Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef V8_ARM64_MACRO_ASSEMBLER_ARM64_INL_H_ |
| 6 | #define V8_ARM64_MACRO_ASSEMBLER_ARM64_INL_H_ |
| 7 | |
| 8 | #include <ctype.h> |
| 9 | |
| 10 | #include "src/globals.h" |
| 11 | |
| 12 | #include "src/arm64/assembler-arm64-inl.h" |
| 13 | #include "src/arm64/assembler-arm64.h" |
| 14 | #include "src/arm64/instrument-arm64.h" |
| 15 | #include "src/arm64/macro-assembler-arm64.h" |
| 16 | #include "src/base/bits.h" |
| 17 | |
| 18 | |
| 19 | namespace v8 { |
| 20 | namespace internal { |
| 21 | |
| 22 | |
| 23 | MemOperand FieldMemOperand(Register object, int offset) { |
| 24 | return MemOperand(object, offset - kHeapObjectTag); |
| 25 | } |
| 26 | |
| 27 | |
| 28 | MemOperand UntagSmiFieldMemOperand(Register object, int offset) { |
| 29 | return UntagSmiMemOperand(object, offset - kHeapObjectTag); |
| 30 | } |
| 31 | |
| 32 | |
| 33 | MemOperand UntagSmiMemOperand(Register object, int offset) { |
| 34 | // Assumes that Smis are shifted by 32 bits and little endianness. |
| 35 | STATIC_ASSERT(kSmiShift == 32); |
| 36 | return MemOperand(object, offset + (kSmiShift / kBitsPerByte)); |
| 37 | } |
| 38 | |
| 39 | |
| 40 | Handle<Object> MacroAssembler::CodeObject() { |
| 41 | DCHECK(!code_object_.is_null()); |
| 42 | return code_object_; |
| 43 | } |
| 44 | |
| 45 | |
| 46 | void MacroAssembler::And(const Register& rd, |
| 47 | const Register& rn, |
| 48 | const Operand& operand) { |
| 49 | DCHECK(allow_macro_instructions_); |
| 50 | DCHECK(!rd.IsZero()); |
| 51 | LogicalMacro(rd, rn, operand, AND); |
| 52 | } |
| 53 | |
| 54 | |
| 55 | void MacroAssembler::Ands(const Register& rd, |
| 56 | const Register& rn, |
| 57 | const Operand& operand) { |
| 58 | DCHECK(allow_macro_instructions_); |
| 59 | DCHECK(!rd.IsZero()); |
| 60 | LogicalMacro(rd, rn, operand, ANDS); |
| 61 | } |
| 62 | |
| 63 | |
| 64 | void MacroAssembler::Tst(const Register& rn, |
| 65 | const Operand& operand) { |
| 66 | DCHECK(allow_macro_instructions_); |
| 67 | LogicalMacro(AppropriateZeroRegFor(rn), rn, operand, ANDS); |
| 68 | } |
| 69 | |
| 70 | |
| 71 | void MacroAssembler::Bic(const Register& rd, |
| 72 | const Register& rn, |
| 73 | const Operand& operand) { |
| 74 | DCHECK(allow_macro_instructions_); |
| 75 | DCHECK(!rd.IsZero()); |
| 76 | LogicalMacro(rd, rn, operand, BIC); |
| 77 | } |
| 78 | |
| 79 | |
| 80 | void MacroAssembler::Bics(const Register& rd, |
| 81 | const Register& rn, |
| 82 | const Operand& operand) { |
| 83 | DCHECK(allow_macro_instructions_); |
| 84 | DCHECK(!rd.IsZero()); |
| 85 | LogicalMacro(rd, rn, operand, BICS); |
| 86 | } |
| 87 | |
| 88 | |
| 89 | void MacroAssembler::Orr(const Register& rd, |
| 90 | const Register& rn, |
| 91 | const Operand& operand) { |
| 92 | DCHECK(allow_macro_instructions_); |
| 93 | DCHECK(!rd.IsZero()); |
| 94 | LogicalMacro(rd, rn, operand, ORR); |
| 95 | } |
| 96 | |
| 97 | |
| 98 | void MacroAssembler::Orn(const Register& rd, |
| 99 | const Register& rn, |
| 100 | const Operand& operand) { |
| 101 | DCHECK(allow_macro_instructions_); |
| 102 | DCHECK(!rd.IsZero()); |
| 103 | LogicalMacro(rd, rn, operand, ORN); |
| 104 | } |
| 105 | |
| 106 | |
| 107 | void MacroAssembler::Eor(const Register& rd, |
| 108 | const Register& rn, |
| 109 | const Operand& operand) { |
| 110 | DCHECK(allow_macro_instructions_); |
| 111 | DCHECK(!rd.IsZero()); |
| 112 | LogicalMacro(rd, rn, operand, EOR); |
| 113 | } |
| 114 | |
| 115 | |
| 116 | void MacroAssembler::Eon(const Register& rd, |
| 117 | const Register& rn, |
| 118 | const Operand& operand) { |
| 119 | DCHECK(allow_macro_instructions_); |
| 120 | DCHECK(!rd.IsZero()); |
| 121 | LogicalMacro(rd, rn, operand, EON); |
| 122 | } |
| 123 | |
| 124 | |
| 125 | void MacroAssembler::Ccmp(const Register& rn, |
| 126 | const Operand& operand, |
| 127 | StatusFlags nzcv, |
| 128 | Condition cond) { |
| 129 | DCHECK(allow_macro_instructions_); |
| 130 | if (operand.IsImmediate() && (operand.ImmediateValue() < 0)) { |
| 131 | ConditionalCompareMacro(rn, -operand.ImmediateValue(), nzcv, cond, CCMN); |
| 132 | } else { |
| 133 | ConditionalCompareMacro(rn, operand, nzcv, cond, CCMP); |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | |
| 138 | void MacroAssembler::Ccmn(const Register& rn, |
| 139 | const Operand& operand, |
| 140 | StatusFlags nzcv, |
| 141 | Condition cond) { |
| 142 | DCHECK(allow_macro_instructions_); |
| 143 | if (operand.IsImmediate() && (operand.ImmediateValue() < 0)) { |
| 144 | ConditionalCompareMacro(rn, -operand.ImmediateValue(), nzcv, cond, CCMP); |
| 145 | } else { |
| 146 | ConditionalCompareMacro(rn, operand, nzcv, cond, CCMN); |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | |
| 151 | void MacroAssembler::Add(const Register& rd, |
| 152 | const Register& rn, |
| 153 | const Operand& operand) { |
| 154 | DCHECK(allow_macro_instructions_); |
| 155 | if (operand.IsImmediate() && (operand.ImmediateValue() < 0) && |
| 156 | IsImmAddSub(-operand.ImmediateValue())) { |
| 157 | AddSubMacro(rd, rn, -operand.ImmediateValue(), LeaveFlags, SUB); |
| 158 | } else { |
| 159 | AddSubMacro(rd, rn, operand, LeaveFlags, ADD); |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | void MacroAssembler::Adds(const Register& rd, |
| 164 | const Register& rn, |
| 165 | const Operand& operand) { |
| 166 | DCHECK(allow_macro_instructions_); |
| 167 | if (operand.IsImmediate() && (operand.ImmediateValue() < 0) && |
| 168 | IsImmAddSub(-operand.ImmediateValue())) { |
| 169 | AddSubMacro(rd, rn, -operand.ImmediateValue(), SetFlags, SUB); |
| 170 | } else { |
| 171 | AddSubMacro(rd, rn, operand, SetFlags, ADD); |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | |
| 176 | void MacroAssembler::Sub(const Register& rd, |
| 177 | const Register& rn, |
| 178 | const Operand& operand) { |
| 179 | DCHECK(allow_macro_instructions_); |
| 180 | if (operand.IsImmediate() && (operand.ImmediateValue() < 0) && |
| 181 | IsImmAddSub(-operand.ImmediateValue())) { |
| 182 | AddSubMacro(rd, rn, -operand.ImmediateValue(), LeaveFlags, ADD); |
| 183 | } else { |
| 184 | AddSubMacro(rd, rn, operand, LeaveFlags, SUB); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | |
| 189 | void MacroAssembler::Subs(const Register& rd, |
| 190 | const Register& rn, |
| 191 | const Operand& operand) { |
| 192 | DCHECK(allow_macro_instructions_); |
| 193 | if (operand.IsImmediate() && (operand.ImmediateValue() < 0) && |
| 194 | IsImmAddSub(-operand.ImmediateValue())) { |
| 195 | AddSubMacro(rd, rn, -operand.ImmediateValue(), SetFlags, ADD); |
| 196 | } else { |
| 197 | AddSubMacro(rd, rn, operand, SetFlags, SUB); |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | |
| 202 | void MacroAssembler::Cmn(const Register& rn, const Operand& operand) { |
| 203 | DCHECK(allow_macro_instructions_); |
| 204 | Adds(AppropriateZeroRegFor(rn), rn, operand); |
| 205 | } |
| 206 | |
| 207 | |
| 208 | void MacroAssembler::Cmp(const Register& rn, const Operand& operand) { |
| 209 | DCHECK(allow_macro_instructions_); |
| 210 | Subs(AppropriateZeroRegFor(rn), rn, operand); |
| 211 | } |
| 212 | |
| 213 | |
| 214 | void MacroAssembler::Neg(const Register& rd, |
| 215 | const Operand& operand) { |
| 216 | DCHECK(allow_macro_instructions_); |
| 217 | DCHECK(!rd.IsZero()); |
| 218 | if (operand.IsImmediate()) { |
| 219 | Mov(rd, -operand.ImmediateValue()); |
| 220 | } else { |
| 221 | Sub(rd, AppropriateZeroRegFor(rd), operand); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | |
| 226 | void MacroAssembler::Negs(const Register& rd, |
| 227 | const Operand& operand) { |
| 228 | DCHECK(allow_macro_instructions_); |
| 229 | Subs(rd, AppropriateZeroRegFor(rd), operand); |
| 230 | } |
| 231 | |
| 232 | |
| 233 | void MacroAssembler::Adc(const Register& rd, |
| 234 | const Register& rn, |
| 235 | const Operand& operand) { |
| 236 | DCHECK(allow_macro_instructions_); |
| 237 | DCHECK(!rd.IsZero()); |
| 238 | AddSubWithCarryMacro(rd, rn, operand, LeaveFlags, ADC); |
| 239 | } |
| 240 | |
| 241 | |
| 242 | void MacroAssembler::Adcs(const Register& rd, |
| 243 | const Register& rn, |
| 244 | const Operand& operand) { |
| 245 | DCHECK(allow_macro_instructions_); |
| 246 | DCHECK(!rd.IsZero()); |
| 247 | AddSubWithCarryMacro(rd, rn, operand, SetFlags, ADC); |
| 248 | } |
| 249 | |
| 250 | |
| 251 | void MacroAssembler::Sbc(const Register& rd, |
| 252 | const Register& rn, |
| 253 | const Operand& operand) { |
| 254 | DCHECK(allow_macro_instructions_); |
| 255 | DCHECK(!rd.IsZero()); |
| 256 | AddSubWithCarryMacro(rd, rn, operand, LeaveFlags, SBC); |
| 257 | } |
| 258 | |
| 259 | |
| 260 | void MacroAssembler::Sbcs(const Register& rd, |
| 261 | const Register& rn, |
| 262 | const Operand& operand) { |
| 263 | DCHECK(allow_macro_instructions_); |
| 264 | DCHECK(!rd.IsZero()); |
| 265 | AddSubWithCarryMacro(rd, rn, operand, SetFlags, SBC); |
| 266 | } |
| 267 | |
| 268 | |
| 269 | void MacroAssembler::Ngc(const Register& rd, |
| 270 | const Operand& operand) { |
| 271 | DCHECK(allow_macro_instructions_); |
| 272 | DCHECK(!rd.IsZero()); |
| 273 | Register zr = AppropriateZeroRegFor(rd); |
| 274 | Sbc(rd, zr, operand); |
| 275 | } |
| 276 | |
| 277 | |
| 278 | void MacroAssembler::Ngcs(const Register& rd, |
| 279 | const Operand& operand) { |
| 280 | DCHECK(allow_macro_instructions_); |
| 281 | DCHECK(!rd.IsZero()); |
| 282 | Register zr = AppropriateZeroRegFor(rd); |
| 283 | Sbcs(rd, zr, operand); |
| 284 | } |
| 285 | |
| 286 | |
| 287 | void MacroAssembler::Mvn(const Register& rd, uint64_t imm) { |
| 288 | DCHECK(allow_macro_instructions_); |
| 289 | DCHECK(!rd.IsZero()); |
| 290 | Mov(rd, ~imm); |
| 291 | } |
| 292 | |
| 293 | |
| 294 | #define DEFINE_FUNCTION(FN, REGTYPE, REG, OP) \ |
| 295 | void MacroAssembler::FN(const REGTYPE REG, const MemOperand& addr) { \ |
| 296 | DCHECK(allow_macro_instructions_); \ |
| 297 | LoadStoreMacro(REG, addr, OP); \ |
| 298 | } |
| 299 | LS_MACRO_LIST(DEFINE_FUNCTION) |
| 300 | #undef DEFINE_FUNCTION |
| 301 | |
| 302 | |
| 303 | #define DEFINE_FUNCTION(FN, REGTYPE, REG, REG2, OP) \ |
| 304 | void MacroAssembler::FN(const REGTYPE REG, const REGTYPE REG2, \ |
| 305 | const MemOperand& addr) { \ |
| 306 | DCHECK(allow_macro_instructions_); \ |
| 307 | LoadStorePairMacro(REG, REG2, addr, OP); \ |
| 308 | } |
| 309 | LSPAIR_MACRO_LIST(DEFINE_FUNCTION) |
| 310 | #undef DEFINE_FUNCTION |
| 311 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 312 | #define DECLARE_FUNCTION(FN, OP) \ |
| 313 | void MacroAssembler::FN(const Register& rt, const Register& rn) { \ |
| 314 | DCHECK(allow_macro_instructions_); \ |
| 315 | OP(rt, rn); \ |
| 316 | } |
| 317 | LDA_STL_MACRO_LIST(DECLARE_FUNCTION) |
| 318 | #undef DECLARE_FUNCTION |
| 319 | |
| 320 | #define DECLARE_FUNCTION(FN, OP) \ |
| 321 | void MacroAssembler::FN(const Register& rs, const Register& rt, \ |
| 322 | const Register& rn) { \ |
| 323 | DCHECK(allow_macro_instructions_); \ |
| 324 | OP(rs, rt, rn); \ |
| 325 | } |
| 326 | STLX_MACRO_LIST(DECLARE_FUNCTION) |
| 327 | #undef DECLARE_FUNCTION |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 328 | |
| 329 | void MacroAssembler::Asr(const Register& rd, |
| 330 | const Register& rn, |
| 331 | unsigned shift) { |
| 332 | DCHECK(allow_macro_instructions_); |
| 333 | DCHECK(!rd.IsZero()); |
| 334 | asr(rd, rn, shift); |
| 335 | } |
| 336 | |
| 337 | |
| 338 | void MacroAssembler::Asr(const Register& rd, |
| 339 | const Register& rn, |
| 340 | const Register& rm) { |
| 341 | DCHECK(allow_macro_instructions_); |
| 342 | DCHECK(!rd.IsZero()); |
| 343 | asrv(rd, rn, rm); |
| 344 | } |
| 345 | |
| 346 | |
| 347 | void MacroAssembler::B(Label* label) { |
| 348 | b(label); |
| 349 | CheckVeneerPool(false, false); |
| 350 | } |
| 351 | |
| 352 | |
| 353 | void MacroAssembler::B(Condition cond, Label* label) { |
| 354 | DCHECK(allow_macro_instructions_); |
| 355 | B(label, cond); |
| 356 | } |
| 357 | |
| 358 | |
| 359 | void MacroAssembler::Bfi(const Register& rd, |
| 360 | const Register& rn, |
| 361 | unsigned lsb, |
| 362 | unsigned width) { |
| 363 | DCHECK(allow_macro_instructions_); |
| 364 | DCHECK(!rd.IsZero()); |
| 365 | bfi(rd, rn, lsb, width); |
| 366 | } |
| 367 | |
| 368 | |
| 369 | void MacroAssembler::Bfxil(const Register& rd, |
| 370 | const Register& rn, |
| 371 | unsigned lsb, |
| 372 | unsigned width) { |
| 373 | DCHECK(allow_macro_instructions_); |
| 374 | DCHECK(!rd.IsZero()); |
| 375 | bfxil(rd, rn, lsb, width); |
| 376 | } |
| 377 | |
| 378 | |
| 379 | void MacroAssembler::Bind(Label* label) { |
| 380 | DCHECK(allow_macro_instructions_); |
| 381 | bind(label); |
| 382 | } |
| 383 | |
| 384 | |
| 385 | void MacroAssembler::Bl(Label* label) { |
| 386 | DCHECK(allow_macro_instructions_); |
| 387 | bl(label); |
| 388 | } |
| 389 | |
| 390 | |
| 391 | void MacroAssembler::Blr(const Register& xn) { |
| 392 | DCHECK(allow_macro_instructions_); |
| 393 | DCHECK(!xn.IsZero()); |
| 394 | blr(xn); |
| 395 | } |
| 396 | |
| 397 | |
| 398 | void MacroAssembler::Br(const Register& xn) { |
| 399 | DCHECK(allow_macro_instructions_); |
| 400 | DCHECK(!xn.IsZero()); |
| 401 | br(xn); |
| 402 | } |
| 403 | |
| 404 | |
| 405 | void MacroAssembler::Brk(int code) { |
| 406 | DCHECK(allow_macro_instructions_); |
| 407 | brk(code); |
| 408 | } |
| 409 | |
| 410 | |
| 411 | void MacroAssembler::Cinc(const Register& rd, |
| 412 | const Register& rn, |
| 413 | Condition cond) { |
| 414 | DCHECK(allow_macro_instructions_); |
| 415 | DCHECK(!rd.IsZero()); |
| 416 | DCHECK((cond != al) && (cond != nv)); |
| 417 | cinc(rd, rn, cond); |
| 418 | } |
| 419 | |
| 420 | |
| 421 | void MacroAssembler::Cinv(const Register& rd, |
| 422 | const Register& rn, |
| 423 | Condition cond) { |
| 424 | DCHECK(allow_macro_instructions_); |
| 425 | DCHECK(!rd.IsZero()); |
| 426 | DCHECK((cond != al) && (cond != nv)); |
| 427 | cinv(rd, rn, cond); |
| 428 | } |
| 429 | |
| 430 | |
| 431 | void MacroAssembler::Cls(const Register& rd, const Register& rn) { |
| 432 | DCHECK(allow_macro_instructions_); |
| 433 | DCHECK(!rd.IsZero()); |
| 434 | cls(rd, rn); |
| 435 | } |
| 436 | |
| 437 | |
| 438 | void MacroAssembler::Clz(const Register& rd, const Register& rn) { |
| 439 | DCHECK(allow_macro_instructions_); |
| 440 | DCHECK(!rd.IsZero()); |
| 441 | clz(rd, rn); |
| 442 | } |
| 443 | |
| 444 | |
| 445 | void MacroAssembler::Cneg(const Register& rd, |
| 446 | const Register& rn, |
| 447 | Condition cond) { |
| 448 | DCHECK(allow_macro_instructions_); |
| 449 | DCHECK(!rd.IsZero()); |
| 450 | DCHECK((cond != al) && (cond != nv)); |
| 451 | cneg(rd, rn, cond); |
| 452 | } |
| 453 | |
| 454 | |
| 455 | // Conditionally zero the destination register. Only X registers are supported |
| 456 | // due to the truncation side-effect when used on W registers. |
| 457 | void MacroAssembler::CzeroX(const Register& rd, |
| 458 | Condition cond) { |
| 459 | DCHECK(allow_macro_instructions_); |
| 460 | DCHECK(!rd.IsSP() && rd.Is64Bits()); |
| 461 | DCHECK((cond != al) && (cond != nv)); |
| 462 | csel(rd, xzr, rd, cond); |
| 463 | } |
| 464 | |
| 465 | |
| 466 | // Conditionally move a value into the destination register. Only X registers |
| 467 | // are supported due to the truncation side-effect when used on W registers. |
| 468 | void MacroAssembler::CmovX(const Register& rd, |
| 469 | const Register& rn, |
| 470 | Condition cond) { |
| 471 | DCHECK(allow_macro_instructions_); |
| 472 | DCHECK(!rd.IsSP()); |
| 473 | DCHECK(rd.Is64Bits() && rn.Is64Bits()); |
| 474 | DCHECK((cond != al) && (cond != nv)); |
| 475 | if (!rd.is(rn)) { |
| 476 | csel(rd, rn, rd, cond); |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | |
| 481 | void MacroAssembler::Cset(const Register& rd, Condition cond) { |
| 482 | DCHECK(allow_macro_instructions_); |
| 483 | DCHECK(!rd.IsZero()); |
| 484 | DCHECK((cond != al) && (cond != nv)); |
| 485 | cset(rd, cond); |
| 486 | } |
| 487 | |
| 488 | |
| 489 | void MacroAssembler::Csetm(const Register& rd, Condition cond) { |
| 490 | DCHECK(allow_macro_instructions_); |
| 491 | DCHECK(!rd.IsZero()); |
| 492 | DCHECK((cond != al) && (cond != nv)); |
| 493 | csetm(rd, cond); |
| 494 | } |
| 495 | |
| 496 | |
| 497 | void MacroAssembler::Csinc(const Register& rd, |
| 498 | const Register& rn, |
| 499 | const Register& rm, |
| 500 | Condition cond) { |
| 501 | DCHECK(allow_macro_instructions_); |
| 502 | DCHECK(!rd.IsZero()); |
| 503 | DCHECK((cond != al) && (cond != nv)); |
| 504 | csinc(rd, rn, rm, cond); |
| 505 | } |
| 506 | |
| 507 | |
| 508 | void MacroAssembler::Csinv(const Register& rd, |
| 509 | const Register& rn, |
| 510 | const Register& rm, |
| 511 | Condition cond) { |
| 512 | DCHECK(allow_macro_instructions_); |
| 513 | DCHECK(!rd.IsZero()); |
| 514 | DCHECK((cond != al) && (cond != nv)); |
| 515 | csinv(rd, rn, rm, cond); |
| 516 | } |
| 517 | |
| 518 | |
| 519 | void MacroAssembler::Csneg(const Register& rd, |
| 520 | const Register& rn, |
| 521 | const Register& rm, |
| 522 | Condition cond) { |
| 523 | DCHECK(allow_macro_instructions_); |
| 524 | DCHECK(!rd.IsZero()); |
| 525 | DCHECK((cond != al) && (cond != nv)); |
| 526 | csneg(rd, rn, rm, cond); |
| 527 | } |
| 528 | |
| 529 | |
| 530 | void MacroAssembler::Dmb(BarrierDomain domain, BarrierType type) { |
| 531 | DCHECK(allow_macro_instructions_); |
| 532 | dmb(domain, type); |
| 533 | } |
| 534 | |
| 535 | |
| 536 | void MacroAssembler::Dsb(BarrierDomain domain, BarrierType type) { |
| 537 | DCHECK(allow_macro_instructions_); |
| 538 | dsb(domain, type); |
| 539 | } |
| 540 | |
| 541 | |
| 542 | void MacroAssembler::Debug(const char* message, uint32_t code, Instr params) { |
| 543 | DCHECK(allow_macro_instructions_); |
| 544 | debug(message, code, params); |
| 545 | } |
| 546 | |
| 547 | |
| 548 | void MacroAssembler::Extr(const Register& rd, |
| 549 | const Register& rn, |
| 550 | const Register& rm, |
| 551 | unsigned lsb) { |
| 552 | DCHECK(allow_macro_instructions_); |
| 553 | DCHECK(!rd.IsZero()); |
| 554 | extr(rd, rn, rm, lsb); |
| 555 | } |
| 556 | |
| 557 | |
| 558 | void MacroAssembler::Fabs(const FPRegister& fd, const FPRegister& fn) { |
| 559 | DCHECK(allow_macro_instructions_); |
| 560 | fabs(fd, fn); |
| 561 | } |
| 562 | |
| 563 | |
| 564 | void MacroAssembler::Fadd(const FPRegister& fd, |
| 565 | const FPRegister& fn, |
| 566 | const FPRegister& fm) { |
| 567 | DCHECK(allow_macro_instructions_); |
| 568 | fadd(fd, fn, fm); |
| 569 | } |
| 570 | |
| 571 | |
| 572 | void MacroAssembler::Fccmp(const FPRegister& fn, |
| 573 | const FPRegister& fm, |
| 574 | StatusFlags nzcv, |
| 575 | Condition cond) { |
| 576 | DCHECK(allow_macro_instructions_); |
| 577 | DCHECK((cond != al) && (cond != nv)); |
| 578 | fccmp(fn, fm, nzcv, cond); |
| 579 | } |
| 580 | |
| 581 | |
| 582 | void MacroAssembler::Fcmp(const FPRegister& fn, const FPRegister& fm) { |
| 583 | DCHECK(allow_macro_instructions_); |
| 584 | fcmp(fn, fm); |
| 585 | } |
| 586 | |
| 587 | |
| 588 | void MacroAssembler::Fcmp(const FPRegister& fn, double value) { |
| 589 | DCHECK(allow_macro_instructions_); |
| 590 | if (value != 0.0) { |
| 591 | UseScratchRegisterScope temps(this); |
| 592 | FPRegister tmp = temps.AcquireSameSizeAs(fn); |
| 593 | Fmov(tmp, value); |
| 594 | fcmp(fn, tmp); |
| 595 | } else { |
| 596 | fcmp(fn, value); |
| 597 | } |
| 598 | } |
| 599 | |
| 600 | |
| 601 | void MacroAssembler::Fcsel(const FPRegister& fd, |
| 602 | const FPRegister& fn, |
| 603 | const FPRegister& fm, |
| 604 | Condition cond) { |
| 605 | DCHECK(allow_macro_instructions_); |
| 606 | DCHECK((cond != al) && (cond != nv)); |
| 607 | fcsel(fd, fn, fm, cond); |
| 608 | } |
| 609 | |
| 610 | |
| 611 | void MacroAssembler::Fcvt(const FPRegister& fd, const FPRegister& fn) { |
| 612 | DCHECK(allow_macro_instructions_); |
| 613 | fcvt(fd, fn); |
| 614 | } |
| 615 | |
| 616 | |
| 617 | void MacroAssembler::Fcvtas(const Register& rd, const FPRegister& fn) { |
| 618 | DCHECK(allow_macro_instructions_); |
| 619 | DCHECK(!rd.IsZero()); |
| 620 | fcvtas(rd, fn); |
| 621 | } |
| 622 | |
| 623 | |
| 624 | void MacroAssembler::Fcvtau(const Register& rd, const FPRegister& fn) { |
| 625 | DCHECK(allow_macro_instructions_); |
| 626 | DCHECK(!rd.IsZero()); |
| 627 | fcvtau(rd, fn); |
| 628 | } |
| 629 | |
| 630 | |
| 631 | void MacroAssembler::Fcvtms(const Register& rd, const FPRegister& fn) { |
| 632 | DCHECK(allow_macro_instructions_); |
| 633 | DCHECK(!rd.IsZero()); |
| 634 | fcvtms(rd, fn); |
| 635 | } |
| 636 | |
| 637 | |
| 638 | void MacroAssembler::Fcvtmu(const Register& rd, const FPRegister& fn) { |
| 639 | DCHECK(allow_macro_instructions_); |
| 640 | DCHECK(!rd.IsZero()); |
| 641 | fcvtmu(rd, fn); |
| 642 | } |
| 643 | |
| 644 | |
| 645 | void MacroAssembler::Fcvtns(const Register& rd, const FPRegister& fn) { |
| 646 | DCHECK(allow_macro_instructions_); |
| 647 | DCHECK(!rd.IsZero()); |
| 648 | fcvtns(rd, fn); |
| 649 | } |
| 650 | |
| 651 | |
| 652 | void MacroAssembler::Fcvtnu(const Register& rd, const FPRegister& fn) { |
| 653 | DCHECK(allow_macro_instructions_); |
| 654 | DCHECK(!rd.IsZero()); |
| 655 | fcvtnu(rd, fn); |
| 656 | } |
| 657 | |
| 658 | |
| 659 | void MacroAssembler::Fcvtzs(const Register& rd, const FPRegister& fn) { |
| 660 | DCHECK(allow_macro_instructions_); |
| 661 | DCHECK(!rd.IsZero()); |
| 662 | fcvtzs(rd, fn); |
| 663 | } |
| 664 | void MacroAssembler::Fcvtzu(const Register& rd, const FPRegister& fn) { |
| 665 | DCHECK(allow_macro_instructions_); |
| 666 | DCHECK(!rd.IsZero()); |
| 667 | fcvtzu(rd, fn); |
| 668 | } |
| 669 | |
| 670 | |
| 671 | void MacroAssembler::Fdiv(const FPRegister& fd, |
| 672 | const FPRegister& fn, |
| 673 | const FPRegister& fm) { |
| 674 | DCHECK(allow_macro_instructions_); |
| 675 | fdiv(fd, fn, fm); |
| 676 | } |
| 677 | |
| 678 | |
| 679 | void MacroAssembler::Fmadd(const FPRegister& fd, |
| 680 | const FPRegister& fn, |
| 681 | const FPRegister& fm, |
| 682 | const FPRegister& fa) { |
| 683 | DCHECK(allow_macro_instructions_); |
| 684 | fmadd(fd, fn, fm, fa); |
| 685 | } |
| 686 | |
| 687 | |
| 688 | void MacroAssembler::Fmax(const FPRegister& fd, |
| 689 | const FPRegister& fn, |
| 690 | const FPRegister& fm) { |
| 691 | DCHECK(allow_macro_instructions_); |
| 692 | fmax(fd, fn, fm); |
| 693 | } |
| 694 | |
| 695 | |
| 696 | void MacroAssembler::Fmaxnm(const FPRegister& fd, |
| 697 | const FPRegister& fn, |
| 698 | const FPRegister& fm) { |
| 699 | DCHECK(allow_macro_instructions_); |
| 700 | fmaxnm(fd, fn, fm); |
| 701 | } |
| 702 | |
| 703 | |
| 704 | void MacroAssembler::Fmin(const FPRegister& fd, |
| 705 | const FPRegister& fn, |
| 706 | const FPRegister& fm) { |
| 707 | DCHECK(allow_macro_instructions_); |
| 708 | fmin(fd, fn, fm); |
| 709 | } |
| 710 | |
| 711 | |
| 712 | void MacroAssembler::Fminnm(const FPRegister& fd, |
| 713 | const FPRegister& fn, |
| 714 | const FPRegister& fm) { |
| 715 | DCHECK(allow_macro_instructions_); |
| 716 | fminnm(fd, fn, fm); |
| 717 | } |
| 718 | |
| 719 | |
| 720 | void MacroAssembler::Fmov(FPRegister fd, FPRegister fn) { |
| 721 | DCHECK(allow_macro_instructions_); |
| 722 | // Only emit an instruction if fd and fn are different, and they are both D |
| 723 | // registers. fmov(s0, s0) is not a no-op because it clears the top word of |
| 724 | // d0. Technically, fmov(d0, d0) is not a no-op either because it clears the |
| 725 | // top of q0, but FPRegister does not currently support Q registers. |
| 726 | if (!fd.Is(fn) || !fd.Is64Bits()) { |
| 727 | fmov(fd, fn); |
| 728 | } |
| 729 | } |
| 730 | |
| 731 | |
| 732 | void MacroAssembler::Fmov(FPRegister fd, Register rn) { |
| 733 | DCHECK(allow_macro_instructions_); |
| 734 | fmov(fd, rn); |
| 735 | } |
| 736 | |
| 737 | |
| 738 | void MacroAssembler::Fmov(FPRegister fd, double imm) { |
| 739 | DCHECK(allow_macro_instructions_); |
| 740 | if (fd.Is32Bits()) { |
| 741 | Fmov(fd, static_cast<float>(imm)); |
| 742 | return; |
| 743 | } |
| 744 | |
| 745 | DCHECK(fd.Is64Bits()); |
| 746 | if (IsImmFP64(imm)) { |
| 747 | fmov(fd, imm); |
| 748 | } else if ((imm == 0.0) && (copysign(1.0, imm) == 1.0)) { |
| 749 | fmov(fd, xzr); |
| 750 | } else { |
| 751 | Ldr(fd, imm); |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | |
| 756 | void MacroAssembler::Fmov(FPRegister fd, float imm) { |
| 757 | DCHECK(allow_macro_instructions_); |
| 758 | if (fd.Is64Bits()) { |
| 759 | Fmov(fd, static_cast<double>(imm)); |
| 760 | return; |
| 761 | } |
| 762 | |
| 763 | DCHECK(fd.Is32Bits()); |
| 764 | if (IsImmFP32(imm)) { |
| 765 | fmov(fd, imm); |
| 766 | } else if ((imm == 0.0) && (copysign(1.0, imm) == 1.0)) { |
| 767 | fmov(fd, wzr); |
| 768 | } else { |
| 769 | UseScratchRegisterScope temps(this); |
| 770 | Register tmp = temps.AcquireW(); |
| 771 | // TODO(all): Use Assembler::ldr(const FPRegister& ft, float imm). |
| 772 | Mov(tmp, float_to_rawbits(imm)); |
| 773 | Fmov(fd, tmp); |
| 774 | } |
| 775 | } |
| 776 | |
| 777 | |
| 778 | void MacroAssembler::Fmov(Register rd, FPRegister fn) { |
| 779 | DCHECK(allow_macro_instructions_); |
| 780 | DCHECK(!rd.IsZero()); |
| 781 | fmov(rd, fn); |
| 782 | } |
| 783 | |
| 784 | |
| 785 | void MacroAssembler::Fmsub(const FPRegister& fd, |
| 786 | const FPRegister& fn, |
| 787 | const FPRegister& fm, |
| 788 | const FPRegister& fa) { |
| 789 | DCHECK(allow_macro_instructions_); |
| 790 | fmsub(fd, fn, fm, fa); |
| 791 | } |
| 792 | |
| 793 | |
| 794 | void MacroAssembler::Fmul(const FPRegister& fd, |
| 795 | const FPRegister& fn, |
| 796 | const FPRegister& fm) { |
| 797 | DCHECK(allow_macro_instructions_); |
| 798 | fmul(fd, fn, fm); |
| 799 | } |
| 800 | |
| 801 | |
| 802 | void MacroAssembler::Fneg(const FPRegister& fd, const FPRegister& fn) { |
| 803 | DCHECK(allow_macro_instructions_); |
| 804 | fneg(fd, fn); |
| 805 | } |
| 806 | |
| 807 | |
| 808 | void MacroAssembler::Fnmadd(const FPRegister& fd, |
| 809 | const FPRegister& fn, |
| 810 | const FPRegister& fm, |
| 811 | const FPRegister& fa) { |
| 812 | DCHECK(allow_macro_instructions_); |
| 813 | fnmadd(fd, fn, fm, fa); |
| 814 | } |
| 815 | |
| 816 | |
| 817 | void MacroAssembler::Fnmsub(const FPRegister& fd, |
| 818 | const FPRegister& fn, |
| 819 | const FPRegister& fm, |
| 820 | const FPRegister& fa) { |
| 821 | DCHECK(allow_macro_instructions_); |
| 822 | fnmsub(fd, fn, fm, fa); |
| 823 | } |
| 824 | |
| 825 | |
| 826 | void MacroAssembler::Frinta(const FPRegister& fd, const FPRegister& fn) { |
| 827 | DCHECK(allow_macro_instructions_); |
| 828 | frinta(fd, fn); |
| 829 | } |
| 830 | |
| 831 | |
| 832 | void MacroAssembler::Frintm(const FPRegister& fd, const FPRegister& fn) { |
| 833 | DCHECK(allow_macro_instructions_); |
| 834 | frintm(fd, fn); |
| 835 | } |
| 836 | |
| 837 | |
| 838 | void MacroAssembler::Frintn(const FPRegister& fd, const FPRegister& fn) { |
| 839 | DCHECK(allow_macro_instructions_); |
| 840 | frintn(fd, fn); |
| 841 | } |
| 842 | |
| 843 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 844 | void MacroAssembler::Frintp(const FPRegister& fd, const FPRegister& fn) { |
| 845 | DCHECK(allow_macro_instructions_); |
| 846 | frintp(fd, fn); |
| 847 | } |
| 848 | |
| 849 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 850 | void MacroAssembler::Frintz(const FPRegister& fd, const FPRegister& fn) { |
| 851 | DCHECK(allow_macro_instructions_); |
| 852 | frintz(fd, fn); |
| 853 | } |
| 854 | |
| 855 | |
| 856 | void MacroAssembler::Fsqrt(const FPRegister& fd, const FPRegister& fn) { |
| 857 | DCHECK(allow_macro_instructions_); |
| 858 | fsqrt(fd, fn); |
| 859 | } |
| 860 | |
| 861 | |
| 862 | void MacroAssembler::Fsub(const FPRegister& fd, |
| 863 | const FPRegister& fn, |
| 864 | const FPRegister& fm) { |
| 865 | DCHECK(allow_macro_instructions_); |
| 866 | fsub(fd, fn, fm); |
| 867 | } |
| 868 | |
| 869 | |
| 870 | void MacroAssembler::Hint(SystemHint code) { |
| 871 | DCHECK(allow_macro_instructions_); |
| 872 | hint(code); |
| 873 | } |
| 874 | |
| 875 | |
| 876 | void MacroAssembler::Hlt(int code) { |
| 877 | DCHECK(allow_macro_instructions_); |
| 878 | hlt(code); |
| 879 | } |
| 880 | |
| 881 | |
| 882 | void MacroAssembler::Isb() { |
| 883 | DCHECK(allow_macro_instructions_); |
| 884 | isb(); |
| 885 | } |
| 886 | |
| 887 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 888 | void MacroAssembler::Ldr(const CPURegister& rt, const Immediate& imm) { |
| 889 | DCHECK(allow_macro_instructions_); |
| 890 | ldr(rt, imm); |
| 891 | } |
| 892 | |
| 893 | |
| 894 | void MacroAssembler::Ldr(const CPURegister& rt, double imm) { |
| 895 | DCHECK(allow_macro_instructions_); |
| 896 | DCHECK(rt.Is64Bits()); |
| 897 | ldr(rt, Immediate(double_to_rawbits(imm))); |
| 898 | } |
| 899 | |
| 900 | |
| 901 | void MacroAssembler::Lsl(const Register& rd, |
| 902 | const Register& rn, |
| 903 | unsigned shift) { |
| 904 | DCHECK(allow_macro_instructions_); |
| 905 | DCHECK(!rd.IsZero()); |
| 906 | lsl(rd, rn, shift); |
| 907 | } |
| 908 | |
| 909 | |
| 910 | void MacroAssembler::Lsl(const Register& rd, |
| 911 | const Register& rn, |
| 912 | const Register& rm) { |
| 913 | DCHECK(allow_macro_instructions_); |
| 914 | DCHECK(!rd.IsZero()); |
| 915 | lslv(rd, rn, rm); |
| 916 | } |
| 917 | |
| 918 | |
| 919 | void MacroAssembler::Lsr(const Register& rd, |
| 920 | const Register& rn, |
| 921 | unsigned shift) { |
| 922 | DCHECK(allow_macro_instructions_); |
| 923 | DCHECK(!rd.IsZero()); |
| 924 | lsr(rd, rn, shift); |
| 925 | } |
| 926 | |
| 927 | |
| 928 | void MacroAssembler::Lsr(const Register& rd, |
| 929 | const Register& rn, |
| 930 | const Register& rm) { |
| 931 | DCHECK(allow_macro_instructions_); |
| 932 | DCHECK(!rd.IsZero()); |
| 933 | lsrv(rd, rn, rm); |
| 934 | } |
| 935 | |
| 936 | |
| 937 | void MacroAssembler::Madd(const Register& rd, |
| 938 | const Register& rn, |
| 939 | const Register& rm, |
| 940 | const Register& ra) { |
| 941 | DCHECK(allow_macro_instructions_); |
| 942 | DCHECK(!rd.IsZero()); |
| 943 | madd(rd, rn, rm, ra); |
| 944 | } |
| 945 | |
| 946 | |
| 947 | void MacroAssembler::Mneg(const Register& rd, |
| 948 | const Register& rn, |
| 949 | const Register& rm) { |
| 950 | DCHECK(allow_macro_instructions_); |
| 951 | DCHECK(!rd.IsZero()); |
| 952 | mneg(rd, rn, rm); |
| 953 | } |
| 954 | |
| 955 | |
| 956 | void MacroAssembler::Mov(const Register& rd, const Register& rn) { |
| 957 | DCHECK(allow_macro_instructions_); |
| 958 | DCHECK(!rd.IsZero()); |
| 959 | // Emit a register move only if the registers are distinct, or if they are |
| 960 | // not X registers. Note that mov(w0, w0) is not a no-op because it clears |
| 961 | // the top word of x0. |
| 962 | if (!rd.Is(rn) || !rd.Is64Bits()) { |
| 963 | Assembler::mov(rd, rn); |
| 964 | } |
| 965 | } |
| 966 | |
| 967 | |
| 968 | void MacroAssembler::Movk(const Register& rd, uint64_t imm, int shift) { |
| 969 | DCHECK(allow_macro_instructions_); |
| 970 | DCHECK(!rd.IsZero()); |
| 971 | movk(rd, imm, shift); |
| 972 | } |
| 973 | |
| 974 | |
| 975 | void MacroAssembler::Mrs(const Register& rt, SystemRegister sysreg) { |
| 976 | DCHECK(allow_macro_instructions_); |
| 977 | DCHECK(!rt.IsZero()); |
| 978 | mrs(rt, sysreg); |
| 979 | } |
| 980 | |
| 981 | |
| 982 | void MacroAssembler::Msr(SystemRegister sysreg, const Register& rt) { |
| 983 | DCHECK(allow_macro_instructions_); |
| 984 | msr(sysreg, rt); |
| 985 | } |
| 986 | |
| 987 | |
| 988 | void MacroAssembler::Msub(const Register& rd, |
| 989 | const Register& rn, |
| 990 | const Register& rm, |
| 991 | const Register& ra) { |
| 992 | DCHECK(allow_macro_instructions_); |
| 993 | DCHECK(!rd.IsZero()); |
| 994 | msub(rd, rn, rm, ra); |
| 995 | } |
| 996 | |
| 997 | |
| 998 | void MacroAssembler::Mul(const Register& rd, |
| 999 | const Register& rn, |
| 1000 | const Register& rm) { |
| 1001 | DCHECK(allow_macro_instructions_); |
| 1002 | DCHECK(!rd.IsZero()); |
| 1003 | mul(rd, rn, rm); |
| 1004 | } |
| 1005 | |
| 1006 | |
| 1007 | void MacroAssembler::Rbit(const Register& rd, const Register& rn) { |
| 1008 | DCHECK(allow_macro_instructions_); |
| 1009 | DCHECK(!rd.IsZero()); |
| 1010 | rbit(rd, rn); |
| 1011 | } |
| 1012 | |
| 1013 | |
| 1014 | void MacroAssembler::Ret(const Register& xn) { |
| 1015 | DCHECK(allow_macro_instructions_); |
| 1016 | DCHECK(!xn.IsZero()); |
| 1017 | ret(xn); |
| 1018 | CheckVeneerPool(false, false); |
| 1019 | } |
| 1020 | |
| 1021 | |
| 1022 | void MacroAssembler::Rev(const Register& rd, const Register& rn) { |
| 1023 | DCHECK(allow_macro_instructions_); |
| 1024 | DCHECK(!rd.IsZero()); |
| 1025 | rev(rd, rn); |
| 1026 | } |
| 1027 | |
| 1028 | |
| 1029 | void MacroAssembler::Rev16(const Register& rd, const Register& rn) { |
| 1030 | DCHECK(allow_macro_instructions_); |
| 1031 | DCHECK(!rd.IsZero()); |
| 1032 | rev16(rd, rn); |
| 1033 | } |
| 1034 | |
| 1035 | |
| 1036 | void MacroAssembler::Rev32(const Register& rd, const Register& rn) { |
| 1037 | DCHECK(allow_macro_instructions_); |
| 1038 | DCHECK(!rd.IsZero()); |
| 1039 | rev32(rd, rn); |
| 1040 | } |
| 1041 | |
| 1042 | |
| 1043 | void MacroAssembler::Ror(const Register& rd, |
| 1044 | const Register& rs, |
| 1045 | unsigned shift) { |
| 1046 | DCHECK(allow_macro_instructions_); |
| 1047 | DCHECK(!rd.IsZero()); |
| 1048 | ror(rd, rs, shift); |
| 1049 | } |
| 1050 | |
| 1051 | |
| 1052 | void MacroAssembler::Ror(const Register& rd, |
| 1053 | const Register& rn, |
| 1054 | const Register& rm) { |
| 1055 | DCHECK(allow_macro_instructions_); |
| 1056 | DCHECK(!rd.IsZero()); |
| 1057 | rorv(rd, rn, rm); |
| 1058 | } |
| 1059 | |
| 1060 | |
| 1061 | void MacroAssembler::Sbfiz(const Register& rd, |
| 1062 | const Register& rn, |
| 1063 | unsigned lsb, |
| 1064 | unsigned width) { |
| 1065 | DCHECK(allow_macro_instructions_); |
| 1066 | DCHECK(!rd.IsZero()); |
| 1067 | sbfiz(rd, rn, lsb, width); |
| 1068 | } |
| 1069 | |
| 1070 | |
| 1071 | void MacroAssembler::Sbfx(const Register& rd, |
| 1072 | const Register& rn, |
| 1073 | unsigned lsb, |
| 1074 | unsigned width) { |
| 1075 | DCHECK(allow_macro_instructions_); |
| 1076 | DCHECK(!rd.IsZero()); |
| 1077 | sbfx(rd, rn, lsb, width); |
| 1078 | } |
| 1079 | |
| 1080 | |
| 1081 | void MacroAssembler::Scvtf(const FPRegister& fd, |
| 1082 | const Register& rn, |
| 1083 | unsigned fbits) { |
| 1084 | DCHECK(allow_macro_instructions_); |
| 1085 | scvtf(fd, rn, fbits); |
| 1086 | } |
| 1087 | |
| 1088 | |
| 1089 | void MacroAssembler::Sdiv(const Register& rd, |
| 1090 | const Register& rn, |
| 1091 | const Register& rm) { |
| 1092 | DCHECK(allow_macro_instructions_); |
| 1093 | DCHECK(!rd.IsZero()); |
| 1094 | sdiv(rd, rn, rm); |
| 1095 | } |
| 1096 | |
| 1097 | |
| 1098 | void MacroAssembler::Smaddl(const Register& rd, |
| 1099 | const Register& rn, |
| 1100 | const Register& rm, |
| 1101 | const Register& ra) { |
| 1102 | DCHECK(allow_macro_instructions_); |
| 1103 | DCHECK(!rd.IsZero()); |
| 1104 | smaddl(rd, rn, rm, ra); |
| 1105 | } |
| 1106 | |
| 1107 | |
| 1108 | void MacroAssembler::Smsubl(const Register& rd, |
| 1109 | const Register& rn, |
| 1110 | const Register& rm, |
| 1111 | const Register& ra) { |
| 1112 | DCHECK(allow_macro_instructions_); |
| 1113 | DCHECK(!rd.IsZero()); |
| 1114 | smsubl(rd, rn, rm, ra); |
| 1115 | } |
| 1116 | |
| 1117 | |
| 1118 | void MacroAssembler::Smull(const Register& rd, |
| 1119 | const Register& rn, |
| 1120 | const Register& rm) { |
| 1121 | DCHECK(allow_macro_instructions_); |
| 1122 | DCHECK(!rd.IsZero()); |
| 1123 | smull(rd, rn, rm); |
| 1124 | } |
| 1125 | |
| 1126 | |
| 1127 | void MacroAssembler::Smulh(const Register& rd, |
| 1128 | const Register& rn, |
| 1129 | const Register& rm) { |
| 1130 | DCHECK(allow_macro_instructions_); |
| 1131 | DCHECK(!rd.IsZero()); |
| 1132 | smulh(rd, rn, rm); |
| 1133 | } |
| 1134 | |
| 1135 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1136 | void MacroAssembler::Umull(const Register& rd, const Register& rn, |
| 1137 | const Register& rm) { |
| 1138 | DCHECK(allow_macro_instructions_); |
| 1139 | DCHECK(!rd.IsZero()); |
| 1140 | umaddl(rd, rn, rm, xzr); |
| 1141 | } |
| 1142 | |
| 1143 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1144 | void MacroAssembler::Sxtb(const Register& rd, const Register& rn) { |
| 1145 | DCHECK(allow_macro_instructions_); |
| 1146 | DCHECK(!rd.IsZero()); |
| 1147 | sxtb(rd, rn); |
| 1148 | } |
| 1149 | |
| 1150 | |
| 1151 | void MacroAssembler::Sxth(const Register& rd, const Register& rn) { |
| 1152 | DCHECK(allow_macro_instructions_); |
| 1153 | DCHECK(!rd.IsZero()); |
| 1154 | sxth(rd, rn); |
| 1155 | } |
| 1156 | |
| 1157 | |
| 1158 | void MacroAssembler::Sxtw(const Register& rd, const Register& rn) { |
| 1159 | DCHECK(allow_macro_instructions_); |
| 1160 | DCHECK(!rd.IsZero()); |
| 1161 | sxtw(rd, rn); |
| 1162 | } |
| 1163 | |
| 1164 | |
| 1165 | void MacroAssembler::Ubfiz(const Register& rd, |
| 1166 | const Register& rn, |
| 1167 | unsigned lsb, |
| 1168 | unsigned width) { |
| 1169 | DCHECK(allow_macro_instructions_); |
| 1170 | DCHECK(!rd.IsZero()); |
| 1171 | ubfiz(rd, rn, lsb, width); |
| 1172 | } |
| 1173 | |
| 1174 | |
| 1175 | void MacroAssembler::Ubfx(const Register& rd, |
| 1176 | const Register& rn, |
| 1177 | unsigned lsb, |
| 1178 | unsigned width) { |
| 1179 | DCHECK(allow_macro_instructions_); |
| 1180 | DCHECK(!rd.IsZero()); |
| 1181 | ubfx(rd, rn, lsb, width); |
| 1182 | } |
| 1183 | |
| 1184 | |
| 1185 | void MacroAssembler::Ucvtf(const FPRegister& fd, |
| 1186 | const Register& rn, |
| 1187 | unsigned fbits) { |
| 1188 | DCHECK(allow_macro_instructions_); |
| 1189 | ucvtf(fd, rn, fbits); |
| 1190 | } |
| 1191 | |
| 1192 | |
| 1193 | void MacroAssembler::Udiv(const Register& rd, |
| 1194 | const Register& rn, |
| 1195 | const Register& rm) { |
| 1196 | DCHECK(allow_macro_instructions_); |
| 1197 | DCHECK(!rd.IsZero()); |
| 1198 | udiv(rd, rn, rm); |
| 1199 | } |
| 1200 | |
| 1201 | |
| 1202 | void MacroAssembler::Umaddl(const Register& rd, |
| 1203 | const Register& rn, |
| 1204 | const Register& rm, |
| 1205 | const Register& ra) { |
| 1206 | DCHECK(allow_macro_instructions_); |
| 1207 | DCHECK(!rd.IsZero()); |
| 1208 | umaddl(rd, rn, rm, ra); |
| 1209 | } |
| 1210 | |
| 1211 | |
| 1212 | void MacroAssembler::Umsubl(const Register& rd, |
| 1213 | const Register& rn, |
| 1214 | const Register& rm, |
| 1215 | const Register& ra) { |
| 1216 | DCHECK(allow_macro_instructions_); |
| 1217 | DCHECK(!rd.IsZero()); |
| 1218 | umsubl(rd, rn, rm, ra); |
| 1219 | } |
| 1220 | |
| 1221 | |
| 1222 | void MacroAssembler::Uxtb(const Register& rd, const Register& rn) { |
| 1223 | DCHECK(allow_macro_instructions_); |
| 1224 | DCHECK(!rd.IsZero()); |
| 1225 | uxtb(rd, rn); |
| 1226 | } |
| 1227 | |
| 1228 | |
| 1229 | void MacroAssembler::Uxth(const Register& rd, const Register& rn) { |
| 1230 | DCHECK(allow_macro_instructions_); |
| 1231 | DCHECK(!rd.IsZero()); |
| 1232 | uxth(rd, rn); |
| 1233 | } |
| 1234 | |
| 1235 | |
| 1236 | void MacroAssembler::Uxtw(const Register& rd, const Register& rn) { |
| 1237 | DCHECK(allow_macro_instructions_); |
| 1238 | DCHECK(!rd.IsZero()); |
| 1239 | uxtw(rd, rn); |
| 1240 | } |
| 1241 | |
| 1242 | |
| 1243 | void MacroAssembler::BumpSystemStackPointer(const Operand& space) { |
| 1244 | DCHECK(!csp.Is(sp_)); |
| 1245 | if (!TmpList()->IsEmpty()) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1246 | Sub(csp, StackPointer(), space); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1247 | } else { |
| 1248 | // TODO(jbramley): Several callers rely on this not using scratch |
| 1249 | // registers, so we use the assembler directly here. However, this means |
| 1250 | // that large immediate values of 'space' cannot be handled cleanly. (Only |
| 1251 | // 24-bits immediates or values of 'space' that can be encoded in one |
| 1252 | // instruction are accepted.) Once we implement our flexible scratch |
| 1253 | // register idea, we could greatly simplify this function. |
| 1254 | InstructionAccurateScope scope(this); |
| 1255 | DCHECK(space.IsImmediate()); |
| 1256 | // Align to 16 bytes. |
| 1257 | uint64_t imm = RoundUp(space.ImmediateValue(), 0x10); |
| 1258 | DCHECK(is_uint24(imm)); |
| 1259 | |
| 1260 | Register source = StackPointer(); |
| 1261 | if (CpuFeatures::IsSupported(ALWAYS_ALIGN_CSP)) { |
| 1262 | bic(csp, source, 0xf); |
| 1263 | source = csp; |
| 1264 | } |
| 1265 | if (!is_uint12(imm)) { |
| 1266 | int64_t imm_top_12_bits = imm >> 12; |
| 1267 | sub(csp, source, imm_top_12_bits << 12); |
| 1268 | source = csp; |
| 1269 | imm -= imm_top_12_bits << 12; |
| 1270 | } |
| 1271 | if (imm > 0) { |
| 1272 | sub(csp, source, imm); |
| 1273 | } |
| 1274 | } |
| 1275 | AssertStackConsistency(); |
| 1276 | } |
| 1277 | |
| 1278 | |
| 1279 | void MacroAssembler::SyncSystemStackPointer() { |
| 1280 | DCHECK(emit_debug_code()); |
| 1281 | DCHECK(!csp.Is(sp_)); |
| 1282 | { InstructionAccurateScope scope(this); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1283 | mov(csp, StackPointer()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1284 | } |
| 1285 | AssertStackConsistency(); |
| 1286 | } |
| 1287 | |
| 1288 | |
| 1289 | void MacroAssembler::InitializeRootRegister() { |
| 1290 | ExternalReference roots_array_start = |
| 1291 | ExternalReference::roots_array_start(isolate()); |
| 1292 | Mov(root, Operand(roots_array_start)); |
| 1293 | } |
| 1294 | |
| 1295 | |
| 1296 | void MacroAssembler::SmiTag(Register dst, Register src) { |
| 1297 | STATIC_ASSERT(kXRegSizeInBits == |
| 1298 | static_cast<unsigned>(kSmiShift + kSmiValueSize)); |
| 1299 | DCHECK(dst.Is64Bits() && src.Is64Bits()); |
| 1300 | Lsl(dst, src, kSmiShift); |
| 1301 | } |
| 1302 | |
| 1303 | |
| 1304 | void MacroAssembler::SmiTag(Register smi) { SmiTag(smi, smi); } |
| 1305 | |
| 1306 | |
| 1307 | void MacroAssembler::SmiUntag(Register dst, Register src) { |
| 1308 | STATIC_ASSERT(kXRegSizeInBits == |
| 1309 | static_cast<unsigned>(kSmiShift + kSmiValueSize)); |
| 1310 | DCHECK(dst.Is64Bits() && src.Is64Bits()); |
| 1311 | if (FLAG_enable_slow_asserts) { |
| 1312 | AssertSmi(src); |
| 1313 | } |
| 1314 | Asr(dst, src, kSmiShift); |
| 1315 | } |
| 1316 | |
| 1317 | |
| 1318 | void MacroAssembler::SmiUntag(Register smi) { SmiUntag(smi, smi); } |
| 1319 | |
| 1320 | |
| 1321 | void MacroAssembler::SmiUntagToDouble(FPRegister dst, |
| 1322 | Register src, |
| 1323 | UntagMode mode) { |
| 1324 | DCHECK(dst.Is64Bits() && src.Is64Bits()); |
| 1325 | if (FLAG_enable_slow_asserts && (mode == kNotSpeculativeUntag)) { |
| 1326 | AssertSmi(src); |
| 1327 | } |
| 1328 | Scvtf(dst, src, kSmiShift); |
| 1329 | } |
| 1330 | |
| 1331 | |
| 1332 | void MacroAssembler::SmiUntagToFloat(FPRegister dst, |
| 1333 | Register src, |
| 1334 | UntagMode mode) { |
| 1335 | DCHECK(dst.Is32Bits() && src.Is64Bits()); |
| 1336 | if (FLAG_enable_slow_asserts && (mode == kNotSpeculativeUntag)) { |
| 1337 | AssertSmi(src); |
| 1338 | } |
| 1339 | Scvtf(dst, src, kSmiShift); |
| 1340 | } |
| 1341 | |
| 1342 | |
| 1343 | void MacroAssembler::SmiTagAndPush(Register src) { |
| 1344 | STATIC_ASSERT((static_cast<unsigned>(kSmiShift) == kWRegSizeInBits) && |
| 1345 | (static_cast<unsigned>(kSmiValueSize) == kWRegSizeInBits) && |
| 1346 | (kSmiTag == 0)); |
| 1347 | Push(src.W(), wzr); |
| 1348 | } |
| 1349 | |
| 1350 | |
| 1351 | void MacroAssembler::SmiTagAndPush(Register src1, Register src2) { |
| 1352 | STATIC_ASSERT((static_cast<unsigned>(kSmiShift) == kWRegSizeInBits) && |
| 1353 | (static_cast<unsigned>(kSmiValueSize) == kWRegSizeInBits) && |
| 1354 | (kSmiTag == 0)); |
| 1355 | Push(src1.W(), wzr, src2.W(), wzr); |
| 1356 | } |
| 1357 | |
| 1358 | |
| 1359 | void MacroAssembler::JumpIfSmi(Register value, |
| 1360 | Label* smi_label, |
| 1361 | Label* not_smi_label) { |
| 1362 | STATIC_ASSERT((kSmiTagSize == 1) && (kSmiTag == 0)); |
| 1363 | // Check if the tag bit is set. |
| 1364 | if (smi_label) { |
| 1365 | Tbz(value, 0, smi_label); |
| 1366 | if (not_smi_label) { |
| 1367 | B(not_smi_label); |
| 1368 | } |
| 1369 | } else { |
| 1370 | DCHECK(not_smi_label); |
| 1371 | Tbnz(value, 0, not_smi_label); |
| 1372 | } |
| 1373 | } |
| 1374 | |
| 1375 | |
| 1376 | void MacroAssembler::JumpIfNotSmi(Register value, Label* not_smi_label) { |
| 1377 | JumpIfSmi(value, NULL, not_smi_label); |
| 1378 | } |
| 1379 | |
| 1380 | |
| 1381 | void MacroAssembler::JumpIfBothSmi(Register value1, |
| 1382 | Register value2, |
| 1383 | Label* both_smi_label, |
| 1384 | Label* not_smi_label) { |
| 1385 | STATIC_ASSERT((kSmiTagSize == 1) && (kSmiTag == 0)); |
| 1386 | UseScratchRegisterScope temps(this); |
| 1387 | Register tmp = temps.AcquireX(); |
| 1388 | // Check if both tag bits are clear. |
| 1389 | Orr(tmp, value1, value2); |
| 1390 | JumpIfSmi(tmp, both_smi_label, not_smi_label); |
| 1391 | } |
| 1392 | |
| 1393 | |
| 1394 | void MacroAssembler::JumpIfEitherSmi(Register value1, |
| 1395 | Register value2, |
| 1396 | Label* either_smi_label, |
| 1397 | Label* not_smi_label) { |
| 1398 | STATIC_ASSERT((kSmiTagSize == 1) && (kSmiTag == 0)); |
| 1399 | UseScratchRegisterScope temps(this); |
| 1400 | Register tmp = temps.AcquireX(); |
| 1401 | // Check if either tag bit is clear. |
| 1402 | And(tmp, value1, value2); |
| 1403 | JumpIfSmi(tmp, either_smi_label, not_smi_label); |
| 1404 | } |
| 1405 | |
| 1406 | |
| 1407 | void MacroAssembler::JumpIfEitherNotSmi(Register value1, |
| 1408 | Register value2, |
| 1409 | Label* not_smi_label) { |
| 1410 | JumpIfBothSmi(value1, value2, NULL, not_smi_label); |
| 1411 | } |
| 1412 | |
| 1413 | |
| 1414 | void MacroAssembler::JumpIfBothNotSmi(Register value1, |
| 1415 | Register value2, |
| 1416 | Label* not_smi_label) { |
| 1417 | JumpIfEitherSmi(value1, value2, NULL, not_smi_label); |
| 1418 | } |
| 1419 | |
| 1420 | |
| 1421 | void MacroAssembler::ObjectTag(Register tagged_obj, Register obj) { |
| 1422 | STATIC_ASSERT(kHeapObjectTag == 1); |
| 1423 | if (emit_debug_code()) { |
| 1424 | Label ok; |
| 1425 | Tbz(obj, 0, &ok); |
| 1426 | Abort(kObjectTagged); |
| 1427 | Bind(&ok); |
| 1428 | } |
| 1429 | Orr(tagged_obj, obj, kHeapObjectTag); |
| 1430 | } |
| 1431 | |
| 1432 | |
| 1433 | void MacroAssembler::ObjectUntag(Register untagged_obj, Register obj) { |
| 1434 | STATIC_ASSERT(kHeapObjectTag == 1); |
| 1435 | if (emit_debug_code()) { |
| 1436 | Label ok; |
| 1437 | Tbnz(obj, 0, &ok); |
| 1438 | Abort(kObjectNotTagged); |
| 1439 | Bind(&ok); |
| 1440 | } |
| 1441 | Bic(untagged_obj, obj, kHeapObjectTag); |
| 1442 | } |
| 1443 | |
| 1444 | |
| 1445 | void MacroAssembler::IsObjectNameType(Register object, |
| 1446 | Register type, |
| 1447 | Label* fail) { |
| 1448 | CompareObjectType(object, type, type, LAST_NAME_TYPE); |
| 1449 | B(hi, fail); |
| 1450 | } |
| 1451 | |
| 1452 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1453 | void MacroAssembler::IsObjectJSStringType(Register object, |
| 1454 | Register type, |
| 1455 | Label* not_string, |
| 1456 | Label* string) { |
| 1457 | Ldr(type, FieldMemOperand(object, HeapObject::kMapOffset)); |
| 1458 | Ldrb(type.W(), FieldMemOperand(type, Map::kInstanceTypeOffset)); |
| 1459 | |
| 1460 | STATIC_ASSERT(kStringTag == 0); |
| 1461 | DCHECK((string != NULL) || (not_string != NULL)); |
| 1462 | if (string == NULL) { |
| 1463 | TestAndBranchIfAnySet(type.W(), kIsNotStringMask, not_string); |
| 1464 | } else if (not_string == NULL) { |
| 1465 | TestAndBranchIfAllClear(type.W(), kIsNotStringMask, string); |
| 1466 | } else { |
| 1467 | TestAndBranchIfAnySet(type.W(), kIsNotStringMask, not_string); |
| 1468 | B(string); |
| 1469 | } |
| 1470 | } |
| 1471 | |
| 1472 | |
| 1473 | void MacroAssembler::Push(Handle<Object> handle) { |
| 1474 | UseScratchRegisterScope temps(this); |
| 1475 | Register tmp = temps.AcquireX(); |
| 1476 | Mov(tmp, Operand(handle)); |
| 1477 | Push(tmp); |
| 1478 | } |
| 1479 | |
| 1480 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1481 | void MacroAssembler::Claim(int64_t count, uint64_t unit_size) { |
| 1482 | DCHECK(count >= 0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1483 | uint64_t size = count * unit_size; |
| 1484 | |
| 1485 | if (size == 0) { |
| 1486 | return; |
| 1487 | } |
| 1488 | |
| 1489 | if (csp.Is(StackPointer())) { |
| 1490 | DCHECK(size % 16 == 0); |
| 1491 | } else { |
| 1492 | BumpSystemStackPointer(size); |
| 1493 | } |
| 1494 | |
| 1495 | Sub(StackPointer(), StackPointer(), size); |
| 1496 | } |
| 1497 | |
| 1498 | |
| 1499 | void MacroAssembler::Claim(const Register& count, uint64_t unit_size) { |
| 1500 | if (unit_size == 0) return; |
| 1501 | DCHECK(base::bits::IsPowerOfTwo64(unit_size)); |
| 1502 | |
| 1503 | const int shift = CountTrailingZeros(unit_size, kXRegSizeInBits); |
| 1504 | const Operand size(count, LSL, shift); |
| 1505 | |
| 1506 | if (size.IsZero()) { |
| 1507 | return; |
| 1508 | } |
| 1509 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1510 | AssertPositiveOrZero(count); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1511 | if (!csp.Is(StackPointer())) { |
| 1512 | BumpSystemStackPointer(size); |
| 1513 | } |
| 1514 | |
| 1515 | Sub(StackPointer(), StackPointer(), size); |
| 1516 | } |
| 1517 | |
| 1518 | |
| 1519 | void MacroAssembler::ClaimBySMI(const Register& count_smi, uint64_t unit_size) { |
| 1520 | DCHECK(unit_size == 0 || base::bits::IsPowerOfTwo64(unit_size)); |
| 1521 | const int shift = CountTrailingZeros(unit_size, kXRegSizeInBits) - kSmiShift; |
| 1522 | const Operand size(count_smi, |
| 1523 | (shift >= 0) ? (LSL) : (LSR), |
| 1524 | (shift >= 0) ? (shift) : (-shift)); |
| 1525 | |
| 1526 | if (size.IsZero()) { |
| 1527 | return; |
| 1528 | } |
| 1529 | |
| 1530 | if (!csp.Is(StackPointer())) { |
| 1531 | BumpSystemStackPointer(size); |
| 1532 | } |
| 1533 | |
| 1534 | Sub(StackPointer(), StackPointer(), size); |
| 1535 | } |
| 1536 | |
| 1537 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1538 | void MacroAssembler::Drop(int64_t count, uint64_t unit_size) { |
| 1539 | DCHECK(count >= 0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1540 | uint64_t size = count * unit_size; |
| 1541 | |
| 1542 | if (size == 0) { |
| 1543 | return; |
| 1544 | } |
| 1545 | |
| 1546 | Add(StackPointer(), StackPointer(), size); |
| 1547 | |
| 1548 | if (csp.Is(StackPointer())) { |
| 1549 | DCHECK(size % 16 == 0); |
| 1550 | } else if (emit_debug_code()) { |
| 1551 | // It is safe to leave csp where it is when unwinding the JavaScript stack, |
| 1552 | // but if we keep it matching StackPointer, the simulator can detect memory |
| 1553 | // accesses in the now-free part of the stack. |
| 1554 | SyncSystemStackPointer(); |
| 1555 | } |
| 1556 | } |
| 1557 | |
| 1558 | |
| 1559 | void MacroAssembler::Drop(const Register& count, uint64_t unit_size) { |
| 1560 | if (unit_size == 0) return; |
| 1561 | DCHECK(base::bits::IsPowerOfTwo64(unit_size)); |
| 1562 | |
| 1563 | const int shift = CountTrailingZeros(unit_size, kXRegSizeInBits); |
| 1564 | const Operand size(count, LSL, shift); |
| 1565 | |
| 1566 | if (size.IsZero()) { |
| 1567 | return; |
| 1568 | } |
| 1569 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1570 | AssertPositiveOrZero(count); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1571 | Add(StackPointer(), StackPointer(), size); |
| 1572 | |
| 1573 | if (!csp.Is(StackPointer()) && emit_debug_code()) { |
| 1574 | // It is safe to leave csp where it is when unwinding the JavaScript stack, |
| 1575 | // but if we keep it matching StackPointer, the simulator can detect memory |
| 1576 | // accesses in the now-free part of the stack. |
| 1577 | SyncSystemStackPointer(); |
| 1578 | } |
| 1579 | } |
| 1580 | |
| 1581 | |
| 1582 | void MacroAssembler::DropBySMI(const Register& count_smi, uint64_t unit_size) { |
| 1583 | DCHECK(unit_size == 0 || base::bits::IsPowerOfTwo64(unit_size)); |
| 1584 | const int shift = CountTrailingZeros(unit_size, kXRegSizeInBits) - kSmiShift; |
| 1585 | const Operand size(count_smi, |
| 1586 | (shift >= 0) ? (LSL) : (LSR), |
| 1587 | (shift >= 0) ? (shift) : (-shift)); |
| 1588 | |
| 1589 | if (size.IsZero()) { |
| 1590 | return; |
| 1591 | } |
| 1592 | |
| 1593 | Add(StackPointer(), StackPointer(), size); |
| 1594 | |
| 1595 | if (!csp.Is(StackPointer()) && emit_debug_code()) { |
| 1596 | // It is safe to leave csp where it is when unwinding the JavaScript stack, |
| 1597 | // but if we keep it matching StackPointer, the simulator can detect memory |
| 1598 | // accesses in the now-free part of the stack. |
| 1599 | SyncSystemStackPointer(); |
| 1600 | } |
| 1601 | } |
| 1602 | |
| 1603 | |
| 1604 | void MacroAssembler::CompareAndBranch(const Register& lhs, |
| 1605 | const Operand& rhs, |
| 1606 | Condition cond, |
| 1607 | Label* label) { |
| 1608 | if (rhs.IsImmediate() && (rhs.ImmediateValue() == 0) && |
| 1609 | ((cond == eq) || (cond == ne))) { |
| 1610 | if (cond == eq) { |
| 1611 | Cbz(lhs, label); |
| 1612 | } else { |
| 1613 | Cbnz(lhs, label); |
| 1614 | } |
| 1615 | } else { |
| 1616 | Cmp(lhs, rhs); |
| 1617 | B(cond, label); |
| 1618 | } |
| 1619 | } |
| 1620 | |
| 1621 | |
| 1622 | void MacroAssembler::TestAndBranchIfAnySet(const Register& reg, |
| 1623 | const uint64_t bit_pattern, |
| 1624 | Label* label) { |
| 1625 | int bits = reg.SizeInBits(); |
| 1626 | DCHECK(CountSetBits(bit_pattern, bits) > 0); |
| 1627 | if (CountSetBits(bit_pattern, bits) == 1) { |
| 1628 | Tbnz(reg, MaskToBit(bit_pattern), label); |
| 1629 | } else { |
| 1630 | Tst(reg, bit_pattern); |
| 1631 | B(ne, label); |
| 1632 | } |
| 1633 | } |
| 1634 | |
| 1635 | |
| 1636 | void MacroAssembler::TestAndBranchIfAllClear(const Register& reg, |
| 1637 | const uint64_t bit_pattern, |
| 1638 | Label* label) { |
| 1639 | int bits = reg.SizeInBits(); |
| 1640 | DCHECK(CountSetBits(bit_pattern, bits) > 0); |
| 1641 | if (CountSetBits(bit_pattern, bits) == 1) { |
| 1642 | Tbz(reg, MaskToBit(bit_pattern), label); |
| 1643 | } else { |
| 1644 | Tst(reg, bit_pattern); |
| 1645 | B(eq, label); |
| 1646 | } |
| 1647 | } |
| 1648 | |
| 1649 | |
| 1650 | void MacroAssembler::InlineData(uint64_t data) { |
| 1651 | DCHECK(is_uint16(data)); |
| 1652 | InstructionAccurateScope scope(this, 1); |
| 1653 | movz(xzr, data); |
| 1654 | } |
| 1655 | |
| 1656 | |
| 1657 | void MacroAssembler::EnableInstrumentation() { |
| 1658 | InstructionAccurateScope scope(this, 1); |
| 1659 | movn(xzr, InstrumentStateEnable); |
| 1660 | } |
| 1661 | |
| 1662 | |
| 1663 | void MacroAssembler::DisableInstrumentation() { |
| 1664 | InstructionAccurateScope scope(this, 1); |
| 1665 | movn(xzr, InstrumentStateDisable); |
| 1666 | } |
| 1667 | |
| 1668 | |
| 1669 | void MacroAssembler::AnnotateInstrumentation(const char* marker_name) { |
| 1670 | DCHECK(strlen(marker_name) == 2); |
| 1671 | |
| 1672 | // We allow only printable characters in the marker names. Unprintable |
| 1673 | // characters are reserved for controlling features of the instrumentation. |
| 1674 | DCHECK(isprint(marker_name[0]) && isprint(marker_name[1])); |
| 1675 | |
| 1676 | InstructionAccurateScope scope(this, 1); |
| 1677 | movn(xzr, (marker_name[1] << 8) | marker_name[0]); |
| 1678 | } |
| 1679 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1680 | } // namespace internal |
| 1681 | } // namespace v8 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1682 | |
| 1683 | #endif // V8_ARM64_MACRO_ASSEMBLER_ARM64_INL_H_ |