opcodes/iq2000-ibld.c

   1 /* Instruction building/extraction support for iq2000. -*- C -*-
   2
   3 THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
   4 - the resultant file is machine generated, cgen-ibld.in isn't
   5
   6 Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
   7
   8 This file is part of the GNU Binutils and GDB, the GNU debugger.
   9
  10 This program 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 2, or (at your option)
  13 any later version.
  14
  15 This program is distributed in the hope that it will be useful,
  16 but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 GNU General Public License for more details.
  19
  20 You should have received a copy of the GNU General Public License
  21 along with this program; if not, write to the Free Software Foundation, Inc.,
  22 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  23
  24 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
  25    Keep that in mind.  */
  26
  27 #include "sysdep.h"
  28 #include <stdio.h>
  29 #include "ansidecl.h"
  30 #include "dis-asm.h"
  31 #include "bfd.h"
  32 #include "symcat.h"
  33 #include "iq2000-desc.h"
  34 #include "iq2000-opc.h"
  35 #include "opintl.h"
  36 #include "safe-ctype.h"
  37
  38 #undef min
  39 #define min(a,b) ((a) < (b) ? (a) : (b))
  40 #undef max
  41 #define max(a,b) ((a) > (b) ? (a) : (b))
  42
  43 /* Used by the ifield rtx function.  */
  44 #define FLD(f) (fields->f)
  45
  46 static const char * insert_normal
  47   (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
  48    unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);
  49 static const char * insert_insn_normal
  50   (CGEN_CPU_DESC, const CGEN_INSN *,
  51    CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
  52 static int extract_normal
  53   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
  54    unsigned int, unsigned int, unsigned int, unsigned int,
  55    unsigned int, unsigned int, bfd_vma, long *);
  56 static int extract_insn_normal
  57   (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
  58    CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
  59 #if CGEN_INT_INSN_P
  60 static void put_insn_int_value
  61   (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
  62 #endif
  63 #if ! CGEN_INT_INSN_P
  64 static CGEN_INLINE void insert_1
  65   (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
  66 static CGEN_INLINE int fill_cache
  67   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *,  int, int, bfd_vma);
  68 static CGEN_INLINE long extract_1
  69   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
  70 #endif
  71 \f
  72 /* Operand insertion.  */
  73
  74 #if ! CGEN_INT_INSN_P
  75
  76 /* Subroutine of insert_normal.  */
  77
  78 static CGEN_INLINE void
  79 insert_1 (CGEN_CPU_DESC cd,
  80           unsigned long value,
  81           int start,
  82           int length,
  83           int word_length,
  84           unsigned char *bufp)
  85 {
  86   unsigned long x,mask;
  87   int shift;
  88
  89   x = cgen_get_insn_value (cd, bufp, word_length);
  90
  91   /* Written this way to avoid undefined behaviour.  */
  92   mask = (((1L << (length - 1)) - 1) << 1) | 1;
  93   if (CGEN_INSN_LSB0_P)
  94     shift = (start + 1) - length;
  95   else
  96     shift = (word_length - (start + length));
  97   x = (x & ~(mask << shift)) | ((value & mask) << shift);
  98
  99   cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x);
 100 }
 101
 102 #endif /* ! CGEN_INT_INSN_P */
 103
 104 /* Default insertion routine.
 105
 106    ATTRS is a mask of the boolean attributes.
 107    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 108    WORD_LENGTH is the length of the word in bits in which the value resides.
 109    START is the starting bit number in the word, architecture origin.
 110    LENGTH is the length of VALUE in bits.
 111    TOTAL_LENGTH is the total length of the insn in bits.
 112
 113    The result is an error message or NULL if success.  */
 114
 115 /* ??? This duplicates functionality with bfd's howto table and
 116    bfd_install_relocation.  */
 117 /* ??? This doesn't handle bfd_vma's.  Create another function when
 118    necessary.  */
 119
 120 static const char *
 121 insert_normal (CGEN_CPU_DESC cd,
 122                long value,
 123                unsigned int attrs,
 124                unsigned int word_offset,
 125                unsigned int start,
 126                unsigned int length,
 127                unsigned int word_length,
 128                unsigned int total_length,
 129                CGEN_INSN_BYTES_PTR buffer)
 130 {
 131   static char errbuf[100];
 132   /* Written this way to avoid undefined behaviour.  */
 133   unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1;
 134
 135   /* If LENGTH is zero, this operand doesn't contribute to the value.  */
 136   if (length == 0)
 137     return NULL;
 138
 139 #if 0
 140   if (CGEN_INT_INSN_P
 141       && word_offset != 0)
 142     abort ();
 143 #endif
 144
 145   if (word_length > 32)
 146     abort ();
 147
 148   /* For architectures with insns smaller than the base-insn-bitsize,
 149      word_length may be too big.  */
 150   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 151     {
 152       if (word_offset == 0
 153           && word_length > total_length)
 154         word_length = total_length;
 155     }
 156
 157   /* Ensure VALUE will fit.  */
 158   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
 159     {
 160       long minval = - (1L << (length - 1));
 161       unsigned long maxval = mask;
 162
 163       if ((value > 0 && (unsigned long) value > maxval)
 164           || value < minval)
 165         {
 166           /* xgettext:c-format */
 167           sprintf (errbuf,
 168                    _("operand out of range (%ld not between %ld and %lu)"),
 169                    value, minval, maxval);
 170           return errbuf;
 171         }
 172     }
 173   else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
 174     {
 175       unsigned long maxval = mask;
 176
 177       if ((unsigned long) value > maxval)
 178         {
 179           /* xgettext:c-format */
 180           sprintf (errbuf,
 181                    _("operand out of range (%lu not between 0 and %lu)"),
 182                    value, maxval);
 183           return errbuf;
 184         }
 185     }
 186   else
 187     {
 188       if (! cgen_signed_overflow_ok_p (cd))
 189         {
 190           long minval = - (1L << (length - 1));
 191           long maxval =   (1L << (length - 1)) - 1;
 192
 193           if (value < minval || value > maxval)
 194             {
 195               sprintf
 196                 /* xgettext:c-format */
 197                 (errbuf, _("operand out of range (%ld not between %ld and %ld)"),
 198                  value, minval, maxval);
 199               return errbuf;
 200             }
 201         }
 202     }
 203
 204 #if CGEN_INT_INSN_P
 205
 206   {
 207     int shift;
 208
 209     if (CGEN_INSN_LSB0_P)
 210       shift = (word_offset + start + 1) - length;
 211     else
 212       shift = total_length - (word_offset + start + length);
 213     *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
 214   }
 215
 216 #else /* ! CGEN_INT_INSN_P */
 217
 218   {
 219     unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
 220
 221     insert_1 (cd, value, start, length, word_length, bufp);
 222   }
 223
 224 #endif /* ! CGEN_INT_INSN_P */
 225
 226   return NULL;
 227 }
 228
 229 /* Default insn builder (insert handler).
 230    The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
 231    that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
 232    recorded in host byte order, otherwise BUFFER is an array of bytes
 233    and the value is recorded in target byte order).
 234    The result is an error message or NULL if success.  */
 235
 236 static const char *
 237 insert_insn_normal (CGEN_CPU_DESC cd,
 238                     const CGEN_INSN * insn,
 239                     CGEN_FIELDS * fields,
 240                     CGEN_INSN_BYTES_PTR buffer,
 241                     bfd_vma pc)
 242 {
 243   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 244   unsigned long value;
 245   const CGEN_SYNTAX_CHAR_TYPE * syn;
 246
 247   CGEN_INIT_INSERT (cd);
 248   value = CGEN_INSN_BASE_VALUE (insn);
 249
 250   /* If we're recording insns as numbers (rather than a string of bytes),
 251      target byte order handling is deferred until later.  */
 252
 253 #if CGEN_INT_INSN_P
 254
 255   put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
 256                       CGEN_FIELDS_BITSIZE (fields), value);
 257
 258 #else
 259
 260   cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
 261                                         (unsigned) CGEN_FIELDS_BITSIZE (fields)),
 262                        value);
 263
 264 #endif /* ! CGEN_INT_INSN_P */
 265
 266   /* ??? It would be better to scan the format's fields.
 267      Still need to be able to insert a value based on the operand though;
 268      e.g. storing a branch displacement that got resolved later.
 269      Needs more thought first.  */
 270
 271   for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
 272     {
 273       const char *errmsg;
 274
 275       if (CGEN_SYNTAX_CHAR_P (* syn))
 276         continue;
 277
 278       errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 279                                        fields, buffer, pc);
 280       if (errmsg)
 281         return errmsg;
 282     }
 283
 284   return NULL;
 285 }
 286
 287 #if CGEN_INT_INSN_P
 288 /* Cover function to store an insn value into an integral insn.  Must go here
 289  because it needs <prefix>-desc.h for CGEN_INT_INSN_P.  */
 290
 291 static void
 292 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 293                     CGEN_INSN_BYTES_PTR buf,
 294                     int length,
 295                     int insn_length,
 296                     CGEN_INSN_INT value)
 297 {
 298   /* For architectures with insns smaller than the base-insn-bitsize,
 299      length may be too big.  */
 300   if (length > insn_length)
 301     *buf = value;
 302   else
 303     {
 304       int shift = insn_length - length;
 305       /* Written this way to avoid undefined behaviour.  */
 306       CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
 307       *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
 308     }
 309 }
 310 #endif
 311 \f
 312 /* Operand extraction.  */
 313
 314 #if ! CGEN_INT_INSN_P
 315
 316 /* Subroutine of extract_normal.
 317    Ensure sufficient bytes are cached in EX_INFO.
 318    OFFSET is the offset in bytes from the start of the insn of the value.
 319    BYTES is the length of the needed value.
 320    Returns 1 for success, 0 for failure.  */
 321
 322 static CGEN_INLINE int
 323 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 324             CGEN_EXTRACT_INFO *ex_info,
 325             int offset,
 326             int bytes,
 327             bfd_vma pc)
 328 {
 329   /* It's doubtful that the middle part has already been fetched so
 330      we don't optimize that case.  kiss.  */
 331   unsigned int mask;
 332   disassemble_info *info = (disassemble_info *) ex_info->dis_info;
 333
 334   /* First do a quick check.  */
 335   mask = (1 << bytes) - 1;
 336   if (((ex_info->valid >> offset) & mask) == mask)
 337     return 1;
 338
 339   /* Search for the first byte we need to read.  */
 340   for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
 341     if (! (mask & ex_info->valid))
 342       break;
 343
 344   if (bytes)
 345     {
 346       int status;
 347
 348       pc += offset;
 349       status = (*info->read_memory_func)
 350         (pc, ex_info->insn_bytes + offset, bytes, info);
 351
 352       if (status != 0)
 353         {
 354           (*info->memory_error_func) (status, pc, info);
 355           return 0;
 356         }
 357
 358       ex_info->valid |= ((1 << bytes) - 1) << offset;
 359     }
 360
 361   return 1;
 362 }
 363
 364 /* Subroutine of extract_normal.  */
 365
 366 static CGEN_INLINE long
 367 extract_1 (CGEN_CPU_DESC cd,
 368            CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 369            int start,
 370            int length,
 371            int word_length,
 372            unsigned char *bufp,
 373            bfd_vma pc ATTRIBUTE_UNUSED)
 374 {
 375   unsigned long x;
 376   int shift;
 377 #if 0
 378   int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG;
 379 #endif
 380   x = cgen_get_insn_value (cd, bufp, word_length);
 381
 382   if (CGEN_INSN_LSB0_P)
 383     shift = (start + 1) - length;
 384   else
 385     shift = (word_length - (start + length));
 386   return x >> shift;
 387 }
 388
 389 #endif /* ! CGEN_INT_INSN_P */
 390
 391 /* Default extraction routine.
 392
 393    INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
 394    or sometimes less for cases like the m32r where the base insn size is 32
 395    but some insns are 16 bits.
 396    ATTRS is a mask of the boolean attributes.  We only need `SIGNED',
 397    but for generality we take a bitmask of all of them.
 398    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 399    WORD_LENGTH is the length of the word in bits in which the value resides.
 400    START is the starting bit number in the word, architecture origin.
 401    LENGTH is the length of VALUE in bits.
 402    TOTAL_LENGTH is the total length of the insn in bits.
 403
 404    Returns 1 for success, 0 for failure.  */
 405
 406 /* ??? The return code isn't properly used.  wip.  */
 407
 408 /* ??? This doesn't handle bfd_vma's.  Create another function when
 409    necessary.  */
 410
 411 static int
 412 extract_normal (CGEN_CPU_DESC cd,
 413 #if ! CGEN_INT_INSN_P
 414                 CGEN_EXTRACT_INFO *ex_info,
 415 #else
 416                 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 417 #endif
 418                 CGEN_INSN_INT insn_value,
 419                 unsigned int attrs,
 420                 unsigned int word_offset,
 421                 unsigned int start,
 422                 unsigned int length,
 423                 unsigned int word_length,
 424                 unsigned int total_length,
 425 #if ! CGEN_INT_INSN_P
 426                 bfd_vma pc,
 427 #else
 428                 bfd_vma pc ATTRIBUTE_UNUSED,
 429 #endif
 430                 long *valuep)
 431 {
 432   long value, mask;
 433
 434   /* If LENGTH is zero, this operand doesn't contribute to the value
 435      so give it a standard value of zero.  */
 436   if (length == 0)
 437     {
 438       *valuep = 0;
 439       return 1;
 440     }
 441
 442 #if 0
 443   if (CGEN_INT_INSN_P
 444       && word_offset != 0)
 445     abort ();
 446 #endif
 447
 448   if (word_length > 32)
 449     abort ();
 450
 451   /* For architectures with insns smaller than the insn-base-bitsize,
 452      word_length may be too big.  */
 453   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 454     {
 455       if (word_offset == 0
 456           && word_length > total_length)
 457         word_length = total_length;
 458     }
 459
 460   /* Does the value reside in INSN_VALUE, and at the right alignment?  */
 461
 462   if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
 463     {
 464       if (CGEN_INSN_LSB0_P)
 465         value = insn_value >> ((word_offset + start + 1) - length);
 466       else
 467         value = insn_value >> (total_length - ( word_offset + start + length));
 468     }
 469
 470 #if ! CGEN_INT_INSN_P
 471
 472   else
 473     {
 474       unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
 475
 476       if (word_length > 32)
 477         abort ();
 478
 479       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
 480         return 0;
 481
 482       value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
 483     }
 484
 485 #endif /* ! CGEN_INT_INSN_P */
 486
 487   /* Written this way to avoid undefined behaviour.  */
 488   mask = (((1L << (length - 1)) - 1) << 1) | 1;
 489
 490   value &= mask;
 491   /* sign extend? */
 492   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
 493       && (value & (1L << (length - 1))))
 494     value |= ~mask;
 495
 496   *valuep = value;
 497
 498   return 1;
 499 }
 500
 501 /* Default insn extractor.
 502
 503    INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
 504    The extracted fields are stored in FIELDS.
 505    EX_INFO is used to handle reading variable length insns.
 506    Return the length of the insn in bits, or 0 if no match,
 507    or -1 if an error occurs fetching data (memory_error_func will have
 508    been called).  */
 509
 510 static int
 511 extract_insn_normal (CGEN_CPU_DESC cd,
 512                      const CGEN_INSN *insn,
 513                      CGEN_EXTRACT_INFO *ex_info,
 514                      CGEN_INSN_INT insn_value,
 515                      CGEN_FIELDS *fields,
 516                      bfd_vma pc)
 517 {
 518   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 519   const CGEN_SYNTAX_CHAR_TYPE *syn;
 520
 521   CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
 522
 523   CGEN_INIT_EXTRACT (cd);
 524
 525   for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
 526     {
 527       int length;
 528
 529       if (CGEN_SYNTAX_CHAR_P (*syn))
 530         continue;
 531
 532       length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 533                                         ex_info, insn_value, fields, pc);
 534       if (length <= 0)
 535         return length;
 536     }
 537
 538   /* We recognized and successfully extracted this insn.  */
 539   return CGEN_INSN_BITSIZE (insn);
 540 }
 541 \f
 542 /* machine generated code added here */
 543
 544 const char * iq2000_cgen_insert_operand
 545   PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma));
 546
 547 /* Main entry point for operand insertion.
 548
 549    This function is basically just a big switch statement.  Earlier versions
 550    used tables to look up the function to use, but
 551    - if the table contains both assembler and disassembler functions then
 552      the disassembler contains much of the assembler and vice-versa,
 553    - there's a lot of inlining possibilities as things grow,
 554    - using a switch statement avoids the function call overhead.
 555
 556    This function could be moved into `parse_insn_normal', but keeping it
 557    separate makes clear the interface between `parse_insn_normal' and each of
 558    the handlers.  It's also needed by GAS to insert operands that couldn't be
 559    resolved during parsing.  */
 560
 561 const char *
 562 iq2000_cgen_insert_operand (cd, opindex, fields, buffer, pc)
 563      CGEN_CPU_DESC cd;
 564      int opindex;
 565      CGEN_FIELDS * fields;
 566      CGEN_INSN_BYTES_PTR buffer;
 567      bfd_vma pc ATTRIBUTE_UNUSED;
 568 {
 569   const char * errmsg = NULL;
 570   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 571
 572   switch (opindex)
 573     {
 574     case IQ2000_OPERAND_BASE :
 575       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 576       break;
 577     case IQ2000_OPERAND_BASEOFF :
 578       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 579       break;
 580     case IQ2000_OPERAND_BITNUM :
 581       errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 582       break;
 583     case IQ2000_OPERAND_BYTECOUNT :
 584       errmsg = insert_normal (cd, fields->f_bytecount, 0, 0, 7, 8, 32, total_length, buffer);
 585       break;
 586     case IQ2000_OPERAND_CAM_Y :
 587       errmsg = insert_normal (cd, fields->f_cam_y, 0, 0, 2, 3, 32, total_length, buffer);
 588       break;
 589     case IQ2000_OPERAND_CAM_Z :
 590       errmsg = insert_normal (cd, fields->f_cam_z, 0, 0, 5, 3, 32, total_length, buffer);
 591       break;
 592     case IQ2000_OPERAND_CM_3FUNC :
 593       errmsg = insert_normal (cd, fields->f_cm_3func, 0, 0, 5, 3, 32, total_length, buffer);
 594       break;
 595     case IQ2000_OPERAND_CM_3Z :
 596       errmsg = insert_normal (cd, fields->f_cm_3z, 0, 0, 1, 2, 32, total_length, buffer);
 597       break;
 598     case IQ2000_OPERAND_CM_4FUNC :
 599       errmsg = insert_normal (cd, fields->f_cm_4func, 0, 0, 5, 4, 32, total_length, buffer);
 600       break;
 601     case IQ2000_OPERAND_CM_4Z :
 602       errmsg = insert_normal (cd, fields->f_cm_4z, 0, 0, 2, 3, 32, total_length, buffer);
 603       break;
 604     case IQ2000_OPERAND_COUNT :
 605       errmsg = insert_normal (cd, fields->f_count, 0, 0, 15, 7, 32, total_length, buffer);
 606       break;
 607     case IQ2000_OPERAND_EXECODE :
 608       errmsg = insert_normal (cd, fields->f_excode, 0, 0, 25, 20, 32, total_length, buffer);
 609       break;
 610     case IQ2000_OPERAND_F_INDEX :
 611       errmsg = insert_normal (cd, fields->f_index, 0, 0, 8, 9, 32, total_length, buffer);
 612       break;
 613     case IQ2000_OPERAND_HI16 :
 614       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 615       break;
 616     case IQ2000_OPERAND_IMM :
 617       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 618       break;
 619     case IQ2000_OPERAND_JMPTARG :
 620       {
 621         long value = fields->f_jtarg;
 622         value = ((unsigned int) (((value) & (262143))) >> (2));
 623         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, buffer);
 624       }
 625       break;
 626     case IQ2000_OPERAND_JMPTARGQ10 :
 627       {
 628         long value = fields->f_jtargq10;
 629         value = ((unsigned int) (((value) & (8388607))) >> (2));
 630         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, buffer);
 631       }
 632       break;
 633     case IQ2000_OPERAND_LO16 :
 634       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 635       break;
 636     case IQ2000_OPERAND_MASK :
 637       errmsg = insert_normal (cd, fields->f_mask, 0, 0, 9, 4, 32, total_length, buffer);
 638       break;
 639     case IQ2000_OPERAND_MASKL :
 640       errmsg = insert_normal (cd, fields->f_maskl, 0, 0, 4, 5, 32, total_length, buffer);
 641       break;
 642     case IQ2000_OPERAND_MASKQ10 :
 643       errmsg = insert_normal (cd, fields->f_maskq10, 0, 0, 10, 5, 32, total_length, buffer);
 644       break;
 645     case IQ2000_OPERAND_MASKR :
 646       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 647       break;
 648     case IQ2000_OPERAND_MLO16 :
 649       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 650       break;
 651     case IQ2000_OPERAND_OFFSET :
 652       {
 653         long value = fields->f_offset;
 654         value = ((int) (((value) - (pc))) >> (2));
 655         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, buffer);
 656       }
 657       break;
 658     case IQ2000_OPERAND_RD :
 659       errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
 660       break;
 661     case IQ2000_OPERAND_RD_RS :
 662       {
 663 {
 664   FLD (f_rd) = FLD (f_rd_rs);
 665   FLD (f_rs) = FLD (f_rd_rs);
 666 }
 667         errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
 668         if (errmsg)
 669           break;
 670         errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 671         if (errmsg)
 672           break;
 673       }
 674       break;
 675     case IQ2000_OPERAND_RD_RT :
 676       {
 677 {
 678   FLD (f_rd) = FLD (f_rd_rt);
 679   FLD (f_rt) = FLD (f_rd_rt);
 680 }
 681         errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
 682         if (errmsg)
 683           break;
 684         errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 685         if (errmsg)
 686           break;
 687       }
 688       break;
 689     case IQ2000_OPERAND_RS :
 690       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 691       break;
 692     case IQ2000_OPERAND_RT :
 693       errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 694       break;
 695     case IQ2000_OPERAND_RT_RS :
 696       {
 697 {
 698   FLD (f_rt) = FLD (f_rt_rs);
 699   FLD (f_rs) = FLD (f_rt_rs);
 700 }
 701         errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 702         if (errmsg)
 703           break;
 704         errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 705         if (errmsg)
 706           break;
 707       }
 708       break;
 709     case IQ2000_OPERAND_SHAMT :
 710       errmsg = insert_normal (cd, fields->f_shamt, 0, 0, 10, 5, 32, total_length, buffer);
 711       break;
 712
 713     default :
 714       /* xgettext:c-format */
 715       fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
 716                opindex);
 717       abort ();
 718   }
 719
 720   return errmsg;
 721 }
 722
 723 int iq2000_cgen_extract_operand
 724   PARAMS ((CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
 725            CGEN_FIELDS *, bfd_vma));
 726
 727 /* Main entry point for operand extraction.
 728    The result is <= 0 for error, >0 for success.
 729    ??? Actual values aren't well defined right now.
 730
 731    This function is basically just a big switch statement.  Earlier versions
 732    used tables to look up the function to use, but
 733    - if the table contains both assembler and disassembler functions then
 734      the disassembler contains much of the assembler and vice-versa,
 735    - there's a lot of inlining possibilities as things grow,
 736    - using a switch statement avoids the function call overhead.
 737
 738    This function could be moved into `print_insn_normal', but keeping it
 739    separate makes clear the interface between `print_insn_normal' and each of
 740    the handlers.  */
 741
 742 int
 743 iq2000_cgen_extract_operand (cd, opindex, ex_info, insn_value, fields, pc)
 744      CGEN_CPU_DESC cd;
 745      int opindex;
 746      CGEN_EXTRACT_INFO *ex_info;
 747      CGEN_INSN_INT insn_value;
 748      CGEN_FIELDS * fields;
 749      bfd_vma pc;
 750 {
 751   /* Assume success (for those operands that are nops).  */
 752   int length = 1;
 753   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 754
 755   switch (opindex)
 756     {
 757     case IQ2000_OPERAND_BASE :
 758       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 759       break;
 760     case IQ2000_OPERAND_BASEOFF :
 761       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 762       break;
 763     case IQ2000_OPERAND_BITNUM :
 764       length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 765       break;
 766     case IQ2000_OPERAND_BYTECOUNT :
 767       length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 8, 32, total_length, pc, & fields->f_bytecount);
 768       break;
 769     case IQ2000_OPERAND_CAM_Y :
 770       length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cam_y);
 771       break;
 772     case IQ2000_OPERAND_CAM_Z :
 773       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cam_z);
 774       break;
 775     case IQ2000_OPERAND_CM_3FUNC :
 776       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cm_3func);
 777       break;
 778     case IQ2000_OPERAND_CM_3Z :
 779       length = extract_normal (cd, ex_info, insn_value, 0, 0, 1, 2, 32, total_length, pc, & fields->f_cm_3z);
 780       break;
 781     case IQ2000_OPERAND_CM_4FUNC :
 782       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 4, 32, total_length, pc, & fields->f_cm_4func);
 783       break;
 784     case IQ2000_OPERAND_CM_4Z :
 785       length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cm_4z);
 786       break;
 787     case IQ2000_OPERAND_COUNT :
 788       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 7, 32, total_length, pc, & fields->f_count);
 789       break;
 790     case IQ2000_OPERAND_EXECODE :
 791       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 20, 32, total_length, pc, & fields->f_excode);
 792       break;
 793     case IQ2000_OPERAND_F_INDEX :
 794       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_index);
 795       break;
 796     case IQ2000_OPERAND_HI16 :
 797       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 798       break;
 799     case IQ2000_OPERAND_IMM :
 800       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 801       break;
 802     case IQ2000_OPERAND_JMPTARG :
 803       {
 804         long value;
 805         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, pc, & value);
 806         value = ((((pc) & (0xf0000000))) | (((value) << (2))));
 807         fields->f_jtarg = value;
 808       }
 809       break;
 810     case IQ2000_OPERAND_JMPTARGQ10 :
 811       {
 812         long value;
 813         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, pc, & value);
 814         value = ((((pc) & (0xf0000000))) | (((value) << (2))));
 815         fields->f_jtargq10 = value;
 816       }
 817       break;
 818     case IQ2000_OPERAND_LO16 :
 819       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 820       break;
 821     case IQ2000_OPERAND_MASK :
 822       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 4, 32, total_length, pc, & fields->f_mask);
 823       break;
 824     case IQ2000_OPERAND_MASKL :
 825       length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 5, 32, total_length, pc, & fields->f_maskl);
 826       break;
 827     case IQ2000_OPERAND_MASKQ10 :
 828       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_maskq10);
 829       break;
 830     case IQ2000_OPERAND_MASKR :
 831       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 832       break;
 833     case IQ2000_OPERAND_MLO16 :
 834       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 835       break;
 836     case IQ2000_OPERAND_OFFSET :
 837       {
 838         long value;
 839         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, pc, & value);
 840         value = ((((value) << (2))) + (((pc) + (4))));
 841         fields->f_offset = value;
 842       }
 843       break;
 844     case IQ2000_OPERAND_RD :
 845       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
 846       break;
 847     case IQ2000_OPERAND_RD_RS :
 848       {
 849         length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
 850         if (length <= 0) break;
 851         length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 852         if (length <= 0) break;
 853 {
 854   FLD (f_rd_rs) = FLD (f_rs);
 855 }
 856       }
 857       break;
 858     case IQ2000_OPERAND_RD_RT :
 859       {
 860         length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
 861         if (length <= 0) break;
 862         length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 863         if (length <= 0) break;
 864 {
 865   FLD (f_rd_rt) = FLD (f_rt);
 866 }
 867       }
 868       break;
 869     case IQ2000_OPERAND_RS :
 870       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 871       break;
 872     case IQ2000_OPERAND_RT :
 873       length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 874       break;
 875     case IQ2000_OPERAND_RT_RS :
 876       {
 877         length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 878         if (length <= 0) break;
 879         length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 880         if (length <= 0) break;
 881 {
 882   FLD (f_rd_rs) = FLD (f_rs);
 883 }
 884       }
 885       break;
 886     case IQ2000_OPERAND_SHAMT :
 887       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_shamt);
 888       break;
 889
 890     default :
 891       /* xgettext:c-format */
 892       fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
 893                opindex);
 894       abort ();
 895     }
 896
 897   return length;
 898 }
 899
 900 cgen_insert_fn * const iq2000_cgen_insert_handlers[] =
 901 {
 902   insert_insn_normal,
 903 };
 904
 905 cgen_extract_fn * const iq2000_cgen_extract_handlers[] =
 906 {
 907   extract_insn_normal,
 908 };
 909
 910 int iq2000_cgen_get_int_operand
 911   PARAMS ((CGEN_CPU_DESC, int, const CGEN_FIELDS *));
 912 bfd_vma iq2000_cgen_get_vma_operand
 913   PARAMS ((CGEN_CPU_DESC, int, const CGEN_FIELDS *));
 914
 915 /* Getting values from cgen_fields is handled by a collection of functions.
 916    They are distinguished by the type of the VALUE argument they return.
 917    TODO: floating point, inlining support, remove cases where result type
 918    not appropriate.  */
 919
 920 int
 921 iq2000_cgen_get_int_operand (cd, opindex, fields)
 922      CGEN_CPU_DESC cd ATTRIBUTE_UNUSED;
 923      int opindex;
 924      const CGEN_FIELDS * fields;
 925 {
 926   int value;
 927
 928   switch (opindex)
 929     {
 930     case IQ2000_OPERAND_BASE :
 931       value = fields->f_rs;
 932       break;
 933     case IQ2000_OPERAND_BASEOFF :
 934       value = fields->f_imm;
 935       break;
 936     case IQ2000_OPERAND_BITNUM :
 937       value = fields->f_rt;
 938       break;
 939     case IQ2000_OPERAND_BYTECOUNT :
 940       value = fields->f_bytecount;
 941       break;
 942     case IQ2000_OPERAND_CAM_Y :
 943       value = fields->f_cam_y;
 944       break;
 945     case IQ2000_OPERAND_CAM_Z :
 946       value = fields->f_cam_z;
 947       break;
 948     case IQ2000_OPERAND_CM_3FUNC :
 949       value = fields->f_cm_3func;
 950       break;
 951     case IQ2000_OPERAND_CM_3Z :
 952       value = fields->f_cm_3z;
 953       break;
 954     case IQ2000_OPERAND_CM_4FUNC :
 955       value = fields->f_cm_4func;
 956       break;
 957     case IQ2000_OPERAND_CM_4Z :
 958       value = fields->f_cm_4z;
 959       break;
 960     case IQ2000_OPERAND_COUNT :
 961       value = fields->f_count;
 962       break;
 963     case IQ2000_OPERAND_EXECODE :
 964       value = fields->f_excode;
 965       break;
 966     case IQ2000_OPERAND_F_INDEX :
 967       value = fields->f_index;
 968       break;
 969     case IQ2000_OPERAND_HI16 :
 970       value = fields->f_imm;
 971       break;
 972     case IQ2000_OPERAND_IMM :
 973       value = fields->f_imm;
 974       break;
 975     case IQ2000_OPERAND_JMPTARG :
 976       value = fields->f_jtarg;
 977       break;
 978     case IQ2000_OPERAND_JMPTARGQ10 :
 979       value = fields->f_jtargq10;
 980       break;
 981     case IQ2000_OPERAND_LO16 :
 982       value = fields->f_imm;
 983       break;
 984     case IQ2000_OPERAND_MASK :
 985       value = fields->f_mask;
 986       break;
 987     case IQ2000_OPERAND_MASKL :
 988       value = fields->f_maskl;
 989       break;
 990     case IQ2000_OPERAND_MASKQ10 :
 991       value = fields->f_maskq10;
 992       break;
 993     case IQ2000_OPERAND_MASKR :
 994       value = fields->f_rs;
 995       break;
 996     case IQ2000_OPERAND_MLO16 :
 997       value = fields->f_imm;
 998       break;
 999     case IQ2000_OPERAND_OFFSET :
1000       value = fields->f_offset;
1001       break;
1002     case IQ2000_OPERAND_RD :
1003       value = fields->f_rd;
1004       break;
1005     case IQ2000_OPERAND_RD_RS :
1006       value = fields->f_rd_rs;
1007       break;
1008     case IQ2000_OPERAND_RD_RT :
1009       value = fields->f_rd_rt;
1010       break;
1011     case IQ2000_OPERAND_RS :
1012       value = fields->f_rs;
1013       break;
1014     case IQ2000_OPERAND_RT :
1015       value = fields->f_rt;
1016       break;
1017     case IQ2000_OPERAND_RT_RS :
1018       value = fields->f_rt_rs;
1019       break;
1020     case IQ2000_OPERAND_SHAMT :
1021       value = fields->f_shamt;
1022       break;
1023
1024     default :
1025       /* xgettext:c-format */
1026       fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
1027                        opindex);
1028       abort ();
1029   }
1030
1031   return value;
1032 }
1033
1034 bfd_vma
1035 iq2000_cgen_get_vma_operand (cd, opindex, fields)
1036      CGEN_CPU_DESC cd ATTRIBUTE_UNUSED;
1037      int opindex;
1038      const CGEN_FIELDS * fields;
1039 {
1040   bfd_vma value;
1041
1042   switch (opindex)
1043     {
1044     case IQ2000_OPERAND_BASE :
1045       value = fields->f_rs;
1046       break;
1047     case IQ2000_OPERAND_BASEOFF :
1048       value = fields->f_imm;
1049       break;
1050     case IQ2000_OPERAND_BITNUM :
1051       value = fields->f_rt;
1052       break;
1053     case IQ2000_OPERAND_BYTECOUNT :
1054       value = fields->f_bytecount;
1055       break;
1056     case IQ2000_OPERAND_CAM_Y :
1057       value = fields->f_cam_y;
1058       break;
1059     case IQ2000_OPERAND_CAM_Z :
1060       value = fields->f_cam_z;
1061       break;
1062     case IQ2000_OPERAND_CM_3FUNC :
1063       value = fields->f_cm_3func;
1064       break;
1065     case IQ2000_OPERAND_CM_3Z :
1066       value = fields->f_cm_3z;
1067       break;
1068     case IQ2000_OPERAND_CM_4FUNC :
1069       value = fields->f_cm_4func;
1070       break;
1071     case IQ2000_OPERAND_CM_4Z :
1072       value = fields->f_cm_4z;
1073       break;
1074     case IQ2000_OPERAND_COUNT :
1075       value = fields->f_count;
1076       break;
1077     case IQ2000_OPERAND_EXECODE :
1078       value = fields->f_excode;
1079       break;
1080     case IQ2000_OPERAND_F_INDEX :
1081       value = fields->f_index;
1082       break;
1083     case IQ2000_OPERAND_HI16 :
1084       value = fields->f_imm;
1085       break;
1086     case IQ2000_OPERAND_IMM :
1087       value = fields->f_imm;
1088       break;
1089     case IQ2000_OPERAND_JMPTARG :
1090       value = fields->f_jtarg;
1091       break;
1092     case IQ2000_OPERAND_JMPTARGQ10 :
1093       value = fields->f_jtargq10;
1094       break;
1095     case IQ2000_OPERAND_LO16 :
1096       value = fields->f_imm;
1097       break;
1098     case IQ2000_OPERAND_MASK :
1099       value = fields->f_mask;
1100       break;
1101     case IQ2000_OPERAND_MASKL :
1102       value = fields->f_maskl;
1103       break;
1104     case IQ2000_OPERAND_MASKQ10 :
1105       value = fields->f_maskq10;
1106       break;
1107     case IQ2000_OPERAND_MASKR :
1108       value = fields->f_rs;
1109       break;
1110     case IQ2000_OPERAND_MLO16 :
1111       value = fields->f_imm;
1112       break;
1113     case IQ2000_OPERAND_OFFSET :
1114       value = fields->f_offset;
1115       break;
1116     case IQ2000_OPERAND_RD :
1117       value = fields->f_rd;
1118       break;
1119     case IQ2000_OPERAND_RD_RS :
1120       value = fields->f_rd_rs;
1121       break;
1122     case IQ2000_OPERAND_RD_RT :
1123       value = fields->f_rd_rt;
1124       break;
1125     case IQ2000_OPERAND_RS :
1126       value = fields->f_rs;
1127       break;
1128     case IQ2000_OPERAND_RT :
1129       value = fields->f_rt;
1130       break;
1131     case IQ2000_OPERAND_RT_RS :
1132       value = fields->f_rt_rs;
1133       break;
1134     case IQ2000_OPERAND_SHAMT :
1135       value = fields->f_shamt;
1136       break;
1137
1138     default :
1139       /* xgettext:c-format */
1140       fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
1141                        opindex);
1142       abort ();
1143   }
1144
1145   return value;
1146 }
1147
1148 void iq2000_cgen_set_int_operand
1149   PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, int));
1150 void iq2000_cgen_set_vma_operand
1151   PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma));
1152
1153 /* Stuffing values in cgen_fields is handled by a collection of functions.
1154    They are distinguished by the type of the VALUE argument they accept.
1155    TODO: floating point, inlining support, remove cases where argument type
1156    not appropriate.  */
1157
1158 void
1159 iq2000_cgen_set_int_operand (cd, opindex, fields, value)
1160      CGEN_CPU_DESC cd ATTRIBUTE_UNUSED;
1161      int opindex;
1162      CGEN_FIELDS * fields;
1163      int value;
1164 {
1165   switch (opindex)
1166     {
1167     case IQ2000_OPERAND_BASE :
1168       fields->f_rs = value;
1169       break;
1170     case IQ2000_OPERAND_BASEOFF :
1171       fields->f_imm = value;
1172       break;
1173     case IQ2000_OPERAND_BITNUM :
1174       fields->f_rt = value;
1175       break;
1176     case IQ2000_OPERAND_BYTECOUNT :
1177       fields->f_bytecount = value;
1178       break;
1179     case IQ2000_OPERAND_CAM_Y :
1180       fields->f_cam_y = value;
1181       break;
1182     case IQ2000_OPERAND_CAM_Z :
1183       fields->f_cam_z = value;
1184       break;
1185     case IQ2000_OPERAND_CM_3FUNC :
1186       fields->f_cm_3func = value;
1187       break;
1188     case IQ2000_OPERAND_CM_3Z :
1189       fields->f_cm_3z = value;
1190       break;
1191     case IQ2000_OPERAND_CM_4FUNC :
1192       fields->f_cm_4func = value;
1193       break;
1194     case IQ2000_OPERAND_CM_4Z :
1195       fields->f_cm_4z = value;
1196       break;
1197     case IQ2000_OPERAND_COUNT :
1198       fields->f_count = value;
1199       break;
1200     case IQ2000_OPERAND_EXECODE :
1201       fields->f_excode = value;
1202       break;
1203     case IQ2000_OPERAND_F_INDEX :
1204       fields->f_index = value;
1205       break;
1206     case IQ2000_OPERAND_HI16 :
1207       fields->f_imm = value;
1208       break;
1209     case IQ2000_OPERAND_IMM :
1210       fields->f_imm = value;
1211       break;
1212     case IQ2000_OPERAND_JMPTARG :
1213       fields->f_jtarg = value;
1214       break;
1215     case IQ2000_OPERAND_JMPTARGQ10 :
1216       fields->f_jtargq10 = value;
1217       break;
1218     case IQ2000_OPERAND_LO16 :
1219       fields->f_imm = value;
1220       break;
1221     case IQ2000_OPERAND_MASK :
1222       fields->f_mask = value;
1223       break;
1224     case IQ2000_OPERAND_MASKL :
1225       fields->f_maskl = value;
1226       break;
1227     case IQ2000_OPERAND_MASKQ10 :
1228       fields->f_maskq10 = value;
1229       break;
1230     case IQ2000_OPERAND_MASKR :
1231       fields->f_rs = value;
1232       break;
1233     case IQ2000_OPERAND_MLO16 :
1234       fields->f_imm = value;
1235       break;
1236     case IQ2000_OPERAND_OFFSET :
1237       fields->f_offset = value;
1238       break;
1239     case IQ2000_OPERAND_RD :
1240       fields->f_rd = value;
1241       break;
1242     case IQ2000_OPERAND_RD_RS :
1243       fields->f_rd_rs = value;
1244       break;
1245     case IQ2000_OPERAND_RD_RT :
1246       fields->f_rd_rt = value;
1247       break;
1248     case IQ2000_OPERAND_RS :
1249       fields->f_rs = value;
1250       break;
1251     case IQ2000_OPERAND_RT :
1252       fields->f_rt = value;
1253       break;
1254     case IQ2000_OPERAND_RT_RS :
1255       fields->f_rt_rs = value;
1256       break;
1257     case IQ2000_OPERAND_SHAMT :
1258       fields->f_shamt = value;
1259       break;
1260
1261     default :
1262       /* xgettext:c-format */
1263       fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
1264                        opindex);
1265       abort ();
1266   }
1267 }
1268
1269 void
1270 iq2000_cgen_set_vma_operand (cd, opindex, fields, value)
1271      CGEN_CPU_DESC cd ATTRIBUTE_UNUSED;
1272      int opindex;
1273      CGEN_FIELDS * fields;
1274      bfd_vma value;
1275 {
1276   switch (opindex)
1277     {
1278     case IQ2000_OPERAND_BASE :
1279       fields->f_rs = value;
1280       break;
1281     case IQ2000_OPERAND_BASEOFF :
1282       fields->f_imm = value;
1283       break;
1284     case IQ2000_OPERAND_BITNUM :
1285       fields->f_rt = value;
1286       break;
1287     case IQ2000_OPERAND_BYTECOUNT :
1288       fields->f_bytecount = value;
1289       break;
1290     case IQ2000_OPERAND_CAM_Y :
1291       fields->f_cam_y = value;
1292       break;
1293     case IQ2000_OPERAND_CAM_Z :
1294       fields->f_cam_z = value;
1295       break;
1296     case IQ2000_OPERAND_CM_3FUNC :
1297       fields->f_cm_3func = value;
1298       break;
1299     case IQ2000_OPERAND_CM_3Z :
1300       fields->f_cm_3z = value;
1301       break;
1302     case IQ2000_OPERAND_CM_4FUNC :
1303       fields->f_cm_4func = value;
1304       break;
1305     case IQ2000_OPERAND_CM_4Z :
1306       fields->f_cm_4z = value;
1307       break;
1308     case IQ2000_OPERAND_COUNT :
1309       fields->f_count = value;
1310       break;
1311     case IQ2000_OPERAND_EXECODE :
1312       fields->f_excode = value;
1313       break;
1314     case IQ2000_OPERAND_F_INDEX :
1315       fields->f_index = value;
1316       break;
1317     case IQ2000_OPERAND_HI16 :
1318       fields->f_imm = value;
1319       break;
1320     case IQ2000_OPERAND_IMM :
1321       fields->f_imm = value;
1322       break;
1323     case IQ2000_OPERAND_JMPTARG :
1324       fields->f_jtarg = value;
1325       break;
1326     case IQ2000_OPERAND_JMPTARGQ10 :
1327       fields->f_jtargq10 = value;
1328       break;
1329     case IQ2000_OPERAND_LO16 :
1330       fields->f_imm = value;
1331       break;
1332     case IQ2000_OPERAND_MASK :
1333       fields->f_mask = value;
1334       break;
1335     case IQ2000_OPERAND_MASKL :
1336       fields->f_maskl = value;
1337       break;
1338     case IQ2000_OPERAND_MASKQ10 :
1339       fields->f_maskq10 = value;
1340       break;
1341     case IQ2000_OPERAND_MASKR :
1342       fields->f_rs = value;
1343       break;
1344     case IQ2000_OPERAND_MLO16 :
1345       fields->f_imm = value;
1346       break;
1347     case IQ2000_OPERAND_OFFSET :
1348       fields->f_offset = value;
1349       break;
1350     case IQ2000_OPERAND_RD :
1351       fields->f_rd = value;
1352       break;
1353     case IQ2000_OPERAND_RD_RS :
1354       fields->f_rd_rs = value;
1355       break;
1356     case IQ2000_OPERAND_RD_RT :
1357       fields->f_rd_rt = value;
1358       break;
1359     case IQ2000_OPERAND_RS :
1360       fields->f_rs = value;
1361       break;
1362     case IQ2000_OPERAND_RT :
1363       fields->f_rt = value;
1364       break;
1365     case IQ2000_OPERAND_RT_RS :
1366       fields->f_rt_rs = value;
1367       break;
1368     case IQ2000_OPERAND_SHAMT :
1369       fields->f_shamt = value;
1370       break;
1371
1372     default :
1373       /* xgettext:c-format */
1374       fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
1375                        opindex);
1376       abort ();
1377   }
1378 }
1379
1380 /* Function to call before using the instruction builder tables.  */
1381
1382 void
1383 iq2000_cgen_init_ibld_table (cd)
1384      CGEN_CPU_DESC cd;
1385 {
1386   cd->insert_handlers = & iq2000_cgen_insert_handlers[0];
1387   cd->extract_handlers = & iq2000_cgen_extract_handlers[0];
1388
1389   cd->insert_operand = iq2000_cgen_insert_operand;
1390   cd->extract_operand = iq2000_cgen_extract_operand;
1391
1392   cd->get_int_operand = iq2000_cgen_get_int_operand;
1393   cd->set_int_operand = iq2000_cgen_set_int_operand;
1394   cd->get_vma_operand = iq2000_cgen_get_vma_operand;
1395   cd->set_vma_operand = iq2000_cgen_set_vma_operand;
1396 }