lib/Target/AArch64/Utils/AArch64BaseInfo.cpp

   1 //===-- AArch64BaseInfo.cpp - AArch64 Base encoding information------------===//
   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 file provides basic encoding and assembly information for AArch64.
  11 //
  12 //===----------------------------------------------------------------------===//
  13 #include "AArch64BaseInfo.h"
  14 #include "llvm/ADT/APFloat.h"
  15 #include "llvm/ADT/SmallVector.h"
  16 #include "llvm/ADT/StringExtras.h"
  17 #include "llvm/Support/Regex.h"
  18
  19 using namespace llvm;
  20
  21 StringRef AArch64NamedImmMapper::toString(uint32_t Value, bool &Valid) const {
  22   for (unsigned i = 0; i < NumMappings; ++i) {
  23     if (Mappings[i].Value == Value) {
  24       Valid = true;
  25       return Mappings[i].Name;
  26     }
  27   }
  28
  29   Valid = false;
  30   return StringRef();
  31 }
  32
  33 uint32_t AArch64NamedImmMapper::fromString(StringRef Name, bool &Valid) const {
  34   std::string LowerCaseName = Name.lower();
  35   for (unsigned i = 0; i < NumMappings; ++i) {
  36     if (Mappings[i].Name == LowerCaseName) {
  37       Valid = true;
  38       return Mappings[i].Value;
  39     }
  40   }
  41
  42   Valid = false;
  43   return -1;
  44 }
  45
  46 bool AArch64NamedImmMapper::validImm(uint32_t Value) const {
  47   return Value < TooBigImm;
  48 }
  49
  50 const AArch64NamedImmMapper::Mapping AArch64AT::ATMapper::ATMappings[] = {
  51   {"s1e1r", S1E1R},
  52   {"s1e2r", S1E2R},
  53   {"s1e3r", S1E3R},
  54   {"s1e1w", S1E1W},
  55   {"s1e2w", S1E2W},
  56   {"s1e3w", S1E3W},
  57   {"s1e0r", S1E0R},
  58   {"s1e0w", S1E0W},
  59   {"s12e1r", S12E1R},
  60   {"s12e1w", S12E1W},
  61   {"s12e0r", S12E0R},
  62   {"s12e0w", S12E0W},
  63 };
  64
  65 AArch64AT::ATMapper::ATMapper()
  66   : AArch64NamedImmMapper(ATMappings, 0) {}
  67
  68 const AArch64NamedImmMapper::Mapping AArch64DB::DBarrierMapper::DBarrierMappings[] = {
  69   {"oshld", OSHLD},
  70   {"oshst", OSHST},
  71   {"osh", OSH},
  72   {"nshld", NSHLD},
  73   {"nshst", NSHST},
  74   {"nsh", NSH},
  75   {"ishld", ISHLD},
  76   {"ishst", ISHST},
  77   {"ish", ISH},
  78   {"ld", LD},
  79   {"st", ST},
  80   {"sy", SY}
  81 };
  82
  83 AArch64DB::DBarrierMapper::DBarrierMapper()
  84   : AArch64NamedImmMapper(DBarrierMappings, 16u) {}
  85
  86 const AArch64NamedImmMapper::Mapping AArch64DC::DCMapper::DCMappings[] = {
  87   {"zva", ZVA},
  88   {"ivac", IVAC},
  89   {"isw", ISW},
  90   {"cvac", CVAC},
  91   {"csw", CSW},
  92   {"cvau", CVAU},
  93   {"civac", CIVAC},
  94   {"cisw", CISW}
  95 };
  96
  97 AArch64DC::DCMapper::DCMapper()
  98   : AArch64NamedImmMapper(DCMappings, 0) {}
  99
 100 const AArch64NamedImmMapper::Mapping AArch64IC::ICMapper::ICMappings[] = {
 101   {"ialluis",  IALLUIS},
 102   {"iallu", IALLU},
 103   {"ivau", IVAU}
 104 };
 105
 106 AArch64IC::ICMapper::ICMapper()
 107   : AArch64NamedImmMapper(ICMappings, 0) {}
 108
 109 const AArch64NamedImmMapper::Mapping AArch64ISB::ISBMapper::ISBMappings[] = {
 110   {"sy",  SY},
 111 };
 112
 113 AArch64ISB::ISBMapper::ISBMapper()
 114   : AArch64NamedImmMapper(ISBMappings, 16) {}
 115
 116 const AArch64NamedImmMapper::Mapping AArch64PRFM::PRFMMapper::PRFMMappings[] = {
 117   {"pldl1keep", PLDL1KEEP},
 118   {"pldl1strm", PLDL1STRM},
 119   {"pldl2keep", PLDL2KEEP},
 120   {"pldl2strm", PLDL2STRM},
 121   {"pldl3keep", PLDL3KEEP},
 122   {"pldl3strm", PLDL3STRM},
 123   {"plil1keep", PLIL1KEEP},
 124   {"plil1strm", PLIL1STRM},
 125   {"plil2keep", PLIL2KEEP},
 126   {"plil2strm", PLIL2STRM},
 127   {"plil3keep", PLIL3KEEP},
 128   {"plil3strm", PLIL3STRM},
 129   {"pstl1keep", PSTL1KEEP},
 130   {"pstl1strm", PSTL1STRM},
 131   {"pstl2keep", PSTL2KEEP},
 132   {"pstl2strm", PSTL2STRM},
 133   {"pstl3keep", PSTL3KEEP},
 134   {"pstl3strm", PSTL3STRM}
 135 };
 136
 137 AArch64PRFM::PRFMMapper::PRFMMapper()
 138   : AArch64NamedImmMapper(PRFMMappings, 32) {}
 139
 140 const AArch64NamedImmMapper::Mapping AArch64PState::PStateMapper::PStateMappings[] = {
 141   {"spsel", SPSel},
 142   {"daifset", DAIFSet},
 143   {"daifclr", DAIFClr}
 144 };
 145
 146 AArch64PState::PStateMapper::PStateMapper()
 147   : AArch64NamedImmMapper(PStateMappings, 0) {}
 148
 149 const AArch64NamedImmMapper::Mapping AArch64SysReg::MRSMapper::MRSMappings[] = {
 150   {"mdccsr_el0", MDCCSR_EL0},
 151   {"dbgdtrrx_el0", DBGDTRRX_EL0},
 152   {"mdrar_el1", MDRAR_EL1},
 153   {"oslsr_el1", OSLSR_EL1},
 154   {"dbgauthstatus_el1", DBGAUTHSTATUS_EL1},
 155   {"pmceid0_el0", PMCEID0_EL0},
 156   {"pmceid1_el0", PMCEID1_EL0},
 157   {"midr_el1", MIDR_EL1},
 158   {"ccsidr_el1", CCSIDR_EL1},
 159   {"clidr_el1", CLIDR_EL1},
 160   {"ctr_el0", CTR_EL0},
 161   {"mpidr_el1", MPIDR_EL1},
 162   {"revidr_el1", REVIDR_EL1},
 163   {"aidr_el1", AIDR_EL1},
 164   {"dczid_el0", DCZID_EL0},
 165   {"id_pfr0_el1", ID_PFR0_EL1},
 166   {"id_pfr1_el1", ID_PFR1_EL1},
 167   {"id_dfr0_el1", ID_DFR0_EL1},
 168   {"id_afr0_el1", ID_AFR0_EL1},
 169   {"id_mmfr0_el1", ID_MMFR0_EL1},
 170   {"id_mmfr1_el1", ID_MMFR1_EL1},
 171   {"id_mmfr2_el1", ID_MMFR2_EL1},
 172   {"id_mmfr3_el1", ID_MMFR3_EL1},
 173   {"id_isar0_el1", ID_ISAR0_EL1},
 174   {"id_isar1_el1", ID_ISAR1_EL1},
 175   {"id_isar2_el1", ID_ISAR2_EL1},
 176   {"id_isar3_el1", ID_ISAR3_EL1},
 177   {"id_isar4_el1", ID_ISAR4_EL1},
 178   {"id_isar5_el1", ID_ISAR5_EL1},
 179   {"id_aa64pfr0_el1", ID_A64PFR0_EL1},
 180   {"id_aa64pfr1_el1", ID_A64PFR1_EL1},
 181   {"id_aa64dfr0_el1", ID_A64DFR0_EL1},
 182   {"id_aa64dfr1_el1", ID_A64DFR1_EL1},
 183   {"id_aa64afr0_el1", ID_A64AFR0_EL1},
 184   {"id_aa64afr1_el1", ID_A64AFR1_EL1},
 185   {"id_aa64isar0_el1", ID_A64ISAR0_EL1},
 186   {"id_aa64isar1_el1", ID_A64ISAR1_EL1},
 187   {"id_aa64mmfr0_el1", ID_A64MMFR0_EL1},
 188   {"id_aa64mmfr1_el1", ID_A64MMFR1_EL1},
 189   {"mvfr0_el1", MVFR0_EL1},
 190   {"mvfr1_el1", MVFR1_EL1},
 191   {"mvfr2_el1", MVFR2_EL1},
 192   {"rvbar_el1", RVBAR_EL1},
 193   {"rvbar_el2", RVBAR_EL2},
 194   {"rvbar_el3", RVBAR_EL3},
 195   {"isr_el1", ISR_EL1},
 196   {"cntpct_el0", CNTPCT_EL0},
 197   {"cntvct_el0", CNTVCT_EL0},
 198
 199   // Trace registers
 200   {"trcstatr", TRCSTATR},
 201   {"trcidr8", TRCIDR8},
 202   {"trcidr9", TRCIDR9},
 203   {"trcidr10", TRCIDR10},
 204   {"trcidr11", TRCIDR11},
 205   {"trcidr12", TRCIDR12},
 206   {"trcidr13", TRCIDR13},
 207   {"trcidr0", TRCIDR0},
 208   {"trcidr1", TRCIDR1},
 209   {"trcidr2", TRCIDR2},
 210   {"trcidr3", TRCIDR3},
 211   {"trcidr4", TRCIDR4},
 212   {"trcidr5", TRCIDR5},
 213   {"trcidr6", TRCIDR6},
 214   {"trcidr7", TRCIDR7},
 215   {"trcoslsr", TRCOSLSR},
 216   {"trcpdsr", TRCPDSR},
 217   {"trcdevaff0", TRCDEVAFF0},
 218   {"trcdevaff1", TRCDEVAFF1},
 219   {"trclsr", TRCLSR},
 220   {"trcauthstatus", TRCAUTHSTATUS},
 221   {"trcdevarch", TRCDEVARCH},
 222   {"trcdevid", TRCDEVID},
 223   {"trcdevtype", TRCDEVTYPE},
 224   {"trcpidr4", TRCPIDR4},
 225   {"trcpidr5", TRCPIDR5},
 226   {"trcpidr6", TRCPIDR6},
 227   {"trcpidr7", TRCPIDR7},
 228   {"trcpidr0", TRCPIDR0},
 229   {"trcpidr1", TRCPIDR1},
 230   {"trcpidr2", TRCPIDR2},
 231   {"trcpidr3", TRCPIDR3},
 232   {"trccidr0", TRCCIDR0},
 233   {"trccidr1", TRCCIDR1},
 234   {"trccidr2", TRCCIDR2},
 235   {"trccidr3", TRCCIDR3},
 236
 237   // GICv3 registers
 238   {"icc_iar1_el1", ICC_IAR1_EL1},
 239   {"icc_iar0_el1", ICC_IAR0_EL1},
 240   {"icc_hppir1_el1", ICC_HPPIR1_EL1},
 241   {"icc_hppir0_el1", ICC_HPPIR0_EL1},
 242   {"icc_rpr_el1", ICC_RPR_EL1},
 243   {"ich_vtr_el2", ICH_VTR_EL2},
 244   {"ich_eisr_el2", ICH_EISR_EL2},
 245   {"ich_elsr_el2", ICH_ELSR_EL2}
 246 };
 247
 248 AArch64SysReg::MRSMapper::MRSMapper(uint64_t FeatureBits)
 249   : SysRegMapper(FeatureBits) {
 250     InstMappings = &MRSMappings[0];
 251     NumInstMappings = llvm::array_lengthof(MRSMappings);
 252 }
 253
 254 const AArch64NamedImmMapper::Mapping AArch64SysReg::MSRMapper::MSRMappings[] = {
 255   {"dbgdtrtx_el0", DBGDTRTX_EL0},
 256   {"oslar_el1", OSLAR_EL1},
 257   {"pmswinc_el0", PMSWINC_EL0},
 258
 259   // Trace registers
 260   {"trcoslar", TRCOSLAR},
 261   {"trclar", TRCLAR},
 262
 263   // GICv3 registers
 264   {"icc_eoir1_el1", ICC_EOIR1_EL1},
 265   {"icc_eoir0_el1", ICC_EOIR0_EL1},
 266   {"icc_dir_el1", ICC_DIR_EL1},
 267   {"icc_sgi1r_el1", ICC_SGI1R_EL1},
 268   {"icc_asgi1r_el1", ICC_ASGI1R_EL1},
 269   {"icc_sgi0r_el1", ICC_SGI0R_EL1}
 270 };
 271
 272 AArch64SysReg::MSRMapper::MSRMapper(uint64_t FeatureBits)
 273   : SysRegMapper(FeatureBits) {
 274     InstMappings = &MSRMappings[0];
 275     NumInstMappings = llvm::array_lengthof(MSRMappings);
 276 }
 277
 278
 279 const AArch64NamedImmMapper::Mapping AArch64SysReg::SysRegMapper::SysRegMappings[] = {
 280   {"osdtrrx_el1", OSDTRRX_EL1},
 281   {"osdtrtx_el1",  OSDTRTX_EL1},
 282   {"teecr32_el1", TEECR32_EL1},
 283   {"mdccint_el1", MDCCINT_EL1},
 284   {"mdscr_el1", MDSCR_EL1},
 285   {"dbgdtr_el0", DBGDTR_EL0},
 286   {"oseccr_el1", OSECCR_EL1},
 287   {"dbgvcr32_el2", DBGVCR32_EL2},
 288   {"dbgbvr0_el1", DBGBVR0_EL1},
 289   {"dbgbvr1_el1", DBGBVR1_EL1},
 290   {"dbgbvr2_el1", DBGBVR2_EL1},
 291   {"dbgbvr3_el1", DBGBVR3_EL1},
 292   {"dbgbvr4_el1", DBGBVR4_EL1},
 293   {"dbgbvr5_el1", DBGBVR5_EL1},
 294   {"dbgbvr6_el1", DBGBVR6_EL1},
 295   {"dbgbvr7_el1", DBGBVR7_EL1},
 296   {"dbgbvr8_el1", DBGBVR8_EL1},
 297   {"dbgbvr9_el1", DBGBVR9_EL1},
 298   {"dbgbvr10_el1", DBGBVR10_EL1},
 299   {"dbgbvr11_el1", DBGBVR11_EL1},
 300   {"dbgbvr12_el1", DBGBVR12_EL1},
 301   {"dbgbvr13_el1", DBGBVR13_EL1},
 302   {"dbgbvr14_el1", DBGBVR14_EL1},
 303   {"dbgbvr15_el1", DBGBVR15_EL1},
 304   {"dbgbcr0_el1", DBGBCR0_EL1},
 305   {"dbgbcr1_el1", DBGBCR1_EL1},
 306   {"dbgbcr2_el1", DBGBCR2_EL1},
 307   {"dbgbcr3_el1", DBGBCR3_EL1},
 308   {"dbgbcr4_el1", DBGBCR4_EL1},
 309   {"dbgbcr5_el1", DBGBCR5_EL1},
 310   {"dbgbcr6_el1", DBGBCR6_EL1},
 311   {"dbgbcr7_el1", DBGBCR7_EL1},
 312   {"dbgbcr8_el1", DBGBCR8_EL1},
 313   {"dbgbcr9_el1", DBGBCR9_EL1},
 314   {"dbgbcr10_el1", DBGBCR10_EL1},
 315   {"dbgbcr11_el1", DBGBCR11_EL1},
 316   {"dbgbcr12_el1", DBGBCR12_EL1},
 317   {"dbgbcr13_el1", DBGBCR13_EL1},
 318   {"dbgbcr14_el1", DBGBCR14_EL1},
 319   {"dbgbcr15_el1", DBGBCR15_EL1},
 320   {"dbgwvr0_el1", DBGWVR0_EL1},
 321   {"dbgwvr1_el1", DBGWVR1_EL1},
 322   {"dbgwvr2_el1", DBGWVR2_EL1},
 323   {"dbgwvr3_el1", DBGWVR3_EL1},
 324   {"dbgwvr4_el1", DBGWVR4_EL1},
 325   {"dbgwvr5_el1", DBGWVR5_EL1},
 326   {"dbgwvr6_el1", DBGWVR6_EL1},
 327   {"dbgwvr7_el1", DBGWVR7_EL1},
 328   {"dbgwvr8_el1", DBGWVR8_EL1},
 329   {"dbgwvr9_el1", DBGWVR9_EL1},
 330   {"dbgwvr10_el1", DBGWVR10_EL1},
 331   {"dbgwvr11_el1", DBGWVR11_EL1},
 332   {"dbgwvr12_el1", DBGWVR12_EL1},
 333   {"dbgwvr13_el1", DBGWVR13_EL1},
 334   {"dbgwvr14_el1", DBGWVR14_EL1},
 335   {"dbgwvr15_el1", DBGWVR15_EL1},
 336   {"dbgwcr0_el1", DBGWCR0_EL1},
 337   {"dbgwcr1_el1", DBGWCR1_EL1},
 338   {"dbgwcr2_el1", DBGWCR2_EL1},
 339   {"dbgwcr3_el1", DBGWCR3_EL1},
 340   {"dbgwcr4_el1", DBGWCR4_EL1},
 341   {"dbgwcr5_el1", DBGWCR5_EL1},
 342   {"dbgwcr6_el1", DBGWCR6_EL1},
 343   {"dbgwcr7_el1", DBGWCR7_EL1},
 344   {"dbgwcr8_el1", DBGWCR8_EL1},
 345   {"dbgwcr9_el1", DBGWCR9_EL1},
 346   {"dbgwcr10_el1", DBGWCR10_EL1},
 347   {"dbgwcr11_el1", DBGWCR11_EL1},
 348   {"dbgwcr12_el1", DBGWCR12_EL1},
 349   {"dbgwcr13_el1", DBGWCR13_EL1},
 350   {"dbgwcr14_el1", DBGWCR14_EL1},
 351   {"dbgwcr15_el1", DBGWCR15_EL1},
 352   {"teehbr32_el1", TEEHBR32_EL1},
 353   {"osdlr_el1", OSDLR_EL1},
 354   {"dbgprcr_el1", DBGPRCR_EL1},
 355   {"dbgclaimset_el1", DBGCLAIMSET_EL1},
 356   {"dbgclaimclr_el1", DBGCLAIMCLR_EL1},
 357   {"csselr_el1", CSSELR_EL1},
 358   {"vpidr_el2", VPIDR_EL2},
 359   {"vmpidr_el2", VMPIDR_EL2},
 360   {"sctlr_el1", SCTLR_EL1},
 361   {"sctlr_el2", SCTLR_EL2},
 362   {"sctlr_el3", SCTLR_EL3},
 363   {"actlr_el1", ACTLR_EL1},
 364   {"actlr_el2", ACTLR_EL2},
 365   {"actlr_el3", ACTLR_EL3},
 366   {"cpacr_el1", CPACR_EL1},
 367   {"hcr_el2", HCR_EL2},
 368   {"scr_el3", SCR_EL3},
 369   {"mdcr_el2", MDCR_EL2},
 370   {"sder32_el3", SDER32_EL3},
 371   {"cptr_el2", CPTR_EL2},
 372   {"cptr_el3", CPTR_EL3},
 373   {"hstr_el2", HSTR_EL2},
 374   {"hacr_el2", HACR_EL2},
 375   {"mdcr_el3", MDCR_EL3},
 376   {"ttbr0_el1", TTBR0_EL1},
 377   {"ttbr0_el2", TTBR0_EL2},
 378   {"ttbr0_el3", TTBR0_EL3},
 379   {"ttbr1_el1", TTBR1_EL1},
 380   {"tcr_el1", TCR_EL1},
 381   {"tcr_el2", TCR_EL2},
 382   {"tcr_el3", TCR_EL3},
 383   {"vttbr_el2", VTTBR_EL2},
 384   {"vtcr_el2", VTCR_EL2},
 385   {"dacr32_el2", DACR32_EL2},
 386   {"spsr_el1", SPSR_EL1},
 387   {"spsr_el2", SPSR_EL2},
 388   {"spsr_el3", SPSR_EL3},
 389   {"elr_el1", ELR_EL1},
 390   {"elr_el2", ELR_EL2},
 391   {"elr_el3", ELR_EL3},
 392   {"sp_el0", SP_EL0},
 393   {"sp_el1", SP_EL1},
 394   {"sp_el2", SP_EL2},
 395   {"spsel", SPSel},
 396   {"nzcv", NZCV},
 397   {"daif", DAIF},
 398   {"currentel", CurrentEL},
 399   {"spsr_irq", SPSR_irq},
 400   {"spsr_abt", SPSR_abt},
 401   {"spsr_und", SPSR_und},
 402   {"spsr_fiq", SPSR_fiq},
 403   {"fpcr", FPCR},
 404   {"fpsr", FPSR},
 405   {"dspsr_el0", DSPSR_EL0},
 406   {"dlr_el0", DLR_EL0},
 407   {"ifsr32_el2", IFSR32_EL2},
 408   {"afsr0_el1", AFSR0_EL1},
 409   {"afsr0_el2", AFSR0_EL2},
 410   {"afsr0_el3", AFSR0_EL3},
 411   {"afsr1_el1", AFSR1_EL1},
 412   {"afsr1_el2", AFSR1_EL2},
 413   {"afsr1_el3", AFSR1_EL3},
 414   {"esr_el1", ESR_EL1},
 415   {"esr_el2", ESR_EL2},
 416   {"esr_el3", ESR_EL3},
 417   {"fpexc32_el2", FPEXC32_EL2},
 418   {"far_el1", FAR_EL1},
 419   {"far_el2", FAR_EL2},
 420   {"far_el3", FAR_EL3},
 421   {"hpfar_el2", HPFAR_EL2},
 422   {"par_el1", PAR_EL1},
 423   {"pmcr_el0", PMCR_EL0},
 424   {"pmcntenset_el0", PMCNTENSET_EL0},
 425   {"pmcntenclr_el0", PMCNTENCLR_EL0},
 426   {"pmovsclr_el0", PMOVSCLR_EL0},
 427   {"pmselr_el0", PMSELR_EL0},
 428   {"pmccntr_el0", PMCCNTR_EL0},
 429   {"pmxevtyper_el0", PMXEVTYPER_EL0},
 430   {"pmxevcntr_el0", PMXEVCNTR_EL0},
 431   {"pmuserenr_el0", PMUSERENR_EL0},
 432   {"pmintenset_el1", PMINTENSET_EL1},
 433   {"pmintenclr_el1", PMINTENCLR_EL1},
 434   {"pmovsset_el0", PMOVSSET_EL0},
 435   {"mair_el1", MAIR_EL1},
 436   {"mair_el2", MAIR_EL2},
 437   {"mair_el3", MAIR_EL3},
 438   {"amair_el1", AMAIR_EL1},
 439   {"amair_el2", AMAIR_EL2},
 440   {"amair_el3", AMAIR_EL3},
 441   {"vbar_el1", VBAR_EL1},
 442   {"vbar_el2", VBAR_EL2},
 443   {"vbar_el3", VBAR_EL3},
 444   {"rmr_el1", RMR_EL1},
 445   {"rmr_el2", RMR_EL2},
 446   {"rmr_el3", RMR_EL3},
 447   {"contextidr_el1", CONTEXTIDR_EL1},
 448   {"tpidr_el0", TPIDR_EL0},
 449   {"tpidr_el2", TPIDR_EL2},
 450   {"tpidr_el3", TPIDR_EL3},
 451   {"tpidrro_el0", TPIDRRO_EL0},
 452   {"tpidr_el1", TPIDR_EL1},
 453   {"cntfrq_el0", CNTFRQ_EL0},
 454   {"cntvoff_el2", CNTVOFF_EL2},
 455   {"cntkctl_el1", CNTKCTL_EL1},
 456   {"cnthctl_el2", CNTHCTL_EL2},
 457   {"cntp_tval_el0", CNTP_TVAL_EL0},
 458   {"cnthp_tval_el2", CNTHP_TVAL_EL2},
 459   {"cntps_tval_el1", CNTPS_TVAL_EL1},
 460   {"cntp_ctl_el0", CNTP_CTL_EL0},
 461   {"cnthp_ctl_el2", CNTHP_CTL_EL2},
 462   {"cntps_ctl_el1", CNTPS_CTL_EL1},
 463   {"cntp_cval_el0", CNTP_CVAL_EL0},
 464   {"cnthp_cval_el2", CNTHP_CVAL_EL2},
 465   {"cntps_cval_el1", CNTPS_CVAL_EL1},
 466   {"cntv_tval_el0", CNTV_TVAL_EL0},
 467   {"cntv_ctl_el0", CNTV_CTL_EL0},
 468   {"cntv_cval_el0", CNTV_CVAL_EL0},
 469   {"pmevcntr0_el0", PMEVCNTR0_EL0},
 470   {"pmevcntr1_el0", PMEVCNTR1_EL0},
 471   {"pmevcntr2_el0", PMEVCNTR2_EL0},
 472   {"pmevcntr3_el0", PMEVCNTR3_EL0},
 473   {"pmevcntr4_el0", PMEVCNTR4_EL0},
 474   {"pmevcntr5_el0", PMEVCNTR5_EL0},
 475   {"pmevcntr6_el0", PMEVCNTR6_EL0},
 476   {"pmevcntr7_el0", PMEVCNTR7_EL0},
 477   {"pmevcntr8_el0", PMEVCNTR8_EL0},
 478   {"pmevcntr9_el0", PMEVCNTR9_EL0},
 479   {"pmevcntr10_el0", PMEVCNTR10_EL0},
 480   {"pmevcntr11_el0", PMEVCNTR11_EL0},
 481   {"pmevcntr12_el0", PMEVCNTR12_EL0},
 482   {"pmevcntr13_el0", PMEVCNTR13_EL0},
 483   {"pmevcntr14_el0", PMEVCNTR14_EL0},
 484   {"pmevcntr15_el0", PMEVCNTR15_EL0},
 485   {"pmevcntr16_el0", PMEVCNTR16_EL0},
 486   {"pmevcntr17_el0", PMEVCNTR17_EL0},
 487   {"pmevcntr18_el0", PMEVCNTR18_EL0},
 488   {"pmevcntr19_el0", PMEVCNTR19_EL0},
 489   {"pmevcntr20_el0", PMEVCNTR20_EL0},
 490   {"pmevcntr21_el0", PMEVCNTR21_EL0},
 491   {"pmevcntr22_el0", PMEVCNTR22_EL0},
 492   {"pmevcntr23_el0", PMEVCNTR23_EL0},
 493   {"pmevcntr24_el0", PMEVCNTR24_EL0},
 494   {"pmevcntr25_el0", PMEVCNTR25_EL0},
 495   {"pmevcntr26_el0", PMEVCNTR26_EL0},
 496   {"pmevcntr27_el0", PMEVCNTR27_EL0},
 497   {"pmevcntr28_el0", PMEVCNTR28_EL0},
 498   {"pmevcntr29_el0", PMEVCNTR29_EL0},
 499   {"pmevcntr30_el0", PMEVCNTR30_EL0},
 500   {"pmccfiltr_el0", PMCCFILTR_EL0},
 501   {"pmevtyper0_el0", PMEVTYPER0_EL0},
 502   {"pmevtyper1_el0", PMEVTYPER1_EL0},
 503   {"pmevtyper2_el0", PMEVTYPER2_EL0},
 504   {"pmevtyper3_el0", PMEVTYPER3_EL0},
 505   {"pmevtyper4_el0", PMEVTYPER4_EL0},
 506   {"pmevtyper5_el0", PMEVTYPER5_EL0},
 507   {"pmevtyper6_el0", PMEVTYPER6_EL0},
 508   {"pmevtyper7_el0", PMEVTYPER7_EL0},
 509   {"pmevtyper8_el0", PMEVTYPER8_EL0},
 510   {"pmevtyper9_el0", PMEVTYPER9_EL0},
 511   {"pmevtyper10_el0", PMEVTYPER10_EL0},
 512   {"pmevtyper11_el0", PMEVTYPER11_EL0},
 513   {"pmevtyper12_el0", PMEVTYPER12_EL0},
 514   {"pmevtyper13_el0", PMEVTYPER13_EL0},
 515   {"pmevtyper14_el0", PMEVTYPER14_EL0},
 516   {"pmevtyper15_el0", PMEVTYPER15_EL0},
 517   {"pmevtyper16_el0", PMEVTYPER16_EL0},
 518   {"pmevtyper17_el0", PMEVTYPER17_EL0},
 519   {"pmevtyper18_el0", PMEVTYPER18_EL0},
 520   {"pmevtyper19_el0", PMEVTYPER19_EL0},
 521   {"pmevtyper20_el0", PMEVTYPER20_EL0},
 522   {"pmevtyper21_el0", PMEVTYPER21_EL0},
 523   {"pmevtyper22_el0", PMEVTYPER22_EL0},
 524   {"pmevtyper23_el0", PMEVTYPER23_EL0},
 525   {"pmevtyper24_el0", PMEVTYPER24_EL0},
 526   {"pmevtyper25_el0", PMEVTYPER25_EL0},
 527   {"pmevtyper26_el0", PMEVTYPER26_EL0},
 528   {"pmevtyper27_el0", PMEVTYPER27_EL0},
 529   {"pmevtyper28_el0", PMEVTYPER28_EL0},
 530   {"pmevtyper29_el0", PMEVTYPER29_EL0},
 531   {"pmevtyper30_el0", PMEVTYPER30_EL0},
 532
 533   // Trace registers
 534   {"trcprgctlr", TRCPRGCTLR},
 535   {"trcprocselr", TRCPROCSELR},
 536   {"trcconfigr", TRCCONFIGR},
 537   {"trcauxctlr", TRCAUXCTLR},
 538   {"trceventctl0r", TRCEVENTCTL0R},
 539   {"trceventctl1r", TRCEVENTCTL1R},
 540   {"trcstallctlr", TRCSTALLCTLR},
 541   {"trctsctlr", TRCTSCTLR},
 542   {"trcsyncpr", TRCSYNCPR},
 543   {"trcccctlr", TRCCCCTLR},
 544   {"trcbbctlr", TRCBBCTLR},
 545   {"trctraceidr", TRCTRACEIDR},
 546   {"trcqctlr", TRCQCTLR},
 547   {"trcvictlr", TRCVICTLR},
 548   {"trcviiectlr", TRCVIIECTLR},
 549   {"trcvissctlr", TRCVISSCTLR},
 550   {"trcvipcssctlr", TRCVIPCSSCTLR},
 551   {"trcvdctlr", TRCVDCTLR},
 552   {"trcvdsacctlr", TRCVDSACCTLR},
 553   {"trcvdarcctlr", TRCVDARCCTLR},
 554   {"trcseqevr0", TRCSEQEVR0},
 555   {"trcseqevr1", TRCSEQEVR1},
 556   {"trcseqevr2", TRCSEQEVR2},
 557   {"trcseqrstevr", TRCSEQRSTEVR},
 558   {"trcseqstr", TRCSEQSTR},
 559   {"trcextinselr", TRCEXTINSELR},
 560   {"trccntrldvr0", TRCCNTRLDVR0},
 561   {"trccntrldvr1", TRCCNTRLDVR1},
 562   {"trccntrldvr2", TRCCNTRLDVR2},
 563   {"trccntrldvr3", TRCCNTRLDVR3},
 564   {"trccntctlr0", TRCCNTCTLR0},
 565   {"trccntctlr1", TRCCNTCTLR1},
 566   {"trccntctlr2", TRCCNTCTLR2},
 567   {"trccntctlr3", TRCCNTCTLR3},
 568   {"trccntvr0", TRCCNTVR0},
 569   {"trccntvr1", TRCCNTVR1},
 570   {"trccntvr2", TRCCNTVR2},
 571   {"trccntvr3", TRCCNTVR3},
 572   {"trcimspec0", TRCIMSPEC0},
 573   {"trcimspec1", TRCIMSPEC1},
 574   {"trcimspec2", TRCIMSPEC2},
 575   {"trcimspec3", TRCIMSPEC3},
 576   {"trcimspec4", TRCIMSPEC4},
 577   {"trcimspec5", TRCIMSPEC5},
 578   {"trcimspec6", TRCIMSPEC6},
 579   {"trcimspec7", TRCIMSPEC7},
 580   {"trcrsctlr2", TRCRSCTLR2},
 581   {"trcrsctlr3", TRCRSCTLR3},
 582   {"trcrsctlr4", TRCRSCTLR4},
 583   {"trcrsctlr5", TRCRSCTLR5},
 584   {"trcrsctlr6", TRCRSCTLR6},
 585   {"trcrsctlr7", TRCRSCTLR7},
 586   {"trcrsctlr8", TRCRSCTLR8},
 587   {"trcrsctlr9", TRCRSCTLR9},
 588   {"trcrsctlr10", TRCRSCTLR10},
 589   {"trcrsctlr11", TRCRSCTLR11},
 590   {"trcrsctlr12", TRCRSCTLR12},
 591   {"trcrsctlr13", TRCRSCTLR13},
 592   {"trcrsctlr14", TRCRSCTLR14},
 593   {"trcrsctlr15", TRCRSCTLR15},
 594   {"trcrsctlr16", TRCRSCTLR16},
 595   {"trcrsctlr17", TRCRSCTLR17},
 596   {"trcrsctlr18", TRCRSCTLR18},
 597   {"trcrsctlr19", TRCRSCTLR19},
 598   {"trcrsctlr20", TRCRSCTLR20},
 599   {"trcrsctlr21", TRCRSCTLR21},
 600   {"trcrsctlr22", TRCRSCTLR22},
 601   {"trcrsctlr23", TRCRSCTLR23},
 602   {"trcrsctlr24", TRCRSCTLR24},
 603   {"trcrsctlr25", TRCRSCTLR25},
 604   {"trcrsctlr26", TRCRSCTLR26},
 605   {"trcrsctlr27", TRCRSCTLR27},
 606   {"trcrsctlr28", TRCRSCTLR28},
 607   {"trcrsctlr29", TRCRSCTLR29},
 608   {"trcrsctlr30", TRCRSCTLR30},
 609   {"trcrsctlr31", TRCRSCTLR31},
 610   {"trcssccr0", TRCSSCCR0},
 611   {"trcssccr1", TRCSSCCR1},
 612   {"trcssccr2", TRCSSCCR2},
 613   {"trcssccr3", TRCSSCCR3},
 614   {"trcssccr4", TRCSSCCR4},
 615   {"trcssccr5", TRCSSCCR5},
 616   {"trcssccr6", TRCSSCCR6},
 617   {"trcssccr7", TRCSSCCR7},
 618   {"trcsscsr0", TRCSSCSR0},
 619   {"trcsscsr1", TRCSSCSR1},
 620   {"trcsscsr2", TRCSSCSR2},
 621   {"trcsscsr3", TRCSSCSR3},
 622   {"trcsscsr4", TRCSSCSR4},
 623   {"trcsscsr5", TRCSSCSR5},
 624   {"trcsscsr6", TRCSSCSR6},
 625   {"trcsscsr7", TRCSSCSR7},
 626   {"trcsspcicr0", TRCSSPCICR0},
 627   {"trcsspcicr1", TRCSSPCICR1},
 628   {"trcsspcicr2", TRCSSPCICR2},
 629   {"trcsspcicr3", TRCSSPCICR3},
 630   {"trcsspcicr4", TRCSSPCICR4},
 631   {"trcsspcicr5", TRCSSPCICR5},
 632   {"trcsspcicr6", TRCSSPCICR6},
 633   {"trcsspcicr7", TRCSSPCICR7},
 634   {"trcpdcr", TRCPDCR},
 635   {"trcacvr0", TRCACVR0},
 636   {"trcacvr1", TRCACVR1},
 637   {"trcacvr2", TRCACVR2},
 638   {"trcacvr3", TRCACVR3},
 639   {"trcacvr4", TRCACVR4},
 640   {"trcacvr5", TRCACVR5},
 641   {"trcacvr6", TRCACVR6},
 642   {"trcacvr7", TRCACVR7},
 643   {"trcacvr8", TRCACVR8},
 644   {"trcacvr9", TRCACVR9},
 645   {"trcacvr10", TRCACVR10},
 646   {"trcacvr11", TRCACVR11},
 647   {"trcacvr12", TRCACVR12},
 648   {"trcacvr13", TRCACVR13},
 649   {"trcacvr14", TRCACVR14},
 650   {"trcacvr15", TRCACVR15},
 651   {"trcacatr0", TRCACATR0},
 652   {"trcacatr1", TRCACATR1},
 653   {"trcacatr2", TRCACATR2},
 654   {"trcacatr3", TRCACATR3},
 655   {"trcacatr4", TRCACATR4},
 656   {"trcacatr5", TRCACATR5},
 657   {"trcacatr6", TRCACATR6},
 658   {"trcacatr7", TRCACATR7},
 659   {"trcacatr8", TRCACATR8},
 660   {"trcacatr9", TRCACATR9},
 661   {"trcacatr10", TRCACATR10},
 662   {"trcacatr11", TRCACATR11},
 663   {"trcacatr12", TRCACATR12},
 664   {"trcacatr13", TRCACATR13},
 665   {"trcacatr14", TRCACATR14},
 666   {"trcacatr15", TRCACATR15},
 667   {"trcdvcvr0", TRCDVCVR0},
 668   {"trcdvcvr1", TRCDVCVR1},
 669   {"trcdvcvr2", TRCDVCVR2},
 670   {"trcdvcvr3", TRCDVCVR3},
 671   {"trcdvcvr4", TRCDVCVR4},
 672   {"trcdvcvr5", TRCDVCVR5},
 673   {"trcdvcvr6", TRCDVCVR6},
 674   {"trcdvcvr7", TRCDVCVR7},
 675   {"trcdvcmr0", TRCDVCMR0},
 676   {"trcdvcmr1", TRCDVCMR1},
 677   {"trcdvcmr2", TRCDVCMR2},
 678   {"trcdvcmr3", TRCDVCMR3},
 679   {"trcdvcmr4", TRCDVCMR4},
 680   {"trcdvcmr5", TRCDVCMR5},
 681   {"trcdvcmr6", TRCDVCMR6},
 682   {"trcdvcmr7", TRCDVCMR7},
 683   {"trccidcvr0", TRCCIDCVR0},
 684   {"trccidcvr1", TRCCIDCVR1},
 685   {"trccidcvr2", TRCCIDCVR2},
 686   {"trccidcvr3", TRCCIDCVR3},
 687   {"trccidcvr4", TRCCIDCVR4},
 688   {"trccidcvr5", TRCCIDCVR5},
 689   {"trccidcvr6", TRCCIDCVR6},
 690   {"trccidcvr7", TRCCIDCVR7},
 691   {"trcvmidcvr0", TRCVMIDCVR0},
 692   {"trcvmidcvr1", TRCVMIDCVR1},
 693   {"trcvmidcvr2", TRCVMIDCVR2},
 694   {"trcvmidcvr3", TRCVMIDCVR3},
 695   {"trcvmidcvr4", TRCVMIDCVR4},
 696   {"trcvmidcvr5", TRCVMIDCVR5},
 697   {"trcvmidcvr6", TRCVMIDCVR6},
 698   {"trcvmidcvr7", TRCVMIDCVR7},
 699   {"trccidcctlr0", TRCCIDCCTLR0},
 700   {"trccidcctlr1", TRCCIDCCTLR1},
 701   {"trcvmidcctlr0", TRCVMIDCCTLR0},
 702   {"trcvmidcctlr1", TRCVMIDCCTLR1},
 703   {"trcitctrl", TRCITCTRL},
 704   {"trcclaimset", TRCCLAIMSET},
 705   {"trcclaimclr", TRCCLAIMCLR},
 706
 707   // GICv3 registers
 708   {"icc_bpr1_el1", ICC_BPR1_EL1},
 709   {"icc_bpr0_el1", ICC_BPR0_EL1},
 710   {"icc_pmr_el1", ICC_PMR_EL1},
 711   {"icc_ctlr_el1", ICC_CTLR_EL1},
 712   {"icc_ctlr_el3", ICC_CTLR_EL3},
 713   {"icc_sre_el1", ICC_SRE_EL1},
 714   {"icc_sre_el2", ICC_SRE_EL2},
 715   {"icc_sre_el3", ICC_SRE_EL3},
 716   {"icc_igrpen0_el1", ICC_IGRPEN0_EL1},
 717   {"icc_igrpen1_el1", ICC_IGRPEN1_EL1},
 718   {"icc_igrpen1_el3", ICC_IGRPEN1_EL3},
 719   {"icc_seien_el1", ICC_SEIEN_EL1},
 720   {"icc_ap0r0_el1", ICC_AP0R0_EL1},
 721   {"icc_ap0r1_el1", ICC_AP0R1_EL1},
 722   {"icc_ap0r2_el1", ICC_AP0R2_EL1},
 723   {"icc_ap0r3_el1", ICC_AP0R3_EL1},
 724   {"icc_ap1r0_el1", ICC_AP1R0_EL1},
 725   {"icc_ap1r1_el1", ICC_AP1R1_EL1},
 726   {"icc_ap1r2_el1", ICC_AP1R2_EL1},
 727   {"icc_ap1r3_el1", ICC_AP1R3_EL1},
 728   {"ich_ap0r0_el2", ICH_AP0R0_EL2},
 729   {"ich_ap0r1_el2", ICH_AP0R1_EL2},
 730   {"ich_ap0r2_el2", ICH_AP0R2_EL2},
 731   {"ich_ap0r3_el2", ICH_AP0R3_EL2},
 732   {"ich_ap1r0_el2", ICH_AP1R0_EL2},
 733   {"ich_ap1r1_el2", ICH_AP1R1_EL2},
 734   {"ich_ap1r2_el2", ICH_AP1R2_EL2},
 735   {"ich_ap1r3_el2", ICH_AP1R3_EL2},
 736   {"ich_hcr_el2", ICH_HCR_EL2},
 737   {"ich_misr_el2", ICH_MISR_EL2},
 738   {"ich_vmcr_el2", ICH_VMCR_EL2},
 739   {"ich_vseir_el2", ICH_VSEIR_EL2},
 740   {"ich_lr0_el2", ICH_LR0_EL2},
 741   {"ich_lr1_el2", ICH_LR1_EL2},
 742   {"ich_lr2_el2", ICH_LR2_EL2},
 743   {"ich_lr3_el2", ICH_LR3_EL2},
 744   {"ich_lr4_el2", ICH_LR4_EL2},
 745   {"ich_lr5_el2", ICH_LR5_EL2},
 746   {"ich_lr6_el2", ICH_LR6_EL2},
 747   {"ich_lr7_el2", ICH_LR7_EL2},
 748   {"ich_lr8_el2", ICH_LR8_EL2},
 749   {"ich_lr9_el2", ICH_LR9_EL2},
 750   {"ich_lr10_el2", ICH_LR10_EL2},
 751   {"ich_lr11_el2", ICH_LR11_EL2},
 752   {"ich_lr12_el2", ICH_LR12_EL2},
 753   {"ich_lr13_el2", ICH_LR13_EL2},
 754   {"ich_lr14_el2", ICH_LR14_EL2},
 755   {"ich_lr15_el2", ICH_LR15_EL2}
 756 };
 757
 758 const AArch64NamedImmMapper::Mapping
 759 AArch64SysReg::SysRegMapper::CycloneSysRegMappings[] = {
 760   {"cpm_ioacc_ctl_el3", CPM_IOACC_CTL_EL3}
 761 };
 762
 763 uint32_t
 764 AArch64SysReg::SysRegMapper::fromString(StringRef Name, bool &Valid) const {
 765   std::string NameLower = Name.lower();
 766
 767   // First search the registers shared by all
 768   for (unsigned i = 0; i < array_lengthof(SysRegMappings); ++i) {
 769     if (SysRegMappings[i].Name == NameLower) {
 770       Valid = true;
 771       return SysRegMappings[i].Value;
 772     }
 773   }
 774
 775   // Next search for target specific registers
 776   if (FeatureBits & AArch64::ProcCyclone) {
 777     for (unsigned i = 0; i < array_lengthof(CycloneSysRegMappings); ++i) {
 778       if (CycloneSysRegMappings[i].Name == NameLower) {
 779         Valid = true;
 780         return CycloneSysRegMappings[i].Value;
 781       }
 782     }
 783   }
 784
 785   // Now try the instruction-specific registers (either read-only or
 786   // write-only).
 787   for (unsigned i = 0; i < NumInstMappings; ++i) {
 788     if (InstMappings[i].Name == NameLower) {
 789       Valid = true;
 790       return InstMappings[i].Value;
 791     }
 792   }
 793
 794   // Try to parse an S<op0>_<op1>_<Cn>_<Cm>_<op2> register name
 795   Regex GenericRegPattern("^s([0-3])_([0-7])_c([0-9]|1[0-5])_c([0-9]|1[0-5])_([0-7])$");
 796
 797   SmallVector<StringRef, 5> Ops;
 798   if (!GenericRegPattern.match(NameLower, &Ops)) {
 799     Valid = false;
 800     return -1;
 801   }
 802
 803   uint32_t Op0 = 0, Op1 = 0, CRn = 0, CRm = 0, Op2 = 0;
 804   uint32_t Bits;
 805   Ops[1].getAsInteger(10, Op0);
 806   Ops[2].getAsInteger(10, Op1);
 807   Ops[3].getAsInteger(10, CRn);
 808   Ops[4].getAsInteger(10, CRm);
 809   Ops[5].getAsInteger(10, Op2);
 810   Bits = (Op0 << 14) | (Op1 << 11) | (CRn << 7) | (CRm << 3) | Op2;
 811
 812   Valid = true;
 813   return Bits;
 814 }
 815
 816 std::string
 817 AArch64SysReg::SysRegMapper::toString(uint32_t Bits) const {
 818   // First search the registers shared by all
 819   for (unsigned i = 0; i < array_lengthof(SysRegMappings); ++i) {
 820     if (SysRegMappings[i].Value == Bits) {
 821       return SysRegMappings[i].Name;
 822     }
 823   }
 824
 825   // Next search for target specific registers
 826   if (FeatureBits & AArch64::ProcCyclone) {
 827     for (unsigned i = 0; i < array_lengthof(CycloneSysRegMappings); ++i) {
 828       if (CycloneSysRegMappings[i].Value == Bits) {
 829         return CycloneSysRegMappings[i].Name;
 830       }
 831     }
 832   }
 833
 834   // Now try the instruction-specific registers (either read-only or
 835   // write-only).
 836   for (unsigned i = 0; i < NumInstMappings; ++i) {
 837     if (InstMappings[i].Value == Bits) {
 838       return InstMappings[i].Name;
 839     }
 840   }
 841
 842   assert(Bits < 0x10000);
 843   uint32_t Op0 = (Bits >> 14) & 0x3;
 844   uint32_t Op1 = (Bits >> 11) & 0x7;
 845   uint32_t CRn = (Bits >> 7) & 0xf;
 846   uint32_t CRm = (Bits >> 3) & 0xf;
 847   uint32_t Op2 = Bits & 0x7;
 848
 849   return "s" + utostr(Op0)+ "_" + utostr(Op1) + "_c" + utostr(CRn)
 850                + "_c" + utostr(CRm) + "_" + utostr(Op2);
 851 }
 852
 853 const AArch64NamedImmMapper::Mapping AArch64TLBI::TLBIMapper::TLBIMappings[] = {
 854   {"ipas2e1is", IPAS2E1IS},
 855   {"ipas2le1is", IPAS2LE1IS},
 856   {"vmalle1is", VMALLE1IS},
 857   {"alle2is", ALLE2IS},
 858   {"alle3is", ALLE3IS},
 859   {"vae1is", VAE1IS},
 860   {"vae2is", VAE2IS},
 861   {"vae3is", VAE3IS},
 862   {"aside1is", ASIDE1IS},
 863   {"vaae1is", VAAE1IS},
 864   {"alle1is", ALLE1IS},
 865   {"vale1is", VALE1IS},
 866   {"vale2is", VALE2IS},
 867   {"vale3is", VALE3IS},
 868   {"vmalls12e1is", VMALLS12E1IS},
 869   {"vaale1is", VAALE1IS},
 870   {"ipas2e1", IPAS2E1},
 871   {"ipas2le1", IPAS2LE1},
 872   {"vmalle1", VMALLE1},
 873   {"alle2", ALLE2},
 874   {"alle3", ALLE3},
 875   {"vae1", VAE1},
 876   {"vae2", VAE2},
 877   {"vae3", VAE3},
 878   {"aside1", ASIDE1},
 879   {"vaae1", VAAE1},
 880   {"alle1", ALLE1},
 881   {"vale1", VALE1},
 882   {"vale2", VALE2},
 883   {"vale3", VALE3},
 884   {"vmalls12e1", VMALLS12E1},
 885   {"vaale1", VAALE1}
 886 };
 887
 888 AArch64TLBI::TLBIMapper::TLBIMapper()
 889   : AArch64NamedImmMapper(TLBIMappings, 0) {}