static_inst.cc (9920:028e4da64b42) | static_inst.cc (10037:5cac77888310) |
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1/* | 1/* |
2 * Copyright (c) 2010 ARM Limited | 2 * Copyright (c) 2010-2013 ARM Limited |
3 * Copyright (c) 2013 Advanced Micro Devices, Inc. 4 * All rights reserved 5 * 6 * The license below extends only to copyright in the software and shall 7 * not be construed as granting a license to any other intellectual 8 * property including but not limited to intellectual property relating 9 * to a hardware implementation of the functionality of the software 10 * licensed hereunder. You may use the software subject to the license --- 70 unchanged lines hidden (view full) --- 81 default: 82 ccprintf(std::cerr, "Unhandled shift type\n"); 83 exit(1); 84 break; 85 } 86 return 0; 87} 88 | 3 * Copyright (c) 2013 Advanced Micro Devices, Inc. 4 * All rights reserved 5 * 6 * The license below extends only to copyright in the software and shall 7 * not be construed as granting a license to any other intellectual 8 * property including but not limited to intellectual property relating 9 * to a hardware implementation of the functionality of the software 10 * licensed hereunder. You may use the software subject to the license --- 70 unchanged lines hidden (view full) --- 81 default: 82 ccprintf(std::cerr, "Unhandled shift type\n"); 83 exit(1); 84 break; 85 } 86 return 0; 87} 88 |
89int64_t 90ArmStaticInst::shiftReg64(uint64_t base, uint64_t shiftAmt, 91 ArmShiftType type, uint8_t width) const 92{ 93 shiftAmt = shiftAmt % width; 94 ArmShiftType shiftType; 95 shiftType = (ArmShiftType)type; 96 97 switch (shiftType) 98 { 99 case LSL: 100 return base << shiftAmt; 101 case LSR: 102 if (shiftAmt == 0) 103 return base; 104 else 105 return (base & mask(width)) >> shiftAmt; 106 case ASR: 107 if (shiftAmt == 0) { 108 return base; 109 } else { 110 int sign_bit = bits(base, intWidth - 1); 111 base >>= shiftAmt; 112 base = sign_bit ? (base | ~mask(intWidth - shiftAmt)) : base; 113 return base & mask(intWidth); 114 } 115 case ROR: 116 if (shiftAmt == 0) 117 return base; 118 else 119 return (base << (width - shiftAmt)) | (base >> shiftAmt); 120 default: 121 ccprintf(std::cerr, "Unhandled shift type\n"); 122 exit(1); 123 break; 124 } 125 return 0; 126} 127 128int64_t 129ArmStaticInst::extendReg64(uint64_t base, ArmExtendType type, 130 uint64_t shiftAmt, uint8_t width) const 131{ 132 bool sign_extend = false; 133 int len = 0; 134 switch (type) { 135 case UXTB: 136 len = 8; 137 break; 138 case UXTH: 139 len = 16; 140 break; 141 case UXTW: 142 len = 32; 143 break; 144 case UXTX: 145 len = 64; 146 break; 147 case SXTB: 148 len = 8; 149 sign_extend = true; 150 break; 151 case SXTH: 152 len = 16; 153 sign_extend = true; 154 break; 155 case SXTW: 156 len = 32; 157 sign_extend = true; 158 break; 159 case SXTX: 160 len = 64; 161 sign_extend = true; 162 break; 163 } 164 len = len <= width - shiftAmt ? len : width - shiftAmt; 165 uint64_t tmp = (uint64_t) bits(base, len - 1, 0) << shiftAmt; 166 if (sign_extend) { 167 int sign_bit = bits(tmp, len + shiftAmt - 1); 168 tmp = sign_bit ? (tmp | ~mask(len + shiftAmt)) : tmp; 169 } 170 return tmp & mask(width); 171} 172 |
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89// Shift Rm by Rs 90int32_t 91ArmStaticInst::shift_rm_rs(uint32_t base, uint32_t shamt, 92 uint32_t type, uint32_t cfval) const 93{ 94 enum ArmShiftType shiftType; 95 shiftType = (enum ArmShiftType) type; 96 --- 112 unchanged lines hidden (view full) --- 209 210void 211ArmStaticInst::printReg(std::ostream &os, int reg) const 212{ 213 RegIndex rel_reg; 214 215 switch (regIdxToClass(reg, &rel_reg)) { 216 case IntRegClass: | 173// Shift Rm by Rs 174int32_t 175ArmStaticInst::shift_rm_rs(uint32_t base, uint32_t shamt, 176 uint32_t type, uint32_t cfval) const 177{ 178 enum ArmShiftType shiftType; 179 shiftType = (enum ArmShiftType) type; 180 --- 112 unchanged lines hidden (view full) --- 293 294void 295ArmStaticInst::printReg(std::ostream &os, int reg) const 296{ 297 RegIndex rel_reg; 298 299 switch (regIdxToClass(reg, &rel_reg)) { 300 case IntRegClass: |
217 switch (rel_reg) { 218 case PCReg: 219 ccprintf(os, "pc"); 220 break; 221 case StackPointerReg: 222 ccprintf(os, "sp"); 223 break; 224 case FramePointerReg: 225 ccprintf(os, "fp"); 226 break; 227 case ReturnAddressReg: 228 ccprintf(os, "lr"); 229 break; 230 default: 231 ccprintf(os, "r%d", reg); 232 break; | 301 if (aarch64) { 302 if (reg == INTREG_UREG0) 303 ccprintf(os, "ureg0"); 304 else if (reg == INTREG_SPX) 305 ccprintf(os, "%s%s", (intWidth == 32) ? "w" : "", "sp"); 306 else if (reg == INTREG_X31) 307 ccprintf(os, "%szr", (intWidth == 32) ? "w" : "x"); 308 else 309 ccprintf(os, "%s%d", (intWidth == 32) ? "w" : "x", reg); 310 } else { 311 switch (rel_reg) { 312 case PCReg: 313 ccprintf(os, "pc"); 314 break; 315 case StackPointerReg: 316 ccprintf(os, "sp"); 317 break; 318 case FramePointerReg: 319 ccprintf(os, "fp"); 320 break; 321 case ReturnAddressReg: 322 ccprintf(os, "lr"); 323 break; 324 default: 325 ccprintf(os, "r%d", reg); 326 break; 327 } |
233 } 234 break; 235 case FloatRegClass: 236 ccprintf(os, "f%d", rel_reg); 237 break; 238 case MiscRegClass: 239 assert(rel_reg < NUM_MISCREGS); 240 ccprintf(os, "%s", ArmISA::miscRegName[rel_reg]); 241 break; 242 case CCRegClass: 243 panic("printReg: CCRegClass but ARM has no CC regs\n"); 244 } 245} 246 247void 248ArmStaticInst::printMnemonic(std::ostream &os, 249 const std::string &suffix, | 328 } 329 break; 330 case FloatRegClass: 331 ccprintf(os, "f%d", rel_reg); 332 break; 333 case MiscRegClass: 334 assert(rel_reg < NUM_MISCREGS); 335 ccprintf(os, "%s", ArmISA::miscRegName[rel_reg]); 336 break; 337 case CCRegClass: 338 panic("printReg: CCRegClass but ARM has no CC regs\n"); 339 } 340} 341 342void 343ArmStaticInst::printMnemonic(std::ostream &os, 344 const std::string &suffix, |
250 bool withPred) const | 345 bool withPred, 346 bool withCond64, 347 ConditionCode cond64) const |
251{ 252 os << " " << mnemonic; | 348{ 349 os << " " << mnemonic; |
253 if (withPred) { 254 unsigned condCode = machInst.condCode; 255 switch (condCode) { 256 case COND_EQ: 257 os << "eq"; 258 break; 259 case COND_NE: 260 os << "ne"; 261 break; 262 case COND_CS: 263 os << "cs"; 264 break; 265 case COND_CC: 266 os << "cc"; 267 break; 268 case COND_MI: 269 os << "mi"; 270 break; 271 case COND_PL: 272 os << "pl"; 273 break; 274 case COND_VS: 275 os << "vs"; 276 break; 277 case COND_VC: 278 os << "vc"; 279 break; 280 case COND_HI: 281 os << "hi"; 282 break; 283 case COND_LS: 284 os << "ls"; 285 break; 286 case COND_GE: 287 os << "ge"; 288 break; 289 case COND_LT: 290 os << "lt"; 291 break; 292 case COND_GT: 293 os << "gt"; 294 break; 295 case COND_LE: 296 os << "le"; 297 break; 298 case COND_AL: 299 // This one is implicit. 300 break; 301 case COND_UC: 302 // Unconditional. 303 break; 304 default: 305 panic("Unrecognized condition code %d.\n", condCode); 306 } | 350 if (withPred && !aarch64) { 351 printCondition(os, machInst.condCode); |
307 os << suffix; | 352 os << suffix; |
308 if (machInst.bigThumb) 309 os << ".w"; 310 os << " "; | 353 } else if (withCond64) { 354 os << "."; 355 printCondition(os, cond64); 356 os << suffix; |
311 } | 357 } |
358 if (machInst.bigThumb) 359 os << ".w"; 360 os << " "; |
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312} 313 314void | 361} 362 363void |
364ArmStaticInst::printTarget(std::ostream &os, Addr target, 365 const SymbolTable *symtab) const 366{ 367 Addr symbolAddr; 368 std::string symbol; 369 370 if (symtab && symtab->findNearestSymbol(target, symbol, symbolAddr)) { 371 ccprintf(os, "<%s", symbol); 372 if (symbolAddr != target) 373 ccprintf(os, "+%d>", target - symbolAddr); 374 else 375 ccprintf(os, ">"); 376 } else { 377 ccprintf(os, "%#x", target); 378 } 379} 380 381void 382ArmStaticInst::printCondition(std::ostream &os, 383 unsigned code, 384 bool noImplicit) const 385{ 386 switch (code) { 387 case COND_EQ: 388 os << "eq"; 389 break; 390 case COND_NE: 391 os << "ne"; 392 break; 393 case COND_CS: 394 os << "cs"; 395 break; 396 case COND_CC: 397 os << "cc"; 398 break; 399 case COND_MI: 400 os << "mi"; 401 break; 402 case COND_PL: 403 os << "pl"; 404 break; 405 case COND_VS: 406 os << "vs"; 407 break; 408 case COND_VC: 409 os << "vc"; 410 break; 411 case COND_HI: 412 os << "hi"; 413 break; 414 case COND_LS: 415 os << "ls"; 416 break; 417 case COND_GE: 418 os << "ge"; 419 break; 420 case COND_LT: 421 os << "lt"; 422 break; 423 case COND_GT: 424 os << "gt"; 425 break; 426 case COND_LE: 427 os << "le"; 428 break; 429 case COND_AL: 430 // This one is implicit. 431 if (noImplicit) 432 os << "al"; 433 break; 434 case COND_UC: 435 // Unconditional. 436 if (noImplicit) 437 os << "uc"; 438 break; 439 default: 440 panic("Unrecognized condition code %d.\n", code); 441 } 442} 443 444void |
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315ArmStaticInst::printMemSymbol(std::ostream &os, 316 const SymbolTable *symtab, 317 const std::string &prefix, 318 const Addr addr, 319 const std::string &suffix) const 320{ 321 Addr symbolAddr; 322 std::string symbol; --- 65 unchanged lines hidden (view full) --- 388 if (immShift) 389 os << "#" << shiftAmt; 390 else 391 printReg(os, rs); 392 } 393} 394 395void | 445ArmStaticInst::printMemSymbol(std::ostream &os, 446 const SymbolTable *symtab, 447 const std::string &prefix, 448 const Addr addr, 449 const std::string &suffix) const 450{ 451 Addr symbolAddr; 452 std::string symbol; --- 65 unchanged lines hidden (view full) --- 518 if (immShift) 519 os << "#" << shiftAmt; 520 else 521 printReg(os, rs); 522 } 523} 524 525void |
526ArmStaticInst::printExtendOperand(bool firstOperand, std::ostream &os, 527 IntRegIndex rm, ArmExtendType type, 528 int64_t shiftAmt) const 529{ 530 if (!firstOperand) 531 ccprintf(os, ", "); 532 printReg(os, rm); 533 if (type == UXTX && shiftAmt == 0) 534 return; 535 switch (type) { 536 case UXTB: ccprintf(os, ", UXTB"); 537 break; 538 case UXTH: ccprintf(os, ", UXTH"); 539 break; 540 case UXTW: ccprintf(os, ", UXTW"); 541 break; 542 case UXTX: ccprintf(os, ", LSL"); 543 break; 544 case SXTB: ccprintf(os, ", SXTB"); 545 break; 546 case SXTH: ccprintf(os, ", SXTH"); 547 break; 548 case SXTW: ccprintf(os, ", SXTW"); 549 break; 550 case SXTX: ccprintf(os, ", SXTW"); 551 break; 552 } 553 if (type == UXTX || shiftAmt) 554 ccprintf(os, " #%d", shiftAmt); 555} 556 557void |
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396ArmStaticInst::printDataInst(std::ostream &os, bool withImm, 397 bool immShift, bool s, IntRegIndex rd, IntRegIndex rn, 398 IntRegIndex rm, IntRegIndex rs, uint32_t shiftAmt, 399 ArmShiftType type, uint32_t imm) const 400{ 401 printMnemonic(os, s ? "s" : ""); 402 bool firstOp = true; 403 --- 32 unchanged lines hidden --- | 558ArmStaticInst::printDataInst(std::ostream &os, bool withImm, 559 bool immShift, bool s, IntRegIndex rd, IntRegIndex rn, 560 IntRegIndex rm, IntRegIndex rs, uint32_t shiftAmt, 561 ArmShiftType type, uint32_t imm) const 562{ 563 printMnemonic(os, s ? "s" : ""); 564 bool firstOp = true; 565 --- 32 unchanged lines hidden --- |