opcodes/ip2k-opc.c

   1 /* DO NOT EDIT!  -*- buffer-read-only: t -*- vi:set ro:  */
   2 /* Instruction opcode table for ip2k.
   3
   4 THIS FILE IS MACHINE GENERATED WITH CGEN.
   5
   6 Copyright (C) 1996-2024 Free Software Foundation, Inc.
   7
   8 This file is part of the GNU Binutils and/or GDB, the GNU debugger.
   9
  10    This file is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3, or (at your option)
  13    any later version.
  14
  15    It is distributed in the hope that it will be useful, but WITHOUT
  16    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  17    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  18    License for more details.
  19
  20    You should have received a copy of the GNU General Public License along
  21    with this program; if not, write to the Free Software Foundation, Inc.,
  22    51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  23
  24 */
  25
  26 #include "sysdep.h"
  27 #include "ansidecl.h"
  28 #include "bfd.h"
  29 #include "symcat.h"
  30 #include "ip2k-desc.h"
  31 #include "ip2k-opc.h"
  32 #include "libiberty.h"
  33
  34 /* -- opc.c */
  35
  36 #include "safe-ctype.h"
  37
  38 /* A better hash function for instruction mnemonics.  */
  39 unsigned int
  40 ip2k_asm_hash (const char* insn)
  41 {
  42   unsigned int hash;
  43   const char* m = insn;
  44
  45   for (hash = 0; *m && ! ISSPACE (*m); m++)
  46     hash = (hash * 23) ^ (0x1F & TOLOWER (*m));
  47
  48   /* printf ("%s %d\n", insn, (hash % CGEN_ASM_HASH_SIZE)); */
  49
  50   return hash % CGEN_ASM_HASH_SIZE;
  51 }
  52
  53
  54 /* Special check to ensure that instruction exists for given machine.  */
  55
  56 int
  57 ip2k_cgen_insn_supported (CGEN_CPU_DESC cd, const CGEN_INSN *insn)
  58 {
  59   int machs = CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_MACH);
  60
  61   /* No mach attribute?  Assume it's supported for all machs.  */
  62   if (machs == 0)
  63     return 1;
  64
  65   return (machs & cd->machs) != 0;
  66 }
  67
  68 \f
  69 /* -- asm.c */
  70 /* The hash functions are recorded here to help keep assembler code out of
  71    the disassembler and vice versa.  */
  72
  73 static int asm_hash_insn_p        (const CGEN_INSN *);
  74 static unsigned int asm_hash_insn (const char *);
  75 static int dis_hash_insn_p        (const CGEN_INSN *);
  76 static unsigned int dis_hash_insn (const char *, CGEN_INSN_INT);
  77
  78 /* Instruction formats.  */
  79
  80 #define F(f) & ip2k_cgen_ifld_table[IP2K_##f]
  81 static const CGEN_IFMT ifmt_empty ATTRIBUTE_UNUSED = {
  82   0, 0, 0x0, { { 0 } }
  83 };
  84
  85 static const CGEN_IFMT ifmt_jmp ATTRIBUTE_UNUSED = {
  86   16, 16, 0xe000, { { F (F_OP3) }, { F (F_ADDR16CJP) }, { 0 } }
  87 };
  88
  89 static const CGEN_IFMT ifmt_sb ATTRIBUTE_UNUSED = {
  90   16, 16, 0xf000, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
  91 };
  92
  93 static const CGEN_IFMT ifmt_xorw_l ATTRIBUTE_UNUSED = {
  94   16, 16, 0xff00, { { F (F_OP4) }, { F (F_OP4MID) }, { F (F_IMM8) }, { 0 } }
  95 };
  96
  97 static const CGEN_IFMT ifmt_loadl_a ATTRIBUTE_UNUSED = {
  98   16, 16, 0xff00, { { F (F_OP4) }, { F (F_OP4MID) }, { F (F_IMM8) }, { 0 } }
  99 };
 100
 101 static const CGEN_IFMT ifmt_loadh_a ATTRIBUTE_UNUSED = {
 102   16, 16, 0xff00, { { F (F_OP4) }, { F (F_OP4MID) }, { F (F_IMM8) }, { 0 } }
 103 };
 104
 105 static const CGEN_IFMT ifmt_addcfr_w ATTRIBUTE_UNUSED = {
 106   16, 16, 0xfe00, { { F (F_OP6) }, { F (F_DIR) }, { F (F_REG) }, { 0 } }
 107 };
 108
 109 static const CGEN_IFMT ifmt_speed ATTRIBUTE_UNUSED = {
 110   16, 16, 0xff00, { { F (F_OP8) }, { F (F_IMM8) }, { 0 } }
 111 };
 112
 113 static const CGEN_IFMT ifmt_ireadi ATTRIBUTE_UNUSED = {
 114   16, 16, 0xffff, { { F (F_OP6) }, { F (F_OP6_10LOW) }, { 0 } }
 115 };
 116
 117 static const CGEN_IFMT ifmt_page ATTRIBUTE_UNUSED = {
 118   16, 16, 0xfff8, { { F (F_OP6) }, { F (F_OP6_7LOW) }, { F (F_PAGE3) }, { 0 } }
 119 };
 120
 121 static const CGEN_IFMT ifmt_reti ATTRIBUTE_UNUSED = {
 122   16, 16, 0xfff8, { { F (F_OP6) }, { F (F_OP6_7LOW) }, { F (F_RETI3) }, { 0 } }
 123 };
 124
 125 #undef F
 126
 127 #define A(a) (1 << CGEN_INSN_##a)
 128 #define OPERAND(op) IP2K_OPERAND_##op
 129 #define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
 130 #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
 131
 132 /* The instruction table.  */
 133
 134 static const CGEN_OPCODE ip2k_cgen_insn_opcode_table[MAX_INSNS] =
 135 {
 136   /* Special null first entry.
 137      A `num' value of zero is thus invalid.
 138      Also, the special `invalid' insn resides here.  */
 139   { { 0, 0, 0, 0 }, {{0}}, 0, {0}},
 140 /* jmp $addr16cjp */
 141   {
 142     { 0, 0, 0, 0 },
 143     { { MNEM, ' ', OP (ADDR16CJP), 0 } },
 144     & ifmt_jmp, { 0xe000 }
 145   },
 146 /* call $addr16cjp */
 147   {
 148     { 0, 0, 0, 0 },
 149     { { MNEM, ' ', OP (ADDR16CJP), 0 } },
 150     & ifmt_jmp, { 0xc000 }
 151   },
 152 /* sb $fr,$bitno */
 153   {
 154     { 0, 0, 0, 0 },
 155     { { MNEM, ' ', OP (FR), ',', OP (BITNO), 0 } },
 156     & ifmt_sb, { 0xb000 }
 157   },
 158 /* snb $fr,$bitno */
 159   {
 160     { 0, 0, 0, 0 },
 161     { { MNEM, ' ', OP (FR), ',', OP (BITNO), 0 } },
 162     & ifmt_sb, { 0xa000 }
 163   },
 164 /* setb $fr,$bitno */
 165   {
 166     { 0, 0, 0, 0 },
 167     { { MNEM, ' ', OP (FR), ',', OP (BITNO), 0 } },
 168     & ifmt_sb, { 0x9000 }
 169   },
 170 /* clrb $fr,$bitno */
 171   {
 172     { 0, 0, 0, 0 },
 173     { { MNEM, ' ', OP (FR), ',', OP (BITNO), 0 } },
 174     & ifmt_sb, { 0x8000 }
 175   },
 176 /* xor W,#$lit8 */
 177   {
 178     { 0, 0, 0, 0 },
 179     { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
 180     & ifmt_xorw_l, { 0x7f00 }
 181   },
 182 /* and W,#$lit8 */
 183   {
 184     { 0, 0, 0, 0 },
 185     { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
 186     & ifmt_xorw_l, { 0x7e00 }
 187   },
 188 /* or W,#$lit8 */
 189   {
 190     { 0, 0, 0, 0 },
 191     { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
 192     & ifmt_xorw_l, { 0x7d00 }
 193   },
 194 /* add W,#$lit8 */
 195   {
 196     { 0, 0, 0, 0 },
 197     { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
 198     & ifmt_xorw_l, { 0x7b00 }
 199   },
 200 /* sub W,#$lit8 */
 201   {
 202     { 0, 0, 0, 0 },
 203     { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
 204     & ifmt_xorw_l, { 0x7a00 }
 205   },
 206 /* cmp W,#$lit8 */
 207   {
 208     { 0, 0, 0, 0 },
 209     { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
 210     & ifmt_xorw_l, { 0x7900 }
 211   },
 212 /* retw #$lit8 */
 213   {
 214     { 0, 0, 0, 0 },
 215     { { MNEM, ' ', '#', OP (LIT8), 0 } },
 216     & ifmt_xorw_l, { 0x7800 }
 217   },
 218 /* cse W,#$lit8 */
 219   {
 220     { 0, 0, 0, 0 },
 221     { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
 222     & ifmt_xorw_l, { 0x7700 }
 223   },
 224 /* csne W,#$lit8 */
 225   {
 226     { 0, 0, 0, 0 },
 227     { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
 228     & ifmt_xorw_l, { 0x7600 }
 229   },
 230 /* push #$lit8 */
 231   {
 232     { 0, 0, 0, 0 },
 233     { { MNEM, ' ', '#', OP (LIT8), 0 } },
 234     & ifmt_xorw_l, { 0x7400 }
 235   },
 236 /* muls W,#$lit8 */
 237   {
 238     { 0, 0, 0, 0 },
 239     { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
 240     & ifmt_xorw_l, { 0x7300 }
 241   },
 242 /* mulu W,#$lit8 */
 243   {
 244     { 0, 0, 0, 0 },
 245     { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
 246     & ifmt_xorw_l, { 0x7200 }
 247   },
 248 /* loadl #$lit8 */
 249   {
 250     { 0, 0, 0, 0 },
 251     { { MNEM, ' ', '#', OP (LIT8), 0 } },
 252     & ifmt_xorw_l, { 0x7100 }
 253   },
 254 /* loadh #$lit8 */
 255   {
 256     { 0, 0, 0, 0 },
 257     { { MNEM, ' ', '#', OP (LIT8), 0 } },
 258     & ifmt_xorw_l, { 0x7000 }
 259   },
 260 /* loadl $addr16l */
 261   {
 262     { 0, 0, 0, 0 },
 263     { { MNEM, ' ', OP (ADDR16L), 0 } },
 264     & ifmt_loadl_a, { 0x7100 }
 265   },
 266 /* loadh $addr16h */
 267   {
 268     { 0, 0, 0, 0 },
 269     { { MNEM, ' ', OP (ADDR16H), 0 } },
 270     & ifmt_loadh_a, { 0x7000 }
 271   },
 272 /* addc $fr,W */
 273   {
 274     { 0, 0, 0, 0 },
 275     { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
 276     & ifmt_addcfr_w, { 0x5e00 }
 277   },
 278 /* addc W,$fr */
 279   {
 280     { 0, 0, 0, 0 },
 281     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 282     & ifmt_addcfr_w, { 0x5c00 }
 283   },
 284 /* incsnz $fr */
 285   {
 286     { 0, 0, 0, 0 },
 287     { { MNEM, ' ', OP (FR), 0 } },
 288     & ifmt_addcfr_w, { 0x5a00 }
 289   },
 290 /* incsnz W,$fr */
 291   {
 292     { 0, 0, 0, 0 },
 293     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 294     & ifmt_addcfr_w, { 0x5800 }
 295   },
 296 /* muls W,$fr */
 297   {
 298     { 0, 0, 0, 0 },
 299     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 300     & ifmt_addcfr_w, { 0x5400 }
 301   },
 302 /* mulu W,$fr */
 303   {
 304     { 0, 0, 0, 0 },
 305     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 306     & ifmt_addcfr_w, { 0x5000 }
 307   },
 308 /* decsnz $fr */
 309   {
 310     { 0, 0, 0, 0 },
 311     { { MNEM, ' ', OP (FR), 0 } },
 312     & ifmt_addcfr_w, { 0x4e00 }
 313   },
 314 /* decsnz W,$fr */
 315   {
 316     { 0, 0, 0, 0 },
 317     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 318     & ifmt_addcfr_w, { 0x4c00 }
 319   },
 320 /* subc W,$fr */
 321   {
 322     { 0, 0, 0, 0 },
 323     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 324     & ifmt_addcfr_w, { 0x4800 }
 325   },
 326 /* subc $fr,W */
 327   {
 328     { 0, 0, 0, 0 },
 329     { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
 330     & ifmt_addcfr_w, { 0x4a00 }
 331   },
 332 /* pop $fr */
 333   {
 334     { 0, 0, 0, 0 },
 335     { { MNEM, ' ', OP (FR), 0 } },
 336     & ifmt_addcfr_w, { 0x4600 }
 337   },
 338 /* push $fr */
 339   {
 340     { 0, 0, 0, 0 },
 341     { { MNEM, ' ', OP (FR), 0 } },
 342     & ifmt_addcfr_w, { 0x4400 }
 343   },
 344 /* cse W,$fr */
 345   {
 346     { 0, 0, 0, 0 },
 347     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 348     & ifmt_addcfr_w, { 0x4200 }
 349   },
 350 /* csne W,$fr */
 351   {
 352     { 0, 0, 0, 0 },
 353     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 354     & ifmt_addcfr_w, { 0x4000 }
 355   },
 356 /* incsz $fr */
 357   {
 358     { 0, 0, 0, 0 },
 359     { { MNEM, ' ', OP (FR), 0 } },
 360     & ifmt_addcfr_w, { 0x3e00 }
 361   },
 362 /* incsz W,$fr */
 363   {
 364     { 0, 0, 0, 0 },
 365     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 366     & ifmt_addcfr_w, { 0x3c00 }
 367   },
 368 /* swap $fr */
 369   {
 370     { 0, 0, 0, 0 },
 371     { { MNEM, ' ', OP (FR), 0 } },
 372     & ifmt_addcfr_w, { 0x3a00 }
 373   },
 374 /* swap W,$fr */
 375   {
 376     { 0, 0, 0, 0 },
 377     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 378     & ifmt_addcfr_w, { 0x3800 }
 379   },
 380 /* rl $fr */
 381   {
 382     { 0, 0, 0, 0 },
 383     { { MNEM, ' ', OP (FR), 0 } },
 384     & ifmt_addcfr_w, { 0x3600 }
 385   },
 386 /* rl W,$fr */
 387   {
 388     { 0, 0, 0, 0 },
 389     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 390     & ifmt_addcfr_w, { 0x3400 }
 391   },
 392 /* rr $fr */
 393   {
 394     { 0, 0, 0, 0 },
 395     { { MNEM, ' ', OP (FR), 0 } },
 396     & ifmt_addcfr_w, { 0x3200 }
 397   },
 398 /* rr W,$fr */
 399   {
 400     { 0, 0, 0, 0 },
 401     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 402     & ifmt_addcfr_w, { 0x3000 }
 403   },
 404 /* decsz $fr */
 405   {
 406     { 0, 0, 0, 0 },
 407     { { MNEM, ' ', OP (FR), 0 } },
 408     & ifmt_addcfr_w, { 0x2e00 }
 409   },
 410 /* decsz W,$fr */
 411   {
 412     { 0, 0, 0, 0 },
 413     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 414     & ifmt_addcfr_w, { 0x2c00 }
 415   },
 416 /* inc $fr */
 417   {
 418     { 0, 0, 0, 0 },
 419     { { MNEM, ' ', OP (FR), 0 } },
 420     & ifmt_addcfr_w, { 0x2a00 }
 421   },
 422 /* inc W,$fr */
 423   {
 424     { 0, 0, 0, 0 },
 425     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 426     & ifmt_addcfr_w, { 0x2800 }
 427   },
 428 /* not $fr */
 429   {
 430     { 0, 0, 0, 0 },
 431     { { MNEM, ' ', OP (FR), 0 } },
 432     & ifmt_addcfr_w, { 0x2600 }
 433   },
 434 /* not W,$fr */
 435   {
 436     { 0, 0, 0, 0 },
 437     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 438     & ifmt_addcfr_w, { 0x2400 }
 439   },
 440 /* test $fr */
 441   {
 442     { 0, 0, 0, 0 },
 443     { { MNEM, ' ', OP (FR), 0 } },
 444     & ifmt_addcfr_w, { 0x2200 }
 445   },
 446 /* mov W,#$lit8 */
 447   {
 448     { 0, 0, 0, 0 },
 449     { { MNEM, ' ', 'W', ',', '#', OP (LIT8), 0 } },
 450     & ifmt_xorw_l, { 0x7c00 }
 451   },
 452 /* mov $fr,W */
 453   {
 454     { 0, 0, 0, 0 },
 455     { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
 456     & ifmt_addcfr_w, { 0x200 }
 457   },
 458 /* mov W,$fr */
 459   {
 460     { 0, 0, 0, 0 },
 461     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 462     & ifmt_addcfr_w, { 0x2000 }
 463   },
 464 /* add $fr,W */
 465   {
 466     { 0, 0, 0, 0 },
 467     { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
 468     & ifmt_addcfr_w, { 0x1e00 }
 469   },
 470 /* add W,$fr */
 471   {
 472     { 0, 0, 0, 0 },
 473     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 474     & ifmt_addcfr_w, { 0x1c00 }
 475   },
 476 /* xor $fr,W */
 477   {
 478     { 0, 0, 0, 0 },
 479     { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
 480     & ifmt_addcfr_w, { 0x1a00 }
 481   },
 482 /* xor W,$fr */
 483   {
 484     { 0, 0, 0, 0 },
 485     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 486     & ifmt_addcfr_w, { 0x1800 }
 487   },
 488 /* and $fr,W */
 489   {
 490     { 0, 0, 0, 0 },
 491     { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
 492     & ifmt_addcfr_w, { 0x1600 }
 493   },
 494 /* and W,$fr */
 495   {
 496     { 0, 0, 0, 0 },
 497     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 498     & ifmt_addcfr_w, { 0x1400 }
 499   },
 500 /* or $fr,W */
 501   {
 502     { 0, 0, 0, 0 },
 503     { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
 504     & ifmt_addcfr_w, { 0x1200 }
 505   },
 506 /* or W,$fr */
 507   {
 508     { 0, 0, 0, 0 },
 509     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 510     & ifmt_addcfr_w, { 0x1000 }
 511   },
 512 /* dec $fr */
 513   {
 514     { 0, 0, 0, 0 },
 515     { { MNEM, ' ', OP (FR), 0 } },
 516     & ifmt_addcfr_w, { 0xe00 }
 517   },
 518 /* dec W,$fr */
 519   {
 520     { 0, 0, 0, 0 },
 521     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 522     & ifmt_addcfr_w, { 0xc00 }
 523   },
 524 /* sub $fr,W */
 525   {
 526     { 0, 0, 0, 0 },
 527     { { MNEM, ' ', OP (FR), ',', 'W', 0 } },
 528     & ifmt_addcfr_w, { 0xa00 }
 529   },
 530 /* sub W,$fr */
 531   {
 532     { 0, 0, 0, 0 },
 533     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 534     & ifmt_addcfr_w, { 0x800 }
 535   },
 536 /* clr $fr */
 537   {
 538     { 0, 0, 0, 0 },
 539     { { MNEM, ' ', OP (FR), 0 } },
 540     & ifmt_addcfr_w, { 0x600 }
 541   },
 542 /* cmp W,$fr */
 543   {
 544     { 0, 0, 0, 0 },
 545     { { MNEM, ' ', 'W', ',', OP (FR), 0 } },
 546     & ifmt_addcfr_w, { 0x400 }
 547   },
 548 /* speed #$lit8 */
 549   {
 550     { 0, 0, 0, 0 },
 551     { { MNEM, ' ', '#', OP (LIT8), 0 } },
 552     & ifmt_speed, { 0x100 }
 553   },
 554 /* ireadi */
 555   {
 556     { 0, 0, 0, 0 },
 557     { { MNEM, 0 } },
 558     & ifmt_ireadi, { 0x1d }
 559   },
 560 /* iwritei */
 561   {
 562     { 0, 0, 0, 0 },
 563     { { MNEM, 0 } },
 564     & ifmt_ireadi, { 0x1c }
 565   },
 566 /* fread */
 567   {
 568     { 0, 0, 0, 0 },
 569     { { MNEM, 0 } },
 570     & ifmt_ireadi, { 0x1b }
 571   },
 572 /* fwrite */
 573   {
 574     { 0, 0, 0, 0 },
 575     { { MNEM, 0 } },
 576     & ifmt_ireadi, { 0x1a }
 577   },
 578 /* iread */
 579   {
 580     { 0, 0, 0, 0 },
 581     { { MNEM, 0 } },
 582     & ifmt_ireadi, { 0x19 }
 583   },
 584 /* iwrite */
 585   {
 586     { 0, 0, 0, 0 },
 587     { { MNEM, 0 } },
 588     & ifmt_ireadi, { 0x18 }
 589   },
 590 /* page $addr16p */
 591   {
 592     { 0, 0, 0, 0 },
 593     { { MNEM, ' ', OP (ADDR16P), 0 } },
 594     & ifmt_page, { 0x10 }
 595   },
 596 /* system */
 597   {
 598     { 0, 0, 0, 0 },
 599     { { MNEM, 0 } },
 600     & ifmt_ireadi, { 0xff }
 601   },
 602 /* reti #$reti3 */
 603   {
 604     { 0, 0, 0, 0 },
 605     { { MNEM, ' ', '#', OP (RETI3), 0 } },
 606     & ifmt_reti, { 0x8 }
 607   },
 608 /* ret */
 609   {
 610     { 0, 0, 0, 0 },
 611     { { MNEM, 0 } },
 612     & ifmt_ireadi, { 0x7 }
 613   },
 614 /* int */
 615   {
 616     { 0, 0, 0, 0 },
 617     { { MNEM, 0 } },
 618     & ifmt_ireadi, { 0x6 }
 619   },
 620 /* breakx */
 621   {
 622     { 0, 0, 0, 0 },
 623     { { MNEM, 0 } },
 624     & ifmt_ireadi, { 0x5 }
 625   },
 626 /* cwdt */
 627   {
 628     { 0, 0, 0, 0 },
 629     { { MNEM, 0 } },
 630     & ifmt_ireadi, { 0x4 }
 631   },
 632 /* ferase */
 633   {
 634     { 0, 0, 0, 0 },
 635     { { MNEM, 0 } },
 636     & ifmt_ireadi, { 0x3 }
 637   },
 638 /* retnp */
 639   {
 640     { 0, 0, 0, 0 },
 641     { { MNEM, 0 } },
 642     & ifmt_ireadi, { 0x2 }
 643   },
 644 /* break */
 645   {
 646     { 0, 0, 0, 0 },
 647     { { MNEM, 0 } },
 648     & ifmt_ireadi, { 0x1 }
 649   },
 650 /* nop */
 651   {
 652     { 0, 0, 0, 0 },
 653     { { MNEM, 0 } },
 654     & ifmt_ireadi, { 0x0 }
 655   },
 656 };
 657
 658 #undef A
 659 #undef OPERAND
 660 #undef MNEM
 661 #undef OP
 662
 663 /* Formats for ALIAS macro-insns.  */
 664
 665 #define F(f) & ip2k_cgen_ifld_table[IP2K_##f]
 666 static const CGEN_IFMT ifmt_sc ATTRIBUTE_UNUSED = {
 667   16, 16, 0xffff, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
 668 };
 669
 670 static const CGEN_IFMT ifmt_snc ATTRIBUTE_UNUSED = {
 671   16, 16, 0xffff, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
 672 };
 673
 674 static const CGEN_IFMT ifmt_sz ATTRIBUTE_UNUSED = {
 675   16, 16, 0xffff, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
 676 };
 677
 678 static const CGEN_IFMT ifmt_snz ATTRIBUTE_UNUSED = {
 679   16, 16, 0xffff, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
 680 };
 681
 682 static const CGEN_IFMT ifmt_skip ATTRIBUTE_UNUSED = {
 683   16, 16, 0xffff, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
 684 };
 685
 686 static const CGEN_IFMT ifmt_skipb ATTRIBUTE_UNUSED = {
 687   16, 16, 0xffff, { { F (F_OP4) }, { F (F_BITNO) }, { F (F_REG) }, { 0 } }
 688 };
 689
 690 #undef F
 691
 692 /* Each non-simple macro entry points to an array of expansion possibilities.  */
 693
 694 #define A(a) (1 << CGEN_INSN_##a)
 695 #define OPERAND(op) IP2K_OPERAND_##op
 696 #define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
 697 #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
 698
 699 /* The macro instruction table.  */
 700
 701 static const CGEN_IBASE ip2k_cgen_macro_insn_table[] =
 702 {
 703 /* sc */
 704   {
 705     -1, "sc", "sc", 16,
 706     { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } }
 707   },
 708 /* snc */
 709   {
 710     -1, "snc", "snc", 16,
 711     { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } }
 712   },
 713 /* sz */
 714   {
 715     -1, "sz", "sz", 16,
 716     { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } }
 717   },
 718 /* snz */
 719   {
 720     -1, "snz", "snz", 16,
 721     { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } }
 722   },
 723 /* skip */
 724   {
 725     -1, "skip", "skip", 16,
 726     { 0|A(SKIPA)|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } }
 727   },
 728 /* skip */
 729   {
 730     -1, "skipb", "skip", 16,
 731     { 0|A(SKIPA)|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } }
 732   },
 733 };
 734
 735 /* The macro instruction opcode table.  */
 736
 737 static const CGEN_OPCODE ip2k_cgen_macro_insn_opcode_table[] =
 738 {
 739 /* sc */
 740   {
 741     { 0, 0, 0, 0 },
 742     { { MNEM, 0 } },
 743     & ifmt_sc, { 0xb00b }
 744   },
 745 /* snc */
 746   {
 747     { 0, 0, 0, 0 },
 748     { { MNEM, 0 } },
 749     & ifmt_snc, { 0xa00b }
 750   },
 751 /* sz */
 752   {
 753     { 0, 0, 0, 0 },
 754     { { MNEM, 0 } },
 755     & ifmt_sz, { 0xb40b }
 756   },
 757 /* snz */
 758   {
 759     { 0, 0, 0, 0 },
 760     { { MNEM, 0 } },
 761     & ifmt_snz, { 0xa40b }
 762   },
 763 /* skip */
 764   {
 765     { 0, 0, 0, 0 },
 766     { { MNEM, 0 } },
 767     & ifmt_skip, { 0xa009 }
 768   },
 769 /* skip */
 770   {
 771     { 0, 0, 0, 0 },
 772     { { MNEM, 0 } },
 773     & ifmt_skipb, { 0xb009 }
 774   },
 775 };
 776
 777 #undef A
 778 #undef OPERAND
 779 #undef MNEM
 780 #undef OP
 781
 782 #ifndef CGEN_ASM_HASH_P
 783 #define CGEN_ASM_HASH_P(insn) 1
 784 #endif
 785
 786 #ifndef CGEN_DIS_HASH_P
 787 #define CGEN_DIS_HASH_P(insn) 1
 788 #endif
 789
 790 /* Return non-zero if INSN is to be added to the hash table.
 791    Targets are free to override CGEN_{ASM,DIS}_HASH_P in the .opc file.  */
 792
 793 static int
 794 asm_hash_insn_p (const CGEN_INSN *insn ATTRIBUTE_UNUSED)
 795 {
 796   return CGEN_ASM_HASH_P (insn);
 797 }
 798
 799 static int
 800 dis_hash_insn_p (const CGEN_INSN *insn)
 801 {
 802   /* If building the hash table and the NO-DIS attribute is present,
 803      ignore.  */
 804   if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_NO_DIS))
 805     return 0;
 806   return CGEN_DIS_HASH_P (insn);
 807 }
 808
 809 #ifndef CGEN_ASM_HASH
 810 #define CGEN_ASM_HASH_SIZE 127
 811 #ifdef CGEN_MNEMONIC_OPERANDS
 812 #define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE)
 813 #else
 814 #define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE) /*FIXME*/
 815 #endif
 816 #endif
 817
 818 /* It doesn't make much sense to provide a default here,
 819    but while this is under development we do.
 820    BUFFER is a pointer to the bytes of the insn, target order.
 821    VALUE is the first base_insn_bitsize bits as an int in host order.  */
 822
 823 #ifndef CGEN_DIS_HASH
 824 #define CGEN_DIS_HASH_SIZE 256
 825 #define CGEN_DIS_HASH(buf, value) (*(unsigned char *) (buf))
 826 #endif
 827
 828 /* The result is the hash value of the insn.
 829    Targets are free to override CGEN_{ASM,DIS}_HASH in the .opc file.  */
 830
 831 static unsigned int
 832 asm_hash_insn (const char *mnem)
 833 {
 834   return CGEN_ASM_HASH (mnem);
 835 }
 836
 837 /* BUF is a pointer to the bytes of the insn, target order.
 838    VALUE is the first base_insn_bitsize bits as an int in host order.  */
 839
 840 static unsigned int
 841 dis_hash_insn (const char *buf ATTRIBUTE_UNUSED,
 842                      CGEN_INSN_INT value ATTRIBUTE_UNUSED)
 843 {
 844   return CGEN_DIS_HASH (buf, value);
 845 }
 846
 847 /* Set the recorded length of the insn in the CGEN_FIELDS struct.  */
 848
 849 static void
 850 set_fields_bitsize (CGEN_FIELDS *fields, int size)
 851 {
 852   CGEN_FIELDS_BITSIZE (fields) = size;
 853 }
 854
 855 /* Function to call before using the operand instance table.
 856    This plugs the opcode entries and macro instructions into the cpu table.  */
 857
 858 void
 859 ip2k_cgen_init_opcode_table (CGEN_CPU_DESC cd)
 860 {
 861   int i;
 862   int num_macros = (sizeof (ip2k_cgen_macro_insn_table) /
 863                     sizeof (ip2k_cgen_macro_insn_table[0]));
 864   const CGEN_IBASE *ib = & ip2k_cgen_macro_insn_table[0];
 865   const CGEN_OPCODE *oc = & ip2k_cgen_macro_insn_opcode_table[0];
 866   CGEN_INSN *insns = xmalloc (num_macros * sizeof (CGEN_INSN));
 867
 868   /* This test has been added to avoid a warning generated
 869      if memset is called with a third argument of value zero.  */
 870   if (num_macros >= 1)
 871     memset (insns, 0, num_macros * sizeof (CGEN_INSN));
 872   for (i = 0; i < num_macros; ++i)
 873     {
 874       insns[i].base = &ib[i];
 875       insns[i].opcode = &oc[i];
 876       ip2k_cgen_build_insn_regex (& insns[i]);
 877     }
 878   cd->macro_insn_table.init_entries = insns;
 879   cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE);
 880   cd->macro_insn_table.num_init_entries = num_macros;
 881
 882   oc = & ip2k_cgen_insn_opcode_table[0];
 883   insns = (CGEN_INSN *) cd->insn_table.init_entries;
 884   for (i = 0; i < MAX_INSNS; ++i)
 885     {
 886       insns[i].opcode = &oc[i];
 887       ip2k_cgen_build_insn_regex (& insns[i]);
 888     }
 889
 890   cd->sizeof_fields = sizeof (CGEN_FIELDS);
 891   cd->set_fields_bitsize = set_fields_bitsize;
 892
 893   cd->asm_hash_p = asm_hash_insn_p;
 894   cd->asm_hash = asm_hash_insn;
 895   cd->asm_hash_size = CGEN_ASM_HASH_SIZE;
 896
 897   cd->dis_hash_p = dis_hash_insn_p;
 898   cd->dis_hash = dis_hash_insn;
 899   cd->dis_hash_size = CGEN_DIS_HASH_SIZE;
 900 }