two_byte_opcodes.isa revision 5059:33478a26f73e
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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: Inst::MOVLPD(Vq,Mq); 121 0x3: Inst::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: Inst::MOVSD(Vq,Wq); 130 0x1: Inst::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 //These moves should really use size o (octword), but 168 //because they are split in two, they use q (quadword). 169 0x0: Inst::MOVAPS(Vq,Wq); 170 0x1: Inst::MOVAPS(Wq,Vq); 171 0x2: decode MODRM_MOD { 172 0x3: cvtpi2pS_Vq_Pq(); 173 default: cvtpi2ps_Vq_Mq(); 174 } 175 0x3: movntps_Mo_Vo(); 176 0x4: cvttps2pi_Pq_Wq(); 177 0x5: cvtpS2pi_Pq_Wq(); 178 0x6: ucomiss_Vd_Wd(); 179 0x7: comiss_Vd_Wd(); 180 } 181 // repe (0xF3) 182 0x4: decode OPCODE_OP_BOTTOM3 { 183 0x2: cvtsi2ss_Vd_Ed(); 184 0x4: cvttss2si_Gd_Wd(); 185 0x5: cvtss2si_Gd_Wd(); 186 default: Inst::UD2(); 187 } 188 // operand size (0x66) 189 0x1: decode OPCODE_OP_BOTTOM3 { 190 0x0: movapd_Vo_Wo(); 191 0x1: movapd_Wo_Vo(); 192 0x2: decode MODRM_MOD { 193 0x3: cvtpi2pd_Vo_Pq(); 194 default: cvtpi2pd_Vo_Mq(); 195 } 196 0x3: movntpd_Mo_Vo(); 197 0x4: cvttpd2pi_Pq_Wo(); 198 0x5: cvtpd2pi_Pq_Wo(); 199 0x6: Inst::UCOMISD(Vq,Wq); 200 0x7: comisd_Vq_Wq(); 201 } 202 // repne (0xF2) 203 0x8: decode OPCODE_OP_BOTTOM3 { 204 // The size of the V operand should be q, not dp 205 0x2: Inst::CVTSI2SD(Vdp,Edp); 206 // The size of the W operand should be q, not dp 207 0x4: Inst::CVTTSD2SI(Gdp,Wdp); 208 0x5: cvtsd2si_Gd_Wq(); 209 default: Inst::UD2(); 210 } 211 default: Inst::UD2(); 212 } 213 0x06: decode OPCODE_OP_BOTTOM3 { 214 0x0: wrmsr(); 215 0x1: rdtsc(); 216 0x2: rdmsr(); 217 0x3: rdpmc(); 218 0x4: sysenter(); 219 0x5: sysexit(); 220 0x6: Inst::UD2(); 221 0x7: getsec(); 222 } 223 0x07: decode OPCODE_OP_BOTTOM3 { 224 0x0: three_byte_opcode(); 225 0x1: three_byte_opcode(); 226 0x2: three_byte_opcode(); 227 0x3: three_byte_opcode(); 228 0x4: three_byte_opcode(); 229 0x5: three_byte_opcode(); 230 0x6: three_byte_opcode(); 231 0x7: three_byte_opcode(); 232 } 233 format Inst { 234 0x08: decode OPCODE_OP_BOTTOM3 { 235 0x0: CMOVO(Gv,Ev); 236 0x1: CMOVNO(Gv,Ev); 237 0x2: CMOVB(Gv,Ev); 238 0x3: CMOVNB(Gv,Ev); 239 0x4: CMOVZ(Gv,Ev); 240 0x5: CMOVNZ(Gv,Ev); 241 0x6: CMOVBE(Gv,Ev); 242 0x7: CMOVNBE(Gv,Ev); 243 } 244 0x09: decode OPCODE_OP_BOTTOM3 { 245 0x0: CMOVS(Gv,Ev); 246 0x1: CMOVNS(Gv,Ev); 247 0x2: CMOVP(Gv,Ev); 248 0x3: CMOVNP(Gv,Ev); 249 0x4: CMOVL(Gv,Ev); 250 0x5: CMOVNL(Gv,Ev); 251 0x6: CMOVLE(Gv,Ev); 252 0x7: CMOVNLE(Gv,Ev); 253 } 254 } 255 0x0A: decode LEGACY_DECODEVAL { 256 // no prefix 257 0x0: decode OPCODE_OP_BOTTOM3 { 258 0x0: movmskps_Gd_VRo(); 259 0x1: sqrtps_Vo_Wo(); 260 0x2: rqsrtps_Vo_Wo(); 261 0x3: rcpps_Vo_Wo(); 262 0x4: andps_Vo_Wo(); 263 0x5: andnps_Vo_Wo(); 264 0x6: orps_Vo_Wo(); 265 0x7: xorps_Vo_Wo(); 266 } 267 // repe (0xF3) 268 0x4: decode OPCODE_OP_BOTTOM3 { 269 0x1: sqrtss_Vd_Wd(); 270 0x2: rsqrtss_Vd_Wd(); 271 0x3: rcpss_Vd_Wd(); 272 default: Inst::UD2(); 273 } 274 // operand size (0x66) 275 0x1: decode OPCODE_OP_BOTTOM3 { 276 0x0: movmskpd_Gd_VRo(); 277 0x1: sqrtpd_Vo_Wo(); 278 0x4: andpd_Vo_Wo(); 279 0x5: andnpd_Vo_Wo(); 280 0x6: orpd_Vo_Wo(); 281 //This really should be type o, but it works on q sized 282 //chunks at a time. 283 0x7: Inst::XORPD(Vq,Wq); 284 default: Inst::UD2(); 285 } 286 format Inst { 287 // repne (0xF2) 288 0x8: decode OPCODE_OP_BOTTOM3 { 289 0x1: SQRTSD(Vq,Wq); 290 default: UD2(); 291 } 292 default: UD2(); 293 } 294 } 295 0x0B: decode LEGACY_DECODEVAL { 296 // no prefix 297 0x0: decode OPCODE_OP_BOTTOM3 { 298 0x0: addps_Vo_Wo(); 299 0x1: mulps_Vo_Wo(); 300 0x2: cvtps2pd_Vo_Wq(); 301 0x3: cvtdq2ps_Vo_Wo(); 302 0x4: subps_Vo_Wo(); 303 0x5: minps_Vo_Wo(); 304 0x6: divps_Vo_Wo(); 305 0x7: maxps_Vo_Wo(); 306 } 307 // repe (0xF3) 308 0x4: decode OPCODE_OP_BOTTOM3 { 309 0x0: addss_Vd_Wd(); 310 0x1: mulss_Vd_Wd(); 311 0x2: cvtss2sd_Vq_Wd(); 312 0x3: cvttps2dq_Vo_Wo(); 313 0x4: subss_Vd_Wd(); 314 0x5: minss_Vd_Wd(); 315 0x6: divss_Vd_Wd(); 316 0x7: maxss_Vd_Wd(); 317 } 318 // operand size (0x66) 319 0x1: decode OPCODE_OP_BOTTOM3 { 320 0x0: addpd_Vo_Wo(); 321 0x1: mulpd_Vo_Wo(); 322 0x2: cvtpd2ps_Vo_Wo(); 323 0x3: cvtps2dq_Vo_Wo(); 324 0x4: subpd_Vo_Wo(); 325 0x5: minpd_Vo_Wo(); 326 0x6: divpd_Vo_Wo(); 327 0x7: maxpd_Vo_Wo(); 328 } 329 // repne (0xF2) 330 0x8: decode OPCODE_OP_BOTTOM3 { 331 0x0: Inst::ADDSD(Vq,Wq); 332 0x1: Inst::MULSD(Vq,Wq); 333 0x2: cvtsd2ss_Vd_Wq(); 334 0x4: Inst::SUBSD(Vq,Wq); 335 0x5: minsd_Vq_Wq(); 336 0x6: Inst::DIVSD(Vq,Wq); 337 0x7: maxsd_Vq_Wq(); 338 default: Inst::UD2(); 339 } 340 default: Inst::UD2(); 341 } 342 0x0C: decode LEGACY_DECODEVAL { 343 // no prefix 344 0x0: decode OPCODE_OP_BOTTOM3 { 345 0x0: punpcklbw_Pq_Qd(); 346 0x1: punpcklwd_Pq_Qd(); 347 0x2: punpckldq_Pq_Qd(); 348 0x3: packsswb_Pq_Qq(); 349 0x4: pcmpgtb_Pq_Qq(); 350 0x5: pcmpgtw_Pq_Qq(); 351 0x6: pcmpgtd_Pq_Qq(); 352 0x7: packuswb_Pq_Qq(); 353 } 354 // operand size (0x66) 355 0x1: decode OPCODE_OP_BOTTOM3 { 356 0x0: punpcklbw_Vo_Wq(); 357 0x1: punpcklwd_Vo_Wq(); 358 0x2: punpckldq_Vo_Wq(); 359 0x3: packsswb_Vo_Wo(); 360 0x4: pcmpgtb_Vo_Wo(); 361 0x5: pcmpgtw_Vo_Wo(); 362 0x6: pcmpgtd_Vo_Wo(); 363 0x7: packuswb_Vo_Wo(); 364 } 365 default: Inst::UD2(); 366 } 367 0x0D: decode LEGACY_DECODEVAL { 368 // no prefix 369 0x0: decode OPCODE_OP_BOTTOM3 { 370 0x0: punpckhbw_Pq_Qq(); 371 0x1: punpckhwd_Pq_Qq(); 372 0x2: punpckhdq_Pq_Qq(); 373 0x3: packssdw_Pq_Qq(); 374 0x6: movd_Pq_Ed(); 375 0x7: movq_Pq_Qq(); 376 default: Inst::UD2(); 377 } 378 // repe (0xF3) 379 0x4: decode OPCODE_OP_BOTTOM3 { 380 0x7: movdqu_Vo_Wo(); 381 default: Inst::UD2(); 382 } 383 // operand size (0x66) 384 0x1: decode OPCODE_OP_BOTTOM3 { 385 0x0: punpckhbw_Vo_Wo(); 386 0x1: punpckhwd_Vo_Wo(); 387 0x2: punpckhdq_Vo_Wo(); 388 0x3: packssdw_Vo_Wo(); 389 0x4: punpcklqdq_Vo_Wq(); 390 0x5: punpcklqdq_Vo_Wq(); 391 0x6: movd_Vo_Ed(); 392 0x7: movdqa_Vo_Wo(); 393 } 394 default: Inst::UD2(); 395 } 396 0x0E: decode LEGACY_DECODEVAL { 397 // no prefix 398 0x0: decode OPCODE_OP_BOTTOM3 { 399 0x0: pshufw_Pq_Qq_Ib(); 400 0x1: group13_pshimw(); 401 0x2: group14_pshimd(); 402 0x3: group15_pshimq(); 403 0x4: pcmpeqb_Pq_Qq(); 404 0x5: pcmpeqw_Pq_Qq(); 405 0x6: pcmpeqd_Pq_Qq(); 406 0x7: emms(); 407 } 408 // repe (0xF3) 409 0x4: decode OPCODE_OP_BOTTOM3 { 410 0x0: pshufhw_Vo_Wo_Ib(); 411 default: Inst::UD2(); 412 } 413 // operand size (0x66) 414 0x1: decode OPCODE_OP_BOTTOM3 { 415 0x0: pshufd_Vo_Wo_Ib(); 416 0x1: group13_pshimw(); 417 0x2: group14_pshimd(); 418 0x3: group15_pshimq_dq(); 419 0x4: pcmpeqb_Vo_Wo(); 420 0x5: pcmpeqw_Vo_Wo(); 421 0x6: pcmpeqd_Vo_Wo(); 422 default: Inst::UD2(); 423 } 424 // repne (0xF2) 425 0x8: decode OPCODE_OP_BOTTOM3 { 426 0x0: pshuflw_Vo_Wo_Ib(); 427 default: Inst::UD2(); 428 } 429 default: Inst::UD2(); 430 } 431 0x0F: decode LEGACY_DECODEVAL { 432 // no prefix 433 0x0: decode OPCODE_OP_BOTTOM3 { 434 0x0: vmread_Ed_or_Eq_Gd_or_Gq(); 435 0x1: vmwrite_Gd_or_Gq_Ed_or_Eq(); 436 0x6: mov_Ed_Pd(); 437 0x7: mov_Qq_Pq(); 438 default: Inst::UD2(); 439 } 440 // repe (0xF3) 441 0x4: decode OPCODE_OP_BOTTOM3 { 442 0x6: movq_Vo_Mq_or_Vq_Vq(); 443 0x7: movdqu_Wo_Vo(); 444 default: Inst::UD2(); 445 } 446 // operand size (0x66) 447 0x1: decode OPCODE_OP_BOTTOM3 { 448 0x4: haddpd_Vo_Wo(); 449 0x5: hsubpd_Vo_Wo(); 450 0x6: movd_Ed_Vd(); 451 0x7: movdqa_Wo_Vo(); 452 default: Inst::UD2(); 453 } 454 // repne (0xF2) 455 0x8: decode OPCODE_OP_BOTTOM3 { 456 0x4: haddps_Vo_Wo(); 457 0x5: hsubps_Vo_Wo(); 458 default: Inst::UD2(); 459 } 460 default: Inst::UD2(); 461 } 462 format Inst { 463 0x10: decode OPCODE_OP_BOTTOM3 { 464 0x0: JO(Jz); 465 0x1: JNO(Jz); 466 0x2: JB(Jz); 467 0x3: JNB(Jz); 468 0x4: JZ(Jz); 469 0x5: JNZ(Jz); 470 0x6: JBE(Jz); 471 0x7: JNBE(Jz); 472 } 473 0x11: decode OPCODE_OP_BOTTOM3 { 474 0x0: JS(Jz); 475 0x1: JNS(Jz); 476 0x2: JP(Jz); 477 0x3: JNP(Jz); 478 0x4: JL(Jz); 479 0x5: JNL(Jz); 480 0x6: JLE(Jz); 481 0x7: JNLE(Jz); 482 } 483 0x12: decode OPCODE_OP_BOTTOM3 { 484 0x0: SETO(Eb); 485 0x1: SETNO(Eb); 486 0x2: SETB(Eb); 487 0x3: SETNB(Eb); 488 0x4: SETZ(Eb); 489 0x5: SETNZ(Eb); 490 0x6: SETBE(Eb); 491 0x7: SETNBE(Eb); 492 } 493 0x13: decode OPCODE_OP_BOTTOM3 { 494 0x0: SETS(Eb); 495 0x1: SETNS(Eb); 496 0x2: SETP(Eb); 497 0x3: SETNP(Eb); 498 0x4: SETL(Eb); 499 0x5: SETNL(Eb); 500 0x6: SETLE(Eb); 501 0x7: SETNLE(Eb); 502 } 503 } 504 0x14: decode OPCODE_OP_BOTTOM3 { 505 0x0: push_fs(); 506 0x1: pop_fs(); 507 0x2: Inst::CPUID(rAd); 508 0x3: bt_Ev_Gv(); 509 0x4: shld_Ev_Gv_Ib(); 510 0x5: shld_Ev_Gv_rCl(); 511 0x6: xbts_and_cmpxchg(); 512 0x7: ibts_and_cmpxchg(); 513 } 514 0x15: decode OPCODE_OP_BOTTOM3 { 515 0x0: push_gs(); 516 0x1: pop_gs(); 517 0x2: rsm_smm(); 518 0x3: bts_Ev_Gv(); 519 0x4: shrd_Ev_Gv_Ib(); 520 0x5: shrd_Ev_Gv_rCl(); 521 0x6: group16(); 522 0x7: Inst::IMUL(Gv,Ev); 523 } 524 0x16: decode OPCODE_OP_BOTTOM3 { 525 0x0: Inst::CMPXCHG(Eb,Gb); 526 0x1: Inst::CMPXCHG(Ev,Gv); 527 0x2: lss_Gz_Mp(); 528 0x3: btr_Ev_Gv(); 529 0x4: lfs_Gz_Mp(); 530 0x5: lgs_Gz_Mp(); 531 //The size of the second operand in these instructions should 532 //really be "b" or "w", but it's set to v in order to have a 533 //consistent register size. This shouldn't affect behavior. 534 0x6: Inst::MOVZX_B(Gv,Ev); 535 0x7: Inst::MOVZX_W(Gv,Ev); 536 } 537 0x17: decode OPCODE_OP_BOTTOM3 { 538 0x0: jmpe_Jz(); // IA-64? 539 0x1: group11_UD2(); 540 0x2: group8_Ev_Ib(); 541 0x3: btc_Ev_Gv(); 542 0x4: bsf_Gv_Ev(); 543 0x5: bsr_Gv_Ev(); 544 //The size of the second operand in these instructions should 545 //really be "b" or "w", but it's set to v in order to have a 546 //consistent register size. This shouldn't affect behavior. 547 0x6: Inst::MOVSX_B(Gv,Ev); 548 0x7: Inst::MOVSX_W(Gv,Ev); 549 } 550 0x18: decode OPCODE_OP_BOTTOM3 { 551 0x0: xadd_Eb_Gb(); 552 0x1: xadd_Ev_Gv(); 553 0x7: group9(); 554 default: decode LEGACY_DECODEVAL { 555 // no prefix 556 0x0: decode OPCODE_OP_BOTTOM3 { 557 0x2: cmpccps_Vo_Wo_Ib(); 558 0x3: cvtdq2ps_Vo_Wo(); 559 0x4: subps_Vo_Wo(); 560 0x5: minps_Vo_Wo(); 561 0x6: divps_Vo_Wo(); 562 } 563 // repe (0xF3) 564 0x4: decode OPCODE_OP_BOTTOM3 { 565 0x2: cmpccss_Vd_Wd_Ib(); 566 default: Inst::UD2(); 567 } 568 // operand size (0x66) 569 0x1: decode OPCODE_OP_BOTTOM3 { 570 0x2: cmpccpd_Vo_Wo_Ib(); 571 0x4: subpd_Vo_Wo(); 572 0x5: minpd_Vo_Wo(); 573 0x6: divpd_Vo_Wo(); 574 default: Inst::UD2(); 575 } 576 // repne (0xF2) 577 0x8: decode OPCODE_OP_BOTTOM3 { 578 0x2: cmpccsd_Vq_Wq_Ib(); 579 default: Inst::UD2(); 580 } 581 default: Inst::UD2(); 582 } 583 } 584 0x19: bswap_B(); 585 0x1A: decode LEGACY_DECODEVAL { 586 // no prefix 587 0x0: decode OPCODE_OP_BOTTOM3 { 588 0x1: psrlw_Pq_Qq(); 589 0x2: psrld_Pq_Qq(); 590 0x3: psrlq_Pq_Qq(); 591 0x4: paddq_Pq_Qq(); 592 0x5: pmullw_Pq_Qq(); 593 0x7: pmovmskb_Gd_PRq(); 594 default: Inst::UD2(); 595 } 596 // repe (0xF3) 597 0x4: decode OPCODE_OP_BOTTOM3 { 598 0x6: movq2dq_Vo_PRq(); 599 default: Inst::UD2(); 600 } 601 // operand size (0x66) 602 0x1: decode OPCODE_OP_BOTTOM3 { 603 0x0: addsubpd_Vo_Wo(); 604 0x1: psrlw_Vo_Wo(); 605 0x2: psrld_Vo_Wo(); 606 0x3: psrlq_Vo_Wo(); 607 0x4: paddq_Vo_Wo(); 608 0x5: pmullw_Vo_Wo(); 609 0x6: decode MODRM_MOD { 610 0x3: movq_Vq_Vq(); 611 default: movq_Mq_Vq(); 612 } 613 0x7: pmovmskb_Gd_VRo(); 614 } 615 // repne (0xF2) 616 0x8: decode OPCODE_OP_BOTTOM3 { 617 0x0: addsubps_Vo_Wo(); 618 0x6: movdq2q_Pq_VRq(); 619 default: Inst::UD2(); 620 } 621 default: Inst::UD2(); 622 } 623 0x1B: decode LEGACY_DECODEVAL { 624 // no prefix 625 0x0: decode OPCODE_OP_BOTTOM3 { 626 0x0: psubusb_Pq_Qq(); 627 0x1: psubusw_Pq_Qq(); 628 0x2: pminub_Pq_Qq(); 629 0x3: pand_Pq_Qq(); 630 0x4: paddusb_Pq_Qq(); 631 0x5: paddusw_Pq_Qq(); 632 0x6: pmaxub_Pq_Qq(); 633 0x7: pandn_Pq_Qq(); 634 } 635 // operand size (0x66) 636 0x1: decode OPCODE_OP_BOTTOM3 { 637 0x0: psubusb_Vo_Wo(); 638 0x1: psubusw_Vo_Wo(); 639 0x2: pminub_Vo_Wo(); 640 0x3: pand_Vo_Wo(); 641 0x4: paddusb_Vo_Wo(); 642 0x5: paddusw_Vo_Wo(); 643 0x6: pmaxub_Vo_Wo(); 644 0x7: pandn_Vo_Wo(); 645 } 646 default: Inst::UD2(); 647 } 648 0x1C: decode LEGACY_DECODEVAL { 649 // no prefix 650 0x0: decode OPCODE_OP_BOTTOM3 { 651 0x0: pavgb_Pq_Qq(); 652 0x1: psraw_Pq_Qq(); 653 0x2: psrad_Pq_Qq(); 654 0x3: pavgw_Pq_Qq(); 655 0x4: pmulhuw_Pq_Qq(); 656 0x5: pmulhw_Pq_Qq(); 657 0x7: movntq_Mq_Pq(); 658 default: Inst::UD2(); 659 } 660 // repe (0xF3) 661 0x4: decode OPCODE_OP_BOTTOM3 { 662 0x6: cvtdq2pd_Vo_Wq(); 663 default: Inst::UD2(); 664 } 665 // operand size (0x66) 666 0x1: decode OPCODE_OP_BOTTOM3 { 667 0x0: pavgb_Vo_Wo(); 668 0x1: psraw_Vo_Wo(); 669 0x2: psrad_Vo_Wo(); 670 0x3: pavgw_Vo_Wo(); 671 0x4: pmulhuw_Vo_Wo(); 672 0x5: pmulhw_Vo_Wo(); 673 0x6: cvttpd2dq_Vo_Wo(); 674 0x7: movntdq_Mo_Vo(); 675 } 676 // repne (0xF2) 677 0x8: decode OPCODE_OP_BOTTOM3 { 678 0x6: cvtpd2dq_Vo_Wo(); 679 default: Inst::UD2(); 680 } 681 default: Inst::UD2(); 682 } 683 0x1D: decode LEGACY_DECODEVAL { 684 // no prefix 685 0x0: decode OPCODE_OP_BOTTOM3 { 686 0x0: psubsb_Pq_Qq(); 687 0x1: psubsw_Pq_Qq(); 688 0x2: pminsw_Pq_Qq(); 689 0x3: por_Pq_Qq(); 690 0x4: paddsb_Pq_Qq(); 691 0x5: paddsw_Pq_Qq(); 692 0x6: pmaxsw_Pq_Qq(); 693 0x7: pxor_Pq_Qq(); 694 } 695 // operand size (0x66) 696 0x1: decode OPCODE_OP_BOTTOM3 { 697 0x0: psubsb_Vo_Wo(); 698 0x1: psubsw_Vo_Wo(); 699 0x2: pminsw_Vo_Wo(); 700 0x3: por_Vo_Wo(); 701 0x4: paddsb_Vo_Wo(); 702 0x5: paddsw_Vo_Wo(); 703 0x6: pmaxsw_Vo_Wo(); 704 0x7: pxor_Vo_Wo(); 705 } 706 default: Inst::UD2(); 707 } 708 0x1E: decode OPCODE_OP_BOTTOM3 { 709 // no prefix 710 0x0: decode OPCODE_OP_BOTTOM3 { 711 0x1: psllw_Pq_Qq(); 712 0x2: pslld_Pq_Qq(); 713 0x3: psllq_Pq_Qq(); 714 0x4: pmuludq_Pq_Qq(); 715 0x5: pmaddwd_Pq_Qq(); 716 0x6: psadbw_Pq_Qq(); 717 0x7: maskmovq_Pq_PRq(); 718 default: Inst::UD2(); 719 } 720 // operand size (0x66) 721 0x1: decode OPCODE_OP_BOTTOM3 { 722 0x1: psllw_Vo_Wo(); 723 0x2: pslld_Vo_Wo(); 724 0x3: psllq_Vo_Wo(); 725 0x4: pmuludq_Vo_Wo(); 726 0x5: pmaddwd_Vo_Wo(); 727 0x6: psadbw_Vo_Wo(); 728 0x7: maskmovdqu_Vo_VRo(); 729 default: Inst::UD2(); 730 } 731 // repne (0xF2) 732 0x8: decode OPCODE_OP_BOTTOM3 { 733 0x0: lddqu_Vo_Mo(); 734 default: Inst::UD2(); 735 } 736 default: Inst::UD2(); 737 } 738 0x1F: decode LEGACY_DECODEVAL { 739 // no prefix 740 0x0: decode OPCODE_OP_BOTTOM3 { 741 0x0: psubb_Pq_Qq(); 742 0x1: psubw_Pq_Qq(); 743 0x2: psubd_Pq_Qq(); 744 0x3: psubq_Pq_Qq(); 745 0x4: paddb_Pq_Qq(); 746 0x5: paddw_Pq_Qq(); 747 0x6: paddd_Pq_Qq(); 748 0x7: Inst::UD2(); 749 } 750 // operand size (0x66) 751 0x1: decode OPCODE_OP_BOTTOM3 { 752 0x0: psubb_Vo_Wo(); 753 0x1: psubw_Vo_Wo(); 754 0x2: psubd_Vo_Wo(); 755 0x3: psubq_Vo_Wo(); 756 0x4: paddb_Vo_Wo(); 757 0x5: paddw_Vo_Wo(); 758 0x6: paddd_Vo_Wo(); 759 0x7: Inst::UD2(); 760 } 761 default: Inst::UD2(); 762 } 763 default: FailUnimpl::twoByteOps(); 764 } 765 } 766 default: M5InternalError::error( 767 {{"Unexpected first opcode byte in two byte opcode!"}}); 768} 769