| 1 | /*===- TableGen'erated file -------------------------------------*- C++ -*-===*\ |
| 2 | |* *| |
| 3 | |* Target Register Enum Values *| |
| 4 | |* *| |
| 5 | |* Automatically generated file, do not edit! *| |
| 6 | |* *| |
| 7 | \*===----------------------------------------------------------------------===*/ |
| 8 | |
| 9 | |
| 10 | #ifdef GET_REGINFO_ENUM |
| 11 | #undef GET_REGINFO_ENUM |
| 12 | |
| 13 | namespace llvm { |
| 14 | |
| 15 | class MCRegisterClass; |
| 16 | extern const MCRegisterClass XCoreMCRegisterClasses[]; |
| 17 | |
| 18 | namespace XCore { |
| 19 | enum : unsigned { |
| 20 | NoRegister, |
| 21 | CP = 1, |
| 22 | DP = 2, |
| 23 | LR = 3, |
| 24 | SP = 4, |
| 25 | R0 = 5, |
| 26 | R1 = 6, |
| 27 | R2 = 7, |
| 28 | R3 = 8, |
| 29 | R4 = 9, |
| 30 | R5 = 10, |
| 31 | R6 = 11, |
| 32 | R7 = 12, |
| 33 | R8 = 13, |
| 34 | R9 = 14, |
| 35 | R10 = 15, |
| 36 | R11 = 16, |
| 37 | NUM_TARGET_REGS // 17 |
| 38 | }; |
| 39 | } // end namespace XCore |
| 40 | |
| 41 | // Register classes |
| 42 | |
| 43 | namespace XCore { |
| 44 | enum { |
| 45 | RRegsRegClassID = 0, |
| 46 | GRRegsRegClassID = 1, |
| 47 | |
| 48 | }; |
| 49 | } // end namespace XCore |
| 50 | |
| 51 | // Register pressure sets enum. |
| 52 | namespace XCore { |
| 53 | enum RegisterPressureSets { |
| 54 | GRRegs = 0, |
| 55 | }; |
| 56 | } // end namespace XCore |
| 57 | |
| 58 | } // end namespace llvm |
| 59 | |
| 60 | #endif // GET_REGINFO_ENUM |
| 61 | |
| 62 | /*===- TableGen'erated file -------------------------------------*- C++ -*-===*\ |
| 63 | |* *| |
| 64 | |* MC Register Information *| |
| 65 | |* *| |
| 66 | |* Automatically generated file, do not edit! *| |
| 67 | |* *| |
| 68 | \*===----------------------------------------------------------------------===*/ |
| 69 | |
| 70 | |
| 71 | #ifdef GET_REGINFO_MC_DESC |
| 72 | #undef GET_REGINFO_MC_DESC |
| 73 | |
| 74 | namespace llvm { |
| 75 | |
| 76 | extern const int16_t XCoreRegDiffLists[] = { |
| 77 | /* 0 */ 0, |
| 78 | }; |
| 79 | |
| 80 | extern const LaneBitmask XCoreLaneMaskLists[] = { |
| 81 | /* 0 */ LaneBitmask(0xFFFFFFFFFFFFFFFF), |
| 82 | }; |
| 83 | |
| 84 | extern const uint16_t XCoreSubRegIdxLists[] = { |
| 85 | /* 0 */ |
| 86 | /* dummy */ 0 |
| 87 | }; |
| 88 | |
| 89 | |
| 90 | #ifdef __GNUC__ |
| 91 | #pragma GCC diagnostic push |
| 92 | #pragma GCC diagnostic ignored "-Woverlength-strings" |
| 93 | #endif |
| 94 | extern const char XCoreRegStrings[] = { |
| 95 | /* 0 */ "R10\000" |
| 96 | /* 4 */ "R0\000" |
| 97 | /* 7 */ "R11\000" |
| 98 | /* 11 */ "R1\000" |
| 99 | /* 14 */ "R2\000" |
| 100 | /* 17 */ "R3\000" |
| 101 | /* 20 */ "R4\000" |
| 102 | /* 23 */ "R5\000" |
| 103 | /* 26 */ "R6\000" |
| 104 | /* 29 */ "R7\000" |
| 105 | /* 32 */ "R8\000" |
| 106 | /* 35 */ "R9\000" |
| 107 | /* 38 */ "CP\000" |
| 108 | /* 41 */ "DP\000" |
| 109 | /* 44 */ "SP\000" |
| 110 | /* 47 */ "LR\000" |
| 111 | }; |
| 112 | #ifdef __GNUC__ |
| 113 | #pragma GCC diagnostic pop |
| 114 | #endif |
| 115 | |
| 116 | extern const MCRegisterDesc XCoreRegDesc[] = { // Descriptors |
| 117 | { 3, 0, 0, 0, 0, 0, 0, 0 }, |
| 118 | { 38, 0, 0, 0, 0, 0, 0, 0 }, |
| 119 | { 41, 0, 0, 0, 1, 0, 0, 0 }, |
| 120 | { 47, 0, 0, 0, 2, 0, 0, 0 }, |
| 121 | { 44, 0, 0, 0, 3, 0, 0, 0 }, |
| 122 | { 4, 0, 0, 0, 4, 0, 0, 0 }, |
| 123 | { 11, 0, 0, 0, 5, 0, 0, 0 }, |
| 124 | { 14, 0, 0, 0, 6, 0, 0, 0 }, |
| 125 | { 17, 0, 0, 0, 7, 0, 0, 0 }, |
| 126 | { 20, 0, 0, 0, 8, 0, 0, 0 }, |
| 127 | { 23, 0, 0, 0, 9, 0, 0, 0 }, |
| 128 | { 26, 0, 0, 0, 10, 0, 0, 0 }, |
| 129 | { 29, 0, 0, 0, 11, 0, 0, 0 }, |
| 130 | { 32, 0, 0, 0, 12, 0, 0, 0 }, |
| 131 | { 35, 0, 0, 0, 13, 0, 0, 0 }, |
| 132 | { 0, 0, 0, 0, 14, 0, 0, 0 }, |
| 133 | { 7, 0, 0, 0, 15, 0, 0, 0 }, |
| 134 | }; |
| 135 | |
| 136 | extern const MCPhysReg XCoreRegUnitRoots[][2] = { |
| 137 | { XCore::CP }, |
| 138 | { XCore::DP }, |
| 139 | { XCore::LR }, |
| 140 | { XCore::SP }, |
| 141 | { XCore::R0 }, |
| 142 | { XCore::R1 }, |
| 143 | { XCore::R2 }, |
| 144 | { XCore::R3 }, |
| 145 | { XCore::R4 }, |
| 146 | { XCore::R5 }, |
| 147 | { XCore::R6 }, |
| 148 | { XCore::R7 }, |
| 149 | { XCore::R8 }, |
| 150 | { XCore::R9 }, |
| 151 | { XCore::R10 }, |
| 152 | { XCore::R11 }, |
| 153 | }; |
| 154 | |
| 155 | namespace { // Register classes... |
| 156 | // RRegs Register Class... |
| 157 | const MCPhysReg RRegs[] = { |
| 158 | XCore::R0, XCore::R1, XCore::R2, XCore::R3, XCore::R4, XCore::R5, XCore::R6, XCore::R7, XCore::R8, XCore::R9, XCore::R10, XCore::R11, XCore::CP, XCore::DP, XCore::SP, XCore::LR, |
| 159 | }; |
| 160 | |
| 161 | // RRegs Bit set. |
| 162 | const uint8_t RRegsBits[] = { |
| 163 | 0xfe, 0xff, 0x01, |
| 164 | }; |
| 165 | |
| 166 | // GRRegs Register Class... |
| 167 | const MCPhysReg GRRegs[] = { |
| 168 | XCore::R0, XCore::R1, XCore::R2, XCore::R3, XCore::R4, XCore::R5, XCore::R6, XCore::R7, XCore::R8, XCore::R9, XCore::R10, XCore::R11, |
| 169 | }; |
| 170 | |
| 171 | // GRRegs Bit set. |
| 172 | const uint8_t GRRegsBits[] = { |
| 173 | 0xe0, 0xff, 0x01, |
| 174 | }; |
| 175 | |
| 176 | } // end anonymous namespace |
| 177 | |
| 178 | |
| 179 | #ifdef __GNUC__ |
| 180 | #pragma GCC diagnostic push |
| 181 | #pragma GCC diagnostic ignored "-Woverlength-strings" |
| 182 | #endif |
| 183 | extern const char XCoreRegClassStrings[] = { |
| 184 | /* 0 */ "GRRegs\000" |
| 185 | }; |
| 186 | #ifdef __GNUC__ |
| 187 | #pragma GCC diagnostic pop |
| 188 | #endif |
| 189 | |
| 190 | extern const MCRegisterClass XCoreMCRegisterClasses[] = { |
| 191 | { RRegs, RRegsBits, 1, 16, sizeof(RRegsBits), XCore::RRegsRegClassID, 32, 1, false, false }, |
| 192 | { GRRegs, GRRegsBits, 0, 12, sizeof(GRRegsBits), XCore::GRRegsRegClassID, 32, 1, true, false }, |
| 193 | }; |
| 194 | |
| 195 | // XCore Dwarf<->LLVM register mappings. |
| 196 | extern const MCRegisterInfo::DwarfLLVMRegPair XCoreDwarfFlavour0Dwarf2L[] = { |
| 197 | { 0U, XCore::R0 }, |
| 198 | { 1U, XCore::R1 }, |
| 199 | { 2U, XCore::R2 }, |
| 200 | { 3U, XCore::R3 }, |
| 201 | { 4U, XCore::R4 }, |
| 202 | { 5U, XCore::R5 }, |
| 203 | { 6U, XCore::R6 }, |
| 204 | { 7U, XCore::R7 }, |
| 205 | { 8U, XCore::R8 }, |
| 206 | { 9U, XCore::R9 }, |
| 207 | { 10U, XCore::R10 }, |
| 208 | { 11U, XCore::R11 }, |
| 209 | { 12U, XCore::CP }, |
| 210 | { 13U, XCore::DP }, |
| 211 | { 14U, XCore::SP }, |
| 212 | { 15U, XCore::LR }, |
| 213 | }; |
| 214 | extern const unsigned XCoreDwarfFlavour0Dwarf2LSize = std::size(XCoreDwarfFlavour0Dwarf2L); |
| 215 | |
| 216 | extern const MCRegisterInfo::DwarfLLVMRegPair XCoreEHFlavour0Dwarf2L[] = { |
| 217 | { 0U, XCore::R0 }, |
| 218 | { 1U, XCore::R1 }, |
| 219 | { 2U, XCore::R2 }, |
| 220 | { 3U, XCore::R3 }, |
| 221 | { 4U, XCore::R4 }, |
| 222 | { 5U, XCore::R5 }, |
| 223 | { 6U, XCore::R6 }, |
| 224 | { 7U, XCore::R7 }, |
| 225 | { 8U, XCore::R8 }, |
| 226 | { 9U, XCore::R9 }, |
| 227 | { 10U, XCore::R10 }, |
| 228 | { 11U, XCore::R11 }, |
| 229 | { 12U, XCore::CP }, |
| 230 | { 13U, XCore::DP }, |
| 231 | { 14U, XCore::SP }, |
| 232 | { 15U, XCore::LR }, |
| 233 | }; |
| 234 | extern const unsigned XCoreEHFlavour0Dwarf2LSize = std::size(XCoreEHFlavour0Dwarf2L); |
| 235 | |
| 236 | extern const MCRegisterInfo::DwarfLLVMRegPair XCoreDwarfFlavour0L2Dwarf[] = { |
| 237 | { XCore::CP, 12U }, |
| 238 | { XCore::DP, 13U }, |
| 239 | { XCore::LR, 15U }, |
| 240 | { XCore::SP, 14U }, |
| 241 | { XCore::R0, 0U }, |
| 242 | { XCore::R1, 1U }, |
| 243 | { XCore::R2, 2U }, |
| 244 | { XCore::R3, 3U }, |
| 245 | { XCore::R4, 4U }, |
| 246 | { XCore::R5, 5U }, |
| 247 | { XCore::R6, 6U }, |
| 248 | { XCore::R7, 7U }, |
| 249 | { XCore::R8, 8U }, |
| 250 | { XCore::R9, 9U }, |
| 251 | { XCore::R10, 10U }, |
| 252 | { XCore::R11, 11U }, |
| 253 | }; |
| 254 | extern const unsigned XCoreDwarfFlavour0L2DwarfSize = std::size(XCoreDwarfFlavour0L2Dwarf); |
| 255 | |
| 256 | extern const MCRegisterInfo::DwarfLLVMRegPair XCoreEHFlavour0L2Dwarf[] = { |
| 257 | { XCore::CP, 12U }, |
| 258 | { XCore::DP, 13U }, |
| 259 | { XCore::LR, 15U }, |
| 260 | { XCore::SP, 14U }, |
| 261 | { XCore::R0, 0U }, |
| 262 | { XCore::R1, 1U }, |
| 263 | { XCore::R2, 2U }, |
| 264 | { XCore::R3, 3U }, |
| 265 | { XCore::R4, 4U }, |
| 266 | { XCore::R5, 5U }, |
| 267 | { XCore::R6, 6U }, |
| 268 | { XCore::R7, 7U }, |
| 269 | { XCore::R8, 8U }, |
| 270 | { XCore::R9, 9U }, |
| 271 | { XCore::R10, 10U }, |
| 272 | { XCore::R11, 11U }, |
| 273 | }; |
| 274 | extern const unsigned XCoreEHFlavour0L2DwarfSize = std::size(XCoreEHFlavour0L2Dwarf); |
| 275 | |
| 276 | extern const uint16_t XCoreRegEncodingTable[] = { |
| 277 | 0, |
| 278 | 0, |
| 279 | 0, |
| 280 | 0, |
| 281 | 0, |
| 282 | 0, |
| 283 | 0, |
| 284 | 0, |
| 285 | 0, |
| 286 | 0, |
| 287 | 0, |
| 288 | 0, |
| 289 | 0, |
| 290 | 0, |
| 291 | 0, |
| 292 | 0, |
| 293 | 0, |
| 294 | }; |
| 295 | static inline void InitXCoreMCRegisterInfo(MCRegisterInfo *RI, unsigned RA, unsigned DwarfFlavour = 0, unsigned EHFlavour = 0, unsigned PC = 0) { |
| 296 | RI->InitMCRegisterInfo(XCoreRegDesc, 17, RA, PC, XCoreMCRegisterClasses, 2, XCoreRegUnitRoots, 16, XCoreRegDiffLists, XCoreLaneMaskLists, XCoreRegStrings, XCoreRegClassStrings, XCoreSubRegIdxLists, 1, |
| 297 | XCoreRegEncodingTable); |
| 298 | |
| 299 | switch (DwarfFlavour) { |
| 300 | default: |
| 301 | llvm_unreachable("Unknown DWARF flavour" ); |
| 302 | case 0: |
| 303 | RI->mapDwarfRegsToLLVMRegs(XCoreDwarfFlavour0Dwarf2L, XCoreDwarfFlavour0Dwarf2LSize, false); |
| 304 | break; |
| 305 | } |
| 306 | switch (EHFlavour) { |
| 307 | default: |
| 308 | llvm_unreachable("Unknown DWARF flavour" ); |
| 309 | case 0: |
| 310 | RI->mapDwarfRegsToLLVMRegs(XCoreEHFlavour0Dwarf2L, XCoreEHFlavour0Dwarf2LSize, true); |
| 311 | break; |
| 312 | } |
| 313 | switch (DwarfFlavour) { |
| 314 | default: |
| 315 | llvm_unreachable("Unknown DWARF flavour" ); |
| 316 | case 0: |
| 317 | RI->mapLLVMRegsToDwarfRegs(XCoreDwarfFlavour0L2Dwarf, XCoreDwarfFlavour0L2DwarfSize, false); |
| 318 | break; |
| 319 | } |
| 320 | switch (EHFlavour) { |
| 321 | default: |
| 322 | llvm_unreachable("Unknown DWARF flavour" ); |
| 323 | case 0: |
| 324 | RI->mapLLVMRegsToDwarfRegs(XCoreEHFlavour0L2Dwarf, XCoreEHFlavour0L2DwarfSize, true); |
| 325 | break; |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | } // end namespace llvm |
| 330 | |
| 331 | #endif // GET_REGINFO_MC_DESC |
| 332 | |
| 333 | /*===- TableGen'erated file -------------------------------------*- C++ -*-===*\ |
| 334 | |* *| |
| 335 | |* Register Information Header Fragment *| |
| 336 | |* *| |
| 337 | |* Automatically generated file, do not edit! *| |
| 338 | |* *| |
| 339 | \*===----------------------------------------------------------------------===*/ |
| 340 | |
| 341 | |
| 342 | #ifdef GET_REGINFO_HEADER |
| 343 | #undef GET_REGINFO_HEADER |
| 344 | |
| 345 | #include "llvm/CodeGen/TargetRegisterInfo.h" |
| 346 | |
| 347 | namespace llvm { |
| 348 | |
| 349 | class XCoreFrameLowering; |
| 350 | |
| 351 | struct XCoreGenRegisterInfo : public TargetRegisterInfo { |
| 352 | explicit XCoreGenRegisterInfo(unsigned RA, unsigned D = 0, unsigned E = 0, |
| 353 | unsigned PC = 0, unsigned HwMode = 0); |
| 354 | const RegClassWeight &getRegClassWeight(const TargetRegisterClass *RC) const override; |
| 355 | unsigned getRegUnitWeight(unsigned RegUnit) const override; |
| 356 | unsigned getNumRegPressureSets() const override; |
| 357 | const char *getRegPressureSetName(unsigned Idx) const override; |
| 358 | unsigned getRegPressureSetLimit(const MachineFunction &MF, unsigned Idx) const override; |
| 359 | const int *getRegClassPressureSets(const TargetRegisterClass *RC) const override; |
| 360 | const int *getRegUnitPressureSets(unsigned RegUnit) const override; |
| 361 | ArrayRef<const char *> getRegMaskNames() const override; |
| 362 | ArrayRef<const uint32_t *> getRegMasks() const override; |
| 363 | bool isGeneralPurposeRegister(const MachineFunction &, MCRegister) const override; |
| 364 | bool isGeneralPurposeRegisterClass(const TargetRegisterClass *RC) const override; |
| 365 | bool isFixedRegister(const MachineFunction &, MCRegister) const override; |
| 366 | bool isArgumentRegister(const MachineFunction &, MCRegister) const override; |
| 367 | bool isConstantPhysReg(MCRegister PhysReg) const override final; |
| 368 | /// Devirtualized TargetFrameLowering. |
| 369 | static const XCoreFrameLowering *getFrameLowering( |
| 370 | const MachineFunction &MF); |
| 371 | }; |
| 372 | |
| 373 | namespace XCore { // Register classes |
| 374 | extern const TargetRegisterClass RRegsRegClass; |
| 375 | extern const TargetRegisterClass GRRegsRegClass; |
| 376 | } // end namespace XCore |
| 377 | |
| 378 | } // end namespace llvm |
| 379 | |
| 380 | #endif // GET_REGINFO_HEADER |
| 381 | |
| 382 | /*===- TableGen'erated file -------------------------------------*- C++ -*-===*\ |
| 383 | |* *| |
| 384 | |* Target Register and Register Classes Information *| |
| 385 | |* *| |
| 386 | |* Automatically generated file, do not edit! *| |
| 387 | |* *| |
| 388 | \*===----------------------------------------------------------------------===*/ |
| 389 | |
| 390 | |
| 391 | #ifdef GET_REGINFO_TARGET_DESC |
| 392 | #undef GET_REGINFO_TARGET_DESC |
| 393 | |
| 394 | namespace llvm { |
| 395 | |
| 396 | extern const MCRegisterClass XCoreMCRegisterClasses[]; |
| 397 | |
| 398 | static const MVT::SimpleValueType VTLists[] = { |
| 399 | /* 0 */ MVT::i32, MVT::Other, |
| 400 | }; |
| 401 | |
| 402 | static const char *SubRegIndexNameTable[] = { "" }; |
| 403 | |
| 404 | static const TargetRegisterInfo::SubRegCoveredBits SubRegIdxRangeTable[] = { |
| 405 | { 65535, 65535 }, |
| 406 | }; |
| 407 | |
| 408 | |
| 409 | static const LaneBitmask SubRegIndexLaneMaskTable[] = { |
| 410 | LaneBitmask::getAll(), |
| 411 | }; |
| 412 | |
| 413 | |
| 414 | |
| 415 | static const TargetRegisterInfo::RegClassInfo RegClassInfos[] = { |
| 416 | // Mode = 0 (Default) |
| 417 | { 32, 32, 32, /*VTLists+*/0 }, // RRegs |
| 418 | { 32, 32, 32, /*VTLists+*/0 }, // GRRegs |
| 419 | }; |
| 420 | static const uint32_t RRegsSubClassMask[] = { |
| 421 | 0x00000003, |
| 422 | }; |
| 423 | |
| 424 | static const uint32_t GRRegsSubClassMask[] = { |
| 425 | 0x00000002, |
| 426 | }; |
| 427 | |
| 428 | static const uint16_t SuperRegIdxSeqs[] = { |
| 429 | /* 0 */ 0, |
| 430 | }; |
| 431 | |
| 432 | static unsigned const GRRegsSuperclasses[] = { |
| 433 | XCore::RRegsRegClassID, |
| 434 | }; |
| 435 | |
| 436 | |
| 437 | namespace XCore { // Register class instances |
| 438 | extern const TargetRegisterClass RRegsRegClass = { |
| 439 | &XCoreMCRegisterClasses[RRegsRegClassID], |
| 440 | RRegsSubClassMask, |
| 441 | SuperRegIdxSeqs + 0, |
| 442 | LaneBitmask(0x0000000000000001), |
| 443 | 0, |
| 444 | false, |
| 445 | 0x00, /* TSFlags */ |
| 446 | false, /* HasDisjunctSubRegs */ |
| 447 | false, /* CoveredBySubRegs */ |
| 448 | nullptr, 0, |
| 449 | nullptr |
| 450 | }; |
| 451 | |
| 452 | extern const TargetRegisterClass GRRegsRegClass = { |
| 453 | &XCoreMCRegisterClasses[GRRegsRegClassID], |
| 454 | GRRegsSubClassMask, |
| 455 | SuperRegIdxSeqs + 0, |
| 456 | LaneBitmask(0x0000000000000001), |
| 457 | 0, |
| 458 | false, |
| 459 | 0x00, /* TSFlags */ |
| 460 | false, /* HasDisjunctSubRegs */ |
| 461 | false, /* CoveredBySubRegs */ |
| 462 | GRRegsSuperclasses, 1, |
| 463 | nullptr |
| 464 | }; |
| 465 | |
| 466 | } // end namespace XCore |
| 467 | |
| 468 | namespace { |
| 469 | const TargetRegisterClass *const RegisterClasses[] = { |
| 470 | &XCore::RRegsRegClass, |
| 471 | &XCore::GRRegsRegClass, |
| 472 | }; |
| 473 | } // end anonymous namespace |
| 474 | |
| 475 | static const uint8_t CostPerUseTable[] = { |
| 476 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }; |
| 477 | |
| 478 | |
| 479 | static const bool InAllocatableClassTable[] = { |
| 480 | false, false, false, false, false, true, true, true, true, true, true, true, true, true, true, true, true, }; |
| 481 | |
| 482 | |
| 483 | static const TargetRegisterInfoDesc XCoreRegInfoDesc = { // Extra Descriptors |
| 484 | CostPerUseTable, 1, InAllocatableClassTable}; |
| 485 | |
| 486 | /// Get the weight in units of pressure for this register class. |
| 487 | const RegClassWeight &XCoreGenRegisterInfo:: |
| 488 | getRegClassWeight(const TargetRegisterClass *RC) const { |
| 489 | static const RegClassWeight RCWeightTable[] = { |
| 490 | {0, 12}, // RRegs |
| 491 | {1, 12}, // GRRegs |
| 492 | }; |
| 493 | return RCWeightTable[RC->getID()]; |
| 494 | } |
| 495 | |
| 496 | /// Get the weight in units of pressure for this register unit. |
| 497 | unsigned XCoreGenRegisterInfo:: |
| 498 | getRegUnitWeight(unsigned RegUnit) const { |
| 499 | assert(RegUnit < 16 && "invalid register unit" ); |
| 500 | // All register units have unit weight. |
| 501 | return 1; |
| 502 | } |
| 503 | |
| 504 | |
| 505 | // Get the number of dimensions of register pressure. |
| 506 | unsigned XCoreGenRegisterInfo::getNumRegPressureSets() const { |
| 507 | return 1; |
| 508 | } |
| 509 | |
| 510 | // Get the name of this register unit pressure set. |
| 511 | const char *XCoreGenRegisterInfo:: |
| 512 | getRegPressureSetName(unsigned Idx) const { |
| 513 | static const char *PressureNameTable[] = { |
| 514 | "GRRegs" , |
| 515 | }; |
| 516 | return PressureNameTable[Idx]; |
| 517 | } |
| 518 | |
| 519 | // Get the register unit pressure limit for this dimension. |
| 520 | // This limit must be adjusted dynamically for reserved registers. |
| 521 | unsigned XCoreGenRegisterInfo:: |
| 522 | getRegPressureSetLimit(const MachineFunction &MF, unsigned Idx) const { |
| 523 | static const uint8_t PressureLimitTable[] = { |
| 524 | 12, // 0: GRRegs |
| 525 | }; |
| 526 | return PressureLimitTable[Idx]; |
| 527 | } |
| 528 | |
| 529 | /// Table of pressure sets per register class or unit. |
| 530 | static const int RCSetsTable[] = { |
| 531 | /* 0 */ 0, -1, |
| 532 | }; |
| 533 | |
| 534 | /// Get the dimensions of register pressure impacted by this register class. |
| 535 | /// Returns a -1 terminated array of pressure set IDs |
| 536 | const int *XCoreGenRegisterInfo:: |
| 537 | getRegClassPressureSets(const TargetRegisterClass *RC) const { |
| 538 | static const uint8_t RCSetStartTable[] = { |
| 539 | 1,0,}; |
| 540 | return &RCSetsTable[RCSetStartTable[RC->getID()]]; |
| 541 | } |
| 542 | |
| 543 | /// Get the dimensions of register pressure impacted by this register unit. |
| 544 | /// Returns a -1 terminated array of pressure set IDs |
| 545 | const int *XCoreGenRegisterInfo:: |
| 546 | getRegUnitPressureSets(unsigned RegUnit) const { |
| 547 | assert(RegUnit < 16 && "invalid register unit" ); |
| 548 | static const uint8_t RUSetStartTable[] = { |
| 549 | 1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,}; |
| 550 | return &RCSetsTable[RUSetStartTable[RegUnit]]; |
| 551 | } |
| 552 | |
| 553 | extern const MCRegisterDesc XCoreRegDesc[]; |
| 554 | extern const int16_t XCoreRegDiffLists[]; |
| 555 | extern const LaneBitmask XCoreLaneMaskLists[]; |
| 556 | extern const char XCoreRegStrings[]; |
| 557 | extern const char XCoreRegClassStrings[]; |
| 558 | extern const MCPhysReg XCoreRegUnitRoots[][2]; |
| 559 | extern const uint16_t XCoreSubRegIdxLists[]; |
| 560 | extern const uint16_t XCoreRegEncodingTable[]; |
| 561 | // XCore Dwarf<->LLVM register mappings. |
| 562 | extern const MCRegisterInfo::DwarfLLVMRegPair XCoreDwarfFlavour0Dwarf2L[]; |
| 563 | extern const unsigned XCoreDwarfFlavour0Dwarf2LSize; |
| 564 | |
| 565 | extern const MCRegisterInfo::DwarfLLVMRegPair XCoreEHFlavour0Dwarf2L[]; |
| 566 | extern const unsigned XCoreEHFlavour0Dwarf2LSize; |
| 567 | |
| 568 | extern const MCRegisterInfo::DwarfLLVMRegPair XCoreDwarfFlavour0L2Dwarf[]; |
| 569 | extern const unsigned XCoreDwarfFlavour0L2DwarfSize; |
| 570 | |
| 571 | extern const MCRegisterInfo::DwarfLLVMRegPair XCoreEHFlavour0L2Dwarf[]; |
| 572 | extern const unsigned XCoreEHFlavour0L2DwarfSize; |
| 573 | |
| 574 | XCoreGenRegisterInfo:: |
| 575 | XCoreGenRegisterInfo(unsigned RA, unsigned DwarfFlavour, unsigned EHFlavour, |
| 576 | unsigned PC, unsigned HwMode) |
| 577 | : TargetRegisterInfo(&XCoreRegInfoDesc, RegisterClasses, RegisterClasses+2, |
| 578 | SubRegIndexNameTable, SubRegIdxRangeTable, SubRegIndexLaneMaskTable, |
| 579 | LaneBitmask(0xFFFFFFFFFFFFFFFF), RegClassInfos, VTLists, HwMode) { |
| 580 | InitMCRegisterInfo(XCoreRegDesc, 17, RA, PC, |
| 581 | XCoreMCRegisterClasses, 2, |
| 582 | XCoreRegUnitRoots, |
| 583 | 16, |
| 584 | XCoreRegDiffLists, |
| 585 | XCoreLaneMaskLists, |
| 586 | XCoreRegStrings, |
| 587 | XCoreRegClassStrings, |
| 588 | XCoreSubRegIdxLists, |
| 589 | 1, |
| 590 | XCoreRegEncodingTable); |
| 591 | |
| 592 | switch (DwarfFlavour) { |
| 593 | default: |
| 594 | llvm_unreachable("Unknown DWARF flavour" ); |
| 595 | case 0: |
| 596 | mapDwarfRegsToLLVMRegs(XCoreDwarfFlavour0Dwarf2L, XCoreDwarfFlavour0Dwarf2LSize, false); |
| 597 | break; |
| 598 | } |
| 599 | switch (EHFlavour) { |
| 600 | default: |
| 601 | llvm_unreachable("Unknown DWARF flavour" ); |
| 602 | case 0: |
| 603 | mapDwarfRegsToLLVMRegs(XCoreEHFlavour0Dwarf2L, XCoreEHFlavour0Dwarf2LSize, true); |
| 604 | break; |
| 605 | } |
| 606 | switch (DwarfFlavour) { |
| 607 | default: |
| 608 | llvm_unreachable("Unknown DWARF flavour" ); |
| 609 | case 0: |
| 610 | mapLLVMRegsToDwarfRegs(XCoreDwarfFlavour0L2Dwarf, XCoreDwarfFlavour0L2DwarfSize, false); |
| 611 | break; |
| 612 | } |
| 613 | switch (EHFlavour) { |
| 614 | default: |
| 615 | llvm_unreachable("Unknown DWARF flavour" ); |
| 616 | case 0: |
| 617 | mapLLVMRegsToDwarfRegs(XCoreEHFlavour0L2Dwarf, XCoreEHFlavour0L2DwarfSize, true); |
| 618 | break; |
| 619 | } |
| 620 | } |
| 621 | |
| 622 | |
| 623 | |
| 624 | ArrayRef<const uint32_t *> XCoreGenRegisterInfo::getRegMasks() const { |
| 625 | return {}; |
| 626 | } |
| 627 | |
| 628 | bool XCoreGenRegisterInfo:: |
| 629 | isGeneralPurposeRegister(const MachineFunction &MF, MCRegister PhysReg) const { |
| 630 | return |
| 631 | false; |
| 632 | } |
| 633 | |
| 634 | bool XCoreGenRegisterInfo:: |
| 635 | isGeneralPurposeRegisterClass(const TargetRegisterClass *RC) const { |
| 636 | return |
| 637 | false; |
| 638 | } |
| 639 | |
| 640 | bool XCoreGenRegisterInfo:: |
| 641 | isFixedRegister(const MachineFunction &MF, MCRegister PhysReg) const { |
| 642 | return |
| 643 | false; |
| 644 | } |
| 645 | |
| 646 | bool XCoreGenRegisterInfo:: |
| 647 | isArgumentRegister(const MachineFunction &MF, MCRegister PhysReg) const { |
| 648 | return |
| 649 | false; |
| 650 | } |
| 651 | |
| 652 | bool XCoreGenRegisterInfo:: |
| 653 | isConstantPhysReg(MCRegister PhysReg) const { |
| 654 | return |
| 655 | false; |
| 656 | } |
| 657 | |
| 658 | ArrayRef<const char *> XCoreGenRegisterInfo::getRegMaskNames() const { |
| 659 | return {}; |
| 660 | } |
| 661 | |
| 662 | const XCoreFrameLowering * |
| 663 | XCoreGenRegisterInfo::getFrameLowering(const MachineFunction &MF) { |
| 664 | return static_cast<const XCoreFrameLowering *>( |
| 665 | MF.getSubtarget().getFrameLowering()); |
| 666 | } |
| 667 | |
| 668 | } // end namespace llvm |
| 669 | |
| 670 | #endif // GET_REGINFO_TARGET_DESC |
| 671 | |
| 672 | |