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[binutils.git] / opcodes / ip2k-opc.c
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1 /* Instruction opcode table for ip2k.
3 THIS FILE IS MACHINE GENERATED WITH CGEN.
5 Copyright 1996-2005 Free Software Foundation, Inc.
7 This file is part of the GNU Binutils and/or GDB, the GNU debugger.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2, or (at your option)
12 any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License along
20 with this program; if not, write to the Free Software Foundation, Inc.,
21 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
25 #include "sysdep.h"
26 #include "ansidecl.h"
27 #include "bfd.h"
28 #include "symcat.h"
29 #include "ip2k-desc.h"
30 #include "ip2k-opc.h"
31 #include "libiberty.h"
33 /* -- opc.c */
35 #include "safe-ctype.h"
37 /* A better hash function for instruction mnemonics. */
38 unsigned int
39 ip2k_asm_hash (const char* insn)
41 unsigned int hash;
42 const char* m = insn;
44 for (hash = 0; *m && ! ISSPACE (*m); m++)
45 hash = (hash * 23) ^ (0x1F & TOLOWER (*m));
47 /* printf ("%s %d\n", insn, (hash % CGEN_ASM_HASH_SIZE)); */
49 return hash % CGEN_ASM_HASH_SIZE;
53 /* Special check to ensure that instruction exists for given machine. */
55 int
56 ip2k_cgen_insn_supported (CGEN_CPU_DESC cd, const CGEN_INSN *insn)
58 int machs = CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_MACH);
60 /* No mach attribute? Assume it's supported for all machs. */
61 if (machs == 0)
62 return 1;
64 return (machs & cd->machs) != 0;
68 /* -- asm.c */
69 /* The hash functions are recorded here to help keep assembler code out of
70 the disassembler and vice versa. */
72 static int asm_hash_insn_p (const CGEN_INSN *);
73 static unsigned int asm_hash_insn (const char *);
74 static int dis_hash_insn_p (const CGEN_INSN *);
75 static unsigned int dis_hash_insn (const char *, CGEN_INSN_INT);
77 /* Instruction formats. */
79 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
80 #define F(f) & ip2k_cgen_ifld_table[IP2K_##f]
81 #else
82 #define F(f) & ip2k_cgen_ifld_table[IP2K_/**/f]
83 #endif
84 static const CGEN_IFMT ifmt_empty ATTRIBUTE_UNUSED = {
85 0, 0, 0x0, { { 0 } }
88 static const CGEN_IFMT ifmt_jmp ATTRIBUTE_UNUSED = {
89 16, 16, 0xe000, { { F (F_OP3) }, { F (F_ADDR16CJP) }, { 0 } }
92 static const CGEN_IFMT ifmt_sb ATTRIBUTE_UNUSED = {
93 16, 16, 0xf000, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
96 static const CGEN_IFMT ifmt_xorw_l ATTRIBUTE_UNUSED = {
97 16, 16, 0xff00, { { F (F_OP4) }, { F (F_OP4MID) }, { F (F_IMM8) }, { 0 } }
100 static const CGEN_IFMT ifmt_loadl_a ATTRIBUTE_UNUSED = {
101 16, 16, 0xff00, { { F (F_OP4) }, { F (F_OP4MID) }, { F (F_IMM8) }, { 0 } }
104 static const CGEN_IFMT ifmt_loadh_a ATTRIBUTE_UNUSED = {
105 16, 16, 0xff00, { { F (F_OP4) }, { F (F_OP4MID) }, { F (F_IMM8) }, { 0 } }
108 static const CGEN_IFMT ifmt_addcfr_w ATTRIBUTE_UNUSED = {
109 16, 16, 0xfe00, { { F (F_OP6) }, { F (F_DIR) }, { F (F_REG) }, { 0 } }
112 static const CGEN_IFMT ifmt_speed ATTRIBUTE_UNUSED = {
113 16, 16, 0xff00, { { F (F_OP8) }, { F (F_IMM8) }, { 0 } }
116 static const CGEN_IFMT ifmt_ireadi ATTRIBUTE_UNUSED = {
117 16, 16, 0xffff, { { F (F_OP6) }, { F (F_OP6_10LOW) }, { 0 } }
120 static const CGEN_IFMT ifmt_page ATTRIBUTE_UNUSED = {
121 16, 16, 0xfff8, { { F (F_OP6) }, { F (F_OP6_7LOW) }, { F (F_PAGE3) }, { 0 } }
124 static const CGEN_IFMT ifmt_reti ATTRIBUTE_UNUSED = {
125 16, 16, 0xfff8, { { F (F_OP6) }, { F (F_OP6_7LOW) }, { F (F_RETI3) }, { 0 } }
128 #undef F
130 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
131 #define A(a) (1 << CGEN_INSN_##a)
132 #else
133 #define A(a) (1 << CGEN_INSN_/**/a)
134 #endif
135 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
136 #define OPERAND(op) IP2K_OPERAND_##op
137 #else
138 #define OPERAND(op) IP2K_OPERAND_/**/op
139 #endif
140 #define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
141 #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
143 /* The instruction table. */
145 static const CGEN_OPCODE ip2k_cgen_insn_opcode_table[MAX_INSNS] =
147 /* Special null first entry.
148 A `num' value of zero is thus invalid.
149 Also, the special `invalid' insn resides here. */
150 { { 0, 0, 0, 0 }, {{0}}, 0, {0}},
151 /* jmp $addr16cjp */
153 { 0, 0, 0, 0 },
154 { { MNEM, ' ', OP (ADDR16CJP), 0 } },
155 & ifmt_jmp, { 0xe000 }
157 /* call $addr16cjp */
159 { 0, 0, 0, 0 },
160 { { MNEM, ' ', OP (ADDR16CJP), 0 } },
161 & ifmt_jmp, { 0xc000 }
163 /* sb $fr,$bitno */
165 { 0, 0, 0, 0 },
166 { { MNEM, ' ', OP (FR), ',', OP (BITNO), 0 } },
167 & ifmt_sb, { 0xb000 }
169 /* snb $fr,$bitno */
171 { 0, 0, 0, 0 },
172 { { MNEM, ' ', OP (FR), ',', OP (BITNO), 0 } },
173 & ifmt_sb, { 0xa000 }
175 /* setb $fr,$bitno */
177 { 0, 0, 0, 0 },
178 { { MNEM, ' ', OP (FR), ',', OP (BITNO), 0 } },
179 & ifmt_sb, { 0x9000 }
181 /* clrb $fr,$bitno */
183 { 0, 0, 0, 0 },
184 { { MNEM, ' ', OP (FR), ',', OP (BITNO), 0 } },
185 & ifmt_sb, { 0x8000 }
187 /* xor W,#$lit8 */
189 { 0, 0, 0, 0 },
190 { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
191 & ifmt_xorw_l, { 0x7f00 }
193 /* and W,#$lit8 */
195 { 0, 0, 0, 0 },
196 { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
197 & ifmt_xorw_l, { 0x7e00 }
199 /* or W,#$lit8 */
201 { 0, 0, 0, 0 },
202 { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
203 & ifmt_xorw_l, { 0x7d00 }
205 /* add W,#$lit8 */
207 { 0, 0, 0, 0 },
208 { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
209 & ifmt_xorw_l, { 0x7b00 }
211 /* sub W,#$lit8 */
213 { 0, 0, 0, 0 },
214 { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
215 & ifmt_xorw_l, { 0x7a00 }
217 /* cmp W,#$lit8 */
219 { 0, 0, 0, 0 },
220 { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
221 & ifmt_xorw_l, { 0x7900 }
223 /* retw #$lit8 */
225 { 0, 0, 0, 0 },
226 { { MNEM, ' ', '#', OP (LIT8), 0 } },
227 & ifmt_xorw_l, { 0x7800 }
229 /* cse W,#$lit8 */
231 { 0, 0, 0, 0 },
232 { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
233 & ifmt_xorw_l, { 0x7700 }
235 /* csne W,#$lit8 */
237 { 0, 0, 0, 0 },
238 { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
239 & ifmt_xorw_l, { 0x7600 }
241 /* push #$lit8 */
243 { 0, 0, 0, 0 },
244 { { MNEM, ' ', '#', OP (LIT8), 0 } },
245 & ifmt_xorw_l, { 0x7400 }
247 /* muls W,#$lit8 */
249 { 0, 0, 0, 0 },
250 { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
251 & ifmt_xorw_l, { 0x7300 }
253 /* mulu W,#$lit8 */
255 { 0, 0, 0, 0 },
256 { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
257 & ifmt_xorw_l, { 0x7200 }
259 /* loadl #$lit8 */
261 { 0, 0, 0, 0 },
262 { { MNEM, ' ', '#', OP (LIT8), 0 } },
263 & ifmt_xorw_l, { 0x7100 }
265 /* loadh #$lit8 */
267 { 0, 0, 0, 0 },
268 { { MNEM, ' ', '#', OP (LIT8), 0 } },
269 & ifmt_xorw_l, { 0x7000 }
271 /* loadl $addr16l */
273 { 0, 0, 0, 0 },
274 { { MNEM, ' ', OP (ADDR16L), 0 } },
275 & ifmt_loadl_a, { 0x7100 }
277 /* loadh $addr16h */
279 { 0, 0, 0, 0 },
280 { { MNEM, ' ', OP (ADDR16H), 0 } },
281 & ifmt_loadh_a, { 0x7000 }
283 /* addc $fr,W */
285 { 0, 0, 0, 0 },
286 { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
287 & ifmt_addcfr_w, { 0x5e00 }
289 /* addc W,$fr */
291 { 0, 0, 0, 0 },
292 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
293 & ifmt_addcfr_w, { 0x5c00 }
295 /* incsnz $fr */
297 { 0, 0, 0, 0 },
298 { { MNEM, ' ', OP (FR), 0 } },
299 & ifmt_addcfr_w, { 0x5a00 }
301 /* incsnz W,$fr */
303 { 0, 0, 0, 0 },
304 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
305 & ifmt_addcfr_w, { 0x5800 }
307 /* muls W,$fr */
309 { 0, 0, 0, 0 },
310 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
311 & ifmt_addcfr_w, { 0x5400 }
313 /* mulu W,$fr */
315 { 0, 0, 0, 0 },
316 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
317 & ifmt_addcfr_w, { 0x5000 }
319 /* decsnz $fr */
321 { 0, 0, 0, 0 },
322 { { MNEM, ' ', OP (FR), 0 } },
323 & ifmt_addcfr_w, { 0x4e00 }
325 /* decsnz W,$fr */
327 { 0, 0, 0, 0 },
328 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
329 & ifmt_addcfr_w, { 0x4c00 }
331 /* subc W,$fr */
333 { 0, 0, 0, 0 },
334 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
335 & ifmt_addcfr_w, { 0x4800 }
337 /* subc $fr,W */
339 { 0, 0, 0, 0 },
340 { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
341 & ifmt_addcfr_w, { 0x4a00 }
343 /* pop $fr */
345 { 0, 0, 0, 0 },
346 { { MNEM, ' ', OP (FR), 0 } },
347 & ifmt_addcfr_w, { 0x4600 }
349 /* push $fr */
351 { 0, 0, 0, 0 },
352 { { MNEM, ' ', OP (FR), 0 } },
353 & ifmt_addcfr_w, { 0x4400 }
355 /* cse W,$fr */
357 { 0, 0, 0, 0 },
358 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
359 & ifmt_addcfr_w, { 0x4200 }
361 /* csne W,$fr */
363 { 0, 0, 0, 0 },
364 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
365 & ifmt_addcfr_w, { 0x4000 }
367 /* incsz $fr */
369 { 0, 0, 0, 0 },
370 { { MNEM, ' ', OP (FR), 0 } },
371 & ifmt_addcfr_w, { 0x3e00 }
373 /* incsz W,$fr */
375 { 0, 0, 0, 0 },
376 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
377 & ifmt_addcfr_w, { 0x3c00 }
379 /* swap $fr */
381 { 0, 0, 0, 0 },
382 { { MNEM, ' ', OP (FR), 0 } },
383 & ifmt_addcfr_w, { 0x3a00 }
385 /* swap W,$fr */
387 { 0, 0, 0, 0 },
388 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
389 & ifmt_addcfr_w, { 0x3800 }
391 /* rl $fr */
393 { 0, 0, 0, 0 },
394 { { MNEM, ' ', OP (FR), 0 } },
395 & ifmt_addcfr_w, { 0x3600 }
397 /* rl W,$fr */
399 { 0, 0, 0, 0 },
400 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
401 & ifmt_addcfr_w, { 0x3400 }
403 /* rr $fr */
405 { 0, 0, 0, 0 },
406 { { MNEM, ' ', OP (FR), 0 } },
407 & ifmt_addcfr_w, { 0x3200 }
409 /* rr W,$fr */
411 { 0, 0, 0, 0 },
412 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
413 & ifmt_addcfr_w, { 0x3000 }
415 /* decsz $fr */
417 { 0, 0, 0, 0 },
418 { { MNEM, ' ', OP (FR), 0 } },
419 & ifmt_addcfr_w, { 0x2e00 }
421 /* decsz W,$fr */
423 { 0, 0, 0, 0 },
424 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
425 & ifmt_addcfr_w, { 0x2c00 }
427 /* inc $fr */
429 { 0, 0, 0, 0 },
430 { { MNEM, ' ', OP (FR), 0 } },
431 & ifmt_addcfr_w, { 0x2a00 }
433 /* inc W,$fr */
435 { 0, 0, 0, 0 },
436 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
437 & ifmt_addcfr_w, { 0x2800 }
439 /* not $fr */
441 { 0, 0, 0, 0 },
442 { { MNEM, ' ', OP (FR), 0 } },
443 & ifmt_addcfr_w, { 0x2600 }
445 /* not W,$fr */
447 { 0, 0, 0, 0 },
448 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
449 & ifmt_addcfr_w, { 0x2400 }
451 /* test $fr */
453 { 0, 0, 0, 0 },
454 { { MNEM, ' ', OP (FR), 0 } },
455 & ifmt_addcfr_w, { 0x2200 }
457 /* mov W,#$lit8 */
459 { 0, 0, 0, 0 },
460 { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
461 & ifmt_xorw_l, { 0x7c00 }
463 /* mov $fr,W */
465 { 0, 0, 0, 0 },
466 { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
467 & ifmt_addcfr_w, { 0x200 }
469 /* mov W,$fr */
471 { 0, 0, 0, 0 },
472 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
473 & ifmt_addcfr_w, { 0x2000 }
475 /* add $fr,W */
477 { 0, 0, 0, 0 },
478 { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
479 & ifmt_addcfr_w, { 0x1e00 }
481 /* add W,$fr */
483 { 0, 0, 0, 0 },
484 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
485 & ifmt_addcfr_w, { 0x1c00 }
487 /* xor $fr,W */
489 { 0, 0, 0, 0 },
490 { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
491 & ifmt_addcfr_w, { 0x1a00 }
493 /* xor W,$fr */
495 { 0, 0, 0, 0 },
496 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
497 & ifmt_addcfr_w, { 0x1800 }
499 /* and $fr,W */
501 { 0, 0, 0, 0 },
502 { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
503 & ifmt_addcfr_w, { 0x1600 }
505 /* and W,$fr */
507 { 0, 0, 0, 0 },
508 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
509 & ifmt_addcfr_w, { 0x1400 }
511 /* or $fr,W */
513 { 0, 0, 0, 0 },
514 { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
515 & ifmt_addcfr_w, { 0x1200 }
517 /* or W,$fr */
519 { 0, 0, 0, 0 },
520 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
521 & ifmt_addcfr_w, { 0x1000 }
523 /* dec $fr */
525 { 0, 0, 0, 0 },
526 { { MNEM, ' ', OP (FR), 0 } },
527 & ifmt_addcfr_w, { 0xe00 }
529 /* dec W,$fr */
531 { 0, 0, 0, 0 },
532 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
533 & ifmt_addcfr_w, { 0xc00 }
535 /* sub $fr,W */
537 { 0, 0, 0, 0 },
538 { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
539 & ifmt_addcfr_w, { 0xa00 }
541 /* sub W,$fr */
543 { 0, 0, 0, 0 },
544 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
545 & ifmt_addcfr_w, { 0x800 }
547 /* clr $fr */
549 { 0, 0, 0, 0 },
550 { { MNEM, ' ', OP (FR), 0 } },
551 & ifmt_addcfr_w, { 0x600 }
553 /* cmp W,$fr */
555 { 0, 0, 0, 0 },
556 { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
557 & ifmt_addcfr_w, { 0x400 }
559 /* speed #$lit8 */
561 { 0, 0, 0, 0 },
562 { { MNEM, ' ', '#', OP (LIT8), 0 } },
563 & ifmt_speed, { 0x100 }
565 /* ireadi */
567 { 0, 0, 0, 0 },
568 { { MNEM, 0 } },
569 & ifmt_ireadi, { 0x1d }
571 /* iwritei */
573 { 0, 0, 0, 0 },
574 { { MNEM, 0 } },
575 & ifmt_ireadi, { 0x1c }
577 /* fread */
579 { 0, 0, 0, 0 },
580 { { MNEM, 0 } },
581 & ifmt_ireadi, { 0x1b }
583 /* fwrite */
585 { 0, 0, 0, 0 },
586 { { MNEM, 0 } },
587 & ifmt_ireadi, { 0x1a }
589 /* iread */
591 { 0, 0, 0, 0 },
592 { { MNEM, 0 } },
593 & ifmt_ireadi, { 0x19 }
595 /* iwrite */
597 { 0, 0, 0, 0 },
598 { { MNEM, 0 } },
599 & ifmt_ireadi, { 0x18 }
601 /* page $addr16p */
603 { 0, 0, 0, 0 },
604 { { MNEM, ' ', OP (ADDR16P), 0 } },
605 & ifmt_page, { 0x10 }
607 /* system */
609 { 0, 0, 0, 0 },
610 { { MNEM, 0 } },
611 & ifmt_ireadi, { 0xff }
613 /* reti #$reti3 */
615 { 0, 0, 0, 0 },
616 { { MNEM, ' ', '#', OP (RETI3), 0 } },
617 & ifmt_reti, { 0x8 }
619 /* ret */
621 { 0, 0, 0, 0 },
622 { { MNEM, 0 } },
623 & ifmt_ireadi, { 0x7 }
625 /* int */
627 { 0, 0, 0, 0 },
628 { { MNEM, 0 } },
629 & ifmt_ireadi, { 0x6 }
631 /* breakx */
633 { 0, 0, 0, 0 },
634 { { MNEM, 0 } },
635 & ifmt_ireadi, { 0x5 }
637 /* cwdt */
639 { 0, 0, 0, 0 },
640 { { MNEM, 0 } },
641 & ifmt_ireadi, { 0x4 }
643 /* ferase */
645 { 0, 0, 0, 0 },
646 { { MNEM, 0 } },
647 & ifmt_ireadi, { 0x3 }
649 /* retnp */
651 { 0, 0, 0, 0 },
652 { { MNEM, 0 } },
653 & ifmt_ireadi, { 0x2 }
655 /* break */
657 { 0, 0, 0, 0 },
658 { { MNEM, 0 } },
659 & ifmt_ireadi, { 0x1 }
661 /* nop */
663 { 0, 0, 0, 0 },
664 { { MNEM, 0 } },
665 & ifmt_ireadi, { 0x0 }
669 #undef A
670 #undef OPERAND
671 #undef MNEM
672 #undef OP
674 /* Formats for ALIAS macro-insns. */
676 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
677 #define F(f) & ip2k_cgen_ifld_table[IP2K_##f]
678 #else
679 #define F(f) & ip2k_cgen_ifld_table[IP2K_/**/f]
680 #endif
681 static const CGEN_IFMT ifmt_sc ATTRIBUTE_UNUSED = {
682 16, 16, 0xffff, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
685 static const CGEN_IFMT ifmt_snc ATTRIBUTE_UNUSED = {
686 16, 16, 0xffff, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
689 static const CGEN_IFMT ifmt_sz ATTRIBUTE_UNUSED = {
690 16, 16, 0xffff, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
693 static const CGEN_IFMT ifmt_snz ATTRIBUTE_UNUSED = {
694 16, 16, 0xffff, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
697 static const CGEN_IFMT ifmt_skip ATTRIBUTE_UNUSED = {
698 16, 16, 0xffff, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
701 static const CGEN_IFMT ifmt_skipb ATTRIBUTE_UNUSED = {
702 16, 16, 0xffff, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
705 #undef F
707 /* Each non-simple macro entry points to an array of expansion possibilities. */
709 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
710 #define A(a) (1 << CGEN_INSN_##a)
711 #else
712 #define A(a) (1 << CGEN_INSN_/**/a)
713 #endif
714 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
715 #define OPERAND(op) IP2K_OPERAND_##op
716 #else
717 #define OPERAND(op) IP2K_OPERAND_/**/op
718 #endif
719 #define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
720 #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
722 /* The macro instruction table. */
724 static const CGEN_IBASE ip2k_cgen_macro_insn_table[] =
726 /* sc */
728 -1, "sc", "sc", 16,
729 { 0|A(ALIAS), { (1<<MACH_BASE) } }
731 /* snc */
733 -1, "snc", "snc", 16,
734 { 0|A(ALIAS), { (1<<MACH_BASE) } }
736 /* sz */
738 -1, "sz", "sz", 16,
739 { 0|A(ALIAS), { (1<<MACH_BASE) } }
741 /* snz */
743 -1, "snz", "snz", 16,
744 { 0|A(ALIAS), { (1<<MACH_BASE) } }
746 /* skip */
748 -1, "skip", "skip", 16,
749 { 0|A(SKIPA)|A(ALIAS), { (1<<MACH_BASE) } }
751 /* skip */
753 -1, "skipb", "skip", 16,
754 { 0|A(SKIPA)|A(ALIAS), { (1<<MACH_BASE) } }
758 /* The macro instruction opcode table. */
760 static const CGEN_OPCODE ip2k_cgen_macro_insn_opcode_table[] =
762 /* sc */
764 { 0, 0, 0, 0 },
765 { { MNEM, 0 } },
766 & ifmt_sc, { 0xb00b }
768 /* snc */
770 { 0, 0, 0, 0 },
771 { { MNEM, 0 } },
772 & ifmt_snc, { 0xa00b }
774 /* sz */
776 { 0, 0, 0, 0 },
777 { { MNEM, 0 } },
778 & ifmt_sz, { 0xb40b }
780 /* snz */
782 { 0, 0, 0, 0 },
783 { { MNEM, 0 } },
784 & ifmt_snz, { 0xa40b }
786 /* skip */
788 { 0, 0, 0, 0 },
789 { { MNEM, 0 } },
790 & ifmt_skip, { 0xa009 }
792 /* skip */
794 { 0, 0, 0, 0 },
795 { { MNEM, 0 } },
796 & ifmt_skipb, { 0xb009 }
800 #undef A
801 #undef OPERAND
802 #undef MNEM
803 #undef OP
805 #ifndef CGEN_ASM_HASH_P
806 #define CGEN_ASM_HASH_P(insn) 1
807 #endif
809 #ifndef CGEN_DIS_HASH_P
810 #define CGEN_DIS_HASH_P(insn) 1
811 #endif
813 /* Return non-zero if INSN is to be added to the hash table.
814 Targets are free to override CGEN_{ASM,DIS}_HASH_P in the .opc file. */
816 static int
817 asm_hash_insn_p (insn)
818 const CGEN_INSN *insn ATTRIBUTE_UNUSED;
820 return CGEN_ASM_HASH_P (insn);
823 static int
824 dis_hash_insn_p (insn)
825 const CGEN_INSN *insn;
827 /* If building the hash table and the NO-DIS attribute is present,
828 ignore. */
829 if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_NO_DIS))
830 return 0;
831 return CGEN_DIS_HASH_P (insn);
834 #ifndef CGEN_ASM_HASH
835 #define CGEN_ASM_HASH_SIZE 127
836 #ifdef CGEN_MNEMONIC_OPERANDS
837 #define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE)
838 #else
839 #define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE) /*FIXME*/
840 #endif
841 #endif
843 /* It doesn't make much sense to provide a default here,
844 but while this is under development we do.
845 BUFFER is a pointer to the bytes of the insn, target order.
846 VALUE is the first base_insn_bitsize bits as an int in host order. */
848 #ifndef CGEN_DIS_HASH
849 #define CGEN_DIS_HASH_SIZE 256
850 #define CGEN_DIS_HASH(buf, value) (*(unsigned char *) (buf))
851 #endif
853 /* The result is the hash value of the insn.
854 Targets are free to override CGEN_{ASM,DIS}_HASH in the .opc file. */
856 static unsigned int
857 asm_hash_insn (mnem)
858 const char * mnem;
860 return CGEN_ASM_HASH (mnem);
863 /* BUF is a pointer to the bytes of the insn, target order.
864 VALUE is the first base_insn_bitsize bits as an int in host order. */
866 static unsigned int
867 dis_hash_insn (buf, value)
868 const char * buf ATTRIBUTE_UNUSED;
869 CGEN_INSN_INT value ATTRIBUTE_UNUSED;
871 return CGEN_DIS_HASH (buf, value);
874 /* Set the recorded length of the insn in the CGEN_FIELDS struct. */
876 static void
877 set_fields_bitsize (CGEN_FIELDS *fields, int size)
879 CGEN_FIELDS_BITSIZE (fields) = size;
882 /* Function to call before using the operand instance table.
883 This plugs the opcode entries and macro instructions into the cpu table. */
885 void
886 ip2k_cgen_init_opcode_table (CGEN_CPU_DESC cd)
888 int i;
889 int num_macros = (sizeof (ip2k_cgen_macro_insn_table) /
890 sizeof (ip2k_cgen_macro_insn_table[0]));
891 const CGEN_IBASE *ib = & ip2k_cgen_macro_insn_table[0];
892 const CGEN_OPCODE *oc = & ip2k_cgen_macro_insn_opcode_table[0];
893 CGEN_INSN *insns = xmalloc (num_macros * sizeof (CGEN_INSN));
895 memset (insns, 0, num_macros * sizeof (CGEN_INSN));
896 for (i = 0; i < num_macros; ++i)
898 insns[i].base = &ib[i];
899 insns[i].opcode = &oc[i];
900 ip2k_cgen_build_insn_regex (& insns[i]);
902 cd->macro_insn_table.init_entries = insns;
903 cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE);
904 cd->macro_insn_table.num_init_entries = num_macros;
906 oc = & ip2k_cgen_insn_opcode_table[0];
907 insns = (CGEN_INSN *) cd->insn_table.init_entries;
908 for (i = 0; i < MAX_INSNS; ++i)
910 insns[i].opcode = &oc[i];
911 ip2k_cgen_build_insn_regex (& insns[i]);
914 cd->sizeof_fields = sizeof (CGEN_FIELDS);
915 cd->set_fields_bitsize = set_fields_bitsize;
917 cd->asm_hash_p = asm_hash_insn_p;
918 cd->asm_hash = asm_hash_insn;
919 cd->asm_hash_size = CGEN_ASM_HASH_SIZE;
921 cd->dis_hash_p = dis_hash_insn_p;
922 cd->dis_hash = dis_hash_insn;
923 cd->dis_hash_size = CGEN_DIS_HASH_SIZE;