two_byte_opcodes.isa revision 5020:d34fd894a6e5
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Derivatives of the software may be shared with 36// others provided: (i) the others agree to abide by the list of 37// conditions herein which includes the Non-Commercial Use restrictions; 38// and (ii) such Derivatives of the software include the above copyright 39// notice to acknowledge the contribution from this software where 40// applicable, this list of conditions and the disclaimer below. 41// 42// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 43// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 44// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 45// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 46// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 47// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 48// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53// 54// Authors: Gabe Black 55 56//////////////////////////////////////////////////////////////////// 57// 58// Decode the two byte opcodes 59// 600x2: decode OPCODE_PREFIXA { 61 0x0F: decode OPCODE_OP_TOP5 { 62 format WarnUnimpl { 63 0x00: decode OPCODE_OP_BOTTOM3 { 64 0x00: group6(); 65 0x01: group7(); 66 0x02: lar_Gv_Ew(); 67 0x03: lsl_Gv_Ew(); 68 //sandpile.org doesn't seem to know what this is... ? 69 0x04: loadall_or_reset_or_hang(); 70#if FULL_SYSTEM 71 0x05: syscall(); 72#else 73 0x05: SyscallInst::syscall('xc->syscall(rax)', IsSyscall); 74#endif 75 0x06: clts(); 76 //sandpile.org says (AMD) after sysret, so I might want to check 77 //if that means amd64 or AMD machines 78 0x07: loadall_or_sysret(); 79 } 80 0x01: decode OPCODE_OP_BOTTOM3 { 81 0x0: invd(); 82 0x1: wbinvd(); 83 0x2: Inst::UD2(); 84 0x3: Inst::UD2(); 85 0x4: Inst::UD2(); 86 0x5: threednow(); 87 0x6: threednow(); 88 0x7: threednow(); 89 } 90 0x02: decode LEGACY_DECODEVAL { 91 // no prefix 92 0x0: decode OPCODE_OP_BOTTOM3 { 93 0x0: movups_Vo_Wo(); 94 0x1: movups_Wo_Vo(); 95 0x2: decode MODRM_MOD { 96 0x3: movhlps_Vq_VRq(); 97 default: movlps_Vq_Mq(); 98 } 99 0x3: movlps_Mq_Vq(); 100 0x4: unpcklps(); 101 0x5: unpckhps(); 102 0x6: decode MODRM_MOD { 103 0x3: movlhps_Vq_VRq(); 104 default: movhps_Vq_Mq(); 105 } 106 0x7: movhps_Mq_Vq(); 107 } 108 // repe (0xF3) 109 0x4: decode OPCODE_OP_BOTTOM3 { 110 0x0: movss_Vd_Wd(); 111 0x1: movss_Wd_Vd(); 112 0x2: movsldup_Vo_Wo(); 113 0x6: movshdup_Vo_Wo(); 114 default: Inst::UD2(); 115 } 116 // operand size (0x66) 117 0x1: decode OPCODE_OP_BOTTOM3 { 118 0x0: movupd_Vo_Wo(); 119 0x1: movupd_Wo_Vo(); 120 0x2: movlpd_Vq_Mq(); 121 0x3: movlpd_Mq_Vq(); 122 0x4: unpcklpd_Vo_Wq(); 123 0x5: unpckhpd_Vo_Wo(); 124 0x6: movhpd_Vq_Mq(); 125 0x7: movhpd_Mq_Vq(); 126 } 127 // repne (0xF2) 128 0x8: decode OPCODE_OP_BOTTOM3 { 129 0x0: movsd_Vq_Wq(); 130 0x1: movsd_Wq_Vq(); 131 0x2: movddup_Vo_Wq(); 132 default: Inst::UD2(); 133 } 134 default: Inst::UD2(); 135 } 136 0x03: decode OPCODE_OP_BOTTOM3 { 137 0x0: group17(); 138 0x1: group17(); 139 0x2: group17(); 140 0x3: group17(); 141 0x4: group17(); 142 0x5: group17(); 143 0x6: group17(); 144 0x7: group17(); 145 } 146 0x04: decode LEGACY_DECODEVAL { 147 // no prefix 148 0x0: decode OPCODE_OP_BOTTOM3 { 149 0x0: mov_Rd_Cd(); 150 0x1: mov_Rd_Dd(); 151 0x2: mov_Cd_Rd(); 152 0x3: mov_Dd_Rd(); 153 0x4: mov_Rd_Td(); 154 0x6: mov_Td_Rd(); 155 default: Inst::UD2(); 156 } 157 // lock prefix (0xF0) 158 0x2: decode OPCODE_OP_BOTTOM3 { 159 0x0: mov_Rd_CR8D(); 160 0x2: mov_CR8D_Rd(); 161 } 162 default: Inst::UD2(); 163 } 164 0x05: decode LEGACY_DECODEVAL { 165 // no prefix 166 0x0: decode OPCODE_OP_BOTTOM3 { 167 0x0: movaps_Vo_Wo(); 168 0x1: movaps_Wo_Vo(); 169 0x2: decode MODRM_MOD { 170 0x3: cvtpi2pS_Vq_Pq(); 171 default: cvtpi2ps_Vq_Mq(); 172 } 173 0x3: movntps_Mo_Vo(); 174 0x4: cvttps2pi_Pq_Wq(); 175 0x5: cvtpS2pi_Pq_Wq(); 176 0x6: ucomiss_Vd_Wd(); 177 0x7: comiss_Vd_Wd(); 178 } 179 // repe (0xF3) 180 0x4: decode OPCODE_OP_BOTTOM3 { 181 0x2: cvtsi2ss_Vd_Ed(); 182 0x4: cvttss2si_Gd_Wd(); 183 0x5: cvtss2si_Gd_Wd(); 184 default: Inst::UD2(); 185 } 186 // operand size (0x66) 187 0x1: decode OPCODE_OP_BOTTOM3 { 188 0x0: movapd_Vo_Wo(); 189 0x1: movapd_Wo_Vo(); 190 0x2: decode MODRM_MOD { 191 0x3: cvtpi2pd_Vo_Pq(); 192 default: cvtpi2pd_Vo_Mq(); 193 } 194 0x3: movntpd_Mo_Vo(); 195 0x4: cvttpd2pi_Pq_Wo(); 196 0x5: cvtpd2pi_Pq_Wo(); 197 0x6: ucomisd_Vq_Wq(); 198 0x7: comisd_Vq_Wq(); 199 } 200 // repne (0xF2) 201 0x8: decode OPCODE_OP_BOTTOM3 { 202 0x2: cvtsi2sd_Vq_Ed(); 203 0x4: cvttsd2si_Gd_Wq(); 204 0x5: cvtsd2si_Gd_Wq(); 205 default: Inst::UD2(); 206 } 207 default: Inst::UD2(); 208 } 209 0x06: decode OPCODE_OP_BOTTOM3 { 210 0x0: wrmsr(); 211 0x1: rdtsc(); 212 0x2: rdmsr(); 213 0x3: rdpmc(); 214 0x4: sysenter(); 215 0x5: sysexit(); 216 0x6: Inst::UD2(); 217 0x7: getsec(); 218 } 219 0x07: decode OPCODE_OP_BOTTOM3 { 220 0x0: three_byte_opcode(); 221 0x1: three_byte_opcode(); 222 0x2: three_byte_opcode(); 223 0x3: three_byte_opcode(); 224 0x4: three_byte_opcode(); 225 0x5: three_byte_opcode(); 226 0x6: three_byte_opcode(); 227 0x7: three_byte_opcode(); 228 } 229 format Inst { 230 0x08: decode OPCODE_OP_BOTTOM3 { 231 0x0: CMOVO(Gv,Ev); 232 0x1: CMOVNO(Gv,Ev); 233 0x2: CMOVB(Gv,Ev); 234 0x3: CMOVNB(Gv,Ev); 235 0x4: CMOVZ(Gv,Ev); 236 0x5: CMOVNZ(Gv,Ev); 237 0x6: CMOVBE(Gv,Ev); 238 0x7: CMOVNBE(Gv,Ev); 239 } 240 0x09: decode OPCODE_OP_BOTTOM3 { 241 0x0: CMOVS(Gv,Ev); 242 0x1: CMOVNS(Gv,Ev); 243 0x2: CMOVP(Gv,Ev); 244 0x3: CMOVNP(Gv,Ev); 245 0x4: CMOVL(Gv,Ev); 246 0x5: CMOVNL(Gv,Ev); 247 0x6: CMOVLE(Gv,Ev); 248 0x7: CMOVNLE(Gv,Ev); 249 } 250 } 251 0x0A: decode LEGACY_DECODEVAL { 252 // no prefix 253 0x0: decode OPCODE_OP_BOTTOM3 { 254 0x0: movmskps_Gd_VRo(); 255 0x1: sqrtps_Vo_Wo(); 256 0x2: rqsrtps_Vo_Wo(); 257 0x3: rcpps_Vo_Wo(); 258 0x4: andps_Vo_Wo(); 259 0x5: andnps_Vo_Wo(); 260 0x6: orps_Vo_Wo(); 261 0x7: xorps_Vo_Wo(); 262 } 263 // repe (0xF3) 264 0x4: decode OPCODE_OP_BOTTOM3 { 265 0x1: sqrtss_Vd_Wd(); 266 0x2: rsqrtss_Vd_Wd(); 267 0x3: rcpss_Vd_Wd(); 268 default: Inst::UD2(); 269 } 270 // operand size (0x66) 271 0x1: decode OPCODE_OP_BOTTOM3 { 272 0x0: movmskpd_Gd_VRo(); 273 0x1: sqrtpd_Vo_Wo(); 274 0x4: andpd_Vo_Wo(); 275 0x5: andnpd_Vo_Wo(); 276 0x6: orpd_Vo_Wo(); 277 0x7: xorpd_Vo_Wo(); 278 default: Inst::UD2(); 279 } 280 // repne (0xF2) 281 0x8: decode OPCODE_OP_BOTTOM3 { 282 0x1: sqrtsd_Vq_Wq(); 283 default: Inst::UD2(); 284 } 285 default: Inst::UD2(); 286 } 287 0x0B: decode LEGACY_DECODEVAL { 288 // no prefix 289 0x0: decode OPCODE_OP_BOTTOM3 { 290 0x0: addps_Vo_Wo(); 291 0x1: mulps_Vo_Wo(); 292 0x2: cvtps2pd_Vo_Wq(); 293 0x3: cvtdq2ps_Vo_Wo(); 294 0x4: subps_Vo_Wo(); 295 0x5: minps_Vo_Wo(); 296 0x6: divps_Vo_Wo(); 297 0x7: maxps_Vo_Wo(); 298 } 299 // repe (0xF3) 300 0x4: decode OPCODE_OP_BOTTOM3 { 301 0x0: addss_Vd_Wd(); 302 0x1: mulss_Vd_Wd(); 303 0x2: cvtss2sd_Vq_Wd(); 304 0x3: cvttps2dq_Vo_Wo(); 305 0x4: subss_Vd_Wd(); 306 0x5: minss_Vd_Wd(); 307 0x6: divss_Vd_Wd(); 308 0x7: maxss_Vd_Wd(); 309 } 310 // operand size (0x66) 311 0x1: decode OPCODE_OP_BOTTOM3 { 312 0x0: addpd_Vo_Wo(); 313 0x1: mulpd_Vo_Wo(); 314 0x2: cvtpd2ps_Vo_Wo(); 315 0x3: cvtps2dq_Vo_Wo(); 316 0x4: subpd_Vo_Wo(); 317 0x5: minpd_Vo_Wo(); 318 0x6: divpd_Vo_Wo(); 319 0x7: maxpd_Vo_Wo(); 320 } 321 // repne (0xF2) 322 0x8: decode OPCODE_OP_BOTTOM3 { 323 0x0: addsd_Vq_Wq(); 324 0x1: mulsd_Vq_Wq(); 325 0x2: cvtsd2ss_Vd_Wq(); 326 0x4: subsd_Vq_Wq(); 327 0x5: minsd_Vq_Wq(); 328 0x6: divsd_Vq_Wq(); 329 0x7: maxsd_Vq_Wq(); 330 default: Inst::UD2(); 331 } 332 default: Inst::UD2(); 333 } 334 0x0C: decode LEGACY_DECODEVAL { 335 // no prefix 336 0x0: decode OPCODE_OP_BOTTOM3 { 337 0x0: punpcklbw_Pq_Qd(); 338 0x1: punpcklwd_Pq_Qd(); 339 0x2: punpckldq_Pq_Qd(); 340 0x3: packsswb_Pq_Qq(); 341 0x4: pcmpgtb_Pq_Qq(); 342 0x5: pcmpgtw_Pq_Qq(); 343 0x6: pcmpgtd_Pq_Qq(); 344 0x7: packuswb_Pq_Qq(); 345 } 346 // operand size (0x66) 347 0x1: decode OPCODE_OP_BOTTOM3 { 348 0x0: punpcklbw_Vo_Wq(); 349 0x1: punpcklwd_Vo_Wq(); 350 0x2: punpckldq_Vo_Wq(); 351 0x3: packsswb_Vo_Wo(); 352 0x4: pcmpgtb_Vo_Wo(); 353 0x5: pcmpgtw_Vo_Wo(); 354 0x6: pcmpgtd_Vo_Wo(); 355 0x7: packuswb_Vo_Wo(); 356 } 357 default: Inst::UD2(); 358 } 359 0x0D: decode LEGACY_DECODEVAL { 360 // no prefix 361 0x0: decode OPCODE_OP_BOTTOM3 { 362 0x0: punpckhbw_Pq_Qq(); 363 0x1: punpckhwd_Pq_Qq(); 364 0x2: punpckhdq_Pq_Qq(); 365 0x3: packssdw_Pq_Qq(); 366 0x6: movd_Pq_Ed(); 367 0x7: movq_Pq_Qq(); 368 default: Inst::UD2(); 369 } 370 // repe (0xF3) 371 0x4: decode OPCODE_OP_BOTTOM3 { 372 0x7: movdqu_Vo_Wo(); 373 default: Inst::UD2(); 374 } 375 // operand size (0x66) 376 0x1: decode OPCODE_OP_BOTTOM3 { 377 0x0: punpckhbw_Vo_Wo(); 378 0x1: punpckhwd_Vo_Wo(); 379 0x2: punpckhdq_Vo_Wo(); 380 0x3: packssdw_Vo_Wo(); 381 0x4: punpcklqdq_Vo_Wq(); 382 0x5: punpcklqdq_Vo_Wq(); 383 0x6: movd_Vo_Ed(); 384 0x7: movdqa_Vo_Wo(); 385 } 386 default: Inst::UD2(); 387 } 388 0x0E: decode LEGACY_DECODEVAL { 389 // no prefix 390 0x0: decode OPCODE_OP_BOTTOM3 { 391 0x0: pshufw_Pq_Qq_Ib(); 392 0x1: group13_pshimw(); 393 0x2: group14_pshimd(); 394 0x3: group15_pshimq(); 395 0x4: pcmpeqb_Pq_Qq(); 396 0x5: pcmpeqw_Pq_Qq(); 397 0x6: pcmpeqd_Pq_Qq(); 398 0x7: emms(); 399 } 400 // repe (0xF3) 401 0x4: decode OPCODE_OP_BOTTOM3 { 402 0x0: pshufhw_Vo_Wo_Ib(); 403 default: Inst::UD2(); 404 } 405 // operand size (0x66) 406 0x1: decode OPCODE_OP_BOTTOM3 { 407 0x0: pshufd_Vo_Wo_Ib(); 408 0x1: group13_pshimw(); 409 0x2: group14_pshimd(); 410 0x3: group15_pshimq_dq(); 411 0x4: pcmpeqb_Vo_Wo(); 412 0x5: pcmpeqw_Vo_Wo(); 413 0x6: pcmpeqd_Vo_Wo(); 414 default: Inst::UD2(); 415 } 416 // repne (0xF2) 417 0x8: decode OPCODE_OP_BOTTOM3 { 418 0x0: pshuflw_Vo_Wo_Ib(); 419 default: Inst::UD2(); 420 } 421 default: Inst::UD2(); 422 } 423 0x0F: decode LEGACY_DECODEVAL { 424 // no prefix 425 0x0: decode OPCODE_OP_BOTTOM3 { 426 0x0: vmread_Ed_or_Eq_Gd_or_Gq(); 427 0x1: vmwrite_Gd_or_Gq_Ed_or_Eq(); 428 0x6: mov_Ed_Pd(); 429 0x7: mov_Qq_Pq(); 430 default: Inst::UD2(); 431 } 432 // repe (0xF3) 433 0x4: decode OPCODE_OP_BOTTOM3 { 434 0x6: movq_Vo_Mq_or_Vq_Vq(); 435 0x7: movdqu_Wo_Vo(); 436 default: Inst::UD2(); 437 } 438 // operand size (0x66) 439 0x1: decode OPCODE_OP_BOTTOM3 { 440 0x4: haddpd_Vo_Wo(); 441 0x5: hsubpd_Vo_Wo(); 442 0x6: movd_Ed_Vd(); 443 0x7: movdqa_Wo_Vo(); 444 default: Inst::UD2(); 445 } 446 // repne (0xF2) 447 0x8: decode OPCODE_OP_BOTTOM3 { 448 0x4: haddps_Vo_Wo(); 449 0x5: hsubps_Vo_Wo(); 450 default: Inst::UD2(); 451 } 452 default: Inst::UD2(); 453 } 454 format Inst { 455 0x10: decode OPCODE_OP_BOTTOM3 { 456 0x0: JO(Jz); 457 0x1: JNO(Jz); 458 0x2: JB(Jz); 459 0x3: JNB(Jz); 460 0x4: JZ(Jz); 461 0x5: JNZ(Jz); 462 0x6: JBE(Jz); 463 0x7: JNBE(Jz); 464 } 465 0x11: decode OPCODE_OP_BOTTOM3 { 466 0x0: JS(Jz); 467 0x1: JNS(Jz); 468 0x2: JP(Jz); 469 0x3: JNP(Jz); 470 0x4: JL(Jz); 471 0x5: JNL(Jz); 472 0x6: JLE(Jz); 473 0x7: JNLE(Jz); 474 } 475 0x12: decode OPCODE_OP_BOTTOM3 { 476 0x0: SETO(Eb); 477 0x1: SETNO(Eb); 478 0x2: SETB(Eb); 479 0x3: SETNB(Eb); 480 0x4: SETZ(Eb); 481 0x5: SETNZ(Eb); 482 0x6: SETBE(Eb); 483 0x7: SETNBE(Eb); 484 } 485 0x13: decode OPCODE_OP_BOTTOM3 { 486 0x0: SETS(Eb); 487 0x1: SETNS(Eb); 488 0x2: SETP(Eb); 489 0x3: SETNP(Eb); 490 0x4: SETL(Eb); 491 0x5: SETNL(Eb); 492 0x6: SETLE(Eb); 493 0x7: SETNLE(Eb); 494 } 495 } 496 0x14: decode OPCODE_OP_BOTTOM3 { 497 0x0: push_fs(); 498 0x1: pop_fs(); 499 0x2: Inst::CPUID(rAd); 500 0x3: bt_Ev_Gv(); 501 0x4: shld_Ev_Gv_Ib(); 502 0x5: shld_Ev_Gv_rCl(); 503 0x6: xbts_and_cmpxchg(); 504 0x7: ibts_and_cmpxchg(); 505 } 506 0x15: decode OPCODE_OP_BOTTOM3 { 507 0x0: push_gs(); 508 0x1: pop_gs(); 509 0x2: rsm_smm(); 510 0x3: bts_Ev_Gv(); 511 0x4: shrd_Ev_Gv_Ib(); 512 0x5: shrd_Ev_Gv_rCl(); 513 0x6: group16(); 514 0x7: Inst::IMUL(Gv,Ev); 515 } 516 0x16: decode OPCODE_OP_BOTTOM3 { 517 0x0: Inst::CMPXCHG(Eb,Gb); 518 0x1: Inst::CMPXCHG(Ev,Gv); 519 0x2: lss_Gz_Mp(); 520 0x3: btr_Ev_Gv(); 521 0x4: lfs_Gz_Mp(); 522 0x5: lgs_Gz_Mp(); 523 //The size of the second operand in these instructions should 524 //really be "b" or "w", but it's set to v in order to have a 525 //consistent register size. This shouldn't affect behavior. 526 0x6: Inst::MOVZX_B(Gv,Ev); 527 0x7: Inst::MOVZX_W(Gv,Ev); 528 } 529 0x17: decode OPCODE_OP_BOTTOM3 { 530 0x0: jmpe_Jz(); // IA-64? 531 0x1: group11_UD2(); 532 0x2: group8_Ev_Ib(); 533 0x3: btc_Ev_Gv(); 534 0x4: bsf_Gv_Ev(); 535 0x5: bsr_Gv_Ev(); 536 //The size of the second operand in these instructions should 537 //really be "b" or "w", but it's set to v in order to have a 538 //consistent register size. This shouldn't affect behavior. 539 0x6: Inst::MOVSX_B(Gv,Ev); 540 0x7: Inst::MOVSX_W(Gv,Ev); 541 } 542 0x18: decode OPCODE_OP_BOTTOM3 { 543 0x0: xadd_Eb_Gb(); 544 0x1: xadd_Ev_Gv(); 545 0x7: group9(); 546 default: decode LEGACY_DECODEVAL { 547 // no prefix 548 0x0: decode OPCODE_OP_BOTTOM3 { 549 0x2: cmpccps_Vo_Wo_Ib(); 550 0x3: cvtdq2ps_Vo_Wo(); 551 0x4: subps_Vo_Wo(); 552 0x5: minps_Vo_Wo(); 553 0x6: divps_Vo_Wo(); 554 } 555 // repe (0xF3) 556 0x4: decode OPCODE_OP_BOTTOM3 { 557 0x2: cmpccss_Vd_Wd_Ib(); 558 default: Inst::UD2(); 559 } 560 // operand size (0x66) 561 0x1: decode OPCODE_OP_BOTTOM3 { 562 0x2: cmpccpd_Vo_Wo_Ib(); 563 0x4: subpd_Vo_Wo(); 564 0x5: minpd_Vo_Wo(); 565 0x6: divpd_Vo_Wo(); 566 default: Inst::UD2(); 567 } 568 // repne (0xF2) 569 0x8: decode OPCODE_OP_BOTTOM3 { 570 0x2: cmpccsd_Vq_Wq_Ib(); 571 default: Inst::UD2(); 572 } 573 default: Inst::UD2(); 574 } 575 } 576 0x19: bswap_B(); 577 0x1A: decode LEGACY_DECODEVAL { 578 // no prefix 579 0x0: decode OPCODE_OP_BOTTOM3 { 580 0x1: psrlw_Pq_Qq(); 581 0x2: psrld_Pq_Qq(); 582 0x3: psrlq_Pq_Qq(); 583 0x4: paddq_Pq_Qq(); 584 0x5: pmullw_Pq_Qq(); 585 0x7: pmovmskb_Gd_PRq(); 586 default: Inst::UD2(); 587 } 588 // repe (0xF3) 589 0x4: decode OPCODE_OP_BOTTOM3 { 590 0x6: movq2dq_Vo_PRq(); 591 default: Inst::UD2(); 592 } 593 // operand size (0x66) 594 0x1: decode OPCODE_OP_BOTTOM3 { 595 0x0: addsubpd_Vo_Wo(); 596 0x1: psrlw_Vo_Wo(); 597 0x2: psrld_Vo_Wo(); 598 0x3: psrlq_Vo_Wo(); 599 0x4: paddq_Vo_Wo(); 600 0x5: pmullw_Vo_Wo(); 601 0x6: decode MODRM_MOD { 602 0x3: movq_Vq_Vq(); 603 default: movq_Mq_Vq(); 604 } 605 0x7: pmovmskb_Gd_VRo(); 606 } 607 // repne (0xF2) 608 0x8: decode OPCODE_OP_BOTTOM3 { 609 0x0: addsubps_Vo_Wo(); 610 0x6: movdq2q_Pq_VRq(); 611 default: Inst::UD2(); 612 } 613 default: Inst::UD2(); 614 } 615 0x1B: decode LEGACY_DECODEVAL { 616 // no prefix 617 0x0: decode OPCODE_OP_BOTTOM3 { 618 0x0: psubusb_Pq_Qq(); 619 0x1: psubusw_Pq_Qq(); 620 0x2: pminub_Pq_Qq(); 621 0x3: pand_Pq_Qq(); 622 0x4: paddusb_Pq_Qq(); 623 0x5: paddusw_Pq_Qq(); 624 0x6: pmaxub_Pq_Qq(); 625 0x7: pandn_Pq_Qq(); 626 } 627 // operand size (0x66) 628 0x1: decode OPCODE_OP_BOTTOM3 { 629 0x0: psubusb_Vo_Wo(); 630 0x1: psubusw_Vo_Wo(); 631 0x2: pminub_Vo_Wo(); 632 0x3: pand_Vo_Wo(); 633 0x4: paddusb_Vo_Wo(); 634 0x5: paddusw_Vo_Wo(); 635 0x6: pmaxub_Vo_Wo(); 636 0x7: pandn_Vo_Wo(); 637 } 638 default: Inst::UD2(); 639 } 640 0x1C: decode OPCODE_OP_BOTTOM3 { 641 0x0: holder(); 642 0x1: holder(); 643 0x2: holder(); 644 0x3: holder(); 645 0x4: holder(); 646 0x5: holder(); 647 0x6: holder(); 648 0x7: holder(); 649 } 650 0x1D: decode LEGACY_DECODEVAL { 651 // no prefix 652 0x0: decode OPCODE_OP_BOTTOM3 { 653 0x0: psubsb_Pq_Qq(); 654 0x1: psubsw_Pq_Qq(); 655 0x2: pminsw_Pq_Qq(); 656 0x3: por_Pq_Qq(); 657 0x4: paddsb_Pq_Qq(); 658 0x5: paddsw_Pq_Qq(); 659 0x6: pmaxsw_Pq_Qq(); 660 0x7: pxor_Pq_Qq(); 661 } 662 // operand size (0x66) 663 0x1: decode OPCODE_OP_BOTTOM3 { 664 0x0: psubsb_Vo_Wo(); 665 0x1: psubsw_Vo_Wo(); 666 0x2: pminsw_Vo_Wo(); 667 0x3: por_Vo_Wo(); 668 0x4: paddsb_Vo_Wo(); 669 0x5: paddsw_Vo_Wo(); 670 0x6: pmaxsw_Vo_Wo(); 671 0x7: pxor_Vo_Wo(); 672 } 673 default: Inst::UD2(); 674 } 675 0x1E: decode OPCODE_OP_BOTTOM3 { 676 0x0: holder(); 677 0x1: holder(); 678 0x2: holder(); 679 0x3: holder(); 680 0x4: holder(); 681 0x5: holder(); 682 0x6: holder(); 683 0x7: holder(); 684 } 685 0x1F: decode LEGACY_DECODEVAL { 686 // no prefix 687 0x0: decode OPCODE_OP_BOTTOM3 { 688 0x0: psubb_Pq_Qq(); 689 0x1: psubw_Pq_Qq(); 690 0x2: psubd_Pq_Qq(); 691 0x3: psubq_Pq_Qq(); 692 0x4: paddb_Pq_Qq(); 693 0x5: paddw_Pq_Qq(); 694 0x6: paddd_Pq_Qq(); 695 0x7: Inst::UD2(); 696 } 697 // operand size (0x66) 698 0x1: decode OPCODE_OP_BOTTOM3 { 699 0x0: psubb_Vo_Wo(); 700 0x1: psubw_Vo_Wo(); 701 0x2: psubd_Vo_Wo(); 702 0x3: psubq_Vo_Wo(); 703 0x4: paddb_Vo_Wo(); 704 0x5: paddw_Vo_Wo(); 705 0x6: paddd_Vo_Wo(); 706 0x7: Inst::UD2(); 707 } 708 default: Inst::UD2(); 709 } 710 default: FailUnimpl::twoByteOps(); 711 } 712 } 713 default: M5InternalError::error( 714 {{"Unexpected first opcode byte in two byte opcode!"}}); 715} 716