "tlbi\tvaale1is"; break;
824 case 0: Asm = "tlbi\talle2is"; break;
825 case 1: Asm = "tlbi\tvae2is"; break;
826 case 4: Asm = "tlbi\talle1is"; break;
827 case 5: Asm = "tlbi\tvale2is"; break;
828 case 6: Asm = "tlbi\tvmalls12e1is"; break;
835 case 0: Asm = "tlbi\talle3is"; break;
836 case 1: Asm = "tlbi\tvae3is"; break;
837 case 5: Asm = "tlbi\tvale3is"; break;
850 case 1: Asm = "tlbi\tipas2e1is"; break;
851 case 5: Asm = "tlbi\tipas2le1is"; break;
864 case 1: Asm = "tlbi\tipas2e1"; break;
865 case 5: Asm = "tlbi\tipas2le1"; break;
878 case 0: Asm = "tlbi\tvmalle1"; break;
879 case 1: Asm = "tlbi\tvae1"; break;
880 case 2: Asm = "tlbi\taside1"; break;
881 case 3: Asm = "tlbi\tvaae1"; break;
882 case 5: Asm = "tlbi\tvale1"; break;
883 case 7: Asm = "tlbi\tvaale1"; break;
890 case 0: Asm = "tlbi\talle2"; break;
891 case 1: Asm = "tlbi\tvae2"; break;
892 case 4: Asm = "tlbi\talle1"; break;
893 case 5: Asm = "tlbi\tvale2"; break;
894 case 6: Asm = "tlbi\tvmalls12e1"; break;
901 case 0: Asm = "tlbi\talle3"; break;
902 case 1: Asm = "tlbi\tvae3"; break;
903 case 5: Asm = "tlbi\tvale3"; break;
912 unsigned Reg = MI->getOperand(4).getReg();
915 if (StringRef(Asm).lower().find("all") == StringRef::npos)
916 O << ", " << getRegisterName(Reg);
919 return Asm != nullptr;
922 void AArch64InstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
923 const MCSubtargetInfo &STI,
925 const MCOperand &Op = MI->getOperand(OpNo);
927 unsigned Reg = Op.getReg();
928 O << getRegisterName(Reg);
929 } else if (Op.isImm()) {
930 O << '#' << Op.getImm();
932 assert(Op.isExpr() && "unknown operand kind in printOperand");
933 Op.getExpr()->print(O, &MAI);
937 void AArch64InstPrinter::printHexImm(const MCInst *MI, unsigned OpNo,
938 const MCSubtargetInfo &STI,
940 const MCOperand &Op = MI->getOperand(OpNo);
941 O << format("#%#llx", Op.getImm());
944 void AArch64InstPrinter::printPostIncOperand(const MCInst *MI, unsigned OpNo,
945 unsigned Imm, raw_ostream &O) {
946 const MCOperand &Op = MI->getOperand(OpNo);
948 unsigned Reg = Op.getReg();
949 if (Reg == AArch64::XZR)
952 O << getRegisterName(Reg);
954 llvm_unreachable("unknown operand kind in printPostIncOperand64");
957 void AArch64InstPrinter::printVRegOperand(const MCInst *MI, unsigned OpNo,
958 const MCSubtargetInfo &STI,
960 const MCOperand &Op = MI->getOperand(OpNo);
961 assert(Op.isReg() && "Non-register vreg operand!");
962 unsigned Reg = Op.getReg();
963 O << getRegisterName(Reg, AArch64::vreg);
966 void AArch64InstPrinter::printSysCROperand(const MCInst *MI, unsigned OpNo,
967 const MCSubtargetInfo &STI,
969 const MCOperand &Op = MI->getOperand(OpNo);
970 assert(Op.isImm() && "System instruction C[nm] operands must be immediates!");
971 O << "c" << Op.getImm();
974 void AArch64InstPrinter::printAddSubImm(const MCInst *MI, unsigned OpNum,
975 const MCSubtargetInfo &STI,
977 const MCOperand &MO = MI->getOperand(OpNum);
979 unsigned Val = (MO.getImm() & 0xfff);
980 assert(Val == MO.getImm() && "Add/sub immediate out of range!");
982 AArch64_AM::getShiftValue(MI->getOperand(OpNum + 1).getImm());
985 printShifter(MI, OpNum + 1, STI, O);
988 *CommentStream << '=' << (Val << Shift) << '\n';
990 assert(MO.isExpr() && "Unexpected operand type!");
991 MO.getExpr()->print(O, &MAI);
992 printShifter(MI, OpNum + 1, STI, O);
996 void AArch64InstPrinter::printLogicalImm32(const MCInst *MI, unsigned OpNum,
997 const MCSubtargetInfo &STI,
999 uint64_t Val = MI->getOperand(OpNum).getImm();
1001 O.write_hex(AArch64_AM::decodeLogicalImmediate(Val, 32));
1004 void AArch64InstPrinter::printLogicalImm64(const MCInst *MI, unsigned OpNum,
1005 const MCSubtargetInfo &STI,
1007 uint64_t Val = MI->getOperand(OpNum).getImm();
1009 O.write_hex(AArch64_AM::decodeLogicalImmediate(Val, 64));
1012 void AArch64InstPrinter::printShifter(const MCInst *MI, unsigned OpNum,
1013 const MCSubtargetInfo &STI,
1015 unsigned Val = MI->getOperand(OpNum).getImm();
1016 // LSL #0 should not be printed.
1017 if (AArch64_AM::getShiftType(Val) == AArch64_AM::LSL &&
1018 AArch64_AM::getShiftValue(Val) == 0)
1020 O << ", " << AArch64_AM::getShiftExtendName(AArch64_AM::getShiftType(Val))
1021 << " #" << AArch64_AM::getShiftValue(Val);
1024 void AArch64InstPrinter::printShiftedRegister(const MCInst *MI, unsigned OpNum,
1025 const MCSubtargetInfo &STI,
1027 O << getRegisterName(MI->getOperand(OpNum).getReg());
1028 printShifter(MI, OpNum + 1, STI, O);
1031 void AArch64InstPrinter::printExtendedRegister(const MCInst *MI, unsigned OpNum,
1032 const MCSubtargetInfo &STI,
1034 O << getRegisterName(MI->getOperand(OpNum).getReg());
1035 printArithExtend(MI, OpNum + 1, STI, O);
1038 void AArch64InstPrinter::printArithExtend(const MCInst *MI, unsigned OpNum,
1039 const MCSubtargetInfo &STI,
1041 unsigned Val = MI->getOperand(OpNum).getImm();
1042 AArch64_AM::ShiftExtendType ExtType = AArch64_AM::getArithExtendType(Val);
1043 unsigned ShiftVal = AArch64_AM::getArithShiftValue(Val);
1045 // If the destination or first source register operand is [W]SP, print
1046 // UXTW/UXTX as LSL, and if the shift amount is also zero, print nothing at
1048 if (ExtType == AArch64_AM::UXTW || ExtType == AArch64_AM::UXTX) {
1049 unsigned Dest = MI->getOperand(0).getReg();
1050 unsigned Src1 = MI->getOperand(1).getReg();
1051 if ( ((Dest == AArch64::SP || Src1 == AArch64::SP) &&
1052 ExtType == AArch64_AM::UXTX) ||
1053 ((Dest == AArch64::WSP || Src1 == AArch64::WSP) &&
1054 ExtType == AArch64_AM::UXTW) ) {
1056 O << ", lsl #" << ShiftVal;
1060 O << ", " << AArch64_AM::getShiftExtendName(ExtType);
1062 O << " #" << ShiftVal;
1065 void AArch64InstPrinter::printMemExtend(const MCInst *MI, unsigned OpNum,
1066 raw_ostream &O, char SrcRegKind,
1068 unsigned SignExtend = MI->getOperand(OpNum).getImm();
1069 unsigned DoShift = MI->getOperand(OpNum + 1).getImm();
1071 // sxtw, sxtx, uxtw or lsl (== uxtx)
1072 bool IsLSL = !SignExtend && SrcRegKind == 'x';
1076 O << (SignExtend ? 's' : 'u') << "xt" << SrcRegKind;
1078 if (DoShift || IsLSL)
1079 O << " #" << Log2_32(Width / 8);
1082 void AArch64InstPrinter::printCondCode(const MCInst *MI, unsigned OpNum,
1083 const MCSubtargetInfo &STI,
1085 AArch64CC::CondCode CC = (AArch64CC::CondCode)MI->getOperand(OpNum).getImm();
1086 O << AArch64CC::getCondCodeName(CC);
1089 void AArch64InstPrinter::printInverseCondCode(const MCInst *MI, unsigned OpNum,
1090 const MCSubtargetInfo &STI,
1092 AArch64CC::CondCode CC = (AArch64CC::CondCode)MI->getOperand(OpNum).getImm();
1093 O << AArch64CC::getCondCodeName(AArch64CC::getInvertedCondCode(CC));
1096 void AArch64InstPrinter::printAMNoIndex(const MCInst *MI, unsigned OpNum,
1097 const MCSubtargetInfo &STI,
1099 O << '[' << getRegisterName(MI->getOperand(OpNum).getReg()) << ']';
1103 void AArch64InstPrinter::printImmScale(const MCInst *MI, unsigned OpNum,
1104 const MCSubtargetInfo &STI,
1106 O << '#' << Scale * MI->getOperand(OpNum).getImm();
1109 void AArch64InstPrinter::printUImm12Offset(const MCInst *MI, unsigned OpNum,
1110 unsigned Scale, raw_ostream &O) {
1111 const MCOperand MO = MI->getOperand(OpNum);
1113 O << "#" << (MO.getImm() * Scale);
1115 assert(MO.isExpr() && "Unexpected operand type!");
1116 MO.getExpr()->print(O, &MAI);
1120 void AArch64InstPrinter::printAMIndexedWB(const MCInst *MI, unsigned OpNum,
1121 unsigned Scale, raw_ostream &O) {
1122 const MCOperand MO1 = MI->getOperand(OpNum + 1);
1123 O << '[' << getRegisterName(MI->getOperand(OpNum).getReg());
1125 O << ", #" << (MO1.getImm() * Scale);
1127 assert(MO1.isExpr() && "Unexpected operand type!");
1129 MO1.getExpr()->print(O, &MAI);
1134 void AArch64InstPrinter::printPrefetchOp(const MCInst *MI, unsigned OpNum,
1135 const MCSubtargetInfo &STI,
1137 unsigned prfop = MI->getOperand(OpNum).getImm();
1140 AArch64PRFM::PRFMMapper().toString(prfop, STI.getFeatureBits(), Valid);
1147 void AArch64InstPrinter::printFPImmOperand(const MCInst *MI, unsigned OpNum,
1148 const MCSubtargetInfo &STI,
1150 const MCOperand &MO = MI->getOperand(OpNum);
1152 MO.isFPImm() ? MO.getFPImm() : AArch64_AM::getFPImmFloat(MO.getImm());
1154 // 8 decimal places are enough to perfectly represent permitted floats.
1155 O << format("#%.8f", FPImm);
1158 static unsigned getNextVectorRegister(unsigned Reg, unsigned Stride = 1) {
1162 llvm_unreachable("Vector register expected!");
1163 case AArch64::Q0: Reg = AArch64::Q1; break;
1164 case AArch64::Q1: Reg = AArch64::Q2; break;
1165 case AArch64::Q2: Reg = AArch64::Q3; break;
1166 case AArch64::Q3: Reg = AArch64::Q4; break;
1167 case AArch64::Q4: Reg = AArch64::Q5; break;
1168 case AArch64::Q5: Reg = AArch64::Q6; break;
1169 case AArch64::Q6: Reg = AArch64::Q7; break;
1170 case AArch64::Q7: Reg = AArch64::Q8; break;
1171 case AArch64::Q8: Reg = AArch64::Q9; break;
1172 case AArch64::Q9: Reg = AArch64::Q10; break;
1173 case AArch64::Q10: Reg = AArch64::Q11; break;
1174 case AArch64::Q11: Reg = AArch64::Q12; break;
1175 case AArch64::Q12: Reg = AArch64::Q13; break;
1176 case AArch64::Q13: Reg = AArch64::Q14; break;
1177 case AArch64::Q14: Reg = AArch64::Q15; break;
1178 case AArch64::Q15: Reg = AArch64::Q16; break;
1179 case AArch64::Q16: Reg = AArch64::Q17; break;
1180 case AArch64::Q17: Reg = AArch64::Q18; break;
1181 case AArch64::Q18: Reg = AArch64::Q19; break;
1182 case AArch64::Q19: Reg = AArch64::Q20; break;
1183 case AArch64::Q20: Reg = AArch64::Q21; break;
1184 case AArch64::Q21: Reg = AArch64::Q22; break;
1185 case AArch64::Q22: Reg = AArch64::Q23; break;
1186 case AArch64::Q23: Reg = AArch64::Q24; break;
1187 case AArch64::Q24: Reg = AArch64::Q25; break;
1188 case AArch64::Q25: Reg = AArch64::Q26; break;
1189 case AArch64::Q26: Reg = AArch64::Q27; break;
1190 case AArch64::Q27: Reg = AArch64::Q28; break;
1191 case AArch64::Q28: Reg = AArch64::Q29; break;
1192 case AArch64::Q29: Reg = AArch64::Q30; break;
1193 case AArch64::Q30: Reg = AArch64::Q31; break;
1194 // Vector lists can wrap around.
1203 template<unsigned size>
1204 void AArch64InstPrinter::printGPRSeqPairsClassOperand(const MCInst *MI,
1206 const MCSubtargetInfo &STI,
1208 static_assert(size == 64 || size == 32,
1209 "Template parameter must be either 32 or 64");
1210 unsigned Reg = MI->getOperand(OpNum).getReg();
1212 unsigned Sube = (size == 32) ? AArch64::sube32 : AArch64::sube64;
1213 unsigned Subo = (size == 32) ? AArch64::subo32 : AArch64::subo64;
1215 unsigned Even = MRI.getSubReg(Reg, Sube);
1216 unsigned Odd = MRI.getSubReg(Reg, Subo);
1217 O << getRegisterName(Even) << ", " << getRegisterName(Odd);
1220 void AArch64InstPrinter::printVectorList(const MCInst *MI, unsigned OpNum,
1221 const MCSubtargetInfo &STI,
1223 StringRef LayoutSuffix) {
1224 unsigned Reg = MI->getOperand(OpNum).getReg();
1228 // Work out how many registers there are in the list (if there is an actual
1230 unsigned NumRegs = 1;
1231 if (MRI.getRegClass(AArch64::DDRegClassID).contains(Reg) ||
1232 MRI.getRegClass(AArch64::QQRegClassID).contains(Reg))
1234 else if (MRI.getRegClass(AArch64::DDDRegClassID).contains(Reg) ||
1235 MRI.getRegClass(AArch64::QQQRegClassID).contains(Reg))
1237 else if (MRI.getRegClass(AArch64::DDDDRegClassID).contains(Reg) ||
1238 MRI.getRegClass(AArch64::QQQQRegClassID).contains(Reg))
1241 // Now forget about the list and find out what the first register is.
1242 if (unsigned FirstReg = MRI.getSubReg(Reg, AArch64::dsub0))
1244 else if (unsigned FirstReg = MRI.getSubReg(Reg, AArch64::qsub0))
1247 // If it's a D-reg, we need to promote it to the equivalent Q-reg before
1248 // printing (otherwise getRegisterName fails).
1249 if (MRI.getRegClass(AArch64::FPR64RegClassID).contains(Reg)) {
1250 const MCRegisterClass &FPR128RC =
1251 MRI.getRegClass(AArch64::FPR128RegClassID);
1252 Reg = MRI.getMatchingSuperReg(Reg, AArch64::dsub, &FPR128RC);
1255 for (unsigned i = 0; i < NumRegs; ++i, Reg = getNextVectorRegister(Reg)) {
1256 O << getRegisterName(Reg, AArch64::vreg) << LayoutSuffix;
1257 if (i + 1 != NumRegs)
1265 AArch64InstPrinter::printImplicitlyTypedVectorList(const MCInst *MI,
1267 const MCSubtargetInfo &STI,
1269 printVectorList(MI, OpNum, STI, O, "");
1272 template <unsigned NumLanes, char LaneKind>
1273 void AArch64InstPrinter::printTypedVectorList(const MCInst *MI, unsigned OpNum,
1274 const MCSubtargetInfo &STI,
1276 std::string Suffix(".");
1278 Suffix += itostr(NumLanes) + LaneKind;
1282 printVectorList(MI, OpNum, STI, O, Suffix);
1285 void AArch64InstPrinter::printVectorIndex(const MCInst *MI, unsigned OpNum,
1286 const MCSubtargetInfo &STI,
1288 O << "[" << MI->getOperand(OpNum).getImm() << "]";
1291 void AArch64InstPrinter::printAlignedLabel(const MCInst *MI, unsigned OpNum,
1292 const MCSubtargetInfo &STI,
1294 const MCOperand &Op = MI->getOperand(OpNum);
1296 // If the label has already been resolved to an immediate offset (say, when
1297 // we're running the disassembler), just print the immediate.
1299 O << "#" << (Op.getImm() * 4);
1303 // If the branch target is simply an address then print it in hex.
1304 const MCConstantExpr *BranchTarget =
1305 dyn_cast<MCConstantExpr>(MI->getOperand(OpNum).getExpr());
1307 if (BranchTarget && BranchTarget->evaluateAsAbsolute(Address)) {
1309 O.write_hex(Address);
1311 // Otherwise, just print the expression.
1312 MI->getOperand(OpNum).getExpr()->print(O, &MAI);
1316 void AArch64InstPrinter::printAdrpLabel(const MCInst *MI, unsigned OpNum,
1317 const MCSubtargetInfo &STI,
1319 const MCOperand &Op = MI->getOperand(OpNum);
1321 // If the label has already been resolved to an immediate offset (say, when
1322 // we're running the disassembler), just print the immediate.
1324 O << "#" << (Op.getImm() * (1 << 12));
1328 // Otherwise, just print the expression.
1329 MI->getOperand(OpNum).getExpr()->print(O, &MAI);
1332 void AArch64InstPrinter::printBarrierOption(const MCInst *MI, unsigned OpNo,
1333 const MCSubtargetInfo &STI,
1335 unsigned Val = MI->getOperand(OpNo).getImm();
1336 unsigned Opcode = MI->getOpcode();
1340 if (Opcode == AArch64::ISB)
1341 Name = AArch64ISB::ISBMapper().toString(Val, STI.getFeatureBits(),
1344 Name = AArch64DB::DBarrierMapper().toString(Val, STI.getFeatureBits(),
1352 void AArch64InstPrinter::printMRSSystemRegister(const MCInst *MI, unsigned OpNo,
1353 const MCSubtargetInfo &STI,
1355 unsigned Val = MI->getOperand(OpNo).getImm();
1357 auto Mapper = AArch64SysReg::MRSMapper();
1358 std::string Name = Mapper.toString(Val, STI.getFeatureBits());
1360 O << StringRef(Name).upper();
1363 void AArch64InstPrinter::printMSRSystemRegister(const MCInst *MI, unsigned OpNo,
1364 const MCSubtargetInfo &STI,
1366 unsigned Val = MI->getOperand(OpNo).getImm();
1368 auto Mapper = AArch64SysReg::MSRMapper();
1369 std::string Name = Mapper.toString(Val, STI.getFeatureBits());
1371 O << StringRef(Name).upper();
1374 void AArch64InstPrinter::printSystemPStateField(const MCInst *MI, unsigned OpNo,
1375 const MCSubtargetInfo &STI,
1377 unsigned Val = MI->getOperand(OpNo).getImm();
1381 AArch64PState::PStateMapper().toString(Val, STI.getFeatureBits(), Valid);
1388 void AArch64InstPrinter::printSIMDType10Operand(const MCInst *MI, unsigned OpNo,
1389 const MCSubtargetInfo &STI,
1391 unsigned RawVal = MI->getOperand(OpNo).getImm();
1392 uint64_t Val = AArch64_AM::decodeAdvSIMDModImmType10(RawVal);
1393 O << format("#%#016llx", Val);