John Porto | 5d0acff | 2015-06-30 15:29:21 -0700 | [diff] [blame^] | 1 | //===- subzero/src/IceAssemblerX86BaseImpl.h - base x86 assembler -*- C++ -*-=// |
| 2 | // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 3 | // for details. All rights reserved. Use of this source code is governed by a |
| 4 | // BSD-style license that can be found in the LICENSE file. |
| 5 | // |
| 6 | // Modified by the Subzero authors. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // The Subzero Code Generator |
| 11 | // |
| 12 | // This file is distributed under the University of Illinois Open Source |
| 13 | // License. See LICENSE.TXT for details. |
| 14 | // |
| 15 | //===----------------------------------------------------------------------===// |
| 16 | // |
| 17 | // This file implements the AssemblerX86Base template class, which is the base |
| 18 | // Assembler class for X86 assemblers. |
| 19 | // |
| 20 | //===----------------------------------------------------------------------===// |
| 21 | |
| 22 | #include "IceAssemblerX86Base.h" |
| 23 | |
| 24 | #include "IceCfg.h" |
| 25 | #include "IceOperand.h" |
| 26 | |
| 27 | namespace Ice { |
| 28 | namespace X86Internal { |
| 29 | |
| 30 | template <class Machine> |
| 31 | AssemblerX86Base<Machine>::~AssemblerX86Base<Machine>() { |
| 32 | if (BuildDefs::asserts()) { |
| 33 | for (const Label *Label : CfgNodeLabels) { |
| 34 | Label->FinalCheck(); |
| 35 | } |
| 36 | for (const Label *Label : LocalLabels) { |
| 37 | Label->FinalCheck(); |
| 38 | } |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | template <class Machine> void AssemblerX86Base<Machine>::alignFunction() { |
| 43 | SizeT Align = 1 << getBundleAlignLog2Bytes(); |
| 44 | SizeT BytesNeeded = Utils::OffsetToAlignment(Buffer.getPosition(), Align); |
| 45 | const SizeT HltSize = 1; |
| 46 | while (BytesNeeded > 0) { |
| 47 | hlt(); |
| 48 | BytesNeeded -= HltSize; |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | template <class Machine> |
| 53 | Label *AssemblerX86Base<Machine>::GetOrCreateLabel(SizeT Number, |
| 54 | LabelVector &Labels) { |
| 55 | Label *L = nullptr; |
| 56 | if (Number == Labels.size()) { |
| 57 | L = new (this->allocate<Label>()) Label(); |
| 58 | Labels.push_back(L); |
| 59 | return L; |
| 60 | } |
| 61 | if (Number > Labels.size()) { |
| 62 | Labels.resize(Number + 1); |
| 63 | } |
| 64 | L = Labels[Number]; |
| 65 | if (!L) { |
| 66 | L = new (this->allocate<Label>()) Label(); |
| 67 | Labels[Number] = L; |
| 68 | } |
| 69 | return L; |
| 70 | } |
| 71 | |
| 72 | template <class Machine> |
| 73 | Label *AssemblerX86Base<Machine>::GetOrCreateCfgNodeLabel(SizeT NodeNumber) { |
| 74 | return GetOrCreateLabel(NodeNumber, CfgNodeLabels); |
| 75 | } |
| 76 | |
| 77 | template <class Machine> |
| 78 | Label *AssemblerX86Base<Machine>::GetOrCreateLocalLabel(SizeT Number) { |
| 79 | return GetOrCreateLabel(Number, LocalLabels); |
| 80 | } |
| 81 | |
| 82 | template <class Machine> |
| 83 | void AssemblerX86Base<Machine>::bindCfgNodeLabel(SizeT NodeNumber) { |
| 84 | assert(!getPreliminary()); |
| 85 | Label *L = GetOrCreateCfgNodeLabel(NodeNumber); |
| 86 | this->bind(L); |
| 87 | } |
| 88 | |
| 89 | template <class Machine> |
| 90 | void AssemblerX86Base<Machine>::BindLocalLabel(SizeT Number) { |
| 91 | Label *L = GetOrCreateLocalLabel(Number); |
| 92 | if (!getPreliminary()) |
| 93 | this->bind(L); |
| 94 | } |
| 95 | |
| 96 | template <class Machine> |
| 97 | void AssemblerX86Base<Machine>::call(typename Traits::GPRRegister reg) { |
| 98 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 99 | emitUint8(0xFF); |
| 100 | emitRegisterOperand(2, reg); |
| 101 | } |
| 102 | |
| 103 | template <class Machine> |
| 104 | void AssemblerX86Base<Machine>::call(const typename Traits::Address &address) { |
| 105 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 106 | emitUint8(0xFF); |
| 107 | emitOperand(2, address); |
| 108 | } |
| 109 | |
| 110 | template <class Machine> |
| 111 | void AssemblerX86Base<Machine>::call(const ConstantRelocatable *label) { |
| 112 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 113 | intptr_t call_start = Buffer.getPosition(); |
| 114 | emitUint8(0xE8); |
| 115 | emitFixup(this->createFixup(Traits::PcRelFixup, label)); |
| 116 | emitInt32(-4); |
| 117 | assert((Buffer.getPosition() - call_start) == kCallExternalLabelSize); |
| 118 | (void)call_start; |
| 119 | } |
| 120 | |
| 121 | template <class Machine> |
| 122 | void AssemblerX86Base<Machine>::call(const Immediate &abs_address) { |
| 123 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 124 | intptr_t call_start = Buffer.getPosition(); |
| 125 | emitUint8(0xE8); |
| 126 | emitFixup(this->createFixup(Traits::PcRelFixup, AssemblerFixup::NullSymbol)); |
| 127 | emitInt32(abs_address.value() - 4); |
| 128 | assert((Buffer.getPosition() - call_start) == kCallExternalLabelSize); |
| 129 | (void)call_start; |
| 130 | } |
| 131 | |
| 132 | template <class Machine> |
| 133 | void AssemblerX86Base<Machine>::pushl(typename Traits::GPRRegister reg) { |
| 134 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 135 | emitUint8(0x50 + reg); |
| 136 | } |
| 137 | |
| 138 | template <class Machine> |
| 139 | void AssemblerX86Base<Machine>::popl(typename Traits::GPRRegister reg) { |
| 140 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 141 | emitUint8(0x58 + reg); |
| 142 | } |
| 143 | |
| 144 | template <class Machine> |
| 145 | void AssemblerX86Base<Machine>::popl(const typename Traits::Address &address) { |
| 146 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 147 | emitUint8(0x8F); |
| 148 | emitOperand(0, address); |
| 149 | } |
| 150 | |
| 151 | template <class Machine> void AssemblerX86Base<Machine>::pushal() { |
| 152 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 153 | emitUint8(0x60); |
| 154 | } |
| 155 | |
| 156 | template <class Machine> void AssemblerX86Base<Machine>::popal() { |
| 157 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 158 | emitUint8(0x61); |
| 159 | } |
| 160 | |
| 161 | template <class Machine> |
| 162 | void AssemblerX86Base<Machine>::setcc(typename Traits::Cond::BrCond condition, |
| 163 | typename Traits::ByteRegister dst) { |
| 164 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 165 | emitUint8(0x0F); |
| 166 | emitUint8(0x90 + condition); |
| 167 | emitUint8(0xC0 + dst); |
| 168 | } |
| 169 | |
| 170 | template <class Machine> |
| 171 | void AssemblerX86Base<Machine>::setcc(typename Traits::Cond::BrCond condition, |
| 172 | const typename Traits::Address &address) { |
| 173 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 174 | emitUint8(0x0F); |
| 175 | emitUint8(0x90 + condition); |
| 176 | emitOperand(0, address); |
| 177 | } |
| 178 | |
| 179 | template <class Machine> |
| 180 | void AssemblerX86Base<Machine>::mov(Type Ty, typename Traits::GPRRegister dst, |
| 181 | const Immediate &imm) { |
| 182 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 183 | if (isByteSizedType(Ty)) { |
| 184 | emitUint8(0xB0 + dst); |
| 185 | emitUint8(imm.value() & 0xFF); |
| 186 | return; |
| 187 | } |
| 188 | if (Ty == IceType_i16) |
| 189 | emitOperandSizeOverride(); |
| 190 | emitUint8(0xB8 + dst); |
| 191 | emitImmediate(Ty, imm); |
| 192 | } |
| 193 | |
| 194 | template <class Machine> |
| 195 | void AssemblerX86Base<Machine>::mov(Type Ty, typename Traits::GPRRegister dst, |
| 196 | typename Traits::GPRRegister src) { |
| 197 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 198 | if (Ty == IceType_i16) |
| 199 | emitOperandSizeOverride(); |
| 200 | if (isByteSizedType(Ty)) { |
| 201 | emitUint8(0x88); |
| 202 | } else { |
| 203 | emitUint8(0x89); |
| 204 | } |
| 205 | emitRegisterOperand(src, dst); |
| 206 | } |
| 207 | |
| 208 | template <class Machine> |
| 209 | void AssemblerX86Base<Machine>::mov(Type Ty, typename Traits::GPRRegister dst, |
| 210 | const typename Traits::Address &src) { |
| 211 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 212 | if (Ty == IceType_i16) |
| 213 | emitOperandSizeOverride(); |
| 214 | if (isByteSizedType(Ty)) { |
| 215 | emitUint8(0x8A); |
| 216 | } else { |
| 217 | emitUint8(0x8B); |
| 218 | } |
| 219 | emitOperand(dst, src); |
| 220 | } |
| 221 | |
| 222 | template <class Machine> |
| 223 | void AssemblerX86Base<Machine>::mov(Type Ty, |
| 224 | const typename Traits::Address &dst, |
| 225 | typename Traits::GPRRegister src) { |
| 226 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 227 | if (Ty == IceType_i16) |
| 228 | emitOperandSizeOverride(); |
| 229 | if (isByteSizedType(Ty)) { |
| 230 | emitUint8(0x88); |
| 231 | } else { |
| 232 | emitUint8(0x89); |
| 233 | } |
| 234 | emitOperand(src, dst); |
| 235 | } |
| 236 | |
| 237 | template <class Machine> |
| 238 | void AssemblerX86Base<Machine>::mov(Type Ty, |
| 239 | const typename Traits::Address &dst, |
| 240 | const Immediate &imm) { |
| 241 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 242 | if (Ty == IceType_i16) |
| 243 | emitOperandSizeOverride(); |
| 244 | if (isByteSizedType(Ty)) { |
| 245 | emitUint8(0xC6); |
| 246 | emitOperand(0, dst); |
| 247 | emitUint8(imm.value() & 0xFF); |
| 248 | } else { |
| 249 | emitUint8(0xC7); |
| 250 | emitOperand(0, dst); |
| 251 | emitImmediate(Ty, imm); |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | template <class Machine> |
| 256 | void AssemblerX86Base<Machine>::movzx(Type SrcTy, |
| 257 | typename Traits::GPRRegister dst, |
| 258 | typename Traits::GPRRegister src) { |
| 259 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 260 | bool ByteSized = isByteSizedType(SrcTy); |
| 261 | assert(ByteSized || SrcTy == IceType_i16); |
| 262 | emitUint8(0x0F); |
| 263 | emitUint8(ByteSized ? 0xB6 : 0xB7); |
| 264 | emitRegisterOperand(dst, src); |
| 265 | } |
| 266 | |
| 267 | template <class Machine> |
| 268 | void AssemblerX86Base<Machine>::movzx(Type SrcTy, |
| 269 | typename Traits::GPRRegister dst, |
| 270 | const typename Traits::Address &src) { |
| 271 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 272 | bool ByteSized = isByteSizedType(SrcTy); |
| 273 | assert(ByteSized || SrcTy == IceType_i16); |
| 274 | emitUint8(0x0F); |
| 275 | emitUint8(ByteSized ? 0xB6 : 0xB7); |
| 276 | emitOperand(dst, src); |
| 277 | } |
| 278 | |
| 279 | template <class Machine> |
| 280 | void AssemblerX86Base<Machine>::movsx(Type SrcTy, |
| 281 | typename Traits::GPRRegister dst, |
| 282 | typename Traits::GPRRegister src) { |
| 283 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 284 | bool ByteSized = isByteSizedType(SrcTy); |
| 285 | assert(ByteSized || SrcTy == IceType_i16); |
| 286 | emitUint8(0x0F); |
| 287 | emitUint8(ByteSized ? 0xBE : 0xBF); |
| 288 | emitRegisterOperand(dst, src); |
| 289 | } |
| 290 | |
| 291 | template <class Machine> |
| 292 | void AssemblerX86Base<Machine>::movsx(Type SrcTy, |
| 293 | typename Traits::GPRRegister dst, |
| 294 | const typename Traits::Address &src) { |
| 295 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 296 | bool ByteSized = isByteSizedType(SrcTy); |
| 297 | assert(ByteSized || SrcTy == IceType_i16); |
| 298 | emitUint8(0x0F); |
| 299 | emitUint8(ByteSized ? 0xBE : 0xBF); |
| 300 | emitOperand(dst, src); |
| 301 | } |
| 302 | |
| 303 | template <class Machine> |
| 304 | void AssemblerX86Base<Machine>::lea(Type Ty, typename Traits::GPRRegister dst, |
| 305 | const typename Traits::Address &src) { |
| 306 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 307 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 308 | if (Ty == IceType_i16) |
| 309 | emitOperandSizeOverride(); |
| 310 | emitUint8(0x8D); |
| 311 | emitOperand(dst, src); |
| 312 | } |
| 313 | |
| 314 | template <class Machine> |
| 315 | void AssemblerX86Base<Machine>::cmov(Type Ty, |
| 316 | typename Traits::Cond::BrCond cond, |
| 317 | typename Traits::GPRRegister dst, |
| 318 | typename Traits::GPRRegister src) { |
| 319 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 320 | if (Ty == IceType_i16) |
| 321 | emitOperandSizeOverride(); |
| 322 | else |
| 323 | assert(Ty == IceType_i32); |
| 324 | emitUint8(0x0F); |
| 325 | emitUint8(0x40 + cond); |
| 326 | emitRegisterOperand(dst, src); |
| 327 | } |
| 328 | |
| 329 | template <class Machine> |
| 330 | void AssemblerX86Base<Machine>::cmov(Type Ty, |
| 331 | typename Traits::Cond::BrCond cond, |
| 332 | typename Traits::GPRRegister dst, |
| 333 | const typename Traits::Address &src) { |
| 334 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 335 | if (Ty == IceType_i16) |
| 336 | emitOperandSizeOverride(); |
| 337 | else |
| 338 | assert(Ty == IceType_i32); |
| 339 | emitUint8(0x0F); |
| 340 | emitUint8(0x40 + cond); |
| 341 | emitOperand(dst, src); |
| 342 | } |
| 343 | |
| 344 | template <class Machine> void AssemblerX86Base<Machine>::rep_movsb() { |
| 345 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 346 | emitUint8(0xF3); |
| 347 | emitUint8(0xA4); |
| 348 | } |
| 349 | |
| 350 | template <class Machine> |
| 351 | void AssemblerX86Base<Machine>::movss(Type Ty, typename Traits::XmmRegister dst, |
| 352 | const typename Traits::Address &src) { |
| 353 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 354 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 355 | emitUint8(0x0F); |
| 356 | emitUint8(0x10); |
| 357 | emitOperand(dst, src); |
| 358 | } |
| 359 | |
| 360 | template <class Machine> |
| 361 | void AssemblerX86Base<Machine>::movss(Type Ty, |
| 362 | const typename Traits::Address &dst, |
| 363 | typename Traits::XmmRegister src) { |
| 364 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 365 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 366 | emitUint8(0x0F); |
| 367 | emitUint8(0x11); |
| 368 | emitOperand(src, dst); |
| 369 | } |
| 370 | |
| 371 | template <class Machine> |
| 372 | void AssemblerX86Base<Machine>::movss(Type Ty, typename Traits::XmmRegister dst, |
| 373 | typename Traits::XmmRegister src) { |
| 374 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 375 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 376 | emitUint8(0x0F); |
| 377 | emitUint8(0x11); |
| 378 | emitXmmRegisterOperand(src, dst); |
| 379 | } |
| 380 | |
| 381 | template <class Machine> |
| 382 | void AssemblerX86Base<Machine>::movd(typename Traits::XmmRegister dst, |
| 383 | typename Traits::GPRRegister src) { |
| 384 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 385 | emitUint8(0x66); |
| 386 | emitUint8(0x0F); |
| 387 | emitUint8(0x6E); |
| 388 | emitRegisterOperand(dst, src); |
| 389 | } |
| 390 | |
| 391 | template <class Machine> |
| 392 | void AssemblerX86Base<Machine>::movd(typename Traits::XmmRegister dst, |
| 393 | const typename Traits::Address &src) { |
| 394 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 395 | emitUint8(0x66); |
| 396 | emitUint8(0x0F); |
| 397 | emitUint8(0x6E); |
| 398 | emitOperand(dst, src); |
| 399 | } |
| 400 | |
| 401 | template <class Machine> |
| 402 | void AssemblerX86Base<Machine>::movd(typename Traits::GPRRegister dst, |
| 403 | typename Traits::XmmRegister src) { |
| 404 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 405 | emitUint8(0x66); |
| 406 | emitUint8(0x0F); |
| 407 | emitUint8(0x7E); |
| 408 | emitRegisterOperand(src, dst); |
| 409 | } |
| 410 | |
| 411 | template <class Machine> |
| 412 | void AssemblerX86Base<Machine>::movd(const typename Traits::Address &dst, |
| 413 | typename Traits::XmmRegister src) { |
| 414 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 415 | emitUint8(0x66); |
| 416 | emitUint8(0x0F); |
| 417 | emitUint8(0x7E); |
| 418 | emitOperand(src, dst); |
| 419 | } |
| 420 | |
| 421 | template <class Machine> |
| 422 | void AssemblerX86Base<Machine>::movq(typename Traits::XmmRegister dst, |
| 423 | typename Traits::XmmRegister src) { |
| 424 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 425 | emitUint8(0xF3); |
| 426 | emitUint8(0x0F); |
| 427 | emitUint8(0x7E); |
| 428 | emitRegisterOperand(dst, src); |
| 429 | } |
| 430 | |
| 431 | template <class Machine> |
| 432 | void AssemblerX86Base<Machine>::movq(const typename Traits::Address &dst, |
| 433 | typename Traits::XmmRegister src) { |
| 434 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 435 | emitUint8(0x66); |
| 436 | emitUint8(0x0F); |
| 437 | emitUint8(0xD6); |
| 438 | emitOperand(src, dst); |
| 439 | } |
| 440 | |
| 441 | template <class Machine> |
| 442 | void AssemblerX86Base<Machine>::movq(typename Traits::XmmRegister dst, |
| 443 | const typename Traits::Address &src) { |
| 444 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 445 | emitUint8(0xF3); |
| 446 | emitUint8(0x0F); |
| 447 | emitUint8(0x7E); |
| 448 | emitOperand(dst, src); |
| 449 | } |
| 450 | |
| 451 | template <class Machine> |
| 452 | void AssemblerX86Base<Machine>::addss(Type Ty, typename Traits::XmmRegister dst, |
| 453 | typename Traits::XmmRegister src) { |
| 454 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 455 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 456 | emitUint8(0x0F); |
| 457 | emitUint8(0x58); |
| 458 | emitXmmRegisterOperand(dst, src); |
| 459 | } |
| 460 | |
| 461 | template <class Machine> |
| 462 | void AssemblerX86Base<Machine>::addss(Type Ty, typename Traits::XmmRegister dst, |
| 463 | const typename Traits::Address &src) { |
| 464 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 465 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 466 | emitUint8(0x0F); |
| 467 | emitUint8(0x58); |
| 468 | emitOperand(dst, src); |
| 469 | } |
| 470 | |
| 471 | template <class Machine> |
| 472 | void AssemblerX86Base<Machine>::subss(Type Ty, typename Traits::XmmRegister dst, |
| 473 | typename Traits::XmmRegister src) { |
| 474 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 475 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 476 | emitUint8(0x0F); |
| 477 | emitUint8(0x5C); |
| 478 | emitXmmRegisterOperand(dst, src); |
| 479 | } |
| 480 | |
| 481 | template <class Machine> |
| 482 | void AssemblerX86Base<Machine>::subss(Type Ty, typename Traits::XmmRegister dst, |
| 483 | const typename Traits::Address &src) { |
| 484 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 485 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 486 | emitUint8(0x0F); |
| 487 | emitUint8(0x5C); |
| 488 | emitOperand(dst, src); |
| 489 | } |
| 490 | |
| 491 | template <class Machine> |
| 492 | void AssemblerX86Base<Machine>::mulss(Type Ty, typename Traits::XmmRegister dst, |
| 493 | typename Traits::XmmRegister src) { |
| 494 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 495 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 496 | emitUint8(0x0F); |
| 497 | emitUint8(0x59); |
| 498 | emitXmmRegisterOperand(dst, src); |
| 499 | } |
| 500 | |
| 501 | template <class Machine> |
| 502 | void AssemblerX86Base<Machine>::mulss(Type Ty, typename Traits::XmmRegister dst, |
| 503 | const typename Traits::Address &src) { |
| 504 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 505 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 506 | emitUint8(0x0F); |
| 507 | emitUint8(0x59); |
| 508 | emitOperand(dst, src); |
| 509 | } |
| 510 | |
| 511 | template <class Machine> |
| 512 | void AssemblerX86Base<Machine>::divss(Type Ty, typename Traits::XmmRegister dst, |
| 513 | typename Traits::XmmRegister src) { |
| 514 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 515 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 516 | emitUint8(0x0F); |
| 517 | emitUint8(0x5E); |
| 518 | emitXmmRegisterOperand(dst, src); |
| 519 | } |
| 520 | |
| 521 | template <class Machine> |
| 522 | void AssemblerX86Base<Machine>::divss(Type Ty, typename Traits::XmmRegister dst, |
| 523 | const typename Traits::Address &src) { |
| 524 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 525 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 526 | emitUint8(0x0F); |
| 527 | emitUint8(0x5E); |
| 528 | emitOperand(dst, src); |
| 529 | } |
| 530 | |
| 531 | template <class Machine> |
| 532 | void AssemblerX86Base<Machine>::fld(Type Ty, |
| 533 | const typename Traits::Address &src) { |
| 534 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 535 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xD9 : 0xDD); |
| 536 | emitOperand(0, src); |
| 537 | } |
| 538 | |
| 539 | template <class Machine> |
| 540 | void AssemblerX86Base<Machine>::fstp(Type Ty, |
| 541 | const typename Traits::Address &dst) { |
| 542 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 543 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xD9 : 0xDD); |
| 544 | emitOperand(3, dst); |
| 545 | } |
| 546 | |
| 547 | template <class Machine> |
| 548 | void AssemblerX86Base<Machine>::fstp(typename Traits::X87STRegister st) { |
| 549 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 550 | emitUint8(0xDD); |
| 551 | emitUint8(0xD8 + st); |
| 552 | } |
| 553 | |
| 554 | template <class Machine> |
| 555 | void AssemblerX86Base<Machine>::movaps(typename Traits::XmmRegister dst, |
| 556 | typename Traits::XmmRegister src) { |
| 557 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 558 | emitUint8(0x0F); |
| 559 | emitUint8(0x28); |
| 560 | emitXmmRegisterOperand(dst, src); |
| 561 | } |
| 562 | |
| 563 | template <class Machine> |
| 564 | void AssemblerX86Base<Machine>::movups(typename Traits::XmmRegister dst, |
| 565 | typename Traits::XmmRegister src) { |
| 566 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 567 | emitUint8(0x0F); |
| 568 | emitUint8(0x10); |
| 569 | emitRegisterOperand(dst, src); |
| 570 | } |
| 571 | |
| 572 | template <class Machine> |
| 573 | void AssemblerX86Base<Machine>::movups(typename Traits::XmmRegister dst, |
| 574 | const typename Traits::Address &src) { |
| 575 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 576 | emitUint8(0x0F); |
| 577 | emitUint8(0x10); |
| 578 | emitOperand(dst, src); |
| 579 | } |
| 580 | |
| 581 | template <class Machine> |
| 582 | void AssemblerX86Base<Machine>::movups(const typename Traits::Address &dst, |
| 583 | typename Traits::XmmRegister src) { |
| 584 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 585 | emitUint8(0x0F); |
| 586 | emitUint8(0x11); |
| 587 | emitOperand(src, dst); |
| 588 | } |
| 589 | |
| 590 | template <class Machine> |
| 591 | void AssemblerX86Base<Machine>::padd(Type Ty, typename Traits::XmmRegister dst, |
| 592 | typename Traits::XmmRegister src) { |
| 593 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 594 | emitUint8(0x66); |
| 595 | emitUint8(0x0F); |
| 596 | if (isByteSizedArithType(Ty)) { |
| 597 | emitUint8(0xFC); |
| 598 | } else if (Ty == IceType_i16) { |
| 599 | emitUint8(0xFD); |
| 600 | } else { |
| 601 | emitUint8(0xFE); |
| 602 | } |
| 603 | emitXmmRegisterOperand(dst, src); |
| 604 | } |
| 605 | |
| 606 | template <class Machine> |
| 607 | void AssemblerX86Base<Machine>::padd(Type Ty, typename Traits::XmmRegister dst, |
| 608 | const typename Traits::Address &src) { |
| 609 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 610 | emitUint8(0x66); |
| 611 | emitUint8(0x0F); |
| 612 | if (isByteSizedArithType(Ty)) { |
| 613 | emitUint8(0xFC); |
| 614 | } else if (Ty == IceType_i16) { |
| 615 | emitUint8(0xFD); |
| 616 | } else { |
| 617 | emitUint8(0xFE); |
| 618 | } |
| 619 | emitOperand(dst, src); |
| 620 | } |
| 621 | |
| 622 | template <class Machine> |
| 623 | void AssemblerX86Base<Machine>::pand(Type /* Ty */, |
| 624 | typename Traits::XmmRegister dst, |
| 625 | typename Traits::XmmRegister src) { |
| 626 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 627 | emitUint8(0x66); |
| 628 | emitUint8(0x0F); |
| 629 | emitUint8(0xDB); |
| 630 | emitXmmRegisterOperand(dst, src); |
| 631 | } |
| 632 | |
| 633 | template <class Machine> |
| 634 | void AssemblerX86Base<Machine>::pand(Type /* Ty */, |
| 635 | typename Traits::XmmRegister dst, |
| 636 | const typename Traits::Address &src) { |
| 637 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 638 | emitUint8(0x66); |
| 639 | emitUint8(0x0F); |
| 640 | emitUint8(0xDB); |
| 641 | emitOperand(dst, src); |
| 642 | } |
| 643 | |
| 644 | template <class Machine> |
| 645 | void AssemblerX86Base<Machine>::pandn(Type /* Ty */, |
| 646 | typename Traits::XmmRegister dst, |
| 647 | typename Traits::XmmRegister src) { |
| 648 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 649 | emitUint8(0x66); |
| 650 | emitUint8(0x0F); |
| 651 | emitUint8(0xDF); |
| 652 | emitXmmRegisterOperand(dst, src); |
| 653 | } |
| 654 | |
| 655 | template <class Machine> |
| 656 | void AssemblerX86Base<Machine>::pandn(Type /* Ty */, |
| 657 | typename Traits::XmmRegister dst, |
| 658 | const typename Traits::Address &src) { |
| 659 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 660 | emitUint8(0x66); |
| 661 | emitUint8(0x0F); |
| 662 | emitUint8(0xDF); |
| 663 | emitOperand(dst, src); |
| 664 | } |
| 665 | |
| 666 | template <class Machine> |
| 667 | void AssemblerX86Base<Machine>::pmull(Type Ty, typename Traits::XmmRegister dst, |
| 668 | typename Traits::XmmRegister src) { |
| 669 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 670 | emitUint8(0x66); |
| 671 | emitUint8(0x0F); |
| 672 | if (Ty == IceType_i16) { |
| 673 | emitUint8(0xD5); |
| 674 | } else { |
| 675 | assert(Ty == IceType_i32); |
| 676 | emitUint8(0x38); |
| 677 | emitUint8(0x40); |
| 678 | } |
| 679 | emitXmmRegisterOperand(dst, src); |
| 680 | } |
| 681 | |
| 682 | template <class Machine> |
| 683 | void AssemblerX86Base<Machine>::pmull(Type Ty, typename Traits::XmmRegister dst, |
| 684 | const typename Traits::Address &src) { |
| 685 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 686 | emitUint8(0x66); |
| 687 | emitUint8(0x0F); |
| 688 | if (Ty == IceType_i16) { |
| 689 | emitUint8(0xD5); |
| 690 | } else { |
| 691 | assert(Ty == IceType_i32); |
| 692 | emitUint8(0x38); |
| 693 | emitUint8(0x40); |
| 694 | } |
| 695 | emitOperand(dst, src); |
| 696 | } |
| 697 | |
| 698 | template <class Machine> |
| 699 | void AssemblerX86Base<Machine>::pmuludq(Type /* Ty */, |
| 700 | typename Traits::XmmRegister dst, |
| 701 | typename Traits::XmmRegister src) { |
| 702 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 703 | emitUint8(0x66); |
| 704 | emitUint8(0x0F); |
| 705 | emitUint8(0xF4); |
| 706 | emitXmmRegisterOperand(dst, src); |
| 707 | } |
| 708 | |
| 709 | template <class Machine> |
| 710 | void AssemblerX86Base<Machine>::pmuludq(Type /* Ty */, |
| 711 | typename Traits::XmmRegister dst, |
| 712 | const typename Traits::Address &src) { |
| 713 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 714 | emitUint8(0x66); |
| 715 | emitUint8(0x0F); |
| 716 | emitUint8(0xF4); |
| 717 | emitOperand(dst, src); |
| 718 | } |
| 719 | |
| 720 | template <class Machine> |
| 721 | void AssemblerX86Base<Machine>::por(Type /* Ty */, |
| 722 | typename Traits::XmmRegister dst, |
| 723 | typename Traits::XmmRegister src) { |
| 724 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 725 | emitUint8(0x66); |
| 726 | emitUint8(0x0F); |
| 727 | emitUint8(0xEB); |
| 728 | emitXmmRegisterOperand(dst, src); |
| 729 | } |
| 730 | |
| 731 | template <class Machine> |
| 732 | void AssemblerX86Base<Machine>::por(Type /* Ty */, |
| 733 | typename Traits::XmmRegister dst, |
| 734 | const typename Traits::Address &src) { |
| 735 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 736 | emitUint8(0x66); |
| 737 | emitUint8(0x0F); |
| 738 | emitUint8(0xEB); |
| 739 | emitOperand(dst, src); |
| 740 | } |
| 741 | |
| 742 | template <class Machine> |
| 743 | void AssemblerX86Base<Machine>::psub(Type Ty, typename Traits::XmmRegister dst, |
| 744 | typename Traits::XmmRegister src) { |
| 745 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 746 | emitUint8(0x66); |
| 747 | emitUint8(0x0F); |
| 748 | if (isByteSizedArithType(Ty)) { |
| 749 | emitUint8(0xF8); |
| 750 | } else if (Ty == IceType_i16) { |
| 751 | emitUint8(0xF9); |
| 752 | } else { |
| 753 | emitUint8(0xFA); |
| 754 | } |
| 755 | emitXmmRegisterOperand(dst, src); |
| 756 | } |
| 757 | |
| 758 | template <class Machine> |
| 759 | void AssemblerX86Base<Machine>::psub(Type Ty, typename Traits::XmmRegister dst, |
| 760 | const typename Traits::Address &src) { |
| 761 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 762 | emitUint8(0x66); |
| 763 | emitUint8(0x0F); |
| 764 | if (isByteSizedArithType(Ty)) { |
| 765 | emitUint8(0xF8); |
| 766 | } else if (Ty == IceType_i16) { |
| 767 | emitUint8(0xF9); |
| 768 | } else { |
| 769 | emitUint8(0xFA); |
| 770 | } |
| 771 | emitOperand(dst, src); |
| 772 | } |
| 773 | |
| 774 | template <class Machine> |
| 775 | void AssemblerX86Base<Machine>::pxor(Type /* Ty */, |
| 776 | typename Traits::XmmRegister dst, |
| 777 | typename Traits::XmmRegister src) { |
| 778 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 779 | emitUint8(0x66); |
| 780 | emitUint8(0x0F); |
| 781 | emitUint8(0xEF); |
| 782 | emitXmmRegisterOperand(dst, src); |
| 783 | } |
| 784 | |
| 785 | template <class Machine> |
| 786 | void AssemblerX86Base<Machine>::pxor(Type /* Ty */, |
| 787 | typename Traits::XmmRegister dst, |
| 788 | const typename Traits::Address &src) { |
| 789 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 790 | emitUint8(0x66); |
| 791 | emitUint8(0x0F); |
| 792 | emitUint8(0xEF); |
| 793 | emitOperand(dst, src); |
| 794 | } |
| 795 | |
| 796 | template <class Machine> |
| 797 | void AssemblerX86Base<Machine>::psll(Type Ty, typename Traits::XmmRegister dst, |
| 798 | typename Traits::XmmRegister src) { |
| 799 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 800 | emitUint8(0x66); |
| 801 | emitUint8(0x0F); |
| 802 | if (Ty == IceType_i16) { |
| 803 | emitUint8(0xF1); |
| 804 | } else { |
| 805 | assert(Ty == IceType_i32); |
| 806 | emitUint8(0xF2); |
| 807 | } |
| 808 | emitXmmRegisterOperand(dst, src); |
| 809 | } |
| 810 | |
| 811 | template <class Machine> |
| 812 | void AssemblerX86Base<Machine>::psll(Type Ty, typename Traits::XmmRegister dst, |
| 813 | const typename Traits::Address &src) { |
| 814 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 815 | emitUint8(0x66); |
| 816 | emitUint8(0x0F); |
| 817 | if (Ty == IceType_i16) { |
| 818 | emitUint8(0xF1); |
| 819 | } else { |
| 820 | assert(Ty == IceType_i32); |
| 821 | emitUint8(0xF2); |
| 822 | } |
| 823 | emitOperand(dst, src); |
| 824 | } |
| 825 | |
| 826 | template <class Machine> |
| 827 | void AssemblerX86Base<Machine>::psll(Type Ty, typename Traits::XmmRegister dst, |
| 828 | const Immediate &imm) { |
| 829 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 830 | assert(imm.is_int8()); |
| 831 | emitUint8(0x66); |
| 832 | emitUint8(0x0F); |
| 833 | if (Ty == IceType_i16) { |
| 834 | emitUint8(0x71); |
| 835 | } else { |
| 836 | assert(Ty == IceType_i32); |
| 837 | emitUint8(0x72); |
| 838 | } |
| 839 | emitRegisterOperand(6, dst); |
| 840 | emitUint8(imm.value() & 0xFF); |
| 841 | } |
| 842 | |
| 843 | template <class Machine> |
| 844 | void AssemblerX86Base<Machine>::psra(Type Ty, typename Traits::XmmRegister dst, |
| 845 | typename Traits::XmmRegister src) { |
| 846 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 847 | emitUint8(0x66); |
| 848 | emitUint8(0x0F); |
| 849 | if (Ty == IceType_i16) { |
| 850 | emitUint8(0xE1); |
| 851 | } else { |
| 852 | assert(Ty == IceType_i32); |
| 853 | emitUint8(0xE2); |
| 854 | } |
| 855 | emitXmmRegisterOperand(dst, src); |
| 856 | } |
| 857 | |
| 858 | template <class Machine> |
| 859 | void AssemblerX86Base<Machine>::psra(Type Ty, typename Traits::XmmRegister dst, |
| 860 | const typename Traits::Address &src) { |
| 861 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 862 | emitUint8(0x66); |
| 863 | emitUint8(0x0F); |
| 864 | if (Ty == IceType_i16) { |
| 865 | emitUint8(0xE1); |
| 866 | } else { |
| 867 | assert(Ty == IceType_i32); |
| 868 | emitUint8(0xE2); |
| 869 | } |
| 870 | emitOperand(dst, src); |
| 871 | } |
| 872 | |
| 873 | template <class Machine> |
| 874 | void AssemblerX86Base<Machine>::psra(Type Ty, typename Traits::XmmRegister dst, |
| 875 | const Immediate &imm) { |
| 876 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 877 | assert(imm.is_int8()); |
| 878 | emitUint8(0x66); |
| 879 | emitUint8(0x0F); |
| 880 | if (Ty == IceType_i16) { |
| 881 | emitUint8(0x71); |
| 882 | } else { |
| 883 | assert(Ty == IceType_i32); |
| 884 | emitUint8(0x72); |
| 885 | } |
| 886 | emitRegisterOperand(4, dst); |
| 887 | emitUint8(imm.value() & 0xFF); |
| 888 | } |
| 889 | |
| 890 | template <class Machine> |
| 891 | void AssemblerX86Base<Machine>::psrl(Type Ty, typename Traits::XmmRegister dst, |
| 892 | typename Traits::XmmRegister src) { |
| 893 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 894 | emitUint8(0x66); |
| 895 | emitUint8(0x0F); |
| 896 | if (Ty == IceType_i16) { |
| 897 | emitUint8(0xD1); |
| 898 | } else if (Ty == IceType_f64) { |
| 899 | emitUint8(0xD3); |
| 900 | } else { |
| 901 | assert(Ty == IceType_i32 || Ty == IceType_f32 || Ty == IceType_v4f32); |
| 902 | emitUint8(0xD2); |
| 903 | } |
| 904 | emitXmmRegisterOperand(dst, src); |
| 905 | } |
| 906 | |
| 907 | template <class Machine> |
| 908 | void AssemblerX86Base<Machine>::psrl(Type Ty, typename Traits::XmmRegister dst, |
| 909 | const typename Traits::Address &src) { |
| 910 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 911 | emitUint8(0x66); |
| 912 | emitUint8(0x0F); |
| 913 | if (Ty == IceType_i16) { |
| 914 | emitUint8(0xD1); |
| 915 | } else if (Ty == IceType_f64) { |
| 916 | emitUint8(0xD3); |
| 917 | } else { |
| 918 | assert(Ty == IceType_i32 || Ty == IceType_f32 || Ty == IceType_v4f32); |
| 919 | emitUint8(0xD2); |
| 920 | } |
| 921 | emitOperand(dst, src); |
| 922 | } |
| 923 | |
| 924 | template <class Machine> |
| 925 | void AssemblerX86Base<Machine>::psrl(Type Ty, typename Traits::XmmRegister dst, |
| 926 | const Immediate &imm) { |
| 927 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 928 | assert(imm.is_int8()); |
| 929 | emitUint8(0x66); |
| 930 | emitUint8(0x0F); |
| 931 | if (Ty == IceType_i16) { |
| 932 | emitUint8(0x71); |
| 933 | } else if (Ty == IceType_f64) { |
| 934 | emitUint8(0x73); |
| 935 | } else { |
| 936 | assert(Ty == IceType_i32 || Ty == IceType_f32 || Ty == IceType_v4f32); |
| 937 | emitUint8(0x72); |
| 938 | } |
| 939 | emitRegisterOperand(2, dst); |
| 940 | emitUint8(imm.value() & 0xFF); |
| 941 | } |
| 942 | |
| 943 | // {add,sub,mul,div}ps are given a Ty parameter for consistency with |
| 944 | // {add,sub,mul,div}ss. In the future, when the PNaCl ABI allows |
| 945 | // addpd, etc., we can use the Ty parameter to decide on adding |
| 946 | // a 0x66 prefix. |
| 947 | template <class Machine> |
| 948 | void AssemblerX86Base<Machine>::addps(Type /* Ty */, |
| 949 | typename Traits::XmmRegister dst, |
| 950 | typename Traits::XmmRegister src) { |
| 951 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 952 | emitUint8(0x0F); |
| 953 | emitUint8(0x58); |
| 954 | emitXmmRegisterOperand(dst, src); |
| 955 | } |
| 956 | |
| 957 | template <class Machine> |
| 958 | void AssemblerX86Base<Machine>::addps(Type /* Ty */, |
| 959 | typename Traits::XmmRegister dst, |
| 960 | const typename Traits::Address &src) { |
| 961 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 962 | emitUint8(0x0F); |
| 963 | emitUint8(0x58); |
| 964 | emitOperand(dst, src); |
| 965 | } |
| 966 | |
| 967 | template <class Machine> |
| 968 | void AssemblerX86Base<Machine>::subps(Type /* Ty */, |
| 969 | typename Traits::XmmRegister dst, |
| 970 | typename Traits::XmmRegister src) { |
| 971 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 972 | emitUint8(0x0F); |
| 973 | emitUint8(0x5C); |
| 974 | emitXmmRegisterOperand(dst, src); |
| 975 | } |
| 976 | |
| 977 | template <class Machine> |
| 978 | void AssemblerX86Base<Machine>::subps(Type /* Ty */, |
| 979 | typename Traits::XmmRegister dst, |
| 980 | const typename Traits::Address &src) { |
| 981 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 982 | emitUint8(0x0F); |
| 983 | emitUint8(0x5C); |
| 984 | emitOperand(dst, src); |
| 985 | } |
| 986 | |
| 987 | template <class Machine> |
| 988 | void AssemblerX86Base<Machine>::divps(Type /* Ty */, |
| 989 | typename Traits::XmmRegister dst, |
| 990 | typename Traits::XmmRegister src) { |
| 991 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 992 | emitUint8(0x0F); |
| 993 | emitUint8(0x5E); |
| 994 | emitXmmRegisterOperand(dst, src); |
| 995 | } |
| 996 | |
| 997 | template <class Machine> |
| 998 | void AssemblerX86Base<Machine>::divps(Type /* Ty */, |
| 999 | typename Traits::XmmRegister dst, |
| 1000 | const typename Traits::Address &src) { |
| 1001 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1002 | emitUint8(0x0F); |
| 1003 | emitUint8(0x5E); |
| 1004 | emitOperand(dst, src); |
| 1005 | } |
| 1006 | |
| 1007 | template <class Machine> |
| 1008 | void AssemblerX86Base<Machine>::mulps(Type /* Ty */, |
| 1009 | typename Traits::XmmRegister dst, |
| 1010 | typename Traits::XmmRegister src) { |
| 1011 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1012 | emitUint8(0x0F); |
| 1013 | emitUint8(0x59); |
| 1014 | emitXmmRegisterOperand(dst, src); |
| 1015 | } |
| 1016 | |
| 1017 | template <class Machine> |
| 1018 | void AssemblerX86Base<Machine>::mulps(Type /* Ty */, |
| 1019 | typename Traits::XmmRegister dst, |
| 1020 | const typename Traits::Address &src) { |
| 1021 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1022 | emitUint8(0x0F); |
| 1023 | emitUint8(0x59); |
| 1024 | emitOperand(dst, src); |
| 1025 | } |
| 1026 | |
| 1027 | template <class Machine> |
| 1028 | void AssemblerX86Base<Machine>::minps(typename Traits::XmmRegister dst, |
| 1029 | typename Traits::XmmRegister src) { |
| 1030 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1031 | emitUint8(0x0F); |
| 1032 | emitUint8(0x5D); |
| 1033 | emitXmmRegisterOperand(dst, src); |
| 1034 | } |
| 1035 | |
| 1036 | template <class Machine> |
| 1037 | void AssemblerX86Base<Machine>::maxps(typename Traits::XmmRegister dst, |
| 1038 | typename Traits::XmmRegister src) { |
| 1039 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1040 | emitUint8(0x0F); |
| 1041 | emitUint8(0x5F); |
| 1042 | emitXmmRegisterOperand(dst, src); |
| 1043 | } |
| 1044 | |
| 1045 | template <class Machine> |
| 1046 | void AssemblerX86Base<Machine>::andps(typename Traits::XmmRegister dst, |
| 1047 | typename Traits::XmmRegister src) { |
| 1048 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1049 | emitUint8(0x0F); |
| 1050 | emitUint8(0x54); |
| 1051 | emitXmmRegisterOperand(dst, src); |
| 1052 | } |
| 1053 | |
| 1054 | template <class Machine> |
| 1055 | void AssemblerX86Base<Machine>::andps(typename Traits::XmmRegister dst, |
| 1056 | const typename Traits::Address &src) { |
| 1057 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1058 | emitUint8(0x0F); |
| 1059 | emitUint8(0x54); |
| 1060 | emitOperand(dst, src); |
| 1061 | } |
| 1062 | |
| 1063 | template <class Machine> |
| 1064 | void AssemblerX86Base<Machine>::orps(typename Traits::XmmRegister dst, |
| 1065 | typename Traits::XmmRegister src) { |
| 1066 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1067 | emitUint8(0x0F); |
| 1068 | emitUint8(0x56); |
| 1069 | emitXmmRegisterOperand(dst, src); |
| 1070 | } |
| 1071 | |
| 1072 | template <class Machine> |
| 1073 | void AssemblerX86Base<Machine>::blendvps(Type /* Ty */, |
| 1074 | typename Traits::XmmRegister dst, |
| 1075 | typename Traits::XmmRegister src) { |
| 1076 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1077 | emitUint8(0x66); |
| 1078 | emitUint8(0x0F); |
| 1079 | emitUint8(0x38); |
| 1080 | emitUint8(0x14); |
| 1081 | emitXmmRegisterOperand(dst, src); |
| 1082 | } |
| 1083 | |
| 1084 | template <class Machine> |
| 1085 | void AssemblerX86Base<Machine>::blendvps(Type /* Ty */, |
| 1086 | typename Traits::XmmRegister dst, |
| 1087 | const typename Traits::Address &src) { |
| 1088 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1089 | emitUint8(0x66); |
| 1090 | emitUint8(0x0F); |
| 1091 | emitUint8(0x38); |
| 1092 | emitUint8(0x14); |
| 1093 | emitOperand(dst, src); |
| 1094 | } |
| 1095 | |
| 1096 | template <class Machine> |
| 1097 | void AssemblerX86Base<Machine>::pblendvb(Type /* Ty */, |
| 1098 | typename Traits::XmmRegister dst, |
| 1099 | typename Traits::XmmRegister src) { |
| 1100 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1101 | emitUint8(0x66); |
| 1102 | emitUint8(0x0F); |
| 1103 | emitUint8(0x38); |
| 1104 | emitUint8(0x10); |
| 1105 | emitXmmRegisterOperand(dst, src); |
| 1106 | } |
| 1107 | |
| 1108 | template <class Machine> |
| 1109 | void AssemblerX86Base<Machine>::pblendvb(Type /* Ty */, |
| 1110 | typename Traits::XmmRegister dst, |
| 1111 | const typename Traits::Address &src) { |
| 1112 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1113 | emitUint8(0x66); |
| 1114 | emitUint8(0x0F); |
| 1115 | emitUint8(0x38); |
| 1116 | emitUint8(0x10); |
| 1117 | emitOperand(dst, src); |
| 1118 | } |
| 1119 | |
| 1120 | template <class Machine> |
| 1121 | void AssemblerX86Base<Machine>::cmpps( |
| 1122 | typename Traits::XmmRegister dst, typename Traits::XmmRegister src, |
| 1123 | typename Traits::Cond::CmppsCond CmpCondition) { |
| 1124 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1125 | emitUint8(0x0F); |
| 1126 | emitUint8(0xC2); |
| 1127 | emitXmmRegisterOperand(dst, src); |
| 1128 | emitUint8(CmpCondition); |
| 1129 | } |
| 1130 | |
| 1131 | template <class Machine> |
| 1132 | void AssemblerX86Base<Machine>::cmpps( |
| 1133 | typename Traits::XmmRegister dst, const typename Traits::Address &src, |
| 1134 | typename Traits::Cond::CmppsCond CmpCondition) { |
| 1135 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1136 | emitUint8(0x0F); |
| 1137 | emitUint8(0xC2); |
| 1138 | emitOperand(dst, src); |
| 1139 | emitUint8(CmpCondition); |
| 1140 | } |
| 1141 | |
| 1142 | template <class Machine> |
| 1143 | void AssemblerX86Base<Machine>::sqrtps(typename Traits::XmmRegister dst) { |
| 1144 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1145 | emitUint8(0x0F); |
| 1146 | emitUint8(0x51); |
| 1147 | emitXmmRegisterOperand(dst, dst); |
| 1148 | } |
| 1149 | |
| 1150 | template <class Machine> |
| 1151 | void AssemblerX86Base<Machine>::rsqrtps(typename Traits::XmmRegister dst) { |
| 1152 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1153 | emitUint8(0x0F); |
| 1154 | emitUint8(0x52); |
| 1155 | emitXmmRegisterOperand(dst, dst); |
| 1156 | } |
| 1157 | |
| 1158 | template <class Machine> |
| 1159 | void AssemblerX86Base<Machine>::reciprocalps(typename Traits::XmmRegister dst) { |
| 1160 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1161 | emitUint8(0x0F); |
| 1162 | emitUint8(0x53); |
| 1163 | emitXmmRegisterOperand(dst, dst); |
| 1164 | } |
| 1165 | |
| 1166 | template <class Machine> |
| 1167 | void AssemblerX86Base<Machine>::movhlps(typename Traits::XmmRegister dst, |
| 1168 | typename Traits::XmmRegister src) { |
| 1169 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1170 | emitUint8(0x0F); |
| 1171 | emitUint8(0x12); |
| 1172 | emitXmmRegisterOperand(dst, src); |
| 1173 | } |
| 1174 | |
| 1175 | template <class Machine> |
| 1176 | void AssemblerX86Base<Machine>::movlhps(typename Traits::XmmRegister dst, |
| 1177 | typename Traits::XmmRegister src) { |
| 1178 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1179 | emitUint8(0x0F); |
| 1180 | emitUint8(0x16); |
| 1181 | emitXmmRegisterOperand(dst, src); |
| 1182 | } |
| 1183 | |
| 1184 | template <class Machine> |
| 1185 | void AssemblerX86Base<Machine>::unpcklps(typename Traits::XmmRegister dst, |
| 1186 | typename Traits::XmmRegister src) { |
| 1187 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1188 | emitUint8(0x0F); |
| 1189 | emitUint8(0x14); |
| 1190 | emitXmmRegisterOperand(dst, src); |
| 1191 | } |
| 1192 | |
| 1193 | template <class Machine> |
| 1194 | void AssemblerX86Base<Machine>::unpckhps(typename Traits::XmmRegister dst, |
| 1195 | typename Traits::XmmRegister src) { |
| 1196 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1197 | emitUint8(0x0F); |
| 1198 | emitUint8(0x15); |
| 1199 | emitXmmRegisterOperand(dst, src); |
| 1200 | } |
| 1201 | |
| 1202 | template <class Machine> |
| 1203 | void AssemblerX86Base<Machine>::unpcklpd(typename Traits::XmmRegister dst, |
| 1204 | typename Traits::XmmRegister src) { |
| 1205 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1206 | emitUint8(0x66); |
| 1207 | emitUint8(0x0F); |
| 1208 | emitUint8(0x14); |
| 1209 | emitXmmRegisterOperand(dst, src); |
| 1210 | } |
| 1211 | |
| 1212 | template <class Machine> |
| 1213 | void AssemblerX86Base<Machine>::unpckhpd(typename Traits::XmmRegister dst, |
| 1214 | typename Traits::XmmRegister src) { |
| 1215 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1216 | emitUint8(0x66); |
| 1217 | emitUint8(0x0F); |
| 1218 | emitUint8(0x15); |
| 1219 | emitXmmRegisterOperand(dst, src); |
| 1220 | } |
| 1221 | |
| 1222 | template <class Machine> |
| 1223 | void AssemblerX86Base<Machine>::set1ps(typename Traits::XmmRegister dst, |
| 1224 | typename Traits::GPRRegister tmp1, |
| 1225 | const Immediate &imm) { |
| 1226 | // Load 32-bit immediate value into tmp1. |
| 1227 | mov(IceType_i32, tmp1, imm); |
| 1228 | // Move value from tmp1 into dst. |
| 1229 | movd(dst, tmp1); |
| 1230 | // Broadcast low lane into other three lanes. |
| 1231 | shufps(dst, dst, Immediate(0x0)); |
| 1232 | } |
| 1233 | |
| 1234 | template <class Machine> |
| 1235 | void AssemblerX86Base<Machine>::shufps(typename Traits::XmmRegister dst, |
| 1236 | typename Traits::XmmRegister src, |
| 1237 | const Immediate &imm) { |
| 1238 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1239 | emitUint8(0x0F); |
| 1240 | emitUint8(0xC6); |
| 1241 | emitXmmRegisterOperand(dst, src); |
| 1242 | assert(imm.is_uint8()); |
| 1243 | emitUint8(imm.value()); |
| 1244 | } |
| 1245 | |
| 1246 | template <class Machine> |
| 1247 | void AssemblerX86Base<Machine>::pshufd(Type /* Ty */, |
| 1248 | typename Traits::XmmRegister dst, |
| 1249 | typename Traits::XmmRegister src, |
| 1250 | const Immediate &imm) { |
| 1251 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1252 | emitUint8(0x66); |
| 1253 | emitUint8(0x0F); |
| 1254 | emitUint8(0x70); |
| 1255 | emitXmmRegisterOperand(dst, src); |
| 1256 | assert(imm.is_uint8()); |
| 1257 | emitUint8(imm.value()); |
| 1258 | } |
| 1259 | |
| 1260 | template <class Machine> |
| 1261 | void AssemblerX86Base<Machine>::pshufd(Type /* Ty */, |
| 1262 | typename Traits::XmmRegister dst, |
| 1263 | const typename Traits::Address &src, |
| 1264 | const Immediate &imm) { |
| 1265 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1266 | emitUint8(0x66); |
| 1267 | emitUint8(0x0F); |
| 1268 | emitUint8(0x70); |
| 1269 | emitOperand(dst, src); |
| 1270 | assert(imm.is_uint8()); |
| 1271 | emitUint8(imm.value()); |
| 1272 | } |
| 1273 | |
| 1274 | template <class Machine> |
| 1275 | void AssemblerX86Base<Machine>::shufps(Type /* Ty */, |
| 1276 | typename Traits::XmmRegister dst, |
| 1277 | typename Traits::XmmRegister src, |
| 1278 | const Immediate &imm) { |
| 1279 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1280 | emitUint8(0x0F); |
| 1281 | emitUint8(0xC6); |
| 1282 | emitXmmRegisterOperand(dst, src); |
| 1283 | assert(imm.is_uint8()); |
| 1284 | emitUint8(imm.value()); |
| 1285 | } |
| 1286 | |
| 1287 | template <class Machine> |
| 1288 | void AssemblerX86Base<Machine>::shufps(Type /* Ty */, |
| 1289 | typename Traits::XmmRegister dst, |
| 1290 | const typename Traits::Address &src, |
| 1291 | const Immediate &imm) { |
| 1292 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1293 | emitUint8(0x0F); |
| 1294 | emitUint8(0xC6); |
| 1295 | emitOperand(dst, src); |
| 1296 | assert(imm.is_uint8()); |
| 1297 | emitUint8(imm.value()); |
| 1298 | } |
| 1299 | |
| 1300 | template <class Machine> |
| 1301 | void AssemblerX86Base<Machine>::minpd(typename Traits::XmmRegister dst, |
| 1302 | typename Traits::XmmRegister src) { |
| 1303 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1304 | emitUint8(0x66); |
| 1305 | emitUint8(0x0F); |
| 1306 | emitUint8(0x5D); |
| 1307 | emitXmmRegisterOperand(dst, src); |
| 1308 | } |
| 1309 | |
| 1310 | template <class Machine> |
| 1311 | void AssemblerX86Base<Machine>::maxpd(typename Traits::XmmRegister dst, |
| 1312 | typename Traits::XmmRegister src) { |
| 1313 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1314 | emitUint8(0x66); |
| 1315 | emitUint8(0x0F); |
| 1316 | emitUint8(0x5F); |
| 1317 | emitXmmRegisterOperand(dst, src); |
| 1318 | } |
| 1319 | |
| 1320 | template <class Machine> |
| 1321 | void AssemblerX86Base<Machine>::sqrtpd(typename Traits::XmmRegister dst) { |
| 1322 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1323 | emitUint8(0x66); |
| 1324 | emitUint8(0x0F); |
| 1325 | emitUint8(0x51); |
| 1326 | emitXmmRegisterOperand(dst, dst); |
| 1327 | } |
| 1328 | |
| 1329 | template <class Machine> |
| 1330 | void AssemblerX86Base<Machine>::shufpd(typename Traits::XmmRegister dst, |
| 1331 | typename Traits::XmmRegister src, |
| 1332 | const Immediate &imm) { |
| 1333 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1334 | emitUint8(0x66); |
| 1335 | emitUint8(0x0F); |
| 1336 | emitUint8(0xC6); |
| 1337 | emitXmmRegisterOperand(dst, src); |
| 1338 | assert(imm.is_uint8()); |
| 1339 | emitUint8(imm.value()); |
| 1340 | } |
| 1341 | |
| 1342 | template <class Machine> |
| 1343 | void AssemblerX86Base<Machine>::cvtdq2ps(Type /* Ignore */, |
| 1344 | typename Traits::XmmRegister dst, |
| 1345 | typename Traits::XmmRegister src) { |
| 1346 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1347 | emitUint8(0x0F); |
| 1348 | emitUint8(0x5B); |
| 1349 | emitXmmRegisterOperand(dst, src); |
| 1350 | } |
| 1351 | |
| 1352 | template <class Machine> |
| 1353 | void AssemblerX86Base<Machine>::cvtdq2ps(Type /* Ignore */, |
| 1354 | typename Traits::XmmRegister dst, |
| 1355 | const typename Traits::Address &src) { |
| 1356 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1357 | emitUint8(0x0F); |
| 1358 | emitUint8(0x5B); |
| 1359 | emitOperand(dst, src); |
| 1360 | } |
| 1361 | |
| 1362 | template <class Machine> |
| 1363 | void AssemblerX86Base<Machine>::cvttps2dq(Type /* Ignore */, |
| 1364 | typename Traits::XmmRegister dst, |
| 1365 | typename Traits::XmmRegister src) { |
| 1366 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1367 | emitUint8(0xF3); |
| 1368 | emitUint8(0x0F); |
| 1369 | emitUint8(0x5B); |
| 1370 | emitXmmRegisterOperand(dst, src); |
| 1371 | } |
| 1372 | |
| 1373 | template <class Machine> |
| 1374 | void AssemblerX86Base<Machine>::cvttps2dq(Type /* Ignore */, |
| 1375 | typename Traits::XmmRegister dst, |
| 1376 | const typename Traits::Address &src) { |
| 1377 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1378 | emitUint8(0xF3); |
| 1379 | emitUint8(0x0F); |
| 1380 | emitUint8(0x5B); |
| 1381 | emitOperand(dst, src); |
| 1382 | } |
| 1383 | |
| 1384 | template <class Machine> |
| 1385 | void AssemblerX86Base<Machine>::cvtsi2ss(Type DestTy, |
| 1386 | typename Traits::XmmRegister dst, |
| 1387 | typename Traits::GPRRegister src) { |
| 1388 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1389 | emitUint8(isFloat32Asserting32Or64(DestTy) ? 0xF3 : 0xF2); |
| 1390 | emitUint8(0x0F); |
| 1391 | emitUint8(0x2A); |
| 1392 | emitRegisterOperand(dst, src); |
| 1393 | } |
| 1394 | |
| 1395 | template <class Machine> |
| 1396 | void AssemblerX86Base<Machine>::cvtsi2ss(Type DestTy, |
| 1397 | typename Traits::XmmRegister dst, |
| 1398 | const typename Traits::Address &src) { |
| 1399 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1400 | emitUint8(isFloat32Asserting32Or64(DestTy) ? 0xF3 : 0xF2); |
| 1401 | emitUint8(0x0F); |
| 1402 | emitUint8(0x2A); |
| 1403 | emitOperand(dst, src); |
| 1404 | } |
| 1405 | |
| 1406 | template <class Machine> |
| 1407 | void AssemblerX86Base<Machine>::cvtfloat2float( |
| 1408 | Type SrcTy, typename Traits::XmmRegister dst, |
| 1409 | typename Traits::XmmRegister src) { |
| 1410 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1411 | // ss2sd or sd2ss |
| 1412 | emitUint8(isFloat32Asserting32Or64(SrcTy) ? 0xF3 : 0xF2); |
| 1413 | emitUint8(0x0F); |
| 1414 | emitUint8(0x5A); |
| 1415 | emitXmmRegisterOperand(dst, src); |
| 1416 | } |
| 1417 | |
| 1418 | template <class Machine> |
| 1419 | void AssemblerX86Base<Machine>::cvtfloat2float( |
| 1420 | Type SrcTy, typename Traits::XmmRegister dst, |
| 1421 | const typename Traits::Address &src) { |
| 1422 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1423 | emitUint8(isFloat32Asserting32Or64(SrcTy) ? 0xF3 : 0xF2); |
| 1424 | emitUint8(0x0F); |
| 1425 | emitUint8(0x5A); |
| 1426 | emitOperand(dst, src); |
| 1427 | } |
| 1428 | |
| 1429 | template <class Machine> |
| 1430 | void AssemblerX86Base<Machine>::cvttss2si(Type SrcTy, |
| 1431 | typename Traits::GPRRegister dst, |
| 1432 | typename Traits::XmmRegister src) { |
| 1433 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1434 | emitUint8(isFloat32Asserting32Or64(SrcTy) ? 0xF3 : 0xF2); |
| 1435 | emitUint8(0x0F); |
| 1436 | emitUint8(0x2C); |
| 1437 | emitXmmRegisterOperand(dst, src); |
| 1438 | } |
| 1439 | |
| 1440 | template <class Machine> |
| 1441 | void AssemblerX86Base<Machine>::cvttss2si(Type SrcTy, |
| 1442 | typename Traits::GPRRegister dst, |
| 1443 | const typename Traits::Address &src) { |
| 1444 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1445 | emitUint8(isFloat32Asserting32Or64(SrcTy) ? 0xF3 : 0xF2); |
| 1446 | emitUint8(0x0F); |
| 1447 | emitUint8(0x2C); |
| 1448 | emitOperand(dst, src); |
| 1449 | } |
| 1450 | |
| 1451 | template <class Machine> |
| 1452 | void AssemblerX86Base<Machine>::ucomiss(Type Ty, typename Traits::XmmRegister a, |
| 1453 | typename Traits::XmmRegister b) { |
| 1454 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1455 | if (Ty == IceType_f64) |
| 1456 | emitUint8(0x66); |
| 1457 | emitUint8(0x0F); |
| 1458 | emitUint8(0x2E); |
| 1459 | emitXmmRegisterOperand(a, b); |
| 1460 | } |
| 1461 | |
| 1462 | template <class Machine> |
| 1463 | void AssemblerX86Base<Machine>::ucomiss(Type Ty, typename Traits::XmmRegister a, |
| 1464 | const typename Traits::Address &b) { |
| 1465 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1466 | if (Ty == IceType_f64) |
| 1467 | emitUint8(0x66); |
| 1468 | emitUint8(0x0F); |
| 1469 | emitUint8(0x2E); |
| 1470 | emitOperand(a, b); |
| 1471 | } |
| 1472 | |
| 1473 | template <class Machine> |
| 1474 | void AssemblerX86Base<Machine>::movmskpd(typename Traits::GPRRegister dst, |
| 1475 | typename Traits::XmmRegister src) { |
| 1476 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1477 | emitUint8(0x66); |
| 1478 | emitUint8(0x0F); |
| 1479 | emitUint8(0x50); |
| 1480 | emitXmmRegisterOperand(dst, src); |
| 1481 | } |
| 1482 | |
| 1483 | template <class Machine> |
| 1484 | void AssemblerX86Base<Machine>::movmskps(typename Traits::GPRRegister dst, |
| 1485 | typename Traits::XmmRegister src) { |
| 1486 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1487 | emitUint8(0x0F); |
| 1488 | emitUint8(0x50); |
| 1489 | emitXmmRegisterOperand(dst, src); |
| 1490 | } |
| 1491 | |
| 1492 | template <class Machine> |
| 1493 | void AssemblerX86Base<Machine>::sqrtss(Type Ty, |
| 1494 | typename Traits::XmmRegister dst, |
| 1495 | const typename Traits::Address &src) { |
| 1496 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1497 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 1498 | emitUint8(0x0F); |
| 1499 | emitUint8(0x51); |
| 1500 | emitOperand(dst, src); |
| 1501 | } |
| 1502 | |
| 1503 | template <class Machine> |
| 1504 | void AssemblerX86Base<Machine>::sqrtss(Type Ty, |
| 1505 | typename Traits::XmmRegister dst, |
| 1506 | typename Traits::XmmRegister src) { |
| 1507 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1508 | emitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2); |
| 1509 | emitUint8(0x0F); |
| 1510 | emitUint8(0x51); |
| 1511 | emitXmmRegisterOperand(dst, src); |
| 1512 | } |
| 1513 | |
| 1514 | template <class Machine> |
| 1515 | void AssemblerX86Base<Machine>::xorpd(typename Traits::XmmRegister dst, |
| 1516 | const typename Traits::Address &src) { |
| 1517 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1518 | emitUint8(0x66); |
| 1519 | emitUint8(0x0F); |
| 1520 | emitUint8(0x57); |
| 1521 | emitOperand(dst, src); |
| 1522 | } |
| 1523 | |
| 1524 | template <class Machine> |
| 1525 | void AssemblerX86Base<Machine>::xorpd(typename Traits::XmmRegister dst, |
| 1526 | typename Traits::XmmRegister src) { |
| 1527 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1528 | emitUint8(0x66); |
| 1529 | emitUint8(0x0F); |
| 1530 | emitUint8(0x57); |
| 1531 | emitXmmRegisterOperand(dst, src); |
| 1532 | } |
| 1533 | |
| 1534 | template <class Machine> |
| 1535 | void AssemblerX86Base<Machine>::orpd(typename Traits::XmmRegister dst, |
| 1536 | typename Traits::XmmRegister src) { |
| 1537 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1538 | emitUint8(0x66); |
| 1539 | emitUint8(0x0F); |
| 1540 | emitUint8(0x56); |
| 1541 | emitXmmRegisterOperand(dst, src); |
| 1542 | } |
| 1543 | |
| 1544 | template <class Machine> |
| 1545 | void AssemblerX86Base<Machine>::xorps(typename Traits::XmmRegister dst, |
| 1546 | const typename Traits::Address &src) { |
| 1547 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1548 | emitUint8(0x0F); |
| 1549 | emitUint8(0x57); |
| 1550 | emitOperand(dst, src); |
| 1551 | } |
| 1552 | |
| 1553 | template <class Machine> |
| 1554 | void AssemblerX86Base<Machine>::xorps(typename Traits::XmmRegister dst, |
| 1555 | typename Traits::XmmRegister src) { |
| 1556 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1557 | emitUint8(0x0F); |
| 1558 | emitUint8(0x57); |
| 1559 | emitXmmRegisterOperand(dst, src); |
| 1560 | } |
| 1561 | |
| 1562 | template <class Machine> |
| 1563 | void AssemblerX86Base<Machine>::andpd(typename Traits::XmmRegister dst, |
| 1564 | const typename Traits::Address &src) { |
| 1565 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1566 | emitUint8(0x66); |
| 1567 | emitUint8(0x0F); |
| 1568 | emitUint8(0x54); |
| 1569 | emitOperand(dst, src); |
| 1570 | } |
| 1571 | |
| 1572 | template <class Machine> |
| 1573 | void AssemblerX86Base<Machine>::andpd(typename Traits::XmmRegister dst, |
| 1574 | typename Traits::XmmRegister src) { |
| 1575 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1576 | emitUint8(0x66); |
| 1577 | emitUint8(0x0F); |
| 1578 | emitUint8(0x54); |
| 1579 | emitXmmRegisterOperand(dst, src); |
| 1580 | } |
| 1581 | |
| 1582 | template <class Machine> |
| 1583 | void AssemblerX86Base<Machine>::insertps(Type Ty, |
| 1584 | typename Traits::XmmRegister dst, |
| 1585 | typename Traits::XmmRegister src, |
| 1586 | const Immediate &imm) { |
| 1587 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1588 | assert(imm.is_uint8()); |
| 1589 | assert(isVectorFloatingType(Ty)); |
| 1590 | (void)Ty; |
| 1591 | emitUint8(0x66); |
| 1592 | emitUint8(0x0F); |
| 1593 | emitUint8(0x3A); |
| 1594 | emitUint8(0x21); |
| 1595 | emitXmmRegisterOperand(dst, src); |
| 1596 | emitUint8(imm.value()); |
| 1597 | } |
| 1598 | |
| 1599 | template <class Machine> |
| 1600 | void AssemblerX86Base<Machine>::insertps(Type Ty, |
| 1601 | typename Traits::XmmRegister dst, |
| 1602 | const typename Traits::Address &src, |
| 1603 | const Immediate &imm) { |
| 1604 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1605 | assert(imm.is_uint8()); |
| 1606 | assert(isVectorFloatingType(Ty)); |
| 1607 | (void)Ty; |
| 1608 | emitUint8(0x66); |
| 1609 | emitUint8(0x0F); |
| 1610 | emitUint8(0x3A); |
| 1611 | emitUint8(0x21); |
| 1612 | emitOperand(dst, src); |
| 1613 | emitUint8(imm.value()); |
| 1614 | } |
| 1615 | |
| 1616 | template <class Machine> |
| 1617 | void AssemblerX86Base<Machine>::pinsr(Type Ty, typename Traits::XmmRegister dst, |
| 1618 | typename Traits::GPRRegister src, |
| 1619 | const Immediate &imm) { |
| 1620 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1621 | assert(imm.is_uint8()); |
| 1622 | if (Ty == IceType_i16) { |
| 1623 | emitUint8(0x66); |
| 1624 | emitUint8(0x0F); |
| 1625 | emitUint8(0xC4); |
| 1626 | emitXmmRegisterOperand(dst, typename Traits::XmmRegister(src)); |
| 1627 | emitUint8(imm.value()); |
| 1628 | } else { |
| 1629 | emitUint8(0x66); |
| 1630 | emitUint8(0x0F); |
| 1631 | emitUint8(0x3A); |
| 1632 | emitUint8(isByteSizedType(Ty) ? 0x20 : 0x22); |
| 1633 | emitXmmRegisterOperand(dst, typename Traits::XmmRegister(src)); |
| 1634 | emitUint8(imm.value()); |
| 1635 | } |
| 1636 | } |
| 1637 | |
| 1638 | template <class Machine> |
| 1639 | void AssemblerX86Base<Machine>::pinsr(Type Ty, typename Traits::XmmRegister dst, |
| 1640 | const typename Traits::Address &src, |
| 1641 | const Immediate &imm) { |
| 1642 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1643 | assert(imm.is_uint8()); |
| 1644 | if (Ty == IceType_i16) { |
| 1645 | emitUint8(0x66); |
| 1646 | emitUint8(0x0F); |
| 1647 | emitUint8(0xC4); |
| 1648 | emitOperand(dst, src); |
| 1649 | emitUint8(imm.value()); |
| 1650 | } else { |
| 1651 | emitUint8(0x66); |
| 1652 | emitUint8(0x0F); |
| 1653 | emitUint8(0x3A); |
| 1654 | emitUint8(isByteSizedType(Ty) ? 0x20 : 0x22); |
| 1655 | emitOperand(dst, src); |
| 1656 | emitUint8(imm.value()); |
| 1657 | } |
| 1658 | } |
| 1659 | |
| 1660 | template <class Machine> |
| 1661 | void AssemblerX86Base<Machine>::pextr(Type Ty, typename Traits::GPRRegister dst, |
| 1662 | typename Traits::XmmRegister src, |
| 1663 | const Immediate &imm) { |
| 1664 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1665 | assert(imm.is_uint8()); |
| 1666 | if (Ty == IceType_i16) { |
| 1667 | emitUint8(0x66); |
| 1668 | emitUint8(0x0F); |
| 1669 | emitUint8(0xC5); |
| 1670 | emitXmmRegisterOperand(typename Traits::XmmRegister(dst), src); |
| 1671 | emitUint8(imm.value()); |
| 1672 | } else { |
| 1673 | emitUint8(0x66); |
| 1674 | emitUint8(0x0F); |
| 1675 | emitUint8(0x3A); |
| 1676 | emitUint8(isByteSizedType(Ty) ? 0x14 : 0x16); |
| 1677 | // SSE 4.1 versions are "MRI" because dst can be mem, while |
| 1678 | // pextrw (SSE2) is RMI because dst must be reg. |
| 1679 | emitXmmRegisterOperand(src, typename Traits::XmmRegister(dst)); |
| 1680 | emitUint8(imm.value()); |
| 1681 | } |
| 1682 | } |
| 1683 | |
| 1684 | template <class Machine> |
| 1685 | void AssemblerX86Base<Machine>::pmovsxdq(typename Traits::XmmRegister dst, |
| 1686 | typename Traits::XmmRegister src) { |
| 1687 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1688 | emitUint8(0x66); |
| 1689 | emitUint8(0x0F); |
| 1690 | emitUint8(0x38); |
| 1691 | emitUint8(0x25); |
| 1692 | emitXmmRegisterOperand(dst, src); |
| 1693 | } |
| 1694 | |
| 1695 | template <class Machine> |
| 1696 | void AssemblerX86Base<Machine>::pcmpeq(Type Ty, |
| 1697 | typename Traits::XmmRegister dst, |
| 1698 | typename Traits::XmmRegister src) { |
| 1699 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1700 | emitUint8(0x66); |
| 1701 | emitUint8(0x0F); |
| 1702 | if (isByteSizedArithType(Ty)) { |
| 1703 | emitUint8(0x74); |
| 1704 | } else if (Ty == IceType_i16) { |
| 1705 | emitUint8(0x75); |
| 1706 | } else { |
| 1707 | emitUint8(0x76); |
| 1708 | } |
| 1709 | emitXmmRegisterOperand(dst, src); |
| 1710 | } |
| 1711 | |
| 1712 | template <class Machine> |
| 1713 | void AssemblerX86Base<Machine>::pcmpeq(Type Ty, |
| 1714 | typename Traits::XmmRegister dst, |
| 1715 | const typename Traits::Address &src) { |
| 1716 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1717 | emitUint8(0x66); |
| 1718 | emitUint8(0x0F); |
| 1719 | if (isByteSizedArithType(Ty)) { |
| 1720 | emitUint8(0x74); |
| 1721 | } else if (Ty == IceType_i16) { |
| 1722 | emitUint8(0x75); |
| 1723 | } else { |
| 1724 | emitUint8(0x76); |
| 1725 | } |
| 1726 | emitOperand(dst, src); |
| 1727 | } |
| 1728 | |
| 1729 | template <class Machine> |
| 1730 | void AssemblerX86Base<Machine>::pcmpgt(Type Ty, |
| 1731 | typename Traits::XmmRegister dst, |
| 1732 | typename Traits::XmmRegister src) { |
| 1733 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1734 | emitUint8(0x66); |
| 1735 | emitUint8(0x0F); |
| 1736 | if (isByteSizedArithType(Ty)) { |
| 1737 | emitUint8(0x64); |
| 1738 | } else if (Ty == IceType_i16) { |
| 1739 | emitUint8(0x65); |
| 1740 | } else { |
| 1741 | emitUint8(0x66); |
| 1742 | } |
| 1743 | emitXmmRegisterOperand(dst, src); |
| 1744 | } |
| 1745 | |
| 1746 | template <class Machine> |
| 1747 | void AssemblerX86Base<Machine>::pcmpgt(Type Ty, |
| 1748 | typename Traits::XmmRegister dst, |
| 1749 | const typename Traits::Address &src) { |
| 1750 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1751 | emitUint8(0x66); |
| 1752 | emitUint8(0x0F); |
| 1753 | if (isByteSizedArithType(Ty)) { |
| 1754 | emitUint8(0x64); |
| 1755 | } else if (Ty == IceType_i16) { |
| 1756 | emitUint8(0x65); |
| 1757 | } else { |
| 1758 | emitUint8(0x66); |
| 1759 | } |
| 1760 | emitOperand(dst, src); |
| 1761 | } |
| 1762 | |
| 1763 | template <class Machine> |
| 1764 | void AssemblerX86Base<Machine>::roundsd(typename Traits::XmmRegister dst, |
| 1765 | typename Traits::XmmRegister src, |
| 1766 | RoundingMode mode) { |
| 1767 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1768 | emitUint8(0x66); |
| 1769 | emitUint8(0x0F); |
| 1770 | emitUint8(0x3A); |
| 1771 | emitUint8(0x0B); |
| 1772 | emitXmmRegisterOperand(dst, src); |
| 1773 | // Mask precision exeption. |
| 1774 | emitUint8(static_cast<uint8_t>(mode) | 0x8); |
| 1775 | } |
| 1776 | |
| 1777 | template <class Machine> |
| 1778 | void AssemblerX86Base<Machine>::fnstcw(const typename Traits::Address &dst) { |
| 1779 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1780 | emitUint8(0xD9); |
| 1781 | emitOperand(7, dst); |
| 1782 | } |
| 1783 | |
| 1784 | template <class Machine> |
| 1785 | void AssemblerX86Base<Machine>::fldcw(const typename Traits::Address &src) { |
| 1786 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1787 | emitUint8(0xD9); |
| 1788 | emitOperand(5, src); |
| 1789 | } |
| 1790 | |
| 1791 | template <class Machine> |
| 1792 | void AssemblerX86Base<Machine>::fistpl(const typename Traits::Address &dst) { |
| 1793 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1794 | emitUint8(0xDF); |
| 1795 | emitOperand(7, dst); |
| 1796 | } |
| 1797 | |
| 1798 | template <class Machine> |
| 1799 | void AssemblerX86Base<Machine>::fistps(const typename Traits::Address &dst) { |
| 1800 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1801 | emitUint8(0xDB); |
| 1802 | emitOperand(3, dst); |
| 1803 | } |
| 1804 | |
| 1805 | template <class Machine> |
| 1806 | void AssemblerX86Base<Machine>::fildl(const typename Traits::Address &src) { |
| 1807 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1808 | emitUint8(0xDF); |
| 1809 | emitOperand(5, src); |
| 1810 | } |
| 1811 | |
| 1812 | template <class Machine> |
| 1813 | void AssemblerX86Base<Machine>::filds(const typename Traits::Address &src) { |
| 1814 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1815 | emitUint8(0xDB); |
| 1816 | emitOperand(0, src); |
| 1817 | } |
| 1818 | |
| 1819 | template <class Machine> void AssemblerX86Base<Machine>::fincstp() { |
| 1820 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1821 | emitUint8(0xD9); |
| 1822 | emitUint8(0xF7); |
| 1823 | } |
| 1824 | |
| 1825 | template <class Machine> |
| 1826 | template <uint32_t Tag> |
| 1827 | void AssemblerX86Base<Machine>::arith_int(Type Ty, |
| 1828 | typename Traits::GPRRegister reg, |
| 1829 | const Immediate &imm) { |
| 1830 | static_assert(Tag < 8, "Tag must be between 0..7"); |
| 1831 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1832 | if (isByteSizedType(Ty)) { |
| 1833 | emitComplexI8(Tag, typename Traits::Operand(reg), imm); |
| 1834 | return; |
| 1835 | } |
| 1836 | if (Ty == IceType_i16) |
| 1837 | emitOperandSizeOverride(); |
| 1838 | emitComplex(Ty, Tag, typename Traits::Operand(reg), imm); |
| 1839 | } |
| 1840 | |
| 1841 | template <class Machine> |
| 1842 | template <uint32_t Tag> |
| 1843 | void AssemblerX86Base<Machine>::arith_int(Type Ty, |
| 1844 | typename Traits::GPRRegister reg0, |
| 1845 | typename Traits::GPRRegister reg1) { |
| 1846 | static_assert(Tag < 8, "Tag must be between 0..7"); |
| 1847 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1848 | if (Ty == IceType_i16) |
| 1849 | emitOperandSizeOverride(); |
| 1850 | if (isByteSizedType(Ty)) |
| 1851 | emitUint8(Tag * 8 + 2); |
| 1852 | else |
| 1853 | emitUint8(Tag * 8 + 3); |
| 1854 | emitRegisterOperand(reg0, reg1); |
| 1855 | } |
| 1856 | |
| 1857 | template <class Machine> |
| 1858 | template <uint32_t Tag> |
| 1859 | void AssemblerX86Base<Machine>::arith_int( |
| 1860 | Type Ty, typename Traits::GPRRegister reg, |
| 1861 | const typename Traits::Address &address) { |
| 1862 | static_assert(Tag < 8, "Tag must be between 0..7"); |
| 1863 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1864 | if (Ty == IceType_i16) |
| 1865 | emitOperandSizeOverride(); |
| 1866 | if (isByteSizedType(Ty)) |
| 1867 | emitUint8(Tag * 8 + 2); |
| 1868 | else |
| 1869 | emitUint8(Tag * 8 + 3); |
| 1870 | emitOperand(reg, address); |
| 1871 | } |
| 1872 | |
| 1873 | template <class Machine> |
| 1874 | template <uint32_t Tag> |
| 1875 | void AssemblerX86Base<Machine>::arith_int( |
| 1876 | Type Ty, const typename Traits::Address &address, |
| 1877 | typename Traits::GPRRegister reg) { |
| 1878 | static_assert(Tag < 8, "Tag must be between 0..7"); |
| 1879 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1880 | if (Ty == IceType_i16) |
| 1881 | emitOperandSizeOverride(); |
| 1882 | if (isByteSizedType(Ty)) |
| 1883 | emitUint8(Tag * 8 + 0); |
| 1884 | else |
| 1885 | emitUint8(Tag * 8 + 1); |
| 1886 | emitOperand(reg, address); |
| 1887 | } |
| 1888 | |
| 1889 | template <class Machine> |
| 1890 | template <uint32_t Tag> |
| 1891 | void AssemblerX86Base<Machine>::arith_int( |
| 1892 | Type Ty, const typename Traits::Address &address, const Immediate &imm) { |
| 1893 | static_assert(Tag < 8, "Tag must be between 0..7"); |
| 1894 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1895 | if (isByteSizedType(Ty)) { |
| 1896 | emitComplexI8(Tag, address, imm); |
| 1897 | return; |
| 1898 | } |
| 1899 | if (Ty == IceType_i16) |
| 1900 | emitOperandSizeOverride(); |
| 1901 | emitComplex(Ty, Tag, address, imm); |
| 1902 | } |
| 1903 | |
| 1904 | template <class Machine> |
| 1905 | void AssemblerX86Base<Machine>::cmp(Type Ty, typename Traits::GPRRegister reg, |
| 1906 | const Immediate &imm) { |
| 1907 | arith_int<7>(Ty, reg, imm); |
| 1908 | } |
| 1909 | |
| 1910 | template <class Machine> |
| 1911 | void AssemblerX86Base<Machine>::cmp(Type Ty, typename Traits::GPRRegister reg0, |
| 1912 | typename Traits::GPRRegister reg1) { |
| 1913 | arith_int<7>(Ty, reg0, reg1); |
| 1914 | } |
| 1915 | |
| 1916 | template <class Machine> |
| 1917 | void AssemblerX86Base<Machine>::cmp(Type Ty, typename Traits::GPRRegister reg, |
| 1918 | const typename Traits::Address &address) { |
| 1919 | arith_int<7>(Ty, reg, address); |
| 1920 | } |
| 1921 | |
| 1922 | template <class Machine> |
| 1923 | void AssemblerX86Base<Machine>::cmp(Type Ty, |
| 1924 | const typename Traits::Address &address, |
| 1925 | typename Traits::GPRRegister reg) { |
| 1926 | arith_int<7>(Ty, address, reg); |
| 1927 | } |
| 1928 | |
| 1929 | template <class Machine> |
| 1930 | void AssemblerX86Base<Machine>::cmp(Type Ty, |
| 1931 | const typename Traits::Address &address, |
| 1932 | const Immediate &imm) { |
| 1933 | arith_int<7>(Ty, address, imm); |
| 1934 | } |
| 1935 | |
| 1936 | template <class Machine> |
| 1937 | void AssemblerX86Base<Machine>::test(Type Ty, typename Traits::GPRRegister reg1, |
| 1938 | typename Traits::GPRRegister reg2) { |
| 1939 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1940 | if (Ty == IceType_i16) |
| 1941 | emitOperandSizeOverride(); |
| 1942 | if (isByteSizedType(Ty)) |
| 1943 | emitUint8(0x84); |
| 1944 | else |
| 1945 | emitUint8(0x85); |
| 1946 | emitRegisterOperand(reg1, reg2); |
| 1947 | } |
| 1948 | |
| 1949 | template <class Machine> |
| 1950 | void AssemblerX86Base<Machine>::test(Type Ty, |
| 1951 | const typename Traits::Address &addr, |
| 1952 | typename Traits::GPRRegister reg) { |
| 1953 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1954 | if (Ty == IceType_i16) |
| 1955 | emitOperandSizeOverride(); |
| 1956 | if (isByteSizedType(Ty)) |
| 1957 | emitUint8(0x84); |
| 1958 | else |
| 1959 | emitUint8(0x85); |
| 1960 | emitOperand(reg, addr); |
| 1961 | } |
| 1962 | |
| 1963 | template <class Machine> |
| 1964 | void AssemblerX86Base<Machine>::test(Type Ty, typename Traits::GPRRegister reg, |
| 1965 | const Immediate &immediate) { |
| 1966 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 1967 | // For registers that have a byte variant (EAX, EBX, ECX, and EDX) |
| 1968 | // we only test the byte register to keep the encoding short. |
| 1969 | // This is legal even if the register had high bits set since |
| 1970 | // this only sets flags registers based on the "AND" of the two operands, |
| 1971 | // and the immediate had zeros at those high bits. |
| 1972 | if (immediate.is_uint8() && reg < 4) { |
| 1973 | // Use zero-extended 8-bit immediate. |
| 1974 | if (reg == Traits::Encoded_Reg_Accumulator) { |
| 1975 | emitUint8(0xA8); |
| 1976 | } else { |
| 1977 | emitUint8(0xF6); |
| 1978 | emitUint8(0xC0 + reg); |
| 1979 | } |
| 1980 | emitUint8(immediate.value() & 0xFF); |
| 1981 | } else if (reg == Traits::Encoded_Reg_Accumulator) { |
| 1982 | // Use short form if the destination is EAX. |
| 1983 | if (Ty == IceType_i16) |
| 1984 | emitOperandSizeOverride(); |
| 1985 | emitUint8(0xA9); |
| 1986 | emitImmediate(Ty, immediate); |
| 1987 | } else { |
| 1988 | if (Ty == IceType_i16) |
| 1989 | emitOperandSizeOverride(); |
| 1990 | emitUint8(0xF7); |
| 1991 | emitRegisterOperand(0, reg); |
| 1992 | emitImmediate(Ty, immediate); |
| 1993 | } |
| 1994 | } |
| 1995 | |
| 1996 | template <class Machine> |
| 1997 | void AssemblerX86Base<Machine>::test(Type Ty, |
| 1998 | const typename Traits::Address &addr, |
| 1999 | const Immediate &immediate) { |
| 2000 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2001 | // If the immediate is short, we only test the byte addr to keep the |
| 2002 | // encoding short. |
| 2003 | if (immediate.is_uint8()) { |
| 2004 | // Use zero-extended 8-bit immediate. |
| 2005 | emitUint8(0xF6); |
| 2006 | emitOperand(0, addr); |
| 2007 | emitUint8(immediate.value() & 0xFF); |
| 2008 | } else { |
| 2009 | if (Ty == IceType_i16) |
| 2010 | emitOperandSizeOverride(); |
| 2011 | emitUint8(0xF7); |
| 2012 | emitOperand(0, addr); |
| 2013 | emitImmediate(Ty, immediate); |
| 2014 | } |
| 2015 | } |
| 2016 | |
| 2017 | template <class Machine> |
| 2018 | void AssemblerX86Base<Machine>::And(Type Ty, typename Traits::GPRRegister dst, |
| 2019 | typename Traits::GPRRegister src) { |
| 2020 | arith_int<4>(Ty, dst, src); |
| 2021 | } |
| 2022 | |
| 2023 | template <class Machine> |
| 2024 | void AssemblerX86Base<Machine>::And(Type Ty, typename Traits::GPRRegister dst, |
| 2025 | const typename Traits::Address &address) { |
| 2026 | arith_int<4>(Ty, dst, address); |
| 2027 | } |
| 2028 | |
| 2029 | template <class Machine> |
| 2030 | void AssemblerX86Base<Machine>::And(Type Ty, typename Traits::GPRRegister dst, |
| 2031 | const Immediate &imm) { |
| 2032 | arith_int<4>(Ty, dst, imm); |
| 2033 | } |
| 2034 | |
| 2035 | template <class Machine> |
| 2036 | void AssemblerX86Base<Machine>::And(Type Ty, |
| 2037 | const typename Traits::Address &address, |
| 2038 | typename Traits::GPRRegister reg) { |
| 2039 | arith_int<4>(Ty, address, reg); |
| 2040 | } |
| 2041 | |
| 2042 | template <class Machine> |
| 2043 | void AssemblerX86Base<Machine>::And(Type Ty, |
| 2044 | const typename Traits::Address &address, |
| 2045 | const Immediate &imm) { |
| 2046 | arith_int<4>(Ty, address, imm); |
| 2047 | } |
| 2048 | |
| 2049 | template <class Machine> |
| 2050 | void AssemblerX86Base<Machine>::Or(Type Ty, typename Traits::GPRRegister dst, |
| 2051 | typename Traits::GPRRegister src) { |
| 2052 | arith_int<1>(Ty, dst, src); |
| 2053 | } |
| 2054 | |
| 2055 | template <class Machine> |
| 2056 | void AssemblerX86Base<Machine>::Or(Type Ty, typename Traits::GPRRegister dst, |
| 2057 | const typename Traits::Address &address) { |
| 2058 | arith_int<1>(Ty, dst, address); |
| 2059 | } |
| 2060 | |
| 2061 | template <class Machine> |
| 2062 | void AssemblerX86Base<Machine>::Or(Type Ty, typename Traits::GPRRegister dst, |
| 2063 | const Immediate &imm) { |
| 2064 | arith_int<1>(Ty, dst, imm); |
| 2065 | } |
| 2066 | |
| 2067 | template <class Machine> |
| 2068 | void AssemblerX86Base<Machine>::Or(Type Ty, |
| 2069 | const typename Traits::Address &address, |
| 2070 | typename Traits::GPRRegister reg) { |
| 2071 | arith_int<1>(Ty, address, reg); |
| 2072 | } |
| 2073 | |
| 2074 | template <class Machine> |
| 2075 | void AssemblerX86Base<Machine>::Or(Type Ty, |
| 2076 | const typename Traits::Address &address, |
| 2077 | const Immediate &imm) { |
| 2078 | arith_int<1>(Ty, address, imm); |
| 2079 | } |
| 2080 | |
| 2081 | template <class Machine> |
| 2082 | void AssemblerX86Base<Machine>::Xor(Type Ty, typename Traits::GPRRegister dst, |
| 2083 | typename Traits::GPRRegister src) { |
| 2084 | arith_int<6>(Ty, dst, src); |
| 2085 | } |
| 2086 | |
| 2087 | template <class Machine> |
| 2088 | void AssemblerX86Base<Machine>::Xor(Type Ty, typename Traits::GPRRegister dst, |
| 2089 | const typename Traits::Address &address) { |
| 2090 | arith_int<6>(Ty, dst, address); |
| 2091 | } |
| 2092 | |
| 2093 | template <class Machine> |
| 2094 | void AssemblerX86Base<Machine>::Xor(Type Ty, typename Traits::GPRRegister dst, |
| 2095 | const Immediate &imm) { |
| 2096 | arith_int<6>(Ty, dst, imm); |
| 2097 | } |
| 2098 | |
| 2099 | template <class Machine> |
| 2100 | void AssemblerX86Base<Machine>::Xor(Type Ty, |
| 2101 | const typename Traits::Address &address, |
| 2102 | typename Traits::GPRRegister reg) { |
| 2103 | arith_int<6>(Ty, address, reg); |
| 2104 | } |
| 2105 | |
| 2106 | template <class Machine> |
| 2107 | void AssemblerX86Base<Machine>::Xor(Type Ty, |
| 2108 | const typename Traits::Address &address, |
| 2109 | const Immediate &imm) { |
| 2110 | arith_int<6>(Ty, address, imm); |
| 2111 | } |
| 2112 | |
| 2113 | template <class Machine> |
| 2114 | void AssemblerX86Base<Machine>::add(Type Ty, typename Traits::GPRRegister dst, |
| 2115 | typename Traits::GPRRegister src) { |
| 2116 | arith_int<0>(Ty, dst, src); |
| 2117 | } |
| 2118 | |
| 2119 | template <class Machine> |
| 2120 | void AssemblerX86Base<Machine>::add(Type Ty, typename Traits::GPRRegister reg, |
| 2121 | const typename Traits::Address &address) { |
| 2122 | arith_int<0>(Ty, reg, address); |
| 2123 | } |
| 2124 | |
| 2125 | template <class Machine> |
| 2126 | void AssemblerX86Base<Machine>::add(Type Ty, typename Traits::GPRRegister reg, |
| 2127 | const Immediate &imm) { |
| 2128 | arith_int<0>(Ty, reg, imm); |
| 2129 | } |
| 2130 | |
| 2131 | template <class Machine> |
| 2132 | void AssemblerX86Base<Machine>::add(Type Ty, |
| 2133 | const typename Traits::Address &address, |
| 2134 | typename Traits::GPRRegister reg) { |
| 2135 | arith_int<0>(Ty, address, reg); |
| 2136 | } |
| 2137 | |
| 2138 | template <class Machine> |
| 2139 | void AssemblerX86Base<Machine>::add(Type Ty, |
| 2140 | const typename Traits::Address &address, |
| 2141 | const Immediate &imm) { |
| 2142 | arith_int<0>(Ty, address, imm); |
| 2143 | } |
| 2144 | |
| 2145 | template <class Machine> |
| 2146 | void AssemblerX86Base<Machine>::adc(Type Ty, typename Traits::GPRRegister dst, |
| 2147 | typename Traits::GPRRegister src) { |
| 2148 | arith_int<2>(Ty, dst, src); |
| 2149 | } |
| 2150 | |
| 2151 | template <class Machine> |
| 2152 | void AssemblerX86Base<Machine>::adc(Type Ty, typename Traits::GPRRegister dst, |
| 2153 | const typename Traits::Address &address) { |
| 2154 | arith_int<2>(Ty, dst, address); |
| 2155 | } |
| 2156 | |
| 2157 | template <class Machine> |
| 2158 | void AssemblerX86Base<Machine>::adc(Type Ty, typename Traits::GPRRegister reg, |
| 2159 | const Immediate &imm) { |
| 2160 | arith_int<2>(Ty, reg, imm); |
| 2161 | } |
| 2162 | |
| 2163 | template <class Machine> |
| 2164 | void AssemblerX86Base<Machine>::adc(Type Ty, |
| 2165 | const typename Traits::Address &address, |
| 2166 | typename Traits::GPRRegister reg) { |
| 2167 | arith_int<2>(Ty, address, reg); |
| 2168 | } |
| 2169 | |
| 2170 | template <class Machine> |
| 2171 | void AssemblerX86Base<Machine>::adc(Type Ty, |
| 2172 | const typename Traits::Address &address, |
| 2173 | const Immediate &imm) { |
| 2174 | arith_int<2>(Ty, address, imm); |
| 2175 | } |
| 2176 | |
| 2177 | template <class Machine> |
| 2178 | void AssemblerX86Base<Machine>::sub(Type Ty, typename Traits::GPRRegister dst, |
| 2179 | typename Traits::GPRRegister src) { |
| 2180 | arith_int<5>(Ty, dst, src); |
| 2181 | } |
| 2182 | |
| 2183 | template <class Machine> |
| 2184 | void AssemblerX86Base<Machine>::sub(Type Ty, typename Traits::GPRRegister reg, |
| 2185 | const typename Traits::Address &address) { |
| 2186 | arith_int<5>(Ty, reg, address); |
| 2187 | } |
| 2188 | |
| 2189 | template <class Machine> |
| 2190 | void AssemblerX86Base<Machine>::sub(Type Ty, typename Traits::GPRRegister reg, |
| 2191 | const Immediate &imm) { |
| 2192 | arith_int<5>(Ty, reg, imm); |
| 2193 | } |
| 2194 | |
| 2195 | template <class Machine> |
| 2196 | void AssemblerX86Base<Machine>::sub(Type Ty, |
| 2197 | const typename Traits::Address &address, |
| 2198 | typename Traits::GPRRegister reg) { |
| 2199 | arith_int<5>(Ty, address, reg); |
| 2200 | } |
| 2201 | |
| 2202 | template <class Machine> |
| 2203 | void AssemblerX86Base<Machine>::sub(Type Ty, |
| 2204 | const typename Traits::Address &address, |
| 2205 | const Immediate &imm) { |
| 2206 | arith_int<5>(Ty, address, imm); |
| 2207 | } |
| 2208 | |
| 2209 | template <class Machine> |
| 2210 | void AssemblerX86Base<Machine>::sbb(Type Ty, typename Traits::GPRRegister dst, |
| 2211 | typename Traits::GPRRegister src) { |
| 2212 | arith_int<3>(Ty, dst, src); |
| 2213 | } |
| 2214 | |
| 2215 | template <class Machine> |
| 2216 | void AssemblerX86Base<Machine>::sbb(Type Ty, typename Traits::GPRRegister dst, |
| 2217 | const typename Traits::Address &address) { |
| 2218 | arith_int<3>(Ty, dst, address); |
| 2219 | } |
| 2220 | |
| 2221 | template <class Machine> |
| 2222 | void AssemblerX86Base<Machine>::sbb(Type Ty, typename Traits::GPRRegister reg, |
| 2223 | const Immediate &imm) { |
| 2224 | arith_int<3>(Ty, reg, imm); |
| 2225 | } |
| 2226 | |
| 2227 | template <class Machine> |
| 2228 | void AssemblerX86Base<Machine>::sbb(Type Ty, |
| 2229 | const typename Traits::Address &address, |
| 2230 | typename Traits::GPRRegister reg) { |
| 2231 | arith_int<3>(Ty, address, reg); |
| 2232 | } |
| 2233 | |
| 2234 | template <class Machine> |
| 2235 | void AssemblerX86Base<Machine>::sbb(Type Ty, |
| 2236 | const typename Traits::Address &address, |
| 2237 | const Immediate &imm) { |
| 2238 | arith_int<3>(Ty, address, imm); |
| 2239 | } |
| 2240 | |
| 2241 | template <class Machine> void AssemblerX86Base<Machine>::cbw() { |
| 2242 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2243 | emitOperandSizeOverride(); |
| 2244 | emitUint8(0x98); |
| 2245 | } |
| 2246 | |
| 2247 | template <class Machine> void AssemblerX86Base<Machine>::cwd() { |
| 2248 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2249 | emitOperandSizeOverride(); |
| 2250 | emitUint8(0x99); |
| 2251 | } |
| 2252 | |
| 2253 | template <class Machine> void AssemblerX86Base<Machine>::cdq() { |
| 2254 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2255 | emitUint8(0x99); |
| 2256 | } |
| 2257 | |
| 2258 | template <class Machine> |
| 2259 | void AssemblerX86Base<Machine>::div(Type Ty, typename Traits::GPRRegister reg) { |
| 2260 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2261 | if (Ty == IceType_i16) |
| 2262 | emitOperandSizeOverride(); |
| 2263 | if (isByteSizedArithType(Ty)) |
| 2264 | emitUint8(0xF6); |
| 2265 | else |
| 2266 | emitUint8(0xF7); |
| 2267 | emitRegisterOperand(6, reg); |
| 2268 | } |
| 2269 | |
| 2270 | template <class Machine> |
| 2271 | void AssemblerX86Base<Machine>::div(Type Ty, |
| 2272 | const typename Traits::Address &addr) { |
| 2273 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2274 | if (Ty == IceType_i16) |
| 2275 | emitOperandSizeOverride(); |
| 2276 | if (isByteSizedArithType(Ty)) |
| 2277 | emitUint8(0xF6); |
| 2278 | else |
| 2279 | emitUint8(0xF7); |
| 2280 | emitOperand(6, addr); |
| 2281 | } |
| 2282 | |
| 2283 | template <class Machine> |
| 2284 | void AssemblerX86Base<Machine>::idiv(Type Ty, |
| 2285 | typename Traits::GPRRegister reg) { |
| 2286 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2287 | if (Ty == IceType_i16) |
| 2288 | emitOperandSizeOverride(); |
| 2289 | if (isByteSizedArithType(Ty)) |
| 2290 | emitUint8(0xF6); |
| 2291 | else |
| 2292 | emitUint8(0xF7); |
| 2293 | emitRegisterOperand(7, reg); |
| 2294 | } |
| 2295 | |
| 2296 | template <class Machine> |
| 2297 | void AssemblerX86Base<Machine>::idiv(Type Ty, |
| 2298 | const typename Traits::Address &addr) { |
| 2299 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2300 | if (Ty == IceType_i16) |
| 2301 | emitOperandSizeOverride(); |
| 2302 | if (isByteSizedArithType(Ty)) |
| 2303 | emitUint8(0xF6); |
| 2304 | else |
| 2305 | emitUint8(0xF7); |
| 2306 | emitOperand(7, addr); |
| 2307 | } |
| 2308 | |
| 2309 | template <class Machine> |
| 2310 | void AssemblerX86Base<Machine>::imul(Type Ty, typename Traits::GPRRegister dst, |
| 2311 | typename Traits::GPRRegister src) { |
| 2312 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2313 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2314 | if (Ty == IceType_i16) |
| 2315 | emitOperandSizeOverride(); |
| 2316 | emitUint8(0x0F); |
| 2317 | emitUint8(0xAF); |
| 2318 | emitRegisterOperand(dst, src); |
| 2319 | } |
| 2320 | |
| 2321 | template <class Machine> |
| 2322 | void AssemblerX86Base<Machine>::imul(Type Ty, typename Traits::GPRRegister reg, |
| 2323 | const typename Traits::Address &address) { |
| 2324 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2325 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2326 | if (Ty == IceType_i16) |
| 2327 | emitOperandSizeOverride(); |
| 2328 | emitUint8(0x0F); |
| 2329 | emitUint8(0xAF); |
| 2330 | emitOperand(reg, address); |
| 2331 | } |
| 2332 | |
| 2333 | template <class Machine> |
| 2334 | void AssemblerX86Base<Machine>::imul(Type Ty, typename Traits::GPRRegister reg, |
| 2335 | const Immediate &imm) { |
| 2336 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2337 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2338 | if (Ty == IceType_i16) |
| 2339 | emitOperandSizeOverride(); |
| 2340 | if (imm.is_int8()) { |
| 2341 | emitUint8(0x6B); |
| 2342 | emitRegisterOperand(reg, reg); |
| 2343 | emitUint8(imm.value() & 0xFF); |
| 2344 | } else { |
| 2345 | emitUint8(0x69); |
| 2346 | emitRegisterOperand(reg, reg); |
| 2347 | emitImmediate(Ty, imm); |
| 2348 | } |
| 2349 | } |
| 2350 | |
| 2351 | template <class Machine> |
| 2352 | void AssemblerX86Base<Machine>::imul(Type Ty, |
| 2353 | typename Traits::GPRRegister reg) { |
| 2354 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2355 | if (Ty == IceType_i16) |
| 2356 | emitOperandSizeOverride(); |
| 2357 | if (isByteSizedArithType(Ty)) |
| 2358 | emitUint8(0xF6); |
| 2359 | else |
| 2360 | emitUint8(0xF7); |
| 2361 | emitRegisterOperand(5, reg); |
| 2362 | } |
| 2363 | |
| 2364 | template <class Machine> |
| 2365 | void AssemblerX86Base<Machine>::imul(Type Ty, |
| 2366 | const typename Traits::Address &address) { |
| 2367 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2368 | if (Ty == IceType_i16) |
| 2369 | emitOperandSizeOverride(); |
| 2370 | if (isByteSizedArithType(Ty)) |
| 2371 | emitUint8(0xF6); |
| 2372 | else |
| 2373 | emitUint8(0xF7); |
| 2374 | emitOperand(5, address); |
| 2375 | } |
| 2376 | |
| 2377 | template <class Machine> |
| 2378 | void AssemblerX86Base<Machine>::mul(Type Ty, typename Traits::GPRRegister reg) { |
| 2379 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2380 | if (Ty == IceType_i16) |
| 2381 | emitOperandSizeOverride(); |
| 2382 | if (isByteSizedArithType(Ty)) |
| 2383 | emitUint8(0xF6); |
| 2384 | else |
| 2385 | emitUint8(0xF7); |
| 2386 | emitRegisterOperand(4, reg); |
| 2387 | } |
| 2388 | |
| 2389 | template <class Machine> |
| 2390 | void AssemblerX86Base<Machine>::mul(Type Ty, |
| 2391 | const typename Traits::Address &address) { |
| 2392 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2393 | if (Ty == IceType_i16) |
| 2394 | emitOperandSizeOverride(); |
| 2395 | if (isByteSizedArithType(Ty)) |
| 2396 | emitUint8(0xF6); |
| 2397 | else |
| 2398 | emitUint8(0xF7); |
| 2399 | emitOperand(4, address); |
| 2400 | } |
| 2401 | |
| 2402 | template <class Machine> |
| 2403 | void AssemblerX86Base<Machine>::incl(typename Traits::GPRRegister reg) { |
| 2404 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2405 | emitUint8(0x40 + reg); |
| 2406 | } |
| 2407 | |
| 2408 | template <class Machine> |
| 2409 | void AssemblerX86Base<Machine>::incl(const typename Traits::Address &address) { |
| 2410 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2411 | emitUint8(0xFF); |
| 2412 | emitOperand(0, address); |
| 2413 | } |
| 2414 | |
| 2415 | template <class Machine> |
| 2416 | void AssemblerX86Base<Machine>::decl(typename Traits::GPRRegister reg) { |
| 2417 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2418 | emitUint8(0x48 + reg); |
| 2419 | } |
| 2420 | |
| 2421 | template <class Machine> |
| 2422 | void AssemblerX86Base<Machine>::decl(const typename Traits::Address &address) { |
| 2423 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2424 | emitUint8(0xFF); |
| 2425 | emitOperand(1, address); |
| 2426 | } |
| 2427 | |
| 2428 | template <class Machine> |
| 2429 | void AssemblerX86Base<Machine>::rol(Type Ty, typename Traits::GPRRegister reg, |
| 2430 | const Immediate &imm) { |
| 2431 | emitGenericShift(0, Ty, reg, imm); |
| 2432 | } |
| 2433 | |
| 2434 | template <class Machine> |
| 2435 | void AssemblerX86Base<Machine>::rol(Type Ty, |
| 2436 | typename Traits::GPRRegister operand, |
| 2437 | typename Traits::GPRRegister shifter) { |
| 2438 | emitGenericShift(0, Ty, typename Traits::Operand(operand), shifter); |
| 2439 | } |
| 2440 | |
| 2441 | template <class Machine> |
| 2442 | void AssemblerX86Base<Machine>::rol(Type Ty, |
| 2443 | const typename Traits::Address &operand, |
| 2444 | typename Traits::GPRRegister shifter) { |
| 2445 | emitGenericShift(0, Ty, operand, shifter); |
| 2446 | } |
| 2447 | |
| 2448 | template <class Machine> |
| 2449 | void AssemblerX86Base<Machine>::shl(Type Ty, typename Traits::GPRRegister reg, |
| 2450 | const Immediate &imm) { |
| 2451 | emitGenericShift(4, Ty, reg, imm); |
| 2452 | } |
| 2453 | |
| 2454 | template <class Machine> |
| 2455 | void AssemblerX86Base<Machine>::shl(Type Ty, |
| 2456 | typename Traits::GPRRegister operand, |
| 2457 | typename Traits::GPRRegister shifter) { |
| 2458 | emitGenericShift(4, Ty, typename Traits::Operand(operand), shifter); |
| 2459 | } |
| 2460 | |
| 2461 | template <class Machine> |
| 2462 | void AssemblerX86Base<Machine>::shl(Type Ty, |
| 2463 | const typename Traits::Address &operand, |
| 2464 | typename Traits::GPRRegister shifter) { |
| 2465 | emitGenericShift(4, Ty, operand, shifter); |
| 2466 | } |
| 2467 | |
| 2468 | template <class Machine> |
| 2469 | void AssemblerX86Base<Machine>::shr(Type Ty, typename Traits::GPRRegister reg, |
| 2470 | const Immediate &imm) { |
| 2471 | emitGenericShift(5, Ty, reg, imm); |
| 2472 | } |
| 2473 | |
| 2474 | template <class Machine> |
| 2475 | void AssemblerX86Base<Machine>::shr(Type Ty, |
| 2476 | typename Traits::GPRRegister operand, |
| 2477 | typename Traits::GPRRegister shifter) { |
| 2478 | emitGenericShift(5, Ty, typename Traits::Operand(operand), shifter); |
| 2479 | } |
| 2480 | |
| 2481 | template <class Machine> |
| 2482 | void AssemblerX86Base<Machine>::shr(Type Ty, |
| 2483 | const typename Traits::Address &operand, |
| 2484 | typename Traits::GPRRegister shifter) { |
| 2485 | emitGenericShift(5, Ty, operand, shifter); |
| 2486 | } |
| 2487 | |
| 2488 | template <class Machine> |
| 2489 | void AssemblerX86Base<Machine>::sar(Type Ty, typename Traits::GPRRegister reg, |
| 2490 | const Immediate &imm) { |
| 2491 | emitGenericShift(7, Ty, reg, imm); |
| 2492 | } |
| 2493 | |
| 2494 | template <class Machine> |
| 2495 | void AssemblerX86Base<Machine>::sar(Type Ty, |
| 2496 | typename Traits::GPRRegister operand, |
| 2497 | typename Traits::GPRRegister shifter) { |
| 2498 | emitGenericShift(7, Ty, typename Traits::Operand(operand), shifter); |
| 2499 | } |
| 2500 | |
| 2501 | template <class Machine> |
| 2502 | void AssemblerX86Base<Machine>::sar(Type Ty, |
| 2503 | const typename Traits::Address &address, |
| 2504 | typename Traits::GPRRegister shifter) { |
| 2505 | emitGenericShift(7, Ty, address, shifter); |
| 2506 | } |
| 2507 | |
| 2508 | template <class Machine> |
| 2509 | void AssemblerX86Base<Machine>::shld(Type Ty, typename Traits::GPRRegister dst, |
| 2510 | typename Traits::GPRRegister src) { |
| 2511 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2512 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2513 | if (Ty == IceType_i16) |
| 2514 | emitOperandSizeOverride(); |
| 2515 | emitUint8(0x0F); |
| 2516 | emitUint8(0xA5); |
| 2517 | emitRegisterOperand(src, dst); |
| 2518 | } |
| 2519 | |
| 2520 | template <class Machine> |
| 2521 | void AssemblerX86Base<Machine>::shld(Type Ty, typename Traits::GPRRegister dst, |
| 2522 | typename Traits::GPRRegister src, |
| 2523 | const Immediate &imm) { |
| 2524 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2525 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2526 | assert(imm.is_int8()); |
| 2527 | if (Ty == IceType_i16) |
| 2528 | emitOperandSizeOverride(); |
| 2529 | emitUint8(0x0F); |
| 2530 | emitUint8(0xA4); |
| 2531 | emitRegisterOperand(src, dst); |
| 2532 | emitUint8(imm.value() & 0xFF); |
| 2533 | } |
| 2534 | |
| 2535 | template <class Machine> |
| 2536 | void AssemblerX86Base<Machine>::shld(Type Ty, |
| 2537 | const typename Traits::Address &operand, |
| 2538 | typename Traits::GPRRegister src) { |
| 2539 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2540 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2541 | if (Ty == IceType_i16) |
| 2542 | emitOperandSizeOverride(); |
| 2543 | emitUint8(0x0F); |
| 2544 | emitUint8(0xA5); |
| 2545 | emitOperand(src, operand); |
| 2546 | } |
| 2547 | |
| 2548 | template <class Machine> |
| 2549 | void AssemblerX86Base<Machine>::shrd(Type Ty, typename Traits::GPRRegister dst, |
| 2550 | typename Traits::GPRRegister src) { |
| 2551 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2552 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2553 | if (Ty == IceType_i16) |
| 2554 | emitOperandSizeOverride(); |
| 2555 | emitUint8(0x0F); |
| 2556 | emitUint8(0xAD); |
| 2557 | emitRegisterOperand(src, dst); |
| 2558 | } |
| 2559 | |
| 2560 | template <class Machine> |
| 2561 | void AssemblerX86Base<Machine>::shrd(Type Ty, typename Traits::GPRRegister dst, |
| 2562 | typename Traits::GPRRegister src, |
| 2563 | const Immediate &imm) { |
| 2564 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2565 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2566 | assert(imm.is_int8()); |
| 2567 | if (Ty == IceType_i16) |
| 2568 | emitOperandSizeOverride(); |
| 2569 | emitUint8(0x0F); |
| 2570 | emitUint8(0xAC); |
| 2571 | emitRegisterOperand(src, dst); |
| 2572 | emitUint8(imm.value() & 0xFF); |
| 2573 | } |
| 2574 | |
| 2575 | template <class Machine> |
| 2576 | void AssemblerX86Base<Machine>::shrd(Type Ty, |
| 2577 | const typename Traits::Address &dst, |
| 2578 | typename Traits::GPRRegister src) { |
| 2579 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2580 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2581 | if (Ty == IceType_i16) |
| 2582 | emitOperandSizeOverride(); |
| 2583 | emitUint8(0x0F); |
| 2584 | emitUint8(0xAD); |
| 2585 | emitOperand(src, dst); |
| 2586 | } |
| 2587 | |
| 2588 | template <class Machine> |
| 2589 | void AssemblerX86Base<Machine>::neg(Type Ty, typename Traits::GPRRegister reg) { |
| 2590 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2591 | if (Ty == IceType_i16) |
| 2592 | emitOperandSizeOverride(); |
| 2593 | if (isByteSizedArithType(Ty)) |
| 2594 | emitUint8(0xF6); |
| 2595 | else |
| 2596 | emitUint8(0xF7); |
| 2597 | emitRegisterOperand(3, reg); |
| 2598 | } |
| 2599 | |
| 2600 | template <class Machine> |
| 2601 | void AssemblerX86Base<Machine>::neg(Type Ty, |
| 2602 | const typename Traits::Address &addr) { |
| 2603 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2604 | if (Ty == IceType_i16) |
| 2605 | emitOperandSizeOverride(); |
| 2606 | if (isByteSizedArithType(Ty)) |
| 2607 | emitUint8(0xF6); |
| 2608 | else |
| 2609 | emitUint8(0xF7); |
| 2610 | emitOperand(3, addr); |
| 2611 | } |
| 2612 | |
| 2613 | template <class Machine> |
| 2614 | void AssemblerX86Base<Machine>::notl(typename Traits::GPRRegister reg) { |
| 2615 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2616 | emitUint8(0xF7); |
| 2617 | emitUint8(0xD0 | reg); |
| 2618 | } |
| 2619 | |
| 2620 | template <class Machine> |
| 2621 | void AssemblerX86Base<Machine>::bswap(Type Ty, |
| 2622 | typename Traits::GPRRegister reg) { |
| 2623 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2624 | assert(Ty == IceType_i32); |
| 2625 | (void)Ty; |
| 2626 | emitUint8(0x0F); |
| 2627 | emitUint8(0xC8 | reg); |
| 2628 | } |
| 2629 | |
| 2630 | template <class Machine> |
| 2631 | void AssemblerX86Base<Machine>::bsf(Type Ty, typename Traits::GPRRegister dst, |
| 2632 | typename Traits::GPRRegister src) { |
| 2633 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2634 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2635 | if (Ty == IceType_i16) |
| 2636 | emitOperandSizeOverride(); |
| 2637 | emitUint8(0x0F); |
| 2638 | emitUint8(0xBC); |
| 2639 | emitRegisterOperand(dst, src); |
| 2640 | } |
| 2641 | |
| 2642 | template <class Machine> |
| 2643 | void AssemblerX86Base<Machine>::bsf(Type Ty, typename Traits::GPRRegister dst, |
| 2644 | const typename Traits::Address &src) { |
| 2645 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2646 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2647 | if (Ty == IceType_i16) |
| 2648 | emitOperandSizeOverride(); |
| 2649 | emitUint8(0x0F); |
| 2650 | emitUint8(0xBC); |
| 2651 | emitOperand(dst, src); |
| 2652 | } |
| 2653 | |
| 2654 | template <class Machine> |
| 2655 | void AssemblerX86Base<Machine>::bsr(Type Ty, typename Traits::GPRRegister dst, |
| 2656 | typename Traits::GPRRegister src) { |
| 2657 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2658 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2659 | if (Ty == IceType_i16) |
| 2660 | emitOperandSizeOverride(); |
| 2661 | emitUint8(0x0F); |
| 2662 | emitUint8(0xBD); |
| 2663 | emitRegisterOperand(dst, src); |
| 2664 | } |
| 2665 | |
| 2666 | template <class Machine> |
| 2667 | void AssemblerX86Base<Machine>::bsr(Type Ty, typename Traits::GPRRegister dst, |
| 2668 | const typename Traits::Address &src) { |
| 2669 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2670 | assert(Ty == IceType_i16 || Ty == IceType_i32); |
| 2671 | if (Ty == IceType_i16) |
| 2672 | emitOperandSizeOverride(); |
| 2673 | emitUint8(0x0F); |
| 2674 | emitUint8(0xBD); |
| 2675 | emitOperand(dst, src); |
| 2676 | } |
| 2677 | |
| 2678 | template <class Machine> |
| 2679 | void AssemblerX86Base<Machine>::bt(typename Traits::GPRRegister base, |
| 2680 | typename Traits::GPRRegister offset) { |
| 2681 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2682 | emitUint8(0x0F); |
| 2683 | emitUint8(0xA3); |
| 2684 | emitRegisterOperand(offset, base); |
| 2685 | } |
| 2686 | |
| 2687 | template <class Machine> void AssemblerX86Base<Machine>::ret() { |
| 2688 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2689 | emitUint8(0xC3); |
| 2690 | } |
| 2691 | |
| 2692 | template <class Machine> |
| 2693 | void AssemblerX86Base<Machine>::ret(const Immediate &imm) { |
| 2694 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2695 | emitUint8(0xC2); |
| 2696 | assert(imm.is_uint16()); |
| 2697 | emitUint8(imm.value() & 0xFF); |
| 2698 | emitUint8((imm.value() >> 8) & 0xFF); |
| 2699 | } |
| 2700 | |
| 2701 | template <class Machine> void AssemblerX86Base<Machine>::nop(int size) { |
| 2702 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2703 | // There are nops up to size 15, but for now just provide up to size 8. |
| 2704 | assert(0 < size && size <= MAX_NOP_SIZE); |
| 2705 | switch (size) { |
| 2706 | case 1: |
| 2707 | emitUint8(0x90); |
| 2708 | break; |
| 2709 | case 2: |
| 2710 | emitUint8(0x66); |
| 2711 | emitUint8(0x90); |
| 2712 | break; |
| 2713 | case 3: |
| 2714 | emitUint8(0x0F); |
| 2715 | emitUint8(0x1F); |
| 2716 | emitUint8(0x00); |
| 2717 | break; |
| 2718 | case 4: |
| 2719 | emitUint8(0x0F); |
| 2720 | emitUint8(0x1F); |
| 2721 | emitUint8(0x40); |
| 2722 | emitUint8(0x00); |
| 2723 | break; |
| 2724 | case 5: |
| 2725 | emitUint8(0x0F); |
| 2726 | emitUint8(0x1F); |
| 2727 | emitUint8(0x44); |
| 2728 | emitUint8(0x00); |
| 2729 | emitUint8(0x00); |
| 2730 | break; |
| 2731 | case 6: |
| 2732 | emitUint8(0x66); |
| 2733 | emitUint8(0x0F); |
| 2734 | emitUint8(0x1F); |
| 2735 | emitUint8(0x44); |
| 2736 | emitUint8(0x00); |
| 2737 | emitUint8(0x00); |
| 2738 | break; |
| 2739 | case 7: |
| 2740 | emitUint8(0x0F); |
| 2741 | emitUint8(0x1F); |
| 2742 | emitUint8(0x80); |
| 2743 | emitUint8(0x00); |
| 2744 | emitUint8(0x00); |
| 2745 | emitUint8(0x00); |
| 2746 | emitUint8(0x00); |
| 2747 | break; |
| 2748 | case 8: |
| 2749 | emitUint8(0x0F); |
| 2750 | emitUint8(0x1F); |
| 2751 | emitUint8(0x84); |
| 2752 | emitUint8(0x00); |
| 2753 | emitUint8(0x00); |
| 2754 | emitUint8(0x00); |
| 2755 | emitUint8(0x00); |
| 2756 | emitUint8(0x00); |
| 2757 | break; |
| 2758 | default: |
| 2759 | llvm_unreachable("Unimplemented"); |
| 2760 | } |
| 2761 | } |
| 2762 | |
| 2763 | template <class Machine> void AssemblerX86Base<Machine>::int3() { |
| 2764 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2765 | emitUint8(0xCC); |
| 2766 | } |
| 2767 | |
| 2768 | template <class Machine> void AssemblerX86Base<Machine>::hlt() { |
| 2769 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2770 | emitUint8(0xF4); |
| 2771 | } |
| 2772 | |
| 2773 | template <class Machine> void AssemblerX86Base<Machine>::ud2() { |
| 2774 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2775 | emitUint8(0x0F); |
| 2776 | emitUint8(0x0B); |
| 2777 | } |
| 2778 | |
| 2779 | template <class Machine> |
| 2780 | void AssemblerX86Base<Machine>::j(typename Traits::Cond::BrCond condition, |
| 2781 | Label *label, bool near) { |
| 2782 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2783 | if (label->IsBound()) { |
| 2784 | static const int kShortSize = 2; |
| 2785 | static const int kLongSize = 6; |
| 2786 | intptr_t offset = label->Position() - Buffer.size(); |
| 2787 | assert(offset <= 0); |
| 2788 | if (Utils::IsInt(8, offset - kShortSize)) { |
| 2789 | // TODO(stichnot): Here and in jmp(), we may need to be more |
| 2790 | // conservative about the backward branch distance if the branch |
| 2791 | // instruction is within a bundle_lock sequence, because the |
| 2792 | // distance may increase when padding is added. This isn't an |
| 2793 | // issue for branches outside a bundle_lock, because if padding |
| 2794 | // is added, the retry may change it to a long backward branch |
| 2795 | // without affecting any of the bookkeeping. |
| 2796 | emitUint8(0x70 + condition); |
| 2797 | emitUint8((offset - kShortSize) & 0xFF); |
| 2798 | } else { |
| 2799 | emitUint8(0x0F); |
| 2800 | emitUint8(0x80 + condition); |
| 2801 | emitInt32(offset - kLongSize); |
| 2802 | } |
| 2803 | } else if (near) { |
| 2804 | emitUint8(0x70 + condition); |
| 2805 | emitNearLabelLink(label); |
| 2806 | } else { |
| 2807 | emitUint8(0x0F); |
| 2808 | emitUint8(0x80 + condition); |
| 2809 | emitLabelLink(label); |
| 2810 | } |
| 2811 | } |
| 2812 | |
| 2813 | template <class Machine> |
| 2814 | void AssemblerX86Base<Machine>::j(typename Traits::Cond::BrCond condition, |
| 2815 | const ConstantRelocatable *label) { |
| 2816 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2817 | emitUint8(0x0F); |
| 2818 | emitUint8(0x80 + condition); |
| 2819 | emitFixup(this->createFixup(Traits::PcRelFixup, label)); |
| 2820 | emitInt32(-4); |
| 2821 | } |
| 2822 | |
| 2823 | template <class Machine> |
| 2824 | void AssemblerX86Base<Machine>::jmp(typename Traits::GPRRegister reg) { |
| 2825 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2826 | emitUint8(0xFF); |
| 2827 | emitRegisterOperand(4, reg); |
| 2828 | } |
| 2829 | |
| 2830 | template <class Machine> |
| 2831 | void AssemblerX86Base<Machine>::jmp(Label *label, bool near) { |
| 2832 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2833 | if (label->IsBound()) { |
| 2834 | static const int kShortSize = 2; |
| 2835 | static const int kLongSize = 5; |
| 2836 | intptr_t offset = label->Position() - Buffer.size(); |
| 2837 | assert(offset <= 0); |
| 2838 | if (Utils::IsInt(8, offset - kShortSize)) { |
| 2839 | emitUint8(0xEB); |
| 2840 | emitUint8((offset - kShortSize) & 0xFF); |
| 2841 | } else { |
| 2842 | emitUint8(0xE9); |
| 2843 | emitInt32(offset - kLongSize); |
| 2844 | } |
| 2845 | } else if (near) { |
| 2846 | emitUint8(0xEB); |
| 2847 | emitNearLabelLink(label); |
| 2848 | } else { |
| 2849 | emitUint8(0xE9); |
| 2850 | emitLabelLink(label); |
| 2851 | } |
| 2852 | } |
| 2853 | |
| 2854 | template <class Machine> |
| 2855 | void AssemblerX86Base<Machine>::jmp(const ConstantRelocatable *label) { |
| 2856 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2857 | emitUint8(0xE9); |
| 2858 | emitFixup(this->createFixup(Traits::PcRelFixup, label)); |
| 2859 | emitInt32(-4); |
| 2860 | } |
| 2861 | |
| 2862 | template <class Machine> void AssemblerX86Base<Machine>::mfence() { |
| 2863 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2864 | emitUint8(0x0F); |
| 2865 | emitUint8(0xAE); |
| 2866 | emitUint8(0xF0); |
| 2867 | } |
| 2868 | |
| 2869 | template <class Machine> void AssemblerX86Base<Machine>::lock() { |
| 2870 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2871 | emitUint8(0xF0); |
| 2872 | } |
| 2873 | |
| 2874 | template <class Machine> |
| 2875 | void AssemblerX86Base<Machine>::cmpxchg(Type Ty, |
| 2876 | const typename Traits::Address &address, |
| 2877 | typename Traits::GPRRegister reg, |
| 2878 | bool Locked) { |
| 2879 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2880 | if (Ty == IceType_i16) |
| 2881 | emitOperandSizeOverride(); |
| 2882 | if (Locked) |
| 2883 | emitUint8(0xF0); |
| 2884 | emitUint8(0x0F); |
| 2885 | if (isByteSizedArithType(Ty)) |
| 2886 | emitUint8(0xB0); |
| 2887 | else |
| 2888 | emitUint8(0xB1); |
| 2889 | emitOperand(reg, address); |
| 2890 | } |
| 2891 | |
| 2892 | template <class Machine> |
| 2893 | void AssemblerX86Base<Machine>::cmpxchg8b( |
| 2894 | const typename Traits::Address &address, bool Locked) { |
| 2895 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2896 | if (Locked) |
| 2897 | emitUint8(0xF0); |
| 2898 | emitUint8(0x0F); |
| 2899 | emitUint8(0xC7); |
| 2900 | emitOperand(1, address); |
| 2901 | } |
| 2902 | |
| 2903 | template <class Machine> |
| 2904 | void AssemblerX86Base<Machine>::xadd(Type Ty, |
| 2905 | const typename Traits::Address &addr, |
| 2906 | typename Traits::GPRRegister reg, |
| 2907 | bool Locked) { |
| 2908 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2909 | if (Ty == IceType_i16) |
| 2910 | emitOperandSizeOverride(); |
| 2911 | if (Locked) |
| 2912 | emitUint8(0xF0); |
| 2913 | emitUint8(0x0F); |
| 2914 | if (isByteSizedArithType(Ty)) |
| 2915 | emitUint8(0xC0); |
| 2916 | else |
| 2917 | emitUint8(0xC1); |
| 2918 | emitOperand(reg, addr); |
| 2919 | } |
| 2920 | |
| 2921 | template <class Machine> |
| 2922 | void AssemblerX86Base<Machine>::xchg(Type Ty, |
| 2923 | const typename Traits::Address &addr, |
| 2924 | typename Traits::GPRRegister reg) { |
| 2925 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2926 | if (Ty == IceType_i16) |
| 2927 | emitOperandSizeOverride(); |
| 2928 | if (isByteSizedArithType(Ty)) |
| 2929 | emitUint8(0x86); |
| 2930 | else |
| 2931 | emitUint8(0x87); |
| 2932 | emitOperand(reg, addr); |
| 2933 | } |
| 2934 | |
| 2935 | template <class Machine> |
| 2936 | void AssemblerX86Base<Machine>::emitSegmentOverride(uint8_t prefix) { |
| 2937 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 2938 | emitUint8(prefix); |
| 2939 | } |
| 2940 | |
| 2941 | template <class Machine> |
| 2942 | void AssemblerX86Base<Machine>::align(intptr_t alignment, intptr_t offset) { |
| 2943 | assert(llvm::isPowerOf2_32(alignment)); |
| 2944 | intptr_t pos = offset + Buffer.getPosition(); |
| 2945 | intptr_t mod = pos & (alignment - 1); |
| 2946 | if (mod == 0) { |
| 2947 | return; |
| 2948 | } |
| 2949 | intptr_t bytes_needed = alignment - mod; |
| 2950 | while (bytes_needed > MAX_NOP_SIZE) { |
| 2951 | nop(MAX_NOP_SIZE); |
| 2952 | bytes_needed -= MAX_NOP_SIZE; |
| 2953 | } |
| 2954 | if (bytes_needed) { |
| 2955 | nop(bytes_needed); |
| 2956 | } |
| 2957 | assert(((offset + Buffer.getPosition()) & (alignment - 1)) == 0); |
| 2958 | } |
| 2959 | |
| 2960 | template <class Machine> void AssemblerX86Base<Machine>::bind(Label *label) { |
| 2961 | intptr_t bound = Buffer.size(); |
| 2962 | assert(!label->IsBound()); // Labels can only be bound once. |
| 2963 | while (label->IsLinked()) { |
| 2964 | intptr_t position = label->LinkPosition(); |
| 2965 | intptr_t next = Buffer.load<int32_t>(position); |
| 2966 | Buffer.store<int32_t>(position, bound - (position + 4)); |
| 2967 | label->position_ = next; |
| 2968 | } |
| 2969 | while (label->HasNear()) { |
| 2970 | intptr_t position = label->NearPosition(); |
| 2971 | intptr_t offset = bound - (position + 1); |
| 2972 | assert(Utils::IsInt(8, offset)); |
| 2973 | Buffer.store<int8_t>(position, offset); |
| 2974 | } |
| 2975 | label->BindTo(bound); |
| 2976 | } |
| 2977 | |
| 2978 | template <class Machine> |
| 2979 | void AssemblerX86Base<Machine>::emitOperand( |
| 2980 | int rm, const typename Traits::Operand &operand) { |
| 2981 | assert(rm >= 0 && rm < 8); |
| 2982 | const intptr_t length = operand.length_; |
| 2983 | assert(length > 0); |
| 2984 | // Emit the ModRM byte updated with the given RM value. |
| 2985 | assert((operand.encoding_[0] & 0x38) == 0); |
| 2986 | emitUint8(operand.encoding_[0] + (rm << 3)); |
| 2987 | if (operand.fixup()) { |
| 2988 | emitFixup(operand.fixup()); |
| 2989 | } |
| 2990 | // Emit the rest of the encoded operand. |
| 2991 | for (intptr_t i = 1; i < length; i++) { |
| 2992 | emitUint8(operand.encoding_[i]); |
| 2993 | } |
| 2994 | } |
| 2995 | |
| 2996 | template <class Machine> |
| 2997 | void AssemblerX86Base<Machine>::emitImmediate(Type Ty, const Immediate &imm) { |
| 2998 | if (Ty == IceType_i16) { |
| 2999 | assert(!imm.fixup()); |
| 3000 | emitInt16(imm.value()); |
| 3001 | } else { |
| 3002 | if (imm.fixup()) { |
| 3003 | emitFixup(imm.fixup()); |
| 3004 | } |
| 3005 | emitInt32(imm.value()); |
| 3006 | } |
| 3007 | } |
| 3008 | |
| 3009 | template <class Machine> |
| 3010 | void AssemblerX86Base<Machine>::emitComplexI8( |
| 3011 | int rm, const typename Traits::Operand &operand, |
| 3012 | const Immediate &immediate) { |
| 3013 | assert(rm >= 0 && rm < 8); |
| 3014 | assert(immediate.is_int8()); |
| 3015 | if (operand.IsRegister(Traits::Encoded_Reg_Accumulator)) { |
| 3016 | // Use short form if the destination is al. |
| 3017 | emitUint8(0x04 + (rm << 3)); |
| 3018 | emitUint8(immediate.value() & 0xFF); |
| 3019 | } else { |
| 3020 | // Use sign-extended 8-bit immediate. |
| 3021 | emitUint8(0x80); |
| 3022 | emitOperand(rm, operand); |
| 3023 | emitUint8(immediate.value() & 0xFF); |
| 3024 | } |
| 3025 | } |
| 3026 | |
| 3027 | template <class Machine> |
| 3028 | void AssemblerX86Base<Machine>::emitComplex( |
| 3029 | Type Ty, int rm, const typename Traits::Operand &operand, |
| 3030 | const Immediate &immediate) { |
| 3031 | assert(rm >= 0 && rm < 8); |
| 3032 | if (immediate.is_int8()) { |
| 3033 | // Use sign-extended 8-bit immediate. |
| 3034 | emitUint8(0x83); |
| 3035 | emitOperand(rm, operand); |
| 3036 | emitUint8(immediate.value() & 0xFF); |
| 3037 | } else if (operand.IsRegister(Traits::Encoded_Reg_Accumulator)) { |
| 3038 | // Use short form if the destination is eax. |
| 3039 | emitUint8(0x05 + (rm << 3)); |
| 3040 | emitImmediate(Ty, immediate); |
| 3041 | } else { |
| 3042 | emitUint8(0x81); |
| 3043 | emitOperand(rm, operand); |
| 3044 | emitImmediate(Ty, immediate); |
| 3045 | } |
| 3046 | } |
| 3047 | |
| 3048 | template <class Machine> |
| 3049 | void AssemblerX86Base<Machine>::emitLabel(Label *label, |
| 3050 | intptr_t instruction_size) { |
| 3051 | if (label->IsBound()) { |
| 3052 | intptr_t offset = label->Position() - Buffer.size(); |
| 3053 | assert(offset <= 0); |
| 3054 | emitInt32(offset - instruction_size); |
| 3055 | } else { |
| 3056 | emitLabelLink(label); |
| 3057 | } |
| 3058 | } |
| 3059 | |
| 3060 | template <class Machine> |
| 3061 | void AssemblerX86Base<Machine>::emitLabelLink(Label *Label) { |
| 3062 | assert(!Label->IsBound()); |
| 3063 | intptr_t Position = Buffer.size(); |
| 3064 | emitInt32(Label->position_); |
| 3065 | if (!getPreliminary()) |
| 3066 | Label->LinkTo(Position); |
| 3067 | } |
| 3068 | |
| 3069 | template <class Machine> |
| 3070 | void AssemblerX86Base<Machine>::emitNearLabelLink(Label *label) { |
| 3071 | assert(!label->IsBound()); |
| 3072 | intptr_t position = Buffer.size(); |
| 3073 | emitUint8(0); |
| 3074 | if (!getPreliminary()) |
| 3075 | label->NearLinkTo(position); |
| 3076 | } |
| 3077 | |
| 3078 | template <class Machine> |
| 3079 | void AssemblerX86Base<Machine>::emitGenericShift( |
| 3080 | int rm, Type Ty, typename Traits::GPRRegister reg, const Immediate &imm) { |
| 3081 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 3082 | assert(imm.is_int8()); |
| 3083 | if (Ty == IceType_i16) |
| 3084 | emitOperandSizeOverride(); |
| 3085 | if (imm.value() == 1) { |
| 3086 | emitUint8(isByteSizedArithType(Ty) ? 0xD0 : 0xD1); |
| 3087 | emitOperand(rm, typename Traits::Operand(reg)); |
| 3088 | } else { |
| 3089 | emitUint8(isByteSizedArithType(Ty) ? 0xC0 : 0xC1); |
| 3090 | emitOperand(rm, typename Traits::Operand(reg)); |
| 3091 | emitUint8(imm.value() & 0xFF); |
| 3092 | } |
| 3093 | } |
| 3094 | |
| 3095 | template <class Machine> |
| 3096 | void AssemblerX86Base<Machine>::emitGenericShift( |
| 3097 | int rm, Type Ty, const typename Traits::Operand &operand, |
| 3098 | typename Traits::GPRRegister shifter) { |
| 3099 | AssemblerBuffer::EnsureCapacity ensured(&Buffer); |
| 3100 | assert(shifter == Traits::Encoded_Reg_Counter); |
| 3101 | (void)shifter; |
| 3102 | if (Ty == IceType_i16) |
| 3103 | emitOperandSizeOverride(); |
| 3104 | emitUint8(isByteSizedArithType(Ty) ? 0xD2 : 0xD3); |
| 3105 | emitOperand(rm, operand); |
| 3106 | } |
| 3107 | |
| 3108 | } // end of namespace X86Internal |
| 3109 | } // end of namespace Ice |