Add option -mwarn-areg-zero.
[deliverable/binutils-gdb.git] / opcodes / openrisc-opc.c
CommitLineData
87e6d782
NC
1/* Instruction opcode table for openrisc.
2
3THIS FILE IS MACHINE GENERATED WITH CGEN.
4
5Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
6
7This file is part of the GNU Binutils and/or GDB, the GNU debugger.
8
9This program is free software; you can redistribute it and/or modify
10it under the terms of the GNU General Public License as published by
11the Free Software Foundation; either version 2, or (at your option)
12any later version.
13
14This program is distributed in the hope that it will be useful,
15but WITHOUT ANY WARRANTY; without even the implied warranty of
16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17GNU General Public License for more details.
18
19You should have received a copy of the GNU General Public License along
20with this program; if not, write to the Free Software Foundation, Inc.,
2159 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22
23*/
24
25#include "sysdep.h"
26#include "ansidecl.h"
27#include "bfd.h"
28#include "symcat.h"
29#include "openrisc-desc.h"
30#include "openrisc-opc.h"
31#include "libiberty.h"
32
33/* -- opc.c */
34/* -- */
35/* The hash functions are recorded here to help keep assembler code out of
36 the disassembler and vice versa. */
37
38static int asm_hash_insn_p PARAMS ((const CGEN_INSN *));
39static unsigned int asm_hash_insn PARAMS ((const char *));
40static int dis_hash_insn_p PARAMS ((const CGEN_INSN *));
41static unsigned int dis_hash_insn PARAMS ((const char *, CGEN_INSN_INT));
42
43/* Instruction formats. */
44
45#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
46#define F(f) & openrisc_cgen_ifld_table[OPENRISC_##f]
47#else
48#define F(f) & openrisc_cgen_ifld_table[OPENRISC_/**/f]
49#endif
50static const CGEN_IFMT ifmt_empty = {
51 0, 0, 0x0, { { 0 } }
52};
53
54static const CGEN_IFMT ifmt_l_j = {
55 32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_ABS26) }, { 0 } }
56};
57
58static const CGEN_IFMT ifmt_l_jr = {
59 32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP3) }, { F (F_OP4) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
60};
61
62static const CGEN_IFMT ifmt_l_bal = {
63 32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_DISP26) }, { 0 } }
64};
65
66static const CGEN_IFMT ifmt_l_movhi = {
67 32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
68};
69
70static const CGEN_IFMT ifmt_l_mfsr = {
71 32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
72};
73
74static const CGEN_IFMT ifmt_l_mtsr = {
75 32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_I16_1) }, { 0 } }
76};
77
78static const CGEN_IFMT ifmt_l_lw = {
79 32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
80};
81
82static const CGEN_IFMT ifmt_l_sw = {
83 32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R3) }, { F (F_I16NC) }, { 0 } }
84};
85
86static const CGEN_IFMT ifmt_l_sll = {
87 32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_3) }, { F (F_OP6) }, { F (F_F_4_1) }, { F (F_OP7) }, { 0 } }
88};
89
90static const CGEN_IFMT ifmt_l_slli = {
91 32, 32, 0xfc00ffe0, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_F_15_8) }, { F (F_OP6) }, { F (F_UIMM5) }, { 0 } }
92};
93
94static const CGEN_IFMT ifmt_l_add = {
95 32, 32, 0xfc0007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_7) }, { F (F_OP7) }, { 0 } }
96};
97
98static const CGEN_IFMT ifmt_l_addi = {
99 32, 32, 0xfc000000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_R1) }, { F (F_R2) }, { F (F_LO16) }, { 0 } }
100};
101
102static const CGEN_IFMT ifmt_l_sfgts = {
103 32, 32, 0xffe007ff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_R3) }, { F (F_F_10_11) }, { 0 } }
104};
105
106static const CGEN_IFMT ifmt_l_sfgtsi = {
107 32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_SIMM16) }, { 0 } }
108};
109
110static const CGEN_IFMT ifmt_l_sfgtui = {
111 32, 32, 0xffe00000, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP5) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
112};
113
114#undef F
115
116#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
117#define A(a) (1 << CGEN_INSN_##a)
118#else
119#define A(a) (1 << CGEN_INSN_/**/a)
120#endif
121#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
122#define OPERAND(op) OPENRISC_OPERAND_##op
123#else
124#define OPERAND(op) OPENRISC_OPERAND_/**/op
125#endif
126#define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
127#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
128
129/* The instruction table. */
130
131static const CGEN_OPCODE openrisc_cgen_insn_opcode_table[MAX_INSNS] =
132{
133 /* Special null first entry.
134 A `num' value of zero is thus invalid.
135 Also, the special `invalid' insn resides here. */
136 { { 0, 0, 0, 0 }, {{0}}, 0, {0}},
137/* l.j ${abs-26} */
138 {
139 { 0, 0, 0, 0 },
140 { { MNEM, ' ', OP (ABS_26), 0 } },
141 & ifmt_l_j, { 0x0 }
142 },
143/* l.jal ${abs-26} */
144 {
145 { 0, 0, 0, 0 },
146 { { MNEM, ' ', OP (ABS_26), 0 } },
147 & ifmt_l_j, { 0x4000000 }
148 },
149/* l.jr $rA */
150 {
151 { 0, 0, 0, 0 },
152 { { MNEM, ' ', OP (RA), 0 } },
153 & ifmt_l_jr, { 0x14000000 }
154 },
155/* l.jalr $rA */
156 {
157 { 0, 0, 0, 0 },
158 { { MNEM, ' ', OP (RA), 0 } },
159 & ifmt_l_jr, { 0x14200000 }
160 },
161/* l.bal ${disp-26} */
162 {
163 { 0, 0, 0, 0 },
164 { { MNEM, ' ', OP (DISP_26), 0 } },
165 & ifmt_l_bal, { 0x8000000 }
166 },
167/* l.bnf ${disp-26} */
168 {
169 { 0, 0, 0, 0 },
170 { { MNEM, ' ', OP (DISP_26), 0 } },
171 & ifmt_l_bal, { 0xc000000 }
172 },
173/* l.bf ${disp-26} */
174 {
175 { 0, 0, 0, 0 },
176 { { MNEM, ' ', OP (DISP_26), 0 } },
177 & ifmt_l_bal, { 0x10000000 }
178 },
179/* l.brk ${uimm-16} */
180 {
181 { 0, 0, 0, 0 },
182 { { MNEM, ' ', OP (UIMM_16), 0 } },
183 & ifmt_l_jr, { 0x17000000 }
184 },
185/* l.rfe $rA */
186 {
187 { 0, 0, 0, 0 },
188 { { MNEM, ' ', OP (RA), 0 } },
189 & ifmt_l_jr, { 0x14400000 }
190 },
191/* l.sys ${uimm-16} */
192 {
193 { 0, 0, 0, 0 },
194 { { MNEM, ' ', OP (UIMM_16), 0 } },
195 & ifmt_l_jr, { 0x16000000 }
196 },
197/* l.nop */
198 {
199 { 0, 0, 0, 0 },
200 { { MNEM, 0 } },
201 & ifmt_l_jr, { 0x15000000 }
202 },
203/* l.movhi $rD,$hi16 */
204 {
205 { 0, 0, 0, 0 },
206 { { MNEM, ' ', OP (RD), ',', OP (HI16), 0 } },
207 & ifmt_l_movhi, { 0x18000000 }
208 },
209/* l.mfsr $rD,$rA */
210 {
211 { 0, 0, 0, 0 },
212 { { MNEM, ' ', OP (RD), ',', OP (RA), 0 } },
213 & ifmt_l_mfsr, { 0x1c000000 }
214 },
215/* l.mtsr $rA,$rB */
216 {
217 { 0, 0, 0, 0 },
218 { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
219 & ifmt_l_mtsr, { 0x40000000 }
220 },
221/* l.lw $rD,${simm-16}($rA) */
222 {
223 { 0, 0, 0, 0 },
224 { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
225 & ifmt_l_lw, { 0x80000000 }
226 },
227/* l.lbz $rD,${simm-16}($rA) */
228 {
229 { 0, 0, 0, 0 },
230 { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
231 & ifmt_l_lw, { 0x84000000 }
232 },
233/* l.lbs $rD,${simm-16}($rA) */
234 {
235 { 0, 0, 0, 0 },
236 { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
237 & ifmt_l_lw, { 0x88000000 }
238 },
239/* l.lhz $rD,${simm-16}($rA) */
240 {
241 { 0, 0, 0, 0 },
242 { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
243 & ifmt_l_lw, { 0x8c000000 }
244 },
245/* l.lhs $rD,${simm-16}($rA) */
246 {
247 { 0, 0, 0, 0 },
248 { { MNEM, ' ', OP (RD), ',', OP (SIMM_16), '(', OP (RA), ')', 0 } },
249 & ifmt_l_lw, { 0x90000000 }
250 },
251/* l.sw ${ui16nc}($rA),$rB */
252 {
253 { 0, 0, 0, 0 },
254 { { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
255 & ifmt_l_sw, { 0xd4000000 }
256 },
257/* l.sb ${ui16nc}($rA),$rB */
258 {
259 { 0, 0, 0, 0 },
260 { { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
261 & ifmt_l_sw, { 0xd8000000 }
262 },
263/* l.sh ${ui16nc}($rA),$rB */
264 {
265 { 0, 0, 0, 0 },
266 { { MNEM, ' ', OP (UI16NC), '(', OP (RA), ')', ',', OP (RB), 0 } },
267 & ifmt_l_sw, { 0xdc000000 }
268 },
269/* l.sll $rD,$rA,$rB */
270 {
271 { 0, 0, 0, 0 },
272 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
273 & ifmt_l_sll, { 0xe0000008 }
274 },
275/* l.slli $rD,$rA,${uimm-5} */
276 {
277 { 0, 0, 0, 0 },
278 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
279 & ifmt_l_slli, { 0xb4000000 }
280 },
281/* l.srl $rD,$rA,$rB */
282 {
283 { 0, 0, 0, 0 },
284 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
285 & ifmt_l_sll, { 0xe0000028 }
286 },
287/* l.srli $rD,$rA,${uimm-5} */
288 {
289 { 0, 0, 0, 0 },
290 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
291 & ifmt_l_slli, { 0xb4000020 }
292 },
293/* l.sra $rD,$rA,$rB */
294 {
295 { 0, 0, 0, 0 },
296 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
297 & ifmt_l_sll, { 0xe0000048 }
298 },
299/* l.srai $rD,$rA,${uimm-5} */
300 {
301 { 0, 0, 0, 0 },
302 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
303 & ifmt_l_slli, { 0xb4000040 }
304 },
305/* l.ror $rD,$rA,$rB */
306 {
307 { 0, 0, 0, 0 },
308 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
309 & ifmt_l_sll, { 0xe0000088 }
310 },
311/* l.rori $rD,$rA,${uimm-5} */
312 {
313 { 0, 0, 0, 0 },
314 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (UIMM_5), 0 } },
315 & ifmt_l_slli, { 0xb4000080 }
316 },
317/* l.add $rD,$rA,$rB */
318 {
319 { 0, 0, 0, 0 },
320 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
321 & ifmt_l_add, { 0xe0000000 }
322 },
323/* l.addi $rD,$rA,$lo16 */
324 {
325 { 0, 0, 0, 0 },
326 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
327 & ifmt_l_addi, { 0x94000000 }
328 },
329/* l.sub $rD,$rA,$rB */
330 {
331 { 0, 0, 0, 0 },
332 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
333 & ifmt_l_add, { 0xe0000002 }
334 },
335/* l.subi $rD,$rA,$lo16 */
336 {
337 { 0, 0, 0, 0 },
338 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
339 & ifmt_l_addi, { 0x9c000000 }
340 },
341/* l.and $rD,$rA,$rB */
342 {
343 { 0, 0, 0, 0 },
344 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
345 & ifmt_l_add, { 0xe0000003 }
346 },
347/* l.andi $rD,$rA,$lo16 */
348 {
349 { 0, 0, 0, 0 },
350 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
351 & ifmt_l_addi, { 0xa0000000 }
352 },
353/* l.or $rD,$rA,$rB */
354 {
355 { 0, 0, 0, 0 },
356 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
357 & ifmt_l_add, { 0xe0000004 }
358 },
359/* l.ori $rD,$rA,$lo16 */
360 {
361 { 0, 0, 0, 0 },
362 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
363 & ifmt_l_addi, { 0xa4000000 }
364 },
365/* l.xor $rD,$rA,$rB */
366 {
367 { 0, 0, 0, 0 },
368 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
369 & ifmt_l_add, { 0xe0000005 }
370 },
371/* l.xori $rD,$rA,$lo16 */
372 {
373 { 0, 0, 0, 0 },
374 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
375 & ifmt_l_addi, { 0xa8000000 }
376 },
377/* l.mul $rD,$rA,$rB */
378 {
379 { 0, 0, 0, 0 },
380 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
381 & ifmt_l_add, { 0xe0000006 }
382 },
383/* l.muli $rD,$rA,$lo16 */
384 {
385 { 0, 0, 0, 0 },
386 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (LO16), 0 } },
387 & ifmt_l_addi, { 0xac000000 }
388 },
389/* l.div $rD,$rA,$rB */
390 {
391 { 0, 0, 0, 0 },
392 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
393 & ifmt_l_add, { 0xe0000009 }
394 },
395/* l.divu $rD,$rA,$rB */
396 {
397 { 0, 0, 0, 0 },
398 { { MNEM, ' ', OP (RD), ',', OP (RA), ',', OP (RB), 0 } },
399 & ifmt_l_add, { 0xe000000a }
400 },
401/* l.sfgts $rA,$rB */
402 {
403 { 0, 0, 0, 0 },
404 { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
405 & ifmt_l_sfgts, { 0xe4c00000 }
406 },
407/* l.sfgtu $rA,$rB */
408 {
409 { 0, 0, 0, 0 },
410 { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
411 & ifmt_l_sfgts, { 0xe4400000 }
412 },
413/* l.sfges $rA,$rB */
414 {
415 { 0, 0, 0, 0 },
416 { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
417 & ifmt_l_sfgts, { 0xe4e00000 }
418 },
419/* l.sfgeu $rA,$rB */
420 {
421 { 0, 0, 0, 0 },
422 { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
423 & ifmt_l_sfgts, { 0xe4600000 }
424 },
425/* l.sflts $rA,$rB */
426 {
427 { 0, 0, 0, 0 },
428 { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
429 & ifmt_l_sfgts, { 0xe5000000 }
430 },
431/* l.sfltu $rA,$rB */
432 {
433 { 0, 0, 0, 0 },
434 { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
435 & ifmt_l_sfgts, { 0xe4800000 }
436 },
437/* l.sfles $rA,$rB */
438 {
439 { 0, 0, 0, 0 },
440 { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
441 & ifmt_l_sfgts, { 0xe5200000 }
442 },
443/* l.sfleu $rA,$rB */
444 {
445 { 0, 0, 0, 0 },
446 { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
447 & ifmt_l_sfgts, { 0xe4a00000 }
448 },
449/* l.sfgtsi $rA,${simm-16} */
450 {
451 { 0, 0, 0, 0 },
452 { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
453 & ifmt_l_sfgtsi, { 0xb8c00000 }
454 },
455/* l.sfgtui $rA,${uimm-16} */
456 {
457 { 0, 0, 0, 0 },
458 { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
459 & ifmt_l_sfgtui, { 0xb8400000 }
460 },
461/* l.sfgesi $rA,${simm-16} */
462 {
463 { 0, 0, 0, 0 },
464 { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
465 & ifmt_l_sfgtsi, { 0xb8e00000 }
466 },
467/* l.sfgeui $rA,${uimm-16} */
468 {
469 { 0, 0, 0, 0 },
470 { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
471 & ifmt_l_sfgtui, { 0xb8600000 }
472 },
473/* l.sfltsi $rA,${simm-16} */
474 {
475 { 0, 0, 0, 0 },
476 { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
477 & ifmt_l_sfgtsi, { 0xb9000000 }
478 },
479/* l.sfltui $rA,${uimm-16} */
480 {
481 { 0, 0, 0, 0 },
482 { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
483 & ifmt_l_sfgtui, { 0xb8800000 }
484 },
485/* l.sflesi $rA,${simm-16} */
486 {
487 { 0, 0, 0, 0 },
488 { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
489 & ifmt_l_sfgtsi, { 0xb9200000 }
490 },
491/* l.sfleui $rA,${uimm-16} */
492 {
493 { 0, 0, 0, 0 },
494 { { MNEM, ' ', OP (RA), ',', OP (UIMM_16), 0 } },
495 & ifmt_l_sfgtui, { 0xb8a00000 }
496 },
497/* l.sfeq $rA,$rB */
498 {
499 { 0, 0, 0, 0 },
500 { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
501 & ifmt_l_sfgts, { 0xe4000000 }
502 },
503/* l.sfeqi $rA,${simm-16} */
504 {
505 { 0, 0, 0, 0 },
506 { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
507 & ifmt_l_sfgtsi, { 0xb8000000 }
508 },
509/* l.sfne $rA,$rB */
510 {
511 { 0, 0, 0, 0 },
512 { { MNEM, ' ', OP (RA), ',', OP (RB), 0 } },
513 & ifmt_l_sfgts, { 0xe4200000 }
514 },
515/* l.sfnei $rA,${simm-16} */
516 {
517 { 0, 0, 0, 0 },
518 { { MNEM, ' ', OP (RA), ',', OP (SIMM_16), 0 } },
519 & ifmt_l_sfgtsi, { 0xb8200000 }
520 },
521};
522
523#undef A
524#undef OPERAND
525#undef MNEM
526#undef OP
527
528/* Formats for ALIAS macro-insns. */
529
530#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
531#define F(f) & openrisc_cgen_ifld_table[OPENRISC_##f]
532#else
533#define F(f) & openrisc_cgen_ifld_table[OPENRISC_/**/f]
534#endif
535static const CGEN_IFMT ifmt_l_ret = {
536 32, 32, 0xffffffff, { { F (F_CLASS) }, { F (F_SUB) }, { F (F_OP3) }, { F (F_OP4) }, { F (F_R2) }, { F (F_UIMM16) }, { 0 } }
537};
538
539#undef F
540
541/* Each non-simple macro entry points to an array of expansion possibilities. */
542
543#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
544#define A(a) (1 << CGEN_INSN_##a)
545#else
546#define A(a) (1 << CGEN_INSN_/**/a)
547#endif
548#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
549#define OPERAND(op) OPENRISC_OPERAND_##op
550#else
551#define OPERAND(op) OPENRISC_OPERAND_/**/op
552#endif
553#define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
554#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
555
556/* The macro instruction table. */
557
558static const CGEN_IBASE openrisc_cgen_macro_insn_table[] =
559{
560/* l.ret */
561 {
562 -1, "l-ret", "l.ret", 32,
563 { 0|A(ALIAS), { (1<<MACH_BASE) } }
564 },
565};
566
567/* The macro instruction opcode table. */
568
569static const CGEN_OPCODE openrisc_cgen_macro_insn_opcode_table[] =
570{
571/* l.ret */
572 {
573 { 0, 0, 0, 0 },
574 { { MNEM, 0 } },
575 & ifmt_l_ret, { 0x140b0000 }
576 },
577};
578
579#undef A
580#undef OPERAND
581#undef MNEM
582#undef OP
583
584#ifndef CGEN_ASM_HASH_P
585#define CGEN_ASM_HASH_P(insn) 1
586#endif
587
588#ifndef CGEN_DIS_HASH_P
589#define CGEN_DIS_HASH_P(insn) 1
590#endif
591
592/* Return non-zero if INSN is to be added to the hash table.
593 Targets are free to override CGEN_{ASM,DIS}_HASH_P in the .opc file. */
594
595static int
596asm_hash_insn_p (insn)
597 const CGEN_INSN *insn;
598{
599 return CGEN_ASM_HASH_P (insn);
600}
601
602static int
603dis_hash_insn_p (insn)
604 const CGEN_INSN *insn;
605{
606 /* If building the hash table and the NO-DIS attribute is present,
607 ignore. */
608 if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_NO_DIS))
609 return 0;
610 return CGEN_DIS_HASH_P (insn);
611}
612
613#ifndef CGEN_ASM_HASH
614#define CGEN_ASM_HASH_SIZE 127
615#ifdef CGEN_MNEMONIC_OPERANDS
616#define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE)
617#else
618#define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE) /*FIXME*/
619#endif
620#endif
621
622/* It doesn't make much sense to provide a default here,
623 but while this is under development we do.
624 BUFFER is a pointer to the bytes of the insn, target order.
625 VALUE is the first base_insn_bitsize bits as an int in host order. */
626
627#ifndef CGEN_DIS_HASH
628#define CGEN_DIS_HASH_SIZE 256
629#define CGEN_DIS_HASH(buf, value) (*(unsigned char *) (buf))
630#endif
631
632/* The result is the hash value of the insn.
633 Targets are free to override CGEN_{ASM,DIS}_HASH in the .opc file. */
634
635static unsigned int
636asm_hash_insn (mnem)
637 const char * mnem;
638{
639 return CGEN_ASM_HASH (mnem);
640}
641
642/* BUF is a pointer to the bytes of the insn, target order.
643 VALUE is the first base_insn_bitsize bits as an int in host order. */
644
645static unsigned int
646dis_hash_insn (buf, value)
647 const char * buf;
648 CGEN_INSN_INT value;
649{
650 return CGEN_DIS_HASH (buf, value);
651}
652
653/* Set the recorded length of the insn in the CGEN_FIELDS struct. */
654
655static void
656set_fields_bitsize (fields, size)
657 CGEN_FIELDS *fields;
658 int size;
659{
660 CGEN_FIELDS_BITSIZE (fields) = size;
661}
662
663/* Function to call before using the operand instance table.
664 This plugs the opcode entries and macro instructions into the cpu table. */
665
666void
667openrisc_cgen_init_opcode_table (cd)
668 CGEN_CPU_DESC cd;
669{
670 int i;
671 int num_macros = (sizeof (openrisc_cgen_macro_insn_table) /
672 sizeof (openrisc_cgen_macro_insn_table[0]));
673 const CGEN_IBASE *ib = & openrisc_cgen_macro_insn_table[0];
674 const CGEN_OPCODE *oc = & openrisc_cgen_macro_insn_opcode_table[0];
675 CGEN_INSN *insns = (CGEN_INSN *) xmalloc (num_macros * sizeof (CGEN_INSN));
676 memset (insns, 0, num_macros * sizeof (CGEN_INSN));
677 for (i = 0; i < num_macros; ++i)
678 {
679 insns[i].base = &ib[i];
680 insns[i].opcode = &oc[i];
fc7bc883 681 openrisc_cgen_build_insn_regex (& insns[i]);
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682 }
683 cd->macro_insn_table.init_entries = insns;
684 cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE);
685 cd->macro_insn_table.num_init_entries = num_macros;
686
687 oc = & openrisc_cgen_insn_opcode_table[0];
688 insns = (CGEN_INSN *) cd->insn_table.init_entries;
689 for (i = 0; i < MAX_INSNS; ++i)
fc7bc883
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690 {
691 insns[i].opcode = &oc[i];
692 openrisc_cgen_build_insn_regex (& insns[i]);
693 }
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694
695 cd->sizeof_fields = sizeof (CGEN_FIELDS);
696 cd->set_fields_bitsize = set_fields_bitsize;
697
698 cd->asm_hash_p = asm_hash_insn_p;
699 cd->asm_hash = asm_hash_insn;
700 cd->asm_hash_size = CGEN_ASM_HASH_SIZE;
701
702 cd->dis_hash_p = dis_hash_insn_p;
703 cd->dis_hash = dis_hash_insn;
704 cd->dis_hash_size = CGEN_DIS_HASH_SIZE;
705}
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