xref: /illumos-gate/usr/src/common/dis/i386/dis_tables.c (revision 959b2dfd39979fe8a9a315a52741d009eb168822)
1 /*
2  *
3  * CDDL HEADER START
4  *
5  * The contents of this file are subject to the terms of the
6  * Common Development and Distribution License (the "License").
7  * You may not use this file except in compliance with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24  * Copyright 2016 Joyent, Inc.
25  */
26 
27 /*
28  * Copyright (c) 2010, Intel Corporation.
29  * All rights reserved.
30  */
31 
32 /*	Copyright (c) 1988 AT&T	*/
33 /*	  All Rights Reserved  	*/
34 
35 #include	"dis_tables.h"
36 
37 /* BEGIN CSTYLED */
38 
39 /*
40  * Disassembly begins in dis_distable, which is equivalent to the One-byte
41  * Opcode Map in the Intel IA32 ISA Reference (page A-6 in my copy).  The
42  * decoding loops then traverse out through the other tables as necessary to
43  * decode a given instruction.
44  *
45  * The behavior of this file can be controlled by one of the following flags:
46  *
47  * 	DIS_TEXT	Include text for disassembly
48  * 	DIS_MEM		Include memory-size calculations
49  *
50  * Either or both of these can be defined.
51  *
52  * This file is not, and will never be, cstyled.  If anything, the tables should
53  * be taken out another tab stop or two so nothing overlaps.
54  */
55 
56 /*
57  * These functions must be provided for the consumer to do disassembly.
58  */
59 #ifdef DIS_TEXT
60 extern char *strncpy(char *, const char *, size_t);
61 extern size_t strlen(const char *);
62 extern int strcmp(const char *, const char *);
63 extern int strncmp(const char *, const char *, size_t);
64 extern size_t strlcat(char *, const char *, size_t);
65 #endif
66 
67 
68 #define		TERM 	0	/* used to indicate that the 'indirect' */
69 				/* field terminates - no pointer.	*/
70 
71 /* Used to decode instructions. */
72 typedef struct	instable {
73 	struct instable	*it_indirect;	/* for decode op codes */
74 	uchar_t		it_adrmode;
75 #ifdef DIS_TEXT
76 	char		it_name[NCPS];
77 	uint_t		it_suffix:1;		/* mnem + "w", "l", or "d" */
78 #endif
79 #ifdef DIS_MEM
80 	uint_t		it_size:16;
81 #endif
82 	uint_t		it_invalid64:1;		/* opcode invalid in amd64 */
83 	uint_t		it_always64:1;		/* 64 bit when in 64 bit mode */
84 	uint_t		it_invalid32:1;		/* invalid in IA32 */
85 	uint_t		it_stackop:1;		/* push/pop stack operation */
86 	uint_t		it_vexwoxmm:1;		/* VEX instructions that don't use XMM/YMM */
87 	uint_t		it_avxsuf:1;		/* AVX suffix required */
88 } instable_t;
89 
90 /*
91  * Instruction formats.
92  */
93 enum {
94 	UNKNOWN,
95 	MRw,
96 	IMlw,
97 	IMw,
98 	IR,
99 	OA,
100 	AO,
101 	MS,
102 	SM,
103 	Mv,
104 	Mw,
105 	M,		/* register or memory */
106 	MG9,		/* register or memory in group 9 (prefix optional) */
107 	Mb,		/* register or memory, always byte sized */
108 	MO,		/* memory only (no registers) */
109 	PREF,
110 	SWAPGS_RDTSCP,
111 	MONITOR_MWAIT,
112 	R,
113 	RA,
114 	SEG,
115 	MR,
116 	RM,
117 	RM_66r,		/* RM, but with a required 0x66 prefix */
118 	IA,
119 	MA,
120 	SD,
121 	AD,
122 	SA,
123 	D,
124 	INM,
125 	SO,
126 	BD,
127 	I,
128 	P,
129 	V,
130 	DSHIFT,		/* for double shift that has an 8-bit immediate */
131 	U,
132 	OVERRIDE,
133 	NORM,		/* instructions w/o ModR/M byte, no memory access */
134 	IMPLMEM,	/* instructions w/o ModR/M byte, implicit mem access */
135 	O,		/* for call	*/
136 	JTAB,		/* jump table 	*/
137 	IMUL,		/* for 186 iimul instr  */
138 	CBW,		/* so data16 can be evaluated for cbw and variants */
139 	MvI,		/* for 186 logicals */
140 	ENTER,		/* for 186 enter instr  */
141 	RMw,		/* for 286 arpl instr */
142 	Ib,		/* for push immediate byte */
143 	F,		/* for 287 instructions */
144 	FF,		/* for 287 instructions */
145 	FFC,		/* for 287 instructions */
146 	DM,		/* 16-bit data */
147 	AM,		/* 16-bit addr */
148 	LSEG,		/* for 3-bit seg reg encoding */
149 	MIb,		/* for 386 logicals */
150 	SREG,		/* for 386 special registers */
151 	PREFIX,		/* a REP instruction prefix */
152 	LOCK,		/* a LOCK instruction prefix */
153 	INT3,		/* The int 3 instruction, which has a fake operand */
154 	INTx,		/* The normal int instruction, with explicit int num */
155 	DSHIFTcl,	/* for double shift that implicitly uses %cl */
156 	CWD,		/* so data16 can be evaluated for cwd and variants */
157 	RET,		/* single immediate 16-bit operand */
158 	MOVZ,		/* for movs and movz, with different size operands */
159 	CRC32,		/* for crc32, with different size operands */
160 	XADDB,		/* for xaddb */
161 	MOVSXZ,		/* AMD64 mov sign extend 32 to 64 bit instruction */
162 	MOVBE,		/* movbe instruction */
163 
164 /*
165  * MMX/SIMD addressing modes.
166  */
167 
168 	MMO,		/* Prefixable MMX/SIMD-Int	mm/mem	-> mm */
169 	MMOIMPL,	/* Prefixable MMX/SIMD-Int	mm	-> mm (mem) */
170 	MMO3P,		/* Prefixable MMX/SIMD-Int	mm	-> r32,imm8 */
171 	MMOM3,		/* Prefixable MMX/SIMD-Int	mm	-> r32 	*/
172 	MMOS,		/* Prefixable MMX/SIMD-Int	mm	-> mm/mem */
173 	MMOMS,		/* Prefixable MMX/SIMD-Int	mm	-> mem */
174 	MMOPM,		/* MMX/SIMD-Int			mm/mem	-> mm,imm8 */
175 	MMOPM_66o,	/* MMX/SIMD-Int 0x66 optional	mm/mem	-> mm,imm8 */
176 	MMOPRM,		/* Prefixable MMX/SIMD-Int	r32/mem	-> mm,imm8 */
177 	MMOSH,		/* Prefixable MMX		mm,imm8	*/
178 	MM,		/* MMX/SIMD-Int			mm/mem	-> mm	*/
179 	MMS,		/* MMX/SIMD-Int			mm	-> mm/mem */
180 	MMSH,		/* MMX				mm,imm8 */
181 	XMMO,		/* Prefixable SIMD		xmm/mem	-> xmm */
182 	XMMOS,		/* Prefixable SIMD		xmm	-> xmm/mem */
183 	XMMOPM,		/* Prefixable SIMD		xmm/mem	w/to xmm,imm8 */
184 	XMMOMX,		/* Prefixable SIMD		mm/mem	-> xmm */
185 	XMMOX3,		/* Prefixable SIMD		xmm	-> r32 */
186 	XMMOXMM,	/* Prefixable SIMD		xmm/mem	-> mm	*/
187 	XMMOM,		/* Prefixable SIMD		xmm	-> mem */
188 	XMMOMS,		/* Prefixable SIMD		mem	-> xmm */
189 	XMM,		/* SIMD 			xmm/mem	-> xmm */
190 	XMM_66r,	/* SIMD 0x66 prefix required	xmm/mem	-> xmm */
191 	XMM_66o,	/* SIMD 0x66 prefix optional 	xmm/mem	-> xmm */
192 	XMMXIMPL,	/* SIMD				xmm	-> xmm (mem) */
193 	XMM3P,		/* SIMD				xmm	-> r32,imm8 */
194 	XMM3PM_66r,	/* SIMD 0x66 prefix required	xmm	-> r32/mem,imm8 */
195 	XMMP,		/* SIMD 			xmm/mem w/to xmm,imm8 */
196 	XMMP_66o,	/* SIMD 0x66 prefix optional	xmm/mem w/to xmm,imm8 */
197 	XMMP_66r,	/* SIMD 0x66 prefix required	xmm/mem w/to xmm,imm8 */
198 	XMMPRM,		/* SIMD 			r32/mem -> xmm,imm8 */
199 	XMMPRM_66r,	/* SIMD 0x66 prefix required	r32/mem -> xmm,imm8 */
200 	XMMS,		/* SIMD				xmm	-> xmm/mem */
201 	XMMM,		/* SIMD 			mem	-> xmm */
202 	XMMM_66r,	/* SIMD	0x66 prefix required	mem	-> xmm */
203 	XMMMS,		/* SIMD				xmm	-> mem */
204 	XMM3MX,		/* SIMD 			r32/mem -> xmm */
205 	XMM3MXS,	/* SIMD 			xmm	-> r32/mem */
206 	XMMSH,		/* SIMD 			xmm,imm8 */
207 	XMMXM3,		/* SIMD 			xmm/mem -> r32 */
208 	XMMX3,		/* SIMD 			xmm	-> r32 */
209 	XMMXMM,		/* SIMD 			xmm/mem	-> mm */
210 	XMMMX,		/* SIMD 			mm	-> xmm */
211 	XMMXM,		/* SIMD 			xmm	-> mm */
212         XMMX2I,		/* SIMD				xmm -> xmm, imm, imm */
213         XMM2I,		/* SIMD				xmm, imm, imm */
214 	XMMFENCE,	/* SIMD lfence or mfence */
215 	XMMSFNC,	/* SIMD sfence (none or mem) */
216 	XGETBV_XSETBV,
217 	VEX_NONE,	/* VEX  no operand */
218 	VEX_MO,		/* VEX	mod_rm		               -> implicit reg */
219 	VEX_RMrX,	/* VEX  VEX.vvvv, mod_rm               -> mod_reg */
220 	VEX_VRMrX,	/* VEX  mod_rm, VEX.vvvv               -> mod_rm */
221 	VEX_RRX,	/* VEX  VEX.vvvv, mod_reg              -> mod_rm */
222 	VEX_RMRX,	/* VEX  VEX.vvvv, mod_rm, imm8[7:4]    -> mod_reg */
223 	VEX_MX,         /* VEX  mod_rm                         -> mod_reg */
224 	VEX_MXI,        /* VEX  mod_rm, imm8                   -> mod_reg */
225 	VEX_XXI,        /* VEX  mod_rm, imm8                   -> VEX.vvvv */
226 	VEX_MR,         /* VEX  mod_rm                         -> mod_reg */
227 	VEX_RRI,        /* VEX  mod_reg, mod_rm                -> implicit(eflags/r32) */
228 	VEX_RX,         /* VEX  mod_reg                        -> mod_rm */
229 	VEX_RR,         /* VEX  mod_rm                         -> mod_reg */
230 	VEX_RRi,        /* VEX  mod_rm, imm8                   -> mod_reg */
231 	VEX_RM,         /* VEX  mod_reg                        -> mod_rm */
232 	VEX_RIM,	/* VEX  mod_reg, imm8                  -> mod_rm */
233 	VEX_RRM,        /* VEX  VEX.vvvv, mod_reg              -> mod_rm */
234 	VEX_RMX,        /* VEX  VEX.vvvv, mod_rm               -> mod_reg */
235 	VEX_SbVM,	/* VEX  SIB, VEX.vvvv                  -> mod_rm */
236 	VMx,		/* vmcall/vmlaunch/vmresume/vmxoff */
237 	VMxo,		/* VMx instruction with optional prefix */
238 	SVM,		/* AMD SVM instructions */
239 	BLS,		/* BLSR, BLSMSK, BLSI */
240 	FMA,		/* FMA instructions, all VEX_RMrX */
241 	ADX		/* ADX instructions, support REX.w, mod_rm->mod_reg */
242 };
243 
244 /*
245  * VEX prefixes
246  */
247 #define VEX_2bytes	0xC5	/* the first byte of two-byte form */
248 #define VEX_3bytes	0xC4	/* the first byte of three-byte form */
249 
250 #define	FILL	0x90	/* Fill byte used for alignment (nop)	*/
251 
252 /*
253 ** Register numbers for the i386
254 */
255 #define	EAX_REGNO 0
256 #define	ECX_REGNO 1
257 #define	EDX_REGNO 2
258 #define	EBX_REGNO 3
259 #define	ESP_REGNO 4
260 #define	EBP_REGNO 5
261 #define	ESI_REGNO 6
262 #define	EDI_REGNO 7
263 
264 /*
265  * modes for immediate values
266  */
267 #define	MODE_NONE	0
268 #define	MODE_IPREL	1	/* signed IP relative value */
269 #define	MODE_SIGNED	2	/* sign extended immediate */
270 #define	MODE_IMPLIED	3	/* constant value implied from opcode */
271 #define	MODE_OFFSET	4	/* offset part of an address */
272 #define	MODE_RIPREL	5	/* like IPREL, but from %rip (amd64) */
273 
274 /*
275  * The letters used in these macros are:
276  *   IND - indirect to another to another table
277  *   "T" - means to Terminate indirections (this is the final opcode)
278  *   "S" - means "operand length suffix required"
279  *   "Sa" - means AVX2 suffix (d/q) required
280  *   "NS" - means "no suffix" which is the operand length suffix of the opcode
281  *   "Z" - means instruction size arg required
282  *   "u" - means the opcode is invalid in IA32 but valid in amd64
283  *   "x" - means the opcode is invalid in amd64, but not IA32
284  *   "y" - means the operand size is always 64 bits in 64 bit mode
285  *   "p" - means push/pop stack operation
286  *   "vr" - means VEX instruction that operates on normal registers, not fpu
287  */
288 
289 #if defined(DIS_TEXT) && defined(DIS_MEM)
290 #define	IND(table)		{(instable_t *)table, 0, "", 0, 0, 0, 0, 0, 0}
291 #define	INDx(table)		{(instable_t *)table, 0, "", 0, 0, 1, 0, 0, 0}
292 #define	TNS(name, amode)	{TERM, amode, name, 0, 0, 0, 0, 0, 0}
293 #define	TNSu(name, amode)	{TERM, amode, name, 0, 0, 0, 0, 1, 0}
294 #define	TNSx(name, amode)	{TERM, amode, name, 0, 0, 1, 0, 0, 0}
295 #define	TNSy(name, amode)	{TERM, amode, name, 0, 0, 0, 1, 0, 0}
296 #define	TNSyp(name, amode)	{TERM, amode, name, 0, 0, 0, 1, 0, 1}
297 #define	TNSZ(name, amode, sz)	{TERM, amode, name, 0, sz, 0, 0, 0, 0}
298 #define	TNSZy(name, amode, sz)	{TERM, amode, name, 0, sz, 0, 1, 0, 0}
299 #define	TNSZvr(name, amode, sz)	{TERM, amode, name, 0, sz, 0, 0, 0, 0, 1}
300 #define	TS(name, amode)		{TERM, amode, name, 1, 0, 0, 0, 0, 0}
301 #define	TSx(name, amode)	{TERM, amode, name, 1, 0, 1, 0, 0, 0}
302 #define	TSy(name, amode)	{TERM, amode, name, 1, 0, 0, 1, 0, 0}
303 #define	TSp(name, amode)	{TERM, amode, name, 1, 0, 0, 0, 0, 1}
304 #define	TSZ(name, amode, sz)	{TERM, amode, name, 1, sz, 0, 0, 0, 0}
305 #define	TSaZ(name, amode, sz)	{TERM, amode, name, 1, sz, 0, 0, 0, 0, 0, 1}
306 #define	TSZx(name, amode, sz)	{TERM, amode, name, 1, sz, 1, 0, 0, 0}
307 #define	TSZy(name, amode, sz)	{TERM, amode, name, 1, sz, 0, 1, 0, 0}
308 #define	INVALID			{TERM, UNKNOWN, "", 0, 0, 0, 0, 0}
309 #elif defined(DIS_TEXT)
310 #define	IND(table)		{(instable_t *)table, 0, "", 0, 0, 0, 0, 0}
311 #define	INDx(table)		{(instable_t *)table, 0, "", 0, 1, 0, 0, 0}
312 #define	TNS(name, amode)	{TERM, amode, name, 0, 0, 0, 0, 0}
313 #define	TNSu(name, amode)	{TERM, amode, name, 0, 0, 0, 1, 0}
314 #define	TNSx(name, amode)	{TERM, amode, name, 0, 1, 0, 0, 0}
315 #define	TNSy(name, amode)	{TERM, amode, name, 0, 0, 1, 0, 0}
316 #define	TNSyp(name, amode)	{TERM, amode, name, 0, 0, 1, 0, 1}
317 #define	TNSZ(name, amode, sz)	{TERM, amode, name, 0, 0, 0, 0, 0}
318 #define	TNSZy(name, amode, sz)	{TERM, amode, name, 0, 0, 1, 0, 0}
319 #define	TNSZvr(name, amode, sz)	{TERM, amode, name, 0, 0, 0, 0, 0, 1}
320 #define	TS(name, amode)		{TERM, amode, name, 1, 0, 0, 0, 0}
321 #define	TSx(name, amode)	{TERM, amode, name, 1, 1, 0, 0, 0}
322 #define	TSy(name, amode)	{TERM, amode, name, 1, 0, 1, 0, 0}
323 #define	TSp(name, amode)	{TERM, amode, name, 1, 0, 0, 0, 1}
324 #define	TSZ(name, amode, sz)	{TERM, amode, name, 1, 0, 0, 0, 0}
325 #define	TSaZ(name, amode, sz)	{TERM, amode, name, 1, 0, 0, 0, 0, 0, 1}
326 #define	TSZx(name, amode, sz)	{TERM, amode, name, 1, 1, 0, 0, 0}
327 #define	TSZy(name, amode, sz)	{TERM, amode, name, 1, 0, 1, 0, 0}
328 #define	INVALID			{TERM, UNKNOWN, "", 0, 0, 0, 0, 0}
329 #elif defined(DIS_MEM)
330 #define	IND(table)		{(instable_t *)table, 0, 0, 0, 0, 0, 0}
331 #define	INDx(table)		{(instable_t *)table, 0, 0, 1, 0, 0, 0}
332 #define	TNS(name, amode)	{TERM, amode,  0, 0, 0, 0, 0}
333 #define	TNSu(name, amode)	{TERM, amode,  0, 0, 0, 1, 0}
334 #define	TNSy(name, amode)	{TERM, amode,  0, 0, 1, 0, 0}
335 #define	TNSyp(name, amode)	{TERM, amode,  0, 0, 1, 0, 1}
336 #define	TNSx(name, amode)	{TERM, amode,  0, 1, 0, 0, 0}
337 #define	TNSZ(name, amode, sz)	{TERM, amode, sz, 0, 0, 0, 0}
338 #define	TNSZy(name, amode, sz)	{TERM, amode, sz, 0, 1, 0, 0}
339 #define	TNSZvr(name, amode, sz)	{TERM, amode, sz, 0, 0, 0, 0, 1}
340 #define	TS(name, amode)		{TERM, amode,  0, 0, 0, 0, 0}
341 #define	TSx(name, amode)	{TERM, amode,  0, 1, 0, 0, 0}
342 #define	TSy(name, amode)	{TERM, amode,  0, 0, 1, 0, 0}
343 #define	TSp(name, amode)	{TERM, amode,  0, 0, 0, 0, 1}
344 #define	TSZ(name, amode, sz)	{TERM, amode, sz, 0, 0, 0, 0}
345 #define	TSaZ(name, amode, sz)	{TERM, amode, sz, 0, 0, 0, 0, 0, 1}
346 #define	TSZx(name, amode, sz)	{TERM, amode, sz, 1, 0, 0, 0}
347 #define	TSZy(name, amode, sz)	{TERM, amode, sz, 0, 1, 0, 0}
348 #define	INVALID			{TERM, UNKNOWN, 0, 0, 0, 0, 0}
349 #else
350 #define	IND(table)		{(instable_t *)table, 0, 0, 0, 0, 0}
351 #define	INDx(table)		{(instable_t *)table, 0, 1, 0, 0, 0}
352 #define	TNS(name, amode)	{TERM, amode,  0, 0, 0, 0}
353 #define	TNSu(name, amode)	{TERM, amode,  0, 0, 1, 0}
354 #define	TNSy(name, amode)	{TERM, amode,  0, 1, 0, 0}
355 #define	TNSyp(name, amode)	{TERM, amode,  0, 1, 0, 1}
356 #define	TNSx(name, amode)	{TERM, amode,  1, 0, 0, 0}
357 #define	TNSZ(name, amode, sz)	{TERM, amode,  0, 0, 0, 0}
358 #define	TNSZy(name, amode, sz)	{TERM, amode,  0, 1, 0, 0}
359 #define	TNSZvr(name, amode, sz)	{TERM, amode,  0, 0, 0, 0, 1}
360 #define	TS(name, amode)		{TERM, amode,  0, 0, 0, 0}
361 #define	TSx(name, amode)	{TERM, amode,  1, 0, 0, 0}
362 #define	TSy(name, amode)	{TERM, amode,  0, 1, 0, 0}
363 #define	TSp(name, amode)	{TERM, amode,  0, 0, 0, 1}
364 #define	TSZ(name, amode, sz)	{TERM, amode,  0, 0, 0, 0}
365 #define	TSaZ(name, amode, sz)	{TERM, amode,  0, 0, 0, 0, 0, 1}
366 #define	TSZx(name, amode, sz)	{TERM, amode,  1, 0, 0, 0}
367 #define	TSZy(name, amode, sz)	{TERM, amode,  0, 1, 0, 0}
368 #define	INVALID			{TERM, UNKNOWN, 0, 0, 0, 0}
369 #endif
370 
371 #ifdef DIS_TEXT
372 /*
373  * this decodes the r_m field for mode's 0, 1, 2 in 16 bit mode
374  */
375 const char *const dis_addr16[3][8] = {
376 "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di)", "",
377 									"(%bx)",
378 "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di", "(%bp)",
379 									"(%bx)",
380 "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di)", "(%bp)",
381 									"(%bx)",
382 };
383 
384 
385 /*
386  * This decodes 32 bit addressing mode r_m field for modes 0, 1, 2
387  */
388 const char *const dis_addr32_mode0[16] = {
389   "(%eax)", "(%ecx)", "(%edx)",  "(%ebx)",  "", "",        "(%esi)",  "(%edi)",
390   "(%r8d)", "(%r9d)", "(%r10d)", "(%r11d)", "", "",        "(%r14d)", "(%r15d)"
391 };
392 
393 const char *const dis_addr32_mode12[16] = {
394   "(%eax)", "(%ecx)", "(%edx)",  "(%ebx)",  "", "(%ebp)",  "(%esi)",  "(%edi)",
395   "(%r8d)", "(%r9d)", "(%r10d)", "(%r11d)", "", "(%r13d)", "(%r14d)", "(%r15d)"
396 };
397 
398 /*
399  * This decodes 64 bit addressing mode r_m field for modes 0, 1, 2
400  */
401 const char *const dis_addr64_mode0[16] = {
402  "(%rax)", "(%rcx)", "(%rdx)", "(%rbx)", "",       "(%rip)", "(%rsi)", "(%rdi)",
403  "(%r8)",  "(%r9)",  "(%r10)", "(%r11)", "(%r12)", "(%rip)", "(%r14)", "(%r15)"
404 };
405 const char *const dis_addr64_mode12[16] = {
406  "(%rax)", "(%rcx)", "(%rdx)", "(%rbx)", "",       "(%rbp)", "(%rsi)", "(%rdi)",
407  "(%r8)",  "(%r9)",  "(%r10)", "(%r11)", "(%r12)", "(%r13)", "(%r14)", "(%r15)"
408 };
409 
410 /*
411  * decode for scale from SIB byte
412  */
413 const char *const dis_scale_factor[4] = { ")", ",2)", ",4)", ",8)" };
414 
415 /*
416  * decode for scale from VSIB byte, note that we always include the scale factor
417  * to match gas.
418  */
419 const char *const dis_vscale_factor[4] = { ",1)", ",2)", ",4)", ",8)" };
420 
421 /*
422  * register decoding for normal references to registers (ie. not addressing)
423  */
424 const char *const dis_REG8[16] = {
425 	"%al",  "%cl",  "%dl",   "%bl",   "%ah",   "%ch",   "%dh",   "%bh",
426 	"%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"
427 };
428 
429 const char *const dis_REG8_REX[16] = {
430 	"%al",  "%cl",  "%dl",   "%bl",   "%spl",  "%bpl",  "%sil",  "%dil",
431 	"%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"
432 };
433 
434 const char *const dis_REG16[16] = {
435 	"%ax",  "%cx",  "%dx",   "%bx",   "%sp",   "%bp",   "%si",   "%di",
436 	"%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w"
437 };
438 
439 const char *const dis_REG32[16] = {
440 	"%eax", "%ecx", "%edx",  "%ebx",  "%esp",  "%ebp",  "%esi",  "%edi",
441 	"%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d"
442 };
443 
444 const char *const dis_REG64[16] = {
445 	"%rax", "%rcx", "%rdx",  "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
446 	"%r8",  "%r9",  "%r10",  "%r11", "%r12", "%r13", "%r14", "%r15"
447 };
448 
449 const char *const dis_DEBUGREG[16] = {
450 	"%db0", "%db1", "%db2",  "%db3",  "%db4",  "%db5",  "%db6",  "%db7",
451 	"%db8", "%db9", "%db10", "%db11", "%db12", "%db13", "%db14", "%db15"
452 };
453 
454 const char *const dis_CONTROLREG[16] = {
455     "%cr0", "%cr1", "%cr2", "%cr3", "%cr4", "%cr5?", "%cr6?", "%cr7?",
456     "%cr8", "%cr9?", "%cr10?", "%cr11?", "%cr12?", "%cr13?", "%cr14?", "%cr15?"
457 };
458 
459 const char *const dis_TESTREG[16] = {
460 	"%tr0?", "%tr1?", "%tr2?", "%tr3", "%tr4", "%tr5", "%tr6", "%tr7",
461 	"%tr0?", "%tr1?", "%tr2?", "%tr3", "%tr4", "%tr5", "%tr6", "%tr7"
462 };
463 
464 const char *const dis_MMREG[16] = {
465 	"%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7",
466 	"%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7"
467 };
468 
469 const char *const dis_XMMREG[16] = {
470     "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7",
471     "%xmm8", "%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15"
472 };
473 
474 const char *const dis_YMMREG[16] = {
475     "%ymm0", "%ymm1", "%ymm2", "%ymm3", "%ymm4", "%ymm5", "%ymm6", "%ymm7",
476     "%ymm8", "%ymm9", "%ymm10", "%ymm11", "%ymm12", "%ymm13", "%ymm14", "%ymm15"
477 };
478 
479 const char *const dis_SEGREG[16] = {
480 	"%es", "%cs", "%ss", "%ds", "%fs", "%gs", "<reserved>", "<reserved>",
481 	"%es", "%cs", "%ss", "%ds", "%fs", "%gs", "<reserved>", "<reserved>"
482 };
483 
484 /*
485  * SIMD predicate suffixes
486  */
487 const char *const dis_PREDSUFFIX[8] = {
488 	"eq", "lt", "le", "unord", "neq", "nlt", "nle", "ord"
489 };
490 
491 const char *const dis_AVXvgrp7[3][8] = {
492 	/*0	1	2		3		4		5	6		7*/
493 /*71*/	{"",	"",	"vpsrlw",	"",		"vpsraw",	"",	"vpsllw",	""},
494 /*72*/	{"",	"",	"vpsrld",	"",		"vpsrad",	"",	"vpslld",	""},
495 /*73*/	{"",	"",	"vpsrlq",	"vpsrldq",	"",		"",	"vpsllq",	"vpslldq"}
496 };
497 
498 #endif	/* DIS_TEXT */
499 
500 /*
501  *	"decode table" for 64 bit mode MOVSXD instruction (opcode 0x63)
502  */
503 const instable_t dis_opMOVSLD = TNS("movslq",MOVSXZ);
504 
505 /*
506  *	"decode table" for pause and clflush instructions
507  */
508 const instable_t dis_opPause = TNS("pause", NORM);
509 
510 /*
511  *	Decode table for 0x0F00 opcodes
512  */
513 const instable_t dis_op0F00[8] = {
514 
515 /*  [0]  */	TNS("sldt",M),		TNS("str",M),		TNSy("lldt",M), 	TNSy("ltr",M),
516 /*  [4]  */	TNSZ("verr",M,2),	TNSZ("verw",M,2),	INVALID,		INVALID,
517 };
518 
519 
520 /*
521  *	Decode table for 0x0F01 opcodes
522  */
523 const instable_t dis_op0F01[8] = {
524 
525 /*  [0]  */	TNSZ("sgdt",VMx,6),	TNSZ("sidt",MONITOR_MWAIT,6),	TNSZ("lgdt",XGETBV_XSETBV,6),	TNSZ("lidt",SVM,6),
526 /*  [4]  */	TNSZ("smsw",M,2),	INVALID, 		TNSZ("lmsw",M,2),	TNS("invlpg",SWAPGS_RDTSCP),
527 };
528 
529 /*
530  *	Decode table for 0x0F18 opcodes -- SIMD prefetch
531  */
532 const instable_t dis_op0F18[8] = {
533 
534 /*  [0]  */	TNS("prefetchnta",PREF),TNS("prefetcht0",PREF),	TNS("prefetcht1",PREF),	TNS("prefetcht2",PREF),
535 /*  [4]  */	INVALID,		INVALID,		INVALID,		INVALID,
536 };
537 
538 /*
539  * 	Decode table for 0x0FAE opcodes -- SIMD state save/restore
540  */
541 const instable_t dis_op0FAE[8] = {
542 /*  [0]  */	TNSZ("fxsave",M,512),	TNSZ("fxrstor",M,512),	TNS("ldmxcsr",M),	TNS("stmxcsr",M),
543 /*  [4]  */	TNSZ("xsave",M,512),	TNS("lfence",XMMFENCE), TNS("mfence",XMMFENCE),	TNS("sfence",XMMSFNC),
544 };
545 
546 /*
547  *	Decode table for 0x0FBA opcodes
548  */
549 
550 const instable_t dis_op0FBA[8] = {
551 
552 /*  [0]  */	INVALID,		INVALID,		INVALID,		INVALID,
553 /*  [4]  */	TS("bt",MIb),		TS("bts",MIb),		TS("btr",MIb),		TS("btc",MIb),
554 };
555 
556 /*
557  * 	Decode table for 0x0FC7 opcode (group 9)
558  */
559 
560 const instable_t dis_op0FC7[8] = {
561 
562 /*  [0]  */	INVALID,		TNS("cmpxchg8b",M),	INVALID,		INVALID,
563 /*  [4]  */	INVALID,		INVALID,		TNS("vmptrld",MG9),	TNS("vmptrst",MG9),
564 };
565 
566 /*
567  * 	Decode table for 0x0FC7 opcode (group 9) mode 3
568  */
569 
570 const instable_t dis_op0FC7m3[8] = {
571 
572 /*  [0]  */	INVALID,		INVALID,	INVALID,		INVALID,
573 /*  [4]  */	INVALID,		INVALID,	TNS("rdrand",MG9),	TNS("rdseed", MG9),
574 };
575 
576 /*
577  * 	Decode table for 0x0FC7 opcode with 0x66 prefix
578  */
579 
580 const instable_t dis_op660FC7[8] = {
581 
582 /*  [0]  */	INVALID,		INVALID,		INVALID,		INVALID,
583 /*  [4]  */	INVALID,		INVALID,		TNS("vmclear",M),	INVALID,
584 };
585 
586 /*
587  * 	Decode table for 0x0FC7 opcode with 0xF3 prefix
588  */
589 
590 const instable_t dis_opF30FC7[8] = {
591 
592 /*  [0]  */	INVALID,		INVALID,		INVALID,		INVALID,
593 /*  [4]  */	INVALID,		INVALID,		TNS("vmxon",M),		INVALID,
594 };
595 
596 /*
597  *	Decode table for 0x0FC8 opcode -- 486 bswap instruction
598  *
599  *bit pattern: 0000 1111 1100 1reg
600  */
601 const instable_t dis_op0FC8[4] = {
602 /*  [0]  */	TNS("bswap",R),		INVALID,		INVALID,		INVALID,
603 };
604 
605 /*
606  *	Decode table for 0x0F71, 0x0F72, and 0x0F73 opcodes -- MMX instructions
607  */
608 const instable_t dis_op0F7123[4][8] = {
609 {
610 /*  [70].0 */	INVALID,		INVALID,		INVALID,		INVALID,
611 /*      .4 */	INVALID,		INVALID,		INVALID,		INVALID,
612 }, {
613 /*  [71].0 */	INVALID,		INVALID,		TNS("psrlw",MMOSH),	INVALID,
614 /*      .4 */	TNS("psraw",MMOSH),	INVALID,		TNS("psllw",MMOSH),	INVALID,
615 }, {
616 /*  [72].0 */	INVALID,		INVALID,		TNS("psrld",MMOSH),	INVALID,
617 /*      .4 */	TNS("psrad",MMOSH),	INVALID,		TNS("pslld",MMOSH),	INVALID,
618 }, {
619 /*  [73].0 */	INVALID,		INVALID,		TNS("psrlq",MMOSH),	TNS("INVALID",MMOSH),
620 /*      .4 */	INVALID,		INVALID, 		TNS("psllq",MMOSH),	TNS("INVALID",MMOSH),
621 } };
622 
623 /*
624  *	Decode table for SIMD extensions to above 0x0F71-0x0F73 opcodes.
625  */
626 const instable_t dis_opSIMD7123[32] = {
627 /* [70].0 */	INVALID,		INVALID,		INVALID,		INVALID,
628 /*     .4 */	INVALID,		INVALID,		INVALID,		INVALID,
629 
630 /* [71].0 */	INVALID,		INVALID,		TNS("psrlw",XMMSH),	INVALID,
631 /*     .4 */	TNS("psraw",XMMSH),	INVALID,		TNS("psllw",XMMSH),	INVALID,
632 
633 /* [72].0 */	INVALID,		INVALID,		TNS("psrld",XMMSH),	INVALID,
634 /*     .4 */	TNS("psrad",XMMSH),	INVALID,		TNS("pslld",XMMSH),	INVALID,
635 
636 /* [73].0 */	INVALID,		INVALID,		TNS("psrlq",XMMSH),	TNS("psrldq",XMMSH),
637 /*     .4 */	INVALID,		INVALID,		TNS("psllq",XMMSH),	TNS("pslldq",XMMSH),
638 };
639 
640 /*
641  *	SIMD instructions have been wedged into the existing IA32 instruction
642  *	set through the use of prefixes.  That is, while 0xf0 0x58 may be
643  *	addps, 0xf3 0xf0 0x58 (literally, repz addps) is a completely different
644  *	instruction - addss.  At present, three prefixes have been coopted in
645  *	this manner - address size (0x66), repnz (0xf2) and repz (0xf3).  The
646  *	following tables are used to provide the prefixed instruction names.
647  *	The arrays are sparse, but they're fast.
648  */
649 
650 /*
651  *	Decode table for SIMD instructions with the address size (0x66) prefix.
652  */
653 const instable_t dis_opSIMDdata16[256] = {
654 /*  [00]  */	INVALID,		INVALID,		INVALID,		INVALID,
655 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
656 /*  [08]  */	INVALID,		INVALID,		INVALID,		INVALID,
657 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
658 
659 /*  [10]  */	TNSZ("movupd",XMM,16),	TNSZ("movupd",XMMS,16),	TNSZ("movlpd",XMMM,8),	TNSZ("movlpd",XMMMS,8),
660 /*  [14]  */	TNSZ("unpcklpd",XMM,16),TNSZ("unpckhpd",XMM,16),TNSZ("movhpd",XMMM,8),	TNSZ("movhpd",XMMMS,8),
661 /*  [18]  */	INVALID,		INVALID,		INVALID,		INVALID,
662 /*  [1C]  */	INVALID,		INVALID,		INVALID,		INVALID,
663 
664 /*  [20]  */	INVALID,		INVALID,		INVALID,		INVALID,
665 /*  [24]  */	INVALID,		INVALID,		INVALID,		INVALID,
666 /*  [28]  */	TNSZ("movapd",XMM,16),	TNSZ("movapd",XMMS,16),	TNSZ("cvtpi2pd",XMMOMX,8),TNSZ("movntpd",XMMOMS,16),
667 /*  [2C]  */	TNSZ("cvttpd2pi",XMMXMM,16),TNSZ("cvtpd2pi",XMMXMM,16),TNSZ("ucomisd",XMM,8),TNSZ("comisd",XMM,8),
668 
669 /*  [30]  */	INVALID,		INVALID,		INVALID,		INVALID,
670 /*  [34]  */	INVALID,		INVALID,		INVALID,		INVALID,
671 /*  [38]  */	INVALID,		INVALID,		INVALID,		INVALID,
672 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
673 
674 /*  [40]  */	INVALID,		INVALID,		INVALID,		INVALID,
675 /*  [44]  */	INVALID,		INVALID,		INVALID,		INVALID,
676 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
677 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
678 
679 /*  [50]  */	TNS("movmskpd",XMMOX3),	TNSZ("sqrtpd",XMM,16),	INVALID,		INVALID,
680 /*  [54]  */	TNSZ("andpd",XMM,16),	TNSZ("andnpd",XMM,16),	TNSZ("orpd",XMM,16),	TNSZ("xorpd",XMM,16),
681 /*  [58]  */	TNSZ("addpd",XMM,16),	TNSZ("mulpd",XMM,16),	TNSZ("cvtpd2ps",XMM,16),TNSZ("cvtps2dq",XMM,16),
682 /*  [5C]  */	TNSZ("subpd",XMM,16),	TNSZ("minpd",XMM,16),	TNSZ("divpd",XMM,16),	TNSZ("maxpd",XMM,16),
683 
684 /*  [60]  */	TNSZ("punpcklbw",XMM,16),TNSZ("punpcklwd",XMM,16),TNSZ("punpckldq",XMM,16),TNSZ("packsswb",XMM,16),
685 /*  [64]  */	TNSZ("pcmpgtb",XMM,16),	TNSZ("pcmpgtw",XMM,16),	TNSZ("pcmpgtd",XMM,16),	TNSZ("packuswb",XMM,16),
686 /*  [68]  */	TNSZ("punpckhbw",XMM,16),TNSZ("punpckhwd",XMM,16),TNSZ("punpckhdq",XMM,16),TNSZ("packssdw",XMM,16),
687 /*  [6C]  */	TNSZ("punpcklqdq",XMM,16),TNSZ("punpckhqdq",XMM,16),TNSZ("movd",XMM3MX,4),TNSZ("movdqa",XMM,16),
688 
689 /*  [70]  */	TNSZ("pshufd",XMMP,16),	INVALID,		INVALID,		INVALID,
690 /*  [74]  */	TNSZ("pcmpeqb",XMM,16),	TNSZ("pcmpeqw",XMM,16),	TNSZ("pcmpeqd",XMM,16),	INVALID,
691 /*  [78]  */	TNSZ("extrq",XMM2I,16),	TNSZ("extrq",XMM,16), INVALID,		INVALID,
692 /*  [7C]  */	TNSZ("haddpd",XMM,16),	TNSZ("hsubpd",XMM,16),	TNSZ("movd",XMM3MXS,4),	TNSZ("movdqa",XMMS,16),
693 
694 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
695 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
696 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
697 /*  [8C]  */	INVALID,		INVALID,		INVALID,		INVALID,
698 
699 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
700 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
701 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
702 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
703 
704 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
705 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
706 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
707 /*  [AC]  */	INVALID,		INVALID,		INVALID,		INVALID,
708 
709 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
710 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
711 /*  [B8]  */	INVALID,		INVALID,		INVALID,		INVALID,
712 /*  [BC]  */	INVALID,		INVALID,		INVALID,		INVALID,
713 
714 /*  [C0]  */	INVALID,		INVALID,		TNSZ("cmppd",XMMP,16),	INVALID,
715 /*  [C4]  */	TNSZ("pinsrw",XMMPRM,2),TNS("pextrw",XMM3P),	TNSZ("shufpd",XMMP,16),	INVALID,
716 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
717 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
718 
719 /*  [D0]  */	TNSZ("addsubpd",XMM,16),TNSZ("psrlw",XMM,16),	TNSZ("psrld",XMM,16),	TNSZ("psrlq",XMM,16),
720 /*  [D4]  */	TNSZ("paddq",XMM,16),	TNSZ("pmullw",XMM,16),	TNSZ("movq",XMMS,8),	TNS("pmovmskb",XMMX3),
721 /*  [D8]  */	TNSZ("psubusb",XMM,16),	TNSZ("psubusw",XMM,16),	TNSZ("pminub",XMM,16),	TNSZ("pand",XMM,16),
722 /*  [DC]  */	TNSZ("paddusb",XMM,16),	TNSZ("paddusw",XMM,16),	TNSZ("pmaxub",XMM,16),	TNSZ("pandn",XMM,16),
723 
724 /*  [E0]  */	TNSZ("pavgb",XMM,16),	TNSZ("psraw",XMM,16),	TNSZ("psrad",XMM,16),	TNSZ("pavgw",XMM,16),
725 /*  [E4]  */	TNSZ("pmulhuw",XMM,16),	TNSZ("pmulhw",XMM,16),	TNSZ("cvttpd2dq",XMM,16),TNSZ("movntdq",XMMS,16),
726 /*  [E8]  */	TNSZ("psubsb",XMM,16),	TNSZ("psubsw",XMM,16),	TNSZ("pminsw",XMM,16),	TNSZ("por",XMM,16),
727 /*  [EC]  */	TNSZ("paddsb",XMM,16),	TNSZ("paddsw",XMM,16),	TNSZ("pmaxsw",XMM,16),	TNSZ("pxor",XMM,16),
728 
729 /*  [F0]  */	INVALID,		TNSZ("psllw",XMM,16),	TNSZ("pslld",XMM,16),	TNSZ("psllq",XMM,16),
730 /*  [F4]  */	TNSZ("pmuludq",XMM,16),	TNSZ("pmaddwd",XMM,16),	TNSZ("psadbw",XMM,16),	TNSZ("maskmovdqu", XMMXIMPL,16),
731 /*  [F8]  */	TNSZ("psubb",XMM,16),	TNSZ("psubw",XMM,16),	TNSZ("psubd",XMM,16),	TNSZ("psubq",XMM,16),
732 /*  [FC]  */	TNSZ("paddb",XMM,16),	TNSZ("paddw",XMM,16),	TNSZ("paddd",XMM,16),	INVALID,
733 };
734 
735 const instable_t dis_opAVX660F[256] = {
736 /*  [00]  */	INVALID,		INVALID,		INVALID,		INVALID,
737 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
738 /*  [08]  */	INVALID,		INVALID,		INVALID,		INVALID,
739 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
740 
741 /*  [10]  */	TNSZ("vmovupd",VEX_MX,16),	TNSZ("vmovupd",VEX_RX,16),	TNSZ("vmovlpd",VEX_RMrX,8),	TNSZ("vmovlpd",VEX_RM,8),
742 /*  [14]  */	TNSZ("vunpcklpd",VEX_RMrX,16),TNSZ("vunpckhpd",VEX_RMrX,16),TNSZ("vmovhpd",VEX_RMrX,8),	TNSZ("vmovhpd",VEX_RM,8),
743 /*  [18]  */	INVALID,		INVALID,		INVALID,		INVALID,
744 /*  [1C]  */	INVALID,		INVALID,		INVALID,		INVALID,
745 
746 /*  [20]  */	INVALID,		INVALID,		INVALID,		INVALID,
747 /*  [24]  */	INVALID,		INVALID,		INVALID,		INVALID,
748 /*  [28]  */	TNSZ("vmovapd",VEX_MX,16),	TNSZ("vmovapd",VEX_RX,16),	INVALID,		TNSZ("vmovntpd",VEX_RM,16),
749 /*  [2C]  */	INVALID,		INVALID,		TNSZ("vucomisd",VEX_MX,8),TNSZ("vcomisd",VEX_MX,8),
750 
751 /*  [30]  */	INVALID,		INVALID,		INVALID,		INVALID,
752 /*  [34]  */	INVALID,		INVALID,		INVALID,		INVALID,
753 /*  [38]  */	INVALID,		INVALID,		INVALID,		INVALID,
754 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
755 
756 /*  [40]  */	INVALID,		INVALID,		INVALID,		INVALID,
757 /*  [44]  */	INVALID,		INVALID,		INVALID,		INVALID,
758 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
759 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
760 
761 /*  [50]  */	TNS("vmovmskpd",VEX_MR),	TNSZ("vsqrtpd",VEX_MX,16),	INVALID,		INVALID,
762 /*  [54]  */	TNSZ("vandpd",VEX_RMrX,16),	TNSZ("vandnpd",VEX_RMrX,16),	TNSZ("vorpd",VEX_RMrX,16),	TNSZ("vxorpd",VEX_RMrX,16),
763 /*  [58]  */	TNSZ("vaddpd",VEX_RMrX,16),	TNSZ("vmulpd",VEX_RMrX,16),	TNSZ("vcvtpd2ps",VEX_MX,16),TNSZ("vcvtps2dq",VEX_MX,16),
764 /*  [5C]  */	TNSZ("vsubpd",VEX_RMrX,16),	TNSZ("vminpd",VEX_RMrX,16),	TNSZ("vdivpd",VEX_RMrX,16),	TNSZ("vmaxpd",VEX_RMrX,16),
765 
766 /*  [60]  */	TNSZ("vpunpcklbw",VEX_RMrX,16),TNSZ("vpunpcklwd",VEX_RMrX,16),TNSZ("vpunpckldq",VEX_RMrX,16),TNSZ("vpacksswb",VEX_RMrX,16),
767 /*  [64]  */	TNSZ("vpcmpgtb",VEX_RMrX,16),	TNSZ("vpcmpgtw",VEX_RMrX,16),	TNSZ("vpcmpgtd",VEX_RMrX,16),	TNSZ("vpackuswb",VEX_RMrX,16),
768 /*  [68]  */	TNSZ("vpunpckhbw",VEX_RMrX,16),TNSZ("vpunpckhwd",VEX_RMrX,16),TNSZ("vpunpckhdq",VEX_RMrX,16),TNSZ("vpackssdw",VEX_RMrX,16),
769 /*  [6C]  */	TNSZ("vpunpcklqdq",VEX_RMrX,16),TNSZ("vpunpckhqdq",VEX_RMrX,16),TNSZ("vmovd",VEX_MX,4),TNSZ("vmovdqa",VEX_MX,16),
770 
771 /*  [70]  */	TNSZ("vpshufd",VEX_MXI,16),	TNSZ("vgrp71",VEX_XXI,16),	TNSZ("vgrp72",VEX_XXI,16),		TNSZ("vgrp73",VEX_XXI,16),
772 /*  [74]  */	TNSZ("vpcmpeqb",VEX_RMrX,16),	TNSZ("vpcmpeqw",VEX_RMrX,16),	TNSZ("vpcmpeqd",VEX_RMrX,16),	INVALID,
773 /*  [78]  */	INVALID,		INVALID,		INVALID,		INVALID,
774 /*  [7C]  */	TNSZ("vhaddpd",VEX_RMrX,16),	TNSZ("vhsubpd",VEX_RMrX,16),	TNSZ("vmovd",VEX_RR,4),	TNSZ("vmovdqa",VEX_RX,16),
775 
776 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
777 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
778 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
779 /*  [8C]  */	INVALID,		INVALID,		INVALID,		INVALID,
780 
781 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
782 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
783 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
784 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
785 
786 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
787 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
788 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
789 /*  [AC]  */	INVALID,		INVALID,		INVALID,		INVALID,
790 
791 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
792 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
793 /*  [B8]  */	INVALID,		INVALID,		INVALID,		INVALID,
794 /*  [BC]  */	INVALID,		INVALID,		INVALID,		INVALID,
795 
796 /*  [C0]  */	INVALID,		INVALID,		TNSZ("vcmppd",VEX_RMRX,16),	INVALID,
797 /*  [C4]  */	TNSZ("vpinsrw",VEX_RMRX,2),TNS("vpextrw",VEX_MR),	TNSZ("vshufpd",VEX_RMRX,16),	INVALID,
798 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
799 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
800 
801 /*  [D0]  */	TNSZ("vaddsubpd",VEX_RMrX,16),TNSZ("vpsrlw",VEX_RMrX,16),	TNSZ("vpsrld",VEX_RMrX,16),	TNSZ("vpsrlq",VEX_RMrX,16),
802 /*  [D4]  */	TNSZ("vpaddq",VEX_RMrX,16),	TNSZ("vpmullw",VEX_RMrX,16),	TNSZ("vmovq",VEX_RX,8),	TNS("vpmovmskb",VEX_MR),
803 /*  [D8]  */	TNSZ("vpsubusb",VEX_RMrX,16),	TNSZ("vpsubusw",VEX_RMrX,16),	TNSZ("vpminub",VEX_RMrX,16),	TNSZ("vpand",VEX_RMrX,16),
804 /*  [DC]  */	TNSZ("vpaddusb",VEX_RMrX,16),	TNSZ("vpaddusw",VEX_RMrX,16),	TNSZ("vpmaxub",VEX_RMrX,16),	TNSZ("vpandn",VEX_RMrX,16),
805 
806 /*  [E0]  */	TNSZ("vpavgb",VEX_RMrX,16),	TNSZ("vpsraw",VEX_RMrX,16),	TNSZ("vpsrad",VEX_RMrX,16),	TNSZ("vpavgw",VEX_RMrX,16),
807 /*  [E4]  */	TNSZ("vpmulhuw",VEX_RMrX,16),	TNSZ("vpmulhw",VEX_RMrX,16),	TNSZ("vcvttpd2dq",VEX_MX,16),TNSZ("vmovntdq",VEX_RM,16),
808 /*  [E8]  */	TNSZ("vpsubsb",VEX_RMrX,16),	TNSZ("vpsubsw",VEX_RMrX,16),	TNSZ("vpminsw",VEX_RMrX,16),	TNSZ("vpor",VEX_RMrX,16),
809 /*  [EC]  */	TNSZ("vpaddsb",VEX_RMrX,16),	TNSZ("vpaddsw",VEX_RMrX,16),	TNSZ("vpmaxsw",VEX_RMrX,16),	TNSZ("vpxor",VEX_RMrX,16),
810 
811 /*  [F0]  */	INVALID,		TNSZ("vpsllw",VEX_RMrX,16),	TNSZ("vpslld",VEX_RMrX,16),	TNSZ("vpsllq",VEX_RMrX,16),
812 /*  [F4]  */	TNSZ("vpmuludq",VEX_RMrX,16),	TNSZ("vpmaddwd",VEX_RMrX,16),	TNSZ("vpsadbw",VEX_RMrX,16),	TNS("vmaskmovdqu",VEX_MX),
813 /*  [F8]  */	TNSZ("vpsubb",VEX_RMrX,16),	TNSZ("vpsubw",VEX_RMrX,16),	TNSZ("vpsubd",VEX_RMrX,16),	TNSZ("vpsubq",VEX_RMrX,16),
814 /*  [FC]  */	TNSZ("vpaddb",VEX_RMrX,16),	TNSZ("vpaddw",VEX_RMrX,16),	TNSZ("vpaddd",VEX_RMrX,16),	INVALID,
815 };
816 
817 /*
818  *	Decode table for SIMD instructions with the repnz (0xf2) prefix.
819  */
820 const instable_t dis_opSIMDrepnz[256] = {
821 /*  [00]  */	INVALID,		INVALID,		INVALID,		INVALID,
822 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
823 /*  [08]  */	INVALID,		INVALID,		INVALID,		INVALID,
824 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
825 
826 /*  [10]  */	TNSZ("movsd",XMM,8),	TNSZ("movsd",XMMS,8),	TNSZ("movddup",XMM,8),	INVALID,
827 /*  [14]  */	INVALID,		INVALID,		INVALID,		INVALID,
828 /*  [18]  */	INVALID,		INVALID,		INVALID,		INVALID,
829 /*  [1C]  */	INVALID,		INVALID,		INVALID,		INVALID,
830 
831 /*  [20]  */	INVALID,		INVALID,		INVALID,		INVALID,
832 /*  [24]  */	INVALID,		INVALID,		INVALID,		INVALID,
833 /*  [28]  */	INVALID,		INVALID,		TNSZ("cvtsi2sd",XMM3MX,4),TNSZ("movntsd",XMMMS,8),
834 /*  [2C]  */	TNSZ("cvttsd2si",XMMXM3,8),TNSZ("cvtsd2si",XMMXM3,8),INVALID,		INVALID,
835 
836 /*  [30]  */	INVALID,		INVALID,		INVALID,		INVALID,
837 /*  [34]  */	INVALID,		INVALID,		INVALID,		INVALID,
838 /*  [38]  */	INVALID,		INVALID,		INVALID,		INVALID,
839 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
840 
841 /*  [40]  */	INVALID,		INVALID,		INVALID,		INVALID,
842 /*  [44]  */	INVALID,		INVALID,		INVALID,		INVALID,
843 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
844 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
845 
846 /*  [50]  */	INVALID,		TNSZ("sqrtsd",XMM,8),	INVALID,		INVALID,
847 /*  [54]  */	INVALID,		INVALID,		INVALID,		INVALID,
848 /*  [58]  */	TNSZ("addsd",XMM,8),	TNSZ("mulsd",XMM,8),	TNSZ("cvtsd2ss",XMM,8),	INVALID,
849 /*  [5C]  */	TNSZ("subsd",XMM,8),	TNSZ("minsd",XMM,8),	TNSZ("divsd",XMM,8),	TNSZ("maxsd",XMM,8),
850 
851 /*  [60]  */	INVALID,		INVALID,		INVALID,		INVALID,
852 /*  [64]  */	INVALID,		INVALID,		INVALID,		INVALID,
853 /*  [68]  */	INVALID,		INVALID,		INVALID,		INVALID,
854 /*  [6C]  */	INVALID,		INVALID,		INVALID,		INVALID,
855 
856 /*  [70]  */	TNSZ("pshuflw",XMMP,16),INVALID,		INVALID,		INVALID,
857 /*  [74]  */	INVALID,		INVALID,		INVALID,		INVALID,
858 /*  [78]  */	TNSZ("insertq",XMMX2I,16),TNSZ("insertq",XMM,8),INVALID,		INVALID,
859 /*  [7C]  */	TNSZ("haddps",XMM,16),	TNSZ("hsubps",XMM,16),	INVALID,		INVALID,
860 
861 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
862 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
863 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
864 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
865 
866 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
867 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
868 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
869 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
870 
871 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
872 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
873 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
874 /*  [AC]  */	INVALID,		INVALID,		INVALID,		INVALID,
875 
876 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
877 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
878 /*  [B8]  */	INVALID,		INVALID,		INVALID,		INVALID,
879 /*  [BC]  */	INVALID,		INVALID,		INVALID,		INVALID,
880 
881 /*  [C0]  */	INVALID,		INVALID,		TNSZ("cmpsd",XMMP,8),	INVALID,
882 /*  [C4]  */	INVALID,		INVALID,		INVALID,		INVALID,
883 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
884 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
885 
886 /*  [D0]  */	TNSZ("addsubps",XMM,16),INVALID,		INVALID,		INVALID,
887 /*  [D4]  */	INVALID,		INVALID,		TNS("movdq2q",XMMXM),	INVALID,
888 /*  [D8]  */	INVALID,		INVALID,		INVALID,		INVALID,
889 /*  [DC]  */	INVALID,		INVALID,		INVALID,		INVALID,
890 
891 /*  [E0]  */	INVALID,		INVALID,		INVALID,		INVALID,
892 /*  [E4]  */	INVALID,		INVALID,		TNSZ("cvtpd2dq",XMM,16),INVALID,
893 /*  [E8]  */	INVALID,		INVALID,		INVALID,		INVALID,
894 /*  [EC]  */	INVALID,		INVALID,		INVALID,		INVALID,
895 
896 /*  [F0]  */	TNS("lddqu",XMMM),	INVALID,		INVALID,		INVALID,
897 /*  [F4]  */	INVALID,		INVALID,		INVALID,		INVALID,
898 /*  [F8]  */	INVALID,		INVALID,		INVALID,		INVALID,
899 /*  [FC]  */	INVALID,		INVALID,		INVALID,		INVALID,
900 };
901 
902 const instable_t dis_opAVXF20F[256] = {
903 /*  [00]  */	INVALID,		INVALID,		INVALID,		INVALID,
904 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
905 /*  [08]  */	INVALID,		INVALID,		INVALID,		INVALID,
906 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
907 
908 /*  [10]  */	TNSZ("vmovsd",VEX_RMrX,8),	TNSZ("vmovsd",VEX_RRX,8),	TNSZ("vmovddup",VEX_MX,8),	INVALID,
909 /*  [14]  */	INVALID,		INVALID,		INVALID,		INVALID,
910 /*  [18]  */	INVALID,		INVALID,		INVALID,		INVALID,
911 /*  [1C]  */	INVALID,		INVALID,		INVALID,		INVALID,
912 
913 /*  [20]  */	INVALID,		INVALID,		INVALID,		INVALID,
914 /*  [24]  */	INVALID,		INVALID,		INVALID,		INVALID,
915 /*  [28]  */	INVALID,		INVALID,		TNSZ("vcvtsi2sd",VEX_RMrX,4),INVALID,
916 /*  [2C]  */	TNSZ("vcvttsd2si",VEX_MR,8),TNSZ("vcvtsd2si",VEX_MR,8),INVALID,		INVALID,
917 
918 /*  [30]  */	INVALID,		INVALID,		INVALID,		INVALID,
919 /*  [34]  */	INVALID,		INVALID,		INVALID,		INVALID,
920 /*  [38]  */	INVALID,		INVALID,		INVALID,		INVALID,
921 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
922 
923 /*  [40]  */	INVALID,		INVALID,		INVALID,		INVALID,
924 /*  [44]  */	INVALID,		INVALID,		INVALID,		INVALID,
925 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
926 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
927 
928 /*  [50]  */	INVALID,		TNSZ("vsqrtsd",VEX_RMrX,8),	INVALID,		INVALID,
929 /*  [54]  */	INVALID,		INVALID,		INVALID,		INVALID,
930 /*  [58]  */	TNSZ("vaddsd",VEX_RMrX,8),	TNSZ("vmulsd",VEX_RMrX,8),	TNSZ("vcvtsd2ss",VEX_RMrX,8),	INVALID,
931 /*  [5C]  */	TNSZ("vsubsd",VEX_RMrX,8),	TNSZ("vminsd",VEX_RMrX,8),	TNSZ("vdivsd",VEX_RMrX,8),	TNSZ("vmaxsd",VEX_RMrX,8),
932 
933 /*  [60]  */	INVALID,		INVALID,		INVALID,		INVALID,
934 /*  [64]  */	INVALID,		INVALID,		INVALID,		INVALID,
935 /*  [68]  */	INVALID,		INVALID,		INVALID,		INVALID,
936 /*  [6C]  */	INVALID,		INVALID,		INVALID,		INVALID,
937 
938 /*  [70]  */	TNSZ("vpshuflw",VEX_MXI,16),INVALID,		INVALID,		INVALID,
939 /*  [74]  */	INVALID,		INVALID,		INVALID,		INVALID,
940 /*  [78]  */	INVALID,		INVALID,		INVALID,		INVALID,
941 /*  [7C]  */	TNSZ("vhaddps",VEX_RMrX,8),	TNSZ("vhsubps",VEX_RMrX,8),	INVALID,		INVALID,
942 
943 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
944 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
945 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
946 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
947 
948 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
949 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
950 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
951 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
952 
953 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
954 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
955 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
956 /*  [AC]  */	INVALID,		INVALID,		INVALID,		INVALID,
957 
958 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
959 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
960 /*  [B8]  */	INVALID,		INVALID,		INVALID,		INVALID,
961 /*  [BC]  */	INVALID,		INVALID,		INVALID,		INVALID,
962 
963 /*  [C0]  */	INVALID,		INVALID,		TNSZ("vcmpsd",VEX_RMRX,8),	INVALID,
964 /*  [C4]  */	INVALID,		INVALID,		INVALID,		INVALID,
965 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
966 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
967 
968 /*  [D0]  */	TNSZ("vaddsubps",VEX_RMrX,8),	INVALID,		INVALID,		INVALID,
969 /*  [D4]  */	INVALID,		INVALID,		INVALID,		INVALID,
970 /*  [D8]  */	INVALID,		INVALID,		INVALID,		INVALID,
971 /*  [DC]  */	INVALID,		INVALID,		INVALID,		INVALID,
972 
973 /*  [E0]  */	INVALID,		INVALID,		INVALID,		INVALID,
974 /*  [E4]  */	INVALID,		INVALID,		TNSZ("vcvtpd2dq",VEX_MX,16),INVALID,
975 /*  [E8]  */	INVALID,		INVALID,		INVALID,		INVALID,
976 /*  [EC]  */	INVALID,		INVALID,		INVALID,		INVALID,
977 
978 /*  [F0]  */	TNSZ("vlddqu",VEX_MX,16),	INVALID,		INVALID,		INVALID,
979 /*  [F4]  */	INVALID,		INVALID,		INVALID,		INVALID,
980 /*  [F8]  */	INVALID,		INVALID,		INVALID,		INVALID,
981 /*  [FC]  */	INVALID,		INVALID,		INVALID,		INVALID,
982 };
983 
984 const instable_t dis_opAVXF20F3A[256] = {
985 /*  [00]  */	INVALID,		INVALID,		INVALID,		INVALID,
986 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
987 /*  [08]  */	INVALID,		INVALID,		INVALID,		INVALID,
988 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
989 
990 /*  [10]  */	INVALID,		INVALID,		INVALID,		INVALID,
991 /*  [14]  */	INVALID,		INVALID,		INVALID,		INVALID,
992 /*  [18]  */	INVALID,		INVALID,		INVALID,		INVALID,
993 /*  [1C]  */	INVALID,		INVALID,		INVALID,		INVALID,
994 
995 /*  [20]  */	INVALID,		INVALID,		INVALID,		INVALID,
996 /*  [24]  */	INVALID,		INVALID,		INVALID,		INVALID,
997 /*  [28]  */	INVALID,		INVALID,		INVALID,		INVALID,
998 /*  [2C]  */	INVALID,		INVALID,		INVALID,		INVALID,
999 
1000 /*  [30]  */	INVALID,		INVALID,		INVALID,		INVALID,
1001 /*  [34]  */	INVALID,		INVALID,		INVALID,		INVALID,
1002 /*  [38]  */	INVALID,		INVALID,		INVALID,		INVALID,
1003 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1004 
1005 /*  [40]  */	INVALID,		INVALID,		INVALID,		INVALID,
1006 /*  [44]  */	INVALID,		INVALID,		INVALID,		INVALID,
1007 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
1008 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1009 
1010 /*  [50]  */	INVALID,		INVALID,		INVALID,		INVALID,
1011 /*  [54]  */	INVALID,		INVALID,		INVALID,		INVALID,
1012 /*  [58]  */	INVALID,		INVALID,		INVALID,		INVALID,
1013 /*  [5C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1014 
1015 /*  [60]  */	INVALID,		INVALID,		INVALID,		INVALID,
1016 /*  [64]  */	INVALID,		INVALID,		INVALID,		INVALID,
1017 /*  [68]  */	INVALID,		INVALID,		INVALID,		INVALID,
1018 /*  [6C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1019 
1020 /*  [70]  */	INVALID,		INVALID,		INVALID,		INVALID,
1021 /*  [74]  */	INVALID,		INVALID,		INVALID,		INVALID,
1022 /*  [78]  */	INVALID,		INVALID,		INVALID,		INVALID,
1023 /*  [7C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1024 
1025 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
1026 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
1027 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
1028 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1029 
1030 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
1031 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
1032 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
1033 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1034 
1035 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1036 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1037 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1038 /*  [AC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1039 
1040 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1041 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1042 /*  [B8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1043 /*  [BC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1044 
1045 /*  [C0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1046 /*  [C4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1047 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1048 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1049 
1050 /*  [D0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1051 /*  [D4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1052 /*  [D8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1053 /*  [DC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1054 
1055 /*  [E0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1056 /*  [E4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1057 /*  [E8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1058 /*  [EC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1059 
1060 /*  [F0]  */	TNSZvr("rorx",VEX_MXI,6),INVALID,		INVALID,		INVALID,
1061 /*  [F4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1062 /*  [F8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1063 /*  [FC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1064 };
1065 
1066 const instable_t dis_opAVXF20F38[256] = {
1067 /*  [00]  */	INVALID,		INVALID,		INVALID,		INVALID,
1068 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
1069 /*  [08]  */	INVALID,		INVALID,		INVALID,		INVALID,
1070 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1071 
1072 /*  [10]  */	INVALID,		INVALID,		INVALID,		INVALID,
1073 /*  [14]  */	INVALID,		INVALID,		INVALID,		INVALID,
1074 /*  [18]  */	INVALID,		INVALID,		INVALID,		INVALID,
1075 /*  [1C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1076 
1077 /*  [20]  */	INVALID,		INVALID,		INVALID,		INVALID,
1078 /*  [24]  */	INVALID,		INVALID,		INVALID,		INVALID,
1079 /*  [28]  */	INVALID,		INVALID,		INVALID,		INVALID,
1080 /*  [2C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1081 
1082 /*  [30]  */	INVALID,		INVALID,		INVALID,		INVALID,
1083 /*  [34]  */	INVALID,		INVALID,		INVALID,		INVALID,
1084 /*  [38]  */	INVALID,		INVALID,		INVALID,		INVALID,
1085 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1086 
1087 /*  [40]  */	INVALID,		INVALID,		INVALID,		INVALID,
1088 /*  [44]  */	INVALID,		INVALID,		INVALID,		INVALID,
1089 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
1090 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1091 
1092 /*  [50]  */	INVALID,		INVALID,		INVALID,		INVALID,
1093 /*  [54]  */	INVALID,		INVALID,		INVALID,		INVALID,
1094 /*  [58]  */	INVALID,		INVALID,		INVALID,		INVALID,
1095 /*  [5C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1096 
1097 /*  [60]  */	INVALID,		INVALID,		INVALID,		INVALID,
1098 /*  [64]  */	INVALID,		INVALID,		INVALID,		INVALID,
1099 /*  [68]  */	INVALID,		INVALID,		INVALID,		INVALID,
1100 /*  [6C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1101 
1102 /*  [70]  */	INVALID,		INVALID,		INVALID,		INVALID,
1103 /*  [74]  */	INVALID,		INVALID,		INVALID,		INVALID,
1104 /*  [78]  */	INVALID,		INVALID,		INVALID,		INVALID,
1105 /*  [7C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1106 
1107 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
1108 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
1109 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
1110 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1111 
1112 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
1113 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
1114 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
1115 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1116 
1117 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1118 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1119 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1120 /*  [AC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1121 
1122 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1123 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1124 /*  [B8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1125 /*  [BC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1126 
1127 /*  [C0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1128 /*  [C4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1129 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1130 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1131 
1132 /*  [D0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1133 /*  [D4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1134 /*  [D8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1135 /*  [DC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1136 
1137 /*  [E0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1138 /*  [E4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1139 /*  [E8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1140 /*  [EC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1141 
1142 /*  [F0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1143 /*  [F4]  */	INVALID,		TNSZvr("pdep",VEX_RMrX,5),TNSZvr("mulx",VEX_RMrX,5),TNSZvr("shrx",VEX_VRMrX,5),
1144 /*  [F8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1145 /*  [FC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1146 };
1147 
1148 const instable_t dis_opAVXF30F38[256] = {
1149 /*  [00]  */	INVALID,		INVALID,		INVALID,		INVALID,
1150 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
1151 /*  [08]  */	INVALID,		INVALID,		INVALID,		INVALID,
1152 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1153 
1154 /*  [10]  */	INVALID,		INVALID,		INVALID,		INVALID,
1155 /*  [14]  */	INVALID,		INVALID,		INVALID,		INVALID,
1156 /*  [18]  */	INVALID,		INVALID,		INVALID,		INVALID,
1157 /*  [1C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1158 
1159 /*  [20]  */	INVALID,		INVALID,		INVALID,		INVALID,
1160 /*  [24]  */	INVALID,		INVALID,		INVALID,		INVALID,
1161 /*  [28]  */	INVALID,		INVALID,		INVALID,		INVALID,
1162 /*  [2C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1163 
1164 /*  [30]  */	INVALID,		INVALID,		INVALID,		INVALID,
1165 /*  [34]  */	INVALID,		INVALID,		INVALID,		INVALID,
1166 /*  [38]  */	INVALID,		INVALID,		INVALID,		INVALID,
1167 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1168 
1169 /*  [40]  */	INVALID,		INVALID,		INVALID,		INVALID,
1170 /*  [44]  */	INVALID,		INVALID,		INVALID,		INVALID,
1171 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
1172 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1173 
1174 /*  [50]  */	INVALID,		INVALID,		INVALID,		INVALID,
1175 /*  [54]  */	INVALID,		INVALID,		INVALID,		INVALID,
1176 /*  [58]  */	INVALID,		INVALID,		INVALID,		INVALID,
1177 /*  [5C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1178 
1179 /*  [60]  */	INVALID,		INVALID,		INVALID,		INVALID,
1180 /*  [64]  */	INVALID,		INVALID,		INVALID,		INVALID,
1181 /*  [68]  */	INVALID,		INVALID,		INVALID,		INVALID,
1182 /*  [6C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1183 
1184 /*  [70]  */	INVALID,		INVALID,		INVALID,		INVALID,
1185 /*  [74]  */	INVALID,		INVALID,		INVALID,		INVALID,
1186 /*  [78]  */	INVALID,		INVALID,		INVALID,		INVALID,
1187 /*  [7C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1188 
1189 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
1190 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
1191 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
1192 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1193 
1194 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
1195 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
1196 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
1197 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1198 
1199 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1200 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1201 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1202 /*  [AC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1203 
1204 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1205 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1206 /*  [B8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1207 /*  [BC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1208 
1209 /*  [C0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1210 /*  [C4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1211 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1212 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1213 
1214 /*  [D0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1215 /*  [D4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1216 /*  [D8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1217 /*  [DC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1218 
1219 /*  [E0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1220 /*  [E4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1221 /*  [E8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1222 /*  [EC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1223 
1224 /*  [F0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1225 /*  [F4]  */	INVALID,		TNSZvr("pext",VEX_RMrX,5),INVALID,		TNSZvr("sarx",VEX_VRMrX,5),
1226 /*  [F8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1227 /*  [FC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1228 };
1229 /*
1230  *	Decode table for SIMD instructions with the repz (0xf3) prefix.
1231  */
1232 const instable_t dis_opSIMDrepz[256] = {
1233 /*  [00]  */	INVALID,		INVALID,		INVALID,		INVALID,
1234 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
1235 /*  [08]  */	INVALID,		INVALID,		INVALID,		INVALID,
1236 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1237 
1238 /*  [10]  */	TNSZ("movss",XMM,4),	TNSZ("movss",XMMS,4),	TNSZ("movsldup",XMM,16),INVALID,
1239 /*  [14]  */	INVALID,		INVALID,		TNSZ("movshdup",XMM,16),INVALID,
1240 /*  [18]  */	INVALID,		INVALID,		INVALID,		INVALID,
1241 /*  [1C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1242 
1243 /*  [20]  */	INVALID,		INVALID,		INVALID,		INVALID,
1244 /*  [24]  */	INVALID,		INVALID,		INVALID,		INVALID,
1245 /*  [28]  */	INVALID,		INVALID,		TNSZ("cvtsi2ss",XMM3MX,4),TNSZ("movntss",XMMMS,4),
1246 /*  [2C]  */	TNSZ("cvttss2si",XMMXM3,4),TNSZ("cvtss2si",XMMXM3,4),INVALID,		INVALID,
1247 
1248 /*  [30]  */	INVALID,		INVALID,		INVALID,		INVALID,
1249 /*  [34]  */	INVALID,		INVALID,		INVALID,		INVALID,
1250 /*  [38]  */	INVALID,		INVALID,		INVALID,		INVALID,
1251 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1252 
1253 /*  [40]  */	INVALID,		INVALID,		INVALID,		INVALID,
1254 /*  [44]  */	INVALID,		INVALID,		INVALID,		INVALID,
1255 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
1256 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1257 
1258 /*  [50]  */	INVALID,		TNSZ("sqrtss",XMM,4),	TNSZ("rsqrtss",XMM,4),	TNSZ("rcpss",XMM,4),
1259 /*  [54]  */	INVALID,		INVALID,		INVALID,		INVALID,
1260 /*  [58]  */	TNSZ("addss",XMM,4),	TNSZ("mulss",XMM,4),	TNSZ("cvtss2sd",XMM,4),	TNSZ("cvttps2dq",XMM,16),
1261 /*  [5C]  */	TNSZ("subss",XMM,4),	TNSZ("minss",XMM,4),	TNSZ("divss",XMM,4),	TNSZ("maxss",XMM,4),
1262 
1263 /*  [60]  */	INVALID,		INVALID,		INVALID,		INVALID,
1264 /*  [64]  */	INVALID,		INVALID,		INVALID,		INVALID,
1265 /*  [68]  */	INVALID,		INVALID,		INVALID,		INVALID,
1266 /*  [6C]  */	INVALID,		INVALID,		INVALID,		TNSZ("movdqu",XMM,16),
1267 
1268 /*  [70]  */	TNSZ("pshufhw",XMMP,16),INVALID,		INVALID,		INVALID,
1269 /*  [74]  */	INVALID,		INVALID,		INVALID,		INVALID,
1270 /*  [78]  */	INVALID,		INVALID,		INVALID,		INVALID,
1271 /*  [7C]  */	INVALID,		INVALID,		TNSZ("movq",XMM,8),	TNSZ("movdqu",XMMS,16),
1272 
1273 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
1274 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
1275 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
1276 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1277 
1278 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
1279 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
1280 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
1281 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1282 
1283 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1284 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1285 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1286 /*  [AC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1287 
1288 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1289 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1290 /*  [B8]  */	TS("popcnt",MRw),	INVALID,		INVALID,		INVALID,
1291 /*  [BC]  */	TNSZ("tzcnt",MRw,5),	TS("lzcnt",MRw),	INVALID,		INVALID,
1292 
1293 /*  [C0]  */	INVALID,		INVALID,		TNSZ("cmpss",XMMP,4),	INVALID,
1294 /*  [C4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1295 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1296 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1297 
1298 /*  [D0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1299 /*  [D4]  */	INVALID,		INVALID,		TNS("movq2dq",XMMMX),	INVALID,
1300 /*  [D8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1301 /*  [DC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1302 
1303 /*  [E0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1304 /*  [E4]  */	INVALID,		INVALID,		TNSZ("cvtdq2pd",XMM,8),	INVALID,
1305 /*  [E8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1306 /*  [EC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1307 
1308 /*  [F0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1309 /*  [F4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1310 /*  [F8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1311 /*  [FC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1312 };
1313 
1314 const instable_t dis_opAVXF30F[256] = {
1315 /*  [00]  */	INVALID,		INVALID,		INVALID,		INVALID,
1316 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
1317 /*  [08]  */	INVALID,		INVALID,		INVALID,		INVALID,
1318 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1319 
1320 /*  [10]  */	TNSZ("vmovss",VEX_RMrX,4),	TNSZ("vmovss",VEX_RRX,4),	TNSZ("vmovsldup",VEX_MX,4),	INVALID,
1321 /*  [14]  */	INVALID,		INVALID,		TNSZ("vmovshdup",VEX_MX,4),	INVALID,
1322 /*  [18]  */	INVALID,		INVALID,		INVALID,		INVALID,
1323 /*  [1C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1324 
1325 /*  [20]  */	INVALID,		INVALID,		INVALID,		INVALID,
1326 /*  [24]  */	INVALID,		INVALID,		INVALID,		INVALID,
1327 /*  [28]  */	INVALID,		INVALID,		TNSZ("vcvtsi2ss",VEX_RMrX,4),INVALID,
1328 /*  [2C]  */	TNSZ("vcvttss2si",VEX_MR,4),TNSZ("vcvtss2si",VEX_MR,4),INVALID,		INVALID,
1329 
1330 /*  [30]  */	INVALID,		INVALID,		INVALID,		INVALID,
1331 /*  [34]  */	INVALID,		INVALID,		INVALID,		INVALID,
1332 /*  [38]  */	INVALID,		INVALID,		INVALID,		INVALID,
1333 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1334 
1335 /*  [40]  */	INVALID,		INVALID,		INVALID,		INVALID,
1336 /*  [44]  */	INVALID,		INVALID,		INVALID,		INVALID,
1337 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
1338 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1339 
1340 /*  [50]  */	INVALID,		TNSZ("vsqrtss",VEX_RMrX,4),	TNSZ("vrsqrtss",VEX_RMrX,4),	TNSZ("vrcpss",VEX_RMrX,4),
1341 /*  [54]  */	INVALID,		INVALID,		INVALID,		INVALID,
1342 /*  [58]  */	TNSZ("vaddss",VEX_RMrX,4),	TNSZ("vmulss",VEX_RMrX,4),	TNSZ("vcvtss2sd",VEX_RMrX,4),	TNSZ("vcvttps2dq",VEX_MX,16),
1343 /*  [5C]  */	TNSZ("vsubss",VEX_RMrX,4),	TNSZ("vminss",VEX_RMrX,4),	TNSZ("vdivss",VEX_RMrX,4),	TNSZ("vmaxss",VEX_RMrX,4),
1344 
1345 /*  [60]  */	INVALID,		INVALID,		INVALID,		INVALID,
1346 /*  [64]  */	INVALID,		INVALID,		INVALID,		INVALID,
1347 /*  [68]  */	INVALID,		INVALID,		INVALID,		INVALID,
1348 /*  [6C]  */	INVALID,		INVALID,		INVALID,		TNSZ("vmovdqu",VEX_MX,16),
1349 
1350 /*  [70]  */	TNSZ("vpshufhw",VEX_MXI,16),INVALID,		INVALID,		INVALID,
1351 /*  [74]  */	INVALID,		INVALID,		INVALID,		INVALID,
1352 /*  [78]  */	INVALID,		INVALID,		INVALID,		INVALID,
1353 /*  [7C]  */	INVALID,		INVALID,		TNSZ("vmovq",VEX_MX,8),	TNSZ("vmovdqu",VEX_RX,16),
1354 
1355 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
1356 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
1357 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
1358 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1359 
1360 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
1361 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
1362 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
1363 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1364 
1365 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1366 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1367 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1368 /*  [AC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1369 
1370 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1371 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1372 /*  [B8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1373 /*  [BC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1374 
1375 /*  [C0]  */	INVALID,		INVALID,		TNSZ("vcmpss",VEX_RMRX,4),	INVALID,
1376 /*  [C4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1377 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1378 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1379 
1380 /*  [D0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1381 /*  [D4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1382 /*  [D8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1383 /*  [DC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1384 
1385 /*  [E0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1386 /*  [E4]  */	INVALID,		INVALID,		TNSZ("vcvtdq2pd",VEX_MX,8),	INVALID,
1387 /*  [E8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1388 /*  [EC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1389 
1390 /*  [F0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1391 /*  [F4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1392 /*  [F8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1393 /*  [FC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1394 };
1395 /*
1396  * The following two tables are used to encode crc32 and movbe
1397  * since they share the same opcodes.
1398  */
1399 const instable_t dis_op0F38F0[2] = {
1400 /*  [00]  */	TNS("crc32b",CRC32),
1401 		TS("movbe",MOVBE),
1402 };
1403 
1404 const instable_t dis_op0F38F1[2] = {
1405 /*  [00]  */	TS("crc32",CRC32),
1406 		TS("movbe",MOVBE),
1407 };
1408 
1409 /*
1410  * The following table is used to distinguish between adox and adcx which share
1411  * the same opcodes.
1412  */
1413 const instable_t dis_op0F38F6[2] = {
1414 /*  [00]  */	TNS("adcx",ADX),
1415 		TNS("adox",ADX),
1416 };
1417 
1418 const instable_t dis_op0F38[256] = {
1419 /*  [00]  */	TNSZ("pshufb",XMM_66o,16),TNSZ("phaddw",XMM_66o,16),TNSZ("phaddd",XMM_66o,16),TNSZ("phaddsw",XMM_66o,16),
1420 /*  [04]  */	TNSZ("pmaddubsw",XMM_66o,16),TNSZ("phsubw",XMM_66o,16),	TNSZ("phsubd",XMM_66o,16),TNSZ("phsubsw",XMM_66o,16),
1421 /*  [08]  */	TNSZ("psignb",XMM_66o,16),TNSZ("psignw",XMM_66o,16),TNSZ("psignd",XMM_66o,16),TNSZ("pmulhrsw",XMM_66o,16),
1422 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1423 
1424 /*  [10]  */	TNSZ("pblendvb",XMM_66r,16),INVALID,		INVALID,		INVALID,
1425 /*  [14]  */	TNSZ("blendvps",XMM_66r,16),TNSZ("blendvpd",XMM_66r,16),INVALID,	TNSZ("ptest",XMM_66r,16),
1426 /*  [18]  */	INVALID,		INVALID,		INVALID,		INVALID,
1427 /*  [1C]  */	TNSZ("pabsb",XMM_66o,16),TNSZ("pabsw",XMM_66o,16),TNSZ("pabsd",XMM_66o,16),INVALID,
1428 
1429 /*  [20]  */	TNSZ("pmovsxbw",XMM_66r,16),TNSZ("pmovsxbd",XMM_66r,16),TNSZ("pmovsxbq",XMM_66r,16),TNSZ("pmovsxwd",XMM_66r,16),
1430 /*  [24]  */	TNSZ("pmovsxwq",XMM_66r,16),TNSZ("pmovsxdq",XMM_66r,16),INVALID,	INVALID,
1431 /*  [28]  */	TNSZ("pmuldq",XMM_66r,16),TNSZ("pcmpeqq",XMM_66r,16),TNSZ("movntdqa",XMMM_66r,16),TNSZ("packusdw",XMM_66r,16),
1432 /*  [2C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1433 
1434 /*  [30]  */	TNSZ("pmovzxbw",XMM_66r,16),TNSZ("pmovzxbd",XMM_66r,16),TNSZ("pmovzxbq",XMM_66r,16),TNSZ("pmovzxwd",XMM_66r,16),
1435 /*  [34]  */	TNSZ("pmovzxwq",XMM_66r,16),TNSZ("pmovzxdq",XMM_66r,16),INVALID,	TNSZ("pcmpgtq",XMM_66r,16),
1436 /*  [38]  */	TNSZ("pminsb",XMM_66r,16),TNSZ("pminsd",XMM_66r,16),TNSZ("pminuw",XMM_66r,16),TNSZ("pminud",XMM_66r,16),
1437 /*  [3C]  */	TNSZ("pmaxsb",XMM_66r,16),TNSZ("pmaxsd",XMM_66r,16),TNSZ("pmaxuw",XMM_66r,16),TNSZ("pmaxud",XMM_66r,16),
1438 
1439 /*  [40]  */	TNSZ("pmulld",XMM_66r,16),TNSZ("phminposuw",XMM_66r,16),INVALID,	INVALID,
1440 /*  [44]  */	INVALID,		INVALID,		INVALID,		INVALID,
1441 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
1442 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1443 
1444 /*  [50]  */	INVALID,		INVALID,		INVALID,		INVALID,
1445 /*  [54]  */	INVALID,		INVALID,		INVALID,		INVALID,
1446 /*  [58]  */	INVALID,		INVALID,		INVALID,		INVALID,
1447 /*  [5C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1448 
1449 /*  [60]  */	INVALID,		INVALID,		INVALID,		INVALID,
1450 /*  [64]  */	INVALID,		INVALID,		INVALID,		INVALID,
1451 /*  [68]  */	INVALID,		INVALID,		INVALID,		INVALID,
1452 /*  [6C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1453 
1454 /*  [70]  */	INVALID,		INVALID,		INVALID,		INVALID,
1455 /*  [74]  */	INVALID,		INVALID,		INVALID,		INVALID,
1456 /*  [78]  */	INVALID,		INVALID,		INVALID,		INVALID,
1457 /*  [7C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1458 
1459 /*  [80]  */	TNSy("invept", RM_66r),	TNSy("invvpid", RM_66r),TNSy("invpcid", RM_66r),INVALID,
1460 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
1461 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
1462 /*  [8C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1463 
1464 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
1465 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
1466 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
1467 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1468 
1469 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1470 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1471 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1472 /*  [AC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1473 
1474 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1475 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1476 /*  [B8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1477 /*  [BC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1478 
1479 /*  [C0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1480 /*  [C4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1481 /*  [C8]  */	TNSZ("sha1nexte",XMM,16),TNSZ("sha1msg1",XMM,16),TNSZ("sha1msg2",XMM,16),TNSZ("sha256rnds2",XMM,16),
1482 /*  [CC]  */	TNSZ("sha256msg1",XMM,16),TNSZ("sha256msg2",XMM,16),INVALID,		INVALID,
1483 
1484 /*  [D0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1485 /*  [D4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1486 /*  [D8]  */	INVALID,		INVALID,		INVALID,		TNSZ("aesimc",XMM_66r,16),
1487 /*  [DC]  */	TNSZ("aesenc",XMM_66r,16),TNSZ("aesenclast",XMM_66r,16),TNSZ("aesdec",XMM_66r,16),TNSZ("aesdeclast",XMM_66r,16),
1488 
1489 /*  [E0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1490 /*  [E4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1491 /*  [E8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1492 /*  [EC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1493 /*  [F0]  */	IND(dis_op0F38F0),	IND(dis_op0F38F1),	INVALID,		INVALID,
1494 /*  [F4]  */	INVALID,		INVALID,		IND(dis_op0F38F6),	INVALID,
1495 /*  [F8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1496 /*  [FC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1497 };
1498 
1499 const instable_t dis_opAVX660F38[256] = {
1500 /*  [00]  */	TNSZ("vpshufb",VEX_RMrX,16),TNSZ("vphaddw",VEX_RMrX,16),TNSZ("vphaddd",VEX_RMrX,16),TNSZ("vphaddsw",VEX_RMrX,16),
1501 /*  [04]  */	TNSZ("vpmaddubsw",VEX_RMrX,16),TNSZ("vphsubw",VEX_RMrX,16),	TNSZ("vphsubd",VEX_RMrX,16),TNSZ("vphsubsw",VEX_RMrX,16),
1502 /*  [08]  */	TNSZ("vpsignb",VEX_RMrX,16),TNSZ("vpsignw",VEX_RMrX,16),TNSZ("vpsignd",VEX_RMrX,16),TNSZ("vpmulhrsw",VEX_RMrX,16),
1503 /*  [0C]  */	TNSZ("vpermilps",VEX_RMrX,8),TNSZ("vpermilpd",VEX_RMrX,16),TNSZ("vtestps",VEX_RRI,8),	TNSZ("vtestpd",VEX_RRI,16),
1504 
1505 /*  [10]  */	INVALID,		INVALID,		INVALID,		TNSZ("vcvtph2ps",VEX_MX,16),
1506 /*  [14]  */	INVALID,		INVALID,		TNSZ("vpermps",VEX_RMrX,16),TNSZ("vptest",VEX_RRI,16),
1507 /*  [18]  */	TNSZ("vbroadcastss",VEX_MX,4),TNSZ("vbroadcastsd",VEX_MX,8),TNSZ("vbroadcastf128",VEX_MX,16),INVALID,
1508 /*  [1C]  */	TNSZ("vpabsb",VEX_MX,16),TNSZ("vpabsw",VEX_MX,16),TNSZ("vpabsd",VEX_MX,16),INVALID,
1509 
1510 /*  [20]  */	TNSZ("vpmovsxbw",VEX_MX,16),TNSZ("vpmovsxbd",VEX_MX,16),TNSZ("vpmovsxbq",VEX_MX,16),TNSZ("vpmovsxwd",VEX_MX,16),
1511 /*  [24]  */	TNSZ("vpmovsxwq",VEX_MX,16),TNSZ("vpmovsxdq",VEX_MX,16),INVALID,	INVALID,
1512 /*  [28]  */	TNSZ("vpmuldq",VEX_RMrX,16),TNSZ("vpcmpeqq",VEX_RMrX,16),TNSZ("vmovntdqa",VEX_MX,16),TNSZ("vpackusdw",VEX_RMrX,16),
1513 /*  [2C]  */	TNSZ("vmaskmovps",VEX_RMrX,8),TNSZ("vmaskmovpd",VEX_RMrX,16),TNSZ("vmaskmovps",VEX_RRM,8),TNSZ("vmaskmovpd",VEX_RRM,16),
1514 
1515 /*  [30]  */	TNSZ("vpmovzxbw",VEX_MX,16),TNSZ("vpmovzxbd",VEX_MX,16),TNSZ("vpmovzxbq",VEX_MX,16),TNSZ("vpmovzxwd",VEX_MX,16),
1516 /*  [34]  */	TNSZ("vpmovzxwq",VEX_MX,16),TNSZ("vpmovzxdq",VEX_MX,16),TNSZ("vpermd",VEX_RMrX,16),TNSZ("vpcmpgtq",VEX_RMrX,16),
1517 /*  [38]  */	TNSZ("vpminsb",VEX_RMrX,16),TNSZ("vpminsd",VEX_RMrX,16),TNSZ("vpminuw",VEX_RMrX,16),TNSZ("vpminud",VEX_RMrX,16),
1518 /*  [3C]  */	TNSZ("vpmaxsb",VEX_RMrX,16),TNSZ("vpmaxsd",VEX_RMrX,16),TNSZ("vpmaxuw",VEX_RMrX,16),TNSZ("vpmaxud",VEX_RMrX,16),
1519 
1520 /*  [40]  */	TNSZ("vpmulld",VEX_RMrX,16),TNSZ("vphminposuw",VEX_MX,16),INVALID,	INVALID,
1521 /*  [44]  */	INVALID,		TSaZ("vpsrlv",VEX_RMrX,16),TNSZ("vpsravd",VEX_RMrX,16),TSaZ("vpsllv",VEX_RMrX,16),
1522 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
1523 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1524 
1525 /*  [50]  */	INVALID,		INVALID,		INVALID,		INVALID,
1526 /*  [54]  */	INVALID,		INVALID,		INVALID,		INVALID,
1527 /*  [58]  */	TNSZ("vpbroadcastd",VEX_MX,16),TNSZ("vpbroadcastq",VEX_MX,16),TNSZ("vbroadcasti128",VEX_MX,16),INVALID,
1528 /*  [5C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1529 
1530 /*  [60]  */	INVALID,		INVALID,		INVALID,		INVALID,
1531 /*  [64]  */	INVALID,		INVALID,		INVALID,		INVALID,
1532 /*  [68]  */	INVALID,		INVALID,		INVALID,		INVALID,
1533 /*  [6C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1534 
1535 /*  [70]  */	INVALID,		INVALID,		INVALID,		INVALID,
1536 /*  [74]  */	INVALID,		INVALID,		INVALID,		INVALID,
1537 /*  [78]  */	TNSZ("vpbroadcastb",VEX_MX,16),TNSZ("vpbroadcastw",VEX_MX,16),INVALID,	INVALID,
1538 /*  [7C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1539 
1540 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
1541 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
1542 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
1543 /*  [8C]  */	TSaZ("vpmaskmov",VEX_RMrX,16),INVALID,		TSaZ("vpmaskmov",VEX_RRM,16),INVALID,
1544 
1545 /*  [90]  */	TNSZ("vpgatherd",VEX_SbVM,16),TNSZ("vpgatherq",VEX_SbVM,16),TNSZ("vgatherdp",VEX_SbVM,16),TNSZ("vgatherqp",VEX_SbVM,16),
1546 /*  [94]  */	INVALID,		INVALID,		TNSZ("vfmaddsub132p",FMA,16),TNSZ("vfmsubadd132p",FMA,16),
1547 /*  [98]  */	TNSZ("vfmadd132p",FMA,16),TNSZ("vfmadd132s",FMA,16),TNSZ("vfmsub132p",FMA,16),TNSZ("vfmsub132s",FMA,16),
1548 /*  [9C]  */	TNSZ("vfnmadd132p",FMA,16),TNSZ("vfnmadd132s",FMA,16),TNSZ("vfnmsub132p",FMA,16),TNSZ("vfnmsub132s",FMA,16),
1549 
1550 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1551 /*  [A4]  */	INVALID,		INVALID,		TNSZ("vfmaddsub213p",FMA,16),TNSZ("vfmsubadd213p",FMA,16),
1552 /*  [A8]  */	TNSZ("vfmadd213p",FMA,16),TNSZ("vfmadd213s",FMA,16),TNSZ("vfmsub213p",FMA,16),TNSZ("vfmsub213s",FMA,16),
1553 /*  [AC]  */	TNSZ("vfnmadd213p",FMA,16),TNSZ("vfnmadd213s",FMA,16),TNSZ("vfnmsub213p",FMA,16),TNSZ("vfnmsub213s",FMA,16),
1554 
1555 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1556 /*  [B4]  */	INVALID,		INVALID,		TNSZ("vfmaddsub231p",FMA,16),TNSZ("vfmsubadd231p",FMA,16),
1557 /*  [B8]  */	TNSZ("vfmadd231p",FMA,16),TNSZ("vfmadd231s",FMA,16),TNSZ("vfmsub231p",FMA,16),TNSZ("vfmsub231s",FMA,16),
1558 /*  [BC]  */	TNSZ("vfnmadd231p",FMA,16),TNSZ("vfnmadd231s",FMA,16),TNSZ("vfnmsub231p",FMA,16),TNSZ("vfnmsub231s",FMA,16),
1559 
1560 /*  [C0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1561 /*  [C4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1562 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1563 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1564 
1565 /*  [D0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1566 /*  [D4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1567 /*  [D8]  */	INVALID,		INVALID,		INVALID,		TNSZ("vaesimc",VEX_MX,16),
1568 /*  [DC]  */	TNSZ("vaesenc",VEX_RMrX,16),TNSZ("vaesenclast",VEX_RMrX,16),TNSZ("vaesdec",VEX_RMrX,16),TNSZ("vaesdeclast",VEX_RMrX,16),
1569 
1570 /*  [E0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1571 /*  [E4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1572 /*  [E8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1573 /*  [EC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1574 /*  [F0]  */	IND(dis_op0F38F0),	IND(dis_op0F38F1),	INVALID,		INVALID,
1575 /*  [F4]  */	INVALID,		INVALID,		INVALID,		TNSZvr("shlx",VEX_VRMrX,5),
1576 /*  [F8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1577 /*  [FC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1578 };
1579 
1580 const instable_t dis_op0F3A[256] = {
1581 /*  [00]  */	INVALID,		INVALID,		INVALID,		INVALID,
1582 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
1583 /*  [08]  */	TNSZ("roundps",XMMP_66r,16),TNSZ("roundpd",XMMP_66r,16),TNSZ("roundss",XMMP_66r,16),TNSZ("roundsd",XMMP_66r,16),
1584 /*  [0C]  */	TNSZ("blendps",XMMP_66r,16),TNSZ("blendpd",XMMP_66r,16),TNSZ("pblendw",XMMP_66r,16),TNSZ("palignr",XMMP_66o,16),
1585 
1586 /*  [10]  */	INVALID,		INVALID,		INVALID,		INVALID,
1587 /*  [14]  */	TNSZ("pextrb",XMM3PM_66r,8),TNSZ("pextrw",XMM3PM_66r,16),TSZ("pextr",XMM3PM_66r,16),TNSZ("extractps",XMM3PM_66r,16),
1588 /*  [18]  */	INVALID,		INVALID,		INVALID,		INVALID,
1589 /*  [1C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1590 
1591 /*  [20]  */	TNSZ("pinsrb",XMMPRM_66r,8),TNSZ("insertps",XMMP_66r,16),TSZ("pinsr",XMMPRM_66r,16),INVALID,
1592 /*  [24]  */	INVALID,		INVALID,		INVALID,		INVALID,
1593 /*  [28]  */	INVALID,		INVALID,		INVALID,		INVALID,
1594 /*  [2C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1595 
1596 /*  [30]  */	INVALID,		INVALID,		INVALID,		INVALID,
1597 /*  [34]  */	INVALID,		INVALID,		INVALID,		INVALID,
1598 /*  [38]  */	INVALID,		INVALID,		INVALID,		INVALID,
1599 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1600 
1601 /*  [40]  */	TNSZ("dpps",XMMP_66r,16),TNSZ("dppd",XMMP_66r,16),TNSZ("mpsadbw",XMMP_66r,16),INVALID,
1602 /*  [44]  */	TNSZ("pclmulqdq",XMMP_66r,16),INVALID,		INVALID,		INVALID,
1603 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
1604 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1605 
1606 /*  [50]  */	INVALID,		INVALID,		INVALID,		INVALID,
1607 /*  [54]  */	INVALID,		INVALID,		INVALID,		INVALID,
1608 /*  [58]  */	INVALID,		INVALID,		INVALID,		INVALID,
1609 /*  [5C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1610 
1611 /*  [60]  */	TNSZ("pcmpestrm",XMMP_66r,16),TNSZ("pcmpestri",XMMP_66r,16),TNSZ("pcmpistrm",XMMP_66r,16),TNSZ("pcmpistri",XMMP_66r,16),
1612 /*  [64]  */	INVALID,		INVALID,		INVALID,		INVALID,
1613 /*  [68]  */	INVALID,		INVALID,		INVALID,		INVALID,
1614 /*  [6C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1615 
1616 /*  [70]  */	INVALID,		INVALID,		INVALID,		INVALID,
1617 /*  [74]  */	INVALID,		INVALID,		INVALID,		INVALID,
1618 /*  [78]  */	INVALID,		INVALID,		INVALID,		INVALID,
1619 /*  [7C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1620 
1621 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
1622 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
1623 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
1624 /*  [8C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1625 
1626 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
1627 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
1628 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
1629 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1630 
1631 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1632 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1633 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1634 /*  [AC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1635 
1636 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1637 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1638 /*  [B8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1639 /*  [BC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1640 
1641 /*  [C0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1642 /*  [C4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1643 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1644 /*  [CC]  */	TNSZ("sha1rnds4",XMMP,16),INVALID,		INVALID,		INVALID,
1645 
1646 /*  [D0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1647 /*  [D4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1648 /*  [D8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1649 /*  [DC]  */	INVALID,		INVALID,		INVALID,		TNSZ("aeskeygenassist",XMMP_66r,16),
1650 
1651 /*  [E0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1652 /*  [E4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1653 /*  [E8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1654 /*  [EC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1655 
1656 /*  [F0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1657 /*  [F4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1658 /*  [F8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1659 /*  [FC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1660 };
1661 
1662 const instable_t dis_opAVX660F3A[256] = {
1663 /*  [00]  */	TNSZ("vpermq",VEX_MXI,16),TNSZ("vpermpd",VEX_MXI,16),TNSZ("vpblendd",VEX_RMRX,16),INVALID,
1664 /*  [04]  */	TNSZ("vpermilps",VEX_MXI,8),TNSZ("vpermilpd",VEX_MXI,16),TNSZ("vperm2f128",VEX_RMRX,16),INVALID,
1665 /*  [08]  */	TNSZ("vroundps",VEX_MXI,16),TNSZ("vroundpd",VEX_MXI,16),TNSZ("vroundss",VEX_RMRX,16),TNSZ("vroundsd",VEX_RMRX,16),
1666 /*  [0C]  */	TNSZ("vblendps",VEX_RMRX,16),TNSZ("vblendpd",VEX_RMRX,16),TNSZ("vpblendw",VEX_RMRX,16),TNSZ("vpalignr",VEX_RMRX,16),
1667 
1668 /*  [10]  */	INVALID,		INVALID,		INVALID,		INVALID,
1669 /*  [14]  */	TNSZ("vpextrb",VEX_RRi,8),TNSZ("vpextrw",VEX_RRi,16),TNSZ("vpextrd",VEX_RRi,16),TNSZ("vextractps",VEX_RM,16),
1670 /*  [18]  */	TNSZ("vinsertf128",VEX_RMRX,16),TNSZ("vextractf128",VEX_RX,16),INVALID,		INVALID,
1671 /*  [1C]  */	INVALID,		TNSZ("vcvtps2ph",VEX_RX,16),		INVALID,		INVALID,
1672 
1673 /*  [20]  */	TNSZ("vpinsrb",VEX_RMRX,8),TNSZ("vinsertps",VEX_RMRX,16),TNSZ("vpinsrd",VEX_RMRX,16),INVALID,
1674 /*  [24]  */	INVALID,		INVALID,		INVALID,		INVALID,
1675 /*  [28]  */	INVALID,		INVALID,		INVALID,		INVALID,
1676 /*  [2C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1677 
1678 /*  [30]  */	INVALID,		INVALID,		INVALID,		INVALID,
1679 /*  [34]  */	INVALID,		INVALID,		INVALID,		INVALID,
1680 /*  [38]  */	TNSZ("vinserti128",VEX_RMRX,16),TNSZ("vextracti128",VEX_RIM,16),INVALID,		INVALID,
1681 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1682 
1683 /*  [40]  */	TNSZ("vdpps",VEX_RMRX,16),TNSZ("vdppd",VEX_RMRX,16),TNSZ("vmpsadbw",VEX_RMRX,16),INVALID,
1684 /*  [44]  */	TNSZ("vpclmulqdq",VEX_RMRX,16),INVALID,		TNSZ("vperm2i128",VEX_RMRX,16),INVALID,
1685 /*  [48]  */	INVALID,		INVALID,		TNSZ("vblendvps",VEX_RMRX,8),	TNSZ("vblendvpd",VEX_RMRX,16),
1686 /*  [4C]  */	TNSZ("vpblendvb",VEX_RMRX,16),INVALID,		INVALID,		INVALID,
1687 
1688 /*  [50]  */	INVALID,		INVALID,		INVALID,		INVALID,
1689 /*  [54]  */	INVALID,		INVALID,		INVALID,		INVALID,
1690 /*  [58]  */	INVALID,		INVALID,		INVALID,		INVALID,
1691 /*  [5C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1692 
1693 /*  [60]  */	TNSZ("vpcmpestrm",VEX_MXI,16),TNSZ("vpcmpestri",VEX_MXI,16),TNSZ("vpcmpistrm",VEX_MXI,16),TNSZ("vpcmpistri",VEX_MXI,16),
1694 /*  [64]  */	INVALID,		INVALID,		INVALID,		INVALID,
1695 /*  [68]  */	INVALID,		INVALID,		INVALID,		INVALID,
1696 /*  [6C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1697 
1698 /*  [70]  */	INVALID,		INVALID,		INVALID,		INVALID,
1699 /*  [74]  */	INVALID,		INVALID,		INVALID,		INVALID,
1700 /*  [78]  */	INVALID,		INVALID,		INVALID,		INVALID,
1701 /*  [7C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1702 
1703 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
1704 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
1705 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
1706 /*  [8C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1707 
1708 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
1709 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
1710 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
1711 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1712 
1713 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1714 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1715 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1716 /*  [AC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1717 
1718 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1719 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1720 /*  [B8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1721 /*  [BC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1722 
1723 /*  [C0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1724 /*  [C4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1725 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1726 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1727 
1728 /*  [D0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1729 /*  [D4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1730 /*  [D8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1731 /*  [DC]  */	INVALID,		INVALID,		INVALID,		TNSZ("vaeskeygenassist",VEX_MXI,16),
1732 
1733 /*  [E0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1734 /*  [E4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1735 /*  [E8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1736 /*  [EC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1737 
1738 /*  [F0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1739 /*  [F4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1740 /*  [F8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1741 /*  [FC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1742 };
1743 
1744 /*
1745  * 	Decode table for 0x0F0D which uses the first byte of the mod_rm to
1746  * 	indicate a sub-code.
1747  */
1748 const instable_t dis_op0F0D[8] = {
1749 /*  [00]  */	INVALID,		TNS("prefetchw",PREF),	TNS("prefetchwt1",PREF),INVALID,
1750 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
1751 };
1752 
1753 /*
1754  *	Decode table for 0x0F opcodes
1755  */
1756 
1757 const instable_t dis_op0F[16][16] = {
1758 {
1759 /*  [00]  */	IND(dis_op0F00),	IND(dis_op0F01),	TNS("lar",MR),		TNS("lsl",MR),
1760 /*  [04]  */	INVALID,		TNS("syscall",NORM),	TNS("clts",NORM),	TNS("sysret",NORM),
1761 /*  [08]  */	TNS("invd",NORM),	TNS("wbinvd",NORM),	INVALID,		TNS("ud2",NORM),
1762 /*  [0C]  */	INVALID,		IND(dis_op0F0D),	INVALID,		INVALID,
1763 }, {
1764 /*  [10]  */	TNSZ("movups",XMMO,16),	TNSZ("movups",XMMOS,16),TNSZ("movlps",XMMO,8),	TNSZ("movlps",XMMOS,8),
1765 /*  [14]  */	TNSZ("unpcklps",XMMO,16),TNSZ("unpckhps",XMMO,16),TNSZ("movhps",XMMOM,8),TNSZ("movhps",XMMOMS,8),
1766 /*  [18]  */	IND(dis_op0F18),	INVALID,		INVALID,		INVALID,
1767 /*  [1C]  */	INVALID,		INVALID,		INVALID,		TS("nop",Mw),
1768 }, {
1769 /*  [20]  */	TSy("mov",SREG),	TSy("mov",SREG),	TSy("mov",SREG),	TSy("mov",SREG),
1770 /*  [24]  */	TSx("mov",SREG),	INVALID,		TSx("mov",SREG),	INVALID,
1771 /*  [28]  */	TNSZ("movaps",XMMO,16),	TNSZ("movaps",XMMOS,16),TNSZ("cvtpi2ps",XMMOMX,8),TNSZ("movntps",XMMOS,16),
1772 /*  [2C]  */	TNSZ("cvttps2pi",XMMOXMM,8),TNSZ("cvtps2pi",XMMOXMM,8),TNSZ("ucomiss",XMMO,4),TNSZ("comiss",XMMO,4),
1773 }, {
1774 /*  [30]  */	TNS("wrmsr",NORM),	TNS("rdtsc",NORM),	TNS("rdmsr",NORM),	TNS("rdpmc",NORM),
1775 /*  [34]  */	TNS("sysenter",NORM),	TNS("sysexit",NORM),	INVALID,		INVALID,
1776 /*  [38]  */	INVALID,		INVALID,		INVALID,		INVALID,
1777 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1778 }, {
1779 /*  [40]  */	TS("cmovx.o",MR),	TS("cmovx.no",MR),	TS("cmovx.b",MR),	TS("cmovx.ae",MR),
1780 /*  [44]  */	TS("cmovx.e",MR),	TS("cmovx.ne",MR),	TS("cmovx.be",MR),	TS("cmovx.a",MR),
1781 /*  [48]  */	TS("cmovx.s",MR),	TS("cmovx.ns",MR),	TS("cmovx.pe",MR),	TS("cmovx.po",MR),
1782 /*  [4C]  */	TS("cmovx.l",MR),	TS("cmovx.ge",MR),	TS("cmovx.le",MR),	TS("cmovx.g",MR),
1783 }, {
1784 /*  [50]  */	TNS("movmskps",XMMOX3),	TNSZ("sqrtps",XMMO,16),	TNSZ("rsqrtps",XMMO,16),TNSZ("rcpps",XMMO,16),
1785 /*  [54]  */	TNSZ("andps",XMMO,16),	TNSZ("andnps",XMMO,16),	TNSZ("orps",XMMO,16),	TNSZ("xorps",XMMO,16),
1786 /*  [58]  */	TNSZ("addps",XMMO,16),	TNSZ("mulps",XMMO,16),	TNSZ("cvtps2pd",XMMO,8),TNSZ("cvtdq2ps",XMMO,16),
1787 /*  [5C]  */	TNSZ("subps",XMMO,16),	TNSZ("minps",XMMO,16),	TNSZ("divps",XMMO,16),	TNSZ("maxps",XMMO,16),
1788 }, {
1789 /*  [60]  */	TNSZ("punpcklbw",MMO,4),TNSZ("punpcklwd",MMO,4),TNSZ("punpckldq",MMO,4),TNSZ("packsswb",MMO,8),
1790 /*  [64]  */	TNSZ("pcmpgtb",MMO,8),	TNSZ("pcmpgtw",MMO,8),	TNSZ("pcmpgtd",MMO,8),	TNSZ("packuswb",MMO,8),
1791 /*  [68]  */	TNSZ("punpckhbw",MMO,8),TNSZ("punpckhwd",MMO,8),TNSZ("punpckhdq",MMO,8),TNSZ("packssdw",MMO,8),
1792 /*  [6C]  */	TNSZ("INVALID",MMO,0),	TNSZ("INVALID",MMO,0),	TNSZ("movd",MMO,4),	TNSZ("movq",MMO,8),
1793 }, {
1794 /*  [70]  */	TNSZ("pshufw",MMOPM,8),	TNS("psrXXX",MR),	TNS("psrXXX",MR),	TNS("psrXXX",MR),
1795 /*  [74]  */	TNSZ("pcmpeqb",MMO,8),	TNSZ("pcmpeqw",MMO,8),	TNSZ("pcmpeqd",MMO,8),	TNS("emms",NORM),
1796 /*  [78]  */	TNSy("vmread",RM),	TNSy("vmwrite",MR),	INVALID,		INVALID,
1797 /*  [7C]  */	INVALID,		INVALID,		TNSZ("movd",MMOS,4),	TNSZ("movq",MMOS,8),
1798 }, {
1799 /*  [80]  */	TNS("jo",D),		TNS("jno",D),		TNS("jb",D),		TNS("jae",D),
1800 /*  [84]  */	TNS("je",D),		TNS("jne",D),		TNS("jbe",D),		TNS("ja",D),
1801 /*  [88]  */	TNS("js",D),		TNS("jns",D),		TNS("jp",D),		TNS("jnp",D),
1802 /*  [8C]  */	TNS("jl",D),		TNS("jge",D),		TNS("jle",D),		TNS("jg",D),
1803 }, {
1804 /*  [90]  */	TNS("seto",Mb),		TNS("setno",Mb),	TNS("setb",Mb),		TNS("setae",Mb),
1805 /*  [94]  */	TNS("sete",Mb),		TNS("setne",Mb),	TNS("setbe",Mb),	TNS("seta",Mb),
1806 /*  [98]  */	TNS("sets",Mb),		TNS("setns",Mb),	TNS("setp",Mb),		TNS("setnp",Mb),
1807 /*  [9C]  */	TNS("setl",Mb),		TNS("setge",Mb),	TNS("setle",Mb),	TNS("setg",Mb),
1808 }, {
1809 /*  [A0]  */	TSp("push",LSEG),	TSp("pop",LSEG),	TNS("cpuid",NORM),	TS("bt",RMw),
1810 /*  [A4]  */	TS("shld",DSHIFT),	TS("shld",DSHIFTcl),	INVALID,		INVALID,
1811 /*  [A8]  */	TSp("push",LSEG),	TSp("pop",LSEG),	TNS("rsm",NORM),	TS("bts",RMw),
1812 /*  [AC]  */	TS("shrd",DSHIFT),	TS("shrd",DSHIFTcl),	IND(dis_op0FAE),	TS("imul",MRw),
1813 }, {
1814 /*  [B0]  */	TNS("cmpxchgb",RMw),	TS("cmpxchg",RMw),	TS("lss",MR),		TS("btr",RMw),
1815 /*  [B4]  */	TS("lfs",MR),		TS("lgs",MR),		TS("movzb",MOVZ),	TNS("movzwl",MOVZ),
1816 /*  [B8]  */	TNS("INVALID",MRw),	INVALID,		IND(dis_op0FBA),	TS("btc",RMw),
1817 /*  [BC]  */	TS("bsf",MRw),		TS("bsr",MRw),		TS("movsb",MOVZ),	TNS("movswl",MOVZ),
1818 }, {
1819 /*  [C0]  */	TNS("xaddb",XADDB),	TS("xadd",RMw),		TNSZ("cmpps",XMMOPM,16),TNS("movnti",RM),
1820 /*  [C4]  */	TNSZ("pinsrw",MMOPRM,2),TNS("pextrw",MMO3P), 	TNSZ("shufps",XMMOPM,16),IND(dis_op0FC7),
1821 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1822 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1823 }, {
1824 /*  [D0]  */	INVALID,		TNSZ("psrlw",MMO,8),	TNSZ("psrld",MMO,8),	TNSZ("psrlq",MMO,8),
1825 /*  [D4]  */	TNSZ("paddq",MMO,8),	TNSZ("pmullw",MMO,8),	TNSZ("INVALID",MMO,0),	TNS("pmovmskb",MMOM3),
1826 /*  [D8]  */	TNSZ("psubusb",MMO,8),	TNSZ("psubusw",MMO,8),	TNSZ("pminub",MMO,8),	TNSZ("pand",MMO,8),
1827 /*  [DC]  */	TNSZ("paddusb",MMO,8),	TNSZ("paddusw",MMO,8),	TNSZ("pmaxub",MMO,8),	TNSZ("pandn",MMO,8),
1828 }, {
1829 /*  [E0]  */	TNSZ("pavgb",MMO,8),	TNSZ("psraw",MMO,8),	TNSZ("psrad",MMO,8),	TNSZ("pavgw",MMO,8),
1830 /*  [E4]  */	TNSZ("pmulhuw",MMO,8),	TNSZ("pmulhw",MMO,8),	TNS("INVALID",XMMO),	TNSZ("movntq",MMOMS,8),
1831 /*  [E8]  */	TNSZ("psubsb",MMO,8),	TNSZ("psubsw",MMO,8),	TNSZ("pminsw",MMO,8),	TNSZ("por",MMO,8),
1832 /*  [EC]  */	TNSZ("paddsb",MMO,8),	TNSZ("paddsw",MMO,8),	TNSZ("pmaxsw",MMO,8),	TNSZ("pxor",MMO,8),
1833 }, {
1834 /*  [F0]  */	INVALID,		TNSZ("psllw",MMO,8),	TNSZ("pslld",MMO,8),	TNSZ("psllq",MMO,8),
1835 /*  [F4]  */	TNSZ("pmuludq",MMO,8),	TNSZ("pmaddwd",MMO,8),	TNSZ("psadbw",MMO,8),	TNSZ("maskmovq",MMOIMPL,8),
1836 /*  [F8]  */	TNSZ("psubb",MMO,8),	TNSZ("psubw",MMO,8),	TNSZ("psubd",MMO,8),	TNSZ("psubq",MMO,8),
1837 /*  [FC]  */	TNSZ("paddb",MMO,8),	TNSZ("paddw",MMO,8),	TNSZ("paddd",MMO,8),	INVALID,
1838 } };
1839 
1840 const instable_t dis_opAVX0F[16][16] = {
1841 {
1842 /*  [00]  */	INVALID,		INVALID,		INVALID,		INVALID,
1843 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
1844 /*  [08]  */	INVALID,		INVALID,		INVALID,		INVALID,
1845 /*  [0C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1846 }, {
1847 /*  [10]  */	TNSZ("vmovups",VEX_MX,16),	TNSZ("vmovups",VEX_RM,16),TNSZ("vmovlps",VEX_RMrX,8),	TNSZ("vmovlps",VEX_RM,8),
1848 /*  [14]  */	TNSZ("vunpcklps",VEX_RMrX,16),TNSZ("vunpckhps",VEX_RMrX,16),TNSZ("vmovhps",VEX_RMrX,8),TNSZ("vmovhps",VEX_RM,8),
1849 /*  [18]  */	INVALID,		INVALID,		INVALID,		INVALID,
1850 /*  [1C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1851 }, {
1852 /*  [20]  */	INVALID,		INVALID,		INVALID,		INVALID,
1853 /*  [24]  */	INVALID,		INVALID,		INVALID,		INVALID,
1854 /*  [28]  */	TNSZ("vmovaps",VEX_MX,16),	TNSZ("vmovaps",VEX_RX,16),INVALID,		TNSZ("vmovntps",VEX_RM,16),
1855 /*  [2C]  */	INVALID,		INVALID,		TNSZ("vucomiss",VEX_MX,4),TNSZ("vcomiss",VEX_MX,4),
1856 }, {
1857 /*  [30]  */	INVALID,		INVALID,		INVALID,		INVALID,
1858 /*  [34]  */	INVALID,		INVALID,		INVALID,		INVALID,
1859 /*  [38]  */	INVALID,		INVALID,		INVALID,		INVALID,
1860 /*  [3C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1861 }, {
1862 /*  [40]  */	INVALID,		INVALID,		INVALID,		INVALID,
1863 /*  [44]  */	INVALID,		INVALID,		INVALID,		INVALID,
1864 /*  [48]  */	INVALID,		INVALID,		INVALID,		INVALID,
1865 /*  [4C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1866 }, {
1867 /*  [50]  */	TNS("vmovmskps",VEX_MR),	TNSZ("vsqrtps",VEX_MX,16),	TNSZ("vrsqrtps",VEX_MX,16),TNSZ("vrcpps",VEX_MX,16),
1868 /*  [54]  */	TNSZ("vandps",VEX_RMrX,16),	TNSZ("vandnps",VEX_RMrX,16),	TNSZ("vorps",VEX_RMrX,16),	TNSZ("vxorps",VEX_RMrX,16),
1869 /*  [58]  */	TNSZ("vaddps",VEX_RMrX,16),	TNSZ("vmulps",VEX_RMrX,16),	TNSZ("vcvtps2pd",VEX_MX,8),TNSZ("vcvtdq2ps",VEX_MX,16),
1870 /*  [5C]  */	TNSZ("vsubps",VEX_RMrX,16),	TNSZ("vminps",VEX_RMrX,16),	TNSZ("vdivps",VEX_RMrX,16),	TNSZ("vmaxps",VEX_RMrX,16),
1871 }, {
1872 /*  [60]  */	INVALID,		INVALID,		INVALID,		INVALID,
1873 /*  [64]  */	INVALID,		INVALID,		INVALID,		INVALID,
1874 /*  [68]  */	INVALID,		INVALID,		INVALID,		INVALID,
1875 /*  [6C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1876 }, {
1877 /*  [70]  */	INVALID,		INVALID,		INVALID,		INVALID,
1878 /*  [74]  */	INVALID,		INVALID,		INVALID,		TNS("vzeroupper", VEX_NONE),
1879 /*  [78]  */	INVALID,		INVALID,		INVALID,		INVALID,
1880 /*  [7C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1881 }, {
1882 /*  [80]  */	INVALID,		INVALID,		INVALID,		INVALID,
1883 /*  [84]  */	INVALID,		INVALID,		INVALID,		INVALID,
1884 /*  [88]  */	INVALID,		INVALID,		INVALID,		INVALID,
1885 /*  [8C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1886 }, {
1887 /*  [90]  */	INVALID,		INVALID,		INVALID,		INVALID,
1888 /*  [94]  */	INVALID,		INVALID,		INVALID,		INVALID,
1889 /*  [98]  */	INVALID,		INVALID,		INVALID,		INVALID,
1890 /*  [9C]  */	INVALID,		INVALID,		INVALID,		INVALID,
1891 }, {
1892 /*  [A0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1893 /*  [A4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1894 /*  [A8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1895 /*  [AC]  */	INVALID,		INVALID,		TNSZ("vldmxcsr",VEX_MO,2),		INVALID,
1896 }, {
1897 /*  [B0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1898 /*  [B4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1899 /*  [B8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1900 /*  [BC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1901 }, {
1902 /*  [C0]  */	INVALID,		INVALID,		TNSZ("vcmpps",VEX_RMRX,16),INVALID,
1903 /*  [C4]  */	INVALID,		INVALID,	 	TNSZ("vshufps",VEX_RMRX,16),INVALID,
1904 /*  [C8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1905 /*  [CC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1906 }, {
1907 /*  [D0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1908 /*  [D4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1909 /*  [D8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1910 /*  [DC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1911 }, {
1912 /*  [E0]  */	INVALID,		INVALID,		INVALID,		INVALID,
1913 /*  [E4]  */	INVALID,		INVALID,		INVALID,		INVALID,
1914 /*  [E8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1915 /*  [EC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1916 }, {
1917 /*  [F0]  */	INVALID,		INVALID,		TNSZvr("andn",VEX_RMrX,5),TNSZvr("bls",BLS,5),
1918 /*  [F4]  */	INVALID,		TNSZvr("bzhi",VEX_VRMrX,5),INVALID,		TNSZvr("bextr",VEX_VRMrX,5),
1919 /*  [F8]  */	INVALID,		INVALID,		INVALID,		INVALID,
1920 /*  [FC]  */	INVALID,		INVALID,		INVALID,		INVALID,
1921 } };
1922 
1923 /*
1924  *	Decode table for 0x80 opcodes
1925  */
1926 
1927 const instable_t dis_op80[8] = {
1928 
1929 /*  [0]  */	TNS("addb",IMlw),	TNS("orb",IMw),		TNS("adcb",IMlw),	TNS("sbbb",IMlw),
1930 /*  [4]  */	TNS("andb",IMw),	TNS("subb",IMlw),	TNS("xorb",IMw),	TNS("cmpb",IMlw),
1931 };
1932 
1933 
1934 /*
1935  *	Decode table for 0x81 opcodes.
1936  */
1937 
1938 const instable_t dis_op81[8] = {
1939 
1940 /*  [0]  */	TS("add",IMlw),		TS("or",IMw),		TS("adc",IMlw),		TS("sbb",IMlw),
1941 /*  [4]  */	TS("and",IMw),		TS("sub",IMlw),		TS("xor",IMw),		TS("cmp",IMlw),
1942 };
1943 
1944 
1945 /*
1946  *	Decode table for 0x82 opcodes.
1947  */
1948 
1949 const instable_t dis_op82[8] = {
1950 
1951 /*  [0]  */	TNSx("addb",IMlw),	TNSx("orb",IMlw),	TNSx("adcb",IMlw),	TNSx("sbbb",IMlw),
1952 /*  [4]  */	TNSx("andb",IMlw),	TNSx("subb",IMlw),	TNSx("xorb",IMlw),	TNSx("cmpb",IMlw),
1953 };
1954 /*
1955  *	Decode table for 0x83 opcodes.
1956  */
1957 
1958 const instable_t dis_op83[8] = {
1959 
1960 /*  [0]  */	TS("add",IMlw),		TS("or",IMlw),		TS("adc",IMlw),		TS("sbb",IMlw),
1961 /*  [4]  */	TS("and",IMlw),		TS("sub",IMlw),		TS("xor",IMlw),		TS("cmp",IMlw),
1962 };
1963 
1964 /*
1965  *	Decode table for 0xC0 opcodes.
1966  */
1967 
1968 const instable_t dis_opC0[8] = {
1969 
1970 /*  [0]  */	TNS("rolb",MvI),	TNS("rorb",MvI),	TNS("rclb",MvI),	TNS("rcrb",MvI),
1971 /*  [4]  */	TNS("shlb",MvI),	TNS("shrb",MvI),	INVALID,		TNS("sarb",MvI),
1972 };
1973 
1974 /*
1975  *	Decode table for 0xD0 opcodes.
1976  */
1977 
1978 const instable_t dis_opD0[8] = {
1979 
1980 /*  [0]  */	TNS("rolb",Mv),		TNS("rorb",Mv),		TNS("rclb",Mv),		TNS("rcrb",Mv),
1981 /*  [4]  */	TNS("shlb",Mv),		TNS("shrb",Mv),		TNS("salb",Mv),		TNS("sarb",Mv),
1982 };
1983 
1984 /*
1985  *	Decode table for 0xC1 opcodes.
1986  *	186 instruction set
1987  */
1988 
1989 const instable_t dis_opC1[8] = {
1990 
1991 /*  [0]  */	TS("rol",MvI),		TS("ror",MvI),		TS("rcl",MvI),		TS("rcr",MvI),
1992 /*  [4]  */	TS("shl",MvI),		TS("shr",MvI),		TS("sal",MvI),		TS("sar",MvI),
1993 };
1994 
1995 /*
1996  *	Decode table for 0xD1 opcodes.
1997  */
1998 
1999 const instable_t dis_opD1[8] = {
2000 
2001 /*  [0]  */	TS("rol",Mv),		TS("ror",Mv),		TS("rcl",Mv),		TS("rcr",Mv),
2002 /*  [4]  */	TS("shl",Mv),		TS("shr",Mv),		TS("sal",Mv),		TS("sar",Mv),
2003 };
2004 
2005 
2006 /*
2007  *	Decode table for 0xD2 opcodes.
2008  */
2009 
2010 const instable_t dis_opD2[8] = {
2011 
2012 /*  [0]  */	TNS("rolb",Mv),		TNS("rorb",Mv),		TNS("rclb",Mv),		TNS("rcrb",Mv),
2013 /*  [4]  */	TNS("shlb",Mv),		TNS("shrb",Mv),		TNS("salb",Mv),		TNS("sarb",Mv),
2014 };
2015 /*
2016  *	Decode table for 0xD3 opcodes.
2017  */
2018 
2019 const instable_t dis_opD3[8] = {
2020 
2021 /*  [0]  */	TS("rol",Mv),		TS("ror",Mv),		TS("rcl",Mv),		TS("rcr",Mv),
2022 /*  [4]  */	TS("shl",Mv),		TS("shr",Mv),		TS("salb",Mv),		TS("sar",Mv),
2023 };
2024 
2025 
2026 /*
2027  *	Decode table for 0xF6 opcodes.
2028  */
2029 
2030 const instable_t dis_opF6[8] = {
2031 
2032 /*  [0]  */	TNS("testb",IMw),	TNS("testb",IMw),	TNS("notb",Mw),		TNS("negb",Mw),
2033 /*  [4]  */	TNS("mulb",MA),		TNS("imulb",MA),	TNS("divb",MA),		TNS("idivb",MA),
2034 };
2035 
2036 
2037 /*
2038  *	Decode table for 0xF7 opcodes.
2039  */
2040 
2041 const instable_t dis_opF7[8] = {
2042 
2043 /*  [0]  */	TS("test",IMw),		TS("test",IMw),		TS("not",Mw),		TS("neg",Mw),
2044 /*  [4]  */	TS("mul",MA),		TS("imul",MA),		TS("div",MA),		TS("idiv",MA),
2045 };
2046 
2047 
2048 /*
2049  *	Decode table for 0xFE opcodes.
2050  */
2051 
2052 const instable_t dis_opFE[8] = {
2053 
2054 /*  [0]  */	TNS("incb",Mw),		TNS("decb",Mw),		INVALID,		INVALID,
2055 /*  [4]  */	INVALID,		INVALID,		INVALID,		INVALID,
2056 };
2057 /*
2058  *	Decode table for 0xFF opcodes.
2059  */
2060 
2061 const instable_t dis_opFF[8] = {
2062 
2063 /*  [0]  */	TS("inc",Mw),		TS("dec",Mw),		TNSyp("call",INM),	TNS("lcall",INM),
2064 /*  [4]  */	TNSy("jmp",INM),	TNS("ljmp",INM),	TSp("push",M),		INVALID,
2065 };
2066 
2067 /* for 287 instructions, which are a mess to decode */
2068 
2069 const instable_t dis_opFP1n2[8][8] = {
2070 {
2071 /* bit pattern:	1101 1xxx MODxx xR/M */
2072 /*  [0,0] */	TNS("fadds",M),		TNS("fmuls",M),		TNS("fcoms",M),		TNS("fcomps",M),
2073 /*  [0,4] */	TNS("fsubs",M),		TNS("fsubrs",M),	TNS("fdivs",M),		TNS("fdivrs",M),
2074 }, {
2075 /*  [1,0]  */	TNS("flds",M),		INVALID,		TNS("fsts",M),		TNS("fstps",M),
2076 /*  [1,4]  */	TNSZ("fldenv",M,28),	TNSZ("fldcw",M,2),	TNSZ("fnstenv",M,28),	TNSZ("fnstcw",M,2),
2077 }, {
2078 /*  [2,0]  */	TNS("fiaddl",M),	TNS("fimull",M),	TNS("ficoml",M),	TNS("ficompl",M),
2079 /*  [2,4]  */	TNS("fisubl",M),	TNS("fisubrl",M),	TNS("fidivl",M),	TNS("fidivrl",M),
2080 }, {
2081 /*  [3,0]  */	TNS("fildl",M),		TNSZ("tisttpl",M,4),	TNS("fistl",M),		TNS("fistpl",M),
2082 /*  [3,4]  */	INVALID,		TNSZ("fldt",M,10),	INVALID,		TNSZ("fstpt",M,10),
2083 }, {
2084 /*  [4,0]  */	TNSZ("faddl",M,8),	TNSZ("fmull",M,8),	TNSZ("fcoml",M,8),	TNSZ("fcompl",M,8),
2085 /*  [4,1]  */	TNSZ("fsubl",M,8),	TNSZ("fsubrl",M,8),	TNSZ("fdivl",M,8),	TNSZ("fdivrl",M,8),
2086 }, {
2087 /*  [5,0]  */	TNSZ("fldl",M,8),	TNSZ("fisttpll",M,8),	TNSZ("fstl",M,8),	TNSZ("fstpl",M,8),
2088 /*  [5,4]  */	TNSZ("frstor",M,108),	INVALID,		TNSZ("fnsave",M,108),	TNSZ("fnstsw",M,2),
2089 }, {
2090 /*  [6,0]  */	TNSZ("fiadd",M,2),	TNSZ("fimul",M,2),	TNSZ("ficom",M,2),	TNSZ("ficomp",M,2),
2091 /*  [6,4]  */	TNSZ("fisub",M,2),	TNSZ("fisubr",M,2),	TNSZ("fidiv",M,2),	TNSZ("fidivr",M,2),
2092 }, {
2093 /*  [7,0]  */	TNSZ("fild",M,2),	TNSZ("fisttp",M,2),	TNSZ("fist",M,2),	TNSZ("fistp",M,2),
2094 /*  [7,4]  */	TNSZ("fbld",M,10),	TNSZ("fildll",M,8),	TNSZ("fbstp",M,10),	TNSZ("fistpll",M,8),
2095 } };
2096 
2097 const instable_t dis_opFP3[8][8] = {
2098 {
2099 /* bit  pattern:	1101 1xxx 11xx xREG */
2100 /*  [0,0]  */	TNS("fadd",FF),		TNS("fmul",FF),		TNS("fcom",F),		TNS("fcomp",F),
2101 /*  [0,4]  */	TNS("fsub",FF),		TNS("fsubr",FF),	TNS("fdiv",FF),		TNS("fdivr",FF),
2102 }, {
2103 /*  [1,0]  */	TNS("fld",F),		TNS("fxch",F),		TNS("fnop",NORM),	TNS("fstp",F),
2104 /*  [1,4]  */	INVALID,		INVALID,		INVALID,		INVALID,
2105 }, {
2106 /*  [2,0]  */	INVALID,		INVALID,		INVALID,		INVALID,
2107 /*  [2,4]  */	INVALID,		TNS("fucompp",NORM),	INVALID,		INVALID,
2108 }, {
2109 /*  [3,0]  */	INVALID,		INVALID,		INVALID,		INVALID,
2110 /*  [3,4]  */	INVALID,		INVALID,		INVALID,		INVALID,
2111 }, {
2112 /*  [4,0]  */	TNS("fadd",FF),		TNS("fmul",FF),		TNS("fcom",F),		TNS("fcomp",F),
2113 /*  [4,4]  */	TNS("fsub",FF),		TNS("fsubr",FF),	TNS("fdiv",FF),		TNS("fdivr",FF),
2114 }, {
2115 /*  [5,0]  */	TNS("ffree",F),		TNS("fxch",F),		TNS("fst",F),		TNS("fstp",F),
2116 /*  [5,4]  */	TNS("fucom",F),		TNS("fucomp",F),	INVALID,		INVALID,
2117 }, {
2118 /*  [6,0]  */	TNS("faddp",FF),	TNS("fmulp",FF),	TNS("fcomp",F),		TNS("fcompp",NORM),
2119 /*  [6,4]  */	TNS("fsubp",FF),	TNS("fsubrp",FF),	TNS("fdivp",FF),	TNS("fdivrp",FF),
2120 }, {
2121 /*  [7,0]  */	TNS("ffreep",F),		TNS("fxch",F),		TNS("fstp",F),		TNS("fstp",F),
2122 /*  [7,4]  */	TNS("fnstsw",M),	TNS("fucomip",FFC),	TNS("fcomip",FFC),	INVALID,
2123 } };
2124 
2125 const instable_t dis_opFP4[4][8] = {
2126 {
2127 /* bit pattern:	1101 1001 111x xxxx */
2128 /*  [0,0]  */	TNS("fchs",NORM),	TNS("fabs",NORM),	INVALID,		INVALID,
2129 /*  [0,4]  */	TNS("ftst",NORM),	TNS("fxam",NORM),	TNS("ftstp",NORM),	INVALID,
2130 }, {
2131 /*  [1,0]  */	TNS("fld1",NORM),	TNS("fldl2t",NORM),	TNS("fldl2e",NORM),	TNS("fldpi",NORM),
2132 /*  [1,4]  */	TNS("fldlg2",NORM),	TNS("fldln2",NORM),	TNS("fldz",NORM),	INVALID,
2133 }, {
2134 /*  [2,0]  */	TNS("f2xm1",NORM),	TNS("fyl2x",NORM),	TNS("fptan",NORM),	TNS("fpatan",NORM),
2135 /*  [2,4]  */	TNS("fxtract",NORM),	TNS("fprem1",NORM),	TNS("fdecstp",NORM),	TNS("fincstp",NORM),
2136 }, {
2137 /*  [3,0]  */	TNS("fprem",NORM),	TNS("fyl2xp1",NORM),	TNS("fsqrt",NORM),	TNS("fsincos",NORM),
2138 /*  [3,4]  */	TNS("frndint",NORM),	TNS("fscale",NORM),	TNS("fsin",NORM),	TNS("fcos",NORM),
2139 } };
2140 
2141 const instable_t dis_opFP5[8] = {
2142 /* bit pattern:	1101 1011 111x xxxx */
2143 /*  [0]  */	TNS("feni",NORM),	TNS("fdisi",NORM),	TNS("fnclex",NORM),	TNS("fninit",NORM),
2144 /*  [4]  */	TNS("fsetpm",NORM),	TNS("frstpm",NORM),	INVALID,		INVALID,
2145 };
2146 
2147 const instable_t dis_opFP6[8] = {
2148 /* bit pattern:	1101 1011 11yy yxxx */
2149 /*  [00]  */	TNS("fcmov.nb",FF),	TNS("fcmov.ne",FF),	TNS("fcmov.nbe",FF),	TNS("fcmov.nu",FF),
2150 /*  [04]  */	INVALID,		TNS("fucomi",F),	TNS("fcomi",F),		INVALID,
2151 };
2152 
2153 const instable_t dis_opFP7[8] = {
2154 /* bit pattern:	1101 1010 11yy yxxx */
2155 /*  [00]  */	TNS("fcmov.b",FF),	TNS("fcmov.e",FF),	TNS("fcmov.be",FF),	TNS("fcmov.u",FF),
2156 /*  [04]  */	INVALID,		INVALID,		INVALID,		INVALID,
2157 };
2158 
2159 /*
2160  *	Main decode table for the op codes.  The first two nibbles
2161  *	will be used as an index into the table.  If there is a
2162  *	a need to further decode an instruction, the array to be
2163  *	referenced is indicated with the other two entries being
2164  *	empty.
2165  */
2166 
2167 const instable_t dis_distable[16][16] = {
2168 {
2169 /* [0,0] */	TNS("addb",RMw),	TS("add",RMw),		TNS("addb",MRw),	TS("add",MRw),
2170 /* [0,4] */	TNS("addb",IA),		TS("add",IA),		TSx("push",SEG),	TSx("pop",SEG),
2171 /* [0,8] */	TNS("orb",RMw),		TS("or",RMw),		TNS("orb",MRw),		TS("or",MRw),
2172 /* [0,C] */	TNS("orb",IA),		TS("or",IA),		TSx("push",SEG),	IND(dis_op0F),
2173 }, {
2174 /* [1,0] */	TNS("adcb",RMw),	TS("adc",RMw),		TNS("adcb",MRw),	TS("adc",MRw),
2175 /* [1,4] */	TNS("adcb",IA),		TS("adc",IA),		TSx("push",SEG),	TSx("pop",SEG),
2176 /* [1,8] */	TNS("sbbb",RMw),	TS("sbb",RMw),		TNS("sbbb",MRw),	TS("sbb",MRw),
2177 /* [1,C] */	TNS("sbbb",IA),		TS("sbb",IA),		TSx("push",SEG),	TSx("pop",SEG),
2178 }, {
2179 /* [2,0] */	TNS("andb",RMw),	TS("and",RMw),		TNS("andb",MRw),	TS("and",MRw),
2180 /* [2,4] */	TNS("andb",IA),		TS("and",IA),		TNSx("%es:",OVERRIDE),	TNSx("daa",NORM),
2181 /* [2,8] */	TNS("subb",RMw),	TS("sub",RMw),		TNS("subb",MRw),	TS("sub",MRw),
2182 /* [2,C] */	TNS("subb",IA),		TS("sub",IA),		TNS("%cs:",OVERRIDE),	TNSx("das",NORM),
2183 }, {
2184 /* [3,0] */	TNS("xorb",RMw),	TS("xor",RMw),		TNS("xorb",MRw),	TS("xor",MRw),
2185 /* [3,4] */	TNS("xorb",IA),		TS("xor",IA),		TNSx("%ss:",OVERRIDE),	TNSx("aaa",NORM),
2186 /* [3,8] */	TNS("cmpb",RMw),	TS("cmp",RMw),		TNS("cmpb",MRw),	TS("cmp",MRw),
2187 /* [3,C] */	TNS("cmpb",IA),		TS("cmp",IA),		TNSx("%ds:",OVERRIDE),	TNSx("aas",NORM),
2188 }, {
2189 /* [4,0] */	TSx("inc",R),		TSx("inc",R),		TSx("inc",R),		TSx("inc",R),
2190 /* [4,4] */	TSx("inc",R),		TSx("inc",R),		TSx("inc",R),		TSx("inc",R),
2191 /* [4,8] */	TSx("dec",R),		TSx("dec",R),		TSx("dec",R),		TSx("dec",R),
2192 /* [4,C] */	TSx("dec",R),		TSx("dec",R),		TSx("dec",R),		TSx("dec",R),
2193 }, {
2194 /* [5,0] */	TSp("push",R),		TSp("push",R),		TSp("push",R),		TSp("push",R),
2195 /* [5,4] */	TSp("push",R),		TSp("push",R),		TSp("push",R),		TSp("push",R),
2196 /* [5,8] */	TSp("pop",R),		TSp("pop",R),		TSp("pop",R),		TSp("pop",R),
2197 /* [5,C] */	TSp("pop",R),		TSp("pop",R),		TSp("pop",R),		TSp("pop",R),
2198 }, {
2199 /* [6,0] */	TSZx("pusha",IMPLMEM,28),TSZx("popa",IMPLMEM,28), TSx("bound",MR),	TNS("arpl",RMw),
2200 /* [6,4] */	TNS("%fs:",OVERRIDE),	TNS("%gs:",OVERRIDE),	TNS("data16",DM),	TNS("addr16",AM),
2201 /* [6,8] */	TSp("push",I),		TS("imul",IMUL),	TSp("push",Ib),	TS("imul",IMUL),
2202 /* [6,C] */	TNSZ("insb",IMPLMEM,1),	TSZ("ins",IMPLMEM,4),	TNSZ("outsb",IMPLMEM,1),TSZ("outs",IMPLMEM,4),
2203 }, {
2204 /* [7,0] */	TNSy("jo",BD),		TNSy("jno",BD),		TNSy("jb",BD),		TNSy("jae",BD),
2205 /* [7,4] */	TNSy("je",BD),		TNSy("jne",BD),		TNSy("jbe",BD),		TNSy("ja",BD),
2206 /* [7,8] */	TNSy("js",BD),		TNSy("jns",BD),		TNSy("jp",BD),		TNSy("jnp",BD),
2207 /* [7,C] */	TNSy("jl",BD),		TNSy("jge",BD),		TNSy("jle",BD),		TNSy("jg",BD),
2208 }, {
2209 /* [8,0] */	IND(dis_op80),		IND(dis_op81),		INDx(dis_op82),		IND(dis_op83),
2210 /* [8,4] */	TNS("testb",RMw),	TS("test",RMw),		TNS("xchgb",RMw),	TS("xchg",RMw),
2211 /* [8,8] */	TNS("movb",RMw),	TS("mov",RMw),		TNS("movb",MRw),	TS("mov",MRw),
2212 /* [8,C] */	TNS("movw",SM),		TS("lea",MR),		TNS("movw",MS),		TSp("pop",M),
2213 }, {
2214 /* [9,0] */	TNS("nop",NORM),	TS("xchg",RA),		TS("xchg",RA),		TS("xchg",RA),
2215 /* [9,4] */	TS("xchg",RA),		TS("xchg",RA),		TS("xchg",RA),		TS("xchg",RA),
2216 /* [9,8] */	TNS("cXtX",CBW),	TNS("cXtX",CWD),	TNSx("lcall",SO),	TNS("fwait",NORM),
2217 /* [9,C] */	TSZy("pushf",IMPLMEM,4),TSZy("popf",IMPLMEM,4),	TNS("sahf",NORM),	TNS("lahf",NORM),
2218 }, {
2219 /* [A,0] */	TNS("movb",OA),		TS("mov",OA),		TNS("movb",AO),		TS("mov",AO),
2220 /* [A,4] */	TNSZ("movsb",SD,1),	TS("movs",SD),		TNSZ("cmpsb",SD,1),	TS("cmps",SD),
2221 /* [A,8] */	TNS("testb",IA),	TS("test",IA),		TNS("stosb",AD),	TS("stos",AD),
2222 /* [A,C] */	TNS("lodsb",SA),	TS("lods",SA),		TNS("scasb",AD),	TS("scas",AD),
2223 }, {
2224 /* [B,0] */	TNS("movb",IR),		TNS("movb",IR),		TNS("movb",IR),		TNS("movb",IR),
2225 /* [B,4] */	TNS("movb",IR),		TNS("movb",IR),		TNS("movb",IR),		TNS("movb",IR),
2226 /* [B,8] */	TS("mov",IR),		TS("mov",IR),		TS("mov",IR),		TS("mov",IR),
2227 /* [B,C] */	TS("mov",IR),		TS("mov",IR),		TS("mov",IR),		TS("mov",IR),
2228 }, {
2229 /* [C,0] */	IND(dis_opC0),		IND(dis_opC1), 		TNSyp("ret",RET),	TNSyp("ret",NORM),
2230 /* [C,4] */	TNSx("les",MR),		TNSx("lds",MR),		TNS("movb",IMw),	TS("mov",IMw),
2231 /* [C,8] */	TNSyp("enter",ENTER),	TNSyp("leave",NORM),	TNS("lret",RET),	TNS("lret",NORM),
2232 /* [C,C] */	TNS("int",INT3),	TNS("int",INTx),	TNSx("into",NORM),	TNS("iret",NORM),
2233 }, {
2234 /* [D,0] */	IND(dis_opD0),		IND(dis_opD1),		IND(dis_opD2),		IND(dis_opD3),
2235 /* [D,4] */	TNSx("aam",U),		TNSx("aad",U),		TNSx("falc",NORM),	TNSZ("xlat",IMPLMEM,1),
2236 
2237 /* 287 instructions.  Note that although the indirect field		*/
2238 /* indicates opFP1n2 for further decoding, this is not necessarily	*/
2239 /* the case since the opFP arrays are not partitioned according to key1	*/
2240 /* and key2.  opFP1n2 is given only to indicate that we haven't		*/
2241 /* finished decoding the instruction.					*/
2242 /* [D,8] */	IND(dis_opFP1n2),	IND(dis_opFP1n2),	IND(dis_opFP1n2),	IND(dis_opFP1n2),
2243 /* [D,C] */	IND(dis_opFP1n2),	IND(dis_opFP1n2),	IND(dis_opFP1n2),	IND(dis_opFP1n2),
2244 }, {
2245 /* [E,0] */	TNSy("loopnz",BD),	TNSy("loopz",BD),	TNSy("loop",BD),	TNSy("jcxz",BD),
2246 /* [E,4] */	TNS("inb",P),		TS("in",P),		TNS("outb",P),		TS("out",P),
2247 /* [E,8] */	TNSyp("call",D),	TNSy("jmp",D),		TNSx("ljmp",SO),		TNSy("jmp",BD),
2248 /* [E,C] */	TNS("inb",V),		TS("in",V),		TNS("outb",V),		TS("out",V),
2249 }, {
2250 /* [F,0] */	TNS("lock",LOCK),	TNS("icebp", NORM),	TNS("repnz",PREFIX),	TNS("repz",PREFIX),
2251 /* [F,4] */	TNS("hlt",NORM),	TNS("cmc",NORM),	IND(dis_opF6),		IND(dis_opF7),
2252 /* [F,8] */	TNS("clc",NORM),	TNS("stc",NORM),	TNS("cli",NORM),	TNS("sti",NORM),
2253 /* [F,C] */	TNS("cld",NORM),	TNS("std",NORM),	IND(dis_opFE),		IND(dis_opFF),
2254 } };
2255 
2256 /* END CSTYLED */
2257 
2258 /*
2259  * common functions to decode and disassemble an x86 or amd64 instruction
2260  */
2261 
2262 /*
2263  * These are the individual fields of a REX prefix. Note that a REX
2264  * prefix with none of these set is still needed to:
2265  *	- use the MOVSXD (sign extend 32 to 64 bits) instruction
2266  *	- access the %sil, %dil, %bpl, %spl registers
2267  */
2268 #define	REX_W 0x08	/* 64 bit operand size when set */
2269 #define	REX_R 0x04	/* high order bit extension of ModRM reg field */
2270 #define	REX_X 0x02	/* high order bit extension of SIB index field */
2271 #define	REX_B 0x01	/* extends ModRM r_m, SIB base, or opcode reg */
2272 
2273 /*
2274  * These are the individual fields of a VEX prefix.
2275  */
2276 #define	VEX_R 0x08	/* REX.R in 1's complement form */
2277 #define	VEX_X 0x04	/* REX.X in 1's complement form */
2278 #define	VEX_B 0x02	/* REX.B in 1's complement form */
2279 /* Vector Length, 0: scalar or 128-bit vector, 1: 256-bit vector */
2280 #define	VEX_L 0x04
2281 #define	VEX_W 0x08	/* opcode specific, use like REX.W */
2282 #define	VEX_m 0x1F	/* VEX m-mmmm field */
2283 #define	VEX_v 0x78	/* VEX register specifier */
2284 #define	VEX_p 0x03	/* VEX pp field, opcode extension */
2285 
2286 /* VEX m-mmmm field, only used by three bytes prefix */
2287 #define	VEX_m_0F 0x01   /* implied 0F leading opcode byte */
2288 #define	VEX_m_0F38 0x02 /* implied 0F 38 leading opcode byte */
2289 #define	VEX_m_0F3A 0x03 /* implied 0F 3A leading opcode byte */
2290 
2291 /* VEX pp field, providing equivalent functionality of a SIMD prefix */
2292 #define	VEX_p_66 0x01
2293 #define	VEX_p_F3 0x02
2294 #define	VEX_p_F2 0x03
2295 
2296 /*
2297  * Even in 64 bit mode, usually only 4 byte immediate operands are supported.
2298  */
2299 static int isize[] = {1, 2, 4, 4};
2300 static int isize64[] = {1, 2, 4, 8};
2301 
2302 /*
2303  * Just a bunch of useful macros.
2304  */
2305 #define	WBIT(x)	(x & 0x1)		/* to get w bit	*/
2306 #define	REGNO(x) (x & 0x7)		/* to get 3 bit register */
2307 #define	VBIT(x)	((x)>>1 & 0x1)		/* to get 'v' bit */
2308 #define	OPSIZE(osize, wbit) ((wbit) ? isize[osize] : 1)
2309 #define	OPSIZE64(osize, wbit) ((wbit) ? isize64[osize] : 1)
2310 
2311 #define	REG_ONLY 3	/* mode to indicate a register operand (not memory) */
2312 
2313 #define	BYTE_OPND	0	/* w-bit value indicating byte register */
2314 #define	LONG_OPND	1	/* w-bit value indicating opnd_size register */
2315 #define	MM_OPND		2	/* "value" used to indicate a mmx reg */
2316 #define	XMM_OPND	3	/* "value" used to indicate a xmm reg */
2317 #define	SEG_OPND	4	/* "value" used to indicate a segment reg */
2318 #define	CONTROL_OPND	5	/* "value" used to indicate a control reg */
2319 #define	DEBUG_OPND	6	/* "value" used to indicate a debug reg */
2320 #define	TEST_OPND	7	/* "value" used to indicate a test reg */
2321 #define	WORD_OPND	8	/* w-bit value indicating word size reg */
2322 #define	YMM_OPND	9	/* "value" used to indicate a ymm reg */
2323 
2324 /*
2325  * The AVX2 gather instructions are a bit of a mess. While there's a pattern,
2326  * there's not really a consistent scheme that we can use to know what the mode
2327  * is supposed to be for a given type. Various instructions, like VPGATHERDD,
2328  * always match the value of VEX_L. Other instructions like VPGATHERDQ, have
2329  * some registers match VEX_L, but the VSIB is always XMM.
2330  *
2331  * The simplest way to deal with this is to just define a table based on the
2332  * instruction opcodes, which are 0x90-0x93, so we subtract 0x90 to index into
2333  * them.
2334  *
2335  * We further have to subdivide this based on the value of VEX_W and the value
2336  * of VEX_L. The array is constructed to be indexed as:
2337  * 	[opcode - 0x90][VEX_W][VEX_L].
2338  */
2339 /* w = 0, 0x90 */
2340 typedef struct dis_gather_regs {
2341 	uint_t dgr_arg0;	/* src reg */
2342 	uint_t dgr_arg1;	/* vsib reg */
2343 	uint_t dgr_arg2;	/* dst reg */
2344 	char   *dgr_suffix;	/* suffix to append */
2345 } dis_gather_regs_t;
2346 
2347 static dis_gather_regs_t dis_vgather[4][2][2] = {
2348 	{
2349 		/* op 0x90, W.0 */
2350 		{
2351 			{ XMM_OPND, XMM_OPND, XMM_OPND, "d" },
2352 			{ YMM_OPND, YMM_OPND, YMM_OPND, "d" }
2353 		},
2354 		/* op 0x90, W.1 */
2355 		{
2356 			{ XMM_OPND, XMM_OPND, XMM_OPND, "q" },
2357 			{ YMM_OPND, XMM_OPND, YMM_OPND, "q" }
2358 		}
2359 	},
2360 	{
2361 		/* op 0x91, W.0 */
2362 		{
2363 			{ XMM_OPND, XMM_OPND, XMM_OPND, "d" },
2364 			{ XMM_OPND, YMM_OPND, XMM_OPND, "d" },
2365 		},
2366 		/* op 0x91, W.1 */
2367 		{
2368 			{ XMM_OPND, XMM_OPND, XMM_OPND, "q" },
2369 			{ YMM_OPND, YMM_OPND, YMM_OPND, "q" },
2370 		}
2371 	},
2372 	{
2373 		/* op 0x92, W.0 */
2374 		{
2375 			{ XMM_OPND, XMM_OPND, XMM_OPND, "s" },
2376 			{ YMM_OPND, YMM_OPND, YMM_OPND, "s" }
2377 		},
2378 		/* op 0x92, W.1 */
2379 		{
2380 			{ XMM_OPND, XMM_OPND, XMM_OPND, "d" },
2381 			{ YMM_OPND, XMM_OPND, YMM_OPND, "d" }
2382 		}
2383 	},
2384 	{
2385 		/* op 0x93, W.0 */
2386 		{
2387 			{ XMM_OPND, XMM_OPND, XMM_OPND, "s" },
2388 			{ XMM_OPND, YMM_OPND, XMM_OPND, "s" }
2389 		},
2390 		/* op 0x93, W.1 */
2391 		{
2392 			{ XMM_OPND, XMM_OPND, XMM_OPND, "d" },
2393 			{ YMM_OPND, YMM_OPND, YMM_OPND, "d" }
2394 		}
2395 	}
2396 };
2397 
2398 /*
2399  * Get the next byte and separate the op code into the high and low nibbles.
2400  */
2401 static int
2402 dtrace_get_opcode(dis86_t *x, uint_t *high, uint_t *low)
2403 {
2404 	int byte;
2405 
2406 	/*
2407 	 * x86 instructions have a maximum length of 15 bytes.  Bail out if
2408 	 * we try to read more.
2409 	 */
2410 	if (x->d86_len >= 15)
2411 		return (x->d86_error = 1);
2412 
2413 	if (x->d86_error)
2414 		return (1);
2415 	byte = x->d86_get_byte(x->d86_data);
2416 	if (byte < 0)
2417 		return (x->d86_error = 1);
2418 	x->d86_bytes[x->d86_len++] = byte;
2419 	*low = byte & 0xf;		/* ----xxxx low 4 bits */
2420 	*high = byte >> 4 & 0xf;	/* xxxx---- bits 7 to 4 */
2421 	return (0);
2422 }
2423 
2424 /*
2425  * Get and decode an SIB (scaled index base) byte
2426  */
2427 static void
2428 dtrace_get_SIB(dis86_t *x, uint_t *ss, uint_t *index, uint_t *base)
2429 {
2430 	int byte;
2431 
2432 	if (x->d86_error)
2433 		return;
2434 
2435 	byte = x->d86_get_byte(x->d86_data);
2436 	if (byte < 0) {
2437 		x->d86_error = 1;
2438 		return;
2439 	}
2440 	x->d86_bytes[x->d86_len++] = byte;
2441 
2442 	*base = byte & 0x7;
2443 	*index = (byte >> 3) & 0x7;
2444 	*ss = (byte >> 6) & 0x3;
2445 }
2446 
2447 /*
2448  * Get the byte following the op code and separate it into the
2449  * mode, register, and r/m fields.
2450  */
2451 static void
2452 dtrace_get_modrm(dis86_t *x, uint_t *mode, uint_t *reg, uint_t *r_m)
2453 {
2454 	if (x->d86_got_modrm == 0) {
2455 		if (x->d86_rmindex == -1)
2456 			x->d86_rmindex = x->d86_len;
2457 		dtrace_get_SIB(x, mode, reg, r_m);
2458 		x->d86_got_modrm = 1;
2459 	}
2460 }
2461 
2462 /*
2463  * Adjust register selection based on any REX prefix bits present.
2464  */
2465 /*ARGSUSED*/
2466 static void
2467 dtrace_rex_adjust(uint_t rex_prefix, uint_t mode, uint_t *reg, uint_t *r_m)
2468 {
2469 	if (reg != NULL && r_m == NULL) {
2470 		if (rex_prefix & REX_B)
2471 			*reg += 8;
2472 	} else {
2473 		if (reg != NULL && (REX_R & rex_prefix) != 0)
2474 			*reg += 8;
2475 		if (r_m != NULL && (REX_B & rex_prefix) != 0)
2476 			*r_m += 8;
2477 	}
2478 }
2479 
2480 /*
2481  * Adjust register selection based on any VEX prefix bits present.
2482  * Notes: VEX.R, VEX.X and VEX.B use the inverted form compared with REX prefix
2483  */
2484 /*ARGSUSED*/
2485 static void
2486 dtrace_vex_adjust(uint_t vex_byte1, uint_t mode, uint_t *reg, uint_t *r_m)
2487 {
2488 	if (reg != NULL && r_m == NULL) {
2489 		if (!(vex_byte1 & VEX_B))
2490 			*reg += 8;
2491 	} else {
2492 		if (reg != NULL && ((VEX_R & vex_byte1) == 0))
2493 			*reg += 8;
2494 		if (r_m != NULL && ((VEX_B & vex_byte1) == 0))
2495 			*r_m += 8;
2496 	}
2497 }
2498 
2499 /*
2500  * Get an immediate operand of the given size, with sign extension.
2501  */
2502 static void
2503 dtrace_imm_opnd(dis86_t *x, int wbit, int size, int opindex)
2504 {
2505 	int i;
2506 	int byte;
2507 	int valsize;
2508 
2509 	if (x->d86_numopnds < opindex + 1)
2510 		x->d86_numopnds = opindex + 1;
2511 
2512 	switch (wbit) {
2513 	case BYTE_OPND:
2514 		valsize = 1;
2515 		break;
2516 	case LONG_OPND:
2517 		if (x->d86_opnd_size == SIZE16)
2518 			valsize = 2;
2519 		else if (x->d86_opnd_size == SIZE32)
2520 			valsize = 4;
2521 		else
2522 			valsize = 8;
2523 		break;
2524 	case MM_OPND:
2525 	case XMM_OPND:
2526 	case YMM_OPND:
2527 	case SEG_OPND:
2528 	case CONTROL_OPND:
2529 	case DEBUG_OPND:
2530 	case TEST_OPND:
2531 		valsize = size;
2532 		break;
2533 	case WORD_OPND:
2534 		valsize = 2;
2535 		break;
2536 	}
2537 	if (valsize < size)
2538 		valsize = size;
2539 
2540 	if (x->d86_error)
2541 		return;
2542 	x->d86_opnd[opindex].d86_value = 0;
2543 	for (i = 0; i < size; ++i) {
2544 		byte = x->d86_get_byte(x->d86_data);
2545 		if (byte < 0) {
2546 			x->d86_error = 1;
2547 			return;
2548 		}
2549 		x->d86_bytes[x->d86_len++] = byte;
2550 		x->d86_opnd[opindex].d86_value |= (uint64_t)byte << (i * 8);
2551 	}
2552 	/* Do sign extension */
2553 	if (x->d86_bytes[x->d86_len - 1] & 0x80) {
2554 		for (; i < sizeof (uint64_t); i++)
2555 			x->d86_opnd[opindex].d86_value |=
2556 			    (uint64_t)0xff << (i * 8);
2557 	}
2558 #ifdef DIS_TEXT
2559 	x->d86_opnd[opindex].d86_mode = MODE_SIGNED;
2560 	x->d86_opnd[opindex].d86_value_size = valsize;
2561 	x->d86_imm_bytes += size;
2562 #endif
2563 }
2564 
2565 /*
2566  * Get an ip relative operand of the given size, with sign extension.
2567  */
2568 static void
2569 dtrace_disp_opnd(dis86_t *x, int wbit, int size, int opindex)
2570 {
2571 	dtrace_imm_opnd(x, wbit, size, opindex);
2572 #ifdef DIS_TEXT
2573 	x->d86_opnd[opindex].d86_mode = MODE_IPREL;
2574 #endif
2575 }
2576 
2577 /*
2578  * Check to see if there is a segment override prefix pending.
2579  * If so, print it in the current 'operand' location and set
2580  * the override flag back to false.
2581  */
2582 /*ARGSUSED*/
2583 static void
2584 dtrace_check_override(dis86_t *x, int opindex)
2585 {
2586 #ifdef DIS_TEXT
2587 	if (x->d86_seg_prefix) {
2588 		(void) strlcat(x->d86_opnd[opindex].d86_prefix,
2589 		    x->d86_seg_prefix, PFIXLEN);
2590 	}
2591 #endif
2592 	x->d86_seg_prefix = NULL;
2593 }
2594 
2595 
2596 /*
2597  * Process a single instruction Register or Memory operand.
2598  *
2599  * mode = addressing mode from ModRM byte
2600  * r_m = r_m (or reg if mode == 3) field from ModRM byte
2601  * wbit = indicates which register (8bit, 16bit, ... MMX, etc.) set to use.
2602  * o = index of operand that we are processing (0, 1 or 2)
2603  *
2604  * the value of reg or r_m must have already been adjusted for any REX prefix.
2605  */
2606 /*ARGSUSED*/
2607 static void
2608 dtrace_get_operand(dis86_t *x, uint_t mode, uint_t r_m, int wbit, int opindex)
2609 {
2610 	int have_SIB = 0;	/* flag presence of scale-index-byte */
2611 	uint_t ss;		/* scale-factor from opcode */
2612 	uint_t index;		/* index register number */
2613 	uint_t base;		/* base register number */
2614 	int dispsize;   	/* size of displacement in bytes */
2615 #ifdef DIS_TEXT
2616 	char *opnd = x->d86_opnd[opindex].d86_opnd;
2617 #endif
2618 
2619 	if (x->d86_numopnds < opindex + 1)
2620 		x->d86_numopnds = opindex + 1;
2621 
2622 	if (x->d86_error)
2623 		return;
2624 
2625 	/*
2626 	 * first handle a simple register
2627 	 */
2628 	if (mode == REG_ONLY) {
2629 #ifdef DIS_TEXT
2630 		switch (wbit) {
2631 		case MM_OPND:
2632 			(void) strlcat(opnd, dis_MMREG[r_m], OPLEN);
2633 			break;
2634 		case XMM_OPND:
2635 			(void) strlcat(opnd, dis_XMMREG[r_m], OPLEN);
2636 			break;
2637 		case YMM_OPND:
2638 			(void) strlcat(opnd, dis_YMMREG[r_m], OPLEN);
2639 			break;
2640 		case SEG_OPND:
2641 			(void) strlcat(opnd, dis_SEGREG[r_m], OPLEN);
2642 			break;
2643 		case CONTROL_OPND:
2644 			(void) strlcat(opnd, dis_CONTROLREG[r_m], OPLEN);
2645 			break;
2646 		case DEBUG_OPND:
2647 			(void) strlcat(opnd, dis_DEBUGREG[r_m], OPLEN);
2648 			break;
2649 		case TEST_OPND:
2650 			(void) strlcat(opnd, dis_TESTREG[r_m], OPLEN);
2651 			break;
2652 		case BYTE_OPND:
2653 			if (x->d86_rex_prefix == 0)
2654 				(void) strlcat(opnd, dis_REG8[r_m], OPLEN);
2655 			else
2656 				(void) strlcat(opnd, dis_REG8_REX[r_m], OPLEN);
2657 			break;
2658 		case WORD_OPND:
2659 			(void) strlcat(opnd, dis_REG16[r_m], OPLEN);
2660 			break;
2661 		case LONG_OPND:
2662 			if (x->d86_opnd_size == SIZE16)
2663 				(void) strlcat(opnd, dis_REG16[r_m], OPLEN);
2664 			else if (x->d86_opnd_size == SIZE32)
2665 				(void) strlcat(opnd, dis_REG32[r_m], OPLEN);
2666 			else
2667 				(void) strlcat(opnd, dis_REG64[r_m], OPLEN);
2668 			break;
2669 		}
2670 #endif /* DIS_TEXT */
2671 		return;
2672 	}
2673 
2674 	/*
2675 	 * if symbolic representation, skip override prefix, if any
2676 	 */
2677 	dtrace_check_override(x, opindex);
2678 
2679 	/*
2680 	 * Handle 16 bit memory references first, since they decode
2681 	 * the mode values more simply.
2682 	 * mode 1 is r_m + 8 bit displacement
2683 	 * mode 2 is r_m + 16 bit displacement
2684 	 * mode 0 is just r_m, unless r_m is 6 which is 16 bit disp
2685 	 */
2686 	if (x->d86_addr_size == SIZE16) {
2687 		if ((mode == 0 && r_m == 6) || mode == 2)
2688 			dtrace_imm_opnd(x, WORD_OPND, 2, opindex);
2689 		else if (mode == 1)
2690 			dtrace_imm_opnd(x, BYTE_OPND, 1, opindex);
2691 #ifdef DIS_TEXT
2692 		if (mode == 0 && r_m == 6)
2693 			x->d86_opnd[opindex].d86_mode = MODE_SIGNED;
2694 		else if (mode == 0)
2695 			x->d86_opnd[opindex].d86_mode = MODE_NONE;
2696 		else
2697 			x->d86_opnd[opindex].d86_mode = MODE_OFFSET;
2698 		(void) strlcat(opnd, dis_addr16[mode][r_m], OPLEN);
2699 #endif
2700 		return;
2701 	}
2702 
2703 	/*
2704 	 * 32 and 64 bit addressing modes are more complex since they
2705 	 * can involve an SIB (scaled index and base) byte to decode.
2706 	 */
2707 	if (r_m == ESP_REGNO || r_m == ESP_REGNO + 8) {
2708 		have_SIB = 1;
2709 		dtrace_get_SIB(x, &ss, &index, &base);
2710 		if (x->d86_error)
2711 			return;
2712 		if (base != 5 || mode != 0)
2713 			if (x->d86_rex_prefix & REX_B)
2714 				base += 8;
2715 		if (x->d86_rex_prefix & REX_X)
2716 			index += 8;
2717 	} else {
2718 		base = r_m;
2719 	}
2720 
2721 	/*
2722 	 * Compute the displacement size and get its bytes
2723 	 */
2724 	dispsize = 0;
2725 
2726 	if (mode == 1)
2727 		dispsize = 1;
2728 	else if (mode == 2)
2729 		dispsize = 4;
2730 	else if ((r_m & 7) == EBP_REGNO ||
2731 	    (have_SIB && (base & 7) == EBP_REGNO))
2732 		dispsize = 4;
2733 
2734 	if (dispsize > 0) {
2735 		dtrace_imm_opnd(x, dispsize == 4 ? LONG_OPND : BYTE_OPND,
2736 		    dispsize, opindex);
2737 		if (x->d86_error)
2738 			return;
2739 	}
2740 
2741 #ifdef DIS_TEXT
2742 	if (dispsize > 0)
2743 		x->d86_opnd[opindex].d86_mode = MODE_OFFSET;
2744 
2745 	if (have_SIB == 0) {
2746 		if (x->d86_mode == SIZE32) {
2747 			if (mode == 0)
2748 				(void) strlcat(opnd, dis_addr32_mode0[r_m],
2749 				    OPLEN);
2750 			else
2751 				(void) strlcat(opnd, dis_addr32_mode12[r_m],
2752 				    OPLEN);
2753 		} else {
2754 			if (mode == 0) {
2755 				(void) strlcat(opnd, dis_addr64_mode0[r_m],
2756 				    OPLEN);
2757 				if (r_m == 5) {
2758 					x->d86_opnd[opindex].d86_mode =
2759 					    MODE_RIPREL;
2760 				}
2761 			} else {
2762 				(void) strlcat(opnd, dis_addr64_mode12[r_m],
2763 				    OPLEN);
2764 			}
2765 		}
2766 	} else {
2767 		uint_t need_paren = 0;
2768 		char **regs;
2769 		char **bregs;
2770 		const char *const *sf;
2771 		if (x->d86_mode == SIZE32) /* NOTE this is not addr_size! */
2772 			regs = (char **)dis_REG32;
2773 		else
2774 			regs = (char **)dis_REG64;
2775 
2776 		if (x->d86_vsib != 0) {
2777 			if (wbit == YMM_OPND) /* NOTE this is not addr_size! */
2778 				bregs = (char **)dis_YMMREG;
2779 			else
2780 				bregs = (char **)dis_XMMREG;
2781 			sf = dis_vscale_factor;
2782 		} else {
2783 			bregs = regs;
2784 			sf = dis_scale_factor;
2785 		}
2786 
2787 		/*
2788 		 * print the base (if any)
2789 		 */
2790 		if (base == EBP_REGNO && mode == 0) {
2791 			if (index != ESP_REGNO || x->d86_vsib != 0) {
2792 				(void) strlcat(opnd, "(", OPLEN);
2793 				need_paren = 1;
2794 			}
2795 		} else {
2796 			(void) strlcat(opnd, "(", OPLEN);
2797 			(void) strlcat(opnd, regs[base], OPLEN);
2798 			need_paren = 1;
2799 		}
2800 
2801 		/*
2802 		 * print the index (if any)
2803 		 */
2804 		if (index != ESP_REGNO || x->d86_vsib) {
2805 			(void) strlcat(opnd, ",", OPLEN);
2806 			(void) strlcat(opnd, bregs[index], OPLEN);
2807 			(void) strlcat(opnd, sf[ss], OPLEN);
2808 		} else
2809 			if (need_paren)
2810 				(void) strlcat(opnd, ")", OPLEN);
2811 	}
2812 #endif
2813 }
2814 
2815 /*
2816  * Operand sequence for standard instruction involving one register
2817  * and one register/memory operand.
2818  * wbit indicates a byte(0) or opnd_size(1) operation
2819  * vbit indicates direction (0 for "opcode r,r_m") or (1 for "opcode r_m, r")
2820  */
2821 #define	STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, vbit)  {	\
2822 		dtrace_get_modrm(x, &mode, &reg, &r_m);			\
2823 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);	\
2824 		dtrace_get_operand(x, mode, r_m, wbit, vbit);		\
2825 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 1 - vbit);	\
2826 }
2827 
2828 /*
2829  * Similar to above, but allows for the two operands to be of different
2830  * classes (ie. wbit).
2831  *	wbit is for the r_m operand
2832  *	w2 is for the reg operand
2833  */
2834 #define	MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, w2, vbit)	{	\
2835 		dtrace_get_modrm(x, &mode, &reg, &r_m);			\
2836 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);	\
2837 		dtrace_get_operand(x, mode, r_m, wbit, vbit);		\
2838 		dtrace_get_operand(x, REG_ONLY, reg, w2, 1 - vbit);	\
2839 }
2840 
2841 /*
2842  * Similar, but for 2 operands plus an immediate.
2843  * vbit indicates direction
2844  * 	0 for "opcode imm, r, r_m" or
2845  *	1 for "opcode imm, r_m, r"
2846  */
2847 #define	THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, immsize, vbit) { \
2848 		dtrace_get_modrm(x, &mode, &reg, &r_m);			\
2849 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);	\
2850 		dtrace_get_operand(x, mode, r_m, wbit, 2-vbit);		\
2851 		dtrace_get_operand(x, REG_ONLY, reg, w2, 1+vbit);	\
2852 		dtrace_imm_opnd(x, wbit, immsize, 0);			\
2853 }
2854 
2855 /*
2856  * Similar, but for 2 operands plus two immediates.
2857  */
2858 #define	FOUROPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, immsize) { \
2859 		dtrace_get_modrm(x, &mode, &reg, &r_m);			\
2860 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);	\
2861 		dtrace_get_operand(x, mode, r_m, wbit, 2);		\
2862 		dtrace_get_operand(x, REG_ONLY, reg, w2, 3);		\
2863 		dtrace_imm_opnd(x, wbit, immsize, 1);			\
2864 		dtrace_imm_opnd(x, wbit, immsize, 0);			\
2865 }
2866 
2867 /*
2868  * 1 operands plus two immediates.
2869  */
2870 #define	ONEOPERAND_TWOIMM(x, mode, reg, r_m, rex_prefix, wbit, immsize) { \
2871 		dtrace_get_modrm(x, &mode, &reg, &r_m);			\
2872 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);	\
2873 		dtrace_get_operand(x, mode, r_m, wbit, 2);		\
2874 		dtrace_imm_opnd(x, wbit, immsize, 1);			\
2875 		dtrace_imm_opnd(x, wbit, immsize, 0);			\
2876 }
2877 
2878 /*
2879  * Dissassemble a single x86 or amd64 instruction.
2880  *
2881  * Mode determines the default operating mode (SIZE16, SIZE32 or SIZE64)
2882  * for interpreting instructions.
2883  *
2884  * returns non-zero for bad opcode
2885  */
2886 int
2887 dtrace_disx86(dis86_t *x, uint_t cpu_mode)
2888 {
2889 	instable_t *dp;		/* decode table being used */
2890 #ifdef DIS_TEXT
2891 	uint_t i;
2892 #endif
2893 #ifdef DIS_MEM
2894 	uint_t nomem = 0;
2895 #define	NOMEM	(nomem = 1)
2896 #else
2897 #define	NOMEM	/* nothing */
2898 #endif
2899 	uint_t opnd_size;	/* SIZE16, SIZE32 or SIZE64 */
2900 	uint_t addr_size;	/* SIZE16, SIZE32 or SIZE64 */
2901 	uint_t wbit;		/* opcode wbit, 0 is 8 bit, !0 for opnd_size */
2902 	uint_t w2;		/* wbit value for second operand */
2903 	uint_t vbit;
2904 	uint_t mode = 0;	/* mode value from ModRM byte */
2905 	uint_t reg;		/* reg value from ModRM byte */
2906 	uint_t r_m;		/* r_m value from ModRM byte */
2907 
2908 	uint_t opcode1;		/* high nibble of 1st byte */
2909 	uint_t opcode2;		/* low nibble of 1st byte */
2910 	uint_t opcode3;		/* extra opcode bits usually from ModRM byte */
2911 	uint_t opcode4;		/* high nibble of 2nd byte */
2912 	uint_t opcode5;		/* low nibble of 2nd byte */
2913 	uint_t opcode6;		/* high nibble of 3rd byte */
2914 	uint_t opcode7;		/* low nibble of 3rd byte */
2915 	uint_t opcode_bytes = 1;
2916 
2917 	/*
2918 	 * legacy prefixes come in 5 flavors, you should have only one of each
2919 	 */
2920 	uint_t	opnd_size_prefix = 0;
2921 	uint_t	addr_size_prefix = 0;
2922 	uint_t	segment_prefix = 0;
2923 	uint_t	lock_prefix = 0;
2924 	uint_t	rep_prefix = 0;
2925 	uint_t	rex_prefix = 0;	/* amd64 register extension prefix */
2926 
2927 	/*
2928 	 * Intel VEX instruction encoding prefix and fields
2929 	 */
2930 
2931 	/* 0xC4 means 3 bytes prefix, 0xC5 means 2 bytes prefix */
2932 	uint_t vex_prefix = 0;
2933 
2934 	/*
2935 	 * VEX prefix byte 1, includes vex.r, vex.x and vex.b
2936 	 * (for 3 bytes prefix)
2937 	 */
2938 	uint_t vex_byte1 = 0;
2939 
2940 	/*
2941 	 * For 32-bit mode, it should prefetch the next byte to
2942 	 * distinguish between AVX and les/lds
2943 	 */
2944 	uint_t vex_prefetch = 0;
2945 
2946 	uint_t vex_m = 0;
2947 	uint_t vex_v = 0;
2948 	uint_t vex_p = 0;
2949 	uint_t vex_R = 1;
2950 	uint_t vex_X = 1;
2951 	uint_t vex_B = 1;
2952 	uint_t vex_W = 0;
2953 	uint_t vex_L;
2954 	dis_gather_regs_t *vreg;
2955 
2956 #ifdef	DIS_TEXT
2957 	/* Instruction name for BLS* family of instructions */
2958 	char *blsinstr;
2959 #endif
2960 
2961 	size_t	off;
2962 
2963 	instable_t dp_mmx;
2964 
2965 	x->d86_len = 0;
2966 	x->d86_rmindex = -1;
2967 	x->d86_error = 0;
2968 #ifdef DIS_TEXT
2969 	x->d86_numopnds = 0;
2970 	x->d86_seg_prefix = NULL;
2971 	x->d86_mnem[0] = 0;
2972 	for (i = 0; i < 4; ++i) {
2973 		x->d86_opnd[i].d86_opnd[0] = 0;
2974 		x->d86_opnd[i].d86_prefix[0] = 0;
2975 		x->d86_opnd[i].d86_value_size = 0;
2976 		x->d86_opnd[i].d86_value = 0;
2977 		x->d86_opnd[i].d86_mode = MODE_NONE;
2978 	}
2979 #endif
2980 	x->d86_rex_prefix = 0;
2981 	x->d86_got_modrm = 0;
2982 	x->d86_memsize = 0;
2983 	x->d86_vsib = 0;
2984 
2985 	if (cpu_mode == SIZE16) {
2986 		opnd_size = SIZE16;
2987 		addr_size = SIZE16;
2988 	} else if (cpu_mode == SIZE32) {
2989 		opnd_size = SIZE32;
2990 		addr_size = SIZE32;
2991 	} else {
2992 		opnd_size = SIZE32;
2993 		addr_size = SIZE64;
2994 	}
2995 
2996 	/*
2997 	 * Get one opcode byte and check for zero padding that follows
2998 	 * jump tables.
2999 	 */
3000 	if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0)
3001 		goto error;
3002 
3003 	if (opcode1 == 0 && opcode2 == 0 &&
3004 	    x->d86_check_func != NULL && x->d86_check_func(x->d86_data)) {
3005 #ifdef DIS_TEXT
3006 		(void) strncpy(x->d86_mnem, ".byte\t0", OPLEN);
3007 #endif
3008 		goto done;
3009 	}
3010 
3011 	/*
3012 	 * Gather up legacy x86 prefix bytes.
3013 	 */
3014 	for (;;) {
3015 		uint_t *which_prefix = NULL;
3016 
3017 		dp = (instable_t *)&dis_distable[opcode1][opcode2];
3018 
3019 		switch (dp->it_adrmode) {
3020 		case PREFIX:
3021 			which_prefix = &rep_prefix;
3022 			break;
3023 		case LOCK:
3024 			which_prefix = &lock_prefix;
3025 			break;
3026 		case OVERRIDE:
3027 			which_prefix = &segment_prefix;
3028 #ifdef DIS_TEXT
3029 			x->d86_seg_prefix = (char *)dp->it_name;
3030 #endif
3031 			if (dp->it_invalid64 && cpu_mode == SIZE64)
3032 				goto error;
3033 			break;
3034 		case AM:
3035 			which_prefix = &addr_size_prefix;
3036 			break;
3037 		case DM:
3038 			which_prefix = &opnd_size_prefix;
3039 			break;
3040 		}
3041 		if (which_prefix == NULL)
3042 			break;
3043 		*which_prefix = (opcode1 << 4) | opcode2;
3044 		if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0)
3045 			goto error;
3046 	}
3047 
3048 	/*
3049 	 * Handle amd64 mode PREFIX values.
3050 	 * Some of the segment prefixes are no-ops. (only FS/GS actually work)
3051 	 * We might have a REX prefix (opcodes 0x40-0x4f)
3052 	 */
3053 	if (cpu_mode == SIZE64) {
3054 		if (segment_prefix != 0x64 && segment_prefix != 0x65)
3055 			segment_prefix = 0;
3056 
3057 		if (opcode1 == 0x4) {
3058 			rex_prefix = (opcode1 << 4) | opcode2;
3059 			if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0)
3060 				goto error;
3061 			dp = (instable_t *)&dis_distable[opcode1][opcode2];
3062 		} else if (opcode1 == 0xC &&
3063 		    (opcode2 == 0x4 || opcode2 == 0x5)) {
3064 			/* AVX instructions */
3065 			vex_prefix = (opcode1 << 4) | opcode2;
3066 			x->d86_rex_prefix = 0x40;
3067 		}
3068 	} else if (opcode1 == 0xC && (opcode2 == 0x4 || opcode2 == 0x5)) {
3069 		/* LDS, LES or AVX */
3070 		dtrace_get_modrm(x, &mode, &reg, &r_m);
3071 		vex_prefetch = 1;
3072 
3073 		if (mode == REG_ONLY) {
3074 			/* AVX */
3075 			vex_prefix = (opcode1 << 4) | opcode2;
3076 			x->d86_rex_prefix = 0x40;
3077 			opcode3 = (((mode << 3) | reg)>>1) & 0x0F;
3078 			opcode4 = ((reg << 3) | r_m) & 0x0F;
3079 		}
3080 	}
3081 
3082 	if (vex_prefix == VEX_2bytes) {
3083 		if (!vex_prefetch) {
3084 			if (dtrace_get_opcode(x, &opcode3, &opcode4) != 0)
3085 				goto error;
3086 		}
3087 		vex_R = ((opcode3 & VEX_R) & 0x0F) >> 3;
3088 		vex_L = ((opcode4 & VEX_L) & 0x0F) >> 2;
3089 		vex_v = (((opcode3 << 4) | opcode4) & VEX_v) >> 3;
3090 		vex_p = opcode4 & VEX_p;
3091 		/*
3092 		 * The vex.x and vex.b bits are not defined in two bytes
3093 		 * mode vex prefix, their default values are 1
3094 		 */
3095 		vex_byte1 = (opcode3 & VEX_R) | VEX_X | VEX_B;
3096 
3097 		if (vex_R == 0)
3098 			x->d86_rex_prefix |= REX_R;
3099 
3100 		if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0)
3101 			goto error;
3102 
3103 		switch (vex_p) {
3104 			case VEX_p_66:
3105 				dp = (instable_t *)
3106 				    &dis_opAVX660F[(opcode1 << 4) | opcode2];
3107 				break;
3108 			case VEX_p_F3:
3109 				dp = (instable_t *)
3110 				    &dis_opAVXF30F[(opcode1 << 4) | opcode2];
3111 				break;
3112 			case VEX_p_F2:
3113 				dp = (instable_t *)
3114 				    &dis_opAVXF20F [(opcode1 << 4) | opcode2];
3115 				break;
3116 			default:
3117 				dp = (instable_t *)
3118 				    &dis_opAVX0F[opcode1][opcode2];
3119 
3120 		}
3121 
3122 	} else if (vex_prefix == VEX_3bytes) {
3123 		if (!vex_prefetch) {
3124 			if (dtrace_get_opcode(x, &opcode3, &opcode4) != 0)
3125 				goto error;
3126 		}
3127 		vex_R = (opcode3 & VEX_R) >> 3;
3128 		vex_X = (opcode3 & VEX_X) >> 2;
3129 		vex_B = (opcode3 & VEX_B) >> 1;
3130 		vex_m = (((opcode3 << 4) | opcode4) & VEX_m);
3131 		vex_byte1 = opcode3 & (VEX_R | VEX_X | VEX_B);
3132 
3133 		if (vex_R == 0)
3134 			x->d86_rex_prefix |= REX_R;
3135 		if (vex_X == 0)
3136 			x->d86_rex_prefix |= REX_X;
3137 		if (vex_B == 0)
3138 			x->d86_rex_prefix |= REX_B;
3139 
3140 		if (dtrace_get_opcode(x, &opcode5, &opcode6) != 0)
3141 			goto error;
3142 		vex_W = (opcode5 & VEX_W) >> 3;
3143 		vex_L = (opcode6 & VEX_L) >> 2;
3144 		vex_v = (((opcode5 << 4) | opcode6) & VEX_v) >> 3;
3145 		vex_p = opcode6 & VEX_p;
3146 
3147 		if (vex_W)
3148 			x->d86_rex_prefix |= REX_W;
3149 
3150 		/* Only these three vex_m values valid; others are reserved */
3151 		if ((vex_m != VEX_m_0F) && (vex_m != VEX_m_0F38) &&
3152 		    (vex_m != VEX_m_0F3A))
3153 			goto error;
3154 
3155 		if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0)
3156 			goto error;
3157 
3158 		switch (vex_p) {
3159 			case VEX_p_66:
3160 				if (vex_m == VEX_m_0F) {
3161 					dp = (instable_t *)
3162 					    &dis_opAVX660F
3163 					    [(opcode1 << 4) | opcode2];
3164 				} else if (vex_m == VEX_m_0F38) {
3165 					dp = (instable_t *)
3166 					    &dis_opAVX660F38
3167 					    [(opcode1 << 4) | opcode2];
3168 				} else if (vex_m == VEX_m_0F3A) {
3169 					dp = (instable_t *)
3170 					    &dis_opAVX660F3A
3171 					    [(opcode1 << 4) | opcode2];
3172 				} else {
3173 					goto error;
3174 				}
3175 				break;
3176 			case VEX_p_F3:
3177 				if (vex_m == VEX_m_0F) {
3178 					dp = (instable_t *)
3179 					    &dis_opAVXF30F
3180 					    [(opcode1 << 4) | opcode2];
3181 				} else if (vex_m == VEX_m_0F38) {
3182 					dp = (instable_t *)
3183 					    &dis_opAVXF30F38
3184 					    [(opcode1 << 4) | opcode2];
3185 				} else {
3186 					goto error;
3187 				}
3188 				break;
3189 			case VEX_p_F2:
3190 				if (vex_m == VEX_m_0F) {
3191 					dp = (instable_t *)
3192 					    &dis_opAVXF20F
3193 					    [(opcode1 << 4) | opcode2];
3194 				} else if (vex_m == VEX_m_0F3A) {
3195 					dp = (instable_t *)
3196 					    &dis_opAVXF20F3A
3197 					    [(opcode1 << 4) | opcode2];
3198 				} else if (vex_m == VEX_m_0F38) {
3199 					dp = (instable_t *)
3200 					    &dis_opAVXF20F38
3201 					    [(opcode1 << 4) | opcode2];
3202 				} else {
3203 					goto error;
3204 				}
3205 				break;
3206 			default:
3207 				dp = (instable_t *)
3208 				    &dis_opAVX0F[opcode1][opcode2];
3209 
3210 		}
3211 	}
3212 	if (vex_prefix) {
3213 		if (dp->it_vexwoxmm) {
3214 			wbit = LONG_OPND;
3215 		} else {
3216 			if (vex_L)
3217 				wbit = YMM_OPND;
3218 			else
3219 				wbit = XMM_OPND;
3220 		}
3221 	}
3222 
3223 	/*
3224 	 * Deal with selection of operand and address size now.
3225 	 * Note that the REX.W bit being set causes opnd_size_prefix to be
3226 	 * ignored.
3227 	 */
3228 	if (cpu_mode == SIZE64) {
3229 		if ((rex_prefix & REX_W) || vex_W)
3230 			opnd_size = SIZE64;
3231 		else if (opnd_size_prefix)
3232 			opnd_size = SIZE16;
3233 
3234 		if (addr_size_prefix)
3235 			addr_size = SIZE32;
3236 	} else if (cpu_mode == SIZE32) {
3237 		if (opnd_size_prefix)
3238 			opnd_size = SIZE16;
3239 		if (addr_size_prefix)
3240 			addr_size = SIZE16;
3241 	} else {
3242 		if (opnd_size_prefix)
3243 			opnd_size = SIZE32;
3244 		if (addr_size_prefix)
3245 			addr_size = SIZE32;
3246 	}
3247 	/*
3248 	 * The pause instruction - a repz'd nop.  This doesn't fit
3249 	 * with any of the other prefix goop added for SSE, so we'll
3250 	 * special-case it here.
3251 	 */
3252 	if (rep_prefix == 0xf3 && opcode1 == 0x9 && opcode2 == 0x0) {
3253 		rep_prefix = 0;
3254 		dp = (instable_t *)&dis_opPause;
3255 	}
3256 
3257 	/*
3258 	 * Some 386 instructions have 2 bytes of opcode before the mod_r/m
3259 	 * byte so we may need to perform a table indirection.
3260 	 */
3261 	if (dp->it_indirect == (instable_t *)dis_op0F) {
3262 		if (dtrace_get_opcode(x, &opcode4, &opcode5) != 0)
3263 			goto error;
3264 		opcode_bytes = 2;
3265 		if (opcode4 == 0x7 && opcode5 >= 0x1 && opcode5 <= 0x3) {
3266 			uint_t	subcode;
3267 
3268 			if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0)
3269 				goto error;
3270 			opcode_bytes = 3;
3271 			subcode = ((opcode6 & 0x3) << 1) |
3272 			    ((opcode7 & 0x8) >> 3);
3273 			dp = (instable_t *)&dis_op0F7123[opcode5][subcode];
3274 		} else if ((opcode4 == 0xc) && (opcode5 >= 0x8)) {
3275 			dp = (instable_t *)&dis_op0FC8[0];
3276 		} else if ((opcode4 == 0x3) && (opcode5 == 0xA)) {
3277 			opcode_bytes = 3;
3278 			if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0)
3279 				goto error;
3280 			if (opnd_size == SIZE16)
3281 				opnd_size = SIZE32;
3282 
3283 			dp = (instable_t *)&dis_op0F3A[(opcode6<<4)|opcode7];
3284 #ifdef DIS_TEXT
3285 			if (strcmp(dp->it_name, "INVALID") == 0)
3286 				goto error;
3287 #endif
3288 			switch (dp->it_adrmode) {
3289 				case XMMP:
3290 					break;
3291 				case XMMP_66r:
3292 				case XMMPRM_66r:
3293 				case XMM3PM_66r:
3294 					if (opnd_size_prefix == 0) {
3295 						goto error;
3296 					}
3297 
3298 					break;
3299 				case XMMP_66o:
3300 					if (opnd_size_prefix == 0) {
3301 						/* SSSE3 MMX instructions */
3302 						dp_mmx = *dp;
3303 						dp = &dp_mmx;
3304 						dp->it_adrmode = MMOPM_66o;
3305 #ifdef	DIS_MEM
3306 						dp->it_size = 8;
3307 #endif
3308 					}
3309 					break;
3310 				default:
3311 					goto error;
3312 			}
3313 		} else if ((opcode4 == 0x3) && (opcode5 == 0x8)) {
3314 			opcode_bytes = 3;
3315 			if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0)
3316 				goto error;
3317 			dp = (instable_t *)&dis_op0F38[(opcode6<<4)|opcode7];
3318 
3319 			/*
3320 			 * Both crc32 and movbe have the same 3rd opcode
3321 			 * byte of either 0xF0 or 0xF1, so we use another
3322 			 * indirection to distinguish between the two.
3323 			 */
3324 			if (dp->it_indirect == (instable_t *)dis_op0F38F0 ||
3325 			    dp->it_indirect == (instable_t *)dis_op0F38F1) {
3326 
3327 				dp = dp->it_indirect;
3328 				if (rep_prefix != 0xF2) {
3329 					/* It is movbe */
3330 					dp++;
3331 				}
3332 			}
3333 
3334 			/*
3335 			 * The adx family of instructions (adcx and adox)
3336 			 * continue the classic Intel tradition of abusing
3337 			 * arbitrary prefixes without actually meaning the
3338 			 * prefix bit. Therefore, if we find either the
3339 			 * opnd_size_prefix or rep_prefix we end up zeroing it
3340 			 * out after making our determination so as to ensure
3341 			 * that we don't get confused and accidentally print
3342 			 * repz prefixes and the like on these instructions.
3343 			 *
3344 			 * In addition, these instructions are actually much
3345 			 * closer to AVX instructions in semantics. Importantly,
3346 			 * they always default to having 32-bit operands.
3347 			 * However, if the CPU is in 64-bit mode, then and only
3348 			 * then, does it use REX.w promotes things to 64-bits
3349 			 * and REX.r allows 64-bit mode to use register r8-r15.
3350 			 */
3351 			if (dp->it_indirect == (instable_t *)dis_op0F38F6) {
3352 				dp = dp->it_indirect;
3353 				if (opnd_size_prefix == 0 &&
3354 				    rep_prefix == 0xf3) {
3355 					/* It is adox */
3356 					dp++;
3357 				} else if (opnd_size_prefix != 0x66 &&
3358 				    rep_prefix != 0) {
3359 					/* It isn't adcx */
3360 					goto error;
3361 				}
3362 				opnd_size_prefix = 0;
3363 				rep_prefix = 0;
3364 				opnd_size = SIZE32;
3365 				if (rex_prefix & REX_W)
3366 					opnd_size = SIZE64;
3367 			}
3368 
3369 #ifdef DIS_TEXT
3370 			if (strcmp(dp->it_name, "INVALID") == 0)
3371 				goto error;
3372 #endif
3373 			switch (dp->it_adrmode) {
3374 				case ADX:
3375 				case XMM:
3376 					break;
3377 				case RM_66r:
3378 				case XMM_66r:
3379 				case XMMM_66r:
3380 					if (opnd_size_prefix == 0) {
3381 						goto error;
3382 					}
3383 					break;
3384 				case XMM_66o:
3385 					if (opnd_size_prefix == 0) {
3386 						/* SSSE3 MMX instructions */
3387 						dp_mmx = *dp;
3388 						dp = &dp_mmx;
3389 						dp->it_adrmode = MM;
3390 #ifdef	DIS_MEM
3391 						dp->it_size = 8;
3392 #endif
3393 					}
3394 					break;
3395 				case CRC32:
3396 					if (rep_prefix != 0xF2) {
3397 						goto error;
3398 					}
3399 					rep_prefix = 0;
3400 					break;
3401 				case MOVBE:
3402 					if (rep_prefix != 0x0) {
3403 						goto error;
3404 					}
3405 					break;
3406 				default:
3407 					goto error;
3408 			}
3409 		} else {
3410 			dp = (instable_t *)&dis_op0F[opcode4][opcode5];
3411 		}
3412 	}
3413 
3414 	/*
3415 	 * If still not at a TERM decode entry, then a ModRM byte
3416 	 * exists and its fields further decode the instruction.
3417 	 */
3418 	x->d86_got_modrm = 0;
3419 	if (dp->it_indirect != TERM) {
3420 		dtrace_get_modrm(x, &mode, &opcode3, &r_m);
3421 		if (x->d86_error)
3422 			goto error;
3423 		reg = opcode3;
3424 
3425 		/*
3426 		 * decode 287 instructions (D8-DF) from opcodeN
3427 		 */
3428 		if (opcode1 == 0xD && opcode2 >= 0x8) {
3429 			if (opcode2 == 0xB && mode == 0x3 && opcode3 == 4)
3430 				dp = (instable_t *)&dis_opFP5[r_m];
3431 			else if (opcode2 == 0xA && mode == 0x3 && opcode3 < 4)
3432 				dp = (instable_t *)&dis_opFP7[opcode3];
3433 			else if (opcode2 == 0xB && mode == 0x3)
3434 				dp = (instable_t *)&dis_opFP6[opcode3];
3435 			else if (opcode2 == 0x9 && mode == 0x3 && opcode3 >= 4)
3436 				dp = (instable_t *)&dis_opFP4[opcode3 - 4][r_m];
3437 			else if (mode == 0x3)
3438 				dp = (instable_t *)
3439 				    &dis_opFP3[opcode2 - 8][opcode3];
3440 			else
3441 				dp = (instable_t *)
3442 				    &dis_opFP1n2[opcode2 - 8][opcode3];
3443 		} else {
3444 			dp = (instable_t *)dp->it_indirect + opcode3;
3445 		}
3446 	}
3447 
3448 	/*
3449 	 * In amd64 bit mode, ARPL opcode is changed to MOVSXD
3450 	 * (sign extend 32bit to 64 bit)
3451 	 */
3452 	if ((vex_prefix == 0) && cpu_mode == SIZE64 &&
3453 	    opcode1 == 0x6 && opcode2 == 0x3)
3454 		dp = (instable_t *)&dis_opMOVSLD;
3455 
3456 	/*
3457 	 * at this point we should have a correct (or invalid) opcode
3458 	 */
3459 	if (cpu_mode == SIZE64 && dp->it_invalid64 ||
3460 	    cpu_mode != SIZE64 && dp->it_invalid32)
3461 		goto error;
3462 	if (dp->it_indirect != TERM)
3463 		goto error;
3464 
3465 	/*
3466 	 * Deal with MMX/SSE opcodes which are changed by prefixes. Note, we do
3467 	 * need to include UNKNOWN below, as we may have instructions that
3468 	 * actually have a prefix, but don't exist in any other form.
3469 	 */
3470 	switch (dp->it_adrmode) {
3471 	case UNKNOWN:
3472 	case MMO:
3473 	case MMOIMPL:
3474 	case MMO3P:
3475 	case MMOM3:
3476 	case MMOMS:
3477 	case MMOPM:
3478 	case MMOPRM:
3479 	case MMOS:
3480 	case XMMO:
3481 	case XMMOM:
3482 	case XMMOMS:
3483 	case XMMOPM:
3484 	case XMMOS:
3485 	case XMMOMX:
3486 	case XMMOX3:
3487 	case XMMOXMM:
3488 		/*
3489 		 * This is horrible.  Some SIMD instructions take the
3490 		 * form 0x0F 0x?? ..., which is easily decoded using the
3491 		 * existing tables.  Other SIMD instructions use various
3492 		 * prefix bytes to overload existing instructions.  For
3493 		 * Example, addps is F0, 58, whereas addss is F3 (repz),
3494 		 * F0, 58.  Presumably someone got a raise for this.
3495 		 *
3496 		 * If we see one of the instructions which can be
3497 		 * modified in this way (if we've got one of the SIMDO*
3498 		 * address modes), we'll check to see if the last prefix
3499 		 * was a repz.  If it was, we strip the prefix from the
3500 		 * mnemonic, and we indirect using the dis_opSIMDrepz
3501 		 * table.
3502 		 */
3503 
3504 		/*
3505 		 * Calculate our offset in dis_op0F
3506 		 */
3507 		if ((uintptr_t)dp - (uintptr_t)dis_op0F > sizeof (dis_op0F))
3508 			goto error;
3509 
3510 		off = ((uintptr_t)dp - (uintptr_t)dis_op0F) /
3511 		    sizeof (instable_t);
3512 
3513 		/*
3514 		 * Rewrite if this instruction used one of the magic prefixes.
3515 		 */
3516 		if (rep_prefix) {
3517 			if (rep_prefix == 0xf2)
3518 				dp = (instable_t *)&dis_opSIMDrepnz[off];
3519 			else
3520 				dp = (instable_t *)&dis_opSIMDrepz[off];
3521 			rep_prefix = 0;
3522 		} else if (opnd_size_prefix) {
3523 			dp = (instable_t *)&dis_opSIMDdata16[off];
3524 			opnd_size_prefix = 0;
3525 			if (opnd_size == SIZE16)
3526 				opnd_size = SIZE32;
3527 		}
3528 		break;
3529 
3530 	case MG9:
3531 		/*
3532 		 * More horribleness: the group 9 (0xF0 0xC7) instructions are
3533 		 * allowed an optional prefix of 0x66 or 0xF3.  This is similar
3534 		 * to the SIMD business described above, but with a different
3535 		 * addressing mode (and an indirect table), so we deal with it
3536 		 * separately (if similarly).
3537 		 *
3538 		 * Intel further complicated this with the release of Ivy Bridge
3539 		 * where they overloaded these instructions based on the ModR/M
3540 		 * bytes. The VMX instructions have a mode of 0 since they are
3541 		 * memory instructions but rdrand instructions have a mode of
3542 		 * 0b11 (REG_ONLY) because they only operate on registers. While
3543 		 * there are different prefix formats, for now it is sufficient
3544 		 * to use a single different table.
3545 		 */
3546 
3547 		/*
3548 		 * Calculate our offset in dis_op0FC7 (the group 9 table)
3549 		 */
3550 		if ((uintptr_t)dp - (uintptr_t)dis_op0FC7 > sizeof (dis_op0FC7))
3551 			goto error;
3552 
3553 		off = ((uintptr_t)dp - (uintptr_t)dis_op0FC7) /
3554 		    sizeof (instable_t);
3555 
3556 		/*
3557 		 * If we have a mode of 0b11 then we have to rewrite this.
3558 		 */
3559 		dtrace_get_modrm(x, &mode, &reg, &r_m);
3560 		if (mode == REG_ONLY) {
3561 			dp = (instable_t *)&dis_op0FC7m3[off];
3562 			break;
3563 		}
3564 
3565 		/*
3566 		 * Rewrite if this instruction used one of the magic prefixes.
3567 		 */
3568 		if (rep_prefix) {
3569 			if (rep_prefix == 0xf3)
3570 				dp = (instable_t *)&dis_opF30FC7[off];
3571 			else
3572 				goto error;
3573 			rep_prefix = 0;
3574 		} else if (opnd_size_prefix) {
3575 			dp = (instable_t *)&dis_op660FC7[off];
3576 			opnd_size_prefix = 0;
3577 			if (opnd_size == SIZE16)
3578 				opnd_size = SIZE32;
3579 		}
3580 		break;
3581 
3582 
3583 	case MMOSH:
3584 		/*
3585 		 * As with the "normal" SIMD instructions, the MMX
3586 		 * shuffle instructions are overloaded.  These
3587 		 * instructions, however, are special in that they use
3588 		 * an extra byte, and thus an extra table.  As of this
3589 		 * writing, they only use the opnd_size prefix.
3590 		 */
3591 
3592 		/*
3593 		 * Calculate our offset in dis_op0F7123
3594 		 */
3595 		if ((uintptr_t)dp - (uintptr_t)dis_op0F7123 >
3596 		    sizeof (dis_op0F7123))
3597 			goto error;
3598 
3599 		if (opnd_size_prefix) {
3600 			off = ((uintptr_t)dp - (uintptr_t)dis_op0F7123) /
3601 			    sizeof (instable_t);
3602 			dp = (instable_t *)&dis_opSIMD7123[off];
3603 			opnd_size_prefix = 0;
3604 			if (opnd_size == SIZE16)
3605 				opnd_size = SIZE32;
3606 		}
3607 		break;
3608 	case MRw:
3609 		if (rep_prefix) {
3610 			if (rep_prefix == 0xf3) {
3611 
3612 				/*
3613 				 * Calculate our offset in dis_op0F
3614 				 */
3615 				if ((uintptr_t)dp - (uintptr_t)dis_op0F
3616 				    > sizeof (dis_op0F))
3617 					goto error;
3618 
3619 				off = ((uintptr_t)dp - (uintptr_t)dis_op0F) /
3620 				    sizeof (instable_t);
3621 
3622 				dp = (instable_t *)&dis_opSIMDrepz[off];
3623 				rep_prefix = 0;
3624 			} else {
3625 				goto error;
3626 			}
3627 		}
3628 		break;
3629 	}
3630 
3631 	/*
3632 	 * In 64 bit mode, some opcodes automatically use opnd_size == SIZE64.
3633 	 */
3634 	if (cpu_mode == SIZE64)
3635 		if (dp->it_always64 || (opnd_size == SIZE32 && dp->it_stackop))
3636 			opnd_size = SIZE64;
3637 
3638 #ifdef DIS_TEXT
3639 	/*
3640 	 * At this point most instructions can format the opcode mnemonic
3641 	 * including the prefixes.
3642 	 */
3643 	if (lock_prefix)
3644 		(void) strlcat(x->d86_mnem, "lock ", OPLEN);
3645 
3646 	if (rep_prefix == 0xf2)
3647 		(void) strlcat(x->d86_mnem, "repnz ", OPLEN);
3648 	else if (rep_prefix == 0xf3)
3649 		(void) strlcat(x->d86_mnem, "repz ", OPLEN);
3650 
3651 	if (cpu_mode == SIZE64 && addr_size_prefix)
3652 		(void) strlcat(x->d86_mnem, "addr32 ", OPLEN);
3653 
3654 	if (dp->it_adrmode != CBW &&
3655 	    dp->it_adrmode != CWD &&
3656 	    dp->it_adrmode != XMMSFNC) {
3657 		if (strcmp(dp->it_name, "INVALID") == 0)
3658 			goto error;
3659 		(void) strlcat(x->d86_mnem, dp->it_name, OPLEN);
3660 		if (dp->it_avxsuf && dp->it_suffix) {
3661 			(void) strlcat(x->d86_mnem, vex_W != 0 ? "q" : "d",
3662 			    OPLEN);
3663 		} else if (dp->it_suffix) {
3664 			char *types[] = {"", "w", "l", "q"};
3665 			if (opcode_bytes == 2 && opcode4 == 4) {
3666 				/* It's a cmovx.yy. Replace the suffix x */
3667 				for (i = 5; i < OPLEN; i++) {
3668 					if (x->d86_mnem[i] == '.')
3669 						break;
3670 				}
3671 				x->d86_mnem[i - 1] = *types[opnd_size];
3672 			} else if ((opnd_size == 2) && (opcode_bytes == 3) &&
3673 			    ((opcode6 == 1 && opcode7 == 6) ||
3674 			    (opcode6 == 2 && opcode7 == 2))) {
3675 				/*
3676 				 * To handle PINSRD and PEXTRD
3677 				 */
3678 				(void) strlcat(x->d86_mnem, "d", OPLEN);
3679 			} else {
3680 				(void) strlcat(x->d86_mnem, types[opnd_size],
3681 				    OPLEN);
3682 			}
3683 		}
3684 	}
3685 #endif
3686 
3687 	/*
3688 	 * Process operands based on the addressing modes.
3689 	 */
3690 	x->d86_mode = cpu_mode;
3691 	/*
3692 	 * In vex mode the rex_prefix has no meaning
3693 	 */
3694 	if (!vex_prefix)
3695 		x->d86_rex_prefix = rex_prefix;
3696 	x->d86_opnd_size = opnd_size;
3697 	x->d86_addr_size = addr_size;
3698 	vbit = 0;		/* initialize for mem/reg -> reg */
3699 	switch (dp->it_adrmode) {
3700 		/*
3701 		 * amd64 instruction to sign extend 32 bit reg/mem operands
3702 		 * into 64 bit register values
3703 		 */
3704 	case MOVSXZ:
3705 #ifdef DIS_TEXT
3706 		if (rex_prefix == 0)
3707 			(void) strncpy(x->d86_mnem, "movzld", OPLEN);
3708 #endif
3709 		dtrace_get_modrm(x, &mode, &reg, &r_m);
3710 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);
3711 		x->d86_opnd_size = SIZE64;
3712 		dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1);
3713 		x->d86_opnd_size = opnd_size = SIZE32;
3714 		wbit = LONG_OPND;
3715 		dtrace_get_operand(x, mode, r_m, wbit, 0);
3716 		break;
3717 
3718 		/*
3719 		 * movsbl movsbw movsbq (0x0FBE) or movswl movswq (0x0FBF)
3720 		 * movzbl movzbw movzbq (0x0FB6) or movzwl movzwq (0x0FB7)
3721 		 * wbit lives in 2nd byte, note that operands
3722 		 * are different sized
3723 		 */
3724 	case MOVZ:
3725 		if (rex_prefix & REX_W) {
3726 			/* target register size = 64 bit */
3727 			x->d86_mnem[5] = 'q';
3728 		}
3729 		dtrace_get_modrm(x, &mode, &reg, &r_m);
3730 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);
3731 		dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1);
3732 		x->d86_opnd_size = opnd_size = SIZE16;
3733 		wbit = WBIT(opcode5);
3734 		dtrace_get_operand(x, mode, r_m, wbit, 0);
3735 		break;
3736 	case CRC32:
3737 		opnd_size = SIZE32;
3738 		if (rex_prefix & REX_W)
3739 			opnd_size = SIZE64;
3740 		x->d86_opnd_size = opnd_size;
3741 
3742 		dtrace_get_modrm(x, &mode, &reg, &r_m);
3743 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);
3744 		dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1);
3745 		wbit = WBIT(opcode7);
3746 		if (opnd_size_prefix)
3747 			x->d86_opnd_size = opnd_size = SIZE16;
3748 		dtrace_get_operand(x, mode, r_m, wbit, 0);
3749 		break;
3750 	case MOVBE:
3751 		opnd_size = SIZE32;
3752 		if (rex_prefix & REX_W)
3753 			opnd_size = SIZE64;
3754 		x->d86_opnd_size = opnd_size;
3755 
3756 		dtrace_get_modrm(x, &mode, &reg, &r_m);
3757 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);
3758 		wbit = WBIT(opcode7);
3759 		if (opnd_size_prefix)
3760 			x->d86_opnd_size = opnd_size = SIZE16;
3761 		if (wbit) {
3762 			/* reg -> mem */
3763 			dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0);
3764 			dtrace_get_operand(x, mode, r_m, wbit, 1);
3765 		} else {
3766 			/* mem -> reg */
3767 			dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1);
3768 			dtrace_get_operand(x, mode, r_m, wbit, 0);
3769 		}
3770 		break;
3771 
3772 	/*
3773 	 * imul instruction, with either 8-bit or longer immediate
3774 	 * opcode 0x6B for byte, sign-extended displacement, 0x69 for word(s)
3775 	 */
3776 	case IMUL:
3777 		wbit = LONG_OPND;
3778 		THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND,
3779 		    OPSIZE(opnd_size, opcode2 == 0x9), 1);
3780 		break;
3781 
3782 	/* memory or register operand to register, with 'w' bit	*/
3783 	case MRw:
3784 	case ADX:
3785 		wbit = WBIT(opcode2);
3786 		STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0);
3787 		break;
3788 
3789 	/* register to memory or register operand, with 'w' bit	*/
3790 	/* arpl happens to fit here also because it is odd */
3791 	case RMw:
3792 		if (opcode_bytes == 2)
3793 			wbit = WBIT(opcode5);
3794 		else
3795 			wbit = WBIT(opcode2);
3796 		STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1);
3797 		break;
3798 
3799 	/* xaddb instruction */
3800 	case XADDB:
3801 		wbit = 0;
3802 		STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1);
3803 		break;
3804 
3805 	/* MMX register to memory or register operand		*/
3806 	case MMS:
3807 	case MMOS:
3808 #ifdef DIS_TEXT
3809 		wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND;
3810 #else
3811 		wbit = LONG_OPND;
3812 #endif
3813 		MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 1);
3814 		break;
3815 
3816 	/* MMX register to memory */
3817 	case MMOMS:
3818 		dtrace_get_modrm(x, &mode, &reg, &r_m);
3819 		if (mode == REG_ONLY)
3820 			goto error;
3821 		wbit = MM_OPND;
3822 		MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 1);
3823 		break;
3824 
3825 	/* Double shift. Has immediate operand specifying the shift. */
3826 	case DSHIFT:
3827 		wbit = LONG_OPND;
3828 		dtrace_get_modrm(x, &mode, &reg, &r_m);
3829 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);
3830 		dtrace_get_operand(x, mode, r_m, wbit, 2);
3831 		dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1);
3832 		dtrace_imm_opnd(x, wbit, 1, 0);
3833 		break;
3834 
3835 	/*
3836 	 * Double shift. With no immediate operand, specifies using %cl.
3837 	 */
3838 	case DSHIFTcl:
3839 		wbit = LONG_OPND;
3840 		STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1);
3841 		break;
3842 
3843 	/* immediate to memory or register operand */
3844 	case IMlw:
3845 		wbit = WBIT(opcode2);
3846 		dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
3847 		dtrace_get_operand(x, mode, r_m, wbit, 1);
3848 		/*
3849 		 * Have long immediate for opcode 0x81, but not 0x80 nor 0x83
3850 		 */
3851 		dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, opcode2 == 1), 0);
3852 		break;
3853 
3854 	/* immediate to memory or register operand with the	*/
3855 	/* 'w' bit present					*/
3856 	case IMw:
3857 		wbit = WBIT(opcode2);
3858 		dtrace_get_modrm(x, &mode, &reg, &r_m);
3859 		dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
3860 		dtrace_get_operand(x, mode, r_m, wbit, 1);
3861 		dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, wbit), 0);
3862 		break;
3863 
3864 	/* immediate to register with register in low 3 bits	*/
3865 	/* of op code						*/
3866 	case IR:
3867 		/* w-bit here (with regs) is bit 3 */
3868 		wbit = opcode2 >>3 & 0x1;
3869 		reg = REGNO(opcode2);
3870 		dtrace_rex_adjust(rex_prefix, mode, &reg, NULL);
3871 		mode = REG_ONLY;
3872 		r_m = reg;
3873 		dtrace_get_operand(x, mode, r_m, wbit, 1);
3874 		dtrace_imm_opnd(x, wbit, OPSIZE64(opnd_size, wbit), 0);
3875 		break;
3876 
3877 	/* MMX immediate shift of register */
3878 	case MMSH:
3879 	case MMOSH:
3880 		wbit = MM_OPND;
3881 		goto mm_shift;	/* in next case */
3882 
3883 	/* SIMD immediate shift of register */
3884 	case XMMSH:
3885 		wbit = XMM_OPND;
3886 mm_shift:
3887 		reg = REGNO(opcode7);
3888 		dtrace_rex_adjust(rex_prefix, mode, &reg, NULL);
3889 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
3890 		dtrace_imm_opnd(x, wbit, 1, 0);
3891 		NOMEM;
3892 		break;
3893 
3894 	/* accumulator to memory operand */
3895 	case AO:
3896 		vbit = 1;
3897 		/*FALLTHROUGH*/
3898 
3899 	/* memory operand to accumulator */
3900 	case OA:
3901 		wbit = WBIT(opcode2);
3902 		dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1 - vbit);
3903 		dtrace_imm_opnd(x, wbit, OPSIZE64(addr_size, LONG_OPND), vbit);
3904 #ifdef DIS_TEXT
3905 		x->d86_opnd[vbit].d86_mode = MODE_OFFSET;
3906 #endif
3907 		break;
3908 
3909 
3910 	/* segment register to memory or register operand */
3911 	case SM:
3912 		vbit = 1;
3913 		/*FALLTHROUGH*/
3914 
3915 	/* memory or register operand to segment register */
3916 	case MS:
3917 		dtrace_get_modrm(x, &mode, &reg, &r_m);
3918 		dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
3919 		dtrace_get_operand(x, mode, r_m, LONG_OPND, vbit);
3920 		dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 1 - vbit);
3921 		break;
3922 
3923 	/*
3924 	 * rotate or shift instructions, which may shift by 1 or
3925 	 * consult the cl register, depending on the 'v' bit
3926 	 */
3927 	case Mv:
3928 		vbit = VBIT(opcode2);
3929 		wbit = WBIT(opcode2);
3930 		dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
3931 		dtrace_get_operand(x, mode, r_m, wbit, 1);
3932 #ifdef DIS_TEXT
3933 		if (vbit) {
3934 			(void) strlcat(x->d86_opnd[0].d86_opnd, "%cl", OPLEN);
3935 		} else {
3936 			x->d86_opnd[0].d86_mode = MODE_SIGNED;
3937 			x->d86_opnd[0].d86_value_size = 1;
3938 			x->d86_opnd[0].d86_value = 1;
3939 		}
3940 #endif
3941 		break;
3942 	/*
3943 	 * immediate rotate or shift instructions
3944 	 */
3945 	case MvI:
3946 		wbit = WBIT(opcode2);
3947 normal_imm_mem:
3948 		dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
3949 		dtrace_get_operand(x, mode, r_m, wbit, 1);
3950 		dtrace_imm_opnd(x, wbit, 1, 0);
3951 		break;
3952 
3953 	/* bit test instructions */
3954 	case MIb:
3955 		wbit = LONG_OPND;
3956 		goto normal_imm_mem;
3957 
3958 	/* single memory or register operand with 'w' bit present */
3959 	case Mw:
3960 		wbit = WBIT(opcode2);
3961 just_mem:
3962 		dtrace_get_modrm(x, &mode, &reg, &r_m);
3963 		dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
3964 		dtrace_get_operand(x, mode, r_m, wbit, 0);
3965 		break;
3966 
3967 	case SWAPGS_RDTSCP:
3968 		if (cpu_mode == SIZE64 && mode == 3 && r_m == 0) {
3969 #ifdef DIS_TEXT
3970 			(void) strncpy(x->d86_mnem, "swapgs", OPLEN);
3971 #endif
3972 			NOMEM;
3973 			break;
3974 		} else if (mode == 3 && r_m == 1) {
3975 #ifdef DIS_TEXT
3976 			(void) strncpy(x->d86_mnem, "rdtscp", OPLEN);
3977 #endif
3978 			NOMEM;
3979 			break;
3980 		}
3981 
3982 		/*FALLTHROUGH*/
3983 
3984 	/* prefetch instruction - memory operand, but no memory acess */
3985 	case PREF:
3986 		NOMEM;
3987 		/*FALLTHROUGH*/
3988 
3989 	/* single memory or register operand */
3990 	case M:
3991 	case MG9:
3992 		wbit = LONG_OPND;
3993 		goto just_mem;
3994 
3995 	/* single memory or register byte operand */
3996 	case Mb:
3997 		wbit = BYTE_OPND;
3998 		goto just_mem;
3999 
4000 	case VMx:
4001 		if (mode == 3) {
4002 #ifdef DIS_TEXT
4003 			char *vminstr;
4004 
4005 			switch (r_m) {
4006 			case 1:
4007 				vminstr = "vmcall";
4008 				break;
4009 			case 2:
4010 				vminstr = "vmlaunch";
4011 				break;
4012 			case 3:
4013 				vminstr = "vmresume";
4014 				break;
4015 			case 4:
4016 				vminstr = "vmxoff";
4017 				break;
4018 			default:
4019 				goto error;
4020 			}
4021 
4022 			(void) strncpy(x->d86_mnem, vminstr, OPLEN);
4023 #else
4024 			if (r_m < 1 || r_m > 4)
4025 				goto error;
4026 #endif
4027 
4028 			NOMEM;
4029 			break;
4030 		}
4031 		/*FALLTHROUGH*/
4032 	case SVM:
4033 		if (mode == 3) {
4034 #if DIS_TEXT
4035 			char *vinstr;
4036 
4037 			switch (r_m) {
4038 			case 0:
4039 				vinstr = "vmrun";
4040 				break;
4041 			case 1:
4042 				vinstr = "vmmcall";
4043 				break;
4044 			case 2:
4045 				vinstr = "vmload";
4046 				break;
4047 			case 3:
4048 				vinstr = "vmsave";
4049 				break;
4050 			case 4:
4051 				vinstr = "stgi";
4052 				break;
4053 			case 5:
4054 				vinstr = "clgi";
4055 				break;
4056 			case 6:
4057 				vinstr = "skinit";
4058 				break;
4059 			case 7:
4060 				vinstr = "invlpga";
4061 				break;
4062 			}
4063 
4064 			(void) strncpy(x->d86_mnem, vinstr, OPLEN);
4065 #endif
4066 			NOMEM;
4067 			break;
4068 		}
4069 		/*FALLTHROUGH*/
4070 	case MONITOR_MWAIT:
4071 		if (mode == 3) {
4072 			if (r_m == 0) {
4073 #ifdef DIS_TEXT
4074 				(void) strncpy(x->d86_mnem, "monitor", OPLEN);
4075 #endif
4076 				NOMEM;
4077 				break;
4078 			} else if (r_m == 1) {
4079 #ifdef DIS_TEXT
4080 				(void) strncpy(x->d86_mnem, "mwait", OPLEN);
4081 #endif
4082 				NOMEM;
4083 				break;
4084 			} else if (r_m == 2) {
4085 #ifdef DIS_TEXT
4086 				(void) strncpy(x->d86_mnem, "clac", OPLEN);
4087 #endif
4088 				NOMEM;
4089 				break;
4090 			} else if (r_m == 3) {
4091 #ifdef DIS_TEXT
4092 				(void) strncpy(x->d86_mnem, "stac", OPLEN);
4093 #endif
4094 				NOMEM;
4095 				break;
4096 			} else {
4097 				goto error;
4098 			}
4099 		}
4100 		/*FALLTHROUGH*/
4101 	case XGETBV_XSETBV:
4102 		if (mode == 3) {
4103 			if (r_m == 0) {
4104 #ifdef DIS_TEXT
4105 				(void) strncpy(x->d86_mnem, "xgetbv", OPLEN);
4106 #endif
4107 				NOMEM;
4108 				break;
4109 			} else if (r_m == 1) {
4110 #ifdef DIS_TEXT
4111 				(void) strncpy(x->d86_mnem, "xsetbv", OPLEN);
4112 #endif
4113 				NOMEM;
4114 				break;
4115 			} else {
4116 				goto error;
4117 			}
4118 
4119 		}
4120 		/*FALLTHROUGH*/
4121 	case MO:
4122 		/* Similar to M, but only memory (no direct registers) */
4123 		wbit = LONG_OPND;
4124 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4125 		if (mode == 3)
4126 			goto error;
4127 		dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
4128 		dtrace_get_operand(x, mode, r_m, wbit, 0);
4129 		break;
4130 
4131 	/* move special register to register or reverse if vbit */
4132 	case SREG:
4133 		switch (opcode5) {
4134 
4135 		case 2:
4136 			vbit = 1;
4137 			/*FALLTHROUGH*/
4138 		case 0:
4139 			wbit = CONTROL_OPND;
4140 			break;
4141 
4142 		case 3:
4143 			vbit = 1;
4144 			/*FALLTHROUGH*/
4145 		case 1:
4146 			wbit = DEBUG_OPND;
4147 			break;
4148 
4149 		case 6:
4150 			vbit = 1;
4151 			/*FALLTHROUGH*/
4152 		case 4:
4153 			wbit = TEST_OPND;
4154 			break;
4155 
4156 		}
4157 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4158 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);
4159 		dtrace_get_operand(x, REG_ONLY, reg, wbit, vbit);
4160 		dtrace_get_operand(x, REG_ONLY, r_m, LONG_OPND, 1 - vbit);
4161 		NOMEM;
4162 		break;
4163 
4164 	/*
4165 	 * single register operand with register in the low 3
4166 	 * bits of op code
4167 	 */
4168 	case R:
4169 		if (opcode_bytes == 2)
4170 			reg = REGNO(opcode5);
4171 		else
4172 			reg = REGNO(opcode2);
4173 		dtrace_rex_adjust(rex_prefix, mode, &reg, NULL);
4174 		dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0);
4175 		NOMEM;
4176 		break;
4177 
4178 	/*
4179 	 * register to accumulator with register in the low 3
4180 	 * bits of op code, xchg instructions
4181 	 */
4182 	case RA:
4183 		NOMEM;
4184 		reg = REGNO(opcode2);
4185 		dtrace_rex_adjust(rex_prefix, mode, &reg, NULL);
4186 		dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0);
4187 		dtrace_get_operand(x, REG_ONLY, EAX_REGNO, LONG_OPND, 1);
4188 		break;
4189 
4190 	/*
4191 	 * single segment register operand, with register in
4192 	 * bits 3-4 of op code byte
4193 	 */
4194 	case SEG:
4195 		NOMEM;
4196 		reg = (x->d86_bytes[x->d86_len - 1] >> 3) & 0x3;
4197 		dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 0);
4198 		break;
4199 
4200 	/*
4201 	 * single segment register operand, with register in
4202 	 * bits 3-5 of op code
4203 	 */
4204 	case LSEG:
4205 		NOMEM;
4206 		/* long seg reg from opcode */
4207 		reg = (x->d86_bytes[x->d86_len - 1] >> 3) & 0x7;
4208 		dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 0);
4209 		break;
4210 
4211 	/* memory or register operand to register */
4212 	case MR:
4213 		if (vex_prefetch)
4214 			x->d86_got_modrm = 1;
4215 		wbit = LONG_OPND;
4216 		STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0);
4217 		break;
4218 
4219 	case RM:
4220 	case RM_66r:
4221 		wbit = LONG_OPND;
4222 		STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1);
4223 		break;
4224 
4225 	/* MMX/SIMD-Int memory or mm reg to mm reg		*/
4226 	case MM:
4227 	case MMO:
4228 #ifdef DIS_TEXT
4229 		wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND;
4230 #else
4231 		wbit = LONG_OPND;
4232 #endif
4233 		MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 0);
4234 		break;
4235 
4236 	case MMOIMPL:
4237 #ifdef DIS_TEXT
4238 		wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND;
4239 #else
4240 		wbit = LONG_OPND;
4241 #endif
4242 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4243 		if (mode != REG_ONLY)
4244 			goto error;
4245 
4246 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);
4247 		dtrace_get_operand(x, mode, r_m, wbit, 0);
4248 		dtrace_get_operand(x, REG_ONLY, reg, MM_OPND, 1);
4249 		mode = 0;	/* change for memory access size... */
4250 		break;
4251 
4252 	/* MMX/SIMD-Int and SIMD-FP predicated mm reg to r32 */
4253 	case MMO3P:
4254 		wbit = MM_OPND;
4255 		goto xmm3p;
4256 	case XMM3P:
4257 		wbit = XMM_OPND;
4258 xmm3p:
4259 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4260 		if (mode != REG_ONLY)
4261 			goto error;
4262 
4263 		THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 1,
4264 		    1);
4265 		NOMEM;
4266 		break;
4267 
4268 	case XMM3PM_66r:
4269 		THREEOPERAND(x, mode, reg, r_m, rex_prefix, LONG_OPND, XMM_OPND,
4270 		    1, 0);
4271 		break;
4272 
4273 	/* MMX/SIMD-Int predicated r32/mem to mm reg */
4274 	case MMOPRM:
4275 		wbit = LONG_OPND;
4276 		w2 = MM_OPND;
4277 		goto xmmprm;
4278 	case XMMPRM:
4279 	case XMMPRM_66r:
4280 		wbit = LONG_OPND;
4281 		w2 = XMM_OPND;
4282 xmmprm:
4283 		THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, 1, 1);
4284 		break;
4285 
4286 	/* MMX/SIMD-Int predicated mm/mem to mm reg */
4287 	case MMOPM:
4288 	case MMOPM_66o:
4289 		wbit = w2 = MM_OPND;
4290 		goto xmmprm;
4291 
4292 	/* MMX/SIMD-Int mm reg to r32 */
4293 	case MMOM3:
4294 		NOMEM;
4295 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4296 		if (mode != REG_ONLY)
4297 			goto error;
4298 		wbit = MM_OPND;
4299 		MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 0);
4300 		break;
4301 
4302 	/* SIMD memory or xmm reg operand to xmm reg		*/
4303 	case XMM:
4304 	case XMM_66o:
4305 	case XMM_66r:
4306 	case XMMO:
4307 	case XMMXIMPL:
4308 		wbit = XMM_OPND;
4309 		STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0);
4310 
4311 		if (dp->it_adrmode == XMMXIMPL && mode != REG_ONLY)
4312 			goto error;
4313 
4314 #ifdef DIS_TEXT
4315 		/*
4316 		 * movlps and movhlps share opcodes.  They differ in the
4317 		 * addressing modes allowed for their operands.
4318 		 * movhps and movlhps behave similarly.
4319 		 */
4320 		if (mode == REG_ONLY) {
4321 			if (strcmp(dp->it_name, "movlps") == 0)
4322 				(void) strncpy(x->d86_mnem, "movhlps", OPLEN);
4323 			else if (strcmp(dp->it_name, "movhps") == 0)
4324 				(void) strncpy(x->d86_mnem, "movlhps", OPLEN);
4325 		}
4326 #endif
4327 		if (dp->it_adrmode == XMMXIMPL)
4328 			mode = 0;	/* change for memory access size... */
4329 		break;
4330 
4331 	/* SIMD xmm reg to memory or xmm reg */
4332 	case XMMS:
4333 	case XMMOS:
4334 	case XMMMS:
4335 	case XMMOMS:
4336 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4337 #ifdef DIS_TEXT
4338 		if ((strcmp(dp->it_name, "movlps") == 0 ||
4339 		    strcmp(dp->it_name, "movhps") == 0 ||
4340 		    strcmp(dp->it_name, "movntps") == 0) &&
4341 		    mode == REG_ONLY)
4342 			goto error;
4343 #endif
4344 		wbit = XMM_OPND;
4345 		MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1);
4346 		break;
4347 
4348 	/* SIMD memory to xmm reg */
4349 	case XMMM:
4350 	case XMMM_66r:
4351 	case XMMOM:
4352 		wbit = XMM_OPND;
4353 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4354 #ifdef DIS_TEXT
4355 		if (mode == REG_ONLY) {
4356 			if (strcmp(dp->it_name, "movhps") == 0)
4357 				(void) strncpy(x->d86_mnem, "movlhps", OPLEN);
4358 			else
4359 				goto error;
4360 		}
4361 #endif
4362 		MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0);
4363 		break;
4364 
4365 	/* SIMD memory or r32 to xmm reg			*/
4366 	case XMM3MX:
4367 		wbit = LONG_OPND;
4368 		MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0);
4369 		break;
4370 
4371 	case XMM3MXS:
4372 		wbit = LONG_OPND;
4373 		MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1);
4374 		break;
4375 
4376 	/* SIMD memory or mm reg to xmm reg			*/
4377 	case XMMOMX:
4378 	/* SIMD mm to xmm */
4379 	case XMMMX:
4380 		wbit = MM_OPND;
4381 		MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0);
4382 		break;
4383 
4384 	/* SIMD memory or xmm reg to mm reg			*/
4385 	case XMMXMM:
4386 	case XMMOXMM:
4387 	case XMMXM:
4388 		wbit = XMM_OPND;
4389 		MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 0);
4390 		break;
4391 
4392 
4393 	/* SIMD memory or xmm reg to r32			*/
4394 	case XMMXM3:
4395 		wbit = XMM_OPND;
4396 		MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 0);
4397 		break;
4398 
4399 	/* SIMD xmm to r32					*/
4400 	case XMMX3:
4401 	case XMMOX3:
4402 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4403 		if (mode != REG_ONLY)
4404 			goto error;
4405 		dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);
4406 		dtrace_get_operand(x, mode, r_m, XMM_OPND, 0);
4407 		dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1);
4408 		NOMEM;
4409 		break;
4410 
4411 	/* SIMD predicated memory or xmm reg with/to xmm reg */
4412 	case XMMP:
4413 	case XMMP_66r:
4414 	case XMMP_66o:
4415 	case XMMOPM:
4416 		wbit = XMM_OPND;
4417 		THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1,
4418 		    1);
4419 
4420 #ifdef DIS_TEXT
4421 		/*
4422 		 * cmpps and cmpss vary their instruction name based
4423 		 * on the value of imm8.  Other XMMP instructions,
4424 		 * such as shufps, require explicit specification of
4425 		 * the predicate.
4426 		 */
4427 		if (dp->it_name[0] == 'c' &&
4428 		    dp->it_name[1] == 'm' &&
4429 		    dp->it_name[2] == 'p' &&
4430 		    strlen(dp->it_name) == 5) {
4431 			uchar_t pred = x->d86_opnd[0].d86_value & 0xff;
4432 
4433 			if (pred >= (sizeof (dis_PREDSUFFIX) / sizeof (char *)))
4434 				goto error;
4435 
4436 			(void) strncpy(x->d86_mnem, "cmp", OPLEN);
4437 			(void) strlcat(x->d86_mnem, dis_PREDSUFFIX[pred],
4438 			    OPLEN);
4439 			(void) strlcat(x->d86_mnem,
4440 			    dp->it_name + strlen(dp->it_name) - 2,
4441 			    OPLEN);
4442 			x->d86_opnd[0] = x->d86_opnd[1];
4443 			x->d86_opnd[1] = x->d86_opnd[2];
4444 			x->d86_numopnds = 2;
4445 		}
4446 
4447 		/*
4448 		 * The pclmulqdq instruction has a series of alternate names for
4449 		 * various encodings of the immediate byte. As such, if we
4450 		 * happen to find it and the immediate value matches, we'll
4451 		 * rewrite the mnemonic.
4452 		 */
4453 		if (strcmp(dp->it_name, "pclmulqdq") == 0) {
4454 			boolean_t changed = B_TRUE;
4455 			switch (x->d86_opnd[0].d86_value) {
4456 			case 0x00:
4457 				(void) strncpy(x->d86_mnem, "pclmullqlqdq",
4458 				    OPLEN);
4459 				break;
4460 			case 0x01:
4461 				(void) strncpy(x->d86_mnem, "pclmulhqlqdq",
4462 				    OPLEN);
4463 				break;
4464 			case 0x10:
4465 				(void) strncpy(x->d86_mnem, "pclmullqhqdq",
4466 				    OPLEN);
4467 				break;
4468 			case 0x11:
4469 				(void) strncpy(x->d86_mnem, "pclmulhqhqdq",
4470 				    OPLEN);
4471 				break;
4472 			default:
4473 				changed = B_FALSE;
4474 				break;
4475 			}
4476 
4477 			if (changed == B_TRUE) {
4478 				x->d86_opnd[0].d86_value_size = 0;
4479 				x->d86_opnd[0] = x->d86_opnd[1];
4480 				x->d86_opnd[1] = x->d86_opnd[2];
4481 				x->d86_numopnds = 2;
4482 			}
4483 		}
4484 #endif
4485 		break;
4486 
4487 	case XMMX2I:
4488 		FOUROPERAND(x, mode, reg, r_m, rex_prefix, XMM_OPND, XMM_OPND,
4489 		    1);
4490 		NOMEM;
4491 		break;
4492 
4493 	case XMM2I:
4494 		ONEOPERAND_TWOIMM(x, mode, reg, r_m, rex_prefix, XMM_OPND, 1);
4495 		NOMEM;
4496 		break;
4497 
4498 	/* immediate operand to accumulator */
4499 	case IA:
4500 		wbit = WBIT(opcode2);
4501 		dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1);
4502 		dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, wbit), 0);
4503 		NOMEM;
4504 		break;
4505 
4506 	/* memory or register operand to accumulator */
4507 	case MA:
4508 		wbit = WBIT(opcode2);
4509 		dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
4510 		dtrace_get_operand(x, mode, r_m, wbit, 0);
4511 		break;
4512 
4513 	/* si register to di register used to reference memory		*/
4514 	case SD:
4515 #ifdef DIS_TEXT
4516 		dtrace_check_override(x, 0);
4517 		x->d86_numopnds = 2;
4518 		if (addr_size == SIZE64) {
4519 			(void) strlcat(x->d86_opnd[0].d86_opnd, "(%rsi)",
4520 			    OPLEN);
4521 			(void) strlcat(x->d86_opnd[1].d86_opnd, "(%rdi)",
4522 			    OPLEN);
4523 		} else if (addr_size == SIZE32) {
4524 			(void) strlcat(x->d86_opnd[0].d86_opnd, "(%esi)",
4525 			    OPLEN);
4526 			(void) strlcat(x->d86_opnd[1].d86_opnd, "(%edi)",
4527 			    OPLEN);
4528 		} else {
4529 			(void) strlcat(x->d86_opnd[0].d86_opnd, "(%si)",
4530 			    OPLEN);
4531 			(void) strlcat(x->d86_opnd[1].d86_opnd, "(%di)",
4532 			    OPLEN);
4533 		}
4534 #endif
4535 		wbit = LONG_OPND;
4536 		break;
4537 
4538 	/* accumulator to di register				*/
4539 	case AD:
4540 		wbit = WBIT(opcode2);
4541 #ifdef DIS_TEXT
4542 		dtrace_check_override(x, 1);
4543 		x->d86_numopnds = 2;
4544 		dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 0);
4545 		if (addr_size == SIZE64)
4546 			(void) strlcat(x->d86_opnd[1].d86_opnd, "(%rdi)",
4547 			    OPLEN);
4548 		else if (addr_size == SIZE32)
4549 			(void) strlcat(x->d86_opnd[1].d86_opnd, "(%edi)",
4550 			    OPLEN);
4551 		else
4552 			(void) strlcat(x->d86_opnd[1].d86_opnd, "(%di)",
4553 			    OPLEN);
4554 #endif
4555 		break;
4556 
4557 	/* si register to accumulator				*/
4558 	case SA:
4559 		wbit = WBIT(opcode2);
4560 #ifdef DIS_TEXT
4561 		dtrace_check_override(x, 0);
4562 		x->d86_numopnds = 2;
4563 		if (addr_size == SIZE64)
4564 			(void) strlcat(x->d86_opnd[0].d86_opnd, "(%rsi)",
4565 			    OPLEN);
4566 		else if (addr_size == SIZE32)
4567 			(void) strlcat(x->d86_opnd[0].d86_opnd, "(%esi)",
4568 			    OPLEN);
4569 		else
4570 			(void) strlcat(x->d86_opnd[0].d86_opnd, "(%si)",
4571 			    OPLEN);
4572 		dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1);
4573 #endif
4574 		break;
4575 
4576 	/*
4577 	 * single operand, a 16/32 bit displacement
4578 	 */
4579 	case D:
4580 		wbit = LONG_OPND;
4581 		dtrace_disp_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 0);
4582 		NOMEM;
4583 		break;
4584 
4585 	/* jmp/call indirect to memory or register operand		*/
4586 	case INM:
4587 #ifdef DIS_TEXT
4588 		(void) strlcat(x->d86_opnd[0].d86_prefix, "*", OPLEN);
4589 #endif
4590 		dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
4591 		dtrace_get_operand(x, mode, r_m, LONG_OPND, 0);
4592 		wbit = LONG_OPND;
4593 		break;
4594 
4595 	/*
4596 	 * for long jumps and long calls -- a new code segment
4597 	 * register and an offset in IP -- stored in object
4598 	 * code in reverse order. Note - not valid in amd64
4599 	 */
4600 	case SO:
4601 		dtrace_check_override(x, 1);
4602 		wbit = LONG_OPND;
4603 		dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 1);
4604 #ifdef DIS_TEXT
4605 		x->d86_opnd[1].d86_mode = MODE_SIGNED;
4606 #endif
4607 		/* will now get segment operand */
4608 		dtrace_imm_opnd(x, wbit, 2, 0);
4609 		break;
4610 
4611 	/*
4612 	 * jmp/call. single operand, 8 bit displacement.
4613 	 * added to current EIP in 'compofff'
4614 	 */
4615 	case BD:
4616 		dtrace_disp_opnd(x, BYTE_OPND, 1, 0);
4617 		NOMEM;
4618 		break;
4619 
4620 	/* single 32/16 bit immediate operand			*/
4621 	case I:
4622 		wbit = LONG_OPND;
4623 		dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 0);
4624 		break;
4625 
4626 	/* single 8 bit immediate operand			*/
4627 	case Ib:
4628 		wbit = LONG_OPND;
4629 		dtrace_imm_opnd(x, wbit, 1, 0);
4630 		break;
4631 
4632 	case ENTER:
4633 		wbit = LONG_OPND;
4634 		dtrace_imm_opnd(x, wbit, 2, 0);
4635 		dtrace_imm_opnd(x, wbit, 1, 1);
4636 		switch (opnd_size) {
4637 		case SIZE64:
4638 			x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 8;
4639 			break;
4640 		case SIZE32:
4641 			x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 4;
4642 			break;
4643 		case SIZE16:
4644 			x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 2;
4645 			break;
4646 		}
4647 
4648 		break;
4649 
4650 	/* 16-bit immediate operand */
4651 	case RET:
4652 		wbit = LONG_OPND;
4653 		dtrace_imm_opnd(x, wbit, 2, 0);
4654 		break;
4655 
4656 	/* single 8 bit port operand				*/
4657 	case P:
4658 		dtrace_check_override(x, 0);
4659 		dtrace_imm_opnd(x, BYTE_OPND, 1, 0);
4660 		NOMEM;
4661 		break;
4662 
4663 	/* single operand, dx register (variable port instruction) */
4664 	case V:
4665 		x->d86_numopnds = 1;
4666 		dtrace_check_override(x, 0);
4667 #ifdef DIS_TEXT
4668 		(void) strlcat(x->d86_opnd[0].d86_opnd, "(%dx)", OPLEN);
4669 #endif
4670 		NOMEM;
4671 		break;
4672 
4673 	/*
4674 	 * The int instruction, which has two forms:
4675 	 * int 3 (breakpoint) or
4676 	 * int n, where n is indicated in the subsequent
4677 	 * byte (format Ib).  The int 3 instruction (opcode 0xCC),
4678 	 * where, although the 3 looks  like an operand,
4679 	 * it is implied by the opcode. It must be converted
4680 	 * to the correct base and output.
4681 	 */
4682 	case INT3:
4683 #ifdef DIS_TEXT
4684 		x->d86_numopnds = 1;
4685 		x->d86_opnd[0].d86_mode = MODE_SIGNED;
4686 		x->d86_opnd[0].d86_value_size = 1;
4687 		x->d86_opnd[0].d86_value = 3;
4688 #endif
4689 		NOMEM;
4690 		break;
4691 
4692 	/* single 8 bit immediate operand			*/
4693 	case INTx:
4694 		dtrace_imm_opnd(x, BYTE_OPND, 1, 0);
4695 		NOMEM;
4696 		break;
4697 
4698 	/* an unused byte must be discarded */
4699 	case U:
4700 		if (x->d86_get_byte(x->d86_data) < 0)
4701 			goto error;
4702 		x->d86_len++;
4703 		NOMEM;
4704 		break;
4705 
4706 	case CBW:
4707 #ifdef DIS_TEXT
4708 		if (opnd_size == SIZE16)
4709 			(void) strlcat(x->d86_mnem, "cbtw", OPLEN);
4710 		else if (opnd_size == SIZE32)
4711 			(void) strlcat(x->d86_mnem, "cwtl", OPLEN);
4712 		else
4713 			(void) strlcat(x->d86_mnem, "cltq", OPLEN);
4714 #endif
4715 		wbit = LONG_OPND;
4716 		NOMEM;
4717 		break;
4718 
4719 	case CWD:
4720 #ifdef DIS_TEXT
4721 		if (opnd_size == SIZE16)
4722 			(void) strlcat(x->d86_mnem, "cwtd", OPLEN);
4723 		else if (opnd_size == SIZE32)
4724 			(void) strlcat(x->d86_mnem, "cltd", OPLEN);
4725 		else
4726 			(void) strlcat(x->d86_mnem, "cqtd", OPLEN);
4727 #endif
4728 		wbit = LONG_OPND;
4729 		NOMEM;
4730 		break;
4731 
4732 	case XMMSFNC:
4733 		/*
4734 		 * sfence is sfence if mode is REG_ONLY.  If mode isn't
4735 		 * REG_ONLY, mnemonic should be 'clflush'.
4736 		 */
4737 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4738 
4739 		/* sfence doesn't take operands */
4740 #ifdef DIS_TEXT
4741 		if (mode == REG_ONLY) {
4742 			(void) strlcat(x->d86_mnem, "sfence", OPLEN);
4743 		} else {
4744 			(void) strlcat(x->d86_mnem, "clflush", OPLEN);
4745 			dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);
4746 			dtrace_get_operand(x, mode, r_m, BYTE_OPND, 0);
4747 			NOMEM;
4748 		}
4749 #else
4750 		if (mode != REG_ONLY) {
4751 			dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);
4752 			dtrace_get_operand(x, mode, r_m, LONG_OPND, 0);
4753 			NOMEM;
4754 		}
4755 #endif
4756 		break;
4757 
4758 	/*
4759 	 * no disassembly, the mnemonic was all there was so go on
4760 	 */
4761 	case NORM:
4762 		if (dp->it_invalid32 && cpu_mode != SIZE64)
4763 			goto error;
4764 		NOMEM;
4765 		/*FALLTHROUGH*/
4766 	case IMPLMEM:
4767 		break;
4768 
4769 	case XMMFENCE:
4770 		/*
4771 		 * XRSTOR and LFENCE share the same opcode but differ in mode
4772 		 */
4773 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4774 
4775 		if (mode == REG_ONLY) {
4776 			/*
4777 			 * Only the following exact byte sequences are allowed:
4778 			 *
4779 			 * 	0f ae e8	lfence
4780 			 * 	0f ae f0	mfence
4781 			 */
4782 			if ((uint8_t)x->d86_bytes[x->d86_len - 1] != 0xe8 &&
4783 			    (uint8_t)x->d86_bytes[x->d86_len - 1] != 0xf0)
4784 				goto error;
4785 		} else {
4786 #ifdef DIS_TEXT
4787 			(void) strncpy(x->d86_mnem, "xrstor", OPLEN);
4788 #endif
4789 			dtrace_rex_adjust(rex_prefix, mode, &reg, &r_m);
4790 			dtrace_get_operand(x, mode, r_m, BYTE_OPND, 0);
4791 		}
4792 		break;
4793 
4794 	/* float reg */
4795 	case F:
4796 #ifdef DIS_TEXT
4797 		x->d86_numopnds = 1;
4798 		(void) strlcat(x->d86_opnd[0].d86_opnd, "%st(X)", OPLEN);
4799 		x->d86_opnd[0].d86_opnd[4] = r_m + '0';
4800 #endif
4801 		NOMEM;
4802 		break;
4803 
4804 	/* float reg to float reg, with ret bit present */
4805 	case FF:
4806 		vbit = opcode2 >> 2 & 0x1;	/* vbit = 1: st -> st(i) */
4807 		/*FALLTHROUGH*/
4808 	case FFC:				/* case for vbit always = 0 */
4809 #ifdef DIS_TEXT
4810 		x->d86_numopnds = 2;
4811 		(void) strlcat(x->d86_opnd[1 - vbit].d86_opnd, "%st", OPLEN);
4812 		(void) strlcat(x->d86_opnd[vbit].d86_opnd, "%st(X)", OPLEN);
4813 		x->d86_opnd[vbit].d86_opnd[4] = r_m + '0';
4814 #endif
4815 		NOMEM;
4816 		break;
4817 
4818 	/* AVX instructions */
4819 	case VEX_MO:
4820 		/* op(ModR/M.r/m) */
4821 		x->d86_numopnds = 1;
4822 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4823 #ifdef DIS_TEXT
4824 		if ((dp == &dis_opAVX0F[0xA][0xE]) && (reg == 3))
4825 			(void) strncpy(x->d86_mnem, "vstmxcsr", OPLEN);
4826 #endif
4827 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
4828 		dtrace_get_operand(x, mode, r_m, wbit, 0);
4829 		break;
4830 	case VEX_RMrX:
4831 	case FMA:
4832 		/* ModR/M.reg := op(VEX.vvvv, ModR/M.r/m) */
4833 		x->d86_numopnds = 3;
4834 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4835 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
4836 
4837 		/*
4838 		 * In classic Intel fashion, the opcodes for all of the FMA
4839 		 * instructions all have two possible mnemonics which vary by
4840 		 * one letter, which is selected based on the value of the wbit.
4841 		 * When wbit is one, they have the 'd' suffix and when 'wbit' is
4842 		 * 0, they have the 's' suffix. Otherwise, the FMA instructions
4843 		 * are all a standard VEX_RMrX.
4844 		 */
4845 #ifdef DIS_TEXT
4846 		if (dp->it_adrmode == FMA) {
4847 			size_t len = strlen(dp->it_name);
4848 			(void) strncpy(x->d86_mnem, dp->it_name, OPLEN);
4849 			if (len + 1 < OPLEN) {
4850 				(void) strncpy(x->d86_mnem + len,
4851 				    vex_W != 0 ? "d" : "s", OPLEN - len);
4852 			}
4853 		}
4854 #endif
4855 
4856 		if (mode != REG_ONLY) {
4857 			if ((dp == &dis_opAVXF20F[0x10]) ||
4858 			    (dp == &dis_opAVXF30F[0x10])) {
4859 				/* vmovsd <m64>, <xmm> */
4860 				/* or vmovss <m64>, <xmm> */
4861 				x->d86_numopnds = 2;
4862 				goto L_VEX_MX;
4863 			}
4864 		}
4865 
4866 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 2);
4867 		/*
4868 		 * VEX prefix uses the 1's complement form to encode the
4869 		 * XMM/YMM regs
4870 		 */
4871 		dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1);
4872 
4873 		if ((dp == &dis_opAVXF20F[0x2A]) ||
4874 		    (dp == &dis_opAVXF30F[0x2A])) {
4875 			/*
4876 			 * vcvtsi2si </r,m>, <xmm>, <xmm> or vcvtsi2ss </r,m>,
4877 			 * <xmm>, <xmm>
4878 			 */
4879 			wbit = LONG_OPND;
4880 		}
4881 #ifdef DIS_TEXT
4882 		else if ((mode == REG_ONLY) &&
4883 		    (dp == &dis_opAVX0F[0x1][0x6])) {	/* vmovlhps */
4884 			(void) strncpy(x->d86_mnem, "vmovlhps", OPLEN);
4885 		} else if ((mode == REG_ONLY) &&
4886 		    (dp == &dis_opAVX0F[0x1][0x2])) {	/* vmovhlps */
4887 			(void) strncpy(x->d86_mnem, "vmovhlps", OPLEN);
4888 		}
4889 #endif
4890 		dtrace_get_operand(x, mode, r_m, wbit, 0);
4891 
4892 		break;
4893 
4894 	case VEX_VRMrX:
4895 		/* ModR/M.reg := op(MODR/M.r/m, VEX.vvvv) */
4896 		x->d86_numopnds = 3;
4897 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4898 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
4899 
4900 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 2);
4901 		/*
4902 		 * VEX prefix uses the 1's complement form to encode the
4903 		 * XMM/YMM regs
4904 		 */
4905 		dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 0);
4906 
4907 		dtrace_get_operand(x, mode, r_m, wbit, 1);
4908 		break;
4909 
4910 	case VEX_SbVM:
4911 		/* ModR/M.reg := op(MODR/M.r/m, VSIB, VEX.vvvv) */
4912 		x->d86_numopnds = 3;
4913 		x->d86_vsib = 1;
4914 
4915 		/*
4916 		 * All instructions that use VSIB are currently a mess. See the
4917 		 * comment around the dis_gather_regs_t structure definition.
4918 		 */
4919 
4920 		vreg = &dis_vgather[opcode2][vex_W][vex_L];
4921 
4922 #ifdef DIS_TEXT
4923 		(void) strncpy(x->d86_mnem, dp->it_name, OPLEN);
4924 		(void) strlcat(x->d86_mnem + strlen(dp->it_name),
4925 		    vreg->dgr_suffix, OPLEN - strlen(dp->it_name));
4926 #endif
4927 
4928 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4929 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
4930 
4931 		dtrace_get_operand(x, REG_ONLY, reg, vreg->dgr_arg2, 2);
4932 		/*
4933 		 * VEX prefix uses the 1's complement form to encode the
4934 		 * XMM/YMM regs
4935 		 */
4936 		dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), vreg->dgr_arg0,
4937 		    0);
4938 		dtrace_get_operand(x, mode, r_m, vreg->dgr_arg1, 1);
4939 		break;
4940 
4941 	case VEX_RRX:
4942 		/* ModR/M.rm := op(VEX.vvvv, ModR/M.reg) */
4943 		x->d86_numopnds = 3;
4944 
4945 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4946 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
4947 
4948 		if (mode != REG_ONLY) {
4949 			if ((dp == &dis_opAVXF20F[0x11]) ||
4950 			    (dp == &dis_opAVXF30F[0x11])) {
4951 				/* vmovsd <xmm>, <m64> */
4952 				/* or vmovss <xmm>, <m64> */
4953 				x->d86_numopnds = 2;
4954 				goto L_VEX_RM;
4955 			}
4956 		}
4957 
4958 		dtrace_get_operand(x, mode, r_m, wbit, 2);
4959 		dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1);
4960 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 0);
4961 		break;
4962 
4963 	case VEX_RMRX:
4964 		/* ModR/M.reg := op(VEX.vvvv, ModR/M.r_m, imm8[7:4]) */
4965 		x->d86_numopnds = 4;
4966 
4967 		dtrace_get_modrm(x, &mode, &reg, &r_m);
4968 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
4969 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 3);
4970 		dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 2);
4971 		if (dp == &dis_opAVX660F3A[0x18]) {
4972 			/* vinsertf128 <imm8>, <xmm>, <ymm>, <ymm> */
4973 			dtrace_get_operand(x, mode, r_m, XMM_OPND, 1);
4974 		} else if ((dp == &dis_opAVX660F3A[0x20]) ||
4975 		    (dp == & dis_opAVX660F[0xC4])) {
4976 			/* vpinsrb <imm8>, <reg/mm>, <xmm>, <xmm> */
4977 			/* or vpinsrw <imm8>, <reg/mm>, <xmm>, <xmm> */
4978 			dtrace_get_operand(x, mode, r_m, LONG_OPND, 1);
4979 		} else if (dp == &dis_opAVX660F3A[0x22]) {
4980 			/* vpinsrd/q <imm8>, <reg/mm>, <xmm>, <xmm> */
4981 #ifdef DIS_TEXT
4982 			if (vex_W)
4983 				x->d86_mnem[6] = 'q';
4984 #endif
4985 			dtrace_get_operand(x, mode, r_m, LONG_OPND, 1);
4986 		} else {
4987 			dtrace_get_operand(x, mode, r_m, wbit, 1);
4988 		}
4989 
4990 		/* one byte immediate number */
4991 		dtrace_imm_opnd(x, wbit, 1, 0);
4992 
4993 		/* vblendvpd, vblendvps, vblendvb use the imm encode the regs */
4994 		if ((dp == &dis_opAVX660F3A[0x4A]) ||
4995 		    (dp == &dis_opAVX660F3A[0x4B]) ||
4996 		    (dp == &dis_opAVX660F3A[0x4C])) {
4997 #ifdef DIS_TEXT
4998 			int regnum = (x->d86_opnd[0].d86_value & 0xF0) >> 4;
4999 #endif
5000 			x->d86_opnd[0].d86_mode = MODE_NONE;
5001 #ifdef DIS_TEXT
5002 			if (vex_L)
5003 				(void) strncpy(x->d86_opnd[0].d86_opnd,
5004 				    dis_YMMREG[regnum], OPLEN);
5005 			else
5006 				(void) strncpy(x->d86_opnd[0].d86_opnd,
5007 				    dis_XMMREG[regnum], OPLEN);
5008 #endif
5009 		}
5010 		break;
5011 
5012 	case VEX_MX:
5013 		/* ModR/M.reg := op(ModR/M.rm) */
5014 		x->d86_numopnds = 2;
5015 
5016 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5017 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5018 L_VEX_MX:
5019 
5020 		if ((dp == &dis_opAVXF20F[0xE6]) ||
5021 		    (dp == &dis_opAVX660F[0x5A]) ||
5022 		    (dp == &dis_opAVX660F[0xE6])) {
5023 			/* vcvtpd2dq <ymm>, <xmm> */
5024 			/* or vcvtpd2ps <ymm>, <xmm> */
5025 			/* or vcvttpd2dq <ymm>, <xmm> */
5026 			dtrace_get_operand(x, REG_ONLY, reg, XMM_OPND, 1);
5027 			dtrace_get_operand(x, mode, r_m, wbit, 0);
5028 		} else if ((dp == &dis_opAVXF30F[0xE6]) ||
5029 		    (dp == &dis_opAVX0F[0x5][0xA]) ||
5030 		    (dp == &dis_opAVX660F38[0x13]) ||
5031 		    (dp == &dis_opAVX660F38[0x18]) ||
5032 		    (dp == &dis_opAVX660F38[0x19]) ||
5033 		    (dp == &dis_opAVX660F38[0x58]) ||
5034 		    (dp == &dis_opAVX660F38[0x78]) ||
5035 		    (dp == &dis_opAVX660F38[0x79]) ||
5036 		    (dp == &dis_opAVX660F38[0x59])) {
5037 			/* vcvtdq2pd <xmm>, <ymm> */
5038 			/* or vcvtps2pd <xmm>, <ymm> */
5039 			/* or vcvtph2ps <xmm>, <ymm> */
5040 			/* or vbroadcasts* <xmm>, <ymm> */
5041 			dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5042 			dtrace_get_operand(x, mode, r_m, XMM_OPND, 0);
5043 		} else if (dp == &dis_opAVX660F[0x6E]) {
5044 			/* vmovd/q <reg/mem 32/64>, <xmm> */
5045 #ifdef DIS_TEXT
5046 			if (vex_W)
5047 				x->d86_mnem[4] = 'q';
5048 #endif
5049 			dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5050 			dtrace_get_operand(x, mode, r_m, LONG_OPND, 0);
5051 		} else {
5052 			dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5053 			dtrace_get_operand(x, mode, r_m, wbit, 0);
5054 		}
5055 
5056 		break;
5057 
5058 	case VEX_MXI:
5059 		/* ModR/M.reg := op(ModR/M.rm, imm8) */
5060 		x->d86_numopnds = 3;
5061 
5062 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5063 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5064 
5065 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 2);
5066 		dtrace_get_operand(x, mode, r_m, wbit, 1);
5067 
5068 		/* one byte immediate number */
5069 		dtrace_imm_opnd(x, wbit, 1, 0);
5070 		break;
5071 
5072 	case VEX_XXI:
5073 		/* VEX.vvvv := op(ModR/M.rm, imm8) */
5074 		x->d86_numopnds = 3;
5075 
5076 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5077 #ifdef DIS_TEXT
5078 		(void) strncpy(x->d86_mnem, dis_AVXvgrp7[opcode2 - 1][reg],
5079 		    OPLEN);
5080 #endif
5081 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5082 
5083 		dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 2);
5084 		dtrace_get_operand(x, REG_ONLY, r_m, wbit, 1);
5085 
5086 		/* one byte immediate number */
5087 		dtrace_imm_opnd(x, wbit, 1, 0);
5088 		break;
5089 
5090 	case VEX_MR:
5091 		/* ModR/M.reg (reg32/64) := op(ModR/M.rm) */
5092 		if (dp == &dis_opAVX660F[0xC5]) {
5093 			/* vpextrw <imm8>, <xmm>, <reg> */
5094 			x->d86_numopnds = 2;
5095 			vbit = 2;
5096 		} else {
5097 			x->d86_numopnds = 2;
5098 			vbit = 1;
5099 		}
5100 
5101 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5102 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5103 		dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, vbit);
5104 		dtrace_get_operand(x, mode, r_m, wbit, vbit - 1);
5105 
5106 		if (vbit == 2)
5107 			dtrace_imm_opnd(x, wbit, 1, 0);
5108 
5109 		break;
5110 
5111 	case VEX_RRI:
5112 		/* implicit(eflags/r32) := op(ModR/M.reg, ModR/M.rm) */
5113 		x->d86_numopnds = 2;
5114 
5115 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5116 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5117 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5118 		dtrace_get_operand(x, mode, r_m, wbit, 0);
5119 		break;
5120 
5121 	case VEX_RX:
5122 		/* ModR/M.rm := op(ModR/M.reg) */
5123 		/* vextractf128 || vcvtps2ph */
5124 		if (dp == &dis_opAVX660F3A[0x19] ||
5125 		    dp == &dis_opAVX660F3A[0x1d]) {
5126 			x->d86_numopnds = 3;
5127 
5128 			dtrace_get_modrm(x, &mode, &reg, &r_m);
5129 			dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5130 
5131 			dtrace_get_operand(x, mode, r_m, XMM_OPND, 2);
5132 			dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5133 
5134 			/* one byte immediate number */
5135 			dtrace_imm_opnd(x, wbit, 1, 0);
5136 			break;
5137 		}
5138 
5139 		x->d86_numopnds = 2;
5140 
5141 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5142 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5143 		dtrace_get_operand(x, mode, r_m, wbit, 1);
5144 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 0);
5145 		break;
5146 
5147 	case VEX_RR:
5148 		/* ModR/M.rm := op(ModR/M.reg) */
5149 		x->d86_numopnds = 2;
5150 
5151 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5152 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5153 
5154 		if (dp == &dis_opAVX660F[0x7E]) {
5155 			/* vmovd/q <reg/mem 32/64>, <xmm> */
5156 #ifdef DIS_TEXT
5157 			if (vex_W)
5158 				x->d86_mnem[4] = 'q';
5159 #endif
5160 			dtrace_get_operand(x, mode, r_m, LONG_OPND, 1);
5161 		} else
5162 			dtrace_get_operand(x, mode, r_m, wbit, 1);
5163 
5164 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 0);
5165 		break;
5166 
5167 	case VEX_RRi:
5168 		/* ModR/M.rm := op(ModR/M.reg, imm) */
5169 		x->d86_numopnds = 3;
5170 
5171 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5172 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5173 
5174 #ifdef DIS_TEXT
5175 		if (dp == &dis_opAVX660F3A[0x16]) {
5176 			/* vpextrd/q <imm>, <xmm>, <reg/mem 32/64> */
5177 			if (vex_W)
5178 				x->d86_mnem[6] = 'q';
5179 		}
5180 #endif
5181 		dtrace_get_operand(x, mode, r_m, LONG_OPND, 2);
5182 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5183 
5184 		/* one byte immediate number */
5185 		dtrace_imm_opnd(x, wbit, 1, 0);
5186 		break;
5187 	case VEX_RIM:
5188 		/* ModR/M.rm := op(ModR/M.reg, imm) */
5189 		x->d86_numopnds = 3;
5190 
5191 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5192 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5193 
5194 		dtrace_get_operand(x, mode, r_m, XMM_OPND, 2);
5195 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5196 		/* one byte immediate number */
5197 		dtrace_imm_opnd(x, wbit, 1, 0);
5198 		break;
5199 
5200 	case VEX_RM:
5201 		/* ModR/M.rm := op(ModR/M.reg) */
5202 		if (dp == &dis_opAVX660F3A[0x17]) {	/* vextractps */
5203 			x->d86_numopnds = 3;
5204 
5205 			dtrace_get_modrm(x, &mode, &reg, &r_m);
5206 			dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5207 
5208 			dtrace_get_operand(x, mode, r_m, LONG_OPND, 2);
5209 			dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5210 			/* one byte immediate number */
5211 			dtrace_imm_opnd(x, wbit, 1, 0);
5212 			break;
5213 		}
5214 		x->d86_numopnds = 2;
5215 
5216 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5217 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5218 L_VEX_RM:
5219 		vbit = 1;
5220 		dtrace_get_operand(x, mode, r_m, wbit, vbit);
5221 		dtrace_get_operand(x, REG_ONLY, reg, wbit, vbit - 1);
5222 
5223 		break;
5224 
5225 	case VEX_RRM:
5226 		/* ModR/M.rm := op(VEX.vvvv, ModR/M.reg) */
5227 		x->d86_numopnds = 3;
5228 
5229 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5230 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5231 		dtrace_get_operand(x, mode, r_m, wbit, 2);
5232 		/* VEX use the 1's complement form encode the XMM/YMM regs */
5233 		dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1);
5234 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 0);
5235 		break;
5236 
5237 	case VEX_RMX:
5238 		/* ModR/M.reg := op(VEX.vvvv, ModR/M.rm) */
5239 		x->d86_numopnds = 3;
5240 
5241 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5242 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5243 		dtrace_get_operand(x, REG_ONLY, reg, wbit, 2);
5244 		dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1);
5245 		dtrace_get_operand(x, REG_ONLY, r_m, wbit, 0);
5246 		break;
5247 
5248 	case VEX_NONE:
5249 #ifdef DIS_TEXT
5250 		if (vex_L)
5251 			(void) strncpy(x->d86_mnem, "vzeroall", OPLEN);
5252 #endif
5253 		break;
5254 	case BLS: {
5255 
5256 		/*
5257 		 * The BLS instructions are VEX instructions that are based on
5258 		 * VEX.0F38.F3; however, they are considered special group 17
5259 		 * and like everything else, they use the bits in 3-5 of the
5260 		 * MOD R/M to determine the sub instruction. Unlike many others
5261 		 * like the VMX instructions, these are valid both for memory
5262 		 * and register forms.
5263 		 */
5264 
5265 		dtrace_get_modrm(x, &mode, &reg, &r_m);
5266 		dtrace_vex_adjust(vex_byte1, mode, &reg, &r_m);
5267 
5268 		switch (reg) {
5269 		case 1:
5270 #ifdef	DIS_TEXT
5271 			blsinstr = "blsr";
5272 #endif
5273 			break;
5274 		case 2:
5275 #ifdef	DIS_TEXT
5276 			blsinstr = "blsmsk";
5277 #endif
5278 			break;
5279 		case 3:
5280 #ifdef	DIS_TEXT
5281 			blsinstr = "blsi";
5282 #endif
5283 			break;
5284 		default:
5285 			goto error;
5286 		}
5287 
5288 		x->d86_numopnds = 2;
5289 #ifdef DIS_TEXT
5290 		(void) strncpy(x->d86_mnem, blsinstr, OPLEN);
5291 #endif
5292 		dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1);
5293 		dtrace_get_operand(x, mode, r_m, wbit, 0);
5294 		break;
5295 	}
5296 	/* an invalid op code */
5297 	case AM:
5298 	case DM:
5299 	case OVERRIDE:
5300 	case PREFIX:
5301 	case UNKNOWN:
5302 		NOMEM;
5303 	default:
5304 		goto error;
5305 	} /* end switch */
5306 	if (x->d86_error)
5307 		goto error;
5308 
5309 done:
5310 #ifdef DIS_MEM
5311 	/*
5312 	 * compute the size of any memory accessed by the instruction
5313 	 */
5314 	if (x->d86_memsize != 0) {
5315 		return (0);
5316 	} else if (dp->it_stackop) {
5317 		switch (opnd_size) {
5318 		case SIZE16:
5319 			x->d86_memsize = 2;
5320 			break;
5321 		case SIZE32:
5322 			x->d86_memsize = 4;
5323 			break;
5324 		case SIZE64:
5325 			x->d86_memsize = 8;
5326 			break;
5327 		}
5328 	} else if (nomem || mode == REG_ONLY) {
5329 		x->d86_memsize = 0;
5330 
5331 	} else if (dp->it_size != 0) {
5332 		/*
5333 		 * In 64 bit mode descriptor table entries
5334 		 * go up to 10 bytes and popf/pushf are always 8 bytes
5335 		 */
5336 		if (x->d86_mode == SIZE64 && dp->it_size == 6)
5337 			x->d86_memsize = 10;
5338 		else if (x->d86_mode == SIZE64 && opcode1 == 0x9 &&
5339 		    (opcode2 == 0xc || opcode2 == 0xd))
5340 			x->d86_memsize = 8;
5341 		else
5342 			x->d86_memsize = dp->it_size;
5343 
5344 	} else if (wbit == 0) {
5345 		x->d86_memsize = 1;
5346 
5347 	} else if (wbit == LONG_OPND) {
5348 		if (opnd_size == SIZE64)
5349 			x->d86_memsize = 8;
5350 		else if (opnd_size == SIZE32)
5351 			x->d86_memsize = 4;
5352 		else
5353 			x->d86_memsize = 2;
5354 
5355 	} else if (wbit == SEG_OPND) {
5356 		x->d86_memsize = 4;
5357 
5358 	} else {
5359 		x->d86_memsize = 8;
5360 	}
5361 #endif
5362 	return (0);
5363 
5364 error:
5365 #ifdef DIS_TEXT
5366 	(void) strlcat(x->d86_mnem, "undef", OPLEN);
5367 #endif
5368 	return (1);
5369 }
5370 
5371 #ifdef DIS_TEXT
5372 
5373 /*
5374  * Some instructions should have immediate operands printed
5375  * as unsigned integers. We compare against this table.
5376  */
5377 static char *unsigned_ops[] = {
5378 	"or", "and", "xor", "test", "in", "out", "lcall", "ljmp",
5379 	"rcr", "rcl", "ror", "rol", "shl", "shr", "sal", "psr", "psl",
5380 	0
5381 };
5382 
5383 
5384 static int
5385 isunsigned_op(char *opcode)
5386 {
5387 	char *where;
5388 	int i;
5389 	int is_unsigned = 0;
5390 
5391 	/*
5392 	 * Work back to start of last mnemonic, since we may have
5393 	 * prefixes on some opcodes.
5394 	 */
5395 	where = opcode + strlen(opcode) - 1;
5396 	while (where > opcode && *where != ' ')
5397 		--where;
5398 	if (*where == ' ')
5399 		++where;
5400 
5401 	for (i = 0; unsigned_ops[i]; ++i) {
5402 		if (strncmp(where, unsigned_ops[i],
5403 		    strlen(unsigned_ops[i])))
5404 			continue;
5405 		is_unsigned = 1;
5406 		break;
5407 	}
5408 	return (is_unsigned);
5409 }
5410 
5411 /*
5412  * Print a numeric immediate into end of buf, maximum length buflen.
5413  * The immediate may be an address or a displacement.  Mask is set
5414  * for address size.  If the immediate is a "small negative", or
5415  * if it's a negative displacement of any magnitude, print as -<absval>.
5416  * Respect the "octal" flag.  "Small negative" is defined as "in the
5417  * interval [NEG_LIMIT, 0)".
5418  *
5419  * Also, "isunsigned_op()" instructions never print negatives.
5420  *
5421  * Return whether we decided to print a negative value or not.
5422  */
5423 
5424 #define	NEG_LIMIT	-255
5425 enum {IMM, DISP};
5426 enum {POS, TRY_NEG};
5427 
5428 static int
5429 print_imm(dis86_t *dis, uint64_t usv, uint64_t mask, char *buf,
5430     size_t buflen, int disp, int try_neg)
5431 {
5432 	int curlen;
5433 	int64_t sv = (int64_t)usv;
5434 	int octal = dis->d86_flags & DIS_F_OCTAL;
5435 
5436 	curlen = strlen(buf);
5437 
5438 	if (try_neg == TRY_NEG && sv < 0 &&
5439 	    (disp || sv >= NEG_LIMIT) &&
5440 	    !isunsigned_op(dis->d86_mnem)) {
5441 		dis->d86_sprintf_func(buf + curlen, buflen - curlen,
5442 		    octal ? "-0%llo" : "-0x%llx", (-sv) & mask);
5443 		return (1);
5444 	} else {
5445 		if (disp == DISP)
5446 			dis->d86_sprintf_func(buf + curlen, buflen - curlen,
5447 			    octal ? "+0%llo" : "+0x%llx", usv & mask);
5448 		else
5449 			dis->d86_sprintf_func(buf + curlen, buflen - curlen,
5450 			    octal ? "0%llo" : "0x%llx", usv & mask);
5451 		return (0);
5452 
5453 	}
5454 }
5455 
5456 
5457 static int
5458 log2(int size)
5459 {
5460 	switch (size) {
5461 	case 1: return (0);
5462 	case 2: return (1);
5463 	case 4: return (2);
5464 	case 8: return (3);
5465 	}
5466 	return (0);
5467 }
5468 
5469 /* ARGSUSED */
5470 void
5471 dtrace_disx86_str(dis86_t *dis, uint_t mode, uint64_t pc, char *buf,
5472     size_t buflen)
5473 {
5474 	uint64_t reltgt = 0;
5475 	uint64_t tgt = 0;
5476 	int curlen;
5477 	int (*lookup)(void *, uint64_t, char *, size_t);
5478 	int i;
5479 	int64_t sv;
5480 	uint64_t usv, mask, save_mask, save_usv;
5481 	static uint64_t masks[] =
5482 	    {0xffU, 0xffffU, 0xffffffffU, 0xffffffffffffffffULL};
5483 	save_usv = 0;
5484 
5485 	dis->d86_sprintf_func(buf, buflen, "%-6s ", dis->d86_mnem);
5486 
5487 	/*
5488 	 * For PC-relative jumps, the pc is really the next pc after executing
5489 	 * this instruction, so increment it appropriately.
5490 	 */
5491 	pc += dis->d86_len;
5492 
5493 	for (i = 0; i < dis->d86_numopnds; i++) {
5494 		d86opnd_t *op = &dis->d86_opnd[i];
5495 
5496 		if (i != 0)
5497 			(void) strlcat(buf, ",", buflen);
5498 
5499 		(void) strlcat(buf, op->d86_prefix, buflen);
5500 
5501 		/*
5502 		 * sv is for the signed, possibly-truncated immediate or
5503 		 * displacement; usv retains the original size and
5504 		 * unsignedness for symbol lookup.
5505 		 */
5506 
5507 		sv = usv = op->d86_value;
5508 
5509 		/*
5510 		 * About masks: for immediates that represent
5511 		 * addresses, the appropriate display size is
5512 		 * the effective address size of the instruction.
5513 		 * This includes MODE_OFFSET, MODE_IPREL, and
5514 		 * MODE_RIPREL.  Immediates that are simply
5515 		 * immediate values should display in the operand's
5516 		 * size, however, since they don't represent addresses.
5517 		 */
5518 
5519 		/* d86_addr_size is SIZEnn, which is log2(real size) */
5520 		mask = masks[dis->d86_addr_size];
5521 
5522 		/* d86_value_size and d86_imm_bytes are in bytes */
5523 		if (op->d86_mode == MODE_SIGNED ||
5524 		    op->d86_mode == MODE_IMPLIED)
5525 			mask = masks[log2(op->d86_value_size)];
5526 
5527 		switch (op->d86_mode) {
5528 
5529 		case MODE_NONE:
5530 
5531 			(void) strlcat(buf, op->d86_opnd, buflen);
5532 			break;
5533 
5534 		case MODE_SIGNED:
5535 		case MODE_IMPLIED:
5536 		case MODE_OFFSET:
5537 
5538 			tgt = usv;
5539 
5540 			if (dis->d86_seg_prefix)
5541 				(void) strlcat(buf, dis->d86_seg_prefix,
5542 				    buflen);
5543 
5544 			if (op->d86_mode == MODE_SIGNED ||
5545 			    op->d86_mode == MODE_IMPLIED) {
5546 				(void) strlcat(buf, "$", buflen);
5547 			}
5548 
5549 			if (print_imm(dis, usv, mask, buf, buflen,
5550 			    IMM, TRY_NEG) &&
5551 			    (op->d86_mode == MODE_SIGNED ||
5552 			    op->d86_mode == MODE_IMPLIED)) {
5553 
5554 				/*
5555 				 * We printed a negative value for an
5556 				 * immediate that wasn't a
5557 				 * displacement.  Note that fact so we can
5558 				 * print the positive value as an
5559 				 * annotation.
5560 				 */
5561 
5562 				save_usv = usv;
5563 				save_mask = mask;
5564 			}
5565 			(void) strlcat(buf, op->d86_opnd, buflen);
5566 
5567 			break;
5568 
5569 		case MODE_IPREL:
5570 		case MODE_RIPREL:
5571 
5572 			reltgt = pc + sv;
5573 
5574 			switch (mode) {
5575 			case SIZE16:
5576 				reltgt = (uint16_t)reltgt;
5577 				break;
5578 			case SIZE32:
5579 				reltgt = (uint32_t)reltgt;
5580 				break;
5581 			}
5582 
5583 			(void) print_imm(dis, usv, mask, buf, buflen,
5584 			    DISP, TRY_NEG);
5585 
5586 			if (op->d86_mode == MODE_RIPREL)
5587 				(void) strlcat(buf, "(%rip)", buflen);
5588 			break;
5589 		}
5590 	}
5591 
5592 	/*
5593 	 * The symbol lookups may result in false positives,
5594 	 * particularly on object files, where small numbers may match
5595 	 * the 0-relative non-relocated addresses of symbols.
5596 	 */
5597 
5598 	lookup = dis->d86_sym_lookup;
5599 	if (tgt != 0) {
5600 		if ((dis->d86_flags & DIS_F_NOIMMSYM) == 0 &&
5601 		    lookup(dis->d86_data, tgt, NULL, 0) == 0) {
5602 			(void) strlcat(buf, "\t<", buflen);
5603 			curlen = strlen(buf);
5604 			lookup(dis->d86_data, tgt, buf + curlen,
5605 			    buflen - curlen);
5606 			(void) strlcat(buf, ">", buflen);
5607 		}
5608 
5609 		/*
5610 		 * If we printed a negative immediate above, print the
5611 		 * positive in case our heuristic was unhelpful
5612 		 */
5613 		if (save_usv) {
5614 			(void) strlcat(buf, "\t<", buflen);
5615 			(void) print_imm(dis, save_usv, save_mask, buf, buflen,
5616 			    IMM, POS);
5617 			(void) strlcat(buf, ">", buflen);
5618 		}
5619 	}
5620 
5621 	if (reltgt != 0) {
5622 		/* Print symbol or effective address for reltgt */
5623 
5624 		(void) strlcat(buf, "\t<", buflen);
5625 		curlen = strlen(buf);
5626 		lookup(dis->d86_data, reltgt, buf + curlen,
5627 		    buflen - curlen);
5628 		(void) strlcat(buf, ">", buflen);
5629 	}
5630 }
5631 
5632 #endif /* DIS_TEXT */
5633