1 // i386 register table.
3 // Free Software Foundation, Inc.
5 // This file is part of the GNU opcodes library.
7 // This library is free software; you can redistribute it and/or modify
8 // it under the terms of the GNU General Public License as published by
9 // the Free Software Foundation; either version 3, or (at your option)
12 // It is distributed in the hope that it will be useful, but WITHOUT
13 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 // License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with GAS; see the file COPYING. If not, write to the Free
19 // Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
22 // Make %st first as we test for it.
23 st, FloatReg|FloatAcc, 0, 0, 11, 33
25 al, Reg8|Acc|Byte, 0, 0, Dw2Inval, Dw2Inval
26 cl, Reg8|ShiftCount, 0, 1, Dw2Inval, Dw2Inval
27 dl, Reg8, 0, 2, Dw2Inval, Dw2Inval
28 bl, Reg8, 0, 3, Dw2Inval, Dw2Inval
29 ah, Reg8, 0, 4, Dw2Inval, Dw2Inval
30 ch, Reg8, 0, 5, Dw2Inval, Dw2Inval
31 dh, Reg8, 0, 6, Dw2Inval, Dw2Inval
32 bh, Reg8, 0, 7, Dw2Inval, Dw2Inval
33 axl, Reg8|Acc|Byte, RegRex64, 0, Dw2Inval, Dw2Inval
34 cxl, Reg8, RegRex64, 1, Dw2Inval, Dw2Inval
35 dxl, Reg8, RegRex64, 2, Dw2Inval, Dw2Inval
36 bxl, Reg8, RegRex64, 3, Dw2Inval, Dw2Inval
37 spl, Reg8, RegRex64, 4, Dw2Inval, Dw2Inval
38 bpl, Reg8, RegRex64, 5, Dw2Inval, Dw2Inval
39 sil, Reg8, RegRex64, 6, Dw2Inval, Dw2Inval
40 dil, Reg8, RegRex64, 7, Dw2Inval, Dw2Inval
41 r8b, Reg8, RegRex|RegRex64, 0, Dw2Inval, Dw2Inval
42 r9b, Reg8, RegRex|RegRex64, 1, Dw2Inval, Dw2Inval
43 r10b, Reg8, RegRex|RegRex64, 2, Dw2Inval, Dw2Inval
44 r11b, Reg8, RegRex|RegRex64, 3, Dw2Inval, Dw2Inval
45 r12b, Reg8, RegRex|RegRex64, 4, Dw2Inval, Dw2Inval
46 r13b, Reg8, RegRex|RegRex64, 5, Dw2Inval, Dw2Inval
47 r14b, Reg8, RegRex|RegRex64, 6, Dw2Inval, Dw2Inval
48 r15b, Reg8, RegRex|RegRex64, 7, Dw2Inval, Dw2Inval
50 ax, Reg16|Acc|Word, 0, 0, Dw2Inval, Dw2Inval
51 cx, Reg16, 0, 1, Dw2Inval, Dw2Inval
52 dx, Reg16|InOutPortReg, 0, 2, Dw2Inval, Dw2Inval
53 bx, Reg16|BaseIndex, 0, 3, Dw2Inval, Dw2Inval
54 sp, Reg16, 0, 4, Dw2Inval, Dw2Inval
55 bp, Reg16|BaseIndex, 0, 5, Dw2Inval, Dw2Inval
56 si, Reg16|BaseIndex, 0, 6, Dw2Inval, Dw2Inval
57 di, Reg16|BaseIndex, 0, 7, Dw2Inval, Dw2Inval
58 r8w, Reg16, RegRex, 0, Dw2Inval, Dw2Inval
59 r9w, Reg16, RegRex, 1, Dw2Inval, Dw2Inval
60 r10w, Reg16, RegRex, 2, Dw2Inval, Dw2Inval
61 r11w, Reg16, RegRex, 3, Dw2Inval, Dw2Inval
62 r12w, Reg16, RegRex, 4, Dw2Inval, Dw2Inval
63 r13w, Reg16, RegRex, 5, Dw2Inval, Dw2Inval
64 r14w, Reg16, RegRex, 6, Dw2Inval, Dw2Inval
65 r15w, Reg16, RegRex, 7, Dw2Inval, Dw2Inval
67 eax, Reg32|BaseIndex|Acc|Dword, 0, 0, 0, Dw2Inval
68 ecx, Reg32|BaseIndex, 0, 1, 1, Dw2Inval
69 edx, Reg32|BaseIndex, 0, 2, 2, Dw2Inval
70 ebx, Reg32|BaseIndex, 0, 3, 3, Dw2Inval
71 esp, Reg32, 0, 4, 4, Dw2Inval
72 ebp, Reg32|BaseIndex, 0, 5, 5, Dw2Inval
73 esi, Reg32|BaseIndex, 0, 6, 6, Dw2Inval
74 edi, Reg32|BaseIndex, 0, 7, 7, Dw2Inval
75 r8d, Reg32|BaseIndex, RegRex, 0, Dw2Inval, Dw2Inval
76 r9d, Reg32|BaseIndex, RegRex, 1, Dw2Inval, Dw2Inval
77 r10d, Reg32|BaseIndex, RegRex, 2, Dw2Inval, Dw2Inval
78 r11d, Reg32|BaseIndex, RegRex, 3, Dw2Inval, Dw2Inval
79 r12d, Reg32|BaseIndex, RegRex, 4, Dw2Inval, Dw2Inval
80 r13d, Reg32|BaseIndex, RegRex, 5, Dw2Inval, Dw2Inval
81 r14d, Reg32|BaseIndex, RegRex, 6, Dw2Inval, Dw2Inval
82 r15d, Reg32|BaseIndex, RegRex, 7, Dw2Inval, Dw2Inval
83 rax, Reg64|BaseIndex|Acc|Qword, 0, 0, Dw2Inval, 0
84 rcx, Reg64|BaseIndex, 0, 1, Dw2Inval, 2
85 rdx, Reg64|BaseIndex, 0, 2, Dw2Inval, 1
86 rbx, Reg64|BaseIndex, 0, 3, Dw2Inval, 3
87 rsp, Reg64, 0, 4, Dw2Inval, 7
88 rbp, Reg64|BaseIndex, 0, 5, Dw2Inval, 6
89 rsi, Reg64|BaseIndex, 0, 6, Dw2Inval, 4
90 rdi, Reg64|BaseIndex, 0, 7, Dw2Inval, 5
91 r8, Reg64|BaseIndex, RegRex, 0, Dw2Inval, 8
92 r9, Reg64|BaseIndex, RegRex, 1, Dw2Inval, 9
93 r10, Reg64|BaseIndex, RegRex, 2, Dw2Inval, 10
94 r11, Reg64|BaseIndex, RegRex, 3, Dw2Inval, 11
95 r12, Reg64|BaseIndex, RegRex, 4, Dw2Inval, 12
96 r13, Reg64|BaseIndex, RegRex, 5, Dw2Inval, 13
97 r14, Reg64|BaseIndex, RegRex, 6, Dw2Inval, 14
98 r15, Reg64|BaseIndex, RegRex, 7, Dw2Inval, 15
100 es, SReg2, 0, 0, 40, 50
101 cs, SReg2, 0, 1, 41, 51
102 ss, SReg2, 0, 2, 42, 52
103 ds, SReg2, 0, 3, 43, 53
104 fs, SReg3, 0, 4, 44, 54
105 gs, SReg3, 0, 5, 45, 55
106 flat, SReg3, 0, RegFlat, Dw2Inval, Dw2Inval
107 // Control registers.
108 cr0, Control, 0, 0, Dw2Inval, Dw2Inval
109 cr1, Control, 0, 1, Dw2Inval, Dw2Inval
110 cr2, Control, 0, 2, Dw2Inval, Dw2Inval
111 cr3, Control, 0, 3, Dw2Inval, Dw2Inval
112 cr4, Control, 0, 4, Dw2Inval, Dw2Inval
113 cr5, Control, 0, 5, Dw2Inval, Dw2Inval
114 cr6, Control, 0, 6, Dw2Inval, Dw2Inval
115 cr7, Control, 0, 7, Dw2Inval, Dw2Inval
116 cr8, Control, RegRex, 0, Dw2Inval, Dw2Inval
117 cr9, Control, RegRex, 1, Dw2Inval, Dw2Inval
118 cr10, Control, RegRex, 2, Dw2Inval, Dw2Inval
119 cr11, Control, RegRex, 3, Dw2Inval, Dw2Inval
120 cr12, Control, RegRex, 4, Dw2Inval, Dw2Inval
121 cr13, Control, RegRex, 5, Dw2Inval, Dw2Inval
122 cr14, Control, RegRex, 6, Dw2Inval, Dw2Inval
123 cr15, Control, RegRex, 7, Dw2Inval, Dw2Inval
125 db0, Debug, 0, 0, Dw2Inval, Dw2Inval
126 db1, Debug, 0, 1, Dw2Inval, Dw2Inval
127 db2, Debug, 0, 2, Dw2Inval, Dw2Inval
128 db3, Debug, 0, 3, Dw2Inval, Dw2Inval
129 db4, Debug, 0, 4, Dw2Inval, Dw2Inval
130 db5, Debug, 0, 5, Dw2Inval, Dw2Inval
131 db6, Debug, 0, 6, Dw2Inval, Dw2Inval
132 db7, Debug, 0, 7, Dw2Inval, Dw2Inval
133 db8, Debug, RegRex, 0, Dw2Inval, Dw2Inval
134 db9, Debug, RegRex, 1, Dw2Inval, Dw2Inval
135 db10, Debug, RegRex, 2, Dw2Inval, Dw2Inval
136 db11, Debug, RegRex, 3, Dw2Inval, Dw2Inval
137 db12, Debug, RegRex, 4, Dw2Inval, Dw2Inval
138 db13, Debug, RegRex, 5, Dw2Inval, Dw2Inval
139 db14, Debug, RegRex, 6, Dw2Inval, Dw2Inval
140 db15, Debug, RegRex, 7, Dw2Inval, Dw2Inval
141 dr0, Debug, 0, 0, Dw2Inval, Dw2Inval
142 dr1, Debug, 0, 1, Dw2Inval, Dw2Inval
143 dr2, Debug, 0, 2, Dw2Inval, Dw2Inval
144 dr3, Debug, 0, 3, Dw2Inval, Dw2Inval
145 dr4, Debug, 0, 4, Dw2Inval, Dw2Inval
146 dr5, Debug, 0, 5, Dw2Inval, Dw2Inval
147 dr6, Debug, 0, 6, Dw2Inval, Dw2Inval
148 dr7, Debug, 0, 7, Dw2Inval, Dw2Inval
149 dr8, Debug, RegRex, 0, Dw2Inval, Dw2Inval
150 dr9, Debug, RegRex, 1, Dw2Inval, Dw2Inval
151 dr10, Debug, RegRex, 2, Dw2Inval, Dw2Inval
152 dr11, Debug, RegRex, 3, Dw2Inval, Dw2Inval
153 dr12, Debug, RegRex, 4, Dw2Inval, Dw2Inval
154 dr13, Debug, RegRex, 5, Dw2Inval, Dw2Inval
155 dr14, Debug, RegRex, 6, Dw2Inval, Dw2Inval
156 dr15, Debug, RegRex, 7, Dw2Inval, Dw2Inval
158 tr0, Test, 0, 0, Dw2Inval, Dw2Inval
159 tr1, Test, 0, 1, Dw2Inval, Dw2Inval
160 tr2, Test, 0, 2, Dw2Inval, Dw2Inval
161 tr3, Test, 0, 3, Dw2Inval, Dw2Inval
162 tr4, Test, 0, 4, Dw2Inval, Dw2Inval
163 tr5, Test, 0, 5, Dw2Inval, Dw2Inval
164 tr6, Test, 0, 6, Dw2Inval, Dw2Inval
165 tr7, Test, 0, 7, Dw2Inval, Dw2Inval
166 // MMX and simd registers.
167 mm0, RegMMX, 0, 0, 29, 41
168 mm1, RegMMX, 0, 1, 30, 42
169 mm2, RegMMX, 0, 2, 31, 43
170 mm3, RegMMX, 0, 3, 32, 44
171 mm4, RegMMX, 0, 4, 33, 45
172 mm5, RegMMX, 0, 5, 34, 46
173 mm6, RegMMX, 0, 6, 35, 47
174 mm7, RegMMX, 0, 7, 36, 48
175 xmm0, RegXMM, 0, 0, 21, 17
176 xmm1, RegXMM, 0, 1, 22, 18
177 xmm2, RegXMM, 0, 2, 23, 19
178 xmm3, RegXMM, 0, 3, 24, 20
179 xmm4, RegXMM, 0, 4, 25, 21
180 xmm5, RegXMM, 0, 5, 26, 22
181 xmm6, RegXMM, 0, 6, 27, 23
182 xmm7, RegXMM, 0, 7, 28, 24
183 xmm8, RegXMM, RegRex, 0, Dw2Inval, 25
184 xmm9, RegXMM, RegRex, 1, Dw2Inval, 26
185 xmm10, RegXMM, RegRex, 2, Dw2Inval, 27
186 xmm11, RegXMM, RegRex, 3, Dw2Inval, 28
187 xmm12, RegXMM, RegRex, 4, Dw2Inval, 29
188 xmm13, RegXMM, RegRex, 5, Dw2Inval, 30
189 xmm14, RegXMM, RegRex, 6, Dw2Inval, 31
190 xmm15, RegXMM, RegRex, 7, Dw2Inval, 32
192 ymm0, RegYMM, 0, 0, 53, 70
193 ymm1, RegYMM, 0, 1, 54, 71
194 ymm2, RegYMM, 0, 2, 55, 72
195 ymm3, RegYMM, 0, 3, 56, 73
196 ymm4, RegYMM, 0, 4, 57, 74
197 ymm5, RegYMM, 0, 5, 58, 75
198 ymm6, RegYMM, 0, 6, 59, 76
199 ymm7, RegYMM, 0, 7, 60, 77
200 ymm8, RegYMM, RegRex, 0, Dw2Inval, 78
201 ymm9, RegYMM, RegRex, 1, Dw2Inval, 79
202 ymm10, RegYMM, RegRex, 2, Dw2Inval, 80
203 ymm11, RegYMM, RegRex, 3, Dw2Inval, 81
204 ymm12, RegYMM, RegRex, 4, Dw2Inval, 82
205 ymm13, RegYMM, RegRex, 5, Dw2Inval, 83
206 ymm14, RegYMM, RegRex, 6, Dw2Inval, 84
207 ymm15, RegYMM, RegRex, 7, Dw2Inval, 85
208 // No type will make these registers rejected for all purposes except
209 // for addressing. This saves creating one extra type for RIP/EIP.
210 rip, BaseIndex, RegRex64, RegRip, Dw2Inval, 16
211 eip, BaseIndex, RegRex64, RegEip, 8, Dw2Inval
212 // No type will make these registers rejected for all purposes except
214 eiz, BaseIndex, 0, RegEiz, Dw2Inval, Dw2Inval
215 riz, BaseIndex, 0, RegRiz, Dw2Inval, Dw2Inval
217 st(0), FloatReg|FloatAcc, 0, 0, 11, 33
218 st(1), FloatReg, 0, 1, 12, 34
219 st(2), FloatReg, 0, 2, 13, 35
220 st(3), FloatReg, 0, 3, 14, 36
221 st(4), FloatReg, 0, 4, 15, 37
222 st(5), FloatReg, 0, 5, 16, 38
223 st(6), FloatReg, 0, 6, 17, 39
224 st(7), FloatReg, 0, 7, 18, 40
225 // Pseudo-register names only used in .cfi_* directives
226 eflags, 0, 0, 0, 9, 49
227 rflags, 0, 0, 0, Dw2Inval, 49
228 fs.base, 0, 0, 0, Dw2Inval, 58
229 gs.base, 0, 0, 0, Dw2Inval, 59
231 ldtr, 0, 0, 0, 49, 63
232 // st0...7 for backward compatibility
243 mxcsr, 0, 0, 0, 39, 64