two_byte_opcodes.isa revision 5058:be23162b7370
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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 // repne (0xF2) 287 0x8: decode OPCODE_OP_BOTTOM3 { 288 0x1: sqrtsd_Vq_Wq(); 289 default: Inst::UD2(); 290 } 291 default: Inst::UD2(); 292 } 293 0x0B: decode LEGACY_DECODEVAL { 294 // no prefix 295 0x0: decode OPCODE_OP_BOTTOM3 { 296 0x0: addps_Vo_Wo(); 297 0x1: mulps_Vo_Wo(); 298 0x2: cvtps2pd_Vo_Wq(); 299 0x3: cvtdq2ps_Vo_Wo(); 300 0x4: subps_Vo_Wo(); 301 0x5: minps_Vo_Wo(); 302 0x6: divps_Vo_Wo(); 303 0x7: maxps_Vo_Wo(); 304 } 305 // repe (0xF3) 306 0x4: decode OPCODE_OP_BOTTOM3 { 307 0x0: addss_Vd_Wd(); 308 0x1: mulss_Vd_Wd(); 309 0x2: cvtss2sd_Vq_Wd(); 310 0x3: cvttps2dq_Vo_Wo(); 311 0x4: subss_Vd_Wd(); 312 0x5: minss_Vd_Wd(); 313 0x6: divss_Vd_Wd(); 314 0x7: maxss_Vd_Wd(); 315 } 316 // operand size (0x66) 317 0x1: decode OPCODE_OP_BOTTOM3 { 318 0x0: addpd_Vo_Wo(); 319 0x1: mulpd_Vo_Wo(); 320 0x2: cvtpd2ps_Vo_Wo(); 321 0x3: cvtps2dq_Vo_Wo(); 322 0x4: subpd_Vo_Wo(); 323 0x5: minpd_Vo_Wo(); 324 0x6: divpd_Vo_Wo(); 325 0x7: maxpd_Vo_Wo(); 326 } 327 // repne (0xF2) 328 0x8: decode OPCODE_OP_BOTTOM3 { 329 0x0: Inst::ADDSD(Vq,Wq); 330 0x1: Inst::MULSD(Vq,Wq); 331 0x2: cvtsd2ss_Vd_Wq(); 332 0x4: Inst::SUBSD(Vq,Wq); 333 0x5: minsd_Vq_Wq(); 334 0x6: Inst::DIVSD(Vq,Wq); 335 0x7: maxsd_Vq_Wq(); 336 default: Inst::UD2(); 337 } 338 default: Inst::UD2(); 339 } 340 0x0C: decode LEGACY_DECODEVAL { 341 // no prefix 342 0x0: decode OPCODE_OP_BOTTOM3 { 343 0x0: punpcklbw_Pq_Qd(); 344 0x1: punpcklwd_Pq_Qd(); 345 0x2: punpckldq_Pq_Qd(); 346 0x3: packsswb_Pq_Qq(); 347 0x4: pcmpgtb_Pq_Qq(); 348 0x5: pcmpgtw_Pq_Qq(); 349 0x6: pcmpgtd_Pq_Qq(); 350 0x7: packuswb_Pq_Qq(); 351 } 352 // operand size (0x66) 353 0x1: decode OPCODE_OP_BOTTOM3 { 354 0x0: punpcklbw_Vo_Wq(); 355 0x1: punpcklwd_Vo_Wq(); 356 0x2: punpckldq_Vo_Wq(); 357 0x3: packsswb_Vo_Wo(); 358 0x4: pcmpgtb_Vo_Wo(); 359 0x5: pcmpgtw_Vo_Wo(); 360 0x6: pcmpgtd_Vo_Wo(); 361 0x7: packuswb_Vo_Wo(); 362 } 363 default: Inst::UD2(); 364 } 365 0x0D: decode LEGACY_DECODEVAL { 366 // no prefix 367 0x0: decode OPCODE_OP_BOTTOM3 { 368 0x0: punpckhbw_Pq_Qq(); 369 0x1: punpckhwd_Pq_Qq(); 370 0x2: punpckhdq_Pq_Qq(); 371 0x3: packssdw_Pq_Qq(); 372 0x6: movd_Pq_Ed(); 373 0x7: movq_Pq_Qq(); 374 default: Inst::UD2(); 375 } 376 // repe (0xF3) 377 0x4: decode OPCODE_OP_BOTTOM3 { 378 0x7: movdqu_Vo_Wo(); 379 default: Inst::UD2(); 380 } 381 // operand size (0x66) 382 0x1: decode OPCODE_OP_BOTTOM3 { 383 0x0: punpckhbw_Vo_Wo(); 384 0x1: punpckhwd_Vo_Wo(); 385 0x2: punpckhdq_Vo_Wo(); 386 0x3: packssdw_Vo_Wo(); 387 0x4: punpcklqdq_Vo_Wq(); 388 0x5: punpcklqdq_Vo_Wq(); 389 0x6: movd_Vo_Ed(); 390 0x7: movdqa_Vo_Wo(); 391 } 392 default: Inst::UD2(); 393 } 394 0x0E: decode LEGACY_DECODEVAL { 395 // no prefix 396 0x0: decode OPCODE_OP_BOTTOM3 { 397 0x0: pshufw_Pq_Qq_Ib(); 398 0x1: group13_pshimw(); 399 0x2: group14_pshimd(); 400 0x3: group15_pshimq(); 401 0x4: pcmpeqb_Pq_Qq(); 402 0x5: pcmpeqw_Pq_Qq(); 403 0x6: pcmpeqd_Pq_Qq(); 404 0x7: emms(); 405 } 406 // repe (0xF3) 407 0x4: decode OPCODE_OP_BOTTOM3 { 408 0x0: pshufhw_Vo_Wo_Ib(); 409 default: Inst::UD2(); 410 } 411 // operand size (0x66) 412 0x1: decode OPCODE_OP_BOTTOM3 { 413 0x0: pshufd_Vo_Wo_Ib(); 414 0x1: group13_pshimw(); 415 0x2: group14_pshimd(); 416 0x3: group15_pshimq_dq(); 417 0x4: pcmpeqb_Vo_Wo(); 418 0x5: pcmpeqw_Vo_Wo(); 419 0x6: pcmpeqd_Vo_Wo(); 420 default: Inst::UD2(); 421 } 422 // repne (0xF2) 423 0x8: decode OPCODE_OP_BOTTOM3 { 424 0x0: pshuflw_Vo_Wo_Ib(); 425 default: Inst::UD2(); 426 } 427 default: Inst::UD2(); 428 } 429 0x0F: decode LEGACY_DECODEVAL { 430 // no prefix 431 0x0: decode OPCODE_OP_BOTTOM3 { 432 0x0: vmread_Ed_or_Eq_Gd_or_Gq(); 433 0x1: vmwrite_Gd_or_Gq_Ed_or_Eq(); 434 0x6: mov_Ed_Pd(); 435 0x7: mov_Qq_Pq(); 436 default: Inst::UD2(); 437 } 438 // repe (0xF3) 439 0x4: decode OPCODE_OP_BOTTOM3 { 440 0x6: movq_Vo_Mq_or_Vq_Vq(); 441 0x7: movdqu_Wo_Vo(); 442 default: Inst::UD2(); 443 } 444 // operand size (0x66) 445 0x1: decode OPCODE_OP_BOTTOM3 { 446 0x4: haddpd_Vo_Wo(); 447 0x5: hsubpd_Vo_Wo(); 448 0x6: movd_Ed_Vd(); 449 0x7: movdqa_Wo_Vo(); 450 default: Inst::UD2(); 451 } 452 // repne (0xF2) 453 0x8: decode OPCODE_OP_BOTTOM3 { 454 0x4: haddps_Vo_Wo(); 455 0x5: hsubps_Vo_Wo(); 456 default: Inst::UD2(); 457 } 458 default: Inst::UD2(); 459 } 460 format Inst { 461 0x10: decode OPCODE_OP_BOTTOM3 { 462 0x0: JO(Jz); 463 0x1: JNO(Jz); 464 0x2: JB(Jz); 465 0x3: JNB(Jz); 466 0x4: JZ(Jz); 467 0x5: JNZ(Jz); 468 0x6: JBE(Jz); 469 0x7: JNBE(Jz); 470 } 471 0x11: decode OPCODE_OP_BOTTOM3 { 472 0x0: JS(Jz); 473 0x1: JNS(Jz); 474 0x2: JP(Jz); 475 0x3: JNP(Jz); 476 0x4: JL(Jz); 477 0x5: JNL(Jz); 478 0x6: JLE(Jz); 479 0x7: JNLE(Jz); 480 } 481 0x12: decode OPCODE_OP_BOTTOM3 { 482 0x0: SETO(Eb); 483 0x1: SETNO(Eb); 484 0x2: SETB(Eb); 485 0x3: SETNB(Eb); 486 0x4: SETZ(Eb); 487 0x5: SETNZ(Eb); 488 0x6: SETBE(Eb); 489 0x7: SETNBE(Eb); 490 } 491 0x13: decode OPCODE_OP_BOTTOM3 { 492 0x0: SETS(Eb); 493 0x1: SETNS(Eb); 494 0x2: SETP(Eb); 495 0x3: SETNP(Eb); 496 0x4: SETL(Eb); 497 0x5: SETNL(Eb); 498 0x6: SETLE(Eb); 499 0x7: SETNLE(Eb); 500 } 501 } 502 0x14: decode OPCODE_OP_BOTTOM3 { 503 0x0: push_fs(); 504 0x1: pop_fs(); 505 0x2: Inst::CPUID(rAd); 506 0x3: bt_Ev_Gv(); 507 0x4: shld_Ev_Gv_Ib(); 508 0x5: shld_Ev_Gv_rCl(); 509 0x6: xbts_and_cmpxchg(); 510 0x7: ibts_and_cmpxchg(); 511 } 512 0x15: decode OPCODE_OP_BOTTOM3 { 513 0x0: push_gs(); 514 0x1: pop_gs(); 515 0x2: rsm_smm(); 516 0x3: bts_Ev_Gv(); 517 0x4: shrd_Ev_Gv_Ib(); 518 0x5: shrd_Ev_Gv_rCl(); 519 0x6: group16(); 520 0x7: Inst::IMUL(Gv,Ev); 521 } 522 0x16: decode OPCODE_OP_BOTTOM3 { 523 0x0: Inst::CMPXCHG(Eb,Gb); 524 0x1: Inst::CMPXCHG(Ev,Gv); 525 0x2: lss_Gz_Mp(); 526 0x3: btr_Ev_Gv(); 527 0x4: lfs_Gz_Mp(); 528 0x5: lgs_Gz_Mp(); 529 //The size of the second operand in these instructions should 530 //really be "b" or "w", but it's set to v in order to have a 531 //consistent register size. This shouldn't affect behavior. 532 0x6: Inst::MOVZX_B(Gv,Ev); 533 0x7: Inst::MOVZX_W(Gv,Ev); 534 } 535 0x17: decode OPCODE_OP_BOTTOM3 { 536 0x0: jmpe_Jz(); // IA-64? 537 0x1: group11_UD2(); 538 0x2: group8_Ev_Ib(); 539 0x3: btc_Ev_Gv(); 540 0x4: bsf_Gv_Ev(); 541 0x5: bsr_Gv_Ev(); 542 //The size of the second operand in these instructions should 543 //really be "b" or "w", but it's set to v in order to have a 544 //consistent register size. This shouldn't affect behavior. 545 0x6: Inst::MOVSX_B(Gv,Ev); 546 0x7: Inst::MOVSX_W(Gv,Ev); 547 } 548 0x18: decode OPCODE_OP_BOTTOM3 { 549 0x0: xadd_Eb_Gb(); 550 0x1: xadd_Ev_Gv(); 551 0x7: group9(); 552 default: decode LEGACY_DECODEVAL { 553 // no prefix 554 0x0: decode OPCODE_OP_BOTTOM3 { 555 0x2: cmpccps_Vo_Wo_Ib(); 556 0x3: cvtdq2ps_Vo_Wo(); 557 0x4: subps_Vo_Wo(); 558 0x5: minps_Vo_Wo(); 559 0x6: divps_Vo_Wo(); 560 } 561 // repe (0xF3) 562 0x4: decode OPCODE_OP_BOTTOM3 { 563 0x2: cmpccss_Vd_Wd_Ib(); 564 default: Inst::UD2(); 565 } 566 // operand size (0x66) 567 0x1: decode OPCODE_OP_BOTTOM3 { 568 0x2: cmpccpd_Vo_Wo_Ib(); 569 0x4: subpd_Vo_Wo(); 570 0x5: minpd_Vo_Wo(); 571 0x6: divpd_Vo_Wo(); 572 default: Inst::UD2(); 573 } 574 // repne (0xF2) 575 0x8: decode OPCODE_OP_BOTTOM3 { 576 0x2: cmpccsd_Vq_Wq_Ib(); 577 default: Inst::UD2(); 578 } 579 default: Inst::UD2(); 580 } 581 } 582 0x19: bswap_B(); 583 0x1A: decode LEGACY_DECODEVAL { 584 // no prefix 585 0x0: decode OPCODE_OP_BOTTOM3 { 586 0x1: psrlw_Pq_Qq(); 587 0x2: psrld_Pq_Qq(); 588 0x3: psrlq_Pq_Qq(); 589 0x4: paddq_Pq_Qq(); 590 0x5: pmullw_Pq_Qq(); 591 0x7: pmovmskb_Gd_PRq(); 592 default: Inst::UD2(); 593 } 594 // repe (0xF3) 595 0x4: decode OPCODE_OP_BOTTOM3 { 596 0x6: movq2dq_Vo_PRq(); 597 default: Inst::UD2(); 598 } 599 // operand size (0x66) 600 0x1: decode OPCODE_OP_BOTTOM3 { 601 0x0: addsubpd_Vo_Wo(); 602 0x1: psrlw_Vo_Wo(); 603 0x2: psrld_Vo_Wo(); 604 0x3: psrlq_Vo_Wo(); 605 0x4: paddq_Vo_Wo(); 606 0x5: pmullw_Vo_Wo(); 607 0x6: decode MODRM_MOD { 608 0x3: movq_Vq_Vq(); 609 default: movq_Mq_Vq(); 610 } 611 0x7: pmovmskb_Gd_VRo(); 612 } 613 // repne (0xF2) 614 0x8: decode OPCODE_OP_BOTTOM3 { 615 0x0: addsubps_Vo_Wo(); 616 0x6: movdq2q_Pq_VRq(); 617 default: Inst::UD2(); 618 } 619 default: Inst::UD2(); 620 } 621 0x1B: decode LEGACY_DECODEVAL { 622 // no prefix 623 0x0: decode OPCODE_OP_BOTTOM3 { 624 0x0: psubusb_Pq_Qq(); 625 0x1: psubusw_Pq_Qq(); 626 0x2: pminub_Pq_Qq(); 627 0x3: pand_Pq_Qq(); 628 0x4: paddusb_Pq_Qq(); 629 0x5: paddusw_Pq_Qq(); 630 0x6: pmaxub_Pq_Qq(); 631 0x7: pandn_Pq_Qq(); 632 } 633 // operand size (0x66) 634 0x1: decode OPCODE_OP_BOTTOM3 { 635 0x0: psubusb_Vo_Wo(); 636 0x1: psubusw_Vo_Wo(); 637 0x2: pminub_Vo_Wo(); 638 0x3: pand_Vo_Wo(); 639 0x4: paddusb_Vo_Wo(); 640 0x5: paddusw_Vo_Wo(); 641 0x6: pmaxub_Vo_Wo(); 642 0x7: pandn_Vo_Wo(); 643 } 644 default: Inst::UD2(); 645 } 646 0x1C: decode LEGACY_DECODEVAL { 647 // no prefix 648 0x0: decode OPCODE_OP_BOTTOM3 { 649 0x0: pavgb_Pq_Qq(); 650 0x1: psraw_Pq_Qq(); 651 0x2: psrad_Pq_Qq(); 652 0x3: pavgw_Pq_Qq(); 653 0x4: pmulhuw_Pq_Qq(); 654 0x5: pmulhw_Pq_Qq(); 655 0x7: movntq_Mq_Pq(); 656 default: Inst::UD2(); 657 } 658 // repe (0xF3) 659 0x4: decode OPCODE_OP_BOTTOM3 { 660 0x6: cvtdq2pd_Vo_Wq(); 661 default: Inst::UD2(); 662 } 663 // operand size (0x66) 664 0x1: decode OPCODE_OP_BOTTOM3 { 665 0x0: pavgb_Vo_Wo(); 666 0x1: psraw_Vo_Wo(); 667 0x2: psrad_Vo_Wo(); 668 0x3: pavgw_Vo_Wo(); 669 0x4: pmulhuw_Vo_Wo(); 670 0x5: pmulhw_Vo_Wo(); 671 0x6: cvttpd2dq_Vo_Wo(); 672 0x7: movntdq_Mo_Vo(); 673 } 674 // repne (0xF2) 675 0x8: decode OPCODE_OP_BOTTOM3 { 676 0x6: cvtpd2dq_Vo_Wo(); 677 default: Inst::UD2(); 678 } 679 default: Inst::UD2(); 680 } 681 0x1D: decode LEGACY_DECODEVAL { 682 // no prefix 683 0x0: decode OPCODE_OP_BOTTOM3 { 684 0x0: psubsb_Pq_Qq(); 685 0x1: psubsw_Pq_Qq(); 686 0x2: pminsw_Pq_Qq(); 687 0x3: por_Pq_Qq(); 688 0x4: paddsb_Pq_Qq(); 689 0x5: paddsw_Pq_Qq(); 690 0x6: pmaxsw_Pq_Qq(); 691 0x7: pxor_Pq_Qq(); 692 } 693 // operand size (0x66) 694 0x1: decode OPCODE_OP_BOTTOM3 { 695 0x0: psubsb_Vo_Wo(); 696 0x1: psubsw_Vo_Wo(); 697 0x2: pminsw_Vo_Wo(); 698 0x3: por_Vo_Wo(); 699 0x4: paddsb_Vo_Wo(); 700 0x5: paddsw_Vo_Wo(); 701 0x6: pmaxsw_Vo_Wo(); 702 0x7: pxor_Vo_Wo(); 703 } 704 default: Inst::UD2(); 705 } 706 0x1E: decode OPCODE_OP_BOTTOM3 { 707 // no prefix 708 0x0: decode OPCODE_OP_BOTTOM3 { 709 0x1: psllw_Pq_Qq(); 710 0x2: pslld_Pq_Qq(); 711 0x3: psllq_Pq_Qq(); 712 0x4: pmuludq_Pq_Qq(); 713 0x5: pmaddwd_Pq_Qq(); 714 0x6: psadbw_Pq_Qq(); 715 0x7: maskmovq_Pq_PRq(); 716 default: Inst::UD2(); 717 } 718 // operand size (0x66) 719 0x1: decode OPCODE_OP_BOTTOM3 { 720 0x1: psllw_Vo_Wo(); 721 0x2: pslld_Vo_Wo(); 722 0x3: psllq_Vo_Wo(); 723 0x4: pmuludq_Vo_Wo(); 724 0x5: pmaddwd_Vo_Wo(); 725 0x6: psadbw_Vo_Wo(); 726 0x7: maskmovdqu_Vo_VRo(); 727 default: Inst::UD2(); 728 } 729 // repne (0xF2) 730 0x8: decode OPCODE_OP_BOTTOM3 { 731 0x0: lddqu_Vo_Mo(); 732 default: Inst::UD2(); 733 } 734 default: Inst::UD2(); 735 } 736 0x1F: decode LEGACY_DECODEVAL { 737 // no prefix 738 0x0: decode OPCODE_OP_BOTTOM3 { 739 0x0: psubb_Pq_Qq(); 740 0x1: psubw_Pq_Qq(); 741 0x2: psubd_Pq_Qq(); 742 0x3: psubq_Pq_Qq(); 743 0x4: paddb_Pq_Qq(); 744 0x5: paddw_Pq_Qq(); 745 0x6: paddd_Pq_Qq(); 746 0x7: Inst::UD2(); 747 } 748 // operand size (0x66) 749 0x1: decode OPCODE_OP_BOTTOM3 { 750 0x0: psubb_Vo_Wo(); 751 0x1: psubw_Vo_Wo(); 752 0x2: psubd_Vo_Wo(); 753 0x3: psubq_Vo_Wo(); 754 0x4: paddb_Vo_Wo(); 755 0x5: paddw_Vo_Wo(); 756 0x6: paddd_Vo_Wo(); 757 0x7: Inst::UD2(); 758 } 759 default: Inst::UD2(); 760 } 761 default: FailUnimpl::twoByteOps(); 762 } 763 } 764 default: M5InternalError::error( 765 {{"Unexpected first opcode byte in two byte opcode!"}}); 766} 767