opcodes/iq2000-ibld.c

   1 /* DO NOT EDIT!  -*- buffer-read-only: t -*- vi:set ro:  */
   2 /* Instruction building/extraction support for iq2000. -*- C -*-
   3
   4    THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
   5    - the resultant file is machine generated, cgen-ibld.in isn't
   6
   7    Copyright (C) 1996-2020 Free Software Foundation, Inc.
   8
   9    This file is part of libopcodes.
  10
  11    This library is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 3, or (at your option)
  14    any later version.
  15
  16    It is distributed in the hope that it will be useful, but WITHOUT
  17    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  18    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  19    License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program; if not, write to the Free Software Foundation, Inc.,
  23    51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  24
  25 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
  26    Keep that in mind.  */
  27
  28 #include "sysdep.h"
  29 #include <stdio.h>
  30 #include "ansidecl.h"
  31 #include "dis-asm.h"
  32 #include "bfd.h"
  33 #include "symcat.h"
  34 #include "iq2000-desc.h"
  35 #include "iq2000-opc.h"
  36 #include "cgen/basic-modes.h"
  37 #include "opintl.h"
  38 #include "safe-ctype.h"
  39
  40 #undef  min
  41 #define min(a,b) ((a) < (b) ? (a) : (b))
  42 #undef  max
  43 #define max(a,b) ((a) > (b) ? (a) : (b))
  44
  45 /* Used by the ifield rtx function.  */
  46 #define FLD(f) (fields->f)
  47
  48 static const char * insert_normal
  49   (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
  50    unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);
  51 static const char * insert_insn_normal
  52   (CGEN_CPU_DESC, const CGEN_INSN *,
  53    CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
  54 static int extract_normal
  55   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
  56    unsigned int, unsigned int, unsigned int, unsigned int,
  57    unsigned int, unsigned int, bfd_vma, long *);
  58 static int extract_insn_normal
  59   (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
  60    CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
  61 #if CGEN_INT_INSN_P
  62 static void put_insn_int_value
  63   (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
  64 #endif
  65 #if ! CGEN_INT_INSN_P
  66 static CGEN_INLINE void insert_1
  67   (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
  68 static CGEN_INLINE int fill_cache
  69   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *,  int, int, bfd_vma);
  70 static CGEN_INLINE long extract_1
  71   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
  72 #endif
  73 \f
  74 /* Operand insertion.  */
  75
  76 #if ! CGEN_INT_INSN_P
  77
  78 /* Subroutine of insert_normal.  */
  79
  80 static CGEN_INLINE void
  81 insert_1 (CGEN_CPU_DESC cd,
  82           unsigned long value,
  83           int start,
  84           int length,
  85           int word_length,
  86           unsigned char *bufp)
  87 {
  88   unsigned long x,mask;
  89   int shift;
  90
  91   x = cgen_get_insn_value (cd, bufp, word_length);
  92
  93   /* Written this way to avoid undefined behaviour.  */
  94   mask = (((1L << (length - 1)) - 1) << 1) | 1;
  95   if (CGEN_INSN_LSB0_P)
  96     shift = (start + 1) - length;
  97   else
  98     shift = (word_length - (start + length));
  99   x = (x & ~(mask << shift)) | ((value & mask) << shift);
 100
 101   cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x);
 102 }
 103
 104 #endif /* ! CGEN_INT_INSN_P */
 105
 106 /* Default insertion routine.
 107
 108    ATTRS is a mask of the boolean attributes.
 109    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 110    WORD_LENGTH is the length of the word in bits in which the value resides.
 111    START is the starting bit number in the word, architecture origin.
 112    LENGTH is the length of VALUE in bits.
 113    TOTAL_LENGTH is the total length of the insn in bits.
 114
 115    The result is an error message or NULL if success.  */
 116
 117 /* ??? This duplicates functionality with bfd's howto table and
 118    bfd_install_relocation.  */
 119 /* ??? This doesn't handle bfd_vma's.  Create another function when
 120    necessary.  */
 121
 122 static const char *
 123 insert_normal (CGEN_CPU_DESC cd,
 124                long value,
 125                unsigned int attrs,
 126                unsigned int word_offset,
 127                unsigned int start,
 128                unsigned int length,
 129                unsigned int word_length,
 130                unsigned int total_length,
 131                CGEN_INSN_BYTES_PTR buffer)
 132 {
 133   static char errbuf[100];
 134   /* Written this way to avoid undefined behaviour.  */
 135   unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1;
 136
 137   /* If LENGTH is zero, this operand doesn't contribute to the value.  */
 138   if (length == 0)
 139     return NULL;
 140
 141   if (word_length > 8 * sizeof (CGEN_INSN_INT))
 142     abort ();
 143
 144   /* For architectures with insns smaller than the base-insn-bitsize,
 145      word_length may be too big.  */
 146   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 147     {
 148       if (word_offset == 0
 149           && word_length > total_length)
 150         word_length = total_length;
 151     }
 152
 153   /* Ensure VALUE will fit.  */
 154   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
 155     {
 156       long minval = - (1L << (length - 1));
 157       unsigned long maxval = mask;
 158
 159       if ((value > 0 && (unsigned long) value > maxval)
 160           || value < minval)
 161         {
 162           /* xgettext:c-format */
 163           sprintf (errbuf,
 164                    _("operand out of range (%ld not between %ld and %lu)"),
 165                    value, minval, maxval);
 166           return errbuf;
 167         }
 168     }
 169   else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
 170     {
 171       unsigned long maxval = mask;
 172       unsigned long val = (unsigned long) value;
 173
 174       /* For hosts with a word size > 32 check to see if value has been sign
 175          extended beyond 32 bits.  If so then ignore these higher sign bits
 176          as the user is attempting to store a 32-bit signed value into an
 177          unsigned 32-bit field which is allowed.  */
 178       if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
 179         val &= 0xFFFFFFFF;
 180
 181       if (val > maxval)
 182         {
 183           /* xgettext:c-format */
 184           sprintf (errbuf,
 185                    _("operand out of range (0x%lx not between 0 and 0x%lx)"),
 186                    val, maxval);
 187           return errbuf;
 188         }
 189     }
 190   else
 191     {
 192       if (! cgen_signed_overflow_ok_p (cd))
 193         {
 194           long minval = - (1L << (length - 1));
 195           long maxval =   (1L << (length - 1)) - 1;
 196
 197           if (value < minval || value > maxval)
 198             {
 199               sprintf
 200                 /* xgettext:c-format */
 201                 (errbuf, _("operand out of range (%ld not between %ld and %ld)"),
 202                  value, minval, maxval);
 203               return errbuf;
 204             }
 205         }
 206     }
 207
 208 #if CGEN_INT_INSN_P
 209
 210   {
 211     int shift_within_word, shift_to_word, shift;
 212
 213     /* How to shift the value to BIT0 of the word.  */
 214     shift_to_word = total_length - (word_offset + word_length);
 215
 216     /* How to shift the value to the field within the word.  */
 217     if (CGEN_INSN_LSB0_P)
 218       shift_within_word = start + 1 - length;
 219     else
 220       shift_within_word = word_length - start - length;
 221
 222     /* The total SHIFT, then mask in the value.  */
 223     shift = shift_to_word + shift_within_word;
 224     *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
 225   }
 226
 227 #else /* ! CGEN_INT_INSN_P */
 228
 229   {
 230     unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
 231
 232     insert_1 (cd, value, start, length, word_length, bufp);
 233   }
 234
 235 #endif /* ! CGEN_INT_INSN_P */
 236
 237   return NULL;
 238 }
 239
 240 /* Default insn builder (insert handler).
 241    The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
 242    that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
 243    recorded in host byte order, otherwise BUFFER is an array of bytes
 244    and the value is recorded in target byte order).
 245    The result is an error message or NULL if success.  */
 246
 247 static const char *
 248 insert_insn_normal (CGEN_CPU_DESC cd,
 249                     const CGEN_INSN * insn,
 250                     CGEN_FIELDS * fields,
 251                     CGEN_INSN_BYTES_PTR buffer,
 252                     bfd_vma pc)
 253 {
 254   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 255   unsigned long value;
 256   const CGEN_SYNTAX_CHAR_TYPE * syn;
 257
 258   CGEN_INIT_INSERT (cd);
 259   value = CGEN_INSN_BASE_VALUE (insn);
 260
 261   /* If we're recording insns as numbers (rather than a string of bytes),
 262      target byte order handling is deferred until later.  */
 263
 264 #if CGEN_INT_INSN_P
 265
 266   put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
 267                       CGEN_FIELDS_BITSIZE (fields), value);
 268
 269 #else
 270
 271   cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
 272                                         (unsigned) CGEN_FIELDS_BITSIZE (fields)),
 273                        value);
 274
 275 #endif /* ! CGEN_INT_INSN_P */
 276
 277   /* ??? It would be better to scan the format's fields.
 278      Still need to be able to insert a value based on the operand though;
 279      e.g. storing a branch displacement that got resolved later.
 280      Needs more thought first.  */
 281
 282   for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
 283     {
 284       const char *errmsg;
 285
 286       if (CGEN_SYNTAX_CHAR_P (* syn))
 287         continue;
 288
 289       errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 290                                        fields, buffer, pc);
 291       if (errmsg)
 292         return errmsg;
 293     }
 294
 295   return NULL;
 296 }
 297
 298 #if CGEN_INT_INSN_P
 299 /* Cover function to store an insn value into an integral insn.  Must go here
 300    because it needs <prefix>-desc.h for CGEN_INT_INSN_P.  */
 301
 302 static void
 303 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 304                     CGEN_INSN_BYTES_PTR buf,
 305                     int length,
 306                     int insn_length,
 307                     CGEN_INSN_INT value)
 308 {
 309   /* For architectures with insns smaller than the base-insn-bitsize,
 310      length may be too big.  */
 311   if (length > insn_length)
 312     *buf = value;
 313   else
 314     {
 315       int shift = insn_length - length;
 316       /* Written this way to avoid undefined behaviour.  */
 317       CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
 318
 319       *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
 320     }
 321 }
 322 #endif
 323 \f
 324 /* Operand extraction.  */
 325
 326 #if ! CGEN_INT_INSN_P
 327
 328 /* Subroutine of extract_normal.
 329    Ensure sufficient bytes are cached in EX_INFO.
 330    OFFSET is the offset in bytes from the start of the insn of the value.
 331    BYTES is the length of the needed value.
 332    Returns 1 for success, 0 for failure.  */
 333
 334 static CGEN_INLINE int
 335 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 336             CGEN_EXTRACT_INFO *ex_info,
 337             int offset,
 338             int bytes,
 339             bfd_vma pc)
 340 {
 341   /* It's doubtful that the middle part has already been fetched so
 342      we don't optimize that case.  kiss.  */
 343   unsigned int mask;
 344   disassemble_info *info = (disassemble_info *) ex_info->dis_info;
 345
 346   /* First do a quick check.  */
 347   mask = (1 << bytes) - 1;
 348   if (((ex_info->valid >> offset) & mask) == mask)
 349     return 1;
 350
 351   /* Search for the first byte we need to read.  */
 352   for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
 353     if (! (mask & ex_info->valid))
 354       break;
 355
 356   if (bytes)
 357     {
 358       int status;
 359
 360       pc += offset;
 361       status = (*info->read_memory_func)
 362         (pc, ex_info->insn_bytes + offset, bytes, info);
 363
 364       if (status != 0)
 365         {
 366           (*info->memory_error_func) (status, pc, info);
 367           return 0;
 368         }
 369
 370       ex_info->valid |= ((1 << bytes) - 1) << offset;
 371     }
 372
 373   return 1;
 374 }
 375
 376 /* Subroutine of extract_normal.  */
 377
 378 static CGEN_INLINE long
 379 extract_1 (CGEN_CPU_DESC cd,
 380            CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 381            int start,
 382            int length,
 383            int word_length,
 384            unsigned char *bufp,
 385            bfd_vma pc ATTRIBUTE_UNUSED)
 386 {
 387   unsigned long x;
 388   int shift;
 389
 390   x = cgen_get_insn_value (cd, bufp, word_length);
 391
 392   if (CGEN_INSN_LSB0_P)
 393     shift = (start + 1) - length;
 394   else
 395     shift = (word_length - (start + length));
 396   return x >> shift;
 397 }
 398
 399 #endif /* ! CGEN_INT_INSN_P */
 400
 401 /* Default extraction routine.
 402
 403    INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
 404    or sometimes less for cases like the m32r where the base insn size is 32
 405    but some insns are 16 bits.
 406    ATTRS is a mask of the boolean attributes.  We only need `SIGNED',
 407    but for generality we take a bitmask of all of them.
 408    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 409    WORD_LENGTH is the length of the word in bits in which the value resides.
 410    START is the starting bit number in the word, architecture origin.
 411    LENGTH is the length of VALUE in bits.
 412    TOTAL_LENGTH is the total length of the insn in bits.
 413
 414    Returns 1 for success, 0 for failure.  */
 415
 416 /* ??? The return code isn't properly used.  wip.  */
 417
 418 /* ??? This doesn't handle bfd_vma's.  Create another function when
 419    necessary.  */
 420
 421 static int
 422 extract_normal (CGEN_CPU_DESC cd,
 423 #if ! CGEN_INT_INSN_P
 424                 CGEN_EXTRACT_INFO *ex_info,
 425 #else
 426                 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 427 #endif
 428                 CGEN_INSN_INT insn_value,
 429                 unsigned int attrs,
 430                 unsigned int word_offset,
 431                 unsigned int start,
 432                 unsigned int length,
 433                 unsigned int word_length,
 434                 unsigned int total_length,
 435 #if ! CGEN_INT_INSN_P
 436                 bfd_vma pc,
 437 #else
 438                 bfd_vma pc ATTRIBUTE_UNUSED,
 439 #endif
 440                 long *valuep)
 441 {
 442   long value, mask;
 443
 444   /* If LENGTH is zero, this operand doesn't contribute to the value
 445      so give it a standard value of zero.  */
 446   if (length == 0)
 447     {
 448       *valuep = 0;
 449       return 1;
 450     }
 451
 452   if (word_length > 8 * sizeof (CGEN_INSN_INT))
 453     abort ();
 454
 455   /* For architectures with insns smaller than the insn-base-bitsize,
 456      word_length may be too big.  */
 457   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 458     {
 459       if (word_offset + word_length > total_length)
 460         word_length = total_length - word_offset;
 461     }
 462
 463   /* Does the value reside in INSN_VALUE, and at the right alignment?  */
 464
 465   if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
 466     {
 467       if (CGEN_INSN_LSB0_P)
 468         value = insn_value >> ((word_offset + start + 1) - length);
 469       else
 470         value = insn_value >> (total_length - ( word_offset + start + length));
 471     }
 472
 473 #if ! CGEN_INT_INSN_P
 474
 475   else
 476     {
 477       unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
 478
 479       if (word_length > 8 * sizeof (CGEN_INSN_INT))
 480         abort ();
 481
 482       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
 483         return 0;
 484
 485       value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
 486     }
 487
 488 #endif /* ! CGEN_INT_INSN_P */
 489
 490   /* Written this way to avoid undefined behaviour.  */
 491   mask = (((1L << (length - 1)) - 1) << 1) | 1;
 492
 493   value &= mask;
 494   /* sign extend? */
 495   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
 496       && (value & (1L << (length - 1))))
 497     value |= ~mask;
 498
 499   *valuep = value;
 500
 501   return 1;
 502 }
 503
 504 /* Default insn extractor.
 505
 506    INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
 507    The extracted fields are stored in FIELDS.
 508    EX_INFO is used to handle reading variable length insns.
 509    Return the length of the insn in bits, or 0 if no match,
 510    or -1 if an error occurs fetching data (memory_error_func will have
 511    been called).  */
 512
 513 static int
 514 extract_insn_normal (CGEN_CPU_DESC cd,
 515                      const CGEN_INSN *insn,
 516                      CGEN_EXTRACT_INFO *ex_info,
 517                      CGEN_INSN_INT insn_value,
 518                      CGEN_FIELDS *fields,
 519                      bfd_vma pc)
 520 {
 521   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 522   const CGEN_SYNTAX_CHAR_TYPE *syn;
 523
 524   CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
 525
 526   CGEN_INIT_EXTRACT (cd);
 527
 528   for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
 529     {
 530       int length;
 531
 532       if (CGEN_SYNTAX_CHAR_P (*syn))
 533         continue;
 534
 535       length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 536                                         ex_info, insn_value, fields, pc);
 537       if (length <= 0)
 538         return length;
 539     }
 540
 541   /* We recognized and successfully extracted this insn.  */
 542   return CGEN_INSN_BITSIZE (insn);
 543 }
 544 \f
 545 /* Machine generated code added here.  */
 546
 547 const char * iq2000_cgen_insert_operand
 548   (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
 549
 550 /* Main entry point for operand insertion.
 551
 552    This function is basically just a big switch statement.  Earlier versions
 553    used tables to look up the function to use, but
 554    - if the table contains both assembler and disassembler functions then
 555      the disassembler contains much of the assembler and vice-versa,
 556    - there's a lot of inlining possibilities as things grow,
 557    - using a switch statement avoids the function call overhead.
 558
 559    This function could be moved into `parse_insn_normal', but keeping it
 560    separate makes clear the interface between `parse_insn_normal' and each of
 561    the handlers.  It's also needed by GAS to insert operands that couldn't be
 562    resolved during parsing.  */
 563
 564 const char *
 565 iq2000_cgen_insert_operand (CGEN_CPU_DESC cd,
 566                              int opindex,
 567                              CGEN_FIELDS * fields,
 568                              CGEN_INSN_BYTES_PTR buffer,
 569                              bfd_vma pc ATTRIBUTE_UNUSED)
 570 {
 571   const char * errmsg = NULL;
 572   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 573
 574   switch (opindex)
 575     {
 576     case IQ2000_OPERAND__INDEX :
 577       errmsg = insert_normal (cd, fields->f_index, 0, 0, 8, 9, 32, total_length, buffer);
 578       break;
 579     case IQ2000_OPERAND_BASE :
 580       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 581       break;
 582     case IQ2000_OPERAND_BASEOFF :
 583       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 584       break;
 585     case IQ2000_OPERAND_BITNUM :
 586       errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 587       break;
 588     case IQ2000_OPERAND_BYTECOUNT :
 589       errmsg = insert_normal (cd, fields->f_bytecount, 0, 0, 7, 8, 32, total_length, buffer);
 590       break;
 591     case IQ2000_OPERAND_CAM_Y :
 592       errmsg = insert_normal (cd, fields->f_cam_y, 0, 0, 2, 3, 32, total_length, buffer);
 593       break;
 594     case IQ2000_OPERAND_CAM_Z :
 595       errmsg = insert_normal (cd, fields->f_cam_z, 0, 0, 5, 3, 32, total_length, buffer);
 596       break;
 597     case IQ2000_OPERAND_CM_3FUNC :
 598       errmsg = insert_normal (cd, fields->f_cm_3func, 0, 0, 5, 3, 32, total_length, buffer);
 599       break;
 600     case IQ2000_OPERAND_CM_3Z :
 601       errmsg = insert_normal (cd, fields->f_cm_3z, 0, 0, 1, 2, 32, total_length, buffer);
 602       break;
 603     case IQ2000_OPERAND_CM_4FUNC :
 604       errmsg = insert_normal (cd, fields->f_cm_4func, 0, 0, 5, 4, 32, total_length, buffer);
 605       break;
 606     case IQ2000_OPERAND_CM_4Z :
 607       errmsg = insert_normal (cd, fields->f_cm_4z, 0, 0, 2, 3, 32, total_length, buffer);
 608       break;
 609     case IQ2000_OPERAND_COUNT :
 610       errmsg = insert_normal (cd, fields->f_count, 0, 0, 15, 7, 32, total_length, buffer);
 611       break;
 612     case IQ2000_OPERAND_EXECODE :
 613       errmsg = insert_normal (cd, fields->f_excode, 0, 0, 25, 20, 32, total_length, buffer);
 614       break;
 615     case IQ2000_OPERAND_HI16 :
 616       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 617       break;
 618     case IQ2000_OPERAND_IMM :
 619       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 620       break;
 621     case IQ2000_OPERAND_JMPTARG :
 622       {
 623         long value = fields->f_jtarg;
 624         value = ((USI) (((value) & (262143))) >> (2));
 625         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, buffer);
 626       }
 627       break;
 628     case IQ2000_OPERAND_JMPTARGQ10 :
 629       {
 630         long value = fields->f_jtargq10;
 631         value = ((USI) (((value) & (8388607))) >> (2));
 632         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, buffer);
 633       }
 634       break;
 635     case IQ2000_OPERAND_LO16 :
 636       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 637       break;
 638     case IQ2000_OPERAND_MASK :
 639       errmsg = insert_normal (cd, fields->f_mask, 0, 0, 9, 4, 32, total_length, buffer);
 640       break;
 641     case IQ2000_OPERAND_MASKL :
 642       errmsg = insert_normal (cd, fields->f_maskl, 0, 0, 4, 5, 32, total_length, buffer);
 643       break;
 644     case IQ2000_OPERAND_MASKQ10 :
 645       errmsg = insert_normal (cd, fields->f_maskq10, 0, 0, 10, 5, 32, total_length, buffer);
 646       break;
 647     case IQ2000_OPERAND_MASKR :
 648       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 649       break;
 650     case IQ2000_OPERAND_MLO16 :
 651       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 652       break;
 653     case IQ2000_OPERAND_OFFSET :
 654       {
 655         long value = fields->f_offset;
 656         value = ((SI) (((value) - (pc))) >> (2));
 657         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, buffer);
 658       }
 659       break;
 660     case IQ2000_OPERAND_RD :
 661       errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
 662       break;
 663     case IQ2000_OPERAND_RD_RS :
 664       {
 665 {
 666   FLD (f_rd) = FLD (f_rd_rs);
 667   FLD (f_rs) = FLD (f_rd_rs);
 668 }
 669         errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
 670         if (errmsg)
 671           break;
 672         errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 673         if (errmsg)
 674           break;
 675       }
 676       break;
 677     case IQ2000_OPERAND_RD_RT :
 678       {
 679 {
 680   FLD (f_rd) = FLD (f_rd_rt);
 681   FLD (f_rt) = FLD (f_rd_rt);
 682 }
 683         errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
 684         if (errmsg)
 685           break;
 686         errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 687         if (errmsg)
 688           break;
 689       }
 690       break;
 691     case IQ2000_OPERAND_RS :
 692       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 693       break;
 694     case IQ2000_OPERAND_RT :
 695       errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 696       break;
 697     case IQ2000_OPERAND_RT_RS :
 698       {
 699 {
 700   FLD (f_rt) = FLD (f_rt_rs);
 701   FLD (f_rs) = FLD (f_rt_rs);
 702 }
 703         errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 704         if (errmsg)
 705           break;
 706         errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 707         if (errmsg)
 708           break;
 709       }
 710       break;
 711     case IQ2000_OPERAND_SHAMT :
 712       errmsg = insert_normal (cd, fields->f_shamt, 0, 0, 10, 5, 32, total_length, buffer);
 713       break;
 714
 715     default :
 716       /* xgettext:c-format */
 717       opcodes_error_handler
 718         (_("internal error: unrecognized field %d while building insn"),
 719          opindex);
 720       abort ();
 721   }
 722
 723   return errmsg;
 724 }
 725
 726 int iq2000_cgen_extract_operand
 727   (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
 728
 729 /* Main entry point for operand extraction.
 730    The result is <= 0 for error, >0 for success.
 731    ??? Actual values aren't well defined right now.
 732
 733    This function is basically just a big switch statement.  Earlier versions
 734    used tables to look up the function to use, but
 735    - if the table contains both assembler and disassembler functions then
 736      the disassembler contains much of the assembler and vice-versa,
 737    - there's a lot of inlining possibilities as things grow,
 738    - using a switch statement avoids the function call overhead.
 739
 740    This function could be moved into `print_insn_normal', but keeping it
 741    separate makes clear the interface between `print_insn_normal' and each of
 742    the handlers.  */
 743
 744 int
 745 iq2000_cgen_extract_operand (CGEN_CPU_DESC cd,
 746                              int opindex,
 747                              CGEN_EXTRACT_INFO *ex_info,
 748                              CGEN_INSN_INT insn_value,
 749                              CGEN_FIELDS * fields,
 750                              bfd_vma pc)
 751 {
 752   /* Assume success (for those operands that are nops).  */
 753   int length = 1;
 754   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 755
 756   switch (opindex)
 757     {
 758     case IQ2000_OPERAND__INDEX :
 759       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_index);
 760       break;
 761     case IQ2000_OPERAND_BASE :
 762       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 763       break;
 764     case IQ2000_OPERAND_BASEOFF :
 765       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 766       break;
 767     case IQ2000_OPERAND_BITNUM :
 768       length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 769       break;
 770     case IQ2000_OPERAND_BYTECOUNT :
 771       length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 8, 32, total_length, pc, & fields->f_bytecount);
 772       break;
 773     case IQ2000_OPERAND_CAM_Y :
 774       length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cam_y);
 775       break;
 776     case IQ2000_OPERAND_CAM_Z :
 777       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cam_z);
 778       break;
 779     case IQ2000_OPERAND_CM_3FUNC :
 780       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cm_3func);
 781       break;
 782     case IQ2000_OPERAND_CM_3Z :
 783       length = extract_normal (cd, ex_info, insn_value, 0, 0, 1, 2, 32, total_length, pc, & fields->f_cm_3z);
 784       break;
 785     case IQ2000_OPERAND_CM_4FUNC :
 786       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 4, 32, total_length, pc, & fields->f_cm_4func);
 787       break;
 788     case IQ2000_OPERAND_CM_4Z :
 789       length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cm_4z);
 790       break;
 791     case IQ2000_OPERAND_COUNT :
 792       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 7, 32, total_length, pc, & fields->f_count);
 793       break;
 794     case IQ2000_OPERAND_EXECODE :
 795       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 20, 32, total_length, pc, & fields->f_excode);
 796       break;
 797     case IQ2000_OPERAND_HI16 :
 798       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 799       break;
 800     case IQ2000_OPERAND_IMM :
 801       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 802       break;
 803     case IQ2000_OPERAND_JMPTARG :
 804       {
 805         long value;
 806         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, pc, & value);
 807         value = ((((pc) & (0xf0000000))) | (((value) << (2))));
 808         fields->f_jtarg = value;
 809       }
 810       break;
 811     case IQ2000_OPERAND_JMPTARGQ10 :
 812       {
 813         long value;
 814         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, pc, & value);
 815         value = ((((pc) & (0xf0000000))) | (((value) << (2))));
 816         fields->f_jtargq10 = value;
 817       }
 818       break;
 819     case IQ2000_OPERAND_LO16 :
 820       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 821       break;
 822     case IQ2000_OPERAND_MASK :
 823       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 4, 32, total_length, pc, & fields->f_mask);
 824       break;
 825     case IQ2000_OPERAND_MASKL :
 826       length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 5, 32, total_length, pc, & fields->f_maskl);
 827       break;
 828     case IQ2000_OPERAND_MASKQ10 :
 829       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_maskq10);
 830       break;
 831     case IQ2000_OPERAND_MASKR :
 832       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 833       break;
 834     case IQ2000_OPERAND_MLO16 :
 835       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 836       break;
 837     case IQ2000_OPERAND_OFFSET :
 838       {
 839         long value;
 840         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);
 841         value = ((((value) * (4))) + (((pc) + (4))));
 842         fields->f_offset = value;
 843       }
 844       break;
 845     case IQ2000_OPERAND_RD :
 846       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
 847       break;
 848     case IQ2000_OPERAND_RD_RS :
 849       {
 850         length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
 851         if (length <= 0) break;
 852         length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 853         if (length <= 0) break;
 854 {
 855   FLD (f_rd_rs) = FLD (f_rs);
 856 }
 857       }
 858       break;
 859     case IQ2000_OPERAND_RD_RT :
 860       {
 861         length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
 862         if (length <= 0) break;
 863         length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 864         if (length <= 0) break;
 865 {
 866   FLD (f_rd_rt) = FLD (f_rt);
 867 }
 868       }
 869       break;
 870     case IQ2000_OPERAND_RS :
 871       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 872       break;
 873     case IQ2000_OPERAND_RT :
 874       length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 875       break;
 876     case IQ2000_OPERAND_RT_RS :
 877       {
 878         length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 879         if (length <= 0) break;
 880         length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 881         if (length <= 0) break;
 882 {
 883   FLD (f_rd_rs) = FLD (f_rs);
 884 }
 885       }
 886       break;
 887     case IQ2000_OPERAND_SHAMT :
 888       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_shamt);
 889       break;
 890
 891     default :
 892       /* xgettext:c-format */
 893       opcodes_error_handler
 894         (_("internal error: unrecognized field %d while decoding insn"),
 895          opindex);
 896       abort ();
 897     }
 898
 899   return length;
 900 }
 901
 902 cgen_insert_fn * const iq2000_cgen_insert_handlers[] =
 903 {
 904   insert_insn_normal,
 905 };
 906
 907 cgen_extract_fn * const iq2000_cgen_extract_handlers[] =
 908 {
 909   extract_insn_normal,
 910 };
 911
 912 int iq2000_cgen_get_int_operand     (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 913 bfd_vma iq2000_cgen_get_vma_operand (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 (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 922                              int opindex,
 923                              const CGEN_FIELDS * fields)
 924 {
 925   int value;
 926
 927   switch (opindex)
 928     {
 929     case IQ2000_OPERAND__INDEX :
 930       value = fields->f_index;
 931       break;
 932     case IQ2000_OPERAND_BASE :
 933       value = fields->f_rs;
 934       break;
 935     case IQ2000_OPERAND_BASEOFF :
 936       value = fields->f_imm;
 937       break;
 938     case IQ2000_OPERAND_BITNUM :
 939       value = fields->f_rt;
 940       break;
 941     case IQ2000_OPERAND_BYTECOUNT :
 942       value = fields->f_bytecount;
 943       break;
 944     case IQ2000_OPERAND_CAM_Y :
 945       value = fields->f_cam_y;
 946       break;
 947     case IQ2000_OPERAND_CAM_Z :
 948       value = fields->f_cam_z;
 949       break;
 950     case IQ2000_OPERAND_CM_3FUNC :
 951       value = fields->f_cm_3func;
 952       break;
 953     case IQ2000_OPERAND_CM_3Z :
 954       value = fields->f_cm_3z;
 955       break;
 956     case IQ2000_OPERAND_CM_4FUNC :
 957       value = fields->f_cm_4func;
 958       break;
 959     case IQ2000_OPERAND_CM_4Z :
 960       value = fields->f_cm_4z;
 961       break;
 962     case IQ2000_OPERAND_COUNT :
 963       value = fields->f_count;
 964       break;
 965     case IQ2000_OPERAND_EXECODE :
 966       value = fields->f_excode;
 967       break;
 968     case IQ2000_OPERAND_HI16 :
 969       value = fields->f_imm;
 970       break;
 971     case IQ2000_OPERAND_IMM :
 972       value = fields->f_imm;
 973       break;
 974     case IQ2000_OPERAND_JMPTARG :
 975       value = fields->f_jtarg;
 976       break;
 977     case IQ2000_OPERAND_JMPTARGQ10 :
 978       value = fields->f_jtargq10;
 979       break;
 980     case IQ2000_OPERAND_LO16 :
 981       value = fields->f_imm;
 982       break;
 983     case IQ2000_OPERAND_MASK :
 984       value = fields->f_mask;
 985       break;
 986     case IQ2000_OPERAND_MASKL :
 987       value = fields->f_maskl;
 988       break;
 989     case IQ2000_OPERAND_MASKQ10 :
 990       value = fields->f_maskq10;
 991       break;
 992     case IQ2000_OPERAND_MASKR :
 993       value = fields->f_rs;
 994       break;
 995     case IQ2000_OPERAND_MLO16 :
 996       value = fields->f_imm;
 997       break;
 998     case IQ2000_OPERAND_OFFSET :
 999       value = fields->f_offset;
1000       break;
1001     case IQ2000_OPERAND_RD :
1002       value = fields->f_rd;
1003       break;
1004     case IQ2000_OPERAND_RD_RS :
1005       value = fields->f_rd_rs;
1006       break;
1007     case IQ2000_OPERAND_RD_RT :
1008       value = fields->f_rd_rt;
1009       break;
1010     case IQ2000_OPERAND_RS :
1011       value = fields->f_rs;
1012       break;
1013     case IQ2000_OPERAND_RT :
1014       value = fields->f_rt;
1015       break;
1016     case IQ2000_OPERAND_RT_RS :
1017       value = fields->f_rt_rs;
1018       break;
1019     case IQ2000_OPERAND_SHAMT :
1020       value = fields->f_shamt;
1021       break;
1022
1023     default :
1024       /* xgettext:c-format */
1025       opcodes_error_handler
1026         (_("internal error: unrecognized field %d while getting int operand"),
1027          opindex);
1028       abort ();
1029   }
1030
1031   return value;
1032 }
1033
1034 bfd_vma
1035 iq2000_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1036                              int opindex,
1037                              const CGEN_FIELDS * fields)
1038 {
1039   bfd_vma value;
1040
1041   switch (opindex)
1042     {
1043     case IQ2000_OPERAND__INDEX :
1044       value = fields->f_index;
1045       break;
1046     case IQ2000_OPERAND_BASE :
1047       value = fields->f_rs;
1048       break;
1049     case IQ2000_OPERAND_BASEOFF :
1050       value = fields->f_imm;
1051       break;
1052     case IQ2000_OPERAND_BITNUM :
1053       value = fields->f_rt;
1054       break;
1055     case IQ2000_OPERAND_BYTECOUNT :
1056       value = fields->f_bytecount;
1057       break;
1058     case IQ2000_OPERAND_CAM_Y :
1059       value = fields->f_cam_y;
1060       break;
1061     case IQ2000_OPERAND_CAM_Z :
1062       value = fields->f_cam_z;
1063       break;
1064     case IQ2000_OPERAND_CM_3FUNC :
1065       value = fields->f_cm_3func;
1066       break;
1067     case IQ2000_OPERAND_CM_3Z :
1068       value = fields->f_cm_3z;
1069       break;
1070     case IQ2000_OPERAND_CM_4FUNC :
1071       value = fields->f_cm_4func;
1072       break;
1073     case IQ2000_OPERAND_CM_4Z :
1074       value = fields->f_cm_4z;
1075       break;
1076     case IQ2000_OPERAND_COUNT :
1077       value = fields->f_count;
1078       break;
1079     case IQ2000_OPERAND_EXECODE :
1080       value = fields->f_excode;
1081       break;
1082     case IQ2000_OPERAND_HI16 :
1083       value = fields->f_imm;
1084       break;
1085     case IQ2000_OPERAND_IMM :
1086       value = fields->f_imm;
1087       break;
1088     case IQ2000_OPERAND_JMPTARG :
1089       value = fields->f_jtarg;
1090       break;
1091     case IQ2000_OPERAND_JMPTARGQ10 :
1092       value = fields->f_jtargq10;
1093       break;
1094     case IQ2000_OPERAND_LO16 :
1095       value = fields->f_imm;
1096       break;
1097     case IQ2000_OPERAND_MASK :
1098       value = fields->f_mask;
1099       break;
1100     case IQ2000_OPERAND_MASKL :
1101       value = fields->f_maskl;
1102       break;
1103     case IQ2000_OPERAND_MASKQ10 :
1104       value = fields->f_maskq10;
1105       break;
1106     case IQ2000_OPERAND_MASKR :
1107       value = fields->f_rs;
1108       break;
1109     case IQ2000_OPERAND_MLO16 :
1110       value = fields->f_imm;
1111       break;
1112     case IQ2000_OPERAND_OFFSET :
1113       value = fields->f_offset;
1114       break;
1115     case IQ2000_OPERAND_RD :
1116       value = fields->f_rd;
1117       break;
1118     case IQ2000_OPERAND_RD_RS :
1119       value = fields->f_rd_rs;
1120       break;
1121     case IQ2000_OPERAND_RD_RT :
1122       value = fields->f_rd_rt;
1123       break;
1124     case IQ2000_OPERAND_RS :
1125       value = fields->f_rs;
1126       break;
1127     case IQ2000_OPERAND_RT :
1128       value = fields->f_rt;
1129       break;
1130     case IQ2000_OPERAND_RT_RS :
1131       value = fields->f_rt_rs;
1132       break;
1133     case IQ2000_OPERAND_SHAMT :
1134       value = fields->f_shamt;
1135       break;
1136
1137     default :
1138       /* xgettext:c-format */
1139       opcodes_error_handler
1140         (_("internal error: unrecognized field %d while getting vma operand"),
1141          opindex);
1142       abort ();
1143   }
1144
1145   return value;
1146 }
1147
1148 void iq2000_cgen_set_int_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
1149 void iq2000_cgen_set_vma_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
1150
1151 /* Stuffing values in cgen_fields is handled by a collection of functions.
1152    They are distinguished by the type of the VALUE argument they accept.
1153    TODO: floating point, inlining support, remove cases where argument type
1154    not appropriate.  */
1155
1156 void
1157 iq2000_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1158                              int opindex,
1159                              CGEN_FIELDS * fields,
1160                              int value)
1161 {
1162   switch (opindex)
1163     {
1164     case IQ2000_OPERAND__INDEX :
1165       fields->f_index = value;
1166       break;
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_HI16 :
1204       fields->f_imm = value;
1205       break;
1206     case IQ2000_OPERAND_IMM :
1207       fields->f_imm = value;
1208       break;
1209     case IQ2000_OPERAND_JMPTARG :
1210       fields->f_jtarg = value;
1211       break;
1212     case IQ2000_OPERAND_JMPTARGQ10 :
1213       fields->f_jtargq10 = value;
1214       break;
1215     case IQ2000_OPERAND_LO16 :
1216       fields->f_imm = value;
1217       break;
1218     case IQ2000_OPERAND_MASK :
1219       fields->f_mask = value;
1220       break;
1221     case IQ2000_OPERAND_MASKL :
1222       fields->f_maskl = value;
1223       break;
1224     case IQ2000_OPERAND_MASKQ10 :
1225       fields->f_maskq10 = value;
1226       break;
1227     case IQ2000_OPERAND_MASKR :
1228       fields->f_rs = value;
1229       break;
1230     case IQ2000_OPERAND_MLO16 :
1231       fields->f_imm = value;
1232       break;
1233     case IQ2000_OPERAND_OFFSET :
1234       fields->f_offset = value;
1235       break;
1236     case IQ2000_OPERAND_RD :
1237       fields->f_rd = value;
1238       break;
1239     case IQ2000_OPERAND_RD_RS :
1240       fields->f_rd_rs = value;
1241       break;
1242     case IQ2000_OPERAND_RD_RT :
1243       fields->f_rd_rt = value;
1244       break;
1245     case IQ2000_OPERAND_RS :
1246       fields->f_rs = value;
1247       break;
1248     case IQ2000_OPERAND_RT :
1249       fields->f_rt = value;
1250       break;
1251     case IQ2000_OPERAND_RT_RS :
1252       fields->f_rt_rs = value;
1253       break;
1254     case IQ2000_OPERAND_SHAMT :
1255       fields->f_shamt = value;
1256       break;
1257
1258     default :
1259       /* xgettext:c-format */
1260       opcodes_error_handler
1261         (_("internal error: unrecognized field %d while setting int operand"),
1262          opindex);
1263       abort ();
1264   }
1265 }
1266
1267 void
1268 iq2000_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1269                              int opindex,
1270                              CGEN_FIELDS * fields,
1271                              bfd_vma value)
1272 {
1273   switch (opindex)
1274     {
1275     case IQ2000_OPERAND__INDEX :
1276       fields->f_index = value;
1277       break;
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_HI16 :
1315       fields->f_imm = value;
1316       break;
1317     case IQ2000_OPERAND_IMM :
1318       fields->f_imm = value;
1319       break;
1320     case IQ2000_OPERAND_JMPTARG :
1321       fields->f_jtarg = value;
1322       break;
1323     case IQ2000_OPERAND_JMPTARGQ10 :
1324       fields->f_jtargq10 = value;
1325       break;
1326     case IQ2000_OPERAND_LO16 :
1327       fields->f_imm = value;
1328       break;
1329     case IQ2000_OPERAND_MASK :
1330       fields->f_mask = value;
1331       break;
1332     case IQ2000_OPERAND_MASKL :
1333       fields->f_maskl = value;
1334       break;
1335     case IQ2000_OPERAND_MASKQ10 :
1336       fields->f_maskq10 = value;
1337       break;
1338     case IQ2000_OPERAND_MASKR :
1339       fields->f_rs = value;
1340       break;
1341     case IQ2000_OPERAND_MLO16 :
1342       fields->f_imm = value;
1343       break;
1344     case IQ2000_OPERAND_OFFSET :
1345       fields->f_offset = value;
1346       break;
1347     case IQ2000_OPERAND_RD :
1348       fields->f_rd = value;
1349       break;
1350     case IQ2000_OPERAND_RD_RS :
1351       fields->f_rd_rs = value;
1352       break;
1353     case IQ2000_OPERAND_RD_RT :
1354       fields->f_rd_rt = value;
1355       break;
1356     case IQ2000_OPERAND_RS :
1357       fields->f_rs = value;
1358       break;
1359     case IQ2000_OPERAND_RT :
1360       fields->f_rt = value;
1361       break;
1362     case IQ2000_OPERAND_RT_RS :
1363       fields->f_rt_rs = value;
1364       break;
1365     case IQ2000_OPERAND_SHAMT :
1366       fields->f_shamt = value;
1367       break;
1368
1369     default :
1370       /* xgettext:c-format */
1371       opcodes_error_handler
1372         (_("internal error: unrecognized field %d while setting vma operand"),
1373          opindex);
1374       abort ();
1375   }
1376 }
1377
1378 /* Function to call before using the instruction builder tables.  */
1379
1380 void
1381 iq2000_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1382 {
1383   cd->insert_handlers = & iq2000_cgen_insert_handlers[0];
1384   cd->extract_handlers = & iq2000_cgen_extract_handlers[0];
1385
1386   cd->insert_operand = iq2000_cgen_insert_operand;
1387   cd->extract_operand = iq2000_cgen_extract_operand;
1388
1389   cd->get_int_operand = iq2000_cgen_get_int_operand;
1390   cd->set_int_operand = iq2000_cgen_set_int_operand;
1391   cd->get_vma_operand = iq2000_cgen_get_vma_operand;
1392   cd->set_vma_operand = iq2000_cgen_set_vma_operand;
1393 }