Commit | Line | Data |
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ce868e5c | 1 | /* i386-opcode.h -- Intel 80386 opcode table |
d411c9ef | 2 | Copyright 1989, 91, 92, 93, 94, 95, 96, 97, 1998 Free Software Foundation. |
ce868e5c JG |
3 | |
4 | This file is part of GAS, the GNU Assembler, and GDB, the GNU Debugger. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
cd22144a | 18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
ce868e5c | 19 | |
ed44fb7a ILT |
20 | /* The UnixWare assembler, and probably other AT&T derived ix86 Unix |
21 | assemblers, generate floating point instructions with reversed | |
22 | source and destination registers in certain cases. Unfortunately, | |
23 | gcc and possibly many other programs use this reversed syntax, so | |
24 | we're stuck with it. | |
25 | ||
26 | eg. `fsub %st(3),%st' results in st <- st - st(3) as expected, but | |
b8e4d255 | 27 | `fsub %st,%st(3)' results in st(3) <- st - st(3), rather than |
ed44fb7a ILT |
28 | the expected st(3) <- st(3) - st ! |
29 | ||
30 | This happens with all the non-commutative arithmetic floating point | |
31 | operations with two register operands, where the source register is | |
32 | %st, and destination register is %st(i). Look for FloatDR below. */ | |
33 | ||
34 | #ifndef UNIXWARE_COMPAT | |
35 | /* Set non-zero for broken, compatible instructions. Set to zero for | |
36 | non-broken opcodes at your peril. gcc generates UnixWare | |
37 | compatible instructions. */ | |
38 | #define UNIXWARE_COMPAT 1 | |
39 | #endif | |
40 | ||
c0d7b534 | 41 | |
ce868e5c JG |
42 | static const template i386_optab[] = { |
43 | ||
77be9a8a | 44 | #define X None |
ed44fb7a ILT |
45 | #define ReverseModrm (ReverseRegRegmem|Modrm) |
46 | #define NoSuf (No_bSuf|No_wSuf|No_lSuf|No_sSuf) | |
47 | #define b_Suf (No_wSuf|No_lSuf|No_sSuf) | |
48 | #define w_Suf (No_bSuf|No_lSuf|No_sSuf) | |
49 | #define l_Suf (No_bSuf|No_wSuf|No_sSuf) | |
50 | #define bw_Suf (No_lSuf|No_sSuf) | |
51 | #define bl_Suf (No_wSuf|No_sSuf) | |
52 | #define wl_Suf (No_bSuf|No_sSuf) | |
038915c9 | 53 | #define sl_Suf (No_bSuf|No_wSuf) |
ed44fb7a | 54 | #define bwl_Suf No_sSuf |
b8e4d255 ILT |
55 | #define FP (NoSuf|IgnoreSize) |
56 | #define l_FP (l_Suf|IgnoreSize) | |
57 | #define sl_FP (sl_Suf|IgnoreSize) | |
ed44fb7a ILT |
58 | #if UNIXWARE_COMPAT |
59 | #define FloatDR FloatD | |
60 | #else | |
61 | #define FloatDR (FloatD|FloatR) | |
62 | #endif | |
ffabaa53 | 63 | |
ce868e5c | 64 | /* move instructions */ |
a43022bd | 65 | #define MOV_AX_DISP32 0xa0 |
038915c9 | 66 | { "mov", 2, 0xa0, X, bwl_Suf|D|W, { Disp16|Disp32, Acc, 0 } }, |
ed44fb7a ILT |
67 | { "mov", 2, 0x88, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0 } }, |
68 | { "mov", 2, 0xb0, X, bwl_Suf|W|ShortForm, { Imm, Reg, 0 } }, | |
69 | { "mov", 2, 0xc6, X, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0 } }, | |
70 | /* The next two instructions accept WordReg so that a segment register | |
71 | can be copied to a 32 bit register, and vice versa, without using a | |
72 | size prefix. When moving to a 32 bit register, the upper 16 bits | |
73 | are set to an implementation defined value (on the Pentium Pro, | |
ffabaa53 | 74 | the implementation defined value is zero). */ |
ed44fb7a | 75 | { "mov", 2, 0x8c, X, wl_Suf|Modrm, { SReg3|SReg2, WordReg|WordMem, 0 } }, |
b8e4d255 | 76 | { "mov", 2, 0x8e, X, wl_Suf|Modrm|IgnoreSize, { WordReg|WordMem, SReg3|SReg2, 0 } }, |
ce868e5c | 77 | /* move to/from control debug registers */ |
b8e4d255 ILT |
78 | { "mov", 2, 0x0f20, X, l_Suf|D|Modrm|IgnoreSize, { Control, Reg32, 0} }, |
79 | { "mov", 2, 0x0f21, X, l_Suf|D|Modrm|IgnoreSize, { Debug, Reg32, 0} }, | |
80 | { "mov", 2, 0x0f24, X, l_Suf|D|Modrm|IgnoreSize, { Test, Reg32, 0} }, | |
ce868e5c JG |
81 | |
82 | /* move with sign extend */ | |
83 | /* "movsbl" & "movsbw" must not be unified into "movsb" to avoid | |
b8e4d255 ILT |
84 | conflict with the "movs" string move instruction. */ |
85 | {"movsbl", 2, 0x0fbe, X, NoSuf|ReverseModrm, { Reg8|ByteMem, Reg32, 0} }, | |
86 | {"movsbw", 2, 0x0fbe, X, NoSuf|ReverseModrm, { Reg8|ByteMem, Reg16, 0} }, | |
87 | {"movswl", 2, 0x0fbf, X, NoSuf|ReverseModrm, { Reg16|ShortMem, Reg32, 0} }, | |
ce868e5c JG |
88 | |
89 | /* move with zero extend */ | |
b8e4d255 ILT |
90 | {"movzb", 2, 0x0fb6, X, wl_Suf|ReverseModrm, { Reg8|ByteMem, WordReg, 0} }, |
91 | {"movzwl", 2, 0x0fb7, X, NoSuf|ReverseModrm, { Reg16|ShortMem, Reg32, 0} }, | |
ce868e5c JG |
92 | |
93 | /* push instructions */ | |
ed44fb7a ILT |
94 | {"push", 1, 0x50, X, wl_Suf|ShortForm, { WordReg,0,0 } }, |
95 | {"push", 1, 0xff, 6, wl_Suf|Modrm, { WordReg|WordMem, 0, 0 } }, | |
96 | {"push", 1, 0x6a, X, wl_Suf, { Imm8S, 0, 0} }, | |
97 | {"push", 1, 0x68, X, wl_Suf, { Imm16|Imm32, 0, 0} }, | |
98 | {"push", 1, 0x06, X, wl_Suf|Seg2ShortForm, { SReg2,0,0 } }, | |
99 | {"push", 1, 0x0fa0, X, wl_Suf|Seg3ShortForm, { SReg3,0,0 } }, | |
ce868e5c | 100 | /* push all */ |
ed44fb7a | 101 | {"pusha", 0, 0x60, X, wl_Suf, { 0, 0, 0 } }, |
ce868e5c JG |
102 | |
103 | /* pop instructions */ | |
ed44fb7a ILT |
104 | {"pop", 1, 0x58, X, wl_Suf|ShortForm, { WordReg,0,0 } }, |
105 | {"pop", 1, 0x8f, 0, wl_Suf|Modrm, { WordReg|WordMem, 0, 0 } }, | |
106 | #define POP_SEG_SHORT 0x07 | |
107 | {"pop", 1, 0x07, X, wl_Suf|Seg2ShortForm, { SReg2,0,0 } }, | |
108 | {"pop", 1, 0x0fa1, X, wl_Suf|Seg3ShortForm, { SReg3,0,0 } }, | |
ce868e5c | 109 | /* pop all */ |
ed44fb7a | 110 | {"popa", 0, 0x61, X, wl_Suf, { 0, 0, 0 } }, |
ce868e5c JG |
111 | |
112 | /* xchg exchange instructions | |
113 | xchg commutes: we allow both operand orders */ | |
ed44fb7a ILT |
114 | {"xchg", 2, 0x90, X, wl_Suf|ShortForm, { WordReg, Acc, 0 } }, |
115 | {"xchg", 2, 0x90, X, wl_Suf|ShortForm, { Acc, WordReg, 0 } }, | |
116 | {"xchg", 2, 0x86, X, bwl_Suf|W|Modrm, { Reg, Reg|AnyMem, 0 } }, | |
117 | {"xchg", 2, 0x86, X, bwl_Suf|W|Modrm, { Reg|AnyMem, Reg, 0 } }, | |
ce868e5c JG |
118 | |
119 | /* in/out from ports */ | |
ed44fb7a ILT |
120 | {"in", 2, 0xe4, X, bwl_Suf|W, { Imm8, Acc, 0 } }, |
121 | {"in", 2, 0xec, X, bwl_Suf|W, { InOutPortReg, Acc, 0 } }, | |
122 | {"in", 1, 0xe4, X, bwl_Suf|W, { Imm8, 0, 0 } }, | |
123 | {"in", 1, 0xec, X, bwl_Suf|W, { InOutPortReg, 0, 0 } }, | |
124 | {"out", 2, 0xe6, X, bwl_Suf|W, { Acc, Imm8, 0 } }, | |
125 | {"out", 2, 0xee, X, bwl_Suf|W, { Acc, InOutPortReg, 0 } }, | |
126 | {"out", 1, 0xe6, X, bwl_Suf|W, { Imm8, 0, 0 } }, | |
127 | {"out", 1, 0xee, X, bwl_Suf|W, { InOutPortReg, 0, 0 } }, | |
fc0d7441 | 128 | |
ce868e5c | 129 | /* load effective address */ |
ed44fb7a | 130 | {"lea", 2, 0x8d, X, wl_Suf|Modrm, { WordMem, WordReg, 0 } }, |
ce868e5c JG |
131 | |
132 | /* load segment registers from memory */ | |
ed44fb7a ILT |
133 | {"lds", 2, 0xc5, X, wl_Suf|Modrm, { WordMem, WordReg, 0} }, |
134 | {"les", 2, 0xc4, X, wl_Suf|Modrm, { WordMem, WordReg, 0} }, | |
135 | {"lfs", 2, 0x0fb4, X, wl_Suf|Modrm, { WordMem, WordReg, 0} }, | |
136 | {"lgs", 2, 0x0fb5, X, wl_Suf|Modrm, { WordMem, WordReg, 0} }, | |
137 | {"lss", 2, 0x0fb2, X, wl_Suf|Modrm, { WordMem, WordReg, 0} }, | |
ce868e5c JG |
138 | |
139 | /* flags register instructions */ | |
ed44fb7a ILT |
140 | {"clc", 0, 0xf8, X, NoSuf, { 0, 0, 0} }, |
141 | {"cld", 0, 0xfc, X, NoSuf, { 0, 0, 0} }, | |
142 | {"cli", 0, 0xfa, X, NoSuf, { 0, 0, 0} }, | |
143 | {"clts", 0, 0x0f06, X, NoSuf, { 0, 0, 0} }, | |
144 | {"cmc", 0, 0xf5, X, NoSuf, { 0, 0, 0} }, | |
145 | {"lahf", 0, 0x9f, X, NoSuf, { 0, 0, 0} }, | |
146 | {"sahf", 0, 0x9e, X, NoSuf, { 0, 0, 0} }, | |
147 | {"pushf", 0, 0x9c, X, wl_Suf, { 0, 0, 0} }, | |
148 | {"popf", 0, 0x9d, X, wl_Suf, { 0, 0, 0} }, | |
149 | {"stc", 0, 0xf9, X, NoSuf, { 0, 0, 0} }, | |
150 | {"std", 0, 0xfd, X, NoSuf, { 0, 0, 0} }, | |
151 | {"sti", 0, 0xfb, X, NoSuf, { 0, 0, 0} }, | |
152 | ||
153 | /* arithmetic */ | |
154 | {"add", 2, 0x00, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, | |
155 | {"add", 2, 0x83, 0, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, | |
156 | {"add", 2, 0x04, X, bwl_Suf|W, { Imm, Acc, 0} }, | |
157 | {"add", 2, 0x80, 0, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, | |
158 | ||
159 | {"inc", 1, 0x40, X, wl_Suf|ShortForm, { WordReg, 0, 0} }, | |
160 | {"inc", 1, 0xfe, 0, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
161 | ||
162 | {"sub", 2, 0x28, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, | |
163 | {"sub", 2, 0x83, 5, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, | |
164 | {"sub", 2, 0x2c, X, bwl_Suf|W, { Imm, Acc, 0} }, | |
165 | {"sub", 2, 0x80, 5, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, | |
166 | ||
167 | {"dec", 1, 0x48, X, wl_Suf|ShortForm, { WordReg, 0, 0} }, | |
168 | {"dec", 1, 0xfe, 1, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
169 | ||
170 | {"sbb", 2, 0x18, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, | |
171 | {"sbb", 2, 0x83, 3, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, | |
172 | {"sbb", 2, 0x1c, X, bwl_Suf|W, { Imm, Acc, 0} }, | |
173 | {"sbb", 2, 0x80, 3, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, | |
174 | ||
175 | {"cmp", 2, 0x38, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, | |
176 | {"cmp", 2, 0x83, 7, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, | |
177 | {"cmp", 2, 0x3c, X, bwl_Suf|W, { Imm, Acc, 0} }, | |
178 | {"cmp", 2, 0x80, 7, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, | |
179 | ||
180 | {"test", 2, 0x84, X, bwl_Suf|W|Modrm, { Reg|AnyMem, Reg, 0} }, | |
181 | {"test", 2, 0x84, X, bwl_Suf|W|Modrm, { Reg, Reg|AnyMem, 0} }, | |
182 | {"test", 2, 0xa8, X, bwl_Suf|W, { Imm, Acc, 0} }, | |
183 | {"test", 2, 0xf6, 0, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, | |
184 | ||
185 | {"and", 2, 0x20, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, | |
186 | {"and", 2, 0x83, 4, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, | |
187 | {"and", 2, 0x24, X, bwl_Suf|W, { Imm, Acc, 0} }, | |
188 | {"and", 2, 0x80, 4, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, | |
189 | ||
190 | {"or", 2, 0x08, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, | |
191 | {"or", 2, 0x83, 1, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, | |
192 | {"or", 2, 0x0c, X, bwl_Suf|W, { Imm, Acc, 0} }, | |
193 | {"or", 2, 0x80, 1, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, | |
194 | ||
195 | {"xor", 2, 0x30, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, | |
196 | {"xor", 2, 0x83, 6, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, | |
197 | {"xor", 2, 0x34, X, bwl_Suf|W, { Imm, Acc, 0} }, | |
198 | {"xor", 2, 0x80, 6, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, | |
199 | ||
200 | /* iclr with 1 operand is really xor with 2 operands. */ | |
201 | {"clr", 1, 0x30, X, bwl_Suf|W|Modrm|regKludge, { Reg, 0, 0 } }, | |
202 | ||
203 | {"adc", 2, 0x10, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} }, | |
204 | {"adc", 2, 0x83, 2, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} }, | |
205 | {"adc", 2, 0x14, X, bwl_Suf|W, { Imm, Acc, 0} }, | |
206 | {"adc", 2, 0x80, 2, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} }, | |
207 | ||
208 | {"neg", 1, 0xf6, 3, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
209 | {"not", 1, 0xf6, 2, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
210 | ||
211 | {"aaa", 0, 0x37, X, NoSuf, { 0, 0, 0} }, | |
212 | {"aas", 0, 0x3f, X, NoSuf, { 0, 0, 0} }, | |
213 | {"daa", 0, 0x27, X, NoSuf, { 0, 0, 0} }, | |
214 | {"das", 0, 0x2f, X, NoSuf, { 0, 0, 0} }, | |
215 | {"aad", 0, 0xd50a, X, NoSuf, { 0, 0, 0} }, | |
59e907e3 | 216 | {"aad", 1, 0xd5, X, NoSuf, { Imm8S, 0, 0} }, |
ed44fb7a | 217 | {"aam", 0, 0xd40a, X, NoSuf, { 0, 0, 0} }, |
59e907e3 | 218 | {"aam", 1, 0xd4, X, NoSuf, { Imm8S, 0, 0} }, |
ce868e5c JG |
219 | |
220 | /* conversion insns */ | |
ed44fb7a | 221 | /* conversion: intel naming */ |
b8e4d255 ILT |
222 | {"cbw", 0, 0x98, X, NoSuf|Size16, { 0, 0, 0} }, |
223 | {"cwde", 0, 0x98, X, NoSuf|Size32, { 0, 0, 0} }, | |
224 | {"cwd", 0, 0x99, X, NoSuf|Size16, { 0, 0, 0} }, | |
225 | {"cdq", 0, 0x99, X, NoSuf|Size32, { 0, 0, 0} }, | |
ce868e5c | 226 | /* att naming */ |
b8e4d255 ILT |
227 | {"cbtw", 0, 0x98, X, NoSuf|Size16, { 0, 0, 0} }, |
228 | {"cwtl", 0, 0x98, X, NoSuf|Size32, { 0, 0, 0} }, | |
229 | {"cwtd", 0, 0x99, X, NoSuf|Size16, { 0, 0, 0} }, | |
230 | {"cltd", 0, 0x99, X, NoSuf|Size32, { 0, 0, 0} }, | |
ce868e5c JG |
231 | |
232 | /* Warning! the mul/imul (opcode 0xf6) must only have 1 operand! They are | |
233 | expanding 64-bit multiplies, and *cannot* be selected to accomplish | |
234 | 'imul %ebx, %eax' (opcode 0x0faf must be used in this case) | |
77be9a8a | 235 | These multiplies can only be selected with single operand forms. */ |
ed44fb7a ILT |
236 | {"mul", 1, 0xf6, 4, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, |
237 | {"imul", 1, 0xf6, 5, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
238 | {"imul", 2, 0x0faf, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
239 | {"imul", 3, 0x6b, X, wl_Suf|ReverseModrm, { Imm8S, WordReg|WordMem, WordReg} }, | |
240 | {"imul", 3, 0x69, X, wl_Suf|ReverseModrm, { Imm16|Imm32, WordReg|WordMem, WordReg} }, | |
77be9a8a ILT |
241 | /* imul with 2 operands mimics imul with 3 by putting the register in |
242 | both i.rm.reg & i.rm.regmem fields. regKludge enables this | |
243 | transformation. */ | |
ed44fb7a ILT |
244 | {"imul", 2, 0x6b, X, wl_Suf|Modrm|regKludge,{ Imm8S, WordReg, 0} }, |
245 | {"imul", 2, 0x69, X, wl_Suf|Modrm|regKludge,{ Imm16|Imm32, WordReg, 0} }, | |
246 | ||
247 | {"div", 1, 0xf6, 6, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
248 | {"div", 2, 0xf6, 6, bwl_Suf|W|Modrm, { Reg|AnyMem, Acc, 0} }, | |
249 | {"idiv", 1, 0xf6, 7, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
250 | {"idiv", 2, 0xf6, 7, bwl_Suf|W|Modrm, { Reg|AnyMem, Acc, 0} }, | |
251 | ||
252 | {"rol", 2, 0xd0, 0, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, | |
253 | {"rol", 2, 0xc0, 0, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, | |
254 | {"rol", 2, 0xd2, 0, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, | |
255 | {"rol", 1, 0xd0, 0, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
256 | ||
257 | {"ror", 2, 0xd0, 1, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, | |
258 | {"ror", 2, 0xc0, 1, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, | |
259 | {"ror", 2, 0xd2, 1, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, | |
260 | {"ror", 1, 0xd0, 1, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
261 | ||
262 | {"rcl", 2, 0xd0, 2, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, | |
263 | {"rcl", 2, 0xc0, 2, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, | |
264 | {"rcl", 2, 0xd2, 2, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, | |
265 | {"rcl", 1, 0xd0, 2, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
266 | ||
267 | {"rcr", 2, 0xd0, 3, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, | |
268 | {"rcr", 2, 0xc0, 3, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, | |
269 | {"rcr", 2, 0xd2, 3, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, | |
270 | {"rcr", 1, 0xd0, 3, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
271 | ||
272 | {"sal", 2, 0xd0, 4, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, | |
273 | {"sal", 2, 0xc0, 4, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, | |
274 | {"sal", 2, 0xd2, 4, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, | |
275 | {"sal", 1, 0xd0, 4, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
276 | {"shl", 2, 0xd0, 4, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, | |
277 | {"shl", 2, 0xc0, 4, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, | |
278 | {"shl", 2, 0xd2, 4, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, | |
279 | {"shl", 1, 0xd0, 4, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
280 | ||
281 | {"shld", 3, 0x0fa4, X, wl_Suf|Modrm, { Imm8, WordReg, WordReg|WordMem} }, | |
282 | {"shld", 3, 0x0fa5, X, wl_Suf|Modrm, { ShiftCount, WordReg, WordReg|WordMem} }, | |
283 | {"shld", 2, 0x0fa5, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} }, | |
284 | ||
285 | {"shr", 2, 0xd0, 5, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, | |
286 | {"shr", 2, 0xc0, 5, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, | |
287 | {"shr", 2, 0xd2, 5, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, | |
288 | {"shr", 1, 0xd0, 5, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
289 | ||
290 | {"shrd", 3, 0x0fac, X, wl_Suf|Modrm, { Imm8, WordReg, WordReg|WordMem} }, | |
291 | {"shrd", 3, 0x0fad, X, wl_Suf|Modrm, { ShiftCount, WordReg, WordReg|WordMem} }, | |
292 | {"shrd", 2, 0x0fad, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} }, | |
293 | ||
294 | {"sar", 2, 0xd0, 7, bwl_Suf|W|Modrm, { Imm1, Reg|AnyMem, 0} }, | |
295 | {"sar", 2, 0xc0, 7, bwl_Suf|W|Modrm, { Imm8, Reg|AnyMem, 0} }, | |
296 | {"sar", 2, 0xd2, 7, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} }, | |
297 | {"sar", 1, 0xd0, 7, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} }, | |
ce868e5c JG |
298 | |
299 | /* control transfer instructions */ | |
038915c9 ILT |
300 | {"call", 1, 0xe8, X, wl_Suf|JumpDword, { Disp16|Disp32, 0, 0} }, |
301 | {"call", 1, 0xff, 2, wl_Suf|Modrm, { WordReg|WordMem|JumpAbsolute, 0, 0} }, | |
302 | {"lcall", 2, 0x9a, X, wl_Suf|JumpInterSegment, { Imm16, Imm16|Imm32, 0} }, | |
303 | {"lcall", 1, 0xff, 3, wl_Suf|Modrm, { WordMem, 0, 0} }, | |
ce868e5c JG |
304 | |
305 | #define JUMP_PC_RELATIVE 0xeb | |
ed44fb7a ILT |
306 | {"jmp", 1, 0xeb, X, NoSuf|Jump, { Disp, 0, 0} }, |
307 | {"jmp", 1, 0xff, 4, wl_Suf|Modrm, { WordReg|WordMem|JumpAbsolute, 0, 0} }, | |
038915c9 | 308 | {"ljmp", 2, 0xea, X, wl_Suf|JumpInterSegment, { Imm16, Imm16|Imm32, 0} }, |
ed44fb7a ILT |
309 | {"ljmp", 1, 0xff, 5, wl_Suf|Modrm, { WordMem, 0, 0} }, |
310 | ||
038915c9 ILT |
311 | {"ret", 0, 0xc3, X, wl_Suf, { 0, 0, 0} }, |
312 | {"ret", 1, 0xc2, X, wl_Suf, { Imm16, 0, 0} }, | |
313 | {"lret", 0, 0xcb, X, wl_Suf, { 0, 0, 0} }, | |
314 | {"lret", 1, 0xca, X, wl_Suf, { Imm16, 0, 0} }, | |
315 | {"enter", 2, 0xc8, X, wl_Suf, { Imm16, Imm8, 0} }, | |
316 | {"leave", 0, 0xc9, X, wl_Suf, { 0, 0, 0} }, | |
ce868e5c JG |
317 | |
318 | /* conditional jumps */ | |
ed44fb7a ILT |
319 | {"jo", 1, 0x70, X, NoSuf|Jump, { Disp, 0, 0} }, |
320 | {"jno", 1, 0x71, X, NoSuf|Jump, { Disp, 0, 0} }, | |
321 | {"jb", 1, 0x72, X, NoSuf|Jump, { Disp, 0, 0} }, | |
322 | {"jc", 1, 0x72, X, NoSuf|Jump, { Disp, 0, 0} }, | |
323 | {"jnae", 1, 0x72, X, NoSuf|Jump, { Disp, 0, 0} }, | |
324 | {"jnb", 1, 0x73, X, NoSuf|Jump, { Disp, 0, 0} }, | |
325 | {"jnc", 1, 0x73, X, NoSuf|Jump, { Disp, 0, 0} }, | |
326 | {"jae", 1, 0x73, X, NoSuf|Jump, { Disp, 0, 0} }, | |
327 | {"je", 1, 0x74, X, NoSuf|Jump, { Disp, 0, 0} }, | |
328 | {"jz", 1, 0x74, X, NoSuf|Jump, { Disp, 0, 0} }, | |
329 | {"jne", 1, 0x75, X, NoSuf|Jump, { Disp, 0, 0} }, | |
330 | {"jnz", 1, 0x75, X, NoSuf|Jump, { Disp, 0, 0} }, | |
331 | {"jbe", 1, 0x76, X, NoSuf|Jump, { Disp, 0, 0} }, | |
332 | {"jna", 1, 0x76, X, NoSuf|Jump, { Disp, 0, 0} }, | |
333 | {"jnbe", 1, 0x77, X, NoSuf|Jump, { Disp, 0, 0} }, | |
334 | {"ja", 1, 0x77, X, NoSuf|Jump, { Disp, 0, 0} }, | |
335 | {"js", 1, 0x78, X, NoSuf|Jump, { Disp, 0, 0} }, | |
336 | {"jns", 1, 0x79, X, NoSuf|Jump, { Disp, 0, 0} }, | |
337 | {"jp", 1, 0x7a, X, NoSuf|Jump, { Disp, 0, 0} }, | |
338 | {"jpe", 1, 0x7a, X, NoSuf|Jump, { Disp, 0, 0} }, | |
339 | {"jnp", 1, 0x7b, X, NoSuf|Jump, { Disp, 0, 0} }, | |
340 | {"jpo", 1, 0x7b, X, NoSuf|Jump, { Disp, 0, 0} }, | |
341 | {"jl", 1, 0x7c, X, NoSuf|Jump, { Disp, 0, 0} }, | |
342 | {"jnge", 1, 0x7c, X, NoSuf|Jump, { Disp, 0, 0} }, | |
343 | {"jnl", 1, 0x7d, X, NoSuf|Jump, { Disp, 0, 0} }, | |
344 | {"jge", 1, 0x7d, X, NoSuf|Jump, { Disp, 0, 0} }, | |
345 | {"jle", 1, 0x7e, X, NoSuf|Jump, { Disp, 0, 0} }, | |
346 | {"jng", 1, 0x7e, X, NoSuf|Jump, { Disp, 0, 0} }, | |
347 | {"jnle", 1, 0x7f, X, NoSuf|Jump, { Disp, 0, 0} }, | |
348 | {"jg", 1, 0x7f, X, NoSuf|Jump, { Disp, 0, 0} }, | |
ce868e5c | 349 | |
c2367582 | 350 | /* jcxz vs. jecxz is chosen on the basis of the address size prefix. */ |
b8e4d255 ILT |
351 | {"jcxz", 1, 0xe3, X, NoSuf|JumpByte|Size16, { Disp, 0, 0} }, |
352 | {"jecxz", 1, 0xe3, X, NoSuf|JumpByte|Size32, { Disp, 0, 0} }, | |
ed44fb7a ILT |
353 | |
354 | /* The loop instructions also use the address size prefix to select | |
355 | %cx rather than %ecx for the loop count, so the `w' form of these | |
356 | instructions emit an address size prefix rather than a data size | |
357 | prefix. */ | |
358 | {"loop", 1, 0xe2, X, wl_Suf|JumpByte, { Disp, 0, 0} }, | |
359 | {"loopz", 1, 0xe1, X, wl_Suf|JumpByte, { Disp, 0, 0} }, | |
360 | {"loope", 1, 0xe1, X, wl_Suf|JumpByte, { Disp, 0, 0} }, | |
361 | {"loopnz", 1, 0xe0, X, wl_Suf|JumpByte, { Disp, 0, 0} }, | |
362 | {"loopne", 1, 0xe0, X, wl_Suf|JumpByte, { Disp, 0, 0} }, | |
ce868e5c JG |
363 | |
364 | /* set byte on flag instructions */ | |
ed44fb7a ILT |
365 | {"seto", 1, 0x0f90, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, |
366 | {"setno", 1, 0x0f91, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
367 | {"setb", 1, 0x0f92, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
368 | {"setc", 1, 0x0f92, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
369 | {"setnae", 1, 0x0f92, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
370 | {"setnb", 1, 0x0f93, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
371 | {"setnc", 1, 0x0f93, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
372 | {"setae", 1, 0x0f93, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
373 | {"sete", 1, 0x0f94, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
374 | {"setz", 1, 0x0f94, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
375 | {"setne", 1, 0x0f95, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
376 | {"setnz", 1, 0x0f95, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
377 | {"setbe", 1, 0x0f96, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
378 | {"setna", 1, 0x0f96, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
379 | {"setnbe", 1, 0x0f97, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
380 | {"seta", 1, 0x0f97, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
381 | {"sets", 1, 0x0f98, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
382 | {"setns", 1, 0x0f99, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
383 | {"setp", 1, 0x0f9a, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
384 | {"setpe", 1, 0x0f9a, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
385 | {"setnp", 1, 0x0f9b, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
386 | {"setpo", 1, 0x0f9b, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
387 | {"setl", 1, 0x0f9c, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
388 | {"setnge", 1, 0x0f9c, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
389 | {"setnl", 1, 0x0f9d, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
390 | {"setge", 1, 0x0f9d, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
391 | {"setle", 1, 0x0f9e, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
392 | {"setng", 1, 0x0f9e, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
393 | {"setnle", 1, 0x0f9f, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
394 | {"setg", 1, 0x0f9f, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} }, | |
ce868e5c | 395 | |
ce868e5c | 396 | /* string manipulation */ |
ed44fb7a ILT |
397 | {"cmps", 0, 0xa6, X, bwl_Suf|W|IsString, { 0, 0, 0} }, |
398 | {"cmps", 2, 0xa6, X, bwl_Suf|W|IsString, { AnyMem|EsSeg, AnyMem, 0} }, | |
399 | {"scmp", 0, 0xa6, X, bwl_Suf|W|IsString, { 0, 0, 0} }, | |
400 | {"scmp", 2, 0xa6, X, bwl_Suf|W|IsString, { AnyMem|EsSeg, AnyMem, 0} }, | |
401 | {"ins", 0, 0x6c, X, bwl_Suf|W|IsString, { 0, 0, 0} }, | |
402 | {"ins", 2, 0x6c, X, bwl_Suf|W|IsString, { InOutPortReg, AnyMem|EsSeg, 0} }, | |
403 | {"outs", 0, 0x6e, X, bwl_Suf|W|IsString, { 0, 0, 0} }, | |
404 | {"outs", 2, 0x6e, X, bwl_Suf|W|IsString, { AnyMem, InOutPortReg, 0} }, | |
405 | {"lods", 0, 0xac, X, bwl_Suf|W|IsString, { 0, 0, 0} }, | |
406 | {"lods", 1, 0xac, X, bwl_Suf|W|IsString, { AnyMem, 0, 0} }, | |
407 | {"lods", 2, 0xac, X, bwl_Suf|W|IsString, { AnyMem, Acc, 0} }, | |
408 | {"slod", 0, 0xac, X, bwl_Suf|W|IsString, { 0, 0, 0} }, | |
409 | {"slod", 1, 0xac, X, bwl_Suf|W|IsString, { AnyMem, 0, 0} }, | |
410 | {"slod", 2, 0xac, X, bwl_Suf|W|IsString, { AnyMem, Acc, 0} }, | |
411 | {"movs", 0, 0xa4, X, bwl_Suf|W|IsString, { 0, 0, 0} }, | |
412 | {"movs", 2, 0xa4, X, bwl_Suf|W|IsString, { AnyMem, AnyMem|EsSeg, 0} }, | |
413 | {"smov", 0, 0xa4, X, bwl_Suf|W|IsString, { 0, 0, 0} }, | |
414 | {"smov", 2, 0xa4, X, bwl_Suf|W|IsString, { AnyMem, AnyMem|EsSeg, 0} }, | |
415 | {"scas", 0, 0xae, X, bwl_Suf|W|IsString, { 0, 0, 0} }, | |
416 | {"scas", 1, 0xae, X, bwl_Suf|W|IsString, { AnyMem|EsSeg, 0, 0} }, | |
417 | {"scas", 2, 0xae, X, bwl_Suf|W|IsString, { AnyMem|EsSeg, Acc, 0} }, | |
418 | {"ssca", 0, 0xae, X, bwl_Suf|W|IsString, { 0, 0, 0} }, | |
419 | {"ssca", 1, 0xae, X, bwl_Suf|W|IsString, { AnyMem|EsSeg, 0, 0} }, | |
420 | {"ssca", 2, 0xae, X, bwl_Suf|W|IsString, { AnyMem|EsSeg, Acc, 0} }, | |
421 | {"stos", 0, 0xaa, X, bwl_Suf|W|IsString, { 0, 0, 0} }, | |
422 | {"stos", 1, 0xaa, X, bwl_Suf|W|IsString, { AnyMem|EsSeg, 0, 0} }, | |
423 | {"stos", 2, 0xaa, X, bwl_Suf|W|IsString, { Acc, AnyMem|EsSeg, 0} }, | |
424 | {"ssto", 0, 0xaa, X, bwl_Suf|W|IsString, { 0, 0, 0} }, | |
425 | {"ssto", 1, 0xaa, X, bwl_Suf|W|IsString, { AnyMem|EsSeg, 0, 0} }, | |
426 | {"ssto", 2, 0xaa, X, bwl_Suf|W|IsString, { Acc, AnyMem|EsSeg, 0} }, | |
427 | {"xlat", 0, 0xd7, X, b_Suf|IsString, { 0, 0, 0} }, | |
428 | {"xlat", 1, 0xd7, X, b_Suf|IsString, { AnyMem, 0, 0} }, | |
ce868e5c JG |
429 | |
430 | /* bit manipulation */ | |
ed44fb7a ILT |
431 | {"bsf", 2, 0x0fbc, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, |
432 | {"bsr", 2, 0x0fbd, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
433 | {"bt", 2, 0x0fa3, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} }, | |
434 | {"bt", 2, 0x0fba, 4, wl_Suf|Modrm, { Imm8, WordReg|WordMem, 0} }, | |
435 | {"btc", 2, 0x0fbb, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} }, | |
436 | {"btc", 2, 0x0fba, 7, wl_Suf|Modrm, { Imm8, WordReg|WordMem, 0} }, | |
437 | {"btr", 2, 0x0fb3, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} }, | |
438 | {"btr", 2, 0x0fba, 6, wl_Suf|Modrm, { Imm8, WordReg|WordMem, 0} }, | |
439 | {"bts", 2, 0x0fab, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} }, | |
440 | {"bts", 2, 0x0fba, 5, wl_Suf|Modrm, { Imm8, WordReg|WordMem, 0} }, | |
ce868e5c JG |
441 | |
442 | /* interrupts & op. sys insns */ | |
a43022bd KR |
443 | /* See gas/config/tc-i386.c for conversion of 'int $3' into the special |
444 | int 3 insn. */ | |
ce868e5c JG |
445 | #define INT_OPCODE 0xcd |
446 | #define INT3_OPCODE 0xcc | |
ed44fb7a ILT |
447 | {"int", 1, 0xcd, X, NoSuf, { Imm8, 0, 0} }, |
448 | {"int3", 0, 0xcc, X, NoSuf, { 0, 0, 0} }, | |
449 | {"into", 0, 0xce, X, NoSuf, { 0, 0, 0} }, | |
038915c9 | 450 | {"iret", 0, 0xcf, X, wl_Suf, { 0, 0, 0} }, |
cd22144a | 451 | /* i386sl, i486sl, later 486, and Pentium */ |
ed44fb7a | 452 | {"rsm", 0, 0x0faa, X, NoSuf, { 0, 0, 0} }, |
ce868e5c | 453 | |
ed44fb7a | 454 | {"bound", 2, 0x62, X, wl_Suf|Modrm, { WordReg, WordMem, 0} }, |
ce868e5c | 455 | |
ed44fb7a | 456 | {"hlt", 0, 0xf4, X, NoSuf, { 0, 0, 0} }, |
ce868e5c | 457 | /* nop is actually 'xchgl %eax, %eax' */ |
ed44fb7a | 458 | {"nop", 0, 0x90, X, NoSuf, { 0, 0, 0} }, |
ce868e5c JG |
459 | |
460 | /* protection control */ | |
b8e4d255 | 461 | {"arpl", 2, 0x63, X, NoSuf|Modrm|IgnoreSize,{ Reg16, Reg16|ShortMem, 0} }, |
ed44fb7a ILT |
462 | {"lar", 2, 0x0f02, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, |
463 | {"lgdt", 1, 0x0f01, 2, wl_Suf|Modrm, { WordMem, 0, 0} }, | |
464 | {"lidt", 1, 0x0f01, 3, wl_Suf|Modrm, { WordMem, 0, 0} }, | |
b8e4d255 ILT |
465 | {"lldt", 1, 0x0f00, 2, NoSuf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} }, |
466 | {"lmsw", 1, 0x0f01, 6, NoSuf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} }, | |
ed44fb7a | 467 | {"lsl", 2, 0x0f03, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, |
b8e4d255 | 468 | {"ltr", 1, 0x0f00, 3, NoSuf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} }, |
ed44fb7a ILT |
469 | |
470 | {"sgdt", 1, 0x0f01, 0, wl_Suf|Modrm, { WordMem, 0, 0} }, | |
471 | {"sidt", 1, 0x0f01, 1, wl_Suf|Modrm, { WordMem, 0, 0} }, | |
472 | {"sldt", 1, 0x0f00, 0, wl_Suf|Modrm, { WordReg|WordMem, 0, 0} }, | |
473 | {"smsw", 1, 0x0f01, 4, wl_Suf|Modrm, { WordReg|WordMem, 0, 0} }, | |
b8e4d255 | 474 | {"str", 1, 0x0f00, 1, NoSuf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} }, |
ed44fb7a | 475 | |
b8e4d255 ILT |
476 | {"verr", 1, 0x0f00, 4, NoSuf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} }, |
477 | {"verw", 1, 0x0f00, 5, NoSuf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} }, | |
ce868e5c JG |
478 | |
479 | /* floating point instructions */ | |
480 | ||
481 | /* load */ | |
ed44fb7a ILT |
482 | {"fld", 1, 0xd9c0, X, FP|ShortForm, { FloatReg, 0, 0} }, /* register */ |
483 | {"fld", 1, 0xd9, 0, sl_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, /* %st0 <-- mem float/double */ | |
484 | {"fld", 1, 0xd9c0, X, l_FP|ShortForm|Ugh, { FloatReg, 0, 0} }, | |
485 | {"fild", 1, 0xdf, 0, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, /* %st0 <-- mem word(16)/dword(32) */ | |
486 | {"fildq", 1, 0xdf, 5, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 <-- mem qword (64) */ | |
487 | {"fildll", 1, 0xdf, 5, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 <-- mem qword (64) */ | |
488 | {"fldt", 1, 0xdb, 5, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 <-- mem efloat */ | |
489 | {"fbld", 1, 0xdf, 4, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 <-- mem bcd */ | |
ce868e5c JG |
490 | |
491 | /* store (no pop) */ | |
ed44fb7a ILT |
492 | {"fst", 1, 0xddd0, X, FP|ShortForm, { FloatReg, 0, 0} }, /* register */ |
493 | {"fst", 1, 0xd9, 2, sl_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, /* %st0 --> mem float/double */ | |
494 | {"fst", 1, 0xddd0, X, l_FP|ShortForm|Ugh, { FloatReg, 0, 0} }, | |
495 | {"fist", 1, 0xdf, 2, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, /* %st0 --> mem word(16)/dword(32) */ | |
ce868e5c JG |
496 | |
497 | /* store (with pop) */ | |
ed44fb7a ILT |
498 | {"fstp", 1, 0xddd8, X, FP|ShortForm, { FloatReg, 0, 0} }, /* register */ |
499 | {"fstp", 1, 0xd9, 3, sl_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, /* %st0 --> mem float/double */ | |
500 | {"fstp", 1, 0xddd8, X, l_FP|ShortForm|Ugh, { FloatReg, 0, 0} }, | |
501 | {"fistp", 1, 0xdf, 3, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, /* %st0 --> mem word(16)/dword(32) */ | |
502 | {"fistpq", 1, 0xdf, 7, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 --> mem qword (64) */ | |
503 | {"fistpll",1, 0xdf, 7, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 --> mem qword (64) */ | |
504 | {"fstpt", 1, 0xdb, 7, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 --> mem efloat */ | |
505 | {"fbstp", 1, 0xdf, 6, FP|Modrm, { LLongMem, 0, 0} }, /* %st0 --> mem bcd */ | |
ce868e5c JG |
506 | |
507 | /* exchange %st<n> with %st0 */ | |
ed44fb7a ILT |
508 | {"fxch", 1, 0xd9c8, X, FP|ShortForm, { FloatReg, 0, 0} }, |
509 | {"fxch", 0, 0xd9c9, X, FP, { 0, 0, 0} }, /* alias for fxch %st(1) */ | |
ce868e5c JG |
510 | |
511 | /* comparison (without pop) */ | |
ed44fb7a ILT |
512 | {"fcom", 1, 0xd8d0, X, FP|ShortForm, { FloatReg, 0, 0} }, |
513 | {"fcom", 0, 0xd8d1, X, FP, { 0, 0, 0} }, /* alias for fcom %st(1) */ | |
514 | {"fcom", 1, 0xd8, 2, sl_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, /* compare %st0, mem float/double */ | |
515 | {"fcom", 1, 0xd8d0, X, l_FP|ShortForm|Ugh, { FloatReg, 0, 0} }, | |
516 | {"ficom", 1, 0xde, 2, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, /* compare %st0, mem word/dword */ | |
ce868e5c JG |
517 | |
518 | /* comparison (with pop) */ | |
ed44fb7a ILT |
519 | {"fcomp", 1, 0xd8d8, X, FP|ShortForm, { FloatReg, 0, 0} }, |
520 | {"fcomp", 0, 0xd8d9, X, FP, { 0, 0, 0} }, /* alias for fcomp %st(1) */ | |
521 | {"fcomp", 1, 0xd8, 3, sl_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, /* compare %st0, mem float/double */ | |
522 | {"fcomp", 1, 0xd8d8, X, l_FP|ShortForm|Ugh, { FloatReg, 0, 0} }, | |
523 | {"ficomp", 1, 0xde, 3, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, /* compare %st0, mem word/dword */ | |
524 | {"fcompp", 0, 0xded9, X, FP, { 0, 0, 0} }, /* compare %st0, %st1 & pop 2 */ | |
ce868e5c JG |
525 | |
526 | /* unordered comparison (with pop) */ | |
ed44fb7a ILT |
527 | {"fucom", 1, 0xdde0, X, FP|ShortForm, { FloatReg, 0, 0} }, |
528 | {"fucom", 0, 0xdde1, X, FP, { 0, 0, 0} }, /* alias for fucom %st(1) */ | |
529 | {"fucomp", 1, 0xdde8, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
530 | {"fucomp", 0, 0xdde9, X, FP, { 0, 0, 0} }, /* alias for fucomp %st(1) */ | |
531 | {"fucompp",0, 0xdae9, X, FP, { 0, 0, 0} }, /* ucompare %st0, %st1 & pop twice */ | |
ce868e5c | 532 | |
ed44fb7a ILT |
533 | {"ftst", 0, 0xd9e4, X, FP, { 0, 0, 0} }, /* test %st0 */ |
534 | {"fxam", 0, 0xd9e5, X, FP, { 0, 0, 0} }, /* examine %st0 */ | |
ce868e5c JG |
535 | |
536 | /* load constants into %st0 */ | |
ed44fb7a ILT |
537 | {"fld1", 0, 0xd9e8, X, FP, { 0, 0, 0} }, /* %st0 <-- 1.0 */ |
538 | {"fldl2t", 0, 0xd9e9, X, FP, { 0, 0, 0} }, /* %st0 <-- log2(10) */ | |
539 | {"fldl2e", 0, 0xd9ea, X, FP, { 0, 0, 0} }, /* %st0 <-- log2(e) */ | |
540 | {"fldpi", 0, 0xd9eb, X, FP, { 0, 0, 0} }, /* %st0 <-- pi */ | |
541 | {"fldlg2", 0, 0xd9ec, X, FP, { 0, 0, 0} }, /* %st0 <-- log10(2) */ | |
542 | {"fldln2", 0, 0xd9ed, X, FP, { 0, 0, 0} }, /* %st0 <-- ln(2) */ | |
543 | {"fldz", 0, 0xd9ee, X, FP, { 0, 0, 0} }, /* %st0 <-- 0.0 */ | |
ce868e5c JG |
544 | |
545 | /* arithmetic */ | |
546 | ||
547 | /* add */ | |
ed44fb7a ILT |
548 | {"fadd", 2, 0xd8c0, X, FP|ShortForm|FloatD, { FloatReg, FloatAcc, 0} }, |
549 | {"fadd", 1, 0xd8c0, X, FP|ShortForm, { FloatReg, 0, 0} }, /* alias for fadd %st(i), %st */ | |
550 | #if UNIXWARE_COMPAT | |
551 | {"fadd", 0, 0xdec1, X, FP|Ugh, { 0, 0, 0} }, /* alias for faddp */ | |
ce868e5c | 552 | #endif |
ed44fb7a ILT |
553 | {"fadd", 1, 0xd8, 0, sl_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, |
554 | {"fiadd", 1, 0xde, 0, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, | |
555 | ||
556 | {"faddp", 2, 0xdec0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, | |
557 | {"faddp", 1, 0xdec0, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
558 | {"faddp", 0, 0xdec1, X, FP, { 0, 0, 0} }, /* alias for faddp %st, %st(1) */ | |
559 | {"faddp", 2, 0xdec0, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, | |
560 | ||
561 | /* subtract */ | |
562 | {"fsub", 2, 0xd8e0, X, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} }, | |
563 | {"fsub", 1, 0xd8e0, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
564 | #if UNIXWARE_COMPAT | |
565 | {"fsub", 0, 0xdee1, X, FP|Ugh, { 0, 0, 0} }, /* alias for fsubp */ | |
ce868e5c | 566 | #endif |
ed44fb7a ILT |
567 | {"fsub", 1, 0xd8, 4, sl_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, |
568 | {"fisub", 1, 0xde, 4, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, | |
569 | ||
570 | #if UNIXWARE_COMPAT | |
571 | {"fsubp", 2, 0xdee0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, | |
572 | {"fsubp", 1, 0xdee0, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
573 | {"fsubp", 0, 0xdee1, X, FP, { 0, 0, 0} }, | |
574 | {"fsubp", 2, 0xdee0, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, | |
ce868e5c | 575 | #else |
ed44fb7a ILT |
576 | {"fsubp", 2, 0xdee8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, |
577 | {"fsubp", 1, 0xdee8, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
578 | {"fsubp", 0, 0xdee9, X, FP, { 0, 0, 0} }, | |
ce868e5c | 579 | #endif |
ed44fb7a ILT |
580 | |
581 | /* subtract reverse */ | |
582 | {"fsubr", 2, 0xd8e8, X, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} }, | |
583 | {"fsubr", 1, 0xd8e8, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
584 | #if UNIXWARE_COMPAT | |
585 | {"fsubr", 0, 0xdee9, X, FP|Ugh, { 0, 0, 0} }, /* alias for fsubrp */ | |
ce868e5c | 586 | #endif |
ed44fb7a ILT |
587 | {"fsubr", 1, 0xd8, 5, sl_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, |
588 | {"fisubr", 1, 0xde, 5, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, | |
589 | ||
590 | #if UNIXWARE_COMPAT | |
591 | {"fsubrp", 2, 0xdee8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, | |
592 | {"fsubrp", 1, 0xdee8, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
593 | {"fsubrp", 0, 0xdee9, X, FP, { 0, 0, 0} }, | |
594 | {"fsubrp", 2, 0xdee8, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, | |
ce868e5c | 595 | #else |
ed44fb7a ILT |
596 | {"fsubrp", 2, 0xdee0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, |
597 | {"fsubrp", 1, 0xdee0, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
598 | {"fsubrp", 0, 0xdee1, X, FP, { 0, 0, 0} }, | |
ce868e5c | 599 | #endif |
ed44fb7a ILT |
600 | |
601 | /* multiply */ | |
602 | {"fmul", 2, 0xd8c8, X, FP|ShortForm|FloatD, { FloatReg, FloatAcc, 0} }, | |
603 | {"fmul", 1, 0xd8c8, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
604 | #if UNIXWARE_COMPAT | |
605 | {"fmul", 0, 0xdec9, X, FP|Ugh, { 0, 0, 0} }, /* alias for fmulp */ | |
606 | #endif | |
607 | {"fmul", 1, 0xd8, 1, sl_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, | |
608 | {"fimul", 1, 0xde, 1, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, | |
609 | ||
610 | {"fmulp", 2, 0xdec8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, | |
611 | {"fmulp", 1, 0xdec8, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
612 | {"fmulp", 0, 0xdec9, X, FP, { 0, 0, 0} }, | |
613 | {"fmulp", 2, 0xdec8, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, | |
614 | ||
615 | /* divide */ | |
616 | {"fdiv", 2, 0xd8f0, X, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} }, | |
617 | {"fdiv", 1, 0xd8f0, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
618 | #if UNIXWARE_COMPAT | |
619 | {"fdiv", 0, 0xdef1, X, FP|Ugh, { 0, 0, 0} }, /* alias for fdivp */ | |
ce868e5c | 620 | #endif |
ed44fb7a ILT |
621 | {"fdiv", 1, 0xd8, 6, sl_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, |
622 | {"fidiv", 1, 0xde, 6, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, | |
623 | ||
624 | #if UNIXWARE_COMPAT | |
625 | {"fdivp", 2, 0xdef0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, | |
626 | {"fdivp", 1, 0xdef0, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
627 | {"fdivp", 0, 0xdef1, X, FP, { 0, 0, 0} }, | |
628 | {"fdivp", 2, 0xdef0, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, | |
ce868e5c | 629 | #else |
ed44fb7a ILT |
630 | {"fdivp", 2, 0xdef8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, |
631 | {"fdivp", 1, 0xdef8, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
632 | {"fdivp", 0, 0xdef9, X, FP, { 0, 0, 0} }, | |
ce868e5c | 633 | #endif |
ed44fb7a ILT |
634 | |
635 | /* divide reverse */ | |
636 | {"fdivr", 2, 0xd8f8, X, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} }, | |
637 | {"fdivr", 1, 0xd8f8, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
638 | #if UNIXWARE_COMPAT | |
639 | {"fdivr", 0, 0xdef9, X, FP|Ugh, { 0, 0, 0} }, /* alias for fdivrp */ | |
640 | #endif | |
641 | {"fdivr", 1, 0xd8, 7, sl_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} }, | |
642 | {"fidivr", 1, 0xde, 7, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} }, | |
643 | ||
644 | #if UNIXWARE_COMPAT | |
645 | {"fdivrp", 2, 0xdef8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, | |
646 | {"fdivrp", 1, 0xdef8, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
647 | {"fdivrp", 0, 0xdef9, X, FP, { 0, 0, 0} }, | |
648 | {"fdivrp", 2, 0xdef8, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} }, | |
ce868e5c | 649 | #else |
ed44fb7a ILT |
650 | {"fdivrp", 2, 0xdef0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} }, |
651 | {"fdivrp", 1, 0xdef0, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
652 | {"fdivrp", 0, 0xdef1, X, FP, { 0, 0, 0} }, | |
ce868e5c | 653 | #endif |
ed44fb7a ILT |
654 | |
655 | {"f2xm1", 0, 0xd9f0, X, FP, { 0, 0, 0} }, | |
656 | {"fyl2x", 0, 0xd9f1, X, FP, { 0, 0, 0} }, | |
657 | {"fptan", 0, 0xd9f2, X, FP, { 0, 0, 0} }, | |
658 | {"fpatan", 0, 0xd9f3, X, FP, { 0, 0, 0} }, | |
659 | {"fxtract",0, 0xd9f4, X, FP, { 0, 0, 0} }, | |
660 | {"fprem1", 0, 0xd9f5, X, FP, { 0, 0, 0} }, | |
661 | {"fdecstp",0, 0xd9f6, X, FP, { 0, 0, 0} }, | |
662 | {"fincstp",0, 0xd9f7, X, FP, { 0, 0, 0} }, | |
663 | {"fprem", 0, 0xd9f8, X, FP, { 0, 0, 0} }, | |
664 | {"fyl2xp1",0, 0xd9f9, X, FP, { 0, 0, 0} }, | |
665 | {"fsqrt", 0, 0xd9fa, X, FP, { 0, 0, 0} }, | |
666 | {"fsincos",0, 0xd9fb, X, FP, { 0, 0, 0} }, | |
667 | {"frndint",0, 0xd9fc, X, FP, { 0, 0, 0} }, | |
668 | {"fscale", 0, 0xd9fd, X, FP, { 0, 0, 0} }, | |
669 | {"fsin", 0, 0xd9fe, X, FP, { 0, 0, 0} }, | |
670 | {"fcos", 0, 0xd9ff, X, FP, { 0, 0, 0} }, | |
671 | {"fchs", 0, 0xd9e0, X, FP, { 0, 0, 0} }, | |
672 | {"fabs", 0, 0xd9e1, X, FP, { 0, 0, 0} }, | |
ce868e5c JG |
673 | |
674 | /* processor control */ | |
ed44fb7a ILT |
675 | {"fninit", 0, 0xdbe3, X, FP, { 0, 0, 0} }, |
676 | {"finit", 0, 0xdbe3, X, FP|FWait, { 0, 0, 0} }, | |
677 | {"fldcw", 1, 0xd9, 5, FP|Modrm, { ShortMem, 0, 0} }, | |
678 | {"fnstcw", 1, 0xd9, 7, FP|Modrm, { ShortMem, 0, 0} }, | |
679 | {"fstcw", 1, 0xd9, 7, FP|FWait|Modrm, { ShortMem, 0, 0} }, | |
680 | {"fnstsw", 1, 0xdfe0, X, FP, { Acc, 0, 0} }, | |
681 | {"fnstsw", 1, 0xdd, 7, FP|Modrm, { ShortMem, 0, 0} }, | |
682 | {"fnstsw", 0, 0xdfe0, X, FP, { 0, 0, 0} }, | |
683 | {"fstsw", 1, 0xdfe0, X, FP|FWait, { Acc, 0, 0} }, | |
684 | {"fstsw", 1, 0xdd, 7, FP|FWait|Modrm, { ShortMem, 0, 0} }, | |
685 | {"fstsw", 0, 0xdfe0, X, FP|FWait, { 0, 0, 0} }, | |
686 | {"fnclex", 0, 0xdbe2, X, FP, { 0, 0, 0} }, | |
687 | {"fclex", 0, 0xdbe2, X, FP|FWait, { 0, 0, 0} }, | |
ed44fb7a | 688 | /* Short forms of fldenv, fstenv use data size prefix. |
038915c9 ILT |
689 | FIXME: Are these the right suffixes? */ |
690 | {"fnstenv",1, 0xd9, 6, sl_Suf|Modrm, { LLongMem, 0, 0} }, | |
691 | {"fstenv", 1, 0xd9, 6, sl_Suf|FWait|Modrm, { LLongMem, 0, 0} }, | |
692 | {"fldenv", 1, 0xd9, 4, sl_Suf|Modrm, { LLongMem, 0, 0} }, | |
693 | {"fnsave", 1, 0xdd, 6, sl_Suf|Modrm, { LLongMem, 0, 0} }, | |
694 | {"fsave", 1, 0xdd, 6, sl_Suf|FWait|Modrm, { LLongMem, 0, 0} }, | |
695 | {"frstor", 1, 0xdd, 4, sl_Suf|Modrm, { LLongMem, 0, 0} }, | |
ed44fb7a ILT |
696 | |
697 | {"ffree", 1, 0xddc0, X, FP|ShortForm, { FloatReg, 0, 0} }, | |
527cabaf | 698 | /* P6:free st(i), pop st */ |
ed44fb7a ILT |
699 | {"ffreep", 1, 0xdfc0, X, FP|ShortForm, { FloatReg, 0, 0} }, |
700 | {"fnop", 0, 0xd9d0, X, FP, { 0, 0, 0} }, | |
ffd42166 | 701 | #define FWAIT_OPCODE 0x9b |
ed44fb7a | 702 | {"fwait", 0, 0x9b, X, FP, { 0, 0, 0} }, |
ce868e5c JG |
703 | |
704 | /* | |
705 | opcode prefixes; we allow them as seperate insns too | |
ce868e5c | 706 | */ |
038915c9 | 707 | #define ADDR_PREFIX_OPCODE 0x67 |
b8e4d255 ILT |
708 | {"addr16", 0, 0x67, X, NoSuf|IsPrefix|Size16|IgnoreSize, { 0, 0, 0} }, |
709 | {"addr32", 0, 0x67, X, NoSuf|IsPrefix|Size32|IgnoreSize, { 0, 0, 0} }, | |
710 | {"aword", 0, 0x67, X, NoSuf|IsPrefix|Size16|IgnoreSize, { 0, 0, 0} }, | |
711 | {"adword", 0, 0x67, X, NoSuf|IsPrefix|Size32|IgnoreSize, { 0, 0, 0} }, | |
038915c9 | 712 | #define DATA_PREFIX_OPCODE 0x66 |
b8e4d255 ILT |
713 | {"data16", 0, 0x66, X, NoSuf|IsPrefix|Size16|IgnoreSize, { 0, 0, 0} }, |
714 | {"data32", 0, 0x66, X, NoSuf|IsPrefix|Size32|IgnoreSize, { 0, 0, 0} }, | |
715 | {"word", 0, 0x66, X, NoSuf|IsPrefix|Size16|IgnoreSize, { 0, 0, 0} }, | |
716 | {"dword", 0, 0x66, X, NoSuf|IsPrefix|Size32|IgnoreSize, { 0, 0, 0} }, | |
038915c9 ILT |
717 | #define LOCK_PREFIX_OPCODE 0xf0 |
718 | {"lock", 0, 0xf0, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
719 | {"wait", 0, 0x9b, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
720 | #define CS_PREFIX_OPCODE 0x2e | |
721 | {"cs", 0, 0x2e, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
722 | #define DS_PREFIX_OPCODE 0x3e | |
723 | {"ds", 0, 0x3e, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
724 | #define ES_PREFIX_OPCODE 0x26 | |
725 | {"es", 0, 0x26, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
726 | #define FS_PREFIX_OPCODE 0x64 | |
727 | {"fs", 0, 0x64, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
728 | #define GS_PREFIX_OPCODE 0x65 | |
729 | {"gs", 0, 0x65, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
730 | #define SS_PREFIX_OPCODE 0x36 | |
731 | {"ss", 0, 0x36, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
732 | #define REPNE_PREFIX_OPCODE 0xf2 | |
733 | #define REPE_PREFIX_OPCODE 0xf3 | |
734 | {"rep", 0, 0xf3, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
735 | {"repe", 0, 0xf3, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
736 | {"repz", 0, 0xf3, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
737 | {"repne", 0, 0xf2, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
738 | {"repnz", 0, 0xf2, X, NoSuf|IsPrefix, { 0, 0, 0} }, | |
fc0d7441 ILT |
739 | |
740 | /* 486 extensions */ | |
741 | ||
ed44fb7a ILT |
742 | {"bswap", 1, 0x0fc8, X, NoSuf|ShortForm, { Reg32,0,0 } }, |
743 | {"xadd", 2, 0x0fc0, X, bwl_Suf|W|Modrm, { Reg, Reg|AnyMem, 0 } }, | |
744 | {"cmpxchg", 2, 0x0fb0, X, bwl_Suf|W|Modrm, { Reg, Reg|AnyMem, 0 } }, | |
745 | {"invd", 0, 0x0f08, X, NoSuf, { 0, 0, 0} }, | |
746 | {"wbinvd", 0, 0x0f09, X, NoSuf, { 0, 0, 0} }, | |
747 | {"invlpg", 1, 0x0f01, 7, NoSuf|Modrm, { AnyMem, 0, 0} }, | |
fc0d7441 | 748 | |
cd22144a | 749 | /* 586 and late 486 extensions */ |
ed44fb7a | 750 | {"cpuid", 0, 0x0fa2, X, NoSuf, { 0, 0, 0} }, |
cd22144a KR |
751 | |
752 | /* Pentium extensions */ | |
ed44fb7a ILT |
753 | {"wrmsr", 0, 0x0f30, X, NoSuf, { 0, 0, 0} }, |
754 | {"rdtsc", 0, 0x0f31, X, NoSuf, { 0, 0, 0} }, | |
755 | {"rdmsr", 0, 0x0f32, X, NoSuf, { 0, 0, 0} }, | |
756 | {"cmpxchg8b",1,0x0fc7, 1, NoSuf|Modrm, { LLongMem, 0, 0} }, | |
59e907e3 UD |
757 | {"sysenter", 0, 0x0f34, X, NoSuf, { 0, 0, 0} }, |
758 | {"sysexit", 0, 0x0f35, X, NoSuf, { 0, 0, 0} }, | |
759 | {"fxsave", 1, 0x0fae, 0, sl_Suf|Modrm, { LLongMem, 0, 0} }, | |
760 | {"fxrstor", 1, 0x0fae, 1, sl_Suf|Modrm, { LLongMem, 0, 0} }, | |
527cabaf ILT |
761 | |
762 | /* Pentium Pro extensions */ | |
ed44fb7a ILT |
763 | {"rdpmc", 0, 0x0f33, X, NoSuf, { 0, 0, 0} }, |
764 | ||
765 | {"ud2", 0, 0x0f0b, X, NoSuf, { 0, 0, 0} }, /* official undefined instr. */ | |
59e907e3 UD |
766 | {"ud2a", 0, 0x0f0b, X, NoSuf, { 0, 0, 0} }, /* alias for ud2 */ |
767 | {"ud2b", 0, 0x0fb9, X, NoSuf, { 0, 0, 0} }, /* 2nd. official undefined instr. */ | |
ed44fb7a ILT |
768 | |
769 | {"cmovo", 2, 0x0f40, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
770 | {"cmovno", 2, 0x0f41, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
771 | {"cmovb", 2, 0x0f42, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
772 | {"cmovae", 2, 0x0f43, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
773 | {"cmove", 2, 0x0f44, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
774 | {"cmovne", 2, 0x0f45, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
775 | {"cmovbe", 2, 0x0f46, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
776 | {"cmova", 2, 0x0f47, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
777 | {"cmovs", 2, 0x0f48, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
778 | {"cmovns", 2, 0x0f49, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
779 | {"cmovp", 2, 0x0f4a, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
780 | {"cmovnp", 2, 0x0f4b, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
781 | {"cmovl", 2, 0x0f4c, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
782 | {"cmovge", 2, 0x0f4d, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
783 | {"cmovle", 2, 0x0f4e, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
784 | {"cmovg", 2, 0x0f4f, X, wl_Suf|ReverseModrm, { WordReg|WordMem, WordReg, 0} }, | |
785 | ||
786 | {"fcmovb", 2, 0xdac0, X, NoSuf|ShortForm, { FloatReg, FloatAcc, 0} }, | |
787 | {"fcmove", 2, 0xdac8, X, NoSuf|ShortForm, { FloatReg, FloatAcc, 0} }, | |
788 | {"fcmovbe", 2, 0xdad0, X, NoSuf|ShortForm, { FloatReg, FloatAcc, 0} }, | |
789 | {"fcmovu", 2, 0xdad8, X, NoSuf|ShortForm, { FloatReg, FloatAcc, 0} }, | |
790 | {"fcmovnb", 2, 0xdbc0, X, NoSuf|ShortForm, { FloatReg, FloatAcc, 0} }, | |
791 | {"fcmovne", 2, 0xdbc8, X, NoSuf|ShortForm, { FloatReg, FloatAcc, 0} }, | |
792 | {"fcmovnbe",2, 0xdbd0, X, NoSuf|ShortForm, { FloatReg, FloatAcc, 0} }, | |
793 | {"fcmovnu", 2, 0xdbd8, X, NoSuf|ShortForm, { FloatReg, FloatAcc, 0} }, | |
794 | ||
795 | {"fcomi", 2, 0xdbf0, X, NoSuf|ShortForm, { FloatReg, FloatAcc, 0} }, | |
796 | {"fucomi", 2, 0xdbe8, X, NoSuf|ShortForm, { FloatReg, FloatAcc, 0} }, | |
797 | {"fcomip", 2, 0xdff0, X, NoSuf|ShortForm, { FloatReg, FloatAcc, 0} }, | |
798 | {"fucomip", 2, 0xdfe8, X, NoSuf|ShortForm, { FloatReg, FloatAcc, 0} }, | |
cd22144a | 799 | |
3abaf930 ILT |
800 | /* MMX instructions. */ |
801 | ||
ed44fb7a ILT |
802 | {"emms", 0, 0x0f77, X, NoSuf, { 0, 0, 0 } }, |
803 | {"movd", 2, 0x0f6e, X, NoSuf|Modrm, { Reg32|LongMem, RegMMX, 0 } }, | |
804 | {"movd", 2, 0x0f7e, X, NoSuf|Modrm, { RegMMX, Reg32|LongMem, 0 } }, | |
805 | {"movq", 2, 0x0f6f, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
806 | {"movq", 2, 0x0f7f, X, NoSuf|Modrm, { RegMMX, RegMMX|LongMem, 0 } }, | |
807 | {"packssdw", 2, 0x0f6b, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
808 | {"packsswb", 2, 0x0f63, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
809 | {"packuswb", 2, 0x0f67, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
810 | {"paddb", 2, 0x0ffc, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
811 | {"paddw", 2, 0x0ffd, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
812 | {"paddd", 2, 0x0ffe, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
813 | {"paddsb", 2, 0x0fec, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
814 | {"paddsw", 2, 0x0fed, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
815 | {"paddusb", 2, 0x0fdc, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
816 | {"paddusw", 2, 0x0fdd, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
817 | {"pand", 2, 0x0fdb, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
818 | {"pandn", 2, 0x0fdf, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
819 | {"pcmpeqb", 2, 0x0f74, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
820 | {"pcmpeqw", 2, 0x0f75, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
821 | {"pcmpeqd", 2, 0x0f76, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
822 | {"pcmpgtb", 2, 0x0f64, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
823 | {"pcmpgtw", 2, 0x0f65, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
824 | {"pcmpgtd", 2, 0x0f66, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
825 | {"pmaddwd", 2, 0x0ff5, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
826 | {"pmulhw", 2, 0x0fe5, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
827 | {"pmullw", 2, 0x0fd5, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
828 | {"por", 2, 0x0feb, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
829 | {"psllw", 2, 0x0ff1, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
830 | {"psllw", 2, 0x0f71, 6, NoSuf|Modrm, { Imm8, RegMMX, 0 } }, | |
831 | {"pslld", 2, 0x0ff2, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
832 | {"pslld", 2, 0x0f72, 6, NoSuf|Modrm, { Imm8, RegMMX, 0 } }, | |
833 | {"psllq", 2, 0x0ff3, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
834 | {"psllq", 2, 0x0f73, 6, NoSuf|Modrm, { Imm8, RegMMX, 0 } }, | |
835 | {"psraw", 2, 0x0fe1, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
836 | {"psraw", 2, 0x0f71, 4, NoSuf|Modrm, { Imm8, RegMMX, 0 } }, | |
837 | {"psrad", 2, 0x0fe2, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
838 | {"psrad", 2, 0x0f72, 4, NoSuf|Modrm, { Imm8, RegMMX, 0 } }, | |
839 | {"psrlw", 2, 0x0fd1, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
840 | {"psrlw", 2, 0x0f71, 2, NoSuf|Modrm, { Imm8, RegMMX, 0 } }, | |
841 | {"psrld", 2, 0x0fd2, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
842 | {"psrld", 2, 0x0f72, 2, NoSuf|Modrm, { Imm8, RegMMX, 0 } }, | |
843 | {"psrlq", 2, 0x0fd3, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
844 | {"psrlq", 2, 0x0f73, 2, NoSuf|Modrm, { Imm8, RegMMX, 0 } }, | |
845 | {"psubb", 2, 0x0ff8, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
846 | {"psubw", 2, 0x0ff9, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
847 | {"psubd", 2, 0x0ffa, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
848 | {"psubsb", 2, 0x0fe8, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
849 | {"psubsw", 2, 0x0fe9, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
850 | {"psubusb", 2, 0x0fd8, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
851 | {"psubusw", 2, 0x0fd9, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
852 | {"punpckhbw",2, 0x0f68, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
853 | {"punpckhwd",2, 0x0f69, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
854 | {"punpckhdq",2, 0x0f6a, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
855 | {"punpcklbw",2, 0x0f60, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
856 | {"punpcklwd",2, 0x0f61, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
857 | {"punpckldq",2, 0x0f62, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
858 | {"pxor", 2, 0x0fef, X, NoSuf|Modrm, { RegMMX|LongMem, RegMMX, 0 } }, | |
3abaf930 | 859 | |
038915c9 | 860 | {NULL, 0, 0, 0, 0, { 0, 0, 0} } /* sentinel */ |
ce868e5c | 861 | }; |
77be9a8a | 862 | #undef X |
ed44fb7a ILT |
863 | #undef ReverseModrm |
864 | #undef NoSuf | |
865 | #undef b_Suf | |
866 | #undef w_Suf | |
867 | #undef l_Suf | |
868 | #undef bw_Suf | |
869 | #undef bl_Suf | |
870 | #undef wl_Suf | |
038915c9 | 871 | #undef sl_Suf |
ed44fb7a ILT |
872 | #undef bwl_Suf |
873 | #undef FP | |
874 | #undef l_FP | |
875 | #undef sl_FP | |
ce868e5c | 876 | |
038915c9 ILT |
877 | #define MAX_OPCODE_SIZE 16 /* for parsing opcodes from input */ |
878 | ||
ce868e5c JG |
879 | |
880 | /* 386 register table */ | |
881 | ||
882 | static const reg_entry i386_regtab[] = { | |
883 | /* 8 bit regs */ | |
77be9a8a ILT |
884 | {"al", Reg8|Acc, 0}, |
885 | {"cl", Reg8|ShiftCount, 1}, | |
886 | {"dl", Reg8, 2}, | |
ce868e5c | 887 | {"bl", Reg8, 3}, |
77be9a8a ILT |
888 | {"ah", Reg8, 4}, |
889 | {"ch", Reg8, 5}, | |
890 | {"dh", Reg8, 6}, | |
891 | {"bh", Reg8, 7}, | |
ce868e5c | 892 | /* 16 bit regs */ |
77be9a8a ILT |
893 | {"ax", Reg16|Acc, 0}, |
894 | {"cx", Reg16, 1}, | |
895 | {"dx", Reg16|InOutPortReg, 2}, | |
038915c9 | 896 | {"bx", Reg16|BaseIndex, 3}, |
77be9a8a | 897 | {"sp", Reg16, 4}, |
038915c9 ILT |
898 | {"bp", Reg16|BaseIndex, 5}, |
899 | {"si", Reg16|BaseIndex, 6}, | |
900 | {"di", Reg16|BaseIndex, 7}, | |
ce868e5c | 901 | /* 32 bit regs */ |
77be9a8a ILT |
902 | {"eax", Reg32|BaseIndex|Acc, 0}, |
903 | {"ecx", Reg32|BaseIndex, 1}, | |
904 | {"edx", Reg32|BaseIndex, 2}, | |
905 | {"ebx", Reg32|BaseIndex, 3}, | |
ed44fb7a | 906 | {"esp", Reg32, 4}, |
77be9a8a ILT |
907 | {"ebp", Reg32|BaseIndex, 5}, |
908 | {"esi", Reg32|BaseIndex, 6}, | |
909 | {"edi", Reg32|BaseIndex, 7}, | |
ce868e5c | 910 | /* segment registers */ |
77be9a8a ILT |
911 | {"es", SReg2, 0}, |
912 | {"cs", SReg2, 1}, | |
913 | {"ss", SReg2, 2}, | |
914 | {"ds", SReg2, 3}, | |
915 | {"fs", SReg3, 4}, | |
916 | {"gs", SReg3, 5}, | |
ce868e5c | 917 | /* control registers */ |
77be9a8a | 918 | {"cr0", Control, 0}, |
59e907e3 | 919 | {"cr1", Control, 1}, |
77be9a8a ILT |
920 | {"cr2", Control, 2}, |
921 | {"cr3", Control, 3}, | |
cd22144a | 922 | {"cr4", Control, 4}, |
59e907e3 UD |
923 | {"cr5", Control, 5}, |
924 | {"cr6", Control, 6}, | |
925 | {"cr7", Control, 7}, | |
ce868e5c | 926 | /* debug registers */ |
77be9a8a ILT |
927 | {"db0", Debug, 0}, |
928 | {"db1", Debug, 1}, | |
929 | {"db2", Debug, 2}, | |
930 | {"db3", Debug, 3}, | |
59e907e3 UD |
931 | {"db4", Debug, 4}, |
932 | {"db5", Debug, 5}, | |
77be9a8a ILT |
933 | {"db6", Debug, 6}, |
934 | {"db7", Debug, 7}, | |
935 | {"dr0", Debug, 0}, | |
936 | {"dr1", Debug, 1}, | |
937 | {"dr2", Debug, 2}, | |
938 | {"dr3", Debug, 3}, | |
59e907e3 UD |
939 | {"dr4", Debug, 4}, |
940 | {"dr5", Debug, 5}, | |
77be9a8a ILT |
941 | {"dr6", Debug, 6}, |
942 | {"dr7", Debug, 7}, | |
ce868e5c | 943 | /* test registers */ |
59e907e3 UD |
944 | {"tr0", Test, 0}, |
945 | {"tr1", Test, 1}, | |
946 | {"tr2", Test, 2}, | |
77be9a8a ILT |
947 | {"tr3", Test, 3}, |
948 | {"tr4", Test, 4}, | |
949 | {"tr5", Test, 5}, | |
950 | {"tr6", Test, 6}, | |
951 | {"tr7", Test, 7}, | |
ce868e5c JG |
952 | /* float registers */ |
953 | {"st(0)", FloatReg|FloatAcc, 0}, | |
954 | {"st", FloatReg|FloatAcc, 0}, | |
77be9a8a ILT |
955 | {"st(1)", FloatReg, 1}, |
956 | {"st(2)", FloatReg, 2}, | |
957 | {"st(3)", FloatReg, 3}, | |
958 | {"st(4)", FloatReg, 4}, | |
959 | {"st(5)", FloatReg, 5}, | |
960 | {"st(6)", FloatReg, 6}, | |
961 | {"st(7)", FloatReg, 7}, | |
962 | {"mm0", RegMMX, 0}, | |
963 | {"mm1", RegMMX, 1}, | |
964 | {"mm2", RegMMX, 2}, | |
965 | {"mm3", RegMMX, 3}, | |
966 | {"mm4", RegMMX, 4}, | |
967 | {"mm5", RegMMX, 5}, | |
968 | {"mm6", RegMMX, 6}, | |
969 | {"mm7", RegMMX, 7} | |
ce868e5c JG |
970 | }; |
971 | ||
972 | #define MAX_REG_NAME_SIZE 8 /* for parsing register names from input */ | |
973 | ||
ce868e5c JG |
974 | /* segment stuff */ |
975 | static const seg_entry cs = { "cs", 0x2e }; | |
976 | static const seg_entry ds = { "ds", 0x3e }; | |
977 | static const seg_entry ss = { "ss", 0x36 }; | |
978 | static const seg_entry es = { "es", 0x26 }; | |
979 | static const seg_entry fs = { "fs", 0x64 }; | |
980 | static const seg_entry gs = { "gs", 0x65 }; | |
ce868e5c | 981 | |
ce868e5c | 982 | /* end of i386-opcode.h */ |