lib/Target/AVR/AVR.td

   1 //===-- AVR.td - Describe the AVR Target Machine ----------*- tablegen -*-===//
   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 // This is the top level entry point for the AVR target.
  10 //===---------------------------------------------------------------------===//
  11
  12 //===---------------------------------------------------------------------===//
  13 // Target-independent interfaces which we are implementing
  14 //===---------------------------------------------------------------------===//
  15
  16 include "llvm/Target/Target.td"
  17
  18 //===---------------------------------------------------------------------===//
  19 // AVR Subtarget Features.
  20 //===---------------------------------------------------------------------===//
  21
  22 // :TODO: Implement the skip errata, see `gcc/config/avr/avr-arch.h` for details
  23 // :TODO: We define all devices with SRAM to have all variants of LD/ST/LDD/STD.
  24 //        In reality, avr1 (no SRAM) has one variant each of `LD` and `ST`.
  25 //        avr2 (with SRAM) adds the rest of the variants.
  26 // :TODO: s/AVRTiny/Tiny
  27
  28
  29 // A feature set aggregates features, grouping them. We don't want to create a
  30 // new member in AVRSubtarget (to store a value) for each set because we do not
  31 // care if the set is supported, only the subfeatures inside the set. We fix
  32 // this by simply setting the same dummy member for all feature sets, which is
  33 // then ignored.
  34 class FeatureSet<string name, string desc, list<SubtargetFeature> i>
  35   : SubtargetFeature<name, "m_FeatureSetDummy", "true", desc, i>;
  36
  37 // A family of microcontrollers, defining a set of supported features.
  38 class Family<string name, list<SubtargetFeature> i>
  39   : FeatureSet<name, !strconcat("The device is a part of the ",
  40                name, " family"), i>;
  41
  42 // The device has SRAM, and supports the bare minimum of
  43 // SRAM-relevant instructions.
  44 //
  45 // These are:
  46 // LD - all 9 variants
  47 // ST - all 9 variants
  48 // LDD - two variants for Y and Z
  49 // STD - two variants for Y and Z
  50 // `LDS Rd, K`
  51 // `STS k, Rr`
  52 // `PUSH`/`POP`
  53 def FeatureSRAM           : SubtargetFeature<"sram", "m_hasSRAM", "true",
  54                                   "The device has random access memory">;
  55
  56 // The device supports the `JMP k` and `CALL k` instructions.
  57 def FeatureJMPCALL        : SubtargetFeature<"jmpcall", "m_hasJMPCALL", "true",
  58                                   "The device supports the `JMP` and "
  59                                   "`CALL` instructions">;
  60
  61
  62 // The device supports the indirect branches `IJMP` and `ICALL`.
  63 def FeatureIJMPCALL       : SubtargetFeature<"ijmpcall", "m_hasIJMPCALL",
  64                                   "true",
  65                                   "The device supports `IJMP`/`ICALL`"
  66                                   "instructions">;
  67
  68 // The device supports the extended indirect branches `EIJMP` and `EICALL`.
  69 def FeatureEIJMPCALL      : SubtargetFeature<"eijmpcall", "m_hasEIJMPCALL",
  70                                   "true", "The device supports the "
  71                                   "`EIJMP`/`EICALL` instructions">;
  72
  73 // The device supports `ADDI Rd, K`, `SUBI Rd, K`.
  74 def FeatureADDSUBIW       : SubtargetFeature<"addsubiw", "m_hasADDSUBIW",
  75                                   "true", "Enable 16-bit register-immediate "
  76                                   "addition and subtraction instructions">;
  77
  78 // The device has an 8-bit stack pointer (SP) register.
  79 def FeatureSmallStack     : SubtargetFeature<"smallstack", "m_hasSmallStack",
  80                                   "true", "The device has an 8-bit "
  81                                   "stack pointer">;
  82
  83 // The device supports the 16-bit GPR pair MOVW instruction.
  84 def FeatureMOVW           : SubtargetFeature<"movw", "m_hasMOVW", "true",
  85                                   "The device supports the 16-bit MOVW "
  86                                   "instruction">;
  87
  88 // The device supports the `LPM` instruction, with implied destination being r0.
  89 def FeatureLPM            : SubtargetFeature<"lpm", "m_hasLPM", "true",
  90                                   "The device supports the `LPM` instruction">;
  91
  92 // The device supports the `LPM Rd, Z[+] instruction.
  93 def FeatureLPMX           : SubtargetFeature<"lpmx", "m_hasLPMX", "true",
  94                                   "The device supports the `LPM Rd, Z[+]` "
  95                                   "instruction">;
  96
  97 // The device supports the `ELPM` instruction.
  98 def FeatureELPM           : SubtargetFeature<"elpm", "m_hasELPM", "true",
  99                                   "The device supports the ELPM instruction">;
 100
 101 // The device supports the `ELPM Rd, Z[+]` instructions.
 102 def FeatureELPMX          : SubtargetFeature<"elpmx", "m_hasELPMX", "true",
 103                                   "The device supports the `ELPM Rd, Z[+]` "
 104                                   "instructions">;
 105
 106 // The device supports the `SPM` instruction.
 107 def FeatureSPM            : SubtargetFeature<"spm", "m_hasSPM", "true",
 108                                   "The device supports the `SPM` instruction">;
 109
 110 // The device supports the `SPM Z+` instruction.
 111 def FeatureSPMX           : SubtargetFeature<"spmx", "m_hasSPMX", "true",
 112                                   "The device supports the `SPM Z+` "
 113                                   "instruction">;
 114
 115 // The device supports the `DES k` instruction.
 116 def FeatureDES            : SubtargetFeature<"des", "m_hasDES", "true",
 117                                   "The device supports the `DES k` encryption "
 118                                   "instruction">;
 119
 120 // The device supports the Read-Write-Modify instructions
 121 // XCH, LAS, LAC, and LAT.
 122 def FeatureRMW            : SubtargetFeature<"rmw", "m_supportsRMW", "true",
 123                                   "The device supports the read-write-modify "
 124                                   "instructions: XCH, LAS, LAC, LAT">;
 125
 126 // The device supports the `[F]MUL[S][U]` family of instructions.
 127 def FeatureMultiplication : SubtargetFeature<"mul", "m_supportsMultiplication",
 128                                   "true", "The device supports the "
 129                                   "multiplication instructions">;
 130
 131 // The device supports the `BREAK` instruction.
 132 def FeatureBREAK          : SubtargetFeature<"break", "m_hasBREAK", "true",
 133                                   "The device supports the `BREAK` debugging "
 134                                   "instruction">;
 135
 136 // The device has instruction encodings specific to the Tiny core.
 137 def FeatureTinyEncoding   : SubtargetFeature<"tinyencoding",
 138                                   "m_hasTinyEncoding", "true",
 139                                   "The device has Tiny core specific "
 140                                   "instruction encodings">;
 141
 142 class ELFArch<string name>  : SubtargetFeature<"", "ELFArch",
 143                                     !strconcat("ELF::",name), "">;
 144
 145 // ELF e_flags architecture values
 146 def ELFArchAVR1    : ELFArch<"EF_AVR_ARCH_AVR1">;
 147 def ELFArchAVR2    : ELFArch<"EF_AVR_ARCH_AVR2">;
 148 def ELFArchAVR25   : ELFArch<"EF_AVR_ARCH_AVR25">;
 149 def ELFArchAVR3    : ELFArch<"EF_AVR_ARCH_AVR3">;
 150 def ELFArchAVR31   : ELFArch<"EF_AVR_ARCH_AVR31">;
 151 def ELFArchAVR35   : ELFArch<"EF_AVR_ARCH_AVR35">;
 152 def ELFArchAVR4    : ELFArch<"EF_AVR_ARCH_AVR4">;
 153 def ELFArchAVR5    : ELFArch<"EF_AVR_ARCH_AVR5">;
 154 def ELFArchAVR51   : ELFArch<"EF_AVR_ARCH_AVR51">;
 155 def ELFArchAVR6    : ELFArch<"EF_AVR_ARCH_AVR6">;
 156 def ELFArchAVRTiny : ELFArch<"EF_AVR_ARCH_AVRTINY">;
 157 def ELFArchXMEGA1  : ELFArch<"EF_AVR_ARCH_XMEGA1">;
 158 def ELFArchXMEGA2  : ELFArch<"EF_AVR_ARCH_XMEGA2">;
 159 def ELFArchXMEGA3  : ELFArch<"EF_AVR_ARCH_XMEGA3">;
 160 def ELFArchXMEGA4  : ELFArch<"EF_AVR_ARCH_XMEGA4">;
 161 def ELFArchXMEGA5  : ELFArch<"EF_AVR_ARCH_XMEGA5">;
 162 def ELFArchXMEGA6  : ELFArch<"EF_AVR_ARCH_XMEGA6">;
 163 def ELFArchXMEGA7  : ELFArch<"EF_AVR_ARCH_XMEGA7">;
 164
 165 //===---------------------------------------------------------------------===//
 166 // AVR Families
 167 //===---------------------------------------------------------------------===//
 168
 169 // The device has at least the bare minimum that **every** single AVR
 170 // device should have.
 171 def FamilyAVR0           : Family<"avr0", []>;
 172
 173 def FamilyAVR1           : Family<"avr1", [FamilyAVR0, FeatureLPM]>;
 174
 175 def FamilyAVR2           : Family<"avr2",
 176                                  [FamilyAVR1, FeatureIJMPCALL, FeatureADDSUBIW,
 177                                   FeatureSRAM]>;
 178
 179 def FamilyAVR25          : Family<"avr25",
 180                                  [FamilyAVR2, FeatureMOVW, FeatureLPMX,
 181                                   FeatureSPM, FeatureBREAK]>;
 182
 183 def FamilyAVR3           : Family<"avr3",
 184                                  [FamilyAVR2, FeatureJMPCALL]>;
 185
 186 def FamilyAVR31          : Family<"avr31",
 187                                  [FamilyAVR3, FeatureELPM]>;
 188
 189 def FamilyAVR35          : Family<"avr35",
 190                                  [FamilyAVR3, FeatureMOVW, FeatureLPMX,
 191                                   FeatureSPM, FeatureBREAK]>;
 192
 193 def FamilyAVR4           : Family<"avr4",
 194                                  [FamilyAVR2, FeatureMultiplication,
 195                                   FeatureMOVW, FeatureLPMX, FeatureSPM,
 196                                   FeatureBREAK]>;
 197
 198 def FamilyAVR5           : Family<"avr5",
 199                                  [FamilyAVR3, FeatureMultiplication,
 200                                   FeatureMOVW, FeatureLPMX, FeatureSPM,
 201                                   FeatureBREAK]>;
 202
 203 def FamilyAVR51          : Family<"avr51",
 204                                  [FamilyAVR5, FeatureELPM, FeatureELPMX]>;
 205
 206 def FamilyAVR6           : Family<"avr6",
 207                                  [FamilyAVR51]>;
 208
 209 def FamilyAVRTiny        : Family<"avrtiny",
 210                                  [FamilyAVR0, FeatureBREAK, FeatureSRAM,
 211                                   FeatureTinyEncoding]>;
 212
 213 def FamilyXMEGA          : Family<"xmega",
 214                                  [FamilyAVR51, FeatureEIJMPCALL, FeatureSPMX,
 215                                   FeatureDES]>;
 216
 217 def FamilyXMEGAU         : Family<"xmegau",
 218                                   [FamilyXMEGA, FeatureRMW]>;
 219
 220 def FeatureSetSpecial    : FeatureSet<"special",
 221                                       "Enable use of the entire instruction "
 222                                       "set - used for debugging",
 223                                       [FeatureSRAM, FeatureJMPCALL,
 224                                        FeatureIJMPCALL, FeatureEIJMPCALL,
 225                                        FeatureADDSUBIW, FeatureMOVW,
 226                                        FeatureLPM, FeatureLPMX, FeatureELPM,
 227                                        FeatureELPMX, FeatureSPM, FeatureSPMX,
 228                                        FeatureDES, FeatureRMW,
 229                                        FeatureMultiplication, FeatureBREAK]>;
 230
 231 //===---------------------------------------------------------------------===//
 232 // AVR microcontrollers supported.
 233 //===---------------------------------------------------------------------===//
 234
 235 class Device<string Name, Family Fam, ELFArch Arch,
 236              list<SubtargetFeature> ExtraFeatures = []>
 237   : Processor<Name, NoItineraries, !listconcat([Fam,Arch],ExtraFeatures)>;
 238
 239 // Generic MCUs
 240 // Note that several versions of GCC has strange ELF architecture
 241 // settings for backwards compatibility - see `gas/config/tc-avr.c`
 242 // in AVR binutils. We do not replicate this.
 243 def : Device<"avr1",      FamilyAVR1,    ELFArchAVR1>;
 244 def : Device<"avr2",      FamilyAVR2,    ELFArchAVR2>;
 245 def : Device<"avr25",     FamilyAVR25,   ELFArchAVR25>;
 246 def : Device<"avr3",      FamilyAVR3,    ELFArchAVR3>;
 247 def : Device<"avr31",     FamilyAVR31,   ELFArchAVR31>;
 248 def : Device<"avr35",     FamilyAVR35,   ELFArchAVR35>;
 249 def : Device<"avr4",      FamilyAVR4,    ELFArchAVR4>;
 250 def : Device<"avr5",      FamilyAVR5,    ELFArchAVR5>;
 251 def : Device<"avr51",     FamilyAVR51,   ELFArchAVR51>;
 252 def : Device<"avr6",      FamilyAVR6,    ELFArchAVR6>;
 253 def : Device<"avrxmega1", FamilyXMEGA,   ELFArchXMEGA1>;
 254 def : Device<"avrxmega2", FamilyXMEGA,   ELFArchXMEGA2>;
 255 def : Device<"avrxmega3", FamilyXMEGA,   ELFArchXMEGA3>;
 256 def : Device<"avrxmega4", FamilyXMEGA,   ELFArchXMEGA4>;
 257 def : Device<"avrxmega5", FamilyXMEGA,   ELFArchXMEGA5>;
 258 def : Device<"avrxmega6", FamilyXMEGA,   ELFArchXMEGA6>;
 259 def : Device<"avrxmega7", FamilyXMEGA,   ELFArchXMEGA7>;
 260 def : Device<"avrtiny",   FamilyAVRTiny, ELFArchAVRTiny>;
 261
 262 // Specific MCUs
 263 def : Device<"at90s1200",          FamilyAVR0, ELFArchAVR1>;
 264 def : Device<"attiny11",           FamilyAVR1, ELFArchAVR1>;
 265 def : Device<"attiny12",           FamilyAVR1, ELFArchAVR1>;
 266 def : Device<"attiny15",           FamilyAVR1, ELFArchAVR1>;
 267 def : Device<"attiny28",           FamilyAVR1, ELFArchAVR1>;
 268 def : Device<"at90s2313",          FamilyAVR2, ELFArchAVR2>;
 269 def : Device<"at90s2323",          FamilyAVR2, ELFArchAVR2>;
 270 def : Device<"at90s2333",          FamilyAVR2, ELFArchAVR2>;
 271 def : Device<"at90s2343",          FamilyAVR2, ELFArchAVR2>;
 272 def : Device<"attiny22",           FamilyAVR2, ELFArchAVR2>;
 273 def : Device<"attiny26",           FamilyAVR2, ELFArchAVR2, [FeatureLPMX]>;
 274 def : Device<"at86rf401",          FamilyAVR2, ELFArchAVR25,
 275              [FeatureMOVW, FeatureLPMX]>;
 276 def : Device<"at90s4414",          FamilyAVR2, ELFArchAVR2>;
 277 def : Device<"at90s4433",          FamilyAVR2, ELFArchAVR2>;
 278 def : Device<"at90s4434",          FamilyAVR2, ELFArchAVR2>;
 279 def : Device<"at90s8515",          FamilyAVR2, ELFArchAVR2>;
 280 def : Device<"at90c8534",          FamilyAVR2, ELFArchAVR2>;
 281 def : Device<"at90s8535",          FamilyAVR2, ELFArchAVR2>;
 282 def : Device<"ata5272",            FamilyAVR25, ELFArchAVR25>;
 283 def : Device<"attiny13",           FamilyAVR25, ELFArchAVR25>;
 284 def : Device<"attiny13a",          FamilyAVR25, ELFArchAVR25>;
 285 def : Device<"attiny2313",         FamilyAVR25, ELFArchAVR25>;
 286 def : Device<"attiny2313a",        FamilyAVR25, ELFArchAVR25>;
 287 def : Device<"attiny24",           FamilyAVR25, ELFArchAVR25>;
 288 def : Device<"attiny24a",          FamilyAVR25, ELFArchAVR25>;
 289 def : Device<"attiny4313",         FamilyAVR25, ELFArchAVR25>;
 290 def : Device<"attiny44",           FamilyAVR25, ELFArchAVR25>;
 291 def : Device<"attiny44a",          FamilyAVR25, ELFArchAVR25>;
 292 def : Device<"attiny84",           FamilyAVR25, ELFArchAVR25>;
 293 def : Device<"attiny84a",          FamilyAVR25, ELFArchAVR25>;
 294 def : Device<"attiny25",           FamilyAVR25, ELFArchAVR25>;
 295 def : Device<"attiny45",           FamilyAVR25, ELFArchAVR25>;
 296 def : Device<"attiny85",           FamilyAVR25, ELFArchAVR25>;
 297 def : Device<"attiny261",          FamilyAVR25, ELFArchAVR25>;
 298 def : Device<"attiny261a",         FamilyAVR25, ELFArchAVR25>;
 299 def : Device<"attiny461",          FamilyAVR25, ELFArchAVR25>;
 300 def : Device<"attiny461a",         FamilyAVR25, ELFArchAVR25>;
 301 def : Device<"attiny861",          FamilyAVR25, ELFArchAVR25>;
 302 def : Device<"attiny861a",         FamilyAVR25, ELFArchAVR25>;
 303 def : Device<"attiny87",           FamilyAVR25, ELFArchAVR25>;
 304 def : Device<"attiny43u",          FamilyAVR25, ELFArchAVR25>;
 305 def : Device<"attiny48",           FamilyAVR25, ELFArchAVR25>;
 306 def : Device<"attiny88",           FamilyAVR25, ELFArchAVR25>;
 307 def : Device<"attiny828",          FamilyAVR25, ELFArchAVR25>;
 308 def : Device<"at43usb355",         FamilyAVR3,  ELFArchAVR3>;
 309 def : Device<"at76c711",           FamilyAVR3,  ELFArchAVR3>;
 310 def : Device<"atmega103",          FamilyAVR31, ELFArchAVR31>;
 311 def : Device<"at43usb320",         FamilyAVR31, ELFArchAVR31>;
 312 def : Device<"attiny167",          FamilyAVR35, ELFArchAVR35>;
 313 def : Device<"at90usb82",          FamilyAVR35, ELFArchAVR35>;
 314 def : Device<"at90usb162",         FamilyAVR35, ELFArchAVR35>;
 315 def : Device<"ata5505",            FamilyAVR35, ELFArchAVR35>;
 316 def : Device<"atmega8u2",          FamilyAVR35, ELFArchAVR35>;
 317 def : Device<"atmega16u2",         FamilyAVR35, ELFArchAVR35>;
 318 def : Device<"atmega32u2",         FamilyAVR35, ELFArchAVR35>;
 319 def : Device<"attiny1634",         FamilyAVR35, ELFArchAVR35>;
 320 def : Device<"atmega8",            FamilyAVR4,  ELFArchAVR4>; // FIXME: family may be wrong
 321 def : Device<"ata6289",            FamilyAVR4,  ELFArchAVR4>;
 322 def : Device<"atmega8a",           FamilyAVR4,  ELFArchAVR4>;
 323 def : Device<"ata6285",            FamilyAVR4,  ELFArchAVR4>;
 324 def : Device<"ata6286",            FamilyAVR4,  ELFArchAVR4>;
 325 def : Device<"atmega48",           FamilyAVR4,  ELFArchAVR4>;
 326 def : Device<"atmega48a",          FamilyAVR4,  ELFArchAVR4>;
 327 def : Device<"atmega48pa",         FamilyAVR4,  ELFArchAVR4>;
 328 def : Device<"atmega48p",          FamilyAVR4,  ELFArchAVR4>;
 329 def : Device<"atmega88",           FamilyAVR4,  ELFArchAVR4>;
 330 def : Device<"atmega88a",          FamilyAVR4,  ELFArchAVR4>;
 331 def : Device<"atmega88p",          FamilyAVR4,  ELFArchAVR4>;
 332 def : Device<"atmega88pa",         FamilyAVR4,  ELFArchAVR4>;
 333 def : Device<"atmega8515",         FamilyAVR2,  ELFArchAVR4,
 334              [FeatureMultiplication, FeatureMOVW, FeatureLPMX, FeatureSPM]>;
 335 def : Device<"atmega8535",         FamilyAVR2,  ELFArchAVR4,
 336              [FeatureMultiplication, FeatureMOVW, FeatureLPMX, FeatureSPM]>;
 337 def : Device<"atmega8hva",         FamilyAVR4,  ELFArchAVR4>;
 338 def : Device<"at90pwm1",           FamilyAVR4,  ELFArchAVR4>;
 339 def : Device<"at90pwm2",           FamilyAVR4,  ELFArchAVR4>;
 340 def : Device<"at90pwm2b",          FamilyAVR4,  ELFArchAVR4>;
 341 def : Device<"at90pwm3",           FamilyAVR4,  ELFArchAVR4>;
 342 def : Device<"at90pwm3b",          FamilyAVR4,  ELFArchAVR4>;
 343 def : Device<"at90pwm81",          FamilyAVR4,  ELFArchAVR4>;
 344 def : Device<"ata5790",            FamilyAVR5,  ELFArchAVR5>;
 345 def : Device<"ata5795",            FamilyAVR5,  ELFArchAVR5>;
 346 def : Device<"atmega16",           FamilyAVR5,  ELFArchAVR5>;
 347 def : Device<"atmega16a",          FamilyAVR5,  ELFArchAVR5>;
 348 def : Device<"atmega161",          FamilyAVR3,  ELFArchAVR5,
 349              [FeatureMultiplication, FeatureMOVW, FeatureLPMX, FeatureSPM]>;
 350 def : Device<"atmega162",          FamilyAVR5,  ELFArchAVR5>;
 351 def : Device<"atmega163",          FamilyAVR3,  ELFArchAVR5,
 352              [FeatureMultiplication, FeatureMOVW, FeatureLPMX, FeatureSPM]>;
 353 def : Device<"atmega164a",         FamilyAVR5,  ELFArchAVR5>;
 354 def : Device<"atmega164p",         FamilyAVR5,  ELFArchAVR5>;
 355 def : Device<"atmega164pa",        FamilyAVR5,  ELFArchAVR5>;
 356 def : Device<"atmega165",          FamilyAVR5,  ELFArchAVR5>;
 357 def : Device<"atmega165a",         FamilyAVR5,  ELFArchAVR5>;
 358 def : Device<"atmega165p",         FamilyAVR5,  ELFArchAVR5>;
 359 def : Device<"atmega165pa",        FamilyAVR5,  ELFArchAVR5>;
 360 def : Device<"atmega168",          FamilyAVR5,  ELFArchAVR5>;
 361 def : Device<"atmega168a",         FamilyAVR5,  ELFArchAVR5>;
 362 def : Device<"atmega168p",         FamilyAVR5,  ELFArchAVR5>;
 363 def : Device<"atmega168pa",        FamilyAVR5,  ELFArchAVR5>;
 364 def : Device<"atmega169",          FamilyAVR5,  ELFArchAVR5>;
 365 def : Device<"atmega169a",         FamilyAVR5,  ELFArchAVR5>;
 366 def : Device<"atmega169p",         FamilyAVR5,  ELFArchAVR5>;
 367 def : Device<"atmega169pa",        FamilyAVR5,  ELFArchAVR5>;
 368 def : Device<"atmega32",           FamilyAVR5,  ELFArchAVR5>;
 369 def : Device<"atmega32a",          FamilyAVR5,  ELFArchAVR5>;
 370 def : Device<"atmega323",          FamilyAVR5,  ELFArchAVR5>;
 371 def : Device<"atmega324a",         FamilyAVR5,  ELFArchAVR5>;
 372 def : Device<"atmega324p",         FamilyAVR5,  ELFArchAVR5>;
 373 def : Device<"atmega324pa",        FamilyAVR5,  ELFArchAVR5>;
 374 def : Device<"atmega325",          FamilyAVR5,  ELFArchAVR5>;
 375 def : Device<"atmega325a",         FamilyAVR5,  ELFArchAVR5>;
 376 def : Device<"atmega325p",         FamilyAVR5,  ELFArchAVR5>;
 377 def : Device<"atmega325pa",        FamilyAVR5,  ELFArchAVR5>;
 378 def : Device<"atmega3250",         FamilyAVR5,  ELFArchAVR5>;
 379 def : Device<"atmega3250a",        FamilyAVR5,  ELFArchAVR5>;
 380 def : Device<"atmega3250p",        FamilyAVR5,  ELFArchAVR5>;
 381 def : Device<"atmega3250pa",       FamilyAVR5,  ELFArchAVR5>;
 382 def : Device<"atmega328",          FamilyAVR5,  ELFArchAVR5>;
 383 def : Device<"atmega328p",         FamilyAVR5,  ELFArchAVR5>;
 384 def : Device<"atmega329",          FamilyAVR5,  ELFArchAVR5>;
 385 def : Device<"atmega329a",         FamilyAVR5,  ELFArchAVR5>;
 386 def : Device<"atmega329p",         FamilyAVR5,  ELFArchAVR5>;
 387 def : Device<"atmega329pa",        FamilyAVR5,  ELFArchAVR5>;
 388 def : Device<"atmega3290",         FamilyAVR5,  ELFArchAVR5>;
 389 def : Device<"atmega3290a",        FamilyAVR5,  ELFArchAVR5>;
 390 def : Device<"atmega3290p",        FamilyAVR5,  ELFArchAVR5>;
 391 def : Device<"atmega3290pa",       FamilyAVR5,  ELFArchAVR5>;
 392 def : Device<"atmega406",          FamilyAVR5,  ELFArchAVR5>;
 393 def : Device<"atmega64",           FamilyAVR5,  ELFArchAVR5>;
 394 def : Device<"atmega64a",          FamilyAVR5,  ELFArchAVR5>;
 395 def : Device<"atmega640",          FamilyAVR5,  ELFArchAVR5>;
 396 def : Device<"atmega644",          FamilyAVR5,  ELFArchAVR5>;
 397 def : Device<"atmega644a",         FamilyAVR5,  ELFArchAVR5>;
 398 def : Device<"atmega644p",         FamilyAVR5,  ELFArchAVR5>;
 399 def : Device<"atmega644pa",        FamilyAVR5,  ELFArchAVR5>;
 400 def : Device<"atmega645",          FamilyAVR5,  ELFArchAVR5>;
 401 def : Device<"atmega645a",         FamilyAVR5,  ELFArchAVR5>;
 402 def : Device<"atmega645p",         FamilyAVR5,  ELFArchAVR5>;
 403 def : Device<"atmega649",          FamilyAVR5,  ELFArchAVR5>;
 404 def : Device<"atmega649a",         FamilyAVR5,  ELFArchAVR5>;
 405 def : Device<"atmega649p",         FamilyAVR5,  ELFArchAVR5>;
 406 def : Device<"atmega6450",         FamilyAVR5,  ELFArchAVR5>;
 407 def : Device<"atmega6450a",        FamilyAVR5,  ELFArchAVR5>;
 408 def : Device<"atmega6450p",        FamilyAVR5,  ELFArchAVR5>;
 409 def : Device<"atmega6490",         FamilyAVR5,  ELFArchAVR5>;
 410 def : Device<"atmega6490a",        FamilyAVR5,  ELFArchAVR5>;
 411 def : Device<"atmega6490p",        FamilyAVR5,  ELFArchAVR5>;
 412 def : Device<"atmega64rfr2",       FamilyAVR5,  ELFArchAVR5>;
 413 def : Device<"atmega644rfr2",      FamilyAVR5,  ELFArchAVR5>;
 414 def : Device<"atmega16hva",        FamilyAVR5,  ELFArchAVR5>;
 415 def : Device<"atmega16hva2",       FamilyAVR5,  ELFArchAVR5>;
 416 def : Device<"atmega16hvb",        FamilyAVR5,  ELFArchAVR5>;
 417 def : Device<"atmega16hvbrevb",    FamilyAVR5,  ELFArchAVR5>;
 418 def : Device<"atmega32hvb",        FamilyAVR5,  ELFArchAVR5>;
 419 def : Device<"atmega32hvbrevb",    FamilyAVR5,  ELFArchAVR5>;
 420 def : Device<"atmega64hve",        FamilyAVR5,  ELFArchAVR5>;
 421 def : Device<"at90can32",          FamilyAVR5,  ELFArchAVR5>;
 422 def : Device<"at90can64",          FamilyAVR5,  ELFArchAVR5>;
 423 def : Device<"at90pwm161",         FamilyAVR5,  ELFArchAVR5>;
 424 def : Device<"at90pwm216",         FamilyAVR5,  ELFArchAVR5>;
 425 def : Device<"at90pwm316",         FamilyAVR5,  ELFArchAVR5>;
 426 def : Device<"atmega32c1",         FamilyAVR5,  ELFArchAVR5>;
 427 def : Device<"atmega64c1",         FamilyAVR5,  ELFArchAVR5>;
 428 def : Device<"atmega16m1",         FamilyAVR5,  ELFArchAVR5>;
 429 def : Device<"atmega32m1",         FamilyAVR5,  ELFArchAVR5>;
 430 def : Device<"atmega64m1",         FamilyAVR5,  ELFArchAVR5>;
 431 def : Device<"atmega16u4",         FamilyAVR5,  ELFArchAVR5>;
 432 def : Device<"atmega32u4",         FamilyAVR5,  ELFArchAVR5>;
 433 def : Device<"atmega32u6",         FamilyAVR5,  ELFArchAVR5>;
 434 def : Device<"at90usb646",         FamilyAVR5,  ELFArchAVR5>;
 435 def : Device<"at90usb647",         FamilyAVR5,  ELFArchAVR5>;
 436 def : Device<"at90scr100",         FamilyAVR5,  ELFArchAVR5>;
 437 def : Device<"at94k",              FamilyAVR3,  ELFArchAVR5,
 438              [FeatureMultiplication, FeatureMOVW, FeatureLPMX]>;
 439 def : Device<"m3000",              FamilyAVR5,  ELFArchAVR5>;
 440 def : Device<"atmega128",          FamilyAVR51, ELFArchAVR51>;
 441 def : Device<"atmega128a",         FamilyAVR51, ELFArchAVR51>;
 442 def : Device<"atmega1280",         FamilyAVR51, ELFArchAVR51>;
 443 def : Device<"atmega1281",         FamilyAVR51, ELFArchAVR51>;
 444 def : Device<"atmega1284",         FamilyAVR51, ELFArchAVR51>;
 445 def : Device<"atmega1284p",        FamilyAVR51, ELFArchAVR51>;
 446 def : Device<"atmega128rfa1",      FamilyAVR51, ELFArchAVR51>;
 447 def : Device<"atmega128rfr2",      FamilyAVR51, ELFArchAVR51>;
 448 def : Device<"atmega1284rfr2",     FamilyAVR51, ELFArchAVR51>;
 449 def : Device<"at90can128",         FamilyAVR51, ELFArchAVR51>;
 450 def : Device<"at90usb1286",        FamilyAVR51, ELFArchAVR51>;
 451 def : Device<"at90usb1287",        FamilyAVR51, ELFArchAVR51>;
 452 def : Device<"atmega2560",         FamilyAVR6,  ELFArchAVR6>;
 453 def : Device<"atmega2561",         FamilyAVR6,  ELFArchAVR6>;
 454 def : Device<"atmega256rfr2",      FamilyAVR6,  ELFArchAVR6>;
 455 def : Device<"atmega2564rfr2",     FamilyAVR6,  ELFArchAVR6>;
 456 def : Device<"atxmega16a4",        FamilyXMEGA, ELFArchXMEGA2>;
 457 def : Device<"atxmega16a4u",       FamilyXMEGAU, ELFArchXMEGA2>;
 458 def : Device<"atxmega16c4",        FamilyXMEGAU, ELFArchXMEGA2>;
 459 def : Device<"atxmega16d4",        FamilyXMEGA, ELFArchXMEGA2>;
 460 def : Device<"atxmega32a4",        FamilyXMEGA, ELFArchXMEGA2>;
 461 def : Device<"atxmega32a4u",       FamilyXMEGAU, ELFArchXMEGA2>;
 462 def : Device<"atxmega32c4",        FamilyXMEGAU, ELFArchXMEGA2>;
 463 def : Device<"atxmega32d4",        FamilyXMEGA, ELFArchXMEGA2>;
 464 def : Device<"atxmega32e5",        FamilyXMEGA, ELFArchXMEGA2>;
 465 def : Device<"atxmega16e5",        FamilyXMEGA, ELFArchXMEGA2>;
 466 def : Device<"atxmega8e5",         FamilyXMEGA, ELFArchXMEGA2>;
 467 def : Device<"atxmega32x1",        FamilyXMEGA, ELFArchXMEGA2>;
 468 def : Device<"atxmega64a3",        FamilyXMEGA, ELFArchXMEGA4>;
 469 def : Device<"atxmega64a3u",       FamilyXMEGAU, ELFArchXMEGA4>;
 470 def : Device<"atxmega64a4u",       FamilyXMEGAU, ELFArchXMEGA4>;
 471 def : Device<"atxmega64b1",        FamilyXMEGAU, ELFArchXMEGA4>;
 472 def : Device<"atxmega64b3",        FamilyXMEGAU, ELFArchXMEGA4>;
 473 def : Device<"atxmega64c3",        FamilyXMEGAU, ELFArchXMEGA4>;
 474 def : Device<"atxmega64d3",        FamilyXMEGA, ELFArchXMEGA4>;
 475 def : Device<"atxmega64d4",        FamilyXMEGA, ELFArchXMEGA4>;
 476 def : Device<"atxmega64a1",        FamilyXMEGA, ELFArchXMEGA5>;
 477 def : Device<"atxmega64a1u",       FamilyXMEGAU, ELFArchXMEGA5>;
 478 def : Device<"atxmega128a3",       FamilyXMEGA, ELFArchXMEGA6>;
 479 def : Device<"atxmega128a3u",      FamilyXMEGAU, ELFArchXMEGA6>;
 480 def : Device<"atxmega128b1",       FamilyXMEGAU, ELFArchXMEGA6>;
 481 def : Device<"atxmega128b3",       FamilyXMEGAU, ELFArchXMEGA6>;
 482 def : Device<"atxmega128c3",       FamilyXMEGAU, ELFArchXMEGA6>;
 483 def : Device<"atxmega128d3",       FamilyXMEGA, ELFArchXMEGA6>;
 484 def : Device<"atxmega128d4",       FamilyXMEGA, ELFArchXMEGA6>;
 485 def : Device<"atxmega192a3",       FamilyXMEGA, ELFArchXMEGA6>;
 486 def : Device<"atxmega192a3u",      FamilyXMEGAU, ELFArchXMEGA6>;
 487 def : Device<"atxmega192c3",       FamilyXMEGAU, ELFArchXMEGA6>;
 488 def : Device<"atxmega192d3",       FamilyXMEGA, ELFArchXMEGA6>;
 489 def : Device<"atxmega256a3",       FamilyXMEGA, ELFArchXMEGA6>;
 490 def : Device<"atxmega256a3u",      FamilyXMEGAU, ELFArchXMEGA6>;
 491 def : Device<"atxmega256a3b",      FamilyXMEGA, ELFArchXMEGA6>;
 492 def : Device<"atxmega256a3bu",     FamilyXMEGAU, ELFArchXMEGA6>;
 493 def : Device<"atxmega256c3",       FamilyXMEGAU, ELFArchXMEGA6>;
 494 def : Device<"atxmega256d3",       FamilyXMEGA, ELFArchXMEGA6>;
 495 def : Device<"atxmega384c3",       FamilyXMEGAU, ELFArchXMEGA6>;
 496 def : Device<"atxmega384d3",       FamilyXMEGA, ELFArchXMEGA6>;
 497 def : Device<"atxmega128a1",       FamilyXMEGA, ELFArchXMEGA7>;
 498 def : Device<"atxmega128a1u",      FamilyXMEGAU, ELFArchXMEGA7>;
 499 def : Device<"atxmega128a4u",      FamilyXMEGAU, ELFArchXMEGA7>;
 500 def : Device<"attiny4",            FamilyAVRTiny, ELFArchAVRTiny>;
 501 def : Device<"attiny5",            FamilyAVRTiny, ELFArchAVRTiny>;
 502 def : Device<"attiny9",            FamilyAVRTiny, ELFArchAVRTiny>;
 503 def : Device<"attiny10",           FamilyAVRTiny, ELFArchAVRTiny>;
 504 def : Device<"attiny20",           FamilyAVRTiny, ELFArchAVRTiny>;
 505 def : Device<"attiny40",           FamilyAVRTiny, ELFArchAVRTiny>;
 506
 507 //===---------------------------------------------------------------------===//
 508 // Register File Description
 509 //===---------------------------------------------------------------------===//
 510
 511 include "AVRRegisterInfo.td"
 512
 513 //===---------------------------------------------------------------------===//
 514 // Instruction Descriptions
 515 //===---------------------------------------------------------------------===//
 516
 517 //include "AVRInstrInfo.td"
 518
 519 //def AVRInstrInfo : InstrInfo;
 520
 521 //===---------------------------------------------------------------------===//
 522 // Calling Conventions
 523 //===---------------------------------------------------------------------===//
 524
 525 //include "AVRCallingConv.td"
 526
 527 //===---------------------------------------------------------------------===//
 528 // Assembly Printers
 529 //===---------------------------------------------------------------------===//
 530
 531 // def AVRAsmWriter : AsmWriter {
 532 //  string AsmWriterClassName = "InstPrinter";
 533 //  bit isMCAsmWriter = 1;
 534 // }
 535
 536 //===---------------------------------------------------------------------===//
 537 // Assembly Parsers
 538 //===---------------------------------------------------------------------===//
 539
 540 // def AVRAsmParser : AsmParser {
 541 //   let ShouldEmitMatchRegisterName = 1;
 542 //   let ShouldEmitMatchRegisterAltName = 1;
 543 // }
 544
 545 // def AVRAsmParserVariant : AsmParserVariant {
 546 //   int Variant = 0;
 547 //
 548 //   // Recognize hard coded registers.
 549 //   string RegisterPrefix = "$";
 550 // }
 551
 552 //===---------------------------------------------------------------------===//
 553 // Target Declaration
 554 //===---------------------------------------------------------------------===//
 555
 556 def AVR : Target {
 557 //   let InstructionSet         = AVRInstrInfo;
 558 //   let AssemblyWriters        = [AVRAsmWriter];
 559 //
 560 //   let AssemblyParsers        = [AVRAsmParser];
 561 //   let AssemblyParserVariants = [AVRAsmParserVariant];
 562 }
 563