1 //==-- AArch64InstPrinter.cpp - Convert AArch64 MCInst to assembly syntax --==// 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 an AArch64 MCInst to a .s file. 11 // 12 //===----------------------------------------------------------------------===// 13 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/MC/MCSubtargetInfo.h" 23 #include "llvm/Support/Format.h" 24 #include "llvm/Support/raw_ostream.h" 25 using namespace llvm; 26 27 #define DEBUG_TYPE "asm-printer" 28 29 #define GET_INSTRUCTION_NAME 30 #define PRINT_ALIAS_INSTR 31 #include "AArch64GenAsmWriter.inc" 32 #define GET_INSTRUCTION_NAME 33 #define PRINT_ALIAS_INSTR 34 #include "AArch64GenAsmWriter1.inc" 35 36 AArch64InstPrinter::AArch64InstPrinter(const MCAsmInfo &MAI, 37 const MCInstrInfo &MII, 38 const MCRegisterInfo &MRI) 39 : MCInstPrinter(MAI, MII, MRI) {} 40 41 AArch64AppleInstPrinter::AArch64AppleInstPrinter(const MCAsmInfo &MAI, 42 const MCInstrInfo &MII, 43 const MCRegisterInfo &MRI) 44 : AArch64InstPrinter(MAI, MII, MRI) {} 45 46 void AArch64InstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const { 47 // This is for .cfi directives. 48 OS << getRegisterName(RegNo); 49 } 50 51 void AArch64InstPrinter::printInst(const MCInst *MI, raw_ostream &O, 52 StringRef Annot, 53 const MCSubtargetInfo &STI) { 54 // Check for special encodings and print the canonical alias instead. 55 56 unsigned Opcode = MI->getOpcode(); 57 58 if (Opcode == AArch64::SYSxt) 59 if (printSysAlias(MI, STI, O)) { 60 printAnnotation(O, Annot); 61 return; 62 } 63 64 // SBFM/UBFM should print to a nicer aliased form if possible. 65 if (Opcode == AArch64::SBFMXri || Opcode == AArch64::SBFMWri || 66 Opcode == AArch64::UBFMXri || Opcode == AArch64::UBFMWri) { 67 const MCOperand &Op0 = MI->getOperand(0); 68 const MCOperand &Op1 = MI->getOperand(1); 69 const MCOperand &Op2 = MI->getOperand(2); 70 const MCOperand &Op3 = MI->getOperand(3); 71 72 bool IsSigned = (Opcode == AArch64::SBFMXri || Opcode == AArch64::SBFMWri); 73 bool Is64Bit = (Opcode == AArch64::SBFMXri || Opcode == AArch64::UBFMXri); 74 if (Op2.isImm() && Op2.getImm() == 0 && Op3.isImm()) { 75 const char *AsmMnemonic = nullptr; 76 77 switch (Op3.getImm()) { 78 default: 79 break; 80 case 7: 81 if (IsSigned) 82 AsmMnemonic = "sxtb"; 83 else if (!Is64Bit) 84 AsmMnemonic = "uxtb"; 85 break; 86 case 15: 87 if (IsSigned) 88 AsmMnemonic = "sxth"; 89 else if (!Is64Bit) 90 AsmMnemonic = "uxth"; 91 break; 92 case 31: 93 // *xtw is only valid for signed 64-bit operations. 94 if (Is64Bit && IsSigned) 95 AsmMnemonic = "sxtw"; 96 break; 97 } 98 99 if (AsmMnemonic) { 100 O << '\t' << AsmMnemonic << '\t' << getRegisterName(Op0.getReg()) 101 << ", " << getRegisterName(getWRegFromXReg(Op1.getReg())); 102 printAnnotation(O, Annot); 103 return; 104 } 105 } 106 107 // All immediate shifts are aliases, implemented using the Bitfield 108 // instruction. In all cases the immediate shift amount shift must be in 109 // the range 0 to (reg.size -1). 110 if (Op2.isImm() && Op3.isImm()) { 111 const char *AsmMnemonic = nullptr; 112 int shift = 0; 113 int64_t immr = Op2.getImm(); 114 int64_t imms = Op3.getImm(); 115 if (Opcode == AArch64::UBFMWri && imms != 0x1F && ((imms + 1) == immr)) { 116 AsmMnemonic = "lsl"; 117 shift = 31 - imms; 118 } else if (Opcode == AArch64::UBFMXri && imms != 0x3f && 119 ((imms + 1 == immr))) { 120 AsmMnemonic = "lsl"; 121 shift = 63 - imms; 122 } else if (Opcode == AArch64::UBFMWri && imms == 0x1f) { 123 AsmMnemonic = "lsr"; 124 shift = immr; 125 } else if (Opcode == AArch64::UBFMXri && imms == 0x3f) { 126 AsmMnemonic = "lsr"; 127 shift = immr; 128 } else if (Opcode == AArch64::SBFMWri && imms == 0x1f) { 129 AsmMnemonic = "asr"; 130 shift = immr; 131 } else if (Opcode == AArch64::SBFMXri && imms == 0x3f) { 132 AsmMnemonic = "asr"; 133 shift = immr; 134 } 135 if (AsmMnemonic) { 136 O << '\t' << AsmMnemonic << '\t' << getRegisterName(Op0.getReg()) 137 << ", " << getRegisterName(Op1.getReg()) << ", #" << shift; 138 printAnnotation(O, Annot); 139 return; 140 } 141 } 142 143 // SBFIZ/UBFIZ aliases 144 if (Op2.getImm() > Op3.getImm()) { 145 O << '\t' << (IsSigned ? "sbfiz" : "ubfiz") << '\t' 146 << getRegisterName(Op0.getReg()) << ", " << getRegisterName(Op1.getReg()) 147 << ", #" << (Is64Bit ? 64 : 32) - Op2.getImm() << ", #" << Op3.getImm() + 1; 148 printAnnotation(O, Annot); 149 return; 150 } 151 152 // Otherwise SBFX/UBFX is the preferred form 153 O << '\t' << (IsSigned ? "sbfx" : "ubfx") << '\t' 154 << getRegisterName(Op0.getReg()) << ", " << getRegisterName(Op1.getReg()) 155 << ", #" << Op2.getImm() << ", #" << Op3.getImm() - Op2.getImm() + 1; 156 printAnnotation(O, Annot); 157 return; 158 } 159 160 if (Opcode == AArch64::BFMXri || Opcode == AArch64::BFMWri) { 161 const MCOperand &Op0 = MI->getOperand(0); // Op1 == Op0 162 const MCOperand &Op2 = MI->getOperand(2); 163 int ImmR = MI->getOperand(3).getImm(); 164 int ImmS = MI->getOperand(4).getImm(); 165 166 if ((Op2.getReg() == AArch64::WZR || Op2.getReg() == AArch64::XZR) && 167 (ImmR == 0 || ImmS < ImmR)) { 168 // BFC takes precedence over its entire range, sligtly differently to BFI. 169 int BitWidth = Opcode == AArch64::BFMXri ? 64 : 32; 170 int LSB = (BitWidth - ImmR) % BitWidth; 171 int Width = ImmS + 1; 172 173 O << "\tbfc\t" << getRegisterName(Op0.getReg()) 174 << ", #" << LSB << ", #" << Width; 175 printAnnotation(O, Annot); 176 return; 177 } else if (ImmS < ImmR) { 178 // BFI alias 179 int BitWidth = Opcode == AArch64::BFMXri ? 64 : 32; 180 int LSB = (BitWidth - ImmR) % BitWidth; 181 int Width = ImmS + 1; 182 183 O << "\tbfi\t" << getRegisterName(Op0.getReg()) << ", " 184 << getRegisterName(Op2.getReg()) << ", #" << LSB << ", #" << Width; 185 printAnnotation(O, Annot); 186 return; 187 } 188 189 int LSB = ImmR; 190 int Width = ImmS - ImmR + 1; 191 // Otherwise BFXIL the preferred form 192 O << "\tbfxil\t" 193 << getRegisterName(Op0.getReg()) << ", " << getRegisterName(Op2.getReg()) 194 << ", #" << LSB << ", #" << Width; 195 printAnnotation(O, Annot); 196 return; 197 } 198 199 // Symbolic operands for MOVZ, MOVN and MOVK already imply a shift 200 // (e.g. :gottprel_g1: is always going to be "lsl #16") so it should not be 201 // printed. 202 if ((Opcode == AArch64::MOVZXi || Opcode == AArch64::MOVZWi || 203 Opcode == AArch64::MOVNXi || Opcode == AArch64::MOVNWi) && 204 MI->getOperand(1).isExpr()) { 205 if (Opcode == AArch64::MOVZXi || Opcode == AArch64::MOVZWi) 206 O << "\tmovz\t"; 207 else 208 O << "\tmovn\t"; 209 210 O << getRegisterName(MI->getOperand(0).getReg()) << ", #"; 211 MI->getOperand(1).getExpr()->print(O, &MAI); 212 return; 213 } 214 215 if ((Opcode == AArch64::MOVKXi || Opcode == AArch64::MOVKWi) && 216 MI->getOperand(2).isExpr()) { 217 O << "\tmovk\t" << getRegisterName(MI->getOperand(0).getReg()) << ", #"; 218 MI->getOperand(2).getExpr()->print(O, &MAI); 219 return; 220 } 221 222 // MOVZ, MOVN and "ORR wzr, #imm" instructions are aliases for MOV, but their 223 // domains overlap so they need to be prioritized. The chain is "MOVZ lsl #0 > 224 // MOVZ lsl #N > MOVN lsl #0 > MOVN lsl #N > ORR". The highest instruction 225 // that can represent the move is the MOV alias, and the rest get printed 226 // normally. 227 if ((Opcode == AArch64::MOVZXi || Opcode == AArch64::MOVZWi) && 228 MI->getOperand(1).isImm() && MI->getOperand(2).isImm()) { 229 int RegWidth = Opcode == AArch64::MOVZXi ? 64 : 32; 230 int Shift = MI->getOperand(2).getImm(); 231 uint64_t Value = (uint64_t)MI->getOperand(1).getImm() << Shift; 232 233 if (AArch64_AM::isMOVZMovAlias(Value, Shift, 234 Opcode == AArch64::MOVZXi ? 64 : 32)) { 235 O << "\tmov\t" << getRegisterName(MI->getOperand(0).getReg()) << ", #" 236 << formatImm(SignExtend64(Value, RegWidth)); 237 return; 238 } 239 } 240 241 if ((Opcode == AArch64::MOVNXi || Opcode == AArch64::MOVNWi) && 242 MI->getOperand(1).isImm() && MI->getOperand(2).isImm()) { 243 int RegWidth = Opcode == AArch64::MOVNXi ? 64 : 32; 244 int Shift = MI->getOperand(2).getImm(); 245 uint64_t Value = ~((uint64_t)MI->getOperand(1).getImm() << Shift); 246 if (RegWidth == 32) 247 Value = Value & 0xffffffff; 248 249 if (AArch64_AM::isMOVNMovAlias(Value, Shift, RegWidth)) { 250 O << "\tmov\t" << getRegisterName(MI->getOperand(0).getReg()) << ", #" 251 << formatImm(SignExtend64(Value, RegWidth)); 252 return; 253 } 254 } 255 256 if ((Opcode == AArch64::ORRXri || Opcode == AArch64::ORRWri) && 257 (MI->getOperand(1).getReg() == AArch64::XZR || 258 MI->getOperand(1).getReg() == AArch64::WZR) && 259 MI->getOperand(2).isImm()) { 260 int RegWidth = Opcode == AArch64::ORRXri ? 64 : 32; 261 uint64_t Value = AArch64_AM::decodeLogicalImmediate( 262 MI->getOperand(2).getImm(), RegWidth); 263 if (!AArch64_AM::isAnyMOVWMovAlias(Value, RegWidth)) { 264 O << "\tmov\t" << getRegisterName(MI->getOperand(0).getReg()) << ", #" 265 << formatImm(SignExtend64(Value, RegWidth)); 266 return; 267 } 268 } 269 270 if (!printAliasInstr(MI, STI, O)) 271 printInstruction(MI, STI, O); 272 273 printAnnotation(O, Annot); 274 } 275 276 static bool isTblTbxInstruction(unsigned Opcode, StringRef &Layout, 277 bool &IsTbx) { 278 switch (Opcode) { 279 case AArch64::TBXv8i8One: 280 case AArch64::TBXv8i8Two: 281 case AArch64::TBXv8i8Three: 282 case AArch64::TBXv8i8Four: 283 IsTbx = true; 284 Layout = ".8b"; 285 return true; 286 case AArch64::TBLv8i8One: 287 case AArch64::TBLv8i8Two: 288 case AArch64::TBLv8i8Three: 289 case AArch64::TBLv8i8Four: 290 IsTbx = false; 291 Layout = ".8b"; 292 return true; 293 case AArch64::TBXv16i8One: 294 case AArch64::TBXv16i8Two: 295 case AArch64::TBXv16i8Three: 296 case AArch64::TBXv16i8Four: 297 IsTbx = true; 298 Layout = ".16b"; 299 return true; 300 case AArch64::TBLv16i8One: 301 case AArch64::TBLv16i8Two: 302 case AArch64::TBLv16i8Three: 303 case AArch64::TBLv16i8Four: 304 IsTbx = false; 305 Layout = ".16b"; 306 return true; 307 default: 308 return false; 309 } 310 } 311 312 struct LdStNInstrDesc { 313 unsigned Opcode; 314 const char *Mnemonic; 315 const char *Layout; 316 int ListOperand; 317 bool HasLane; 318 int NaturalOffset; 319 }; 320 321 static const LdStNInstrDesc LdStNInstInfo[] = { 322 { AArch64::LD1i8, "ld1", ".b", 1, true, 0 }, 323 { AArch64::LD1i16, "ld1", ".h", 1, true, 0 }, 324 { AArch64::LD1i32, "ld1", ".s", 1, true, 0 }, 325 { AArch64::LD1i64, "ld1", ".d", 1, true, 0 }, 326 { AArch64::LD1i8_POST, "ld1", ".b", 2, true, 1 }, 327 { AArch64::LD1i16_POST, "ld1", ".h", 2, true, 2 }, 328 { AArch64::LD1i32_POST, "ld1", ".s", 2, true, 4 }, 329 { AArch64::LD1i64_POST, "ld1", ".d", 2, true, 8 }, 330 { AArch64::LD1Rv16b, "ld1r", ".16b", 0, false, 0 }, 331 { AArch64::LD1Rv8h, "ld1r", ".8h", 0, false, 0 }, 332 { AArch64::LD1Rv4s, "ld1r", ".4s", 0, false, 0 }, 333 { AArch64::LD1Rv2d, "ld1r", ".2d", 0, false, 0 }, 334 { AArch64::LD1Rv8b, "ld1r", ".8b", 0, false, 0 }, 335 { AArch64::LD1Rv4h, "ld1r", ".4h", 0, false, 0 }, 336 { AArch64::LD1Rv2s, "ld1r", ".2s", 0, false, 0 }, 337 { AArch64::LD1Rv1d, "ld1r", ".1d", 0, false, 0 }, 338 { AArch64::LD1Rv16b_POST, "ld1r", ".16b", 1, false, 1 }, 339 { AArch64::LD1Rv8h_POST, "ld1r", ".8h", 1, false, 2 }, 340 { AArch64::LD1Rv4s_POST, "ld1r", ".4s", 1, false, 4 }, 341 { AArch64::LD1Rv2d_POST, "ld1r", ".2d", 1, false, 8 }, 342 { AArch64::LD1Rv8b_POST, "ld1r", ".8b", 1, false, 1 }, 343 { AArch64::LD1Rv4h_POST, "ld1r", ".4h", 1, false, 2 }, 344 { AArch64::LD1Rv2s_POST, "ld1r", ".2s", 1, false, 4 }, 345 { AArch64::LD1Rv1d_POST, "ld1r", ".1d", 1, false, 8 }, 346 { AArch64::LD1Onev16b, "ld1", ".16b", 0, false, 0 }, 347 { AArch64::LD1Onev8h, "ld1", ".8h", 0, false, 0 }, 348 { AArch64::LD1Onev4s, "ld1", ".4s", 0, false, 0 }, 349 { AArch64::LD1Onev2d, "ld1", ".2d", 0, false, 0 }, 350 { AArch64::LD1Onev8b, "ld1", ".8b", 0, false, 0 }, 351 { AArch64::LD1Onev4h, "ld1", ".4h", 0, false, 0 }, 352 { AArch64::LD1Onev2s, "ld1", ".2s", 0, false, 0 }, 353 { AArch64::LD1Onev1d, "ld1", ".1d", 0, false, 0 }, 354 { AArch64::LD1Onev16b_POST, "ld1", ".16b", 1, false, 16 }, 355 { AArch64::LD1Onev8h_POST, "ld1", ".8h", 1, false, 16 }, 356 { AArch64::LD1Onev4s_POST, "ld1", ".4s", 1, false, 16 }, 357 { AArch64::LD1Onev2d_POST, "ld1", ".2d", 1, false, 16 }, 358 { AArch64::LD1Onev8b_POST, "ld1", ".8b", 1, false, 8 }, 359 { AArch64::LD1Onev4h_POST, "ld1", ".4h", 1, false, 8 }, 360 { AArch64::LD1Onev2s_POST, "ld1", ".2s", 1, false, 8 }, 361 { AArch64::LD1Onev1d_POST, "ld1", ".1d", 1, false, 8 }, 362 { AArch64::LD1Twov16b, "ld1", ".16b", 0, false, 0 }, 363 { AArch64::LD1Twov8h, "ld1", ".8h", 0, false, 0 }, 364 { AArch64::LD1Twov4s, "ld1", ".4s", 0, false, 0 }, 365 { AArch64::LD1Twov2d, "ld1", ".2d", 0, false, 0 }, 366 { AArch64::LD1Twov8b, "ld1", ".8b", 0, false, 0 }, 367 { AArch64::LD1Twov4h, "ld1", ".4h", 0, false, 0 }, 368 { AArch64::LD1Twov2s, "ld1", ".2s", 0, false, 0 }, 369 { AArch64::LD1Twov1d, "ld1", ".1d", 0, false, 0 }, 370 { AArch64::LD1Twov16b_POST, "ld1", ".16b", 1, false, 32 }, 371 { AArch64::LD1Twov8h_POST, "ld1", ".8h", 1, false, 32 }, 372 { AArch64::LD1Twov4s_POST, "ld1", ".4s", 1, false, 32 }, 373 { AArch64::LD1Twov2d_POST, "ld1", ".2d", 1, false, 32 }, 374 { AArch64::LD1Twov8b_POST, "ld1", ".8b", 1, false, 16 }, 375 { AArch64::LD1Twov4h_POST, "ld1", ".4h", 1, false, 16 }, 376 { AArch64::LD1Twov2s_POST, "ld1", ".2s", 1, false, 16 }, 377 { AArch64::LD1Twov1d_POST, "ld1", ".1d", 1, false, 16 }, 378 { AArch64::LD1Threev16b, "ld1", ".16b", 0, false, 0 }, 379 { AArch64::LD1Threev8h, "ld1", ".8h", 0, false, 0 }, 380 { AArch64::LD1Threev4s, "ld1", ".4s", 0, false, 0 }, 381 { AArch64::LD1Threev2d, "ld1", ".2d", 0, false, 0 }, 382 { AArch64::LD1Threev8b, "ld1", ".8b", 0, false, 0 }, 383 { AArch64::LD1Threev4h, "ld1", ".4h", 0, false, 0 }, 384 { AArch64::LD1Threev2s, "ld1", ".2s", 0, false, 0 }, 385 { AArch64::LD1Threev1d, "ld1", ".1d", 0, false, 0 }, 386 { AArch64::LD1Threev16b_POST, "ld1", ".16b", 1, false, 48 }, 387 { AArch64::LD1Threev8h_POST, "ld1", ".8h", 1, false, 48 }, 388 { AArch64::LD1Threev4s_POST, "ld1", ".4s", 1, false, 48 }, 389 { AArch64::LD1Threev2d_POST, "ld1", ".2d", 1, false, 48 }, 390 { AArch64::LD1Threev8b_POST, "ld1", ".8b", 1, false, 24 }, 391 { AArch64::LD1Threev4h_POST, "ld1", ".4h", 1, false, 24 }, 392 { AArch64::LD1Threev2s_POST, "ld1", ".2s", 1, false, 24 }, 393 { AArch64::LD1Threev1d_POST, "ld1", ".1d", 1, false, 24 }, 394 { AArch64::LD1Fourv16b, "ld1", ".16b", 0, false, 0 }, 395 { AArch64::LD1Fourv8h, "ld1", ".8h", 0, false, 0 }, 396 { AArch64::LD1Fourv4s, "ld1", ".4s", 0, false, 0 }, 397 { AArch64::LD1Fourv2d, "ld1", ".2d", 0, false, 0 }, 398 { AArch64::LD1Fourv8b, "ld1", ".8b", 0, false, 0 }, 399 { AArch64::LD1Fourv4h, "ld1", ".4h", 0, false, 0 }, 400 { AArch64::LD1Fourv2s, "ld1", ".2s", 0, false, 0 }, 401 { AArch64::LD1Fourv1d, "ld1", ".1d", 0, false, 0 }, 402 { AArch64::LD1Fourv16b_POST, "ld1", ".16b", 1, false, 64 }, 403 { AArch64::LD1Fourv8h_POST, "ld1", ".8h", 1, false, 64 }, 404 { AArch64::LD1Fourv4s_POST, "ld1", ".4s", 1, false, 64 }, 405 { AArch64::LD1Fourv2d_POST, "ld1", ".2d", 1, false, 64 }, 406 { AArch64::LD1Fourv8b_POST, "ld1", ".8b", 1, false, 32 }, 407 { AArch64::LD1Fourv4h_POST, "ld1", ".4h", 1, false, 32 }, 408 { AArch64::LD1Fourv2s_POST, "ld1", ".2s", 1, false, 32 }, 409 { AArch64::LD1Fourv1d_POST, "ld1", ".1d", 1, false, 32 }, 410 { AArch64::LD2i8, "ld2", ".b", 1, true, 0 }, 411 { AArch64::LD2i16, "ld2", ".h", 1, true, 0 }, 412 { AArch64::LD2i32, "ld2", ".s", 1, true, 0 }, 413 { AArch64::LD2i64, "ld2", ".d", 1, true, 0 }, 414 { AArch64::LD2i8_POST, "ld2", ".b", 2, true, 2 }, 415 { AArch64::LD2i16_POST, "ld2", ".h", 2, true, 4 }, 416 { AArch64::LD2i32_POST, "ld2", ".s", 2, true, 8 }, 417 { AArch64::LD2i64_POST, "ld2", ".d", 2, true, 16 }, 418 { AArch64::LD2Rv16b, "ld2r", ".16b", 0, false, 0 }, 419 { AArch64::LD2Rv8h, "ld2r", ".8h", 0, false, 0 }, 420 { AArch64::LD2Rv4s, "ld2r", ".4s", 0, false, 0 }, 421 { AArch64::LD2Rv2d, "ld2r", ".2d", 0, false, 0 }, 422 { AArch64::LD2Rv8b, "ld2r", ".8b", 0, false, 0 }, 423 { AArch64::LD2Rv4h, "ld2r", ".4h", 0, false, 0 }, 424 { AArch64::LD2Rv2s, "ld2r", ".2s", 0, false, 0 }, 425 { AArch64::LD2Rv1d, "ld2r", ".1d", 0, false, 0 }, 426 { AArch64::LD2Rv16b_POST, "ld2r", ".16b", 1, false, 2 }, 427 { AArch64::LD2Rv8h_POST, "ld2r", ".8h", 1, false, 4 }, 428 { AArch64::LD2Rv4s_POST, "ld2r", ".4s", 1, false, 8 }, 429 { AArch64::LD2Rv2d_POST, "ld2r", ".2d", 1, false, 16 }, 430 { AArch64::LD2Rv8b_POST, "ld2r", ".8b", 1, false, 2 }, 431 { AArch64::LD2Rv4h_POST, "ld2r", ".4h", 1, false, 4 }, 432 { AArch64::LD2Rv2s_POST, "ld2r", ".2s", 1, false, 8 }, 433 { AArch64::LD2Rv1d_POST, "ld2r", ".1d", 1, false, 16 }, 434 { AArch64::LD2Twov16b, "ld2", ".16b", 0, false, 0 }, 435 { AArch64::LD2Twov8h, "ld2", ".8h", 0, false, 0 }, 436 { AArch64::LD2Twov4s, "ld2", ".4s", 0, false, 0 }, 437 { AArch64::LD2Twov2d, "ld2", ".2d", 0, false, 0 }, 438 { AArch64::LD2Twov8b, "ld2", ".8b", 0, false, 0 }, 439 { AArch64::LD2Twov4h, "ld2", ".4h", 0, false, 0 }, 440 { AArch64::LD2Twov2s, "ld2", ".2s", 0, false, 0 }, 441 { AArch64::LD2Twov16b_POST, "ld2", ".16b", 1, false, 32 }, 442 { AArch64::LD2Twov8h_POST, "ld2", ".8h", 1, false, 32 }, 443 { AArch64::LD2Twov4s_POST, "ld2", ".4s", 1, false, 32 }, 444 { AArch64::LD2Twov2d_POST, "ld2", ".2d", 1, false, 32 }, 445 { AArch64::LD2Twov8b_POST, "ld2", ".8b", 1, false, 16 }, 446 { AArch64::LD2Twov4h_POST, "ld2", ".4h", 1, false, 16 }, 447 { AArch64::LD2Twov2s_POST, "ld2", ".2s", 1, false, 16 }, 448 { AArch64::LD3i8, "ld3", ".b", 1, true, 0 }, 449 { AArch64::LD3i16, "ld3", ".h", 1, true, 0 }, 450 { AArch64::LD3i32, "ld3", ".s", 1, true, 0 }, 451 { AArch64::LD3i64, "ld3", ".d", 1, true, 0 }, 452 { AArch64::LD3i8_POST, "ld3", ".b", 2, true, 3 }, 453 { AArch64::LD3i16_POST, "ld3", ".h", 2, true, 6 }, 454 { AArch64::LD3i32_POST, "ld3", ".s", 2, true, 12 }, 455 { AArch64::LD3i64_POST, "ld3", ".d", 2, true, 24 }, 456 { AArch64::LD3Rv16b, "ld3r", ".16b", 0, false, 0 }, 457 { AArch64::LD3Rv8h, "ld3r", ".8h", 0, false, 0 }, 458 { AArch64::LD3Rv4s, "ld3r", ".4s", 0, false, 0 }, 459 { AArch64::LD3Rv2d, "ld3r", ".2d", 0, false, 0 }, 460 { AArch64::LD3Rv8b, "ld3r", ".8b", 0, false, 0 }, 461 { AArch64::LD3Rv4h, "ld3r", ".4h", 0, false, 0 }, 462 { AArch64::LD3Rv2s, "ld3r", ".2s", 0, false, 0 }, 463 { AArch64::LD3Rv1d, "ld3r", ".1d", 0, false, 0 }, 464 { AArch64::LD3Rv16b_POST, "ld3r", ".16b", 1, false, 3 }, 465 { AArch64::LD3Rv8h_POST, "ld3r", ".8h", 1, false, 6 }, 466 { AArch64::LD3Rv4s_POST, "ld3r", ".4s", 1, false, 12 }, 467 { AArch64::LD3Rv2d_POST, "ld3r", ".2d", 1, false, 24 }, 468 { AArch64::LD3Rv8b_POST, "ld3r", ".8b", 1, false, 3 }, 469 { AArch64::LD3Rv4h_POST, "ld3r", ".4h", 1, false, 6 }, 470 { AArch64::LD3Rv2s_POST, "ld3r", ".2s", 1, false, 12 }, 471 { AArch64::LD3Rv1d_POST, "ld3r", ".1d", 1, false, 24 }, 472 { AArch64::LD3Threev16b, "ld3", ".16b", 0, false, 0 }, 473 { AArch64::LD3Threev8h, "ld3", ".8h", 0, false, 0 }, 474 { AArch64::LD3Threev4s, "ld3", ".4s", 0, false, 0 }, 475 { AArch64::LD3Threev2d, "ld3", ".2d", 0, false, 0 }, 476 { AArch64::LD3Threev8b, "ld3", ".8b", 0, false, 0 }, 477 { AArch64::LD3Threev4h, "ld3", ".4h", 0, false, 0 }, 478 { AArch64::LD3Threev2s, "ld3", ".2s", 0, false, 0 }, 479 { AArch64::LD3Threev16b_POST, "ld3", ".16b", 1, false, 48 }, 480 { AArch64::LD3Threev8h_POST, "ld3", ".8h", 1, false, 48 }, 481 { AArch64::LD3Threev4s_POST, "ld3", ".4s", 1, false, 48 }, 482 { AArch64::LD3Threev2d_POST, "ld3", ".2d", 1, false, 48 }, 483 { AArch64::LD3Threev8b_POST, "ld3", ".8b", 1, false, 24 }, 484 { AArch64::LD3Threev4h_POST, "ld3", ".4h", 1, false, 24 }, 485 { AArch64::LD3Threev2s_POST, "ld3", ".2s", 1, false, 24 }, 486 { AArch64::LD4i8, "ld4", ".b", 1, true, 0 }, 487 { AArch64::LD4i16, "ld4", ".h", 1, true, 0 }, 488 { AArch64::LD4i32, "ld4", ".s", 1, true, 0 }, 489 { AArch64::LD4i64, "ld4", ".d", 1, true, 0 }, 490 { AArch64::LD4i8_POST, "ld4", ".b", 2, true, 4 }, 491 { AArch64::LD4i16_POST, "ld4", ".h", 2, true, 8 }, 492 { AArch64::LD4i32_POST, "ld4", ".s", 2, true, 16 }, 493 { AArch64::LD4i64_POST, "ld4", ".d", 2, true, 32 }, 494 { AArch64::LD4Rv16b, "ld4r", ".16b", 0, false, 0 }, 495 { AArch64::LD4Rv8h, "ld4r", ".8h", 0, false, 0 }, 496 { AArch64::LD4Rv4s, "ld4r", ".4s", 0, false, 0 }, 497 { AArch64::LD4Rv2d, "ld4r", ".2d", 0, false, 0 }, 498 { AArch64::LD4Rv8b, "ld4r", ".8b", 0, false, 0 }, 499 { AArch64::LD4Rv4h, "ld4r", ".4h", 0, false, 0 }, 500 { AArch64::LD4Rv2s, "ld4r", ".2s", 0, false, 0 }, 501 { AArch64::LD4Rv1d, "ld4r", ".1d", 0, false, 0 }, 502 { AArch64::LD4Rv16b_POST, "ld4r", ".16b", 1, false, 4 }, 503 { AArch64::LD4Rv8h_POST, "ld4r", ".8h", 1, false, 8 }, 504 { AArch64::LD4Rv4s_POST, "ld4r", ".4s", 1, false, 16 }, 505 { AArch64::LD4Rv2d_POST, "ld4r", ".2d", 1, false, 32 }, 506 { AArch64::LD4Rv8b_POST, "ld4r", ".8b", 1, false, 4 }, 507 { AArch64::LD4Rv4h_POST, "ld4r", ".4h", 1, false, 8 }, 508 { AArch64::LD4Rv2s_POST, "ld4r", ".2s", 1, false, 16 }, 509 { AArch64::LD4Rv1d_POST, "ld4r", ".1d", 1, false, 32 }, 510 { AArch64::LD4Fourv16b, "ld4", ".16b", 0, false, 0 }, 511 { AArch64::LD4Fourv8h, "ld4", ".8h", 0, false, 0 }, 512 { AArch64::LD4Fourv4s, "ld4", ".4s", 0, false, 0 }, 513 { AArch64::LD4Fourv2d, "ld4", ".2d", 0, false, 0 }, 514 { AArch64::LD4Fourv8b, "ld4", ".8b", 0, false, 0 }, 515 { AArch64::LD4Fourv4h, "ld4", ".4h", 0, false, 0 }, 516 { AArch64::LD4Fourv2s, "ld4", ".2s", 0, false, 0 }, 517 { AArch64::LD4Fourv16b_POST, "ld4", ".16b", 1, false, 64 }, 518 { AArch64::LD4Fourv8h_POST, "ld4", ".8h", 1, false, 64 }, 519 { AArch64::LD4Fourv4s_POST, "ld4", ".4s", 1, false, 64 }, 520 { AArch64::LD4Fourv2d_POST, "ld4", ".2d", 1, false, 64 }, 521 { AArch64::LD4Fourv8b_POST, "ld4", ".8b", 1, false, 32 }, 522 { AArch64::LD4Fourv4h_POST, "ld4", ".4h", 1, false, 32 }, 523 { AArch64::LD4Fourv2s_POST, "ld4", ".2s", 1, false, 32 }, 524 { AArch64::ST1i8, "st1", ".b", 0, true, 0 }, 525 { AArch64::ST1i16, "st1", ".h", 0, true, 0 }, 526 { AArch64::ST1i32, "st1", ".s", 0, true, 0 }, 527 { AArch64::ST1i64, "st1", ".d", 0, true, 0 }, 528 { AArch64::ST1i8_POST, "st1", ".b", 1, true, 1 }, 529 { AArch64::ST1i16_POST, "st1", ".h", 1, true, 2 }, 530 { AArch64::ST1i32_POST, "st1", ".s", 1, true, 4 }, 531 { AArch64::ST1i64_POST, "st1", ".d", 1, true, 8 }, 532 { AArch64::ST1Onev16b, "st1", ".16b", 0, false, 0 }, 533 { AArch64::ST1Onev8h, "st1", ".8h", 0, false, 0 }, 534 { AArch64::ST1Onev4s, "st1", ".4s", 0, false, 0 }, 535 { AArch64::ST1Onev2d, "st1", ".2d", 0, false, 0 }, 536 { AArch64::ST1Onev8b, "st1", ".8b", 0, false, 0 }, 537 { AArch64::ST1Onev4h, "st1", ".4h", 0, false, 0 }, 538 { AArch64::ST1Onev2s, "st1", ".2s", 0, false, 0 }, 539 { AArch64::ST1Onev1d, "st1", ".1d", 0, false, 0 }, 540 { AArch64::ST1Onev16b_POST, "st1", ".16b", 1, false, 16 }, 541 { AArch64::ST1Onev8h_POST, "st1", ".8h", 1, false, 16 }, 542 { AArch64::ST1Onev4s_POST, "st1", ".4s", 1, false, 16 }, 543 { AArch64::ST1Onev2d_POST, "st1", ".2d", 1, false, 16 }, 544 { AArch64::ST1Onev8b_POST, "st1", ".8b", 1, false, 8 }, 545 { AArch64::ST1Onev4h_POST, "st1", ".4h", 1, false, 8 }, 546 { AArch64::ST1Onev2s_POST, "st1", ".2s", 1, false, 8 }, 547 { AArch64::ST1Onev1d_POST, "st1", ".1d", 1, false, 8 }, 548 { AArch64::ST1Twov16b, "st1", ".16b", 0, false, 0 }, 549 { AArch64::ST1Twov8h, "st1", ".8h", 0, false, 0 }, 550 { AArch64::ST1Twov4s, "st1", ".4s", 0, false, 0 }, 551 { AArch64::ST1Twov2d, "st1", ".2d", 0, false, 0 }, 552 { AArch64::ST1Twov8b, "st1", ".8b", 0, false, 0 }, 553 { AArch64::ST1Twov4h, "st1", ".4h", 0, false, 0 }, 554 { AArch64::ST1Twov2s, "st1", ".2s", 0, false, 0 }, 555 { AArch64::ST1Twov1d, "st1", ".1d", 0, false, 0 }, 556 { AArch64::ST1Twov16b_POST, "st1", ".16b", 1, false, 32 }, 557 { AArch64::ST1Twov8h_POST, "st1", ".8h", 1, false, 32 }, 558 { AArch64::ST1Twov4s_POST, "st1", ".4s", 1, false, 32 }, 559 { AArch64::ST1Twov2d_POST, "st1", ".2d", 1, false, 32 }, 560 { AArch64::ST1Twov8b_POST, "st1", ".8b", 1, false, 16 }, 561 { AArch64::ST1Twov4h_POST, "st1", ".4h", 1, false, 16 }, 562 { AArch64::ST1Twov2s_POST, "st1", ".2s", 1, false, 16 }, 563 { AArch64::ST1Twov1d_POST, "st1", ".1d", 1, false, 16 }, 564 { AArch64::ST1Threev16b, "st1", ".16b", 0, false, 0 }, 565 { AArch64::ST1Threev8h, "st1", ".8h", 0, false, 0 }, 566 { AArch64::ST1Threev4s, "st1", ".4s", 0, false, 0 }, 567 { AArch64::ST1Threev2d, "st1", ".2d", 0, false, 0 }, 568 { AArch64::ST1Threev8b, "st1", ".8b", 0, false, 0 }, 569 { AArch64::ST1Threev4h, "st1", ".4h", 0, false, 0 }, 570 { AArch64::ST1Threev2s, "st1", ".2s", 0, false, 0 }, 571 { AArch64::ST1Threev1d, "st1", ".1d", 0, false, 0 }, 572 { AArch64::ST1Threev16b_POST, "st1", ".16b", 1, false, 48 }, 573 { AArch64::ST1Threev8h_POST, "st1", ".8h", 1, false, 48 }, 574 { AArch64::ST1Threev4s_POST, "st1", ".4s", 1, false, 48 }, 575 { AArch64::ST1Threev2d_POST, "st1", ".2d", 1, false, 48 }, 576 { AArch64::ST1Threev8b_POST, "st1", ".8b", 1, false, 24 }, 577 { AArch64::ST1Threev4h_POST, "st1", ".4h", 1, false, 24 }, 578 { AArch64::ST1Threev2s_POST, "st1", ".2s", 1, false, 24 }, 579 { AArch64::ST1Threev1d_POST, "st1", ".1d", 1, false, 24 }, 580 { AArch64::ST1Fourv16b, "st1", ".16b", 0, false, 0 }, 581 { AArch64::ST1Fourv8h, "st1", ".8h", 0, false, 0 }, 582 { AArch64::ST1Fourv4s, "st1", ".4s", 0, false, 0 }, 583 { AArch64::ST1Fourv2d, "st1", ".2d", 0, false, 0 }, 584 { AArch64::ST1Fourv8b, "st1", ".8b", 0, false, 0 }, 585 { AArch64::ST1Fourv4h, "st1", ".4h", 0, false, 0 }, 586 { AArch64::ST1Fourv2s, "st1", ".2s", 0, false, 0 }, 587 { AArch64::ST1Fourv1d, "st1", ".1d", 0, false, 0 }, 588 { AArch64::ST1Fourv16b_POST, "st1", ".16b", 1, false, 64 }, 589 { AArch64::ST1Fourv8h_POST, "st1", ".8h", 1, false, 64 }, 590 { AArch64::ST1Fourv4s_POST, "st1", ".4s", 1, false, 64 }, 591 { AArch64::ST1Fourv2d_POST, "st1", ".2d", 1, false, 64 }, 592 { AArch64::ST1Fourv8b_POST, "st1", ".8b", 1, false, 32 }, 593 { AArch64::ST1Fourv4h_POST, "st1", ".4h", 1, false, 32 }, 594 { AArch64::ST1Fourv2s_POST, "st1", ".2s", 1, false, 32 }, 595 { AArch64::ST1Fourv1d_POST, "st1", ".1d", 1, false, 32 }, 596 { AArch64::ST2i8, "st2", ".b", 0, true, 0 }, 597 { AArch64::ST2i16, "st2", ".h", 0, true, 0 }, 598 { AArch64::ST2i32, "st2", ".s", 0, true, 0 }, 599 { AArch64::ST2i64, "st2", ".d", 0, true, 0 }, 600 { AArch64::ST2i8_POST, "st2", ".b", 1, true, 2 }, 601 { AArch64::ST2i16_POST, "st2", ".h", 1, true, 4 }, 602 { AArch64::ST2i32_POST, "st2", ".s", 1, true, 8 }, 603 { AArch64::ST2i64_POST, "st2", ".d", 1, true, 16 }, 604 { AArch64::ST2Twov16b, "st2", ".16b", 0, false, 0 }, 605 { AArch64::ST2Twov8h, "st2", ".8h", 0, false, 0 }, 606 { AArch64::ST2Twov4s, "st2", ".4s", 0, false, 0 }, 607 { AArch64::ST2Twov2d, "st2", ".2d", 0, false, 0 }, 608 { AArch64::ST2Twov8b, "st2", ".8b", 0, false, 0 }, 609 { AArch64::ST2Twov4h, "st2", ".4h", 0, false, 0 }, 610 { AArch64::ST2Twov2s, "st2", ".2s", 0, false, 0 }, 611 { AArch64::ST2Twov16b_POST, "st2", ".16b", 1, false, 32 }, 612 { AArch64::ST2Twov8h_POST, "st2", ".8h", 1, false, 32 }, 613 { AArch64::ST2Twov4s_POST, "st2", ".4s", 1, false, 32 }, 614 { AArch64::ST2Twov2d_POST, "st2", ".2d", 1, false, 32 }, 615 { AArch64::ST2Twov8b_POST, "st2", ".8b", 1, false, 16 }, 616 { AArch64::ST2Twov4h_POST, "st2", ".4h", 1, false, 16 }, 617 { AArch64::ST2Twov2s_POST, "st2", ".2s", 1, false, 16 }, 618 { AArch64::ST3i8, "st3", ".b", 0, true, 0 }, 619 { AArch64::ST3i16, "st3", ".h", 0, true, 0 }, 620 { AArch64::ST3i32, "st3", ".s", 0, true, 0 }, 621 { AArch64::ST3i64, "st3", ".d", 0, true, 0 }, 622 { AArch64::ST3i8_POST, "st3", ".b", 1, true, 3 }, 623 { AArch64::ST3i16_POST, "st3", ".h", 1, true, 6 }, 624 { AArch64::ST3i32_POST, "st3", ".s", 1, true, 12 }, 625 { AArch64::ST3i64_POST, "st3", ".d", 1, true, 24 }, 626 { AArch64::ST3Threev16b, "st3", ".16b", 0, false, 0 }, 627 { AArch64::ST3Threev8h, "st3", ".8h", 0, false, 0 }, 628 { AArch64::ST3Threev4s, "st3", ".4s", 0, false, 0 }, 629 { AArch64::ST3Threev2d, "st3", ".2d", 0, false, 0 }, 630 { AArch64::ST3Threev8b, "st3", ".8b", 0, false, 0 }, 631 { AArch64::ST3Threev4h, "st3", ".4h", 0, false, 0 }, 632 { AArch64::ST3Threev2s, "st3", ".2s", 0, false, 0 }, 633 { AArch64::ST3Threev16b_POST, "st3", ".16b", 1, false, 48 }, 634 { AArch64::ST3Threev8h_POST, "st3", ".8h", 1, false, 48 }, 635 { AArch64::ST3Threev4s_POST, "st3", ".4s", 1, false, 48 }, 636 { AArch64::ST3Threev2d_POST, "st3", ".2d", 1, false, 48 }, 637 { AArch64::ST3Threev8b_POST, "st3", ".8b", 1, false, 24 }, 638 { AArch64::ST3Threev4h_POST, "st3", ".4h", 1, false, 24 }, 639 { AArch64::ST3Threev2s_POST, "st3", ".2s", 1, false, 24 }, 640 { AArch64::ST4i8, "st4", ".b", 0, true, 0 }, 641 { AArch64::ST4i16, "st4", ".h", 0, true, 0 }, 642 { AArch64::ST4i32, "st4", ".s", 0, true, 0 }, 643 { AArch64::ST4i64, "st4", ".d", 0, true, 0 }, 644 { AArch64::ST4i8_POST, "st4", ".b", 1, true, 4 }, 645 { AArch64::ST4i16_POST, "st4", ".h", 1, true, 8 }, 646 { AArch64::ST4i32_POST, "st4", ".s", 1, true, 16 }, 647 { AArch64::ST4i64_POST, "st4", ".d", 1, true, 32 }, 648 { AArch64::ST4Fourv16b, "st4", ".16b", 0, false, 0 }, 649 { AArch64::ST4Fourv8h, "st4", ".8h", 0, false, 0 }, 650 { AArch64::ST4Fourv4s, "st4", ".4s", 0, false, 0 }, 651 { AArch64::ST4Fourv2d, "st4", ".2d", 0, false, 0 }, 652 { AArch64::ST4Fourv8b, "st4", ".8b", 0, false, 0 }, 653 { AArch64::ST4Fourv4h, "st4", ".4h", 0, false, 0 }, 654 { AArch64::ST4Fourv2s, "st4", ".2s", 0, false, 0 }, 655 { AArch64::ST4Fourv16b_POST, "st4", ".16b", 1, false, 64 }, 656 { AArch64::ST4Fourv8h_POST, "st4", ".8h", 1, false, 64 }, 657 { AArch64::ST4Fourv4s_POST, "st4", ".4s", 1, false, 64 }, 658 { AArch64::ST4Fourv2d_POST, "st4", ".2d", 1, false, 64 }, 659 { AArch64::ST4Fourv8b_POST, "st4", ".8b", 1, false, 32 }, 660 { AArch64::ST4Fourv4h_POST, "st4", ".4h", 1, false, 32 }, 661 { AArch64::ST4Fourv2s_POST, "st4", ".2s", 1, false, 32 }, 662 }; 663 664 static const LdStNInstrDesc *getLdStNInstrDesc(unsigned Opcode) { 665 unsigned Idx; 666 for (Idx = 0; Idx != array_lengthof(LdStNInstInfo); ++Idx) 667 if (LdStNInstInfo[Idx].Opcode == Opcode) 668 return &LdStNInstInfo[Idx]; 669 670 return nullptr; 671 } 672 673 void AArch64AppleInstPrinter::printInst(const MCInst *MI, raw_ostream &O, 674 StringRef Annot, 675 const MCSubtargetInfo &STI) { 676 unsigned Opcode = MI->getOpcode(); 677 StringRef Layout, Mnemonic; 678 679 bool IsTbx; 680 if (isTblTbxInstruction(MI->getOpcode(), Layout, IsTbx)) { 681 O << "\t" << (IsTbx ? "tbx" : "tbl") << Layout << '\t' 682 << getRegisterName(MI->getOperand(0).getReg(), AArch64::vreg) << ", "; 683 684 unsigned ListOpNum = IsTbx ? 2 : 1; 685 printVectorList(MI, ListOpNum, STI, O, ""); 686 687 O << ", " 688 << getRegisterName(MI->getOperand(ListOpNum + 1).getReg(), AArch64::vreg); 689 printAnnotation(O, Annot); 690 return; 691 } 692 693 if (const LdStNInstrDesc *LdStDesc = getLdStNInstrDesc(Opcode)) { 694 O << "\t" << LdStDesc->Mnemonic << LdStDesc->Layout << '\t'; 695 696 // Now onto the operands: first a vector list with possible lane 697 // specifier. E.g. { v0 }[2] 698 int OpNum = LdStDesc->ListOperand; 699 printVectorList(MI, OpNum++, STI, O, ""); 700 701 if (LdStDesc->HasLane) 702 O << '[' << MI->getOperand(OpNum++).getImm() << ']'; 703 704 // Next the address: [xN] 705 unsigned AddrReg = MI->getOperand(OpNum++).getReg(); 706 O << ", [" << getRegisterName(AddrReg) << ']'; 707 708 // Finally, there might be a post-indexed offset. 709 if (LdStDesc->NaturalOffset != 0) { 710 unsigned Reg = MI->getOperand(OpNum++).getReg(); 711 if (Reg != AArch64::XZR) 712 O << ", " << getRegisterName(Reg); 713 else { 714 assert(LdStDesc->NaturalOffset && "no offset on post-inc instruction?"); 715 O << ", #" << LdStDesc->NaturalOffset; 716 } 717 } 718 719 printAnnotation(O, Annot); 720 return; 721 } 722 723 AArch64InstPrinter::printInst(MI, O, Annot, STI); 724 } 725 726 bool AArch64InstPrinter::printSysAlias(const MCInst *MI, 727 const MCSubtargetInfo &STI, 728 raw_ostream &O) { 729 #ifndef NDEBUG 730 unsigned Opcode = MI->getOpcode(); 731 assert(Opcode == AArch64::SYSxt && "Invalid opcode for SYS alias!"); 732 #endif 733 734 const char *Asm = nullptr; 735 const MCOperand &Op1 = MI->getOperand(0); 736 const MCOperand &Cn = MI->getOperand(1); 737 const MCOperand &Cm = MI->getOperand(2); 738 const MCOperand &Op2 = MI->getOperand(3); 739 740 unsigned Op1Val = Op1.getImm(); 741 unsigned CnVal = Cn.getImm(); 742 unsigned CmVal = Cm.getImm(); 743 unsigned Op2Val = Op2.getImm(); 744 745 if (CnVal == 7) { 746 switch (CmVal) { 747 default: 748 break; 749 750 // IC aliases 751 case 1: 752 if (Op1Val == 0 && Op2Val == 0) 753 Asm = "ic\tialluis"; 754 break; 755 case 5: 756 if (Op1Val == 0 && Op2Val == 0) 757 Asm = "ic\tiallu"; 758 else if (Op1Val == 3 && Op2Val == 1) 759 Asm = "ic\tivau"; 760 break; 761 762 // DC aliases 763 case 4: 764 if (Op1Val == 3 && Op2Val == 1) 765 Asm = "dc\tzva"; 766 break; 767 case 6: 768 if (Op1Val == 0 && Op2Val == 1) 769 Asm = "dc\tivac"; 770 if (Op1Val == 0 && Op2Val == 2) 771 Asm = "dc\tisw"; 772 break; 773 case 10: 774 if (Op1Val == 3 && Op2Val == 1) 775 Asm = "dc\tcvac"; 776 else if (Op1Val == 0 && Op2Val == 2) 777 Asm = "dc\tcsw"; 778 break; 779 case 11: 780 if (Op1Val == 3 && Op2Val == 1) 781 Asm = "dc\tcvau"; 782 break; 783 case 12: 784 if (Op1Val == 3 && Op2Val == 1 && 785 (STI.getFeatureBits()[AArch64::HasV8_2aOps])) 786 Asm = "dc\tcvap"; 787 break; 788 case 14: 789 if (Op1Val == 3 && Op2Val == 1) 790 Asm = "dc\tcivac"; 791 else if (Op1Val == 0 && Op2Val == 2) 792 Asm = "dc\tcisw"; 793 break; 794 795 // AT aliases 796 case 8: 797 switch (Op1Val) { 798 default: 799 break; 800 case 0: 801 switch (Op2Val) { 802 default: 803 break; 804 case 0: Asm = "at\ts1e1r"; break; 805 case 1: Asm = "at\ts1e1w"; break; 806 case 2: Asm = "at\ts1e0r"; break; 807 case 3: Asm = "at\ts1e0w"; break; 808 } 809 break; 810 case 4: 811 switch (Op2Val) { 812 default: 813 break; 814 case 0: Asm = "at\ts1e2r"; break; 815 case 1: Asm = "at\ts1e2w"; break; 816 case 4: Asm = "at\ts12e1r"; break; 817 case 5: Asm = "at\ts12e1w"; break; 818 case 6: Asm = "at\ts12e0r"; break; 819 case 7: Asm = "at\ts12e0w"; break; 820 } 821 break; 822 case 6: 823 switch (Op2Val) { 824 default: 825 break; 826 case 0: Asm = "at\ts1e3r"; break; 827 case 1: Asm = "at\ts1e3w"; break; 828 } 829 break; 830 } 831 break; 832 case 9: 833 switch (Op1Val) { 834 default: 835 break; 836 case 0: 837 if (STI.getFeatureBits()[AArch64::HasV8_2aOps]) { 838 switch (Op2Val) { 839 default: 840 break; 841 case 0: Asm = "at\ts1e1rp"; break; 842 case 1: Asm = "at\ts1e1wp"; break; 843 } 844 } 845 break; 846 } 847 } 848 } else if (CnVal == 8) { 849 // TLBI aliases 850 switch (CmVal) { 851 default: 852 break; 853 case 3: 854 switch (Op1Val) { 855 default: 856 break; 857 case 0: 858 switch (Op2Val) { 859 default: 860 break; 861 case 0: Asm = "tlbi\tvmalle1is"; break; 862 case 1: Asm = "tlbi\tvae1is"; break; 863 case 2: Asm = "tlbi\taside1is"; break; 864 case 3: Asm = "tlbi\tvaae1is"; break; 865 case 5: Asm = "tlbi\tvale1is"; break; 866 case 7: Asm = "tlbi\tvaale1is"; break; 867 } 868 break; 869 case 4: 870 switch (Op2Val) { 871 default: 872 break; 873 case 0: Asm = "tlbi\talle2is"; break; 874 case 1: Asm = "tlbi\tvae2is"; break; 875 case 4: Asm = "tlbi\talle1is"; break; 876 case 5: Asm = "tlbi\tvale2is"; break; 877 case 6: Asm = "tlbi\tvmalls12e1is"; break; 878 } 879 break; 880 case 6: 881 switch (Op2Val) { 882 default: 883 break; 884 case 0: Asm = "tlbi\talle3is"; break; 885 case 1: Asm = "tlbi\tvae3is"; break; 886 case 5: Asm = "tlbi\tvale3is"; break; 887 } 888 break; 889 } 890 break; 891 case 0: 892 switch (Op1Val) { 893 default: 894 break; 895 case 4: 896 switch (Op2Val) { 897 default: 898 break; 899 case 1: Asm = "tlbi\tipas2e1is"; break; 900 case 5: Asm = "tlbi\tipas2le1is"; break; 901 } 902 break; 903 } 904 break; 905 case 4: 906 switch (Op1Val) { 907 default: 908 break; 909 case 4: 910 switch (Op2Val) { 911 default: 912 break; 913 case 1: Asm = "tlbi\tipas2e1"; break; 914 case 5: Asm = "tlbi\tipas2le1"; break; 915 } 916 break; 917 } 918 break; 919 case 7: 920 switch (Op1Val) { 921 default: 922 break; 923 case 0: 924 switch (Op2Val) { 925 default: 926 break; 927 case 0: Asm = "tlbi\tvmalle1"; break; 928 case 1: Asm = "tlbi\tvae1"; break; 929 case 2: Asm = "tlbi\taside1"; break; 930 case 3: Asm = "tlbi\tvaae1"; break; 931 case 5: Asm = "tlbi\tvale1"; break; 932 case 7: Asm = "tlbi\tvaale1"; break; 933 } 934 break; 935 case 4: 936 switch (Op2Val) { 937 default: 938 break; 939 case 0: Asm = "tlbi\talle2"; break; 940 case 1: Asm = "tlbi\tvae2"; break; 941 case 4: Asm = "tlbi\talle1"; break; 942 case 5: Asm = "tlbi\tvale2"; break; 943 case 6: Asm = "tlbi\tvmalls12e1"; break; 944 } 945 break; 946 case 6: 947 switch (Op2Val) { 948 default: 949 break; 950 case 0: Asm = "tlbi\talle3"; break; 951 case 1: Asm = "tlbi\tvae3"; break; 952 case 5: Asm = "tlbi\tvale3"; break; 953 } 954 break; 955 } 956 break; 957 } 958 } 959 960 if (Asm) { 961 unsigned Reg = MI->getOperand(4).getReg(); 962 963 O << '\t' << Asm; 964 if (StringRef(Asm).lower().find("all") == StringRef::npos) 965 O << ", " << getRegisterName(Reg); 966 } 967 968 return Asm != nullptr; 969 } 970 971 void AArch64InstPrinter::printOperand(const MCInst *MI, unsigned OpNo, 972 const MCSubtargetInfo &STI, 973 raw_ostream &O) { 974 const MCOperand &Op = MI->getOperand(OpNo); 975 if (Op.isReg()) { 976 unsigned Reg = Op.getReg(); 977 O << getRegisterName(Reg); 978 } else if (Op.isImm()) { 979 printImm(MI, OpNo, STI, O); 980 } else { 981 assert(Op.isExpr() && "unknown operand kind in printOperand"); 982 Op.getExpr()->print(O, &MAI); 983 } 984 } 985 986 void AArch64InstPrinter::printImm(const MCInst *MI, unsigned OpNo, 987 const MCSubtargetInfo &STI, 988 raw_ostream &O) { 989 const MCOperand &Op = MI->getOperand(OpNo); 990 O << "#" << formatImm(Op.getImm()); 991 } 992 993 void AArch64InstPrinter::printImmHex(const MCInst *MI, unsigned OpNo, 994 const MCSubtargetInfo &STI, 995 raw_ostream &O) { 996 const MCOperand &Op = MI->getOperand(OpNo); 997 O << format("#%#llx", Op.getImm()); 998 } 999 1000 void AArch64InstPrinter::printPostIncOperand(const MCInst *MI, unsigned OpNo, 1001 unsigned Imm, raw_ostream &O) { 1002 const MCOperand &Op = MI->getOperand(OpNo); 1003 if (Op.isReg()) { 1004 unsigned Reg = Op.getReg(); 1005 if (Reg == AArch64::XZR) 1006 O << "#" << Imm; 1007 else 1008 O << getRegisterName(Reg); 1009 } else 1010 llvm_unreachable("unknown operand kind in printPostIncOperand64"); 1011 } 1012 1013 void AArch64InstPrinter::printVRegOperand(const MCInst *MI, unsigned OpNo, 1014 const MCSubtargetInfo &STI, 1015 raw_ostream &O) { 1016 const MCOperand &Op = MI->getOperand(OpNo); 1017 assert(Op.isReg() && "Non-register vreg operand!"); 1018 unsigned Reg = Op.getReg(); 1019 O << getRegisterName(Reg, AArch64::vreg); 1020 } 1021 1022 void AArch64InstPrinter::printSysCROperand(const MCInst *MI, unsigned OpNo, 1023 const MCSubtargetInfo &STI, 1024 raw_ostream &O) { 1025 const MCOperand &Op = MI->getOperand(OpNo); 1026 assert(Op.isImm() && "System instruction C[nm] operands must be immediates!"); 1027 O << "c" << Op.getImm(); 1028 } 1029 1030 void AArch64InstPrinter::printAddSubImm(const MCInst *MI, unsigned OpNum, 1031 const MCSubtargetInfo &STI, 1032 raw_ostream &O) { 1033 const MCOperand &MO = MI->getOperand(OpNum); 1034 if (MO.isImm()) { 1035 unsigned Val = (MO.getImm() & 0xfff); 1036 assert(Val == MO.getImm() && "Add/sub immediate out of range!"); 1037 unsigned Shift = 1038 AArch64_AM::getShiftValue(MI->getOperand(OpNum + 1).getImm()); 1039 O << '#' << formatImm(Val); 1040 if (Shift != 0) 1041 printShifter(MI, OpNum + 1, STI, O); 1042 1043 if (CommentStream) 1044 *CommentStream << '=' << formatImm(Val << Shift) << '\n'; 1045 } else { 1046 assert(MO.isExpr() && "Unexpected operand type!"); 1047 MO.getExpr()->print(O, &MAI); 1048 printShifter(MI, OpNum + 1, STI, O); 1049 } 1050 } 1051 1052 void AArch64InstPrinter::printLogicalImm32(const MCInst *MI, unsigned OpNum, 1053 const MCSubtargetInfo &STI, 1054 raw_ostream &O) { 1055 uint64_t Val = MI->getOperand(OpNum).getImm(); 1056 O << "#0x"; 1057 O.write_hex(AArch64_AM::decodeLogicalImmediate(Val, 32)); 1058 } 1059 1060 void AArch64InstPrinter::printLogicalImm64(const MCInst *MI, unsigned OpNum, 1061 const MCSubtargetInfo &STI, 1062 raw_ostream &O) { 1063 uint64_t Val = MI->getOperand(OpNum).getImm(); 1064 O << "#0x"; 1065 O.write_hex(AArch64_AM::decodeLogicalImmediate(Val, 64)); 1066 } 1067 1068 void AArch64InstPrinter::printShifter(const MCInst *MI, unsigned OpNum, 1069 const MCSubtargetInfo &STI, 1070 raw_ostream &O) { 1071 unsigned Val = MI->getOperand(OpNum).getImm(); 1072 // LSL #0 should not be printed. 1073 if (AArch64_AM::getShiftType(Val) == AArch64_AM::LSL && 1074 AArch64_AM::getShiftValue(Val) == 0) 1075 return; 1076 O << ", " << AArch64_AM::getShiftExtendName(AArch64_AM::getShiftType(Val)) 1077 << " #" << AArch64_AM::getShiftValue(Val); 1078 } 1079 1080 void AArch64InstPrinter::printShiftedRegister(const MCInst *MI, unsigned OpNum, 1081 const MCSubtargetInfo &STI, 1082 raw_ostream &O) { 1083 O << getRegisterName(MI->getOperand(OpNum).getReg()); 1084 printShifter(MI, OpNum + 1, STI, O); 1085 } 1086 1087 void AArch64InstPrinter::printExtendedRegister(const MCInst *MI, unsigned OpNum, 1088 const MCSubtargetInfo &STI, 1089 raw_ostream &O) { 1090 O << getRegisterName(MI->getOperand(OpNum).getReg()); 1091 printArithExtend(MI, OpNum + 1, STI, O); 1092 } 1093 1094 void AArch64InstPrinter::printArithExtend(const MCInst *MI, unsigned OpNum, 1095 const MCSubtargetInfo &STI, 1096 raw_ostream &O) { 1097 unsigned Val = MI->getOperand(OpNum).getImm(); 1098 AArch64_AM::ShiftExtendType ExtType = AArch64_AM::getArithExtendType(Val); 1099 unsigned ShiftVal = AArch64_AM::getArithShiftValue(Val); 1100 1101 // If the destination or first source register operand is [W]SP, print 1102 // UXTW/UXTX as LSL, and if the shift amount is also zero, print nothing at 1103 // all. 1104 if (ExtType == AArch64_AM::UXTW || ExtType == AArch64_AM::UXTX) { 1105 unsigned Dest = MI->getOperand(0).getReg(); 1106 unsigned Src1 = MI->getOperand(1).getReg(); 1107 if ( ((Dest == AArch64::SP || Src1 == AArch64::SP) && 1108 ExtType == AArch64_AM::UXTX) || 1109 ((Dest == AArch64::WSP || Src1 == AArch64::WSP) && 1110 ExtType == AArch64_AM::UXTW) ) { 1111 if (ShiftVal != 0) 1112 O << ", lsl #" << ShiftVal; 1113 return; 1114 } 1115 } 1116 O << ", " << AArch64_AM::getShiftExtendName(ExtType); 1117 if (ShiftVal != 0) 1118 O << " #" << ShiftVal; 1119 } 1120 1121 void AArch64InstPrinter::printMemExtend(const MCInst *MI, unsigned OpNum, 1122 raw_ostream &O, char SrcRegKind, 1123 unsigned Width) { 1124 unsigned SignExtend = MI->getOperand(OpNum).getImm(); 1125 unsigned DoShift = MI->getOperand(OpNum + 1).getImm(); 1126 1127 // sxtw, sxtx, uxtw or lsl (== uxtx) 1128 bool IsLSL = !SignExtend && SrcRegKind == 'x'; 1129 if (IsLSL) 1130 O << "lsl"; 1131 else 1132 O << (SignExtend ? 's' : 'u') << "xt" << SrcRegKind; 1133 1134 if (DoShift || IsLSL) 1135 O << " #" << Log2_32(Width / 8); 1136 } 1137 1138 void AArch64InstPrinter::printCondCode(const MCInst *MI, unsigned OpNum, 1139 const MCSubtargetInfo &STI, 1140 raw_ostream &O) { 1141 AArch64CC::CondCode CC = (AArch64CC::CondCode)MI->getOperand(OpNum).getImm(); 1142 O << AArch64CC::getCondCodeName(CC); 1143 } 1144 1145 void AArch64InstPrinter::printInverseCondCode(const MCInst *MI, unsigned OpNum, 1146 const MCSubtargetInfo &STI, 1147 raw_ostream &O) { 1148 AArch64CC::CondCode CC = (AArch64CC::CondCode)MI->getOperand(OpNum).getImm(); 1149 O << AArch64CC::getCondCodeName(AArch64CC::getInvertedCondCode(CC)); 1150 } 1151 1152 void AArch64InstPrinter::printAMNoIndex(const MCInst *MI, unsigned OpNum, 1153 const MCSubtargetInfo &STI, 1154 raw_ostream &O) { 1155 O << '[' << getRegisterName(MI->getOperand(OpNum).getReg()) << ']'; 1156 } 1157 1158 template<int Scale> 1159 void AArch64InstPrinter::printImmScale(const MCInst *MI, unsigned OpNum, 1160 const MCSubtargetInfo &STI, 1161 raw_ostream &O) { 1162 O << '#' << formatImm(Scale * MI->getOperand(OpNum).getImm()); 1163 } 1164 1165 void AArch64InstPrinter::printUImm12Offset(const MCInst *MI, unsigned OpNum, 1166 unsigned Scale, raw_ostream &O) { 1167 const MCOperand MO = MI->getOperand(OpNum); 1168 if (MO.isImm()) { 1169 O << "#" << formatImm(MO.getImm() * Scale); 1170 } else { 1171 assert(MO.isExpr() && "Unexpected operand type!"); 1172 MO.getExpr()->print(O, &MAI); 1173 } 1174 } 1175 1176 void AArch64InstPrinter::printAMIndexedWB(const MCInst *MI, unsigned OpNum, 1177 unsigned Scale, raw_ostream &O) { 1178 const MCOperand MO1 = MI->getOperand(OpNum + 1); 1179 O << '[' << getRegisterName(MI->getOperand(OpNum).getReg()); 1180 if (MO1.isImm()) { 1181 O << ", #" << formatImm(MO1.getImm() * Scale); 1182 } else { 1183 assert(MO1.isExpr() && "Unexpected operand type!"); 1184 O << ", "; 1185 MO1.getExpr()->print(O, &MAI); 1186 } 1187 O << ']'; 1188 } 1189 1190 void AArch64InstPrinter::printPrefetchOp(const MCInst *MI, unsigned OpNum, 1191 const MCSubtargetInfo &STI, 1192 raw_ostream &O) { 1193 unsigned prfop = MI->getOperand(OpNum).getImm(); 1194 auto PRFM = AArch64PRFM::lookupPRFMByEncoding(prfop); 1195 if (PRFM) 1196 O << PRFM->Name; 1197 else 1198 O << '#' << formatImm(prfop); 1199 } 1200 1201 void AArch64InstPrinter::printPSBHintOp(const MCInst *MI, unsigned OpNum, 1202 const MCSubtargetInfo &STI, 1203 raw_ostream &O) { 1204 unsigned psbhintop = MI->getOperand(OpNum).getImm(); 1205 auto PSB = AArch64PSBHint::lookupPSBByEncoding(psbhintop); 1206 if (PSB) 1207 O << PSB->Name; 1208 else 1209 O << '#' << formatImm(psbhintop); 1210 } 1211 1212 void AArch64InstPrinter::printFPImmOperand(const MCInst *MI, unsigned OpNum, 1213 const MCSubtargetInfo &STI, 1214 raw_ostream &O) { 1215 const MCOperand &MO = MI->getOperand(OpNum); 1216 float FPImm = 1217 MO.isFPImm() ? MO.getFPImm() : AArch64_AM::getFPImmFloat(MO.getImm()); 1218 1219 // 8 decimal places are enough to perfectly represent permitted floats. 1220 O << format("#%.8f", FPImm); 1221 } 1222 1223 static unsigned getNextVectorRegister(unsigned Reg, unsigned Stride = 1) { 1224 while (Stride--) { 1225 switch (Reg) { 1226 default: 1227 llvm_unreachable("Vector register expected!"); 1228 case AArch64::Q0: Reg = AArch64::Q1; break; 1229 case AArch64::Q1: Reg = AArch64::Q2; break; 1230 case AArch64::Q2: Reg = AArch64::Q3; break; 1231 case AArch64::Q3: Reg = AArch64::Q4; break; 1232 case AArch64::Q4: Reg = AArch64::Q5; break; 1233 case AArch64::Q5: Reg = AArch64::Q6; break; 1234 case AArch64::Q6: Reg = AArch64::Q7; break; 1235 case AArch64::Q7: Reg = AArch64::Q8; break; 1236 case AArch64::Q8: Reg = AArch64::Q9; break; 1237 case AArch64::Q9: Reg = AArch64::Q10; break; 1238 case AArch64::Q10: Reg = AArch64::Q11; break; 1239 case AArch64::Q11: Reg = AArch64::Q12; break; 1240 case AArch64::Q12: Reg = AArch64::Q13; break; 1241 case AArch64::Q13: Reg = AArch64::Q14; break; 1242 case AArch64::Q14: Reg = AArch64::Q15; break; 1243 case AArch64::Q15: Reg = AArch64::Q16; break; 1244 case AArch64::Q16: Reg = AArch64::Q17; break; 1245 case AArch64::Q17: Reg = AArch64::Q18; break; 1246 case AArch64::Q18: Reg = AArch64::Q19; break; 1247 case AArch64::Q19: Reg = AArch64::Q20; break; 1248 case AArch64::Q20: Reg = AArch64::Q21; break; 1249 case AArch64::Q21: Reg = AArch64::Q22; break; 1250 case AArch64::Q22: Reg = AArch64::Q23; break; 1251 case AArch64::Q23: Reg = AArch64::Q24; break; 1252 case AArch64::Q24: Reg = AArch64::Q25; break; 1253 case AArch64::Q25: Reg = AArch64::Q26; break; 1254 case AArch64::Q26: Reg = AArch64::Q27; break; 1255 case AArch64::Q27: Reg = AArch64::Q28; break; 1256 case AArch64::Q28: Reg = AArch64::Q29; break; 1257 case AArch64::Q29: Reg = AArch64::Q30; break; 1258 case AArch64::Q30: Reg = AArch64::Q31; break; 1259 // Vector lists can wrap around. 1260 case AArch64::Q31: 1261 Reg = AArch64::Q0; 1262 break; 1263 } 1264 } 1265 return Reg; 1266 } 1267 1268 template<unsigned size> 1269 void AArch64InstPrinter::printGPRSeqPairsClassOperand(const MCInst *MI, 1270 unsigned OpNum, 1271 const MCSubtargetInfo &STI, 1272 raw_ostream &O) { 1273 static_assert(size == 64 || size == 32, 1274 "Template parameter must be either 32 or 64"); 1275 unsigned Reg = MI->getOperand(OpNum).getReg(); 1276 1277 unsigned Sube = (size == 32) ? AArch64::sube32 : AArch64::sube64; 1278 unsigned Subo = (size == 32) ? AArch64::subo32 : AArch64::subo64; 1279 1280 unsigned Even = MRI.getSubReg(Reg, Sube); 1281 unsigned Odd = MRI.getSubReg(Reg, Subo); 1282 O << getRegisterName(Even) << ", " << getRegisterName(Odd); 1283 } 1284 1285 void AArch64InstPrinter::printVectorList(const MCInst *MI, unsigned OpNum, 1286 const MCSubtargetInfo &STI, 1287 raw_ostream &O, 1288 StringRef LayoutSuffix) { 1289 unsigned Reg = MI->getOperand(OpNum).getReg(); 1290 1291 O << "{ "; 1292 1293 // Work out how many registers there are in the list (if there is an actual 1294 // list). 1295 unsigned NumRegs = 1; 1296 if (MRI.getRegClass(AArch64::DDRegClassID).contains(Reg) || 1297 MRI.getRegClass(AArch64::QQRegClassID).contains(Reg)) 1298 NumRegs = 2; 1299 else if (MRI.getRegClass(AArch64::DDDRegClassID).contains(Reg) || 1300 MRI.getRegClass(AArch64::QQQRegClassID).contains(Reg)) 1301 NumRegs = 3; 1302 else if (MRI.getRegClass(AArch64::DDDDRegClassID).contains(Reg) || 1303 MRI.getRegClass(AArch64::QQQQRegClassID).contains(Reg)) 1304 NumRegs = 4; 1305 1306 // Now forget about the list and find out what the first register is. 1307 if (unsigned FirstReg = MRI.getSubReg(Reg, AArch64::dsub0)) 1308 Reg = FirstReg; 1309 else if (unsigned FirstReg = MRI.getSubReg(Reg, AArch64::qsub0)) 1310 Reg = FirstReg; 1311 1312 // If it's a D-reg, we need to promote it to the equivalent Q-reg before 1313 // printing (otherwise getRegisterName fails). 1314 if (MRI.getRegClass(AArch64::FPR64RegClassID).contains(Reg)) { 1315 const MCRegisterClass &FPR128RC = 1316 MRI.getRegClass(AArch64::FPR128RegClassID); 1317 Reg = MRI.getMatchingSuperReg(Reg, AArch64::dsub, &FPR128RC); 1318 } 1319 1320 for (unsigned i = 0; i < NumRegs; ++i, Reg = getNextVectorRegister(Reg)) { 1321 O << getRegisterName(Reg, AArch64::vreg) << LayoutSuffix; 1322 if (i + 1 != NumRegs) 1323 O << ", "; 1324 } 1325 1326 O << " }"; 1327 } 1328 1329 void 1330 AArch64InstPrinter::printImplicitlyTypedVectorList(const MCInst *MI, 1331 unsigned OpNum, 1332 const MCSubtargetInfo &STI, 1333 raw_ostream &O) { 1334 printVectorList(MI, OpNum, STI, O, ""); 1335 } 1336 1337 template <unsigned NumLanes, char LaneKind> 1338 void AArch64InstPrinter::printTypedVectorList(const MCInst *MI, unsigned OpNum, 1339 const MCSubtargetInfo &STI, 1340 raw_ostream &O) { 1341 std::string Suffix("."); 1342 if (NumLanes) 1343 Suffix += itostr(NumLanes) + LaneKind; 1344 else 1345 Suffix += LaneKind; 1346 1347 printVectorList(MI, OpNum, STI, O, Suffix); 1348 } 1349 1350 void AArch64InstPrinter::printVectorIndex(const MCInst *MI, unsigned OpNum, 1351 const MCSubtargetInfo &STI, 1352 raw_ostream &O) { 1353 O << "[" << MI->getOperand(OpNum).getImm() << "]"; 1354 } 1355 1356 void AArch64InstPrinter::printAlignedLabel(const MCInst *MI, unsigned OpNum, 1357 const MCSubtargetInfo &STI, 1358 raw_ostream &O) { 1359 const MCOperand &Op = MI->getOperand(OpNum); 1360 1361 // If the label has already been resolved to an immediate offset (say, when 1362 // we're running the disassembler), just print the immediate. 1363 if (Op.isImm()) { 1364 O << "#" << formatImm(Op.getImm() * 4); 1365 return; 1366 } 1367 1368 // If the branch target is simply an address then print it in hex. 1369 const MCConstantExpr *BranchTarget = 1370 dyn_cast<MCConstantExpr>(MI->getOperand(OpNum).getExpr()); 1371 int64_t Address; 1372 if (BranchTarget && BranchTarget->evaluateAsAbsolute(Address)) { 1373 O << "0x"; 1374 O.write_hex(Address); 1375 } else { 1376 // Otherwise, just print the expression. 1377 MI->getOperand(OpNum).getExpr()->print(O, &MAI); 1378 } 1379 } 1380 1381 void AArch64InstPrinter::printAdrpLabel(const MCInst *MI, unsigned OpNum, 1382 const MCSubtargetInfo &STI, 1383 raw_ostream &O) { 1384 const MCOperand &Op = MI->getOperand(OpNum); 1385 1386 // If the label has already been resolved to an immediate offset (say, when 1387 // we're running the disassembler), just print the immediate. 1388 if (Op.isImm()) { 1389 O << "#" << formatImm(Op.getImm() * (1 << 12)); 1390 return; 1391 } 1392 1393 // Otherwise, just print the expression. 1394 MI->getOperand(OpNum).getExpr()->print(O, &MAI); 1395 } 1396 1397 void AArch64InstPrinter::printBarrierOption(const MCInst *MI, unsigned OpNo, 1398 const MCSubtargetInfo &STI, 1399 raw_ostream &O) { 1400 unsigned Val = MI->getOperand(OpNo).getImm(); 1401 unsigned Opcode = MI->getOpcode(); 1402 1403 StringRef Name; 1404 if (Opcode == AArch64::ISB) { 1405 auto ISB = AArch64ISB::lookupISBByEncoding(Val); 1406 Name = ISB ? ISB->Name : ""; 1407 } else { 1408 auto DB = AArch64DB::lookupDBByEncoding(Val); 1409 Name = DB ? DB->Name : ""; 1410 } 1411 if (!Name.empty()) 1412 O << Name; 1413 else 1414 O << "#" << Val; 1415 } 1416 1417 void AArch64InstPrinter::printMRSSystemRegister(const MCInst *MI, unsigned OpNo, 1418 const MCSubtargetInfo &STI, 1419 raw_ostream &O) { 1420 unsigned Val = MI->getOperand(OpNo).getImm(); 1421 1422 // Horrible hack for the one register that has identical encodings but 1423 // different names in MSR and MRS. Because of this, one of MRS and MSR is 1424 // going to get the wrong entry 1425 if (Val == AArch64SysReg::DBGDTRRX_EL0) { 1426 O << "DBGDTRRX_EL0"; 1427 return; 1428 } 1429 1430 const AArch64SysReg::SysReg *Reg = AArch64SysReg::lookupSysRegByEncoding(Val); 1431 if (Reg && Reg->Readable && Reg->haveFeatures(STI.getFeatureBits())) 1432 O << Reg->Name; 1433 else 1434 O << AArch64SysReg::genericRegisterString(Val); 1435 } 1436 1437 void AArch64InstPrinter::printMSRSystemRegister(const MCInst *MI, unsigned OpNo, 1438 const MCSubtargetInfo &STI, 1439 raw_ostream &O) { 1440 unsigned Val = MI->getOperand(OpNo).getImm(); 1441 1442 // Horrible hack for the one register that has identical encodings but 1443 // different names in MSR and MRS. Because of this, one of MRS and MSR is 1444 // going to get the wrong entry 1445 if (Val == AArch64SysReg::DBGDTRTX_EL0) { 1446 O << "DBGDTRTX_EL0"; 1447 return; 1448 } 1449 1450 const AArch64SysReg::SysReg *Reg = AArch64SysReg::lookupSysRegByEncoding(Val); 1451 if (Reg && Reg->Writeable && Reg->haveFeatures(STI.getFeatureBits())) 1452 O << Reg->Name; 1453 else 1454 O << AArch64SysReg::genericRegisterString(Val); 1455 } 1456 1457 void AArch64InstPrinter::printSystemPStateField(const MCInst *MI, unsigned OpNo, 1458 const MCSubtargetInfo &STI, 1459 raw_ostream &O) { 1460 unsigned Val = MI->getOperand(OpNo).getImm(); 1461 1462 auto PState = AArch64PState::lookupPStateByEncoding(Val); 1463 if (PState && PState->haveFeatures(STI.getFeatureBits())) 1464 O << PState->Name; 1465 else 1466 O << "#" << formatImm(Val); 1467 } 1468 1469 void AArch64InstPrinter::printSIMDType10Operand(const MCInst *MI, unsigned OpNo, 1470 const MCSubtargetInfo &STI, 1471 raw_ostream &O) { 1472 unsigned RawVal = MI->getOperand(OpNo).getImm(); 1473 uint64_t Val = AArch64_AM::decodeAdvSIMDModImmType10(RawVal); 1474 O << format("#%#016llx", Val); 1475 } 1476
