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 (C) 1996-2016 Free Software Foundation, Inc.
   7
   8    This file is part of libopcodes.
   9
  10    This library is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3, or (at your option)
  13    any later version.
  14
  15    It is distributed in the hope that it will be useful, but WITHOUT
  16    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  17    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  18    License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software Foundation, Inc.,
  22    51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  23
  24 /* ??? 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 "cgen/basic-modes.h"
  36 #include "opintl.h"
  37 #include "safe-ctype.h"
  38
  39 #undef  min
  40 #define min(a,b) ((a) < (b) ? (a) : (b))
  41 #undef  max
  42 #define max(a,b) ((a) > (b) ? (a) : (b))
  43
  44 /* Used by the ifield rtx function.  */
  45 #define FLD(f) (fields->f)
  46
  47 static const char * insert_normal
  48   (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
  49    unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);
  50 static const char * insert_insn_normal
  51   (CGEN_CPU_DESC, const CGEN_INSN *,
  52    CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
  53 static int extract_normal
  54   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
  55    unsigned int, unsigned int, unsigned int, unsigned int,
  56    unsigned int, unsigned int, bfd_vma, long *);
  57 static int extract_insn_normal
  58   (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
  59    CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
  60 #if CGEN_INT_INSN_P
  61 static void put_insn_int_value
  62   (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
  63 #endif
  64 #if ! CGEN_INT_INSN_P
  65 static CGEN_INLINE void insert_1
  66   (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
  67 static CGEN_INLINE int fill_cache
  68   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *,  int, int, bfd_vma);
  69 static CGEN_INLINE long extract_1
  70   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
  71 #endif
  72 \f
  73 /* Operand insertion.  */
  74
  75 #if ! CGEN_INT_INSN_P
  76
  77 /* Subroutine of insert_normal.  */
  78
  79 static CGEN_INLINE void
  80 insert_1 (CGEN_CPU_DESC cd,
  81           unsigned long value,
  82           int start,
  83           int length,
  84           int word_length,
  85           unsigned char *bufp)
  86 {
  87   unsigned long x,mask;
  88   int shift;
  89
  90   x = cgen_get_insn_value (cd, bufp, word_length);
  91
  92   /* Written this way to avoid undefined behaviour.  */
  93   mask = (((1L << (length - 1)) - 1) << 1) | 1;
  94   if (CGEN_INSN_LSB0_P)
  95     shift = (start + 1) - length;
  96   else
  97     shift = (word_length - (start + length));
  98   x = (x & ~(mask << shift)) | ((value & mask) << shift);
  99
 100   cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x);
 101 }
 102
 103 #endif /* ! CGEN_INT_INSN_P */
 104
 105 /* Default insertion routine.
 106
 107    ATTRS is a mask of the boolean attributes.
 108    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 109    WORD_LENGTH is the length of the word in bits in which the value resides.
 110    START is the starting bit number in the word, architecture origin.
 111    LENGTH is the length of VALUE in bits.
 112    TOTAL_LENGTH is the total length of the insn in bits.
 113
 114    The result is an error message or NULL if success.  */
 115
 116 /* ??? This duplicates functionality with bfd's howto table and
 117    bfd_install_relocation.  */
 118 /* ??? This doesn't handle bfd_vma's.  Create another function when
 119    necessary.  */
 120
 121 static const char *
 122 insert_normal (CGEN_CPU_DESC cd,
 123                long value,
 124                unsigned int attrs,
 125                unsigned int word_offset,
 126                unsigned int start,
 127                unsigned int length,
 128                unsigned int word_length,
 129                unsigned int total_length,
 130                CGEN_INSN_BYTES_PTR buffer)
 131 {
 132   static char errbuf[100];
 133   /* Written this way to avoid undefined behaviour.  */
 134   unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1;
 135
 136   /* If LENGTH is zero, this operand doesn't contribute to the value.  */
 137   if (length == 0)
 138     return NULL;
 139
 140   if (word_length > 8 * sizeof (CGEN_INSN_INT))
 141     abort ();
 142
 143   /* For architectures with insns smaller than the base-insn-bitsize,
 144      word_length may be too big.  */
 145   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 146     {
 147       if (word_offset == 0
 148           && word_length > total_length)
 149         word_length = total_length;
 150     }
 151
 152   /* Ensure VALUE will fit.  */
 153   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
 154     {
 155       long minval = - (1L << (length - 1));
 156       unsigned long maxval = mask;
 157
 158       if ((value > 0 && (unsigned long) value > maxval)
 159           || value < minval)
 160         {
 161           /* xgettext:c-format */
 162           sprintf (errbuf,
 163                    _("operand out of range (%ld not between %ld and %lu)"),
 164                    value, minval, maxval);
 165           return errbuf;
 166         }
 167     }
 168   else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
 169     {
 170       unsigned long maxval = mask;
 171       unsigned long val = (unsigned long) value;
 172
 173       /* For hosts with a word size > 32 check to see if value has been sign
 174          extended beyond 32 bits.  If so then ignore these higher sign bits
 175          as the user is attempting to store a 32-bit signed value into an
 176          unsigned 32-bit field which is allowed.  */
 177       if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
 178         val &= 0xFFFFFFFF;
 179
 180       if (val > maxval)
 181         {
 182           /* xgettext:c-format */
 183           sprintf (errbuf,
 184                    _("operand out of range (0x%lx not between 0 and 0x%lx)"),
 185                    val, maxval);
 186           return errbuf;
 187         }
 188     }
 189   else
 190     {
 191       if (! cgen_signed_overflow_ok_p (cd))
 192         {
 193           long minval = - (1L << (length - 1));
 194           long maxval =   (1L << (length - 1)) - 1;
 195
 196           if (value < minval || value > maxval)
 197             {
 198               sprintf
 199                 /* xgettext:c-format */
 200                 (errbuf, _("operand out of range (%ld not between %ld and %ld)"),
 201                  value, minval, maxval);
 202               return errbuf;
 203             }
 204         }
 205     }
 206
 207 #if CGEN_INT_INSN_P
 208
 209   {
 210     int shift_within_word, shift_to_word, shift;
 211
 212     /* How to shift the value to BIT0 of the word.  */
 213     shift_to_word = total_length - (word_offset + word_length);
 214
 215     /* How to shift the value to the field within the word.  */
 216     if (CGEN_INSN_LSB0_P)
 217       shift_within_word = start + 1 - length;
 218     else
 219       shift_within_word = word_length - start - length;
 220
 221     /* The total SHIFT, then mask in the value.  */
 222     shift = shift_to_word + shift_within_word;
 223     *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
 224   }
 225
 226 #else /* ! CGEN_INT_INSN_P */
 227
 228   {
 229     unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
 230
 231     insert_1 (cd, value, start, length, word_length, bufp);
 232   }
 233
 234 #endif /* ! CGEN_INT_INSN_P */
 235
 236   return NULL;
 237 }
 238
 239 /* Default insn builder (insert handler).
 240    The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
 241    that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
 242    recorded in host byte order, otherwise BUFFER is an array of bytes
 243    and the value is recorded in target byte order).
 244    The result is an error message or NULL if success.  */
 245
 246 static const char *
 247 insert_insn_normal (CGEN_CPU_DESC cd,
 248                     const CGEN_INSN * insn,
 249                     CGEN_FIELDS * fields,
 250                     CGEN_INSN_BYTES_PTR buffer,
 251                     bfd_vma pc)
 252 {
 253   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 254   unsigned long value;
 255   const CGEN_SYNTAX_CHAR_TYPE * syn;
 256
 257   CGEN_INIT_INSERT (cd);
 258   value = CGEN_INSN_BASE_VALUE (insn);
 259
 260   /* If we're recording insns as numbers (rather than a string of bytes),
 261      target byte order handling is deferred until later.  */
 262
 263 #if CGEN_INT_INSN_P
 264
 265   put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
 266                       CGEN_FIELDS_BITSIZE (fields), value);
 267
 268 #else
 269
 270   cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
 271                                         (unsigned) CGEN_FIELDS_BITSIZE (fields)),
 272                        value);
 273
 274 #endif /* ! CGEN_INT_INSN_P */
 275
 276   /* ??? It would be better to scan the format's fields.
 277      Still need to be able to insert a value based on the operand though;
 278      e.g. storing a branch displacement that got resolved later.
 279      Needs more thought first.  */
 280
 281   for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
 282     {
 283       const char *errmsg;
 284
 285       if (CGEN_SYNTAX_CHAR_P (* syn))
 286         continue;
 287
 288       errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 289                                        fields, buffer, pc);
 290       if (errmsg)
 291         return errmsg;
 292     }
 293
 294   return NULL;
 295 }
 296
 297 #if CGEN_INT_INSN_P
 298 /* Cover function to store an insn value into an integral insn.  Must go here
 299    because it needs <prefix>-desc.h for CGEN_INT_INSN_P.  */
 300
 301 static void
 302 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 303                     CGEN_INSN_BYTES_PTR buf,
 304                     int length,
 305                     int insn_length,
 306                     CGEN_INSN_INT value)
 307 {
 308   /* For architectures with insns smaller than the base-insn-bitsize,
 309      length may be too big.  */
 310   if (length > insn_length)
 311     *buf = value;
 312   else
 313     {
 314       int shift = insn_length - length;
 315       /* Written this way to avoid undefined behaviour.  */
 316       CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
 317
 318       *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
 319     }
 320 }
 321 #endif
 322 \f
 323 /* Operand extraction.  */
 324
 325 #if ! CGEN_INT_INSN_P
 326
 327 /* Subroutine of extract_normal.
 328    Ensure sufficient bytes are cached in EX_INFO.
 329    OFFSET is the offset in bytes from the start of the insn of the value.
 330    BYTES is the length of the needed value.
 331    Returns 1 for success, 0 for failure.  */
 332
 333 static CGEN_INLINE int
 334 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 335             CGEN_EXTRACT_INFO *ex_info,
 336             int offset,
 337             int bytes,
 338             bfd_vma pc)
 339 {
 340   /* It's doubtful that the middle part has already been fetched so
 341      we don't optimize that case.  kiss.  */
 342   unsigned int mask;
 343   disassemble_info *info = (disassemble_info *) ex_info->dis_info;
 344
 345   /* First do a quick check.  */
 346   mask = (1 << bytes) - 1;
 347   if (((ex_info->valid >> offset) & mask) == mask)
 348     return 1;
 349
 350   /* Search for the first byte we need to read.  */
 351   for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
 352     if (! (mask & ex_info->valid))
 353       break;
 354
 355   if (bytes)
 356     {
 357       int status;
 358
 359       pc += offset;
 360       status = (*info->read_memory_func)
 361         (pc, ex_info->insn_bytes + offset, bytes, info);
 362
 363       if (status != 0)
 364         {
 365           (*info->memory_error_func) (status, pc, info);
 366           return 0;
 367         }
 368
 369       ex_info->valid |= ((1 << bytes) - 1) << offset;
 370     }
 371
 372   return 1;
 373 }
 374
 375 /* Subroutine of extract_normal.  */
 376
 377 static CGEN_INLINE long
 378 extract_1 (CGEN_CPU_DESC cd,
 379            CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 380            int start,
 381            int length,
 382            int word_length,
 383            unsigned char *bufp,
 384            bfd_vma pc ATTRIBUTE_UNUSED)
 385 {
 386   unsigned long x;
 387   int shift;
 388
 389   x = cgen_get_insn_value (cd, bufp, word_length);
 390
 391   if (CGEN_INSN_LSB0_P)
 392     shift = (start + 1) - length;
 393   else
 394     shift = (word_length - (start + length));
 395   return x >> shift;
 396 }
 397
 398 #endif /* ! CGEN_INT_INSN_P */
 399
 400 /* Default extraction routine.
 401
 402    INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
 403    or sometimes less for cases like the m32r where the base insn size is 32
 404    but some insns are 16 bits.
 405    ATTRS is a mask of the boolean attributes.  We only need `SIGNED',
 406    but for generality we take a bitmask of all of them.
 407    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 408    WORD_LENGTH is the length of the word in bits in which the value resides.
 409    START is the starting bit number in the word, architecture origin.
 410    LENGTH is the length of VALUE in bits.
 411    TOTAL_LENGTH is the total length of the insn in bits.
 412
 413    Returns 1 for success, 0 for failure.  */
 414
 415 /* ??? The return code isn't properly used.  wip.  */
 416
 417 /* ??? This doesn't handle bfd_vma's.  Create another function when
 418    necessary.  */
 419
 420 static int
 421 extract_normal (CGEN_CPU_DESC cd,
 422 #if ! CGEN_INT_INSN_P
 423                 CGEN_EXTRACT_INFO *ex_info,
 424 #else
 425                 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 426 #endif
 427                 CGEN_INSN_INT insn_value,
 428                 unsigned int attrs,
 429                 unsigned int word_offset,
 430                 unsigned int start,
 431                 unsigned int length,
 432                 unsigned int word_length,
 433                 unsigned int total_length,
 434 #if ! CGEN_INT_INSN_P
 435                 bfd_vma pc,
 436 #else
 437                 bfd_vma pc ATTRIBUTE_UNUSED,
 438 #endif
 439                 long *valuep)
 440 {
 441   long value, mask;
 442
 443   /* If LENGTH is zero, this operand doesn't contribute to the value
 444      so give it a standard value of zero.  */
 445   if (length == 0)
 446     {
 447       *valuep = 0;
 448       return 1;
 449     }
 450
 451   if (word_length > 8 * sizeof (CGEN_INSN_INT))
 452     abort ();
 453
 454   /* For architectures with insns smaller than the insn-base-bitsize,
 455      word_length may be too big.  */
 456   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 457     {
 458       if (word_offset + word_length > total_length)
 459         word_length = total_length - word_offset;
 460     }
 461
 462   /* Does the value reside in INSN_VALUE, and at the right alignment?  */
 463
 464   if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
 465     {
 466       if (CGEN_INSN_LSB0_P)
 467         value = insn_value >> ((word_offset + start + 1) - length);
 468       else
 469         value = insn_value >> (total_length - ( word_offset + start + length));
 470     }
 471
 472 #if ! CGEN_INT_INSN_P
 473
 474   else
 475     {
 476       unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
 477
 478       if (word_length > 8 * sizeof (CGEN_INSN_INT))
 479         abort ();
 480
 481       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
 482         return 0;
 483
 484       value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
 485     }
 486
 487 #endif /* ! CGEN_INT_INSN_P */
 488
 489   /* Written this way to avoid undefined behaviour.  */
 490   mask = (((1L << (length - 1)) - 1) << 1) | 1;
 491
 492   value &= mask;
 493   /* sign extend? */
 494   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
 495       && (value & (1L << (length - 1))))
 496     value |= ~mask;
 497
 498   *valuep = value;
 499
 500   return 1;
 501 }
 502
 503 /* Default insn extractor.
 504
 505    INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
 506    The extracted fields are stored in FIELDS.
 507    EX_INFO is used to handle reading variable length insns.
 508    Return the length of the insn in bits, or 0 if no match,
 509    or -1 if an error occurs fetching data (memory_error_func will have
 510    been called).  */
 511
 512 static int
 513 extract_insn_normal (CGEN_CPU_DESC cd,
 514                      const CGEN_INSN *insn,
 515                      CGEN_EXTRACT_INFO *ex_info,
 516                      CGEN_INSN_INT insn_value,
 517                      CGEN_FIELDS *fields,
 518                      bfd_vma pc)
 519 {
 520   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 521   const CGEN_SYNTAX_CHAR_TYPE *syn;
 522
 523   CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
 524
 525   CGEN_INIT_EXTRACT (cd);
 526
 527   for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
 528     {
 529       int length;
 530
 531       if (CGEN_SYNTAX_CHAR_P (*syn))
 532         continue;
 533
 534       length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 535                                         ex_info, insn_value, fields, pc);
 536       if (length <= 0)
 537         return length;
 538     }
 539
 540   /* We recognized and successfully extracted this insn.  */
 541   return CGEN_INSN_BITSIZE (insn);
 542 }
 543 \f
 544 /* Machine generated code added here.  */
 545
 546 const char * iq2000_cgen_insert_operand
 547   (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
 548
 549 /* Main entry point for operand insertion.
 550
 551    This function is basically just a big switch statement.  Earlier versions
 552    used tables to look up the function to use, but
 553    - if the table contains both assembler and disassembler functions then
 554      the disassembler contains much of the assembler and vice-versa,
 555    - there's a lot of inlining possibilities as things grow,
 556    - using a switch statement avoids the function call overhead.
 557
 558    This function could be moved into `parse_insn_normal', but keeping it
 559    separate makes clear the interface between `parse_insn_normal' and each of
 560    the handlers.  It's also needed by GAS to insert operands that couldn't be
 561    resolved during parsing.  */
 562
 563 const char *
 564 iq2000_cgen_insert_operand (CGEN_CPU_DESC cd,
 565                              int opindex,
 566                              CGEN_FIELDS * fields,
 567                              CGEN_INSN_BYTES_PTR buffer,
 568                              bfd_vma pc ATTRIBUTE_UNUSED)
 569 {
 570   const char * errmsg = NULL;
 571   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 572
 573   switch (opindex)
 574     {
 575     case IQ2000_OPERAND__INDEX :
 576       errmsg = insert_normal (cd, fields->f_index, 0, 0, 8, 9, 32, total_length, buffer);
 577       break;
 578     case IQ2000_OPERAND_BASE :
 579       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 580       break;
 581     case IQ2000_OPERAND_BASEOFF :
 582       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 583       break;
 584     case IQ2000_OPERAND_BITNUM :
 585       errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 586       break;
 587     case IQ2000_OPERAND_BYTECOUNT :
 588       errmsg = insert_normal (cd, fields->f_bytecount, 0, 0, 7, 8, 32, total_length, buffer);
 589       break;
 590     case IQ2000_OPERAND_CAM_Y :
 591       errmsg = insert_normal (cd, fields->f_cam_y, 0, 0, 2, 3, 32, total_length, buffer);
 592       break;
 593     case IQ2000_OPERAND_CAM_Z :
 594       errmsg = insert_normal (cd, fields->f_cam_z, 0, 0, 5, 3, 32, total_length, buffer);
 595       break;
 596     case IQ2000_OPERAND_CM_3FUNC :
 597       errmsg = insert_normal (cd, fields->f_cm_3func, 0, 0, 5, 3, 32, total_length, buffer);
 598       break;
 599     case IQ2000_OPERAND_CM_3Z :
 600       errmsg = insert_normal (cd, fields->f_cm_3z, 0, 0, 1, 2, 32, total_length, buffer);
 601       break;
 602     case IQ2000_OPERAND_CM_4FUNC :
 603       errmsg = insert_normal (cd, fields->f_cm_4func, 0, 0, 5, 4, 32, total_length, buffer);
 604       break;
 605     case IQ2000_OPERAND_CM_4Z :
 606       errmsg = insert_normal (cd, fields->f_cm_4z, 0, 0, 2, 3, 32, total_length, buffer);
 607       break;
 608     case IQ2000_OPERAND_COUNT :
 609       errmsg = insert_normal (cd, fields->f_count, 0, 0, 15, 7, 32, total_length, buffer);
 610       break;
 611     case IQ2000_OPERAND_EXECODE :
 612       errmsg = insert_normal (cd, fields->f_excode, 0, 0, 25, 20, 32, total_length, buffer);
 613       break;
 614     case IQ2000_OPERAND_HI16 :
 615       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 616       break;
 617     case IQ2000_OPERAND_IMM :
 618       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 619       break;
 620     case IQ2000_OPERAND_JMPTARG :
 621       {
 622         long value = fields->f_jtarg;
 623         value = ((USI) (((value) & (262143))) >> (2));
 624         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, buffer);
 625       }
 626       break;
 627     case IQ2000_OPERAND_JMPTARGQ10 :
 628       {
 629         long value = fields->f_jtargq10;
 630         value = ((USI) (((value) & (8388607))) >> (2));
 631         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, buffer);
 632       }
 633       break;
 634     case IQ2000_OPERAND_LO16 :
 635       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 636       break;
 637     case IQ2000_OPERAND_MASK :
 638       errmsg = insert_normal (cd, fields->f_mask, 0, 0, 9, 4, 32, total_length, buffer);
 639       break;
 640     case IQ2000_OPERAND_MASKL :
 641       errmsg = insert_normal (cd, fields->f_maskl, 0, 0, 4, 5, 32, total_length, buffer);
 642       break;
 643     case IQ2000_OPERAND_MASKQ10 :
 644       errmsg = insert_normal (cd, fields->f_maskq10, 0, 0, 10, 5, 32, total_length, buffer);
 645       break;
 646     case IQ2000_OPERAND_MASKR :
 647       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 648       break;
 649     case IQ2000_OPERAND_MLO16 :
 650       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 651       break;
 652     case IQ2000_OPERAND_OFFSET :
 653       {
 654         long value = fields->f_offset;
 655         value = ((SI) (((value) - (pc))) >> (2));
 656         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, buffer);
 657       }
 658       break;
 659     case IQ2000_OPERAND_RD :
 660       errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
 661       break;
 662     case IQ2000_OPERAND_RD_RS :
 663       {
 664 {
 665   FLD (f_rd) = FLD (f_rd_rs);
 666   FLD (f_rs) = FLD (f_rd_rs);
 667 }
 668         errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
 669         if (errmsg)
 670           break;
 671         errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 672         if (errmsg)
 673           break;
 674       }
 675       break;
 676     case IQ2000_OPERAND_RD_RT :
 677       {
 678 {
 679   FLD (f_rd) = FLD (f_rd_rt);
 680   FLD (f_rt) = FLD (f_rd_rt);
 681 }
 682         errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
 683         if (errmsg)
 684           break;
 685         errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 686         if (errmsg)
 687           break;
 688       }
 689       break;
 690     case IQ2000_OPERAND_RS :
 691       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 692       break;
 693     case IQ2000_OPERAND_RT :
 694       errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 695       break;
 696     case IQ2000_OPERAND_RT_RS :
 697       {
 698 {
 699   FLD (f_rt) = FLD (f_rt_rs);
 700   FLD (f_rs) = FLD (f_rt_rs);
 701 }
 702         errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 703         if (errmsg)
 704           break;
 705         errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 706         if (errmsg)
 707           break;
 708       }
 709       break;
 710     case IQ2000_OPERAND_SHAMT :
 711       errmsg = insert_normal (cd, fields->f_shamt, 0, 0, 10, 5, 32, total_length, buffer);
 712       break;
 713
 714     default :
 715       /* xgettext:c-format */
 716       fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
 717                opindex);
 718       abort ();
 719   }
 720
 721   return errmsg;
 722 }
 723
 724 int iq2000_cgen_extract_operand
 725   (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, 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 (CGEN_CPU_DESC cd,
 744                              int opindex,
 745                              CGEN_EXTRACT_INFO *ex_info,
 746                              CGEN_INSN_INT insn_value,
 747                              CGEN_FIELDS * fields,
 748                              bfd_vma pc)
 749 {
 750   /* Assume success (for those operands that are nops).  */
 751   int length = 1;
 752   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 753
 754   switch (opindex)
 755     {
 756     case IQ2000_OPERAND__INDEX :
 757       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_index);
 758       break;
 759     case IQ2000_OPERAND_BASE :
 760       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 761       break;
 762     case IQ2000_OPERAND_BASEOFF :
 763       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 764       break;
 765     case IQ2000_OPERAND_BITNUM :
 766       length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 767       break;
 768     case IQ2000_OPERAND_BYTECOUNT :
 769       length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 8, 32, total_length, pc, & fields->f_bytecount);
 770       break;
 771     case IQ2000_OPERAND_CAM_Y :
 772       length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cam_y);
 773       break;
 774     case IQ2000_OPERAND_CAM_Z :
 775       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cam_z);
 776       break;
 777     case IQ2000_OPERAND_CM_3FUNC :
 778       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cm_3func);
 779       break;
 780     case IQ2000_OPERAND_CM_3Z :
 781       length = extract_normal (cd, ex_info, insn_value, 0, 0, 1, 2, 32, total_length, pc, & fields->f_cm_3z);
 782       break;
 783     case IQ2000_OPERAND_CM_4FUNC :
 784       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 4, 32, total_length, pc, & fields->f_cm_4func);
 785       break;
 786     case IQ2000_OPERAND_CM_4Z :
 787       length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cm_4z);
 788       break;
 789     case IQ2000_OPERAND_COUNT :
 790       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 7, 32, total_length, pc, & fields->f_count);
 791       break;
 792     case IQ2000_OPERAND_EXECODE :
 793       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 20, 32, total_length, pc, & fields->f_excode);
 794       break;
 795     case IQ2000_OPERAND_HI16 :
 796       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 797       break;
 798     case IQ2000_OPERAND_IMM :
 799       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 800       break;
 801     case IQ2000_OPERAND_JMPTARG :
 802       {
 803         long value;
 804         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, pc, & value);
 805         value = ((((pc) & (0xf0000000))) | (((value) << (2))));
 806         fields->f_jtarg = value;
 807       }
 808       break;
 809     case IQ2000_OPERAND_JMPTARGQ10 :
 810       {
 811         long value;
 812         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, pc, & value);
 813         value = ((((pc) & (0xf0000000))) | (((value) << (2))));
 814         fields->f_jtargq10 = value;
 815       }
 816       break;
 817     case IQ2000_OPERAND_LO16 :
 818       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 819       break;
 820     case IQ2000_OPERAND_MASK :
 821       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 4, 32, total_length, pc, & fields->f_mask);
 822       break;
 823     case IQ2000_OPERAND_MASKL :
 824       length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 5, 32, total_length, pc, & fields->f_maskl);
 825       break;
 826     case IQ2000_OPERAND_MASKQ10 :
 827       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_maskq10);
 828       break;
 829     case IQ2000_OPERAND_MASKR :
 830       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 831       break;
 832     case IQ2000_OPERAND_MLO16 :
 833       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 834       break;
 835     case IQ2000_OPERAND_OFFSET :
 836       {
 837         long value;
 838         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);
 839         value = ((((value) << (2))) + (((pc) + (4))));
 840         fields->f_offset = value;
 841       }
 842       break;
 843     case IQ2000_OPERAND_RD :
 844       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
 845       break;
 846     case IQ2000_OPERAND_RD_RS :
 847       {
 848         length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
 849         if (length <= 0) break;
 850         length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 851         if (length <= 0) break;
 852 {
 853   FLD (f_rd_rs) = FLD (f_rs);
 854 }
 855       }
 856       break;
 857     case IQ2000_OPERAND_RD_RT :
 858       {
 859         length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
 860         if (length <= 0) break;
 861         length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 862         if (length <= 0) break;
 863 {
 864   FLD (f_rd_rt) = FLD (f_rt);
 865 }
 866       }
 867       break;
 868     case IQ2000_OPERAND_RS :
 869       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 870       break;
 871     case IQ2000_OPERAND_RT :
 872       length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 873       break;
 874     case IQ2000_OPERAND_RT_RS :
 875       {
 876         length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 877         if (length <= 0) break;
 878         length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 879         if (length <= 0) break;
 880 {
 881   FLD (f_rd_rs) = FLD (f_rs);
 882 }
 883       }
 884       break;
 885     case IQ2000_OPERAND_SHAMT :
 886       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_shamt);
 887       break;
 888
 889     default :
 890       /* xgettext:c-format */
 891       fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
 892                opindex);
 893       abort ();
 894     }
 895
 896   return length;
 897 }
 898
 899 cgen_insert_fn * const iq2000_cgen_insert_handlers[] =
 900 {
 901   insert_insn_normal,
 902 };
 903
 904 cgen_extract_fn * const iq2000_cgen_extract_handlers[] =
 905 {
 906   extract_insn_normal,
 907 };
 908
 909 int iq2000_cgen_get_int_operand     (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 910 bfd_vma iq2000_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 911
 912 /* Getting values from cgen_fields is handled by a collection of functions.
 913    They are distinguished by the type of the VALUE argument they return.
 914    TODO: floating point, inlining support, remove cases where result type
 915    not appropriate.  */
 916
 917 int
 918 iq2000_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 919                              int opindex,
 920                              const CGEN_FIELDS * fields)
 921 {
 922   int value;
 923
 924   switch (opindex)
 925     {
 926     case IQ2000_OPERAND__INDEX :
 927       value = fields->f_index;
 928       break;
 929     case IQ2000_OPERAND_BASE :
 930       value = fields->f_rs;
 931       break;
 932     case IQ2000_OPERAND_BASEOFF :
 933       value = fields->f_imm;
 934       break;
 935     case IQ2000_OPERAND_BITNUM :
 936       value = fields->f_rt;
 937       break;
 938     case IQ2000_OPERAND_BYTECOUNT :
 939       value = fields->f_bytecount;
 940       break;
 941     case IQ2000_OPERAND_CAM_Y :
 942       value = fields->f_cam_y;
 943       break;
 944     case IQ2000_OPERAND_CAM_Z :
 945       value = fields->f_cam_z;
 946       break;
 947     case IQ2000_OPERAND_CM_3FUNC :
 948       value = fields->f_cm_3func;
 949       break;
 950     case IQ2000_OPERAND_CM_3Z :
 951       value = fields->f_cm_3z;
 952       break;
 953     case IQ2000_OPERAND_CM_4FUNC :
 954       value = fields->f_cm_4func;
 955       break;
 956     case IQ2000_OPERAND_CM_4Z :
 957       value = fields->f_cm_4z;
 958       break;
 959     case IQ2000_OPERAND_COUNT :
 960       value = fields->f_count;
 961       break;
 962     case IQ2000_OPERAND_EXECODE :
 963       value = fields->f_excode;
 964       break;
 965     case IQ2000_OPERAND_HI16 :
 966       value = fields->f_imm;
 967       break;
 968     case IQ2000_OPERAND_IMM :
 969       value = fields->f_imm;
 970       break;
 971     case IQ2000_OPERAND_JMPTARG :
 972       value = fields->f_jtarg;
 973       break;
 974     case IQ2000_OPERAND_JMPTARGQ10 :
 975       value = fields->f_jtargq10;
 976       break;
 977     case IQ2000_OPERAND_LO16 :
 978       value = fields->f_imm;
 979       break;
 980     case IQ2000_OPERAND_MASK :
 981       value = fields->f_mask;
 982       break;
 983     case IQ2000_OPERAND_MASKL :
 984       value = fields->f_maskl;
 985       break;
 986     case IQ2000_OPERAND_MASKQ10 :
 987       value = fields->f_maskq10;
 988       break;
 989     case IQ2000_OPERAND_MASKR :
 990       value = fields->f_rs;
 991       break;
 992     case IQ2000_OPERAND_MLO16 :
 993       value = fields->f_imm;
 994       break;
 995     case IQ2000_OPERAND_OFFSET :
 996       value = fields->f_offset;
 997       break;
 998     case IQ2000_OPERAND_RD :
 999       value = fields->f_rd;
1000       break;
1001     case IQ2000_OPERAND_RD_RS :
1002       value = fields->f_rd_rs;
1003       break;
1004     case IQ2000_OPERAND_RD_RT :
1005       value = fields->f_rd_rt;
1006       break;
1007     case IQ2000_OPERAND_RS :
1008       value = fields->f_rs;
1009       break;
1010     case IQ2000_OPERAND_RT :
1011       value = fields->f_rt;
1012       break;
1013     case IQ2000_OPERAND_RT_RS :
1014       value = fields->f_rt_rs;
1015       break;
1016     case IQ2000_OPERAND_SHAMT :
1017       value = fields->f_shamt;
1018       break;
1019
1020     default :
1021       /* xgettext:c-format */
1022       fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
1023                        opindex);
1024       abort ();
1025   }
1026
1027   return value;
1028 }
1029
1030 bfd_vma
1031 iq2000_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1032                              int opindex,
1033                              const CGEN_FIELDS * fields)
1034 {
1035   bfd_vma value;
1036
1037   switch (opindex)
1038     {
1039     case IQ2000_OPERAND__INDEX :
1040       value = fields->f_index;
1041       break;
1042     case IQ2000_OPERAND_BASE :
1043       value = fields->f_rs;
1044       break;
1045     case IQ2000_OPERAND_BASEOFF :
1046       value = fields->f_imm;
1047       break;
1048     case IQ2000_OPERAND_BITNUM :
1049       value = fields->f_rt;
1050       break;
1051     case IQ2000_OPERAND_BYTECOUNT :
1052       value = fields->f_bytecount;
1053       break;
1054     case IQ2000_OPERAND_CAM_Y :
1055       value = fields->f_cam_y;
1056       break;
1057     case IQ2000_OPERAND_CAM_Z :
1058       value = fields->f_cam_z;
1059       break;
1060     case IQ2000_OPERAND_CM_3FUNC :
1061       value = fields->f_cm_3func;
1062       break;
1063     case IQ2000_OPERAND_CM_3Z :
1064       value = fields->f_cm_3z;
1065       break;
1066     case IQ2000_OPERAND_CM_4FUNC :
1067       value = fields->f_cm_4func;
1068       break;
1069     case IQ2000_OPERAND_CM_4Z :
1070       value = fields->f_cm_4z;
1071       break;
1072     case IQ2000_OPERAND_COUNT :
1073       value = fields->f_count;
1074       break;
1075     case IQ2000_OPERAND_EXECODE :
1076       value = fields->f_excode;
1077       break;
1078     case IQ2000_OPERAND_HI16 :
1079       value = fields->f_imm;
1080       break;
1081     case IQ2000_OPERAND_IMM :
1082       value = fields->f_imm;
1083       break;
1084     case IQ2000_OPERAND_JMPTARG :
1085       value = fields->f_jtarg;
1086       break;
1087     case IQ2000_OPERAND_JMPTARGQ10 :
1088       value = fields->f_jtargq10;
1089       break;
1090     case IQ2000_OPERAND_LO16 :
1091       value = fields->f_imm;
1092       break;
1093     case IQ2000_OPERAND_MASK :
1094       value = fields->f_mask;
1095       break;
1096     case IQ2000_OPERAND_MASKL :
1097       value = fields->f_maskl;
1098       break;
1099     case IQ2000_OPERAND_MASKQ10 :
1100       value = fields->f_maskq10;
1101       break;
1102     case IQ2000_OPERAND_MASKR :
1103       value = fields->f_rs;
1104       break;
1105     case IQ2000_OPERAND_MLO16 :
1106       value = fields->f_imm;
1107       break;
1108     case IQ2000_OPERAND_OFFSET :
1109       value = fields->f_offset;
1110       break;
1111     case IQ2000_OPERAND_RD :
1112       value = fields->f_rd;
1113       break;
1114     case IQ2000_OPERAND_RD_RS :
1115       value = fields->f_rd_rs;
1116       break;
1117     case IQ2000_OPERAND_RD_RT :
1118       value = fields->f_rd_rt;
1119       break;
1120     case IQ2000_OPERAND_RS :
1121       value = fields->f_rs;
1122       break;
1123     case IQ2000_OPERAND_RT :
1124       value = fields->f_rt;
1125       break;
1126     case IQ2000_OPERAND_RT_RS :
1127       value = fields->f_rt_rs;
1128       break;
1129     case IQ2000_OPERAND_SHAMT :
1130       value = fields->f_shamt;
1131       break;
1132
1133     default :
1134       /* xgettext:c-format */
1135       fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
1136                        opindex);
1137       abort ();
1138   }
1139
1140   return value;
1141 }
1142
1143 void iq2000_cgen_set_int_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
1144 void iq2000_cgen_set_vma_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
1145
1146 /* Stuffing values in cgen_fields is handled by a collection of functions.
1147    They are distinguished by the type of the VALUE argument they accept.
1148    TODO: floating point, inlining support, remove cases where argument type
1149    not appropriate.  */
1150
1151 void
1152 iq2000_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1153                              int opindex,
1154                              CGEN_FIELDS * fields,
1155                              int value)
1156 {
1157   switch (opindex)
1158     {
1159     case IQ2000_OPERAND__INDEX :
1160       fields->f_index = value;
1161       break;
1162     case IQ2000_OPERAND_BASE :
1163       fields->f_rs = value;
1164       break;
1165     case IQ2000_OPERAND_BASEOFF :
1166       fields->f_imm = value;
1167       break;
1168     case IQ2000_OPERAND_BITNUM :
1169       fields->f_rt = value;
1170       break;
1171     case IQ2000_OPERAND_BYTECOUNT :
1172       fields->f_bytecount = value;
1173       break;
1174     case IQ2000_OPERAND_CAM_Y :
1175       fields->f_cam_y = value;
1176       break;
1177     case IQ2000_OPERAND_CAM_Z :
1178       fields->f_cam_z = value;
1179       break;
1180     case IQ2000_OPERAND_CM_3FUNC :
1181       fields->f_cm_3func = value;
1182       break;
1183     case IQ2000_OPERAND_CM_3Z :
1184       fields->f_cm_3z = value;
1185       break;
1186     case IQ2000_OPERAND_CM_4FUNC :
1187       fields->f_cm_4func = value;
1188       break;
1189     case IQ2000_OPERAND_CM_4Z :
1190       fields->f_cm_4z = value;
1191       break;
1192     case IQ2000_OPERAND_COUNT :
1193       fields->f_count = value;
1194       break;
1195     case IQ2000_OPERAND_EXECODE :
1196       fields->f_excode = value;
1197       break;
1198     case IQ2000_OPERAND_HI16 :
1199       fields->f_imm = value;
1200       break;
1201     case IQ2000_OPERAND_IMM :
1202       fields->f_imm = value;
1203       break;
1204     case IQ2000_OPERAND_JMPTARG :
1205       fields->f_jtarg = value;
1206       break;
1207     case IQ2000_OPERAND_JMPTARGQ10 :
1208       fields->f_jtargq10 = value;
1209       break;
1210     case IQ2000_OPERAND_LO16 :
1211       fields->f_imm = value;
1212       break;
1213     case IQ2000_OPERAND_MASK :
1214       fields->f_mask = value;
1215       break;
1216     case IQ2000_OPERAND_MASKL :
1217       fields->f_maskl = value;
1218       break;
1219     case IQ2000_OPERAND_MASKQ10 :
1220       fields->f_maskq10 = value;
1221       break;
1222     case IQ2000_OPERAND_MASKR :
1223       fields->f_rs = value;
1224       break;
1225     case IQ2000_OPERAND_MLO16 :
1226       fields->f_imm = value;
1227       break;
1228     case IQ2000_OPERAND_OFFSET :
1229       fields->f_offset = value;
1230       break;
1231     case IQ2000_OPERAND_RD :
1232       fields->f_rd = value;
1233       break;
1234     case IQ2000_OPERAND_RD_RS :
1235       fields->f_rd_rs = value;
1236       break;
1237     case IQ2000_OPERAND_RD_RT :
1238       fields->f_rd_rt = value;
1239       break;
1240     case IQ2000_OPERAND_RS :
1241       fields->f_rs = value;
1242       break;
1243     case IQ2000_OPERAND_RT :
1244       fields->f_rt = value;
1245       break;
1246     case IQ2000_OPERAND_RT_RS :
1247       fields->f_rt_rs = value;
1248       break;
1249     case IQ2000_OPERAND_SHAMT :
1250       fields->f_shamt = value;
1251       break;
1252
1253     default :
1254       /* xgettext:c-format */
1255       fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
1256                        opindex);
1257       abort ();
1258   }
1259 }
1260
1261 void
1262 iq2000_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1263                              int opindex,
1264                              CGEN_FIELDS * fields,
1265                              bfd_vma value)
1266 {
1267   switch (opindex)
1268     {
1269     case IQ2000_OPERAND__INDEX :
1270       fields->f_index = value;
1271       break;
1272     case IQ2000_OPERAND_BASE :
1273       fields->f_rs = value;
1274       break;
1275     case IQ2000_OPERAND_BASEOFF :
1276       fields->f_imm = value;
1277       break;
1278     case IQ2000_OPERAND_BITNUM :
1279       fields->f_rt = value;
1280       break;
1281     case IQ2000_OPERAND_BYTECOUNT :
1282       fields->f_bytecount = value;
1283       break;
1284     case IQ2000_OPERAND_CAM_Y :
1285       fields->f_cam_y = value;
1286       break;
1287     case IQ2000_OPERAND_CAM_Z :
1288       fields->f_cam_z = value;
1289       break;
1290     case IQ2000_OPERAND_CM_3FUNC :
1291       fields->f_cm_3func = value;
1292       break;
1293     case IQ2000_OPERAND_CM_3Z :
1294       fields->f_cm_3z = value;
1295       break;
1296     case IQ2000_OPERAND_CM_4FUNC :
1297       fields->f_cm_4func = value;
1298       break;
1299     case IQ2000_OPERAND_CM_4Z :
1300       fields->f_cm_4z = value;
1301       break;
1302     case IQ2000_OPERAND_COUNT :
1303       fields->f_count = value;
1304       break;
1305     case IQ2000_OPERAND_EXECODE :
1306       fields->f_excode = value;
1307       break;
1308     case IQ2000_OPERAND_HI16 :
1309       fields->f_imm = value;
1310       break;
1311     case IQ2000_OPERAND_IMM :
1312       fields->f_imm = value;
1313       break;
1314     case IQ2000_OPERAND_JMPTARG :
1315       fields->f_jtarg = value;
1316       break;
1317     case IQ2000_OPERAND_JMPTARGQ10 :
1318       fields->f_jtargq10 = value;
1319       break;
1320     case IQ2000_OPERAND_LO16 :
1321       fields->f_imm = value;
1322       break;
1323     case IQ2000_OPERAND_MASK :
1324       fields->f_mask = value;
1325       break;
1326     case IQ2000_OPERAND_MASKL :
1327       fields->f_maskl = value;
1328       break;
1329     case IQ2000_OPERAND_MASKQ10 :
1330       fields->f_maskq10 = value;
1331       break;
1332     case IQ2000_OPERAND_MASKR :
1333       fields->f_rs = value;
1334       break;
1335     case IQ2000_OPERAND_MLO16 :
1336       fields->f_imm = value;
1337       break;
1338     case IQ2000_OPERAND_OFFSET :
1339       fields->f_offset = value;
1340       break;
1341     case IQ2000_OPERAND_RD :
1342       fields->f_rd = value;
1343       break;
1344     case IQ2000_OPERAND_RD_RS :
1345       fields->f_rd_rs = value;
1346       break;
1347     case IQ2000_OPERAND_RD_RT :
1348       fields->f_rd_rt = value;
1349       break;
1350     case IQ2000_OPERAND_RS :
1351       fields->f_rs = value;
1352       break;
1353     case IQ2000_OPERAND_RT :
1354       fields->f_rt = value;
1355       break;
1356     case IQ2000_OPERAND_RT_RS :
1357       fields->f_rt_rs = value;
1358       break;
1359     case IQ2000_OPERAND_SHAMT :
1360       fields->f_shamt = value;
1361       break;
1362
1363     default :
1364       /* xgettext:c-format */
1365       fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
1366                        opindex);
1367       abort ();
1368   }
1369 }
1370
1371 /* Function to call before using the instruction builder tables.  */
1372
1373 void
1374 iq2000_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1375 {
1376   cd->insert_handlers = & iq2000_cgen_insert_handlers[0];
1377   cd->extract_handlers = & iq2000_cgen_extract_handlers[0];
1378
1379   cd->insert_operand = iq2000_cgen_insert_operand;
1380   cd->extract_operand = iq2000_cgen_extract_operand;
1381
1382   cd->get_int_operand = iq2000_cgen_get_int_operand;
1383   cd->set_int_operand = iq2000_cgen_set_int_operand;
1384   cd->get_vma_operand = iq2000_cgen_get_vma_operand;
1385   cd->set_vma_operand = iq2000_cgen_set_vma_operand;
1386 }