opcodes/iq2000-ibld.c

   1 /* Instruction building/extraction support for iq2000. -*- C -*-
   2
   3    THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
   4    - the resultant file is machine generated, cgen-ibld.in isn't
   5
   6    Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2006
   7    Free Software Foundation, Inc.
   8
   9    This file is part of the GNU Binutils and GDB, the GNU debugger.
  10
  11    This program 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 2, or (at your option)
  14    any later version.
  15
  16    This program is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public 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 "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 > 32)
 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;
 211
 212     if (CGEN_INSN_LSB0_P)
 213       shift = (word_offset + start + 1) - length;
 214     else
 215       shift = total_length - (word_offset + start + length);
 216     *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
 217   }
 218
 219 #else /* ! CGEN_INT_INSN_P */
 220
 221   {
 222     unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
 223
 224     insert_1 (cd, value, start, length, word_length, bufp);
 225   }
 226
 227 #endif /* ! CGEN_INT_INSN_P */
 228
 229   return NULL;
 230 }
 231
 232 /* Default insn builder (insert handler).
 233    The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
 234    that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
 235    recorded in host byte order, otherwise BUFFER is an array of bytes
 236    and the value is recorded in target byte order).
 237    The result is an error message or NULL if success.  */
 238
 239 static const char *
 240 insert_insn_normal (CGEN_CPU_DESC cd,
 241                     const CGEN_INSN * insn,
 242                     CGEN_FIELDS * fields,
 243                     CGEN_INSN_BYTES_PTR buffer,
 244                     bfd_vma pc)
 245 {
 246   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 247   unsigned long value;
 248   const CGEN_SYNTAX_CHAR_TYPE * syn;
 249
 250   CGEN_INIT_INSERT (cd);
 251   value = CGEN_INSN_BASE_VALUE (insn);
 252
 253   /* If we're recording insns as numbers (rather than a string of bytes),
 254      target byte order handling is deferred until later.  */
 255
 256 #if CGEN_INT_INSN_P
 257
 258   put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
 259                       CGEN_FIELDS_BITSIZE (fields), value);
 260
 261 #else
 262
 263   cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
 264                                         (unsigned) CGEN_FIELDS_BITSIZE (fields)),
 265                        value);
 266
 267 #endif /* ! CGEN_INT_INSN_P */
 268
 269   /* ??? It would be better to scan the format's fields.
 270      Still need to be able to insert a value based on the operand though;
 271      e.g. storing a branch displacement that got resolved later.
 272      Needs more thought first.  */
 273
 274   for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
 275     {
 276       const char *errmsg;
 277
 278       if (CGEN_SYNTAX_CHAR_P (* syn))
 279         continue;
 280
 281       errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 282                                        fields, buffer, pc);
 283       if (errmsg)
 284         return errmsg;
 285     }
 286
 287   return NULL;
 288 }
 289
 290 #if CGEN_INT_INSN_P
 291 /* Cover function to store an insn value into an integral insn.  Must go here
 292    because it needs <prefix>-desc.h for CGEN_INT_INSN_P.  */
 293
 294 static void
 295 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 296                     CGEN_INSN_BYTES_PTR buf,
 297                     int length,
 298                     int insn_length,
 299                     CGEN_INSN_INT value)
 300 {
 301   /* For architectures with insns smaller than the base-insn-bitsize,
 302      length may be too big.  */
 303   if (length > insn_length)
 304     *buf = value;
 305   else
 306     {
 307       int shift = insn_length - length;
 308       /* Written this way to avoid undefined behaviour.  */
 309       CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
 310
 311       *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
 312     }
 313 }
 314 #endif
 315 \f
 316 /* Operand extraction.  */
 317
 318 #if ! CGEN_INT_INSN_P
 319
 320 /* Subroutine of extract_normal.
 321    Ensure sufficient bytes are cached in EX_INFO.
 322    OFFSET is the offset in bytes from the start of the insn of the value.
 323    BYTES is the length of the needed value.
 324    Returns 1 for success, 0 for failure.  */
 325
 326 static CGEN_INLINE int
 327 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 328             CGEN_EXTRACT_INFO *ex_info,
 329             int offset,
 330             int bytes,
 331             bfd_vma pc)
 332 {
 333   /* It's doubtful that the middle part has already been fetched so
 334      we don't optimize that case.  kiss.  */
 335   unsigned int mask;
 336   disassemble_info *info = (disassemble_info *) ex_info->dis_info;
 337
 338   /* First do a quick check.  */
 339   mask = (1 << bytes) - 1;
 340   if (((ex_info->valid >> offset) & mask) == mask)
 341     return 1;
 342
 343   /* Search for the first byte we need to read.  */
 344   for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
 345     if (! (mask & ex_info->valid))
 346       break;
 347
 348   if (bytes)
 349     {
 350       int status;
 351
 352       pc += offset;
 353       status = (*info->read_memory_func)
 354         (pc, ex_info->insn_bytes + offset, bytes, info);
 355
 356       if (status != 0)
 357         {
 358           (*info->memory_error_func) (status, pc, info);
 359           return 0;
 360         }
 361
 362       ex_info->valid |= ((1 << bytes) - 1) << offset;
 363     }
 364
 365   return 1;
 366 }
 367
 368 /* Subroutine of extract_normal.  */
 369
 370 static CGEN_INLINE long
 371 extract_1 (CGEN_CPU_DESC cd,
 372            CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 373            int start,
 374            int length,
 375            int word_length,
 376            unsigned char *bufp,
 377            bfd_vma pc ATTRIBUTE_UNUSED)
 378 {
 379   unsigned long x;
 380   int shift;
 381
 382   x = cgen_get_insn_value (cd, bufp, word_length);
 383
 384   if (CGEN_INSN_LSB0_P)
 385     shift = (start + 1) - length;
 386   else
 387     shift = (word_length - (start + length));
 388   return x >> shift;
 389 }
 390
 391 #endif /* ! CGEN_INT_INSN_P */
 392
 393 /* Default extraction routine.
 394
 395    INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
 396    or sometimes less for cases like the m32r where the base insn size is 32
 397    but some insns are 16 bits.
 398    ATTRS is a mask of the boolean attributes.  We only need `SIGNED',
 399    but for generality we take a bitmask of all of them.
 400    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 401    WORD_LENGTH is the length of the word in bits in which the value resides.
 402    START is the starting bit number in the word, architecture origin.
 403    LENGTH is the length of VALUE in bits.
 404    TOTAL_LENGTH is the total length of the insn in bits.
 405
 406    Returns 1 for success, 0 for failure.  */
 407
 408 /* ??? The return code isn't properly used.  wip.  */
 409
 410 /* ??? This doesn't handle bfd_vma's.  Create another function when
 411    necessary.  */
 412
 413 static int
 414 extract_normal (CGEN_CPU_DESC cd,
 415 #if ! CGEN_INT_INSN_P
 416                 CGEN_EXTRACT_INFO *ex_info,
 417 #else
 418                 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 419 #endif
 420                 CGEN_INSN_INT insn_value,
 421                 unsigned int attrs,
 422                 unsigned int word_offset,
 423                 unsigned int start,
 424                 unsigned int length,
 425                 unsigned int word_length,
 426                 unsigned int total_length,
 427 #if ! CGEN_INT_INSN_P
 428                 bfd_vma pc,
 429 #else
 430                 bfd_vma pc ATTRIBUTE_UNUSED,
 431 #endif
 432                 long *valuep)
 433 {
 434   long value, mask;
 435
 436   /* If LENGTH is zero, this operand doesn't contribute to the value
 437      so give it a standard value of zero.  */
 438   if (length == 0)
 439     {
 440       *valuep = 0;
 441       return 1;
 442     }
 443
 444   if (word_length > 32)
 445     abort ();
 446
 447   /* For architectures with insns smaller than the insn-base-bitsize,
 448      word_length may be too big.  */
 449   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 450     {
 451       if (word_offset + word_length > total_length)
 452         word_length = total_length - word_offset;
 453     }
 454
 455   /* Does the value reside in INSN_VALUE, and at the right alignment?  */
 456
 457   if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
 458     {
 459       if (CGEN_INSN_LSB0_P)
 460         value = insn_value >> ((word_offset + start + 1) - length);
 461       else
 462         value = insn_value >> (total_length - ( word_offset + start + length));
 463     }
 464
 465 #if ! CGEN_INT_INSN_P
 466
 467   else
 468     {
 469       unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
 470
 471       if (word_length > 32)
 472         abort ();
 473
 474       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
 475         return 0;
 476
 477       value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
 478     }
 479
 480 #endif /* ! CGEN_INT_INSN_P */
 481
 482   /* Written this way to avoid undefined behaviour.  */
 483   mask = (((1L << (length - 1)) - 1) << 1) | 1;
 484
 485   value &= mask;
 486   /* sign extend? */
 487   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
 488       && (value & (1L << (length - 1))))
 489     value |= ~mask;
 490
 491   *valuep = value;
 492
 493   return 1;
 494 }
 495
 496 /* Default insn extractor.
 497
 498    INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
 499    The extracted fields are stored in FIELDS.
 500    EX_INFO is used to handle reading variable length insns.
 501    Return the length of the insn in bits, or 0 if no match,
 502    or -1 if an error occurs fetching data (memory_error_func will have
 503    been called).  */
 504
 505 static int
 506 extract_insn_normal (CGEN_CPU_DESC cd,
 507                      const CGEN_INSN *insn,
 508                      CGEN_EXTRACT_INFO *ex_info,
 509                      CGEN_INSN_INT insn_value,
 510                      CGEN_FIELDS *fields,
 511                      bfd_vma pc)
 512 {
 513   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 514   const CGEN_SYNTAX_CHAR_TYPE *syn;
 515
 516   CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
 517
 518   CGEN_INIT_EXTRACT (cd);
 519
 520   for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
 521     {
 522       int length;
 523
 524       if (CGEN_SYNTAX_CHAR_P (*syn))
 525         continue;
 526
 527       length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 528                                         ex_info, insn_value, fields, pc);
 529       if (length <= 0)
 530         return length;
 531     }
 532
 533   /* We recognized and successfully extracted this insn.  */
 534   return CGEN_INSN_BITSIZE (insn);
 535 }
 536 \f
 537 /* Machine generated code added here.  */
 538
 539 const char * iq2000_cgen_insert_operand
 540   (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
 541
 542 /* Main entry point for operand insertion.
 543
 544    This function is basically just a big switch statement.  Earlier versions
 545    used tables to look up the function to use, but
 546    - if the table contains both assembler and disassembler functions then
 547      the disassembler contains much of the assembler and vice-versa,
 548    - there's a lot of inlining possibilities as things grow,
 549    - using a switch statement avoids the function call overhead.
 550
 551    This function could be moved into `parse_insn_normal', but keeping it
 552    separate makes clear the interface between `parse_insn_normal' and each of
 553    the handlers.  It's also needed by GAS to insert operands that couldn't be
 554    resolved during parsing.  */
 555
 556 const char *
 557 iq2000_cgen_insert_operand (CGEN_CPU_DESC cd,
 558                              int opindex,
 559                              CGEN_FIELDS * fields,
 560                              CGEN_INSN_BYTES_PTR buffer,
 561                              bfd_vma pc ATTRIBUTE_UNUSED)
 562 {
 563   const char * errmsg = NULL;
 564   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 565
 566   switch (opindex)
 567     {
 568     case IQ2000_OPERAND__INDEX :
 569       errmsg = insert_normal (cd, fields->f_index, 0, 0, 8, 9, 32, total_length, buffer);
 570       break;
 571     case IQ2000_OPERAND_BASE :
 572       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 573       break;
 574     case IQ2000_OPERAND_BASEOFF :
 575       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 576       break;
 577     case IQ2000_OPERAND_BITNUM :
 578       errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 579       break;
 580     case IQ2000_OPERAND_BYTECOUNT :
 581       errmsg = insert_normal (cd, fields->f_bytecount, 0, 0, 7, 8, 32, total_length, buffer);
 582       break;
 583     case IQ2000_OPERAND_CAM_Y :
 584       errmsg = insert_normal (cd, fields->f_cam_y, 0, 0, 2, 3, 32, total_length, buffer);
 585       break;
 586     case IQ2000_OPERAND_CAM_Z :
 587       errmsg = insert_normal (cd, fields->f_cam_z, 0, 0, 5, 3, 32, total_length, buffer);
 588       break;
 589     case IQ2000_OPERAND_CM_3FUNC :
 590       errmsg = insert_normal (cd, fields->f_cm_3func, 0, 0, 5, 3, 32, total_length, buffer);
 591       break;
 592     case IQ2000_OPERAND_CM_3Z :
 593       errmsg = insert_normal (cd, fields->f_cm_3z, 0, 0, 1, 2, 32, total_length, buffer);
 594       break;
 595     case IQ2000_OPERAND_CM_4FUNC :
 596       errmsg = insert_normal (cd, fields->f_cm_4func, 0, 0, 5, 4, 32, total_length, buffer);
 597       break;
 598     case IQ2000_OPERAND_CM_4Z :
 599       errmsg = insert_normal (cd, fields->f_cm_4z, 0, 0, 2, 3, 32, total_length, buffer);
 600       break;
 601     case IQ2000_OPERAND_COUNT :
 602       errmsg = insert_normal (cd, fields->f_count, 0, 0, 15, 7, 32, total_length, buffer);
 603       break;
 604     case IQ2000_OPERAND_EXECODE :
 605       errmsg = insert_normal (cd, fields->f_excode, 0, 0, 25, 20, 32, total_length, buffer);
 606       break;
 607     case IQ2000_OPERAND_HI16 :
 608       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 609       break;
 610     case IQ2000_OPERAND_IMM :
 611       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 612       break;
 613     case IQ2000_OPERAND_JMPTARG :
 614       {
 615         long value = fields->f_jtarg;
 616         value = ((unsigned int) (((value) & (262143))) >> (2));
 617         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, buffer);
 618       }
 619       break;
 620     case IQ2000_OPERAND_JMPTARGQ10 :
 621       {
 622         long value = fields->f_jtargq10;
 623         value = ((unsigned int) (((value) & (8388607))) >> (2));
 624         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, buffer);
 625       }
 626       break;
 627     case IQ2000_OPERAND_LO16 :
 628       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 629       break;
 630     case IQ2000_OPERAND_MASK :
 631       errmsg = insert_normal (cd, fields->f_mask, 0, 0, 9, 4, 32, total_length, buffer);
 632       break;
 633     case IQ2000_OPERAND_MASKL :
 634       errmsg = insert_normal (cd, fields->f_maskl, 0, 0, 4, 5, 32, total_length, buffer);
 635       break;
 636     case IQ2000_OPERAND_MASKQ10 :
 637       errmsg = insert_normal (cd, fields->f_maskq10, 0, 0, 10, 5, 32, total_length, buffer);
 638       break;
 639     case IQ2000_OPERAND_MASKR :
 640       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 641       break;
 642     case IQ2000_OPERAND_MLO16 :
 643       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
 644       break;
 645     case IQ2000_OPERAND_OFFSET :
 646       {
 647         long value = fields->f_offset;
 648         value = ((int) (((value) - (pc))) >> (2));
 649         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, buffer);
 650       }
 651       break;
 652     case IQ2000_OPERAND_RD :
 653       errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
 654       break;
 655     case IQ2000_OPERAND_RD_RS :
 656       {
 657 {
 658   FLD (f_rd) = FLD (f_rd_rs);
 659   FLD (f_rs) = FLD (f_rd_rs);
 660 }
 661         errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
 662         if (errmsg)
 663           break;
 664         errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 665         if (errmsg)
 666           break;
 667       }
 668       break;
 669     case IQ2000_OPERAND_RD_RT :
 670       {
 671 {
 672   FLD (f_rd) = FLD (f_rd_rt);
 673   FLD (f_rt) = FLD (f_rd_rt);
 674 }
 675         errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
 676         if (errmsg)
 677           break;
 678         errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 679         if (errmsg)
 680           break;
 681       }
 682       break;
 683     case IQ2000_OPERAND_RS :
 684       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 685       break;
 686     case IQ2000_OPERAND_RT :
 687       errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 688       break;
 689     case IQ2000_OPERAND_RT_RS :
 690       {
 691 {
 692   FLD (f_rt) = FLD (f_rt_rs);
 693   FLD (f_rs) = FLD (f_rt_rs);
 694 }
 695         errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
 696         if (errmsg)
 697           break;
 698         errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
 699         if (errmsg)
 700           break;
 701       }
 702       break;
 703     case IQ2000_OPERAND_SHAMT :
 704       errmsg = insert_normal (cd, fields->f_shamt, 0, 0, 10, 5, 32, total_length, buffer);
 705       break;
 706
 707     default :
 708       /* xgettext:c-format */
 709       fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
 710                opindex);
 711       abort ();
 712   }
 713
 714   return errmsg;
 715 }
 716
 717 int iq2000_cgen_extract_operand
 718   (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
 719
 720 /* Main entry point for operand extraction.
 721    The result is <= 0 for error, >0 for success.
 722    ??? Actual values aren't well defined right now.
 723
 724    This function is basically just a big switch statement.  Earlier versions
 725    used tables to look up the function to use, but
 726    - if the table contains both assembler and disassembler functions then
 727      the disassembler contains much of the assembler and vice-versa,
 728    - there's a lot of inlining possibilities as things grow,
 729    - using a switch statement avoids the function call overhead.
 730
 731    This function could be moved into `print_insn_normal', but keeping it
 732    separate makes clear the interface between `print_insn_normal' and each of
 733    the handlers.  */
 734
 735 int
 736 iq2000_cgen_extract_operand (CGEN_CPU_DESC cd,
 737                              int opindex,
 738                              CGEN_EXTRACT_INFO *ex_info,
 739                              CGEN_INSN_INT insn_value,
 740                              CGEN_FIELDS * fields,
 741                              bfd_vma pc)
 742 {
 743   /* Assume success (for those operands that are nops).  */
 744   int length = 1;
 745   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 746
 747   switch (opindex)
 748     {
 749     case IQ2000_OPERAND__INDEX :
 750       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_index);
 751       break;
 752     case IQ2000_OPERAND_BASE :
 753       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 754       break;
 755     case IQ2000_OPERAND_BASEOFF :
 756       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 757       break;
 758     case IQ2000_OPERAND_BITNUM :
 759       length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 760       break;
 761     case IQ2000_OPERAND_BYTECOUNT :
 762       length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 8, 32, total_length, pc, & fields->f_bytecount);
 763       break;
 764     case IQ2000_OPERAND_CAM_Y :
 765       length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cam_y);
 766       break;
 767     case IQ2000_OPERAND_CAM_Z :
 768       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cam_z);
 769       break;
 770     case IQ2000_OPERAND_CM_3FUNC :
 771       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cm_3func);
 772       break;
 773     case IQ2000_OPERAND_CM_3Z :
 774       length = extract_normal (cd, ex_info, insn_value, 0, 0, 1, 2, 32, total_length, pc, & fields->f_cm_3z);
 775       break;
 776     case IQ2000_OPERAND_CM_4FUNC :
 777       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 4, 32, total_length, pc, & fields->f_cm_4func);
 778       break;
 779     case IQ2000_OPERAND_CM_4Z :
 780       length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cm_4z);
 781       break;
 782     case IQ2000_OPERAND_COUNT :
 783       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 7, 32, total_length, pc, & fields->f_count);
 784       break;
 785     case IQ2000_OPERAND_EXECODE :
 786       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 20, 32, total_length, pc, & fields->f_excode);
 787       break;
 788     case IQ2000_OPERAND_HI16 :
 789       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 790       break;
 791     case IQ2000_OPERAND_IMM :
 792       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 793       break;
 794     case IQ2000_OPERAND_JMPTARG :
 795       {
 796         long value;
 797         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, pc, & value);
 798         value = ((((pc) & (0xf0000000))) | (((value) << (2))));
 799         fields->f_jtarg = value;
 800       }
 801       break;
 802     case IQ2000_OPERAND_JMPTARGQ10 :
 803       {
 804         long value;
 805         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, pc, & value);
 806         value = ((((pc) & (0xf0000000))) | (((value) << (2))));
 807         fields->f_jtargq10 = value;
 808       }
 809       break;
 810     case IQ2000_OPERAND_LO16 :
 811       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 812       break;
 813     case IQ2000_OPERAND_MASK :
 814       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 4, 32, total_length, pc, & fields->f_mask);
 815       break;
 816     case IQ2000_OPERAND_MASKL :
 817       length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 5, 32, total_length, pc, & fields->f_maskl);
 818       break;
 819     case IQ2000_OPERAND_MASKQ10 :
 820       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_maskq10);
 821       break;
 822     case IQ2000_OPERAND_MASKR :
 823       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 824       break;
 825     case IQ2000_OPERAND_MLO16 :
 826       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
 827       break;
 828     case IQ2000_OPERAND_OFFSET :
 829       {
 830         long value;
 831         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);
 832         value = ((((value) << (2))) + (((pc) + (4))));
 833         fields->f_offset = value;
 834       }
 835       break;
 836     case IQ2000_OPERAND_RD :
 837       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
 838       break;
 839     case IQ2000_OPERAND_RD_RS :
 840       {
 841         length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
 842         if (length <= 0) break;
 843         length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 844         if (length <= 0) break;
 845 {
 846   FLD (f_rd_rs) = FLD (f_rs);
 847 }
 848       }
 849       break;
 850     case IQ2000_OPERAND_RD_RT :
 851       {
 852         length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
 853         if (length <= 0) break;
 854         length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 855         if (length <= 0) break;
 856 {
 857   FLD (f_rd_rt) = FLD (f_rt);
 858 }
 859       }
 860       break;
 861     case IQ2000_OPERAND_RS :
 862       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 863       break;
 864     case IQ2000_OPERAND_RT :
 865       length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 866       break;
 867     case IQ2000_OPERAND_RT_RS :
 868       {
 869         length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
 870         if (length <= 0) break;
 871         length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
 872         if (length <= 0) break;
 873 {
 874   FLD (f_rd_rs) = FLD (f_rs);
 875 }
 876       }
 877       break;
 878     case IQ2000_OPERAND_SHAMT :
 879       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_shamt);
 880       break;
 881
 882     default :
 883       /* xgettext:c-format */
 884       fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
 885                opindex);
 886       abort ();
 887     }
 888
 889   return length;
 890 }
 891
 892 cgen_insert_fn * const iq2000_cgen_insert_handlers[] =
 893 {
 894   insert_insn_normal,
 895 };
 896
 897 cgen_extract_fn * const iq2000_cgen_extract_handlers[] =
 898 {
 899   extract_insn_normal,
 900 };
 901
 902 int iq2000_cgen_get_int_operand     (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 903 bfd_vma iq2000_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 904
 905 /* Getting values from cgen_fields is handled by a collection of functions.
 906    They are distinguished by the type of the VALUE argument they return.
 907    TODO: floating point, inlining support, remove cases where result type
 908    not appropriate.  */
 909
 910 int
 911 iq2000_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 912                              int opindex,
 913                              const CGEN_FIELDS * fields)
 914 {
 915   int value;
 916
 917   switch (opindex)
 918     {
 919     case IQ2000_OPERAND__INDEX :
 920       value = fields->f_index;
 921       break;
 922     case IQ2000_OPERAND_BASE :
 923       value = fields->f_rs;
 924       break;
 925     case IQ2000_OPERAND_BASEOFF :
 926       value = fields->f_imm;
 927       break;
 928     case IQ2000_OPERAND_BITNUM :
 929       value = fields->f_rt;
 930       break;
 931     case IQ2000_OPERAND_BYTECOUNT :
 932       value = fields->f_bytecount;
 933       break;
 934     case IQ2000_OPERAND_CAM_Y :
 935       value = fields->f_cam_y;
 936       break;
 937     case IQ2000_OPERAND_CAM_Z :
 938       value = fields->f_cam_z;
 939       break;
 940     case IQ2000_OPERAND_CM_3FUNC :
 941       value = fields->f_cm_3func;
 942       break;
 943     case IQ2000_OPERAND_CM_3Z :
 944       value = fields->f_cm_3z;
 945       break;
 946     case IQ2000_OPERAND_CM_4FUNC :
 947       value = fields->f_cm_4func;
 948       break;
 949     case IQ2000_OPERAND_CM_4Z :
 950       value = fields->f_cm_4z;
 951       break;
 952     case IQ2000_OPERAND_COUNT :
 953       value = fields->f_count;
 954       break;
 955     case IQ2000_OPERAND_EXECODE :
 956       value = fields->f_excode;
 957       break;
 958     case IQ2000_OPERAND_HI16 :
 959       value = fields->f_imm;
 960       break;
 961     case IQ2000_OPERAND_IMM :
 962       value = fields->f_imm;
 963       break;
 964     case IQ2000_OPERAND_JMPTARG :
 965       value = fields->f_jtarg;
 966       break;
 967     case IQ2000_OPERAND_JMPTARGQ10 :
 968       value = fields->f_jtargq10;
 969       break;
 970     case IQ2000_OPERAND_LO16 :
 971       value = fields->f_imm;
 972       break;
 973     case IQ2000_OPERAND_MASK :
 974       value = fields->f_mask;
 975       break;
 976     case IQ2000_OPERAND_MASKL :
 977       value = fields->f_maskl;
 978       break;
 979     case IQ2000_OPERAND_MASKQ10 :
 980       value = fields->f_maskq10;
 981       break;
 982     case IQ2000_OPERAND_MASKR :
 983       value = fields->f_rs;
 984       break;
 985     case IQ2000_OPERAND_MLO16 :
 986       value = fields->f_imm;
 987       break;
 988     case IQ2000_OPERAND_OFFSET :
 989       value = fields->f_offset;
 990       break;
 991     case IQ2000_OPERAND_RD :
 992       value = fields->f_rd;
 993       break;
 994     case IQ2000_OPERAND_RD_RS :
 995       value = fields->f_rd_rs;
 996       break;
 997     case IQ2000_OPERAND_RD_RT :
 998       value = fields->f_rd_rt;
 999       break;
1000     case IQ2000_OPERAND_RS :
1001       value = fields->f_rs;
1002       break;
1003     case IQ2000_OPERAND_RT :
1004       value = fields->f_rt;
1005       break;
1006     case IQ2000_OPERAND_RT_RS :
1007       value = fields->f_rt_rs;
1008       break;
1009     case IQ2000_OPERAND_SHAMT :
1010       value = fields->f_shamt;
1011       break;
1012
1013     default :
1014       /* xgettext:c-format */
1015       fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
1016                        opindex);
1017       abort ();
1018   }
1019
1020   return value;
1021 }
1022
1023 bfd_vma
1024 iq2000_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1025                              int opindex,
1026                              const CGEN_FIELDS * fields)
1027 {
1028   bfd_vma value;
1029
1030   switch (opindex)
1031     {
1032     case IQ2000_OPERAND__INDEX :
1033       value = fields->f_index;
1034       break;
1035     case IQ2000_OPERAND_BASE :
1036       value = fields->f_rs;
1037       break;
1038     case IQ2000_OPERAND_BASEOFF :
1039       value = fields->f_imm;
1040       break;
1041     case IQ2000_OPERAND_BITNUM :
1042       value = fields->f_rt;
1043       break;
1044     case IQ2000_OPERAND_BYTECOUNT :
1045       value = fields->f_bytecount;
1046       break;
1047     case IQ2000_OPERAND_CAM_Y :
1048       value = fields->f_cam_y;
1049       break;
1050     case IQ2000_OPERAND_CAM_Z :
1051       value = fields->f_cam_z;
1052       break;
1053     case IQ2000_OPERAND_CM_3FUNC :
1054       value = fields->f_cm_3func;
1055       break;
1056     case IQ2000_OPERAND_CM_3Z :
1057       value = fields->f_cm_3z;
1058       break;
1059     case IQ2000_OPERAND_CM_4FUNC :
1060       value = fields->f_cm_4func;
1061       break;
1062     case IQ2000_OPERAND_CM_4Z :
1063       value = fields->f_cm_4z;
1064       break;
1065     case IQ2000_OPERAND_COUNT :
1066       value = fields->f_count;
1067       break;
1068     case IQ2000_OPERAND_EXECODE :
1069       value = fields->f_excode;
1070       break;
1071     case IQ2000_OPERAND_HI16 :
1072       value = fields->f_imm;
1073       break;
1074     case IQ2000_OPERAND_IMM :
1075       value = fields->f_imm;
1076       break;
1077     case IQ2000_OPERAND_JMPTARG :
1078       value = fields->f_jtarg;
1079       break;
1080     case IQ2000_OPERAND_JMPTARGQ10 :
1081       value = fields->f_jtargq10;
1082       break;
1083     case IQ2000_OPERAND_LO16 :
1084       value = fields->f_imm;
1085       break;
1086     case IQ2000_OPERAND_MASK :
1087       value = fields->f_mask;
1088       break;
1089     case IQ2000_OPERAND_MASKL :
1090       value = fields->f_maskl;
1091       break;
1092     case IQ2000_OPERAND_MASKQ10 :
1093       value = fields->f_maskq10;
1094       break;
1095     case IQ2000_OPERAND_MASKR :
1096       value = fields->f_rs;
1097       break;
1098     case IQ2000_OPERAND_MLO16 :
1099       value = fields->f_imm;
1100       break;
1101     case IQ2000_OPERAND_OFFSET :
1102       value = fields->f_offset;
1103       break;
1104     case IQ2000_OPERAND_RD :
1105       value = fields->f_rd;
1106       break;
1107     case IQ2000_OPERAND_RD_RS :
1108       value = fields->f_rd_rs;
1109       break;
1110     case IQ2000_OPERAND_RD_RT :
1111       value = fields->f_rd_rt;
1112       break;
1113     case IQ2000_OPERAND_RS :
1114       value = fields->f_rs;
1115       break;
1116     case IQ2000_OPERAND_RT :
1117       value = fields->f_rt;
1118       break;
1119     case IQ2000_OPERAND_RT_RS :
1120       value = fields->f_rt_rs;
1121       break;
1122     case IQ2000_OPERAND_SHAMT :
1123       value = fields->f_shamt;
1124       break;
1125
1126     default :
1127       /* xgettext:c-format */
1128       fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
1129                        opindex);
1130       abort ();
1131   }
1132
1133   return value;
1134 }
1135
1136 void iq2000_cgen_set_int_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
1137 void iq2000_cgen_set_vma_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
1138
1139 /* Stuffing values in cgen_fields is handled by a collection of functions.
1140    They are distinguished by the type of the VALUE argument they accept.
1141    TODO: floating point, inlining support, remove cases where argument type
1142    not appropriate.  */
1143
1144 void
1145 iq2000_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1146                              int opindex,
1147                              CGEN_FIELDS * fields,
1148                              int value)
1149 {
1150   switch (opindex)
1151     {
1152     case IQ2000_OPERAND__INDEX :
1153       fields->f_index = value;
1154       break;
1155     case IQ2000_OPERAND_BASE :
1156       fields->f_rs = value;
1157       break;
1158     case IQ2000_OPERAND_BASEOFF :
1159       fields->f_imm = value;
1160       break;
1161     case IQ2000_OPERAND_BITNUM :
1162       fields->f_rt = value;
1163       break;
1164     case IQ2000_OPERAND_BYTECOUNT :
1165       fields->f_bytecount = value;
1166       break;
1167     case IQ2000_OPERAND_CAM_Y :
1168       fields->f_cam_y = value;
1169       break;
1170     case IQ2000_OPERAND_CAM_Z :
1171       fields->f_cam_z = value;
1172       break;
1173     case IQ2000_OPERAND_CM_3FUNC :
1174       fields->f_cm_3func = value;
1175       break;
1176     case IQ2000_OPERAND_CM_3Z :
1177       fields->f_cm_3z = value;
1178       break;
1179     case IQ2000_OPERAND_CM_4FUNC :
1180       fields->f_cm_4func = value;
1181       break;
1182     case IQ2000_OPERAND_CM_4Z :
1183       fields->f_cm_4z = value;
1184       break;
1185     case IQ2000_OPERAND_COUNT :
1186       fields->f_count = value;
1187       break;
1188     case IQ2000_OPERAND_EXECODE :
1189       fields->f_excode = value;
1190       break;
1191     case IQ2000_OPERAND_HI16 :
1192       fields->f_imm = value;
1193       break;
1194     case IQ2000_OPERAND_IMM :
1195       fields->f_imm = value;
1196       break;
1197     case IQ2000_OPERAND_JMPTARG :
1198       fields->f_jtarg = value;
1199       break;
1200     case IQ2000_OPERAND_JMPTARGQ10 :
1201       fields->f_jtargq10 = value;
1202       break;
1203     case IQ2000_OPERAND_LO16 :
1204       fields->f_imm = value;
1205       break;
1206     case IQ2000_OPERAND_MASK :
1207       fields->f_mask = value;
1208       break;
1209     case IQ2000_OPERAND_MASKL :
1210       fields->f_maskl = value;
1211       break;
1212     case IQ2000_OPERAND_MASKQ10 :
1213       fields->f_maskq10 = value;
1214       break;
1215     case IQ2000_OPERAND_MASKR :
1216       fields->f_rs = value;
1217       break;
1218     case IQ2000_OPERAND_MLO16 :
1219       fields->f_imm = value;
1220       break;
1221     case IQ2000_OPERAND_OFFSET :
1222       fields->f_offset = value;
1223       break;
1224     case IQ2000_OPERAND_RD :
1225       fields->f_rd = value;
1226       break;
1227     case IQ2000_OPERAND_RD_RS :
1228       fields->f_rd_rs = value;
1229       break;
1230     case IQ2000_OPERAND_RD_RT :
1231       fields->f_rd_rt = value;
1232       break;
1233     case IQ2000_OPERAND_RS :
1234       fields->f_rs = value;
1235       break;
1236     case IQ2000_OPERAND_RT :
1237       fields->f_rt = value;
1238       break;
1239     case IQ2000_OPERAND_RT_RS :
1240       fields->f_rt_rs = value;
1241       break;
1242     case IQ2000_OPERAND_SHAMT :
1243       fields->f_shamt = value;
1244       break;
1245
1246     default :
1247       /* xgettext:c-format */
1248       fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
1249                        opindex);
1250       abort ();
1251   }
1252 }
1253
1254 void
1255 iq2000_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1256                              int opindex,
1257                              CGEN_FIELDS * fields,
1258                              bfd_vma value)
1259 {
1260   switch (opindex)
1261     {
1262     case IQ2000_OPERAND__INDEX :
1263       fields->f_index = value;
1264       break;
1265     case IQ2000_OPERAND_BASE :
1266       fields->f_rs = value;
1267       break;
1268     case IQ2000_OPERAND_BASEOFF :
1269       fields->f_imm = value;
1270       break;
1271     case IQ2000_OPERAND_BITNUM :
1272       fields->f_rt = value;
1273       break;
1274     case IQ2000_OPERAND_BYTECOUNT :
1275       fields->f_bytecount = value;
1276       break;
1277     case IQ2000_OPERAND_CAM_Y :
1278       fields->f_cam_y = value;
1279       break;
1280     case IQ2000_OPERAND_CAM_Z :
1281       fields->f_cam_z = value;
1282       break;
1283     case IQ2000_OPERAND_CM_3FUNC :
1284       fields->f_cm_3func = value;
1285       break;
1286     case IQ2000_OPERAND_CM_3Z :
1287       fields->f_cm_3z = value;
1288       break;
1289     case IQ2000_OPERAND_CM_4FUNC :
1290       fields->f_cm_4func = value;
1291       break;
1292     case IQ2000_OPERAND_CM_4Z :
1293       fields->f_cm_4z = value;
1294       break;
1295     case IQ2000_OPERAND_COUNT :
1296       fields->f_count = value;
1297       break;
1298     case IQ2000_OPERAND_EXECODE :
1299       fields->f_excode = value;
1300       break;
1301     case IQ2000_OPERAND_HI16 :
1302       fields->f_imm = value;
1303       break;
1304     case IQ2000_OPERAND_IMM :
1305       fields->f_imm = value;
1306       break;
1307     case IQ2000_OPERAND_JMPTARG :
1308       fields->f_jtarg = value;
1309       break;
1310     case IQ2000_OPERAND_JMPTARGQ10 :
1311       fields->f_jtargq10 = value;
1312       break;
1313     case IQ2000_OPERAND_LO16 :
1314       fields->f_imm = value;
1315       break;
1316     case IQ2000_OPERAND_MASK :
1317       fields->f_mask = value;
1318       break;
1319     case IQ2000_OPERAND_MASKL :
1320       fields->f_maskl = value;
1321       break;
1322     case IQ2000_OPERAND_MASKQ10 :
1323       fields->f_maskq10 = value;
1324       break;
1325     case IQ2000_OPERAND_MASKR :
1326       fields->f_rs = value;
1327       break;
1328     case IQ2000_OPERAND_MLO16 :
1329       fields->f_imm = value;
1330       break;
1331     case IQ2000_OPERAND_OFFSET :
1332       fields->f_offset = value;
1333       break;
1334     case IQ2000_OPERAND_RD :
1335       fields->f_rd = value;
1336       break;
1337     case IQ2000_OPERAND_RD_RS :
1338       fields->f_rd_rs = value;
1339       break;
1340     case IQ2000_OPERAND_RD_RT :
1341       fields->f_rd_rt = value;
1342       break;
1343     case IQ2000_OPERAND_RS :
1344       fields->f_rs = value;
1345       break;
1346     case IQ2000_OPERAND_RT :
1347       fields->f_rt = value;
1348       break;
1349     case IQ2000_OPERAND_RT_RS :
1350       fields->f_rt_rs = value;
1351       break;
1352     case IQ2000_OPERAND_SHAMT :
1353       fields->f_shamt = value;
1354       break;
1355
1356     default :
1357       /* xgettext:c-format */
1358       fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
1359                        opindex);
1360       abort ();
1361   }
1362 }
1363
1364 /* Function to call before using the instruction builder tables.  */
1365
1366 void
1367 iq2000_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1368 {
1369   cd->insert_handlers = & iq2000_cgen_insert_handlers[0];
1370   cd->extract_handlers = & iq2000_cgen_extract_handlers[0];
1371
1372   cd->insert_operand = iq2000_cgen_insert_operand;
1373   cd->extract_operand = iq2000_cgen_extract_operand;
1374
1375   cd->get_int_operand = iq2000_cgen_get_int_operand;
1376   cd->set_int_operand = iq2000_cgen_set_int_operand;
1377   cd->get_vma_operand = iq2000_cgen_get_vma_operand;
1378   cd->set_vma_operand = iq2000_cgen_set_vma_operand;
1379 }