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arch-x86: fix CondInst decoding for MOV to Control Registers
[gem5.git] / src / arch / x86 / isa / decoder / two_byte_opcodes.isa
1 // Copyright (c) 2007-2008 The Hewlett-Packard Development Company
2 // Copyright (c) 2012-2013 AMD
3 // All rights reserved.
4 //
5 // The license below extends only to copyright in the software and shall
6 // not be construed as granting a license to any other intellectual
7 // property including but not limited to intellectual property relating
8 // to a hardware implementation of the functionality of the software
9 // licensed hereunder. You may use the software subject to the license
10 // terms below provided that you ensure that this notice is replicated
11 // unmodified and in its entirety in all distributions of the software,
12 // modified or unmodified, in source code or in binary form.
13 //
14 // Copyright (c) 2008 The Regents of The University of Michigan
15 // All rights reserved.
16 //
17 // Redistribution and use in source and binary forms, with or without
18 // modification, are permitted provided that the following conditions are
19 // met: redistributions of source code must retain the above copyright
20 // notice, this list of conditions and the following disclaimer;
21 // redistributions in binary form must reproduce the above copyright
22 // notice, this list of conditions and the following disclaimer in the
23 // documentation and/or other materials provided with the distribution;
24 // neither the name of the copyright holders nor the names of its
25 // contributors may be used to endorse or promote products derived from
26 // this software without specific prior written permission.
27 //
28 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 //
40 // Authors: Gabe Black
41
42 ////////////////////////////////////////////////////////////////////
43 //
44 // Decode the two byte opcodes
45 //
46 'X86ISA::TwoByteOpcode': decode OPCODE_OP_TOP5 {
47 format WarnUnimpl {
48 0x00: decode OPCODE_OP_BOTTOM3 {
49 //0x00: group6();
50 0x00: decode MODRM_REG {
51 0x0: sldt_Mw_or_Rv();
52 0x1: str_Mw_or_Rv();
53 0x2: Inst::LLDT(Ew);
54 0x3: Inst::LTR(Ew);
55 0x4: verr_Mw_or_Rv();
56 0x5: verw_Mw_or_Rv();
57 //0x6: jmpe_Ev(); // IA-64
58 default: Inst::UD2();
59 }
60 //0x01: group7(); // Ugly, ugly, ugly...
61 0x01: decode MODRM_REG {
62 0x0: decode MODRM_MOD {
63 0x3: decode MODRM_RM {
64 0x1: vmcall();
65 0x2: vmlaunch();
66 0x3: vmresume();
67 0x4: vmxoff();
68 default: Inst::UD2();
69 }
70 default: sgdt_Ms();
71 }
72 0x1: decode MODRM_MOD {
73 0x3: decode MODRM_RM {
74 0x0: MonitorInst::monitor({{
75 xc->armMonitor(Rax);
76 }});
77 0x1: MwaitInst::mwait({{
78 uint64_t m = 0; //mem
79 unsigned s = 0x8; //size
80 unsigned f = 0; //flags
81 readMemAtomic(xc, traceData,
82 xc->getAddrMonitor()->vAddr,
83 m, s, f);
84 xc->mwaitAtomic(xc->tcBase());
85 MicroHalt hltObj(machInst, mnemonic, 0x0);
86 hltObj.execute(xc, traceData);
87 }});
88 default: Inst::UD2();
89 }
90 default: sidt_Ms();
91 }
92 0x2: decode MODRM_MOD {
93 0x3: decode MODRM_RM {
94 0x0: xgetbv();
95 0x1: xsetbv();
96 }
97 default: decode MODE_SUBMODE {
98 0x0: Inst::LGDT(M);
99 default: decode OPSIZE {
100 // 16 bit operand sizes are special, but only
101 // in legacy and compatability modes.
102 0x2: Inst::LGDT_16(M);
103 default: Inst::LGDT(M);
104 }
105 }
106 }
107 0x3: decode MODRM_MOD {
108 0x3: decode MODRM_RM {
109 0x0: vmrun();
110 0x1: vmmcall();
111 0x2: vmload();
112 0x3: vmsave();
113 0x4: stgi();
114 0x5: clgi();
115 0x6: skinit();
116 0x7: invlpga();
117 }
118 default: decode MODE_SUBMODE {
119 0x0: Inst::LIDT(M);
120 default: decode OPSIZE {
121 // 16 bit operand sizes are special, but only
122 // in legacy and compatability modes.
123 0x2: Inst::LIDT_16(M);
124 default: Inst::LIDT(M);
125 }
126 }
127 }
128 0x4: decode MODRM_MOD {
129 0x3: Inst::SMSW(Rv);
130 default: Inst::SMSW(Mw);
131 }
132 0x6: Inst::LMSW(Ew);
133 0x7: decode MODRM_MOD {
134 0x3: decode MODRM_RM {
135 0x0: Inst::SWAPGS();
136 0x1: rdtscp();
137 default: Inst::UD2();
138 }
139 default: Inst::INVLPG(M);
140 }
141 }
142 0x02: lar_Gv_Ew();
143 0x03: lsl_Gv_Ew();
144 // sandpile.org doesn't seem to know what this is...? We'll
145 // use it for pseudo instructions. We've got 16 bits of space
146 // to play with so there can be quite a few pseudo
147 // instructions.
148 //0x04: loadall_or_reset_or_hang();
149 0x4: decode IMMEDIATE {
150 format BasicOperate {
151 0x00: m5arm({{
152 PseudoInst::arm(xc->tcBase());
153 }}, IsNonSpeculative);
154 0x01: m5quiesce({{
155 PseudoInst::quiesce(xc->tcBase());
156 }}, IsNonSpeculative, IsQuiesce);
157 0x02: m5quiesceNs({{
158 PseudoInst::quiesceNs(xc->tcBase(), Rdi);
159 }}, IsNonSpeculative, IsQuiesce);
160 0x03: m5quiesceCycle({{
161 PseudoInst::quiesceCycles(xc->tcBase(), Rdi);
162 }}, IsNonSpeculative, IsQuiesce);
163 0x04: m5quiesceTime({{
164 Rax = PseudoInst::quiesceTime(xc->tcBase());
165 }}, IsNonSpeculative);
166 0x07: m5rpns({{
167 Rax = PseudoInst::rpns(xc->tcBase());
168 }}, IsNonSpeculative);
169 0x21: m5exit({{
170 PseudoInst::m5exit(xc->tcBase(), Rdi);
171 }}, IsNonSpeculative);
172 0x22: m5fail({{
173 PseudoInst::m5fail(xc->tcBase(), Rdi, Rsi);
174 }}, IsNonSpeculative);
175 0x30: m5initparam({{
176 Rax = PseudoInst::initParam(xc->tcBase(), Rdi, Rsi);
177 }}, IsNonSpeculative);
178 0x31: m5loadsymbol({{
179 PseudoInst::loadsymbol(xc->tcBase());
180 }}, IsNonSpeculative);
181 0x40: m5resetstats({{
182 PseudoInst::resetstats(xc->tcBase(), Rdi, Rsi);
183 }}, IsNonSpeculative);
184 0x41: m5dumpstats({{
185 PseudoInst::dumpstats(xc->tcBase(), Rdi, Rsi);
186 }}, IsNonSpeculative);
187 0x42: m5dumpresetstats({{
188 PseudoInst::dumpresetstats(xc->tcBase(), Rdi, Rsi);
189 }}, IsNonSpeculative);
190 0x43: m5checkpoint({{
191 PseudoInst::m5checkpoint(xc->tcBase(), Rdi, Rsi);
192 }}, IsNonSpeculative);
193 0x50: m5readfile({{
194 Rax = PseudoInst::readfile(
195 xc->tcBase(), Rdi, Rsi, Rdx);
196 }}, IsNonSpeculative);
197 0x51: m5debugbreak({{
198 PseudoInst::debugbreak(xc->tcBase());
199 }}, IsNonSpeculative);
200 0x52: m5switchcpu({{
201 PseudoInst::switchcpu(xc->tcBase());
202 }}, IsNonSpeculative);
203 0x53: m5addsymbol({{
204 PseudoInst::addsymbol(xc->tcBase(), Rdi, Rsi);
205 }}, IsNonSpeculative);
206 0x54: m5panic({{
207 panic("M5 panic instruction called at pc = %#x.\n",
208 RIP);
209 }}, IsNonSpeculative);
210 0x55: m5reserved1({{
211 warn("M5 reserved opcode 1 ignored.\n");
212 }}, IsNonSpeculative);
213 0x56: m5reserved2({{
214 warn("M5 reserved opcode 2 ignored.\n");
215 }}, IsNonSpeculative);
216 0x57: m5reserved3({{
217 warn("M5 reserved opcode 3 ignored.\n");
218 }}, IsNonSpeculative);
219 0x58: m5reserved4({{
220 warn("M5 reserved opcode 4 ignored.\n");
221 }}, IsNonSpeculative);
222 0x59: m5reserved5({{
223 warn("M5 reserved opcode 5 ignored.\n");
224 }}, IsNonSpeculative);
225 0x5a: m5_work_begin({{
226 PseudoInst::workbegin(xc->tcBase(), Rdi, Rsi);
227 }}, IsNonSpeculative);
228 0x5b: m5_work_end({{
229 PseudoInst::workend(xc->tcBase(), Rdi, Rsi);
230 }}, IsNonSpeculative);
231 0x62: m5togglesync({{
232 PseudoInst::togglesync(xc->tcBase());
233 }}, IsNonSpeculative, IsQuiesce);
234 default: Inst::UD2();
235 }
236 }
237 0x05: decode FullSystemInt {
238 0: SyscallInst::syscall('xc->syscall(Rax, &fault)',
239 IsSyscall, IsNonSpeculative,
240 IsSerializeAfter);
241 default: decode MODE_MODE {
242 0x0: decode MODE_SUBMODE {
243 0x0: Inst::SYSCALL_64();
244 0x1: Inst::SYSCALL_COMPAT();
245 }
246 0x1: Inst::SYSCALL_LEGACY();
247 }
248 }
249 0x06: Inst::CLTS();
250 0x07: decode MODE_SUBMODE {
251 0x0: decode OPSIZE {
252 // Return to 64 bit mode.
253 0x8: Inst::SYSRET_TO_64();
254 // Return to compatibility mode.
255 default: Inst::SYSRET_TO_COMPAT();
256 }
257 default: Inst::SYSRET_NON_64();
258 }
259 }
260 0x01: decode OPCODE_OP_BOTTOM3 {
261 0x0: invd();
262 0x1: wbinvd();
263 0x2: Inst::UD2();
264 0x3: Inst::UD2();
265 0x4: Inst::UD2();
266 0x5: Inst::PREFETCH(Mb);
267 0x6: FailUnimpl::femms();
268 0x7: decode IMMEDIATE {
269 0x0C: pi2fw_Pq_Qq();
270 0x0D: pi2fd_Pq_Qq();
271 0x1C: pf2iw_Pq_Qq();
272 0x1D: pf2id_Pq_Qq();
273 0x8A: pfnacc_Pq_Qq();
274 0x8E: pfpnacc_Pq_Qq();
275 0x90: pfcmpge_Pq_Qq();
276 0x94: pfmin_Pq_Qq();
277 0x96: pfrcp_Pq_Qq();
278 0x97: pfrsqrt_Pq_Qq();
279 0x9A: Inst::PFSUB(Pq,Qq);
280 0x9E: pfadd_Pq_Qq();
281 0xA0: pfcmpgt_Pq_Qq();
282 0xA4: pfmax_Pq_Qq();
283 0xA6: pfrcpit1_Pq_Qq();
284 0xA7: pfrsqit1_Pq_Qq();
285 0xAA: Inst::PFSUBR(Pq,Qq);
286 0xAE: pfacc_Pq_Qq();
287 0xB0: pfcmpeq_Pq_Qq();
288 0xB4: Inst::PFMUL(Pq,Qq);
289 0xB6: pfrcpit2_Pq_Qq();
290 0xB7: Inst::PMULHRW(Pq,Qq);
291 0xBB: pswapd_Pq_Qq();
292 0xBF: pavgusb_Pq_Qq();
293 default: Inst::UD2();
294 }
295 }
296 format Inst{
297 0x02: decode LEGACY_DECODEVAL {
298 // no prefix
299 0x0: decode OPCODE_OP_BOTTOM3 {
300 0x0: MOVUPS(Vo,Wo);
301 0x1: MOVUPS(Wo,Vo);
302 0x2: decode MODRM_MOD {
303 0x3: MOVHLPS(Vps,VRq);
304 default: MOVLPS(Vps,Mq);
305 }
306 0x3: MOVLPS(Mq,Vps);
307 0x4: UNPCKLPS(Vps,Wq);
308 0x5: UNPCKHPS(Vps,Wq);
309 0x6: decode MODRM_MOD {
310 0x3: MOVLHPS(Vps,VRq);
311 default: MOVHPS(Vps,Mq);
312 }
313 0x7: MOVHPS(Mq,Vq);
314 }
315 // repe (0xF3)
316 0x4: decode OPCODE_OP_BOTTOM3 {
317 0x0: MOVSS(Vd,Wd);
318 0x1: MOVSS(Wd,Vd);
319 0x2: WarnUnimpl::movsldup_Vo_Wo();
320 0x6: WarnUnimpl::movshdup_Vo_Wo();
321 default: UD2();
322 }
323 // operand size (0x66)
324 0x1: decode OPCODE_OP_BOTTOM3 {
325 0x0: MOVUPD(Vo,Wo);
326 0x1: MOVUPD(Wo,Vo);
327 0x2: MOVLPD(Vq,Mq);
328 0x3: MOVLPD(Mq,Vq);
329 0x4: UNPCKLPD(Vo,Wq);
330 0x5: UNPCKHPD(Vo,Wo);
331 0x6: MOVHPD(Vq,Mq);
332 0x7: MOVHPD(Mq,Vq);
333 }
334 // repne (0xF2)
335 0x8: decode OPCODE_OP_BOTTOM3 {
336 0x0: MOVSD(Vq,Wq);
337 0x1: MOVSD(Wq,Vq);
338 0x2: MOVDDUP(Vo,Wq);
339 default: UD2();
340 }
341 default: UD2();
342 }
343 0x03: decode OPCODE_OP_BOTTOM3 {
344 //group16();
345 0x0: decode MODRM_REG {
346 0x0: WarnUnimpl::prefetch_nta();
347 0x1: PREFETCH_T0(Mb);
348 0x2: WarnUnimpl::prefetch_t1();
349 0x3: WarnUnimpl::prefetch_t2();
350 default: HINT_NOP();
351 }
352 0x1: HINT_NOP();
353 0x2: HINT_NOP();
354 0x3: HINT_NOP();
355 0x4: HINT_NOP();
356 0x5: HINT_NOP();
357 0x6: HINT_NOP();
358 0x7: HINT_NOP();
359 }
360 0x04: decode LEGACY_DECODEVAL {
361 // no prefix
362 0x0: decode OPCODE_OP_BOTTOM3 {
363 0x0: CondInst::MOV(
364 {{isValidMiscReg(MISCREG_CR(MODRM_REG))}},Rd,Cd);
365 0x1: MOV(Rd,Dd);
366 0x2: CondInst::MOV(
367 {{isValidMiscReg(MISCREG_CR(MODRM_REG))}},Cd,Rd);
368 0x3: MOV(Dd,Rd);
369 default: UD2();
370 }
371 // operand size (0x66)
372 0x1: decode OPCODE_OP_BOTTOM3 {
373 0x0: MOV(Rd,Cd);
374 0x2: MOV(Cd,Rd);
375 }
376 default: UD2();
377 }
378 0x05: decode LEGACY_DECODEVAL {
379 // no prefix
380 0x0: decode OPCODE_OP_BOTTOM3 {
381 //These moves should really use size o (octword), but
382 //because they are split in two, they use q (quadword).
383 0x0: MOVAPS(Vq,Wq);
384 0x1: MOVAPS(Wq,Vq);
385 0x2: CVTPI2PS(Vq,Qq);
386 0x3: WarnUnimpl::movntps_Mo_Vo();
387 0x4: CVTTPS2PI(Pq,Wq);
388 0x5: CVTPS2PI(Pq,Wq);
389 0x6: UCOMISS(Vd,Wd);
390 0x7: COMISS(Vd,Wd);
391 }
392 // repe (0xF3)
393 0x4: decode OPCODE_OP_BOTTOM3 {
394 0x2: CVTSI2SS(Vd,Ed);
395 0x4: CVTTSS2SI(Gd,Wd);
396 0x5: CVTSS2SI(Gd,Wd);
397 default: UD2();
398 }
399 // operand size (0x66)
400 0x1: decode OPCODE_OP_BOTTOM3 {
401 0x0: MOVAPD(Vo,Wo);
402 0x1: MOVAPD(Wo,Vo);
403 0x2: CVTPI2PD(Vo,Qq);
404 0x3: WarnUnimpl::movntpd_Mo_Vo();
405 0x4: CVTTPD2PI(Pq,Wo);
406 0x5: CVTPD2PI(Pq,Wo);
407 0x6: UCOMISD(Vq,Wq);
408 0x7: COMISD(Vq,Wq);
409 }
410 // repne (0xF2)
411 0x8: decode OPCODE_OP_BOTTOM3 {
412 // The size of the V operand should be q, not dp
413 0x2: CVTSI2SD(Vdp,Edp);
414 // The size of the W operand should be q, not dp
415 0x4: CVTTSD2SI(Gdp,Wdp);
416 0x5: CVTSD2SI(Gd,Wq);
417 default: UD2();
418 }
419 default: UD2();
420 }
421 }
422 0x06: decode OPCODE_OP_BOTTOM3 {
423 0x0: Inst::WRMSR();
424 0x1: Inst::RDTSC();
425 0x2: Inst::RDMSR();
426 0x3: rdpmc();
427 0x4: decode FullSystemInt {
428 0: SyscallInst::sysenter('xc->syscall(Rax, &fault)',
429 IsSyscall, IsNonSpeculative,
430 IsSerializeAfter);
431 default: sysenter();
432 }
433 0x5: sysexit();
434 0x6: Inst::UD2();
435 0x7: getsec();
436 }
437 0x07: decode OPCODE_OP_BOTTOM3 {
438 0x0: M5InternalError::error(
439 {{"Three byte opcode shouldn't be handled by "
440 "two_byte_opcodes.isa!"}});
441 0x2: M5InternalError::error(
442 {{"Three byte opcode shouldn't be handled by "
443 "two_byte_opcodes.isa!"}});
444 default: UD2();
445 }
446 format Inst {
447 0x08: decode OPCODE_OP_BOTTOM3 {
448 0x0: CMOVO(Gv,Ev);
449 0x1: CMOVNO(Gv,Ev);
450 0x2: CMOVB(Gv,Ev);
451 0x3: CMOVNB(Gv,Ev);
452 0x4: CMOVZ(Gv,Ev);
453 0x5: CMOVNZ(Gv,Ev);
454 0x6: CMOVBE(Gv,Ev);
455 0x7: CMOVNBE(Gv,Ev);
456 }
457 0x09: decode OPCODE_OP_BOTTOM3 {
458 0x0: CMOVS(Gv,Ev);
459 0x1: CMOVNS(Gv,Ev);
460 0x2: CMOVP(Gv,Ev);
461 0x3: CMOVNP(Gv,Ev);
462 0x4: CMOVL(Gv,Ev);
463 0x5: CMOVNL(Gv,Ev);
464 0x6: CMOVLE(Gv,Ev);
465 0x7: CMOVNLE(Gv,Ev);
466 }
467 0x0A: decode LEGACY_DECODEVAL {
468 // no prefix
469 0x0: decode OPCODE_OP_BOTTOM3 {
470 0x0: MOVMSKPS(Gd,VRo);
471 0x1: SQRTPS(Vo,Wo);
472 0x2: WarnUnimpl::rqsrtps_Vo_Wo();
473 0x3: RCPPS(Vo,Wo);
474 0x4: ANDPS(Vo,Wo);
475 0x5: ANDNPS(Vo,Wo);
476 0x6: ORPS(Vo,Wo);
477 0x7: XORPS(Vo,Wo);
478 }
479 // repe (0xF3)
480 0x4: decode OPCODE_OP_BOTTOM3 {
481 0x1: SQRTSS(Vd,Wd);
482 0x2: WarnUnimpl::rsqrtss_Vd_Wd();
483 0x3: RCPSS(Vd,Wd);
484 default: UD2();
485 }
486 // operand size (0x66)
487 0x1: decode OPCODE_OP_BOTTOM3 {
488 0x0: MOVMSKPD(Gd,VRo);
489 0x1: SQRTPD(Vo,Wo);
490 0x4: ANDPD(Vo,Wo);
491 0x5: ANDNPD(Vo,Wo);
492 0x6: ORPD(Vo,Wo);
493 0x7: XORPD(Vo,Wo);
494 default: UD2();
495 }
496 // repne (0xF2)
497 0x8: decode OPCODE_OP_BOTTOM3 {
498 0x1: SQRTSD(Vq,Wq);
499 default: UD2();
500 }
501 default: UD2();
502 }
503 0x0B: decode LEGACY_DECODEVAL {
504 // no prefix
505 0x0: decode OPCODE_OP_BOTTOM3 {
506 0x0: ADDPS(Vo,Wo);
507 0x1: MULPS(Vo,Wo);
508 0x2: CVTPS2PD(Vo,Wq);
509 0x3: CVTDQ2PS(Vo,Wo);
510 0x4: SUBPS(Vo,Wo);
511 0x5: MINPS(Vo,Wo);
512 0x6: DIVPS(Vo,Wo);
513 0x7: MAXPS(Vo,Wo);
514 }
515 // repe (0xF3)
516 0x4: decode OPCODE_OP_BOTTOM3 {
517 0x0: ADDSS(Vd,Wd);
518 0x1: MULSS(Vd,Wd);
519 0x2: CVTSS2SD(Vq,Wd);
520 0x3: CVTTPS2DQ(Vo,Wo);
521 0x4: SUBSS(Vd,Wd);
522 0x5: MINSS(Vd,Wd);
523 0x6: DIVSS(Vd,Wd);
524 0x7: MAXSS(Vd,Wd);
525 }
526 // operand size (0x66)
527 0x1: decode OPCODE_OP_BOTTOM3 {
528 0x0: ADDPD(Vo,Wo);
529 0x1: MULPD(Vo,Wo);
530 0x2: CVTPD2PS(Vo,Wo);
531 0x3: CVTPS2DQ(Vo,Wo);
532 0x4: SUBPD(Vo,Wo);
533 0x5: MINPD(Vo,Wo);
534 0x6: DIVPD(Vo,Wo);
535 0x7: MAXPD(Vo,Wo);
536 }
537 // repne (0xF2)
538 0x8: decode OPCODE_OP_BOTTOM3 {
539 0x0: ADDSD(Vq,Wq);
540 0x1: MULSD(Vq,Wq);
541 0x2: CVTSD2SS(Vd,Wq);
542 0x4: SUBSD(Vq,Wq);
543 0x5: MINSD(Vq,Wq);
544 0x6: DIVSD(Vq,Wq);
545 0x7: MAXSD(Vq,Wq);
546 default: UD2();
547 }
548 default: UD2();
549 }
550 0x0C: decode LEGACY_DECODEVAL {
551 // no prefix
552 0x0: decode OPCODE_OP_BOTTOM3 {
553 0x0: PUNPCKLBW(Pq,Qd);
554 0x1: PUNPCKLWD(Pq,Qd);
555 0x2: PUNPCKLDQ(Pq,Qd);
556 0x3: PACKSSWB(Pq,Qq);
557 0x4: PCMPGTB(Pq,Qq);
558 0x5: PCMPGTW(Pq,Qq);
559 0x6: PCMPGTD(Pq,Qq);
560 0x7: PACKUSWB(Pq,Qq);
561 }
562 // operand size (0x66)
563 0x1: decode OPCODE_OP_BOTTOM3 {
564 0x0: PUNPCKLBW(Vo,Wq);
565 0x1: PUNPCKLWD(Vo,Wq);
566 0x2: PUNPCKLDQ(Vo,Wq);
567 0x3: PACKSSWB(Vo,Wo);
568 0x4: PCMPGTB(Vo,Wo);
569 0x5: PCMPGTW(Vo,Wo);
570 0x6: PCMPGTD(Vo,Wo);
571 0x7: PACKUSWB(Vo,Wo);
572 }
573 default: UD2();
574 }
575 0x0D: decode LEGACY_DECODEVAL {
576 // no prefix
577 0x0: decode OPCODE_OP_BOTTOM3 {
578 0x0: PUNPCKHBW(Pq,Qq);
579 0x1: PUNPCKHWD(Pq,Qq);
580 0x2: PUNPCKHDQ(Pq,Qq);
581 0x3: PACKSSDW(Pq,Qq);
582 0x6: MOVD(Pq,Edp);
583 0x7: MOVQ(Pq,Qq);
584 default: UD2();
585 }
586 // repe (0xF3)
587 0x4: decode OPCODE_OP_BOTTOM3 {
588 0x7: MOVDQU(Vo,Wo);
589 default: UD2();
590 }
591 // operand size (0x66)
592 0x1: decode OPCODE_OP_BOTTOM3 {
593 0x0: PUNPCKHBW(Vo,Wo);
594 0x1: PUNPCKHWD(Vo,Wo);
595 0x2: PUNPCKHDQ(Vo,Wo);
596 0x3: PACKSSDW(Vo,Wo);
597 0x4: PUNPCKLQDQ(Vo,Wq);
598 0x5: PUNPCKHQDQ(Vo,Wq);
599 0x6: MOVD(Vo,Edp);
600 0x7: MOVDQA(Vo,Wo);
601 }
602 default: UD2();
603 }
604 0x0E: decode LEGACY_DECODEVAL {
605 // no prefix
606 0x0: decode OPCODE_OP_BOTTOM3 {
607 0x0: PSHUFW(Pq,Qq,Ib);
608 //0x1: group12_pshimw();
609 0x1: decode MODRM_REG {
610 0x2: PSRLW(PRq,Ib);
611 0x4: PSRAW(PRq,Ib);
612 0x6: PSLLW(PRq,Ib);
613 default: UD2();
614 }
615 //0x2: group13_pshimd();
616 0x2: decode MODRM_REG {
617 0x2: PSRLD(PRq,Ib);
618 0x4: PSRAD(PRq,Ib);
619 0x6: PSLLD(PRq,Ib);
620 default: UD2();
621 }
622 //0x3: group14_pshimq();
623 0x3: decode MODRM_REG {
624 0x2: PSRLQ(PRq,Ib);
625 0x6: PSLLQ(PRq,Ib);
626 default: Inst::UD2();
627 }
628 0x4: Inst::PCMPEQB(Pq,Qq);
629 0x5: Inst::PCMPEQW(Pq,Qq);
630 0x6: Inst::PCMPEQD(Pq,Qq);
631 0x7: Inst::EMMS();
632 }
633 // repe (0xF3)
634 0x4: decode OPCODE_OP_BOTTOM3 {
635 0x0: PSHUFHW(Vo,Wo,Ib);
636 default: UD2();
637 }
638 // operand size (0x66)
639 0x1: decode OPCODE_OP_BOTTOM3 {
640 0x0: PSHUFD(Vo,Wo,Ib);
641 //0x1: group12_pshimw();
642 0x1: decode MODRM_REG {
643 0x2: PSRLW(VRo,Ib);
644 0x4: PSRAW(VRo,Ib);
645 0x6: PSLLW(VRo,Ib);
646 }
647 //0x2: group13_pshimd();
648 0x2: decode MODRM_REG {
649 0x2: PSRLD(VRo,Ib);
650 0x4: PSRAD(VRo,Ib);
651 0x6: PSLLD(VRo,Ib);
652 default: UD2();
653 }
654 //0x3: group14_pshimq();
655 0x3: decode MODRM_REG {
656 0x2: PSRLQ(VRo,Ib);
657 0x3: PSRLDQ(VRo,Ib);
658 0x6: PSLLQ(VRo,Ib);
659 0x7: PSLLDQ(VRo,Ib);
660 default: UD2();
661 }
662 0x4: PCMPEQB(Vo,Wo);
663 0x5: PCMPEQW(Vo,Wo);
664 0x6: PCMPEQD(Vo,Wo);
665 default: UD2();
666 }
667 // repne (0xF2)
668 0x8: decode OPCODE_OP_BOTTOM3 {
669 0x0: PSHUFLW(Vo,Wo,Ib);
670 default: UD2();
671 }
672 default: UD2();
673 }
674 0x0F: decode LEGACY_DECODEVAL {
675 // no prefix
676 0x0: decode OPCODE_OP_BOTTOM3 {
677 0x0: WarnUnimpl::vmread_Edp_Gdp();
678 0x1: WarnUnimpl::vmwrite_Gdp_Edp();
679 0x6: MOVD(Edp,Pdp);
680 0x7: MOVQ(Qq,Pq);
681 default: UD2();
682 }
683 // repe (0xF3)
684 0x4: decode OPCODE_OP_BOTTOM3 {
685 0x6: MOVQ(Vq,Wq);
686 0x7: MOVDQU(Wo,Vo);
687 default: UD2();
688 }
689 // operand size (0x66)
690 0x1: decode OPCODE_OP_BOTTOM3 {
691 0x4: HADDPD(Vo,Wo);
692 0x5: WarnUnimpl::hsubpd_Vo_Wo();
693 0x6: MOVD(Edp,Vd);
694 0x7: MOVDQA(Wo,Vo);
695 default: UD2();
696 }
697 // repne (0xF2)
698 0x8: decode OPCODE_OP_BOTTOM3 {
699 0x4: HADDPS(Vo,Wo);
700 0x5: WarnUnimpl::hsubps_Vo_Wo();
701 default: UD2();
702 }
703 default: UD2();
704 }
705 0x10: decode OPCODE_OP_BOTTOM3 {
706 0x0: JO(Jz);
707 0x1: JNO(Jz);
708 0x2: JB(Jz);
709 0x3: JNB(Jz);
710 0x4: JZ(Jz);
711 0x5: JNZ(Jz);
712 0x6: JBE(Jz);
713 0x7: JNBE(Jz);
714 }
715 0x11: decode OPCODE_OP_BOTTOM3 {
716 0x0: JS(Jz);
717 0x1: JNS(Jz);
718 0x2: JP(Jz);
719 0x3: JNP(Jz);
720 0x4: JL(Jz);
721 0x5: JNL(Jz);
722 0x6: JLE(Jz);
723 0x7: JNLE(Jz);
724 }
725 0x12: decode OPCODE_OP_BOTTOM3 {
726 0x0: SETO(Eb);
727 0x1: SETNO(Eb);
728 0x2: SETB(Eb);
729 0x3: SETNB(Eb);
730 0x4: SETZ(Eb);
731 0x5: SETNZ(Eb);
732 0x6: SETBE(Eb);
733 0x7: SETNBE(Eb);
734 }
735 0x13: decode OPCODE_OP_BOTTOM3 {
736 0x0: SETS(Eb);
737 0x1: SETNS(Eb);
738 0x2: SETP(Eb);
739 0x3: SETNP(Eb);
740 0x4: SETL(Eb);
741 0x5: SETNL(Eb);
742 0x6: SETLE(Eb);
743 0x7: SETNLE(Eb);
744 }
745 }
746 0x14: decode OPCODE_OP_BOTTOM3 {
747 0x0: push_fs();
748 0x1: pop_fs();
749 0x2: CPUIDInst::CPUID({{
750 CpuidResult result;
751 bool success = doCpuid(xc->tcBase(), bits(Rax, 31, 0),
752 bits(Rcx, 31, 0), result);
753 if (success) {
754 Rax = result.rax;
755 Rbx = result.rbx;
756 Rcx = result.rcx;
757 Rdx = result.rdx;
758 } else {
759 Rax = Rax;
760 Rbx = Rbx;
761 Rcx = Rcx;
762 Rdx = Rdx;
763 }
764 }});
765 0x3: Inst::BT(Ev,Gv);
766 0x4: Inst::SHLD(Ev,Gv,Ib);
767 0x5: Inst::SHLD(Ev,Gv);
768 default: Inst::UD2();
769 }
770 0x15: decode OPCODE_OP_BOTTOM3 {
771 0x0: push_gs();
772 0x1: pop_gs();
773 0x2: rsm_smm();
774 0x3: Inst::BTS(Ev,Gv);
775 0x4: Inst::SHRD(Ev,Gv,Ib);
776 0x5: Inst::SHRD(Ev,Gv);
777 //0x6: group15();
778 0x6: decode MODRM_MOD {
779 0x3: decode MODRM_REG {
780 0x5: BasicOperate::LFENCE(
781 {{/*Nothing*/}}, IsReadBarrier);
782 0x6: BasicOperate::MFENCE(
783 {{/*Nothing*/}}, IsMemBarrier);
784 0x7: BasicOperate::SFENCE(
785 {{/*Nothing*/}}, IsWriteBarrier);
786 default: Inst::UD2();
787 }
788 default: decode MODRM_REG {
789 0x0: decode OPSIZE {
790 4: Inst::FXSAVE(M);
791 8: Inst::FXSAVE64(M);
792 default: fxsave();
793 }
794 0x1: decode OPSIZE {
795 4: Inst::FXRSTOR(M);
796 8: Inst::FXRSTOR64(M);
797 default: fxrstor();
798 }
799 0x2: Inst::LDMXCSR(Md);
800 0x3: Inst::STMXCSR(Md);
801 0x4: xsave();
802 0x5: xrstor();
803 0x6: Inst::UD2();
804 0x7: clflush();
805 }
806 }
807 0x7: Inst::IMUL(Gv,Ev);
808 }
809 format Inst {
810 0x16: decode OPCODE_OP_BOTTOM3 {
811 0x0: CMPXCHG(Eb,Gb);
812 0x1: CMPXCHG(Ev,Gv);
813 0x2: WarnUnimpl::lss_Gz_Mp();
814 0x3: BTR(Ev,Gv);
815 0x4: WarnUnimpl::lfs_Gz_Mp();
816 0x5: WarnUnimpl::lgs_Gz_Mp();
817 //The size of the second operand in these instructions
818 //should really be "b" or "w", but it's set to v in order
819 //to have a consistent register size. This shouldn't
820 //affect behavior.
821 0x6: MOVZX_B(Gv,Ev);
822 0x7: MOVZX_W(Gv,Ev);
823 }
824 0x17: decode OPCODE_OP_BOTTOM3 {
825 0x0: decode LEGACY_REP {
826 0x0: WarnUnimpl::jmpe_Jz();
827 0x1: WarnUnimpl::popcnt_Gv_Ev();
828 }
829 //0x1: group10_UD2();
830 0x1: UD2();
831 //0x2: group8_Ev_Ib();
832 0x2: decode MODRM_REG {
833 0x4: BT(Ev,Ib);
834 0x5: BTS(Ev,Ib);
835 0x6: BTR(Ev,Ib);
836 0x7: BTC(Ev,Ib);
837 default: UD2();
838 }
839 0x3: BTC(Ev,Gv);
840 0x4: BSF(Gv,Ev);
841 0x5: BSR(Gv,Ev);
842 //The size of the second operand in these instructions
843 //should really be "b" or "w", but it's set to v in order
844 //to have a consistent register size. This shouldn't
845 //affect behavior.
846 0x6: MOVSX_B(Gv,Ev);
847 0x7: MOVSX_W(Gv,Ev);
848 }
849 0x18: decode OPCODE_OP_BOTTOM3 {
850 0x0: XADD(Eb,Gb);
851 0x1: XADD(Ev,Gv);
852 //0x7: group9();
853 0x7: decode MODRM_REG {
854 //Also CMPXCHG16B
855 0x1: CMPXCHG8B(Mdp);
856 0x6: decode LEGACY_OP {
857 0x1: WarnUnimpl::vmclear_Mq();
858 default: decode LEGACY_REP {
859 0x1: WarnUnimpl::vmxon_Mq();
860 0x0: WarnUnimpl::vmptrld_Mq();
861 }
862 }
863 0x7: WarnUnimpl::vmptrst_Mq();
864 default: UD2();
865 }
866 default: decode LEGACY_DECODEVAL {
867 // no prefix
868 0x0: decode OPCODE_OP_BOTTOM3 {
869 0x2: CMPPS(Vo,Wo,Ib);
870 0x3: MOVNTI(Mdp,Gdp);
871 0x4: PINSRW(Pq,Ew,Ib);
872 0x5: PEXTRW(Gd,PRq,Ib);
873 0x6: SHUFPS(Vps,Wps,Ib);
874 }
875 // repe (0xF3)
876 0x4: decode OPCODE_OP_BOTTOM3 {
877 0x2: CMPSS(Vd,Wd,Ib);
878 default: UD2();
879 }
880 // operand size (0x66)
881 0x1: decode OPCODE_OP_BOTTOM3 {
882 0x2: CMPPD(Vo,Wo,Ib);
883 0x4: PINSRW(Vdw,Ew,Ib);
884 0x5: PEXTRW(Gd,VRdq,Ib);
885 0x6: SHUFPD(Vpd,Wpd,Ib);
886 default: UD2();
887 }
888 // repne (0xF2)
889 0x8: decode OPCODE_OP_BOTTOM3 {
890 0x2: CMPSD(Vq,Wq,Ib);
891 default: UD2();
892 }
893 default: UD2();
894 }
895 }
896 0x19: decode OPSIZE {
897 4: BSWAP_D(Bd);
898 8: BSWAP_Q(Bq);
899 default: UD2();
900 }
901 0x1A: decode LEGACY_DECODEVAL {
902 // no prefix
903 0x0: decode OPCODE_OP_BOTTOM3 {
904 0x1: PSRLW(Pq,Qq);
905 0x2: PSRLD(Pq,Qq);
906 0x3: PSRLQ(Pq,Qq);
907 0x4: PADDQ(Pq,Qq);
908 0x5: PMULLW(Pq,Qq);
909 0x7: PMOVMSKB(Gd,PRq);
910 default: UD2();
911 }
912 // repe (0xF3)
913 0x4: decode OPCODE_OP_BOTTOM3 {
914 0x6: MOVQ2DQ(Vo,PRq);
915 default: UD2();
916 }
917 // operand size (0x66)
918 0x1: decode OPCODE_OP_BOTTOM3 {
919 0x0: ADDSUBPD(Vo,Wo);
920 0x1: PSRLW(Vo,Wo);
921 0x2: PSRLD(Vo,Wo);
922 0x3: PSRLQ(Vo,Wo);
923 0x4: PADDQ(Vo,Wo);
924 0x5: PMULLW(Vo,Wo);
925 0x6: MOVQ(Wq,Vq);
926 0x7: PMOVMSKB(Gd,VRo);
927 }
928 // repne (0xF2)
929 0x8: decode OPCODE_OP_BOTTOM3 {
930 0x0: WarnUnimpl::addsubps_Vo_Wo();
931 0x6: MOVDQ2Q(Pq,VRq);
932 default: UD2();
933 }
934 default: UD2();
935 }
936 0x1B: decode LEGACY_DECODEVAL {
937 // no prefix
938 0x0: decode OPCODE_OP_BOTTOM3 {
939 0x0: PSUBUSB(Pq,Qq);
940 0x1: PSUBUSW(Pq,Qq);
941 0x2: PMINUB(Pq,Qq);
942 0x3: PAND(Pq,Qq);
943 0x4: PADDUSB(Pq,Qq);
944 0x5: PADDUSW(Pq,Qq);
945 0x6: PMAXUB(Pq,Qq);
946 0x7: PANDN(Pq,Qq);
947 }
948 // operand size (0x66)
949 0x1: decode OPCODE_OP_BOTTOM3 {
950 0x0: PSUBUSB(Vo,Wo);
951 0x1: PSUBUSW(Vo,Wo);
952 0x2: PMINUB(Vo,Wo);
953 0x3: PAND(Vo,Wo);
954 0x4: PADDUSB(Vo,Wo);
955 0x5: PADDUSW(Vo,Wo);
956 0x6: PMAXUB(Vo,Wo);
957 0x7: PANDN(Vo,Wo);
958 }
959 default: UD2();
960 }
961 0x1C: decode LEGACY_DECODEVAL {
962 // no prefix
963 0x0: decode OPCODE_OP_BOTTOM3 {
964 0x0: PAVGB(Pq,Qq);
965 0x1: PSRAW(Pq,Qq);
966 0x2: PSRAD(Pq,Qq);
967 0x3: PAVGW(Pq,Qq);
968 0x4: PMULHUW(Pq,Qq);
969 0x5: PMULHW(Pq,Qq);
970 0x7: WarnUnimpl::movntq_Mq_Pq();
971 default: UD2();
972 }
973 // repe (0xF3)
974 0x4: decode OPCODE_OP_BOTTOM3 {
975 0x6: CVTDQ2PD(Vo,Wq);
976 default: UD2();
977 }
978 // operand size (0x66)
979 0x1: decode OPCODE_OP_BOTTOM3 {
980 0x0: PAVGB(Vo,Wo);
981 0x1: PSRAW(Vo,Wo);
982 0x2: PSRAD(Vo,Wo);
983 0x3: PAVGW(Vo,Wo);
984 0x4: PMULHUW(Vo,Wo);
985 0x5: PMULHW(Vo,Wo);
986 0x6: CVTTPD2DQ(Vo,Wo);
987 0x7: WarnUnimpl::movntdq_Mo_Vo();
988 }
989 // repne (0xF2)
990 0x8: decode OPCODE_OP_BOTTOM3 {
991 0x6: CVTPD2DQ(Vo,Wo);
992 default: UD2();
993 }
994 default: UD2();
995 }
996 0x1D: decode LEGACY_DECODEVAL {
997 // no prefix
998 0x0: decode OPCODE_OP_BOTTOM3 {
999 0x0: PSUBSB(Pq,Qq);
1000 0x1: PSUBSW(Pq,Qq);
1001 0x2: PMINSW(Pq,Qq);
1002 0x3: POR(Pq,Qq);
1003 0x4: PADDSB(Pq,Qq);
1004 0x5: PADDSW(Pq,Qq);
1005 0x6: PMAXSW(Pq,Qq);
1006 0x7: PXOR(Pq,Qq);
1007 }
1008 // operand size (0x66)
1009 0x1: decode OPCODE_OP_BOTTOM3 {
1010 0x0: PSUBSB(Vo,Wo);
1011 0x1: PSUBSW(Vo,Wo);
1012 0x2: PMINSW(Vo,Wo);
1013 0x3: POR(Vo,Wo);
1014 0x4: PADDSB(Vo,Wo);
1015 0x5: PADDSW(Vo,Wo);
1016 0x6: PMAXSW(Vo,Wo);
1017 0x7: PXOR(Vo,Wo);
1018 }
1019 default: UD2();
1020 }
1021 0x1E: decode LEGACY_DECODEVAL {
1022 // no prefix
1023 0x0: decode OPCODE_OP_BOTTOM3 {
1024 0x1: PSLLW(Pq,Qq);
1025 0x2: PSLLD(Pq,Qq);
1026 0x3: PSLLQ(Pq,Qq);
1027 0x4: PMULUDQ(Pq,Qq);
1028 0x5: PMADDWD(Pq,Qq);
1029 0x6: PSADBW(Pq,Qq);
1030 0x7: MASKMOVQ(Pq,PRq);
1031 default: UD2();
1032 }
1033 // operand size (0x66)
1034 0x1: decode OPCODE_OP_BOTTOM3 {
1035 0x1: PSLLW(Vo,Wo);
1036 0x2: PSLLD(Vo,Wo);
1037 0x3: PSLLQ(Vo,Wo);
1038 0x4: PMULUDQ(Vo,Wo);
1039 0x5: PMADDWD(Vo,Wo);
1040 0x6: PSADBW(Vo,Wo);
1041 0x7: MASKMOVDQU(Vo,VRo);
1042 default: UD2();
1043 }
1044 // repne (0xF2)
1045 0x8: decode OPCODE_OP_BOTTOM3 {
1046 0x0: WarnUnimpl::lddqu_Vo_Mo();
1047 default: UD2();
1048 }
1049 default: UD2();
1050 }
1051 0x1F: decode LEGACY_DECODEVAL {
1052 // no prefix
1053 0x0: decode OPCODE_OP_BOTTOM3 {
1054 0x0: PSUBB(Pq,Qq);
1055 0x1: PSUBW(Pq,Qq);
1056 0x2: PSUBD(Pq,Qq);
1057 0x3: PSUBQ(Pq,Qq);
1058 0x4: PADDB(Pq,Qq);
1059 0x5: PADDW(Pq,Qq);
1060 0x6: PADDD(Pq,Qq);
1061 0x7: UD2();
1062 }
1063 // operand size (0x66)
1064 0x1: decode OPCODE_OP_BOTTOM3 {
1065 0x0: PSUBB(Vo,Wo);
1066 0x1: PSUBW(Vo,Wo);
1067 0x2: PSUBD(Vo,Wo);
1068 0x3: PSUBQ(Vo,Wo);
1069 0x4: PADDB(Vo,Wo);
1070 0x5: PADDW(Vo,Wo);
1071 0x6: PADDD(Vo,Wo);
1072 0x7: UD2();
1073 }
1074 default: UD2();
1075 }
1076 }
1077 default: FailUnimpl::twoByteOps();
1078 }
1079 }