opcodes/xc16x-ibld.c

   1 /* Instruction building/extraction support for xc16x. -*- 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 "xc16x-desc.h"
  34 #include "xc16x-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 * xc16x_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 xc16x_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 XC16X_OPERAND_REGNAM :
 576       errmsg = insert_normal (cd, fields->f_reg8, 0, 0, 15, 8, 32, total_length, buffer);
 577       break;
 578     case XC16X_OPERAND_BIT01 :
 579       errmsg = insert_normal (cd, fields->f_op_1bit, 0, 0, 8, 1, 32, total_length, buffer);
 580       break;
 581     case XC16X_OPERAND_BIT1 :
 582       errmsg = insert_normal (cd, fields->f_op_bit1, 0, 0, 11, 1, 32, total_length, buffer);
 583       break;
 584     case XC16X_OPERAND_BIT2 :
 585       errmsg = insert_normal (cd, fields->f_op_bit2, 0, 0, 11, 2, 32, total_length, buffer);
 586       break;
 587     case XC16X_OPERAND_BIT4 :
 588       errmsg = insert_normal (cd, fields->f_op_bit4, 0, 0, 11, 4, 32, total_length, buffer);
 589       break;
 590     case XC16X_OPERAND_BIT8 :
 591       errmsg = insert_normal (cd, fields->f_op_bit8, 0, 0, 31, 8, 32, total_length, buffer);
 592       break;
 593     case XC16X_OPERAND_BITONE :
 594       errmsg = insert_normal (cd, fields->f_op_onebit, 0, 0, 9, 1, 32, total_length, buffer);
 595       break;
 596     case XC16X_OPERAND_CADDR :
 597       errmsg = insert_normal (cd, fields->f_offset16, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, buffer);
 598       break;
 599     case XC16X_OPERAND_COND :
 600       errmsg = insert_normal (cd, fields->f_condcode, 0, 0, 7, 4, 32, total_length, buffer);
 601       break;
 602     case XC16X_OPERAND_DATA8 :
 603       errmsg = insert_normal (cd, fields->f_data8, 0, 0, 23, 8, 32, total_length, buffer);
 604       break;
 605     case XC16X_OPERAND_DATAHI8 :
 606       errmsg = insert_normal (cd, fields->f_datahi8, 0, 0, 31, 8, 32, total_length, buffer);
 607       break;
 608     case XC16X_OPERAND_DOT :
 609       break;
 610     case XC16X_OPERAND_DR :
 611       errmsg = insert_normal (cd, fields->f_r1, 0, 0, 15, 4, 32, total_length, buffer);
 612       break;
 613     case XC16X_OPERAND_DRB :
 614       errmsg = insert_normal (cd, fields->f_r1, 0, 0, 15, 4, 32, total_length, buffer);
 615       break;
 616     case XC16X_OPERAND_DRI :
 617       errmsg = insert_normal (cd, fields->f_r4, 0, 0, 11, 4, 32, total_length, buffer);
 618       break;
 619     case XC16X_OPERAND_EXTCOND :
 620       errmsg = insert_normal (cd, fields->f_extccode, 0, 0, 15, 5, 32, total_length, buffer);
 621       break;
 622     case XC16X_OPERAND_GENREG :
 623       errmsg = insert_normal (cd, fields->f_regb8, 0, 0, 15, 8, 32, total_length, buffer);
 624       break;
 625     case XC16X_OPERAND_HASH :
 626       break;
 627     case XC16X_OPERAND_ICOND :
 628       errmsg = insert_normal (cd, fields->f_icondcode, 0, 0, 15, 4, 32, total_length, buffer);
 629       break;
 630     case XC16X_OPERAND_LBIT2 :
 631       errmsg = insert_normal (cd, fields->f_op_lbit2, 0, 0, 15, 2, 32, total_length, buffer);
 632       break;
 633     case XC16X_OPERAND_LBIT4 :
 634       errmsg = insert_normal (cd, fields->f_op_lbit4, 0, 0, 15, 4, 32, total_length, buffer);
 635       break;
 636     case XC16X_OPERAND_MASK8 :
 637       errmsg = insert_normal (cd, fields->f_mask8, 0, 0, 23, 8, 32, total_length, buffer);
 638       break;
 639     case XC16X_OPERAND_MASKLO8 :
 640       errmsg = insert_normal (cd, fields->f_datahi8, 0, 0, 31, 8, 32, total_length, buffer);
 641       break;
 642     case XC16X_OPERAND_MEMGR8 :
 643       errmsg = insert_normal (cd, fields->f_memgr8, 0, 0, 31, 16, 32, total_length, buffer);
 644       break;
 645     case XC16X_OPERAND_MEMORY :
 646       errmsg = insert_normal (cd, fields->f_memory, 0, 0, 31, 16, 32, total_length, buffer);
 647       break;
 648     case XC16X_OPERAND_PAG :
 649       break;
 650     case XC16X_OPERAND_PAGENUM :
 651       errmsg = insert_normal (cd, fields->f_pagenum, 0, 0, 25, 10, 32, total_length, buffer);
 652       break;
 653     case XC16X_OPERAND_POF :
 654       break;
 655     case XC16X_OPERAND_QBIT :
 656       errmsg = insert_normal (cd, fields->f_qbit, 0, 0, 7, 4, 32, total_length, buffer);
 657       break;
 658     case XC16X_OPERAND_QHIBIT :
 659       errmsg = insert_normal (cd, fields->f_qhibit, 0, 0, 27, 4, 32, total_length, buffer);
 660       break;
 661     case XC16X_OPERAND_QLOBIT :
 662       errmsg = insert_normal (cd, fields->f_qlobit, 0, 0, 31, 4, 32, total_length, buffer);
 663       break;
 664     case XC16X_OPERAND_REG8 :
 665       errmsg = insert_normal (cd, fields->f_reg8, 0, 0, 15, 8, 32, total_length, buffer);
 666       break;
 667     case XC16X_OPERAND_REGB8 :
 668       errmsg = insert_normal (cd, fields->f_regb8, 0, 0, 15, 8, 32, total_length, buffer);
 669       break;
 670     case XC16X_OPERAND_REGBMEM8 :
 671       errmsg = insert_normal (cd, fields->f_regmem8, 0, 0, 15, 8, 32, total_length, buffer);
 672       break;
 673     case XC16X_OPERAND_REGHI8 :
 674       errmsg = insert_normal (cd, fields->f_reghi8, 0, 0, 23, 8, 32, total_length, buffer);
 675       break;
 676     case XC16X_OPERAND_REGMEM8 :
 677       errmsg = insert_normal (cd, fields->f_regmem8, 0, 0, 15, 8, 32, total_length, buffer);
 678       break;
 679     case XC16X_OPERAND_REGOFF8 :
 680       errmsg = insert_normal (cd, fields->f_regoff8, 0, 0, 15, 8, 32, total_length, buffer);
 681       break;
 682     case XC16X_OPERAND_REL :
 683       errmsg = insert_normal (cd, fields->f_rel8, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 8, 32, total_length, buffer);
 684       break;
 685     case XC16X_OPERAND_RELHI :
 686       errmsg = insert_normal (cd, fields->f_relhi8, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 23, 8, 32, total_length, buffer);
 687       break;
 688     case XC16X_OPERAND_SEG :
 689       errmsg = insert_normal (cd, fields->f_seg8, 0, 0, 15, 8, 32, total_length, buffer);
 690       break;
 691     case XC16X_OPERAND_SEGHI8 :
 692       errmsg = insert_normal (cd, fields->f_segnum8, 0, 0, 23, 8, 32, total_length, buffer);
 693       break;
 694     case XC16X_OPERAND_SEGM :
 695       break;
 696     case XC16X_OPERAND_SOF :
 697       break;
 698     case XC16X_OPERAND_SR :
 699       errmsg = insert_normal (cd, fields->f_r2, 0, 0, 11, 4, 32, total_length, buffer);
 700       break;
 701     case XC16X_OPERAND_SR2 :
 702       errmsg = insert_normal (cd, fields->f_r0, 0, 0, 9, 2, 32, total_length, buffer);
 703       break;
 704     case XC16X_OPERAND_SRB :
 705       errmsg = insert_normal (cd, fields->f_r2, 0, 0, 11, 4, 32, total_length, buffer);
 706       break;
 707     case XC16X_OPERAND_SRC1 :
 708       errmsg = insert_normal (cd, fields->f_r1, 0, 0, 15, 4, 32, total_length, buffer);
 709       break;
 710     case XC16X_OPERAND_SRC2 :
 711       errmsg = insert_normal (cd, fields->f_r2, 0, 0, 11, 4, 32, total_length, buffer);
 712       break;
 713     case XC16X_OPERAND_SRDIV :
 714       errmsg = insert_normal (cd, fields->f_reg8, 0, 0, 15, 8, 32, total_length, buffer);
 715       break;
 716     case XC16X_OPERAND_U4 :
 717       errmsg = insert_normal (cd, fields->f_uimm4, 0, 0, 15, 4, 32, total_length, buffer);
 718       break;
 719     case XC16X_OPERAND_UIMM16 :
 720       errmsg = insert_normal (cd, fields->f_uimm16, 0, 0, 31, 16, 32, total_length, buffer);
 721       break;
 722     case XC16X_OPERAND_UIMM2 :
 723       errmsg = insert_normal (cd, fields->f_uimm2, 0, 0, 13, 2, 32, total_length, buffer);
 724       break;
 725     case XC16X_OPERAND_UIMM3 :
 726       errmsg = insert_normal (cd, fields->f_uimm3, 0, 0, 10, 3, 32, total_length, buffer);
 727       break;
 728     case XC16X_OPERAND_UIMM4 :
 729       errmsg = insert_normal (cd, fields->f_uimm4, 0, 0, 15, 4, 32, total_length, buffer);
 730       break;
 731     case XC16X_OPERAND_UIMM7 :
 732       errmsg = insert_normal (cd, fields->f_uimm7, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 7, 32, total_length, buffer);
 733       break;
 734     case XC16X_OPERAND_UIMM8 :
 735       errmsg = insert_normal (cd, fields->f_uimm8, 0, 0, 23, 8, 32, total_length, buffer);
 736       break;
 737     case XC16X_OPERAND_UPAG16 :
 738       errmsg = insert_normal (cd, fields->f_uimm16, 0, 0, 31, 16, 32, total_length, buffer);
 739       break;
 740     case XC16X_OPERAND_UPOF16 :
 741       errmsg = insert_normal (cd, fields->f_memory, 0, 0, 31, 16, 32, total_length, buffer);
 742       break;
 743     case XC16X_OPERAND_USEG16 :
 744       errmsg = insert_normal (cd, fields->f_offset16, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, buffer);
 745       break;
 746     case XC16X_OPERAND_USEG8 :
 747       errmsg = insert_normal (cd, fields->f_seg8, 0, 0, 15, 8, 32, total_length, buffer);
 748       break;
 749     case XC16X_OPERAND_USOF16 :
 750       errmsg = insert_normal (cd, fields->f_offset16, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, buffer);
 751       break;
 752
 753     default :
 754       /* xgettext:c-format */
 755       fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
 756                opindex);
 757       abort ();
 758   }
 759
 760   return errmsg;
 761 }
 762
 763 int xc16x_cgen_extract_operand
 764   (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
 765
 766 /* Main entry point for operand extraction.
 767    The result is <= 0 for error, >0 for success.
 768    ??? Actual values aren't well defined right now.
 769
 770    This function is basically just a big switch statement.  Earlier versions
 771    used tables to look up the function to use, but
 772    - if the table contains both assembler and disassembler functions then
 773      the disassembler contains much of the assembler and vice-versa,
 774    - there's a lot of inlining possibilities as things grow,
 775    - using a switch statement avoids the function call overhead.
 776
 777    This function could be moved into `print_insn_normal', but keeping it
 778    separate makes clear the interface between `print_insn_normal' and each of
 779    the handlers.  */
 780
 781 int
 782 xc16x_cgen_extract_operand (CGEN_CPU_DESC cd,
 783                              int opindex,
 784                              CGEN_EXTRACT_INFO *ex_info,
 785                              CGEN_INSN_INT insn_value,
 786                              CGEN_FIELDS * fields,
 787                              bfd_vma pc)
 788 {
 789   /* Assume success (for those operands that are nops).  */
 790   int length = 1;
 791   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 792
 793   switch (opindex)
 794     {
 795     case XC16X_OPERAND_REGNAM :
 796       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_reg8);
 797       break;
 798     case XC16X_OPERAND_BIT01 :
 799       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 1, 32, total_length, pc, & fields->f_op_1bit);
 800       break;
 801     case XC16X_OPERAND_BIT1 :
 802       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 1, 32, total_length, pc, & fields->f_op_bit1);
 803       break;
 804     case XC16X_OPERAND_BIT2 :
 805       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 2, 32, total_length, pc, & fields->f_op_bit2);
 806       break;
 807     case XC16X_OPERAND_BIT4 :
 808       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_op_bit4);
 809       break;
 810     case XC16X_OPERAND_BIT8 :
 811       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 8, 32, total_length, pc, & fields->f_op_bit8);
 812       break;
 813     case XC16X_OPERAND_BITONE :
 814       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 1, 32, total_length, pc, & fields->f_op_onebit);
 815       break;
 816     case XC16X_OPERAND_CADDR :
 817       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, pc, & fields->f_offset16);
 818       break;
 819     case XC16X_OPERAND_COND :
 820       length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 4, 32, total_length, pc, & fields->f_condcode);
 821       break;
 822     case XC16X_OPERAND_DATA8 :
 823       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_data8);
 824       break;
 825     case XC16X_OPERAND_DATAHI8 :
 826       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 8, 32, total_length, pc, & fields->f_datahi8);
 827       break;
 828     case XC16X_OPERAND_DOT :
 829       break;
 830     case XC16X_OPERAND_DR :
 831       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_r1);
 832       break;
 833     case XC16X_OPERAND_DRB :
 834       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_r1);
 835       break;
 836     case XC16X_OPERAND_DRI :
 837       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_r4);
 838       break;
 839     case XC16X_OPERAND_EXTCOND :
 840       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_extccode);
 841       break;
 842     case XC16X_OPERAND_GENREG :
 843       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regb8);
 844       break;
 845     case XC16X_OPERAND_HASH :
 846       break;
 847     case XC16X_OPERAND_ICOND :
 848       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_icondcode);
 849       break;
 850     case XC16X_OPERAND_LBIT2 :
 851       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 2, 32, total_length, pc, & fields->f_op_lbit2);
 852       break;
 853     case XC16X_OPERAND_LBIT4 :
 854       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_op_lbit4);
 855       break;
 856     case XC16X_OPERAND_MASK8 :
 857       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_mask8);
 858       break;
 859     case XC16X_OPERAND_MASKLO8 :
 860       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 8, 32, total_length, pc, & fields->f_datahi8);
 861       break;
 862     case XC16X_OPERAND_MEMGR8 :
 863       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_memgr8);
 864       break;
 865     case XC16X_OPERAND_MEMORY :
 866       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_memory);
 867       break;
 868     case XC16X_OPERAND_PAG :
 869       break;
 870     case XC16X_OPERAND_PAGENUM :
 871       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 10, 32, total_length, pc, & fields->f_pagenum);
 872       break;
 873     case XC16X_OPERAND_POF :
 874       break;
 875     case XC16X_OPERAND_QBIT :
 876       length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 4, 32, total_length, pc, & fields->f_qbit);
 877       break;
 878     case XC16X_OPERAND_QHIBIT :
 879       length = extract_normal (cd, ex_info, insn_value, 0, 0, 27, 4, 32, total_length, pc, & fields->f_qhibit);
 880       break;
 881     case XC16X_OPERAND_QLOBIT :
 882       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 4, 32, total_length, pc, & fields->f_qlobit);
 883       break;
 884     case XC16X_OPERAND_REG8 :
 885       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_reg8);
 886       break;
 887     case XC16X_OPERAND_REGB8 :
 888       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regb8);
 889       break;
 890     case XC16X_OPERAND_REGBMEM8 :
 891       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regmem8);
 892       break;
 893     case XC16X_OPERAND_REGHI8 :
 894       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_reghi8);
 895       break;
 896     case XC16X_OPERAND_REGMEM8 :
 897       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regmem8);
 898       break;
 899     case XC16X_OPERAND_REGOFF8 :
 900       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regoff8);
 901       break;
 902     case XC16X_OPERAND_REL :
 903       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 8, 32, total_length, pc, & fields->f_rel8);
 904       break;
 905     case XC16X_OPERAND_RELHI :
 906       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 23, 8, 32, total_length, pc, & fields->f_relhi8);
 907       break;
 908     case XC16X_OPERAND_SEG :
 909       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_seg8);
 910       break;
 911     case XC16X_OPERAND_SEGHI8 :
 912       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_segnum8);
 913       break;
 914     case XC16X_OPERAND_SEGM :
 915       break;
 916     case XC16X_OPERAND_SOF :
 917       break;
 918     case XC16X_OPERAND_SR :
 919       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_r2);
 920       break;
 921     case XC16X_OPERAND_SR2 :
 922       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 2, 32, total_length, pc, & fields->f_r0);
 923       break;
 924     case XC16X_OPERAND_SRB :
 925       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_r2);
 926       break;
 927     case XC16X_OPERAND_SRC1 :
 928       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_r1);
 929       break;
 930     case XC16X_OPERAND_SRC2 :
 931       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_r2);
 932       break;
 933     case XC16X_OPERAND_SRDIV :
 934       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_reg8);
 935       break;
 936     case XC16X_OPERAND_U4 :
 937       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_uimm4);
 938       break;
 939     case XC16X_OPERAND_UIMM16 :
 940       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_uimm16);
 941       break;
 942     case XC16X_OPERAND_UIMM2 :
 943       length = extract_normal (cd, ex_info, insn_value, 0, 0, 13, 2, 32, total_length, pc, & fields->f_uimm2);
 944       break;
 945     case XC16X_OPERAND_UIMM3 :
 946       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 3, 32, total_length, pc, & fields->f_uimm3);
 947       break;
 948     case XC16X_OPERAND_UIMM4 :
 949       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_uimm4);
 950       break;
 951     case XC16X_OPERAND_UIMM7 :
 952       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 7, 32, total_length, pc, & fields->f_uimm7);
 953       break;
 954     case XC16X_OPERAND_UIMM8 :
 955       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_uimm8);
 956       break;
 957     case XC16X_OPERAND_UPAG16 :
 958       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_uimm16);
 959       break;
 960     case XC16X_OPERAND_UPOF16 :
 961       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_memory);
 962       break;
 963     case XC16X_OPERAND_USEG16 :
 964       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, pc, & fields->f_offset16);
 965       break;
 966     case XC16X_OPERAND_USEG8 :
 967       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_seg8);
 968       break;
 969     case XC16X_OPERAND_USOF16 :
 970       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, pc, & fields->f_offset16);
 971       break;
 972
 973     default :
 974       /* xgettext:c-format */
 975       fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
 976                opindex);
 977       abort ();
 978     }
 979
 980   return length;
 981 }
 982
 983 cgen_insert_fn * const xc16x_cgen_insert_handlers[] =
 984 {
 985   insert_insn_normal,
 986 };
 987
 988 cgen_extract_fn * const xc16x_cgen_extract_handlers[] =
 989 {
 990   extract_insn_normal,
 991 };
 992
 993 int xc16x_cgen_get_int_operand     (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 994 bfd_vma xc16x_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 995
 996 /* Getting values from cgen_fields is handled by a collection of functions.
 997    They are distinguished by the type of the VALUE argument they return.
 998    TODO: floating point, inlining support, remove cases where result type
 999    not appropriate.  */
1000
1001 int
1002 xc16x_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1003                              int opindex,
1004                              const CGEN_FIELDS * fields)
1005 {
1006   int value;
1007
1008   switch (opindex)
1009     {
1010     case XC16X_OPERAND_REGNAM :
1011       value = fields->f_reg8;
1012       break;
1013     case XC16X_OPERAND_BIT01 :
1014       value = fields->f_op_1bit;
1015       break;
1016     case XC16X_OPERAND_BIT1 :
1017       value = fields->f_op_bit1;
1018       break;
1019     case XC16X_OPERAND_BIT2 :
1020       value = fields->f_op_bit2;
1021       break;
1022     case XC16X_OPERAND_BIT4 :
1023       value = fields->f_op_bit4;
1024       break;
1025     case XC16X_OPERAND_BIT8 :
1026       value = fields->f_op_bit8;
1027       break;
1028     case XC16X_OPERAND_BITONE :
1029       value = fields->f_op_onebit;
1030       break;
1031     case XC16X_OPERAND_CADDR :
1032       value = fields->f_offset16;
1033       break;
1034     case XC16X_OPERAND_COND :
1035       value = fields->f_condcode;
1036       break;
1037     case XC16X_OPERAND_DATA8 :
1038       value = fields->f_data8;
1039       break;
1040     case XC16X_OPERAND_DATAHI8 :
1041       value = fields->f_datahi8;
1042       break;
1043     case XC16X_OPERAND_DOT :
1044       value = 0;
1045       break;
1046     case XC16X_OPERAND_DR :
1047       value = fields->f_r1;
1048       break;
1049     case XC16X_OPERAND_DRB :
1050       value = fields->f_r1;
1051       break;
1052     case XC16X_OPERAND_DRI :
1053       value = fields->f_r4;
1054       break;
1055     case XC16X_OPERAND_EXTCOND :
1056       value = fields->f_extccode;
1057       break;
1058     case XC16X_OPERAND_GENREG :
1059       value = fields->f_regb8;
1060       break;
1061     case XC16X_OPERAND_HASH :
1062       value = 0;
1063       break;
1064     case XC16X_OPERAND_ICOND :
1065       value = fields->f_icondcode;
1066       break;
1067     case XC16X_OPERAND_LBIT2 :
1068       value = fields->f_op_lbit2;
1069       break;
1070     case XC16X_OPERAND_LBIT4 :
1071       value = fields->f_op_lbit4;
1072       break;
1073     case XC16X_OPERAND_MASK8 :
1074       value = fields->f_mask8;
1075       break;
1076     case XC16X_OPERAND_MASKLO8 :
1077       value = fields->f_datahi8;
1078       break;
1079     case XC16X_OPERAND_MEMGR8 :
1080       value = fields->f_memgr8;
1081       break;
1082     case XC16X_OPERAND_MEMORY :
1083       value = fields->f_memory;
1084       break;
1085     case XC16X_OPERAND_PAG :
1086       value = 0;
1087       break;
1088     case XC16X_OPERAND_PAGENUM :
1089       value = fields->f_pagenum;
1090       break;
1091     case XC16X_OPERAND_POF :
1092       value = 0;
1093       break;
1094     case XC16X_OPERAND_QBIT :
1095       value = fields->f_qbit;
1096       break;
1097     case XC16X_OPERAND_QHIBIT :
1098       value = fields->f_qhibit;
1099       break;
1100     case XC16X_OPERAND_QLOBIT :
1101       value = fields->f_qlobit;
1102       break;
1103     case XC16X_OPERAND_REG8 :
1104       value = fields->f_reg8;
1105       break;
1106     case XC16X_OPERAND_REGB8 :
1107       value = fields->f_regb8;
1108       break;
1109     case XC16X_OPERAND_REGBMEM8 :
1110       value = fields->f_regmem8;
1111       break;
1112     case XC16X_OPERAND_REGHI8 :
1113       value = fields->f_reghi8;
1114       break;
1115     case XC16X_OPERAND_REGMEM8 :
1116       value = fields->f_regmem8;
1117       break;
1118     case XC16X_OPERAND_REGOFF8 :
1119       value = fields->f_regoff8;
1120       break;
1121     case XC16X_OPERAND_REL :
1122       value = fields->f_rel8;
1123       break;
1124     case XC16X_OPERAND_RELHI :
1125       value = fields->f_relhi8;
1126       break;
1127     case XC16X_OPERAND_SEG :
1128       value = fields->f_seg8;
1129       break;
1130     case XC16X_OPERAND_SEGHI8 :
1131       value = fields->f_segnum8;
1132       break;
1133     case XC16X_OPERAND_SEGM :
1134       value = 0;
1135       break;
1136     case XC16X_OPERAND_SOF :
1137       value = 0;
1138       break;
1139     case XC16X_OPERAND_SR :
1140       value = fields->f_r2;
1141       break;
1142     case XC16X_OPERAND_SR2 :
1143       value = fields->f_r0;
1144       break;
1145     case XC16X_OPERAND_SRB :
1146       value = fields->f_r2;
1147       break;
1148     case XC16X_OPERAND_SRC1 :
1149       value = fields->f_r1;
1150       break;
1151     case XC16X_OPERAND_SRC2 :
1152       value = fields->f_r2;
1153       break;
1154     case XC16X_OPERAND_SRDIV :
1155       value = fields->f_reg8;
1156       break;
1157     case XC16X_OPERAND_U4 :
1158       value = fields->f_uimm4;
1159       break;
1160     case XC16X_OPERAND_UIMM16 :
1161       value = fields->f_uimm16;
1162       break;
1163     case XC16X_OPERAND_UIMM2 :
1164       value = fields->f_uimm2;
1165       break;
1166     case XC16X_OPERAND_UIMM3 :
1167       value = fields->f_uimm3;
1168       break;
1169     case XC16X_OPERAND_UIMM4 :
1170       value = fields->f_uimm4;
1171       break;
1172     case XC16X_OPERAND_UIMM7 :
1173       value = fields->f_uimm7;
1174       break;
1175     case XC16X_OPERAND_UIMM8 :
1176       value = fields->f_uimm8;
1177       break;
1178     case XC16X_OPERAND_UPAG16 :
1179       value = fields->f_uimm16;
1180       break;
1181     case XC16X_OPERAND_UPOF16 :
1182       value = fields->f_memory;
1183       break;
1184     case XC16X_OPERAND_USEG16 :
1185       value = fields->f_offset16;
1186       break;
1187     case XC16X_OPERAND_USEG8 :
1188       value = fields->f_seg8;
1189       break;
1190     case XC16X_OPERAND_USOF16 :
1191       value = fields->f_offset16;
1192       break;
1193
1194     default :
1195       /* xgettext:c-format */
1196       fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
1197                        opindex);
1198       abort ();
1199   }
1200
1201   return value;
1202 }
1203
1204 bfd_vma
1205 xc16x_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1206                              int opindex,
1207                              const CGEN_FIELDS * fields)
1208 {
1209   bfd_vma value;
1210
1211   switch (opindex)
1212     {
1213     case XC16X_OPERAND_REGNAM :
1214       value = fields->f_reg8;
1215       break;
1216     case XC16X_OPERAND_BIT01 :
1217       value = fields->f_op_1bit;
1218       break;
1219     case XC16X_OPERAND_BIT1 :
1220       value = fields->f_op_bit1;
1221       break;
1222     case XC16X_OPERAND_BIT2 :
1223       value = fields->f_op_bit2;
1224       break;
1225     case XC16X_OPERAND_BIT4 :
1226       value = fields->f_op_bit4;
1227       break;
1228     case XC16X_OPERAND_BIT8 :
1229       value = fields->f_op_bit8;
1230       break;
1231     case XC16X_OPERAND_BITONE :
1232       value = fields->f_op_onebit;
1233       break;
1234     case XC16X_OPERAND_CADDR :
1235       value = fields->f_offset16;
1236       break;
1237     case XC16X_OPERAND_COND :
1238       value = fields->f_condcode;
1239       break;
1240     case XC16X_OPERAND_DATA8 :
1241       value = fields->f_data8;
1242       break;
1243     case XC16X_OPERAND_DATAHI8 :
1244       value = fields->f_datahi8;
1245       break;
1246     case XC16X_OPERAND_DOT :
1247       value = 0;
1248       break;
1249     case XC16X_OPERAND_DR :
1250       value = fields->f_r1;
1251       break;
1252     case XC16X_OPERAND_DRB :
1253       value = fields->f_r1;
1254       break;
1255     case XC16X_OPERAND_DRI :
1256       value = fields->f_r4;
1257       break;
1258     case XC16X_OPERAND_EXTCOND :
1259       value = fields->f_extccode;
1260       break;
1261     case XC16X_OPERAND_GENREG :
1262       value = fields->f_regb8;
1263       break;
1264     case XC16X_OPERAND_HASH :
1265       value = 0;
1266       break;
1267     case XC16X_OPERAND_ICOND :
1268       value = fields->f_icondcode;
1269       break;
1270     case XC16X_OPERAND_LBIT2 :
1271       value = fields->f_op_lbit2;
1272       break;
1273     case XC16X_OPERAND_LBIT4 :
1274       value = fields->f_op_lbit4;
1275       break;
1276     case XC16X_OPERAND_MASK8 :
1277       value = fields->f_mask8;
1278       break;
1279     case XC16X_OPERAND_MASKLO8 :
1280       value = fields->f_datahi8;
1281       break;
1282     case XC16X_OPERAND_MEMGR8 :
1283       value = fields->f_memgr8;
1284       break;
1285     case XC16X_OPERAND_MEMORY :
1286       value = fields->f_memory;
1287       break;
1288     case XC16X_OPERAND_PAG :
1289       value = 0;
1290       break;
1291     case XC16X_OPERAND_PAGENUM :
1292       value = fields->f_pagenum;
1293       break;
1294     case XC16X_OPERAND_POF :
1295       value = 0;
1296       break;
1297     case XC16X_OPERAND_QBIT :
1298       value = fields->f_qbit;
1299       break;
1300     case XC16X_OPERAND_QHIBIT :
1301       value = fields->f_qhibit;
1302       break;
1303     case XC16X_OPERAND_QLOBIT :
1304       value = fields->f_qlobit;
1305       break;
1306     case XC16X_OPERAND_REG8 :
1307       value = fields->f_reg8;
1308       break;
1309     case XC16X_OPERAND_REGB8 :
1310       value = fields->f_regb8;
1311       break;
1312     case XC16X_OPERAND_REGBMEM8 :
1313       value = fields->f_regmem8;
1314       break;
1315     case XC16X_OPERAND_REGHI8 :
1316       value = fields->f_reghi8;
1317       break;
1318     case XC16X_OPERAND_REGMEM8 :
1319       value = fields->f_regmem8;
1320       break;
1321     case XC16X_OPERAND_REGOFF8 :
1322       value = fields->f_regoff8;
1323       break;
1324     case XC16X_OPERAND_REL :
1325       value = fields->f_rel8;
1326       break;
1327     case XC16X_OPERAND_RELHI :
1328       value = fields->f_relhi8;
1329       break;
1330     case XC16X_OPERAND_SEG :
1331       value = fields->f_seg8;
1332       break;
1333     case XC16X_OPERAND_SEGHI8 :
1334       value = fields->f_segnum8;
1335       break;
1336     case XC16X_OPERAND_SEGM :
1337       value = 0;
1338       break;
1339     case XC16X_OPERAND_SOF :
1340       value = 0;
1341       break;
1342     case XC16X_OPERAND_SR :
1343       value = fields->f_r2;
1344       break;
1345     case XC16X_OPERAND_SR2 :
1346       value = fields->f_r0;
1347       break;
1348     case XC16X_OPERAND_SRB :
1349       value = fields->f_r2;
1350       break;
1351     case XC16X_OPERAND_SRC1 :
1352       value = fields->f_r1;
1353       break;
1354     case XC16X_OPERAND_SRC2 :
1355       value = fields->f_r2;
1356       break;
1357     case XC16X_OPERAND_SRDIV :
1358       value = fields->f_reg8;
1359       break;
1360     case XC16X_OPERAND_U4 :
1361       value = fields->f_uimm4;
1362       break;
1363     case XC16X_OPERAND_UIMM16 :
1364       value = fields->f_uimm16;
1365       break;
1366     case XC16X_OPERAND_UIMM2 :
1367       value = fields->f_uimm2;
1368       break;
1369     case XC16X_OPERAND_UIMM3 :
1370       value = fields->f_uimm3;
1371       break;
1372     case XC16X_OPERAND_UIMM4 :
1373       value = fields->f_uimm4;
1374       break;
1375     case XC16X_OPERAND_UIMM7 :
1376       value = fields->f_uimm7;
1377       break;
1378     case XC16X_OPERAND_UIMM8 :
1379       value = fields->f_uimm8;
1380       break;
1381     case XC16X_OPERAND_UPAG16 :
1382       value = fields->f_uimm16;
1383       break;
1384     case XC16X_OPERAND_UPOF16 :
1385       value = fields->f_memory;
1386       break;
1387     case XC16X_OPERAND_USEG16 :
1388       value = fields->f_offset16;
1389       break;
1390     case XC16X_OPERAND_USEG8 :
1391       value = fields->f_seg8;
1392       break;
1393     case XC16X_OPERAND_USOF16 :
1394       value = fields->f_offset16;
1395       break;
1396
1397     default :
1398       /* xgettext:c-format */
1399       fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
1400                        opindex);
1401       abort ();
1402   }
1403
1404   return value;
1405 }
1406
1407 void xc16x_cgen_set_int_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
1408 void xc16x_cgen_set_vma_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
1409
1410 /* Stuffing values in cgen_fields is handled by a collection of functions.
1411    They are distinguished by the type of the VALUE argument they accept.
1412    TODO: floating point, inlining support, remove cases where argument type
1413    not appropriate.  */
1414
1415 void
1416 xc16x_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1417                              int opindex,
1418                              CGEN_FIELDS * fields,
1419                              int value)
1420 {
1421   switch (opindex)
1422     {
1423     case XC16X_OPERAND_REGNAM :
1424       fields->f_reg8 = value;
1425       break;
1426     case XC16X_OPERAND_BIT01 :
1427       fields->f_op_1bit = value;
1428       break;
1429     case XC16X_OPERAND_BIT1 :
1430       fields->f_op_bit1 = value;
1431       break;
1432     case XC16X_OPERAND_BIT2 :
1433       fields->f_op_bit2 = value;
1434       break;
1435     case XC16X_OPERAND_BIT4 :
1436       fields->f_op_bit4 = value;
1437       break;
1438     case XC16X_OPERAND_BIT8 :
1439       fields->f_op_bit8 = value;
1440       break;
1441     case XC16X_OPERAND_BITONE :
1442       fields->f_op_onebit = value;
1443       break;
1444     case XC16X_OPERAND_CADDR :
1445       fields->f_offset16 = value;
1446       break;
1447     case XC16X_OPERAND_COND :
1448       fields->f_condcode = value;
1449       break;
1450     case XC16X_OPERAND_DATA8 :
1451       fields->f_data8 = value;
1452       break;
1453     case XC16X_OPERAND_DATAHI8 :
1454       fields->f_datahi8 = value;
1455       break;
1456     case XC16X_OPERAND_DOT :
1457       break;
1458     case XC16X_OPERAND_DR :
1459       fields->f_r1 = value;
1460       break;
1461     case XC16X_OPERAND_DRB :
1462       fields->f_r1 = value;
1463       break;
1464     case XC16X_OPERAND_DRI :
1465       fields->f_r4 = value;
1466       break;
1467     case XC16X_OPERAND_EXTCOND :
1468       fields->f_extccode = value;
1469       break;
1470     case XC16X_OPERAND_GENREG :
1471       fields->f_regb8 = value;
1472       break;
1473     case XC16X_OPERAND_HASH :
1474       break;
1475     case XC16X_OPERAND_ICOND :
1476       fields->f_icondcode = value;
1477       break;
1478     case XC16X_OPERAND_LBIT2 :
1479       fields->f_op_lbit2 = value;
1480       break;
1481     case XC16X_OPERAND_LBIT4 :
1482       fields->f_op_lbit4 = value;
1483       break;
1484     case XC16X_OPERAND_MASK8 :
1485       fields->f_mask8 = value;
1486       break;
1487     case XC16X_OPERAND_MASKLO8 :
1488       fields->f_datahi8 = value;
1489       break;
1490     case XC16X_OPERAND_MEMGR8 :
1491       fields->f_memgr8 = value;
1492       break;
1493     case XC16X_OPERAND_MEMORY :
1494       fields->f_memory = value;
1495       break;
1496     case XC16X_OPERAND_PAG :
1497       break;
1498     case XC16X_OPERAND_PAGENUM :
1499       fields->f_pagenum = value;
1500       break;
1501     case XC16X_OPERAND_POF :
1502       break;
1503     case XC16X_OPERAND_QBIT :
1504       fields->f_qbit = value;
1505       break;
1506     case XC16X_OPERAND_QHIBIT :
1507       fields->f_qhibit = value;
1508       break;
1509     case XC16X_OPERAND_QLOBIT :
1510       fields->f_qlobit = value;
1511       break;
1512     case XC16X_OPERAND_REG8 :
1513       fields->f_reg8 = value;
1514       break;
1515     case XC16X_OPERAND_REGB8 :
1516       fields->f_regb8 = value;
1517       break;
1518     case XC16X_OPERAND_REGBMEM8 :
1519       fields->f_regmem8 = value;
1520       break;
1521     case XC16X_OPERAND_REGHI8 :
1522       fields->f_reghi8 = value;
1523       break;
1524     case XC16X_OPERAND_REGMEM8 :
1525       fields->f_regmem8 = value;
1526       break;
1527     case XC16X_OPERAND_REGOFF8 :
1528       fields->f_regoff8 = value;
1529       break;
1530     case XC16X_OPERAND_REL :
1531       fields->f_rel8 = value;
1532       break;
1533     case XC16X_OPERAND_RELHI :
1534       fields->f_relhi8 = value;
1535       break;
1536     case XC16X_OPERAND_SEG :
1537       fields->f_seg8 = value;
1538       break;
1539     case XC16X_OPERAND_SEGHI8 :
1540       fields->f_segnum8 = value;
1541       break;
1542     case XC16X_OPERAND_SEGM :
1543       break;
1544     case XC16X_OPERAND_SOF :
1545       break;
1546     case XC16X_OPERAND_SR :
1547       fields->f_r2 = value;
1548       break;
1549     case XC16X_OPERAND_SR2 :
1550       fields->f_r0 = value;
1551       break;
1552     case XC16X_OPERAND_SRB :
1553       fields->f_r2 = value;
1554       break;
1555     case XC16X_OPERAND_SRC1 :
1556       fields->f_r1 = value;
1557       break;
1558     case XC16X_OPERAND_SRC2 :
1559       fields->f_r2 = value;
1560       break;
1561     case XC16X_OPERAND_SRDIV :
1562       fields->f_reg8 = value;
1563       break;
1564     case XC16X_OPERAND_U4 :
1565       fields->f_uimm4 = value;
1566       break;
1567     case XC16X_OPERAND_UIMM16 :
1568       fields->f_uimm16 = value;
1569       break;
1570     case XC16X_OPERAND_UIMM2 :
1571       fields->f_uimm2 = value;
1572       break;
1573     case XC16X_OPERAND_UIMM3 :
1574       fields->f_uimm3 = value;
1575       break;
1576     case XC16X_OPERAND_UIMM4 :
1577       fields->f_uimm4 = value;
1578       break;
1579     case XC16X_OPERAND_UIMM7 :
1580       fields->f_uimm7 = value;
1581       break;
1582     case XC16X_OPERAND_UIMM8 :
1583       fields->f_uimm8 = value;
1584       break;
1585     case XC16X_OPERAND_UPAG16 :
1586       fields->f_uimm16 = value;
1587       break;
1588     case XC16X_OPERAND_UPOF16 :
1589       fields->f_memory = value;
1590       break;
1591     case XC16X_OPERAND_USEG16 :
1592       fields->f_offset16 = value;
1593       break;
1594     case XC16X_OPERAND_USEG8 :
1595       fields->f_seg8 = value;
1596       break;
1597     case XC16X_OPERAND_USOF16 :
1598       fields->f_offset16 = value;
1599       break;
1600
1601     default :
1602       /* xgettext:c-format */
1603       fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
1604                        opindex);
1605       abort ();
1606   }
1607 }
1608
1609 void
1610 xc16x_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1611                              int opindex,
1612                              CGEN_FIELDS * fields,
1613                              bfd_vma value)
1614 {
1615   switch (opindex)
1616     {
1617     case XC16X_OPERAND_REGNAM :
1618       fields->f_reg8 = value;
1619       break;
1620     case XC16X_OPERAND_BIT01 :
1621       fields->f_op_1bit = value;
1622       break;
1623     case XC16X_OPERAND_BIT1 :
1624       fields->f_op_bit1 = value;
1625       break;
1626     case XC16X_OPERAND_BIT2 :
1627       fields->f_op_bit2 = value;
1628       break;
1629     case XC16X_OPERAND_BIT4 :
1630       fields->f_op_bit4 = value;
1631       break;
1632     case XC16X_OPERAND_BIT8 :
1633       fields->f_op_bit8 = value;
1634       break;
1635     case XC16X_OPERAND_BITONE :
1636       fields->f_op_onebit = value;
1637       break;
1638     case XC16X_OPERAND_CADDR :
1639       fields->f_offset16 = value;
1640       break;
1641     case XC16X_OPERAND_COND :
1642       fields->f_condcode = value;
1643       break;
1644     case XC16X_OPERAND_DATA8 :
1645       fields->f_data8 = value;
1646       break;
1647     case XC16X_OPERAND_DATAHI8 :
1648       fields->f_datahi8 = value;
1649       break;
1650     case XC16X_OPERAND_DOT :
1651       break;
1652     case XC16X_OPERAND_DR :
1653       fields->f_r1 = value;
1654       break;
1655     case XC16X_OPERAND_DRB :
1656       fields->f_r1 = value;
1657       break;
1658     case XC16X_OPERAND_DRI :
1659       fields->f_r4 = value;
1660       break;
1661     case XC16X_OPERAND_EXTCOND :
1662       fields->f_extccode = value;
1663       break;
1664     case XC16X_OPERAND_GENREG :
1665       fields->f_regb8 = value;
1666       break;
1667     case XC16X_OPERAND_HASH :
1668       break;
1669     case XC16X_OPERAND_ICOND :
1670       fields->f_icondcode = value;
1671       break;
1672     case XC16X_OPERAND_LBIT2 :
1673       fields->f_op_lbit2 = value;
1674       break;
1675     case XC16X_OPERAND_LBIT4 :
1676       fields->f_op_lbit4 = value;
1677       break;
1678     case XC16X_OPERAND_MASK8 :
1679       fields->f_mask8 = value;
1680       break;
1681     case XC16X_OPERAND_MASKLO8 :
1682       fields->f_datahi8 = value;
1683       break;
1684     case XC16X_OPERAND_MEMGR8 :
1685       fields->f_memgr8 = value;
1686       break;
1687     case XC16X_OPERAND_MEMORY :
1688       fields->f_memory = value;
1689       break;
1690     case XC16X_OPERAND_PAG :
1691       break;
1692     case XC16X_OPERAND_PAGENUM :
1693       fields->f_pagenum = value;
1694       break;
1695     case XC16X_OPERAND_POF :
1696       break;
1697     case XC16X_OPERAND_QBIT :
1698       fields->f_qbit = value;
1699       break;
1700     case XC16X_OPERAND_QHIBIT :
1701       fields->f_qhibit = value;
1702       break;
1703     case XC16X_OPERAND_QLOBIT :
1704       fields->f_qlobit = value;
1705       break;
1706     case XC16X_OPERAND_REG8 :
1707       fields->f_reg8 = value;
1708       break;
1709     case XC16X_OPERAND_REGB8 :
1710       fields->f_regb8 = value;
1711       break;
1712     case XC16X_OPERAND_REGBMEM8 :
1713       fields->f_regmem8 = value;
1714       break;
1715     case XC16X_OPERAND_REGHI8 :
1716       fields->f_reghi8 = value;
1717       break;
1718     case XC16X_OPERAND_REGMEM8 :
1719       fields->f_regmem8 = value;
1720       break;
1721     case XC16X_OPERAND_REGOFF8 :
1722       fields->f_regoff8 = value;
1723       break;
1724     case XC16X_OPERAND_REL :
1725       fields->f_rel8 = value;
1726       break;
1727     case XC16X_OPERAND_RELHI :
1728       fields->f_relhi8 = value;
1729       break;
1730     case XC16X_OPERAND_SEG :
1731       fields->f_seg8 = value;
1732       break;
1733     case XC16X_OPERAND_SEGHI8 :
1734       fields->f_segnum8 = value;
1735       break;
1736     case XC16X_OPERAND_SEGM :
1737       break;
1738     case XC16X_OPERAND_SOF :
1739       break;
1740     case XC16X_OPERAND_SR :
1741       fields->f_r2 = value;
1742       break;
1743     case XC16X_OPERAND_SR2 :
1744       fields->f_r0 = value;
1745       break;
1746     case XC16X_OPERAND_SRB :
1747       fields->f_r2 = value;
1748       break;
1749     case XC16X_OPERAND_SRC1 :
1750       fields->f_r1 = value;
1751       break;
1752     case XC16X_OPERAND_SRC2 :
1753       fields->f_r2 = value;
1754       break;
1755     case XC16X_OPERAND_SRDIV :
1756       fields->f_reg8 = value;
1757       break;
1758     case XC16X_OPERAND_U4 :
1759       fields->f_uimm4 = value;
1760       break;
1761     case XC16X_OPERAND_UIMM16 :
1762       fields->f_uimm16 = value;
1763       break;
1764     case XC16X_OPERAND_UIMM2 :
1765       fields->f_uimm2 = value;
1766       break;
1767     case XC16X_OPERAND_UIMM3 :
1768       fields->f_uimm3 = value;
1769       break;
1770     case XC16X_OPERAND_UIMM4 :
1771       fields->f_uimm4 = value;
1772       break;
1773     case XC16X_OPERAND_UIMM7 :
1774       fields->f_uimm7 = value;
1775       break;
1776     case XC16X_OPERAND_UIMM8 :
1777       fields->f_uimm8 = value;
1778       break;
1779     case XC16X_OPERAND_UPAG16 :
1780       fields->f_uimm16 = value;
1781       break;
1782     case XC16X_OPERAND_UPOF16 :
1783       fields->f_memory = value;
1784       break;
1785     case XC16X_OPERAND_USEG16 :
1786       fields->f_offset16 = value;
1787       break;
1788     case XC16X_OPERAND_USEG8 :
1789       fields->f_seg8 = value;
1790       break;
1791     case XC16X_OPERAND_USOF16 :
1792       fields->f_offset16 = value;
1793       break;
1794
1795     default :
1796       /* xgettext:c-format */
1797       fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
1798                        opindex);
1799       abort ();
1800   }
1801 }
1802
1803 /* Function to call before using the instruction builder tables.  */
1804
1805 void
1806 xc16x_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1807 {
1808   cd->insert_handlers = & xc16x_cgen_insert_handlers[0];
1809   cd->extract_handlers = & xc16x_cgen_extract_handlers[0];
1810
1811   cd->insert_operand = xc16x_cgen_insert_operand;
1812   cd->extract_operand = xc16x_cgen_extract_operand;
1813
1814   cd->get_int_operand = xc16x_cgen_get_int_operand;
1815   cd->set_int_operand = xc16x_cgen_set_int_operand;
1816   cd->get_vma_operand = xc16x_cgen_get_vma_operand;
1817   cd->set_vma_operand = xc16x_cgen_set_vma_operand;
1818 }