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afd30973 | 1 | /* mmix-opc.c -- MMIX opcode table |
8b1ddfd7 | 2 | Copyright (C) 2001, 2003 Free Software Foundation, Inc. |
afd30973 HPN |
3 | Written by Hans-Peter Nilsson (hp@bitrange.com) |
4 | ||
5 | This file is part of GDB, GAS, and the GNU binutils. | |
6 | ||
7 | GDB, GAS, and the GNU binutils are free software; you can redistribute | |
8 | them and/or modify them under the terms of the GNU General Public | |
9 | License as published by the Free Software Foundation; either version 2, | |
10 | or (at your option) any later version. | |
11 | ||
12 | GDB, GAS, and the GNU binutils are distributed in the hope that they | |
13 | will be useful, but WITHOUT ANY WARRANTY; without even the implied | |
14 | warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
15 | the GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this file; see the file COPYING. If not, write to the Free | |
f4321104 | 19 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
afd30973 HPN |
20 | |
21 | #include <stdio.h> | |
22 | #include "opcode/mmix.h" | |
23 | #include "symcat.h" | |
24 | ||
25 | /* Register-name-table for special registers. */ | |
26 | const struct mmix_spec_reg mmix_spec_regs[] = | |
27 | { | |
28 | /* Keep rJ at top; it's the most frequently used one. */ | |
29 | {"rJ", 4}, | |
30 | {"rA", 21}, | |
31 | {"rB", 0}, | |
32 | {"rC", 8}, | |
33 | {"rD", 1}, | |
34 | {"rE", 2}, | |
35 | {"rF", 22}, | |
36 | {"rG", 19}, | |
37 | {"rH", 3}, | |
38 | {"rI", 12}, | |
39 | {"rK", 15}, | |
40 | {"rL", 20}, | |
41 | {"rM", 5}, | |
42 | {"rN", 9}, | |
43 | {"rO", 10}, | |
44 | {"rP", 23}, | |
45 | {"rQ", 16}, | |
46 | {"rR", 6}, | |
47 | {"rS", 11}, | |
48 | {"rT", 13}, | |
49 | {"rU", 17}, | |
50 | {"rV", 18}, | |
51 | {"rW", 24}, | |
52 | {"rX", 25}, | |
53 | {"rY", 26}, | |
54 | {"rZ", 27}, | |
55 | {"rBB", 7}, | |
56 | {"rTT", 14}, | |
57 | {"rWW", 28}, | |
58 | {"rXX", 29}, | |
59 | {"rYY", 30}, | |
60 | {"rZZ", 31}, | |
61 | {NULL, 0} | |
62 | }; | |
63 | ||
64 | /* Opcode-table. In order to cut down on redundant contents, we use helper | |
65 | macros. */ | |
66 | ||
67 | /* All bits in the opcode-byte are significant. Add "| ..." expressions | |
68 | to add zero-bits. */ | |
69 | #undef O | |
de7141c7 | 70 | #define O(m) ((unsigned long) (m) << 24UL), ((~(unsigned long) (m) & 255) << 24) |
afd30973 HPN |
71 | |
72 | /* Bits 7..1 of the opcode are significant. */ | |
73 | #undef Z | |
de7141c7 | 74 | #define Z(m) ((unsigned long) (m) << 24), ((~(unsigned long) (m) & 254) << 24) |
afd30973 HPN |
75 | |
76 | /* For easier overview of the table. */ | |
77 | #define N mmix_type_normal | |
78 | #define B mmix_type_branch | |
79 | #define C mmix_type_condbranch | |
80 | #define MB mmix_type_memaccess_byte | |
81 | #define MW mmix_type_memaccess_wyde | |
82 | #define MT mmix_type_memaccess_tetra | |
83 | #define MO mmix_type_memaccess_octa | |
84 | #define M mmix_type_memaccess_block | |
85 | #define J mmix_type_jsr | |
86 | #define P mmix_type_pseudo | |
87 | ||
88 | #define OP(y) XCONCAT2 (mmix_operands_,y) | |
89 | ||
90 | /* Groups of instructions specified here must, if all are matching the | |
91 | same instruction, be consecutive, in order more-specific to | |
92 | less-specific match. */ | |
93 | ||
94 | const struct mmix_opcode mmix_opcodes[] = | |
95 | { | |
96 | {"trap", O (0), OP (xyz_opt), J}, | |
97 | {"fcmp", O (1), OP (regs), N}, | |
98 | {"flot", Z (8), OP (roundregs_z), N}, | |
99 | ||
100 | {"fun", O (2), OP (regs), N}, | |
101 | {"feql", O (3), OP (regs), N}, | |
102 | {"flotu", Z (10), OP (roundregs_z), N}, | |
103 | ||
104 | {"fadd", O (4), OP (regs), N}, | |
105 | {"fix", O (5), OP (roundregs), N}, | |
106 | {"sflot", Z (12), OP (roundregs_z), N}, | |
107 | ||
108 | {"fsub", O (6), OP (regs), N}, | |
109 | {"fixu", O (7), OP (roundregs), N}, | |
110 | {"sflotu", Z (14), OP (roundregs_z), N}, | |
111 | ||
112 | {"fmul", O (16), OP (regs), N}, | |
113 | {"fcmpe", O (17), OP (regs), N}, | |
114 | {"mul", Z (24), OP (regs_z), N}, | |
115 | ||
116 | {"fune", O (18), OP (regs), N}, | |
117 | {"feqle", O (19), OP (regs), N}, | |
118 | {"mulu", Z (26), OP (regs_z), N}, | |
119 | ||
120 | {"fdiv", O (20), OP (regs), N}, | |
121 | {"fsqrt", O (21), OP (roundregs), N}, | |
122 | {"div", Z (28), OP (regs_z), N}, | |
123 | ||
124 | {"frem", O (22), OP (regs), N}, | |
125 | {"fint", O (23), OP (roundregs), N}, | |
126 | {"divu", Z (30), OP (regs_z), N}, | |
127 | ||
128 | {"add", Z (0x20), OP (regs_z), N}, | |
129 | {"2addu", Z (0x28), OP (regs_z), N}, | |
130 | ||
131 | {"addu", Z (0x22), OP (regs_z), N}, | |
132 | /* Synonym for ADDU. Put after ADDU, since we don't prefer it for | |
133 | disassembly. It's supposed to be used for addresses, so we make it | |
134 | a memory block reference for purposes of assembly. */ | |
135 | {"lda", Z (0x22), OP (regs_z_opt), M}, | |
136 | {"4addu", Z (0x2a), OP (regs_z), N}, | |
137 | ||
138 | {"sub", Z (0x24), OP (regs_z), N}, | |
139 | {"8addu", Z (0x2c), OP (regs_z), N}, | |
140 | ||
141 | {"subu", Z (0x26), OP (regs_z), N}, | |
142 | {"16addu", Z (0x2e), OP (regs_z), N}, | |
143 | ||
144 | {"cmp", Z (0x30), OP (regs_z), N}, | |
145 | {"sl", Z (0x38), OP (regs_z), N}, | |
146 | ||
147 | {"cmpu", Z (0x32), OP (regs_z), N}, | |
148 | {"slu", Z (0x3a), OP (regs_z), N}, | |
149 | ||
150 | {"neg", Z (0x34), OP (neg), N}, | |
151 | {"sr", Z (0x3c), OP (regs_z), N}, | |
152 | ||
153 | {"negu", Z (0x36), OP (neg), N}, | |
154 | {"sru", Z (0x3e), OP (regs_z), N}, | |
155 | ||
156 | {"bn", Z (0x40), OP (regaddr), C}, | |
157 | {"bnn", Z (0x48), OP (regaddr), C}, | |
158 | ||
159 | {"bz", Z (0x42), OP (regaddr), C}, | |
160 | {"bnz", Z (0x4a), OP (regaddr), C}, | |
161 | ||
162 | {"bp", Z (0x44), OP (regaddr), C}, | |
163 | {"bnp", Z (0x4c), OP (regaddr), C}, | |
164 | ||
165 | {"bod", Z (0x46), OP (regaddr), C}, | |
166 | {"bev", Z (0x4e), OP (regaddr), C}, | |
167 | ||
168 | {"pbn", Z (0x50), OP (regaddr), C}, | |
169 | {"pbnn", Z (0x58), OP (regaddr), C}, | |
170 | ||
171 | {"pbz", Z (0x52), OP (regaddr), C}, | |
172 | {"pbnz", Z (0x5a), OP (regaddr), C}, | |
173 | ||
174 | {"pbp", Z (0x54), OP (regaddr), C}, | |
175 | {"pbnp", Z (0x5c), OP (regaddr), C}, | |
176 | ||
177 | {"pbod", Z (0x56), OP (regaddr), C}, | |
178 | {"pbev", Z (0x5e), OP (regaddr), C}, | |
179 | ||
180 | {"csn", Z (0x60), OP (regs_z), N}, | |
181 | {"csnn", Z (0x68), OP (regs_z), N}, | |
182 | ||
183 | {"csz", Z (0x62), OP (regs_z), N}, | |
184 | {"csnz", Z (0x6a), OP (regs_z), N}, | |
185 | ||
186 | {"csp", Z (0x64), OP (regs_z), N}, | |
187 | {"csnp", Z (0x6c), OP (regs_z), N}, | |
188 | ||
189 | {"csod", Z (0x66), OP (regs_z), N}, | |
190 | {"csev", Z (0x6e), OP (regs_z), N}, | |
191 | ||
192 | {"zsn", Z (0x70), OP (regs_z), N}, | |
193 | {"zsnn", Z (0x78), OP (regs_z), N}, | |
194 | ||
195 | {"zsz", Z (0x72), OP (regs_z), N}, | |
196 | {"zsnz", Z (0x7a), OP (regs_z), N}, | |
197 | ||
198 | {"zsp", Z (0x74), OP (regs_z), N}, | |
199 | {"zsnp", Z (0x7c), OP (regs_z), N}, | |
200 | ||
201 | {"zsod", Z (0x76), OP (regs_z), N}, | |
202 | {"zsev", Z (0x7e), OP (regs_z), N}, | |
203 | ||
204 | {"ldb", Z (0x80), OP (regs_z_opt), MB}, | |
205 | {"ldt", Z (0x88), OP (regs_z_opt), MT}, | |
206 | ||
207 | {"ldbu", Z (0x82), OP (regs_z_opt), MB}, | |
208 | {"ldtu", Z (0x8a), OP (regs_z_opt), MT}, | |
209 | ||
210 | {"ldw", Z (0x84), OP (regs_z_opt), MW}, | |
211 | {"ldo", Z (0x8c), OP (regs_z_opt), MO}, | |
212 | ||
213 | {"ldwu", Z (0x86), OP (regs_z_opt), MW}, | |
214 | {"ldou", Z (0x8e), OP (regs_z_opt), MO}, | |
215 | ||
216 | {"ldsf", Z (0x90), OP (regs_z_opt), MT}, | |
217 | ||
218 | /* This doesn't seem to access memory, just the TLB. */ | |
219 | {"ldvts", Z (0x98), OP (regs_z_opt), M}, | |
220 | ||
221 | {"ldht", Z (0x92), OP (regs_z_opt), MT}, | |
222 | ||
223 | /* Neither does this per-se. */ | |
224 | {"preld", Z (0x9a), OP (x_regs_z), N}, | |
225 | ||
226 | {"cswap", Z (0x94), OP (regs_z_opt), MO}, | |
227 | {"prego", Z (0x9c), OP (x_regs_z), N}, | |
228 | ||
229 | {"ldunc", Z (0x96), OP (regs_z_opt), MO}, | |
8b1ddfd7 HPN |
230 | {"go", Z (GO_INSN_BYTE), |
231 | OP (regs_z_opt), B}, | |
afd30973 HPN |
232 | |
233 | {"stb", Z (0xa0), OP (regs_z_opt), MB}, | |
234 | {"stt", Z (0xa8), OP (regs_z_opt), MT}, | |
235 | ||
236 | {"stbu", Z (0xa2), OP (regs_z_opt), MB}, | |
237 | {"sttu", Z (0xaa), OP (regs_z_opt), MT}, | |
238 | ||
239 | {"stw", Z (0xa4), OP (regs_z_opt), MW}, | |
240 | {"sto", Z (0xac), OP (regs_z_opt), MO}, | |
241 | ||
242 | {"stwu", Z (0xa6), OP (regs_z_opt), MW}, | |
243 | {"stou", Z (0xae), OP (regs_z_opt), MO}, | |
244 | ||
245 | {"stsf", Z (0xb0), OP (regs_z_opt), MT}, | |
246 | {"syncd", Z (0xb8), OP (x_regs_z), M}, | |
247 | ||
248 | {"stht", Z (0xb2), OP (regs_z_opt), MT}, | |
249 | {"prest", Z (0xba), OP (x_regs_z), M}, | |
250 | ||
251 | {"stco", Z (0xb4), OP (x_regs_z), MO}, | |
252 | {"syncid", Z (0xbc), OP (x_regs_z), M}, | |
253 | ||
254 | {"stunc", Z (0xb6), OP (regs_z_opt), MO}, | |
8b1ddfd7 HPN |
255 | {"pushgo", Z (PUSHGO_INSN_BYTE), |
256 | OP (pushgo), J}, | |
afd30973 HPN |
257 | |
258 | /* Synonym for OR with a zero Z. */ | |
259 | {"set", O (0xc1) | |
260 | | 0xff, OP (set), N}, | |
261 | ||
262 | {"or", Z (0xc0), OP (regs_z), N}, | |
263 | {"and", Z (0xc8), OP (regs_z), N}, | |
264 | ||
265 | {"orn", Z (0xc2), OP (regs_z), N}, | |
266 | {"andn", Z (0xca), OP (regs_z), N}, | |
267 | ||
268 | {"nor", Z (0xc4), OP (regs_z), N}, | |
269 | {"nand", Z (0xcc), OP (regs_z), N}, | |
270 | ||
271 | {"xor", Z (0xc6), OP (regs_z), N}, | |
272 | {"nxor", Z (0xce), OP (regs_z), N}, | |
273 | ||
274 | {"bdif", Z (0xd0), OP (regs_z), N}, | |
275 | {"mux", Z (0xd8), OP (regs_z), N}, | |
276 | ||
277 | {"wdif", Z (0xd2), OP (regs_z), N}, | |
278 | {"sadd", Z (0xda), OP (regs_z), N}, | |
279 | ||
280 | {"tdif", Z (0xd4), OP (regs_z), N}, | |
281 | {"mor", Z (0xdc), OP (regs_z), N}, | |
282 | ||
283 | {"odif", Z (0xd6), OP (regs_z), N}, | |
284 | {"mxor", Z (0xde), OP (regs_z), N}, | |
285 | ||
286 | {"seth", O (0xe0), OP (reg_yz), N}, | |
287 | {"setmh", O (0xe1), OP (reg_yz), N}, | |
288 | {"orh", O (0xe8), OP (reg_yz), N}, | |
289 | {"ormh", O (0xe9), OP (reg_yz), N}, | |
290 | ||
291 | {"setml", O (0xe2), OP (reg_yz), N}, | |
8b1ddfd7 HPN |
292 | {"setl", O (SETL_INSN_BYTE), |
293 | OP (reg_yz), N}, | |
afd30973 HPN |
294 | {"orml", O (0xea), OP (reg_yz), N}, |
295 | {"orl", O (0xeb), OP (reg_yz), N}, | |
296 | ||
8b1ddfd7 HPN |
297 | {"inch", O (INCH_INSN_BYTE), |
298 | OP (reg_yz), N}, | |
299 | {"incmh", O (INCMH_INSN_BYTE), | |
300 | OP (reg_yz), N}, | |
afd30973 HPN |
301 | {"andnh", O (0xec), OP (reg_yz), N}, |
302 | {"andnmh", O (0xed), OP (reg_yz), N}, | |
303 | ||
8b1ddfd7 HPN |
304 | {"incml", O (INCML_INSN_BYTE), |
305 | OP (reg_yz), N}, | |
afd30973 HPN |
306 | {"incl", O (0xe7), OP (reg_yz), N}, |
307 | {"andnml", O (0xee), OP (reg_yz), N}, | |
308 | {"andnl", O (0xef), OP (reg_yz), N}, | |
309 | ||
310 | {"jmp", Z (0xf0), OP (jmp), B}, | |
311 | {"pop", O (0xf8), OP (pop), B}, | |
312 | {"resume", O (0xf9) | |
313 | | 0xffff00, OP (resume), B}, | |
314 | ||
315 | {"pushj", Z (0xf2), OP (pushj), J}, | |
316 | {"save", O (0xfa) | |
317 | | 0xffff, OP (save), M}, | |
318 | {"unsave", O (0xfb) | |
319 | | 0xffff00, OP (unsave), M}, | |
320 | ||
321 | {"geta", Z (0xf4), OP (regaddr), N}, | |
322 | {"sync", O (0xfc), OP (sync), N}, | |
8b1ddfd7 HPN |
323 | {"swym", O (SWYM_INSN_BYTE), |
324 | OP (xyz_opt), N}, | |
afd30973 HPN |
325 | |
326 | {"put", Z (0xf6) | 0xff00, OP (put), N}, | |
327 | {"get", O (0xfe) | 0xffe0, OP (get), N}, | |
328 | {"trip", O (0xff), OP (xyz_opt), J}, | |
329 | ||
330 | /* We have mmixal pseudos in the ordinary instruction table so we can | |
331 | avoid the "set" vs. ".set" ambiguity that would be the effect if we | |
332 | had pseudos handled "normally" and defined NO_PSEUDO_DOT. | |
333 | ||
334 | Note that IS and GREG are handled fully by md_start_line_hook, so | |
335 | they're not here. */ | |
336 | {"loc", ~0, ~0, OP (loc), P}, | |
337 | {"prefix", ~0, ~0, OP (prefix), P}, | |
338 | {"byte", ~0, ~0, OP (byte), P}, | |
339 | {"wyde", ~0, ~0, OP (wyde), P}, | |
340 | {"tetra", ~0, ~0, OP (tetra), P}, | |
341 | {"octa", ~0, ~0, OP (octa), P}, | |
342 | {"local", ~0, ~0, OP (local), P}, | |
343 | {"bspec", ~0, ~0, OP (bspec), P}, | |
344 | {"espec", ~0, ~0, OP (espec), P}, | |
345 | ||
346 | {NULL, ~0, ~0, OP (none), N} | |
347 | }; |