opcodes/xc16x-ibld.c

   1 /* DO NOT EDIT!  -*- buffer-read-only: t -*- vi:set ro:  */
   2 /* Instruction building/extraction support for xc16x. -*- C -*-
   3
   4    THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
   5    - the resultant file is machine generated, cgen-ibld.in isn't
   6
   7    Copyright (C) 1996-2020 Free Software Foundation, Inc.
   8
   9    This file is part of libopcodes.
  10
  11    This library is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 3, or (at your option)
  14    any later version.
  15
  16    It is distributed in the hope that it will be useful, but WITHOUT
  17    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  18    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  19    License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program; if not, write to the Free Software Foundation, Inc.,
  23    51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  24
  25 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
  26    Keep that in mind.  */
  27
  28 #include "sysdep.h"
  29 #include <stdio.h>
  30 #include "ansidecl.h"
  31 #include "dis-asm.h"
  32 #include "bfd.h"
  33 #include "symcat.h"
  34 #include "xc16x-desc.h"
  35 #include "xc16x-opc.h"
  36 #include "cgen/basic-modes.h"
  37 #include "opintl.h"
  38 #include "safe-ctype.h"
  39
  40 #undef  min
  41 #define min(a,b) ((a) < (b) ? (a) : (b))
  42 #undef  max
  43 #define max(a,b) ((a) > (b) ? (a) : (b))
  44
  45 /* Used by the ifield rtx function.  */
  46 #define FLD(f) (fields->f)
  47
  48 static const char * insert_normal
  49   (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
  50    unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);
  51 static const char * insert_insn_normal
  52   (CGEN_CPU_DESC, const CGEN_INSN *,
  53    CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
  54 static int extract_normal
  55   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
  56    unsigned int, unsigned int, unsigned int, unsigned int,
  57    unsigned int, unsigned int, bfd_vma, long *);
  58 static int extract_insn_normal
  59   (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
  60    CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
  61 #if CGEN_INT_INSN_P
  62 static void put_insn_int_value
  63   (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
  64 #endif
  65 #if ! CGEN_INT_INSN_P
  66 static CGEN_INLINE void insert_1
  67   (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
  68 static CGEN_INLINE int fill_cache
  69   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *,  int, int, bfd_vma);
  70 static CGEN_INLINE long extract_1
  71   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
  72 #endif
  73 \f
  74 /* Operand insertion.  */
  75
  76 #if ! CGEN_INT_INSN_P
  77
  78 /* Subroutine of insert_normal.  */
  79
  80 static CGEN_INLINE void
  81 insert_1 (CGEN_CPU_DESC cd,
  82           unsigned long value,
  83           int start,
  84           int length,
  85           int word_length,
  86           unsigned char *bufp)
  87 {
  88   unsigned long x, mask;
  89   int shift;
  90
  91   x = cgen_get_insn_value (cd, bufp, word_length, cd->endian);
  92
  93   /* Written this way to avoid undefined behaviour.  */
  94   mask = (1UL << (length - 1) << 1) - 1;
  95   if (CGEN_INSN_LSB0_P)
  96     shift = (start + 1) - length;
  97   else
  98     shift = (word_length - (start + length));
  99   x = (x & ~(mask << shift)) | ((value & mask) << shift);
 100
 101   cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x, cd->endian);
 102 }
 103
 104 #endif /* ! CGEN_INT_INSN_P */
 105
 106 /* Default insertion routine.
 107
 108    ATTRS is a mask of the boolean attributes.
 109    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 110    WORD_LENGTH is the length of the word in bits in which the value resides.
 111    START is the starting bit number in the word, architecture origin.
 112    LENGTH is the length of VALUE in bits.
 113    TOTAL_LENGTH is the total length of the insn in bits.
 114
 115    The result is an error message or NULL if success.  */
 116
 117 /* ??? This duplicates functionality with bfd's howto table and
 118    bfd_install_relocation.  */
 119 /* ??? This doesn't handle bfd_vma's.  Create another function when
 120    necessary.  */
 121
 122 static const char *
 123 insert_normal (CGEN_CPU_DESC cd,
 124                long value,
 125                unsigned int attrs,
 126                unsigned int word_offset,
 127                unsigned int start,
 128                unsigned int length,
 129                unsigned int word_length,
 130                unsigned int total_length,
 131                CGEN_INSN_BYTES_PTR buffer)
 132 {
 133   static char errbuf[100];
 134   unsigned long mask;
 135
 136   /* If LENGTH is zero, this operand doesn't contribute to the value.  */
 137   if (length == 0)
 138     return NULL;
 139
 140   /* Written this way to avoid undefined behaviour.  */
 141   mask = (1UL << (length - 1) << 1) - 1;
 142
 143   if (word_length > 8 * sizeof (CGEN_INSN_INT))
 144     abort ();
 145
 146   /* For architectures with insns smaller than the base-insn-bitsize,
 147      word_length may be too big.  */
 148   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 149     {
 150       if (word_offset == 0
 151           && word_length > total_length)
 152         word_length = total_length;
 153     }
 154
 155   /* Ensure VALUE will fit.  */
 156   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
 157     {
 158       long minval = - (1UL << (length - 1));
 159       unsigned long maxval = mask;
 160
 161       if ((value > 0 && (unsigned long) value > maxval)
 162           || value < minval)
 163         {
 164           /* xgettext:c-format */
 165           sprintf (errbuf,
 166                    _("operand out of range (%ld not between %ld and %lu)"),
 167                    value, minval, maxval);
 168           return errbuf;
 169         }
 170     }
 171   else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
 172     {
 173       unsigned long maxval = mask;
 174       unsigned long val = (unsigned long) value;
 175
 176       /* For hosts with a word size > 32 check to see if value has been sign
 177          extended beyond 32 bits.  If so then ignore these higher sign bits
 178          as the user is attempting to store a 32-bit signed value into an
 179          unsigned 32-bit field which is allowed.  */
 180       if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
 181         val &= 0xFFFFFFFF;
 182
 183       if (val > maxval)
 184         {
 185           /* xgettext:c-format */
 186           sprintf (errbuf,
 187                    _("operand out of range (0x%lx not between 0 and 0x%lx)"),
 188                    val, maxval);
 189           return errbuf;
 190         }
 191     }
 192   else
 193     {
 194       if (! cgen_signed_overflow_ok_p (cd))
 195         {
 196           long minval = - (1UL << (length - 1));
 197           long maxval =   (1UL << (length - 1)) - 1;
 198
 199           if (value < minval || value > maxval)
 200             {
 201               sprintf
 202                 /* xgettext:c-format */
 203                 (errbuf, _("operand out of range (%ld not between %ld and %ld)"),
 204                  value, minval, maxval);
 205               return errbuf;
 206             }
 207         }
 208     }
 209
 210 #if CGEN_INT_INSN_P
 211
 212   {
 213     int shift_within_word, shift_to_word, shift;
 214
 215     /* How to shift the value to BIT0 of the word.  */
 216     shift_to_word = total_length - (word_offset + word_length);
 217
 218     /* How to shift the value to the field within the word.  */
 219     if (CGEN_INSN_LSB0_P)
 220       shift_within_word = start + 1 - length;
 221     else
 222       shift_within_word = word_length - start - length;
 223
 224     /* The total SHIFT, then mask in the value.  */
 225     shift = shift_to_word + shift_within_word;
 226     *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
 227   }
 228
 229 #else /* ! CGEN_INT_INSN_P */
 230
 231   {
 232     unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
 233
 234     insert_1 (cd, value, start, length, word_length, bufp);
 235   }
 236
 237 #endif /* ! CGEN_INT_INSN_P */
 238
 239   return NULL;
 240 }
 241
 242 /* Default insn builder (insert handler).
 243    The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
 244    that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
 245    recorded in host byte order, otherwise BUFFER is an array of bytes
 246    and the value is recorded in target byte order).
 247    The result is an error message or NULL if success.  */
 248
 249 static const char *
 250 insert_insn_normal (CGEN_CPU_DESC cd,
 251                     const CGEN_INSN * insn,
 252                     CGEN_FIELDS * fields,
 253                     CGEN_INSN_BYTES_PTR buffer,
 254                     bfd_vma pc)
 255 {
 256   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 257   unsigned long value;
 258   const CGEN_SYNTAX_CHAR_TYPE * syn;
 259
 260   CGEN_INIT_INSERT (cd);
 261   value = CGEN_INSN_BASE_VALUE (insn);
 262
 263   /* If we're recording insns as numbers (rather than a string of bytes),
 264      target byte order handling is deferred until later.  */
 265
 266 #if CGEN_INT_INSN_P
 267
 268   put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
 269                       CGEN_FIELDS_BITSIZE (fields), value);
 270
 271 #else
 272
 273   cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
 274                                         (unsigned) CGEN_FIELDS_BITSIZE (fields)),
 275                        value, cd->insn_endian);
 276
 277 #endif /* ! CGEN_INT_INSN_P */
 278
 279   /* ??? It would be better to scan the format's fields.
 280      Still need to be able to insert a value based on the operand though;
 281      e.g. storing a branch displacement that got resolved later.
 282      Needs more thought first.  */
 283
 284   for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
 285     {
 286       const char *errmsg;
 287
 288       if (CGEN_SYNTAX_CHAR_P (* syn))
 289         continue;
 290
 291       errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 292                                        fields, buffer, pc);
 293       if (errmsg)
 294         return errmsg;
 295     }
 296
 297   return NULL;
 298 }
 299
 300 #if CGEN_INT_INSN_P
 301 /* Cover function to store an insn value into an integral insn.  Must go here
 302    because it needs <prefix>-desc.h for CGEN_INT_INSN_P.  */
 303
 304 static void
 305 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 306                     CGEN_INSN_BYTES_PTR buf,
 307                     int length,
 308                     int insn_length,
 309                     CGEN_INSN_INT value)
 310 {
 311   /* For architectures with insns smaller than the base-insn-bitsize,
 312      length may be too big.  */
 313   if (length > insn_length)
 314     *buf = value;
 315   else
 316     {
 317       int shift = insn_length - length;
 318       /* Written this way to avoid undefined behaviour.  */
 319       CGEN_INSN_INT mask = length == 0 ? 0 : (1UL << (length - 1) << 1) - 1;
 320
 321       *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
 322     }
 323 }
 324 #endif
 325 \f
 326 /* Operand extraction.  */
 327
 328 #if ! CGEN_INT_INSN_P
 329
 330 /* Subroutine of extract_normal.
 331    Ensure sufficient bytes are cached in EX_INFO.
 332    OFFSET is the offset in bytes from the start of the insn of the value.
 333    BYTES is the length of the needed value.
 334    Returns 1 for success, 0 for failure.  */
 335
 336 static CGEN_INLINE int
 337 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 338             CGEN_EXTRACT_INFO *ex_info,
 339             int offset,
 340             int bytes,
 341             bfd_vma pc)
 342 {
 343   /* It's doubtful that the middle part has already been fetched so
 344      we don't optimize that case.  kiss.  */
 345   unsigned int mask;
 346   disassemble_info *info = (disassemble_info *) ex_info->dis_info;
 347
 348   /* First do a quick check.  */
 349   mask = (1 << bytes) - 1;
 350   if (((ex_info->valid >> offset) & mask) == mask)
 351     return 1;
 352
 353   /* Search for the first byte we need to read.  */
 354   for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
 355     if (! (mask & ex_info->valid))
 356       break;
 357
 358   if (bytes)
 359     {
 360       int status;
 361
 362       pc += offset;
 363       status = (*info->read_memory_func)
 364         (pc, ex_info->insn_bytes + offset, bytes, info);
 365
 366       if (status != 0)
 367         {
 368           (*info->memory_error_func) (status, pc, info);
 369           return 0;
 370         }
 371
 372       ex_info->valid |= ((1 << bytes) - 1) << offset;
 373     }
 374
 375   return 1;
 376 }
 377
 378 /* Subroutine of extract_normal.  */
 379
 380 static CGEN_INLINE long
 381 extract_1 (CGEN_CPU_DESC cd,
 382            CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 383            int start,
 384            int length,
 385            int word_length,
 386            unsigned char *bufp,
 387            bfd_vma pc ATTRIBUTE_UNUSED)
 388 {
 389   unsigned long x;
 390   int shift;
 391
 392   x = cgen_get_insn_value (cd, bufp, word_length, cd->endian);
 393
 394   if (CGEN_INSN_LSB0_P)
 395     shift = (start + 1) - length;
 396   else
 397     shift = (word_length - (start + length));
 398   return x >> shift;
 399 }
 400
 401 #endif /* ! CGEN_INT_INSN_P */
 402
 403 /* Default extraction routine.
 404
 405    INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
 406    or sometimes less for cases like the m32r where the base insn size is 32
 407    but some insns are 16 bits.
 408    ATTRS is a mask of the boolean attributes.  We only need `SIGNED',
 409    but for generality we take a bitmask of all of them.
 410    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 411    WORD_LENGTH is the length of the word in bits in which the value resides.
 412    START is the starting bit number in the word, architecture origin.
 413    LENGTH is the length of VALUE in bits.
 414    TOTAL_LENGTH is the total length of the insn in bits.
 415
 416    Returns 1 for success, 0 for failure.  */
 417
 418 /* ??? The return code isn't properly used.  wip.  */
 419
 420 /* ??? This doesn't handle bfd_vma's.  Create another function when
 421    necessary.  */
 422
 423 static int
 424 extract_normal (CGEN_CPU_DESC cd,
 425 #if ! CGEN_INT_INSN_P
 426                 CGEN_EXTRACT_INFO *ex_info,
 427 #else
 428                 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 429 #endif
 430                 CGEN_INSN_INT insn_value,
 431                 unsigned int attrs,
 432                 unsigned int word_offset,
 433                 unsigned int start,
 434                 unsigned int length,
 435                 unsigned int word_length,
 436                 unsigned int total_length,
 437 #if ! CGEN_INT_INSN_P
 438                 bfd_vma pc,
 439 #else
 440                 bfd_vma pc ATTRIBUTE_UNUSED,
 441 #endif
 442                 long *valuep)
 443 {
 444   long value, mask;
 445
 446   /* If LENGTH is zero, this operand doesn't contribute to the value
 447      so give it a standard value of zero.  */
 448   if (length == 0)
 449     {
 450       *valuep = 0;
 451       return 1;
 452     }
 453
 454   if (word_length > 8 * sizeof (CGEN_INSN_INT))
 455     abort ();
 456
 457   /* For architectures with insns smaller than the insn-base-bitsize,
 458      word_length may be too big.  */
 459   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 460     {
 461       if (word_offset + word_length > total_length)
 462         word_length = total_length - word_offset;
 463     }
 464
 465   /* Does the value reside in INSN_VALUE, and at the right alignment?  */
 466
 467   if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
 468     {
 469       if (CGEN_INSN_LSB0_P)
 470         value = insn_value >> ((word_offset + start + 1) - length);
 471       else
 472         value = insn_value >> (total_length - ( word_offset + start + length));
 473     }
 474
 475 #if ! CGEN_INT_INSN_P
 476
 477   else
 478     {
 479       unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
 480
 481       if (word_length > 8 * sizeof (CGEN_INSN_INT))
 482         abort ();
 483
 484       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
 485         {
 486           *valuep = 0;
 487           return 0;
 488         }
 489
 490       value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
 491     }
 492
 493 #endif /* ! CGEN_INT_INSN_P */
 494
 495   /* Written this way to avoid undefined behaviour.  */
 496   mask = (1UL << (length - 1) << 1) - 1;
 497
 498   value &= mask;
 499   /* sign extend? */
 500   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
 501       && (value & (1UL << (length - 1))))
 502     value |= ~mask;
 503
 504   *valuep = value;
 505
 506   return 1;
 507 }
 508
 509 /* Default insn extractor.
 510
 511    INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
 512    The extracted fields are stored in FIELDS.
 513    EX_INFO is used to handle reading variable length insns.
 514    Return the length of the insn in bits, or 0 if no match,
 515    or -1 if an error occurs fetching data (memory_error_func will have
 516    been called).  */
 517
 518 static int
 519 extract_insn_normal (CGEN_CPU_DESC cd,
 520                      const CGEN_INSN *insn,
 521                      CGEN_EXTRACT_INFO *ex_info,
 522                      CGEN_INSN_INT insn_value,
 523                      CGEN_FIELDS *fields,
 524                      bfd_vma pc)
 525 {
 526   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 527   const CGEN_SYNTAX_CHAR_TYPE *syn;
 528
 529   CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
 530
 531   CGEN_INIT_EXTRACT (cd);
 532
 533   for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
 534     {
 535       int length;
 536
 537       if (CGEN_SYNTAX_CHAR_P (*syn))
 538         continue;
 539
 540       length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 541                                         ex_info, insn_value, fields, pc);
 542       if (length <= 0)
 543         return length;
 544     }
 545
 546   /* We recognized and successfully extracted this insn.  */
 547   return CGEN_INSN_BITSIZE (insn);
 548 }
 549 \f
 550 /* Machine generated code added here.  */
 551
 552 const char * xc16x_cgen_insert_operand
 553   (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
 554
 555 /* Main entry point for operand insertion.
 556
 557    This function is basically just a big switch statement.  Earlier versions
 558    used tables to look up the function to use, but
 559    - if the table contains both assembler and disassembler functions then
 560      the disassembler contains much of the assembler and vice-versa,
 561    - there's a lot of inlining possibilities as things grow,
 562    - using a switch statement avoids the function call overhead.
 563
 564    This function could be moved into `parse_insn_normal', but keeping it
 565    separate makes clear the interface between `parse_insn_normal' and each of
 566    the handlers.  It's also needed by GAS to insert operands that couldn't be
 567    resolved during parsing.  */
 568
 569 const char *
 570 xc16x_cgen_insert_operand (CGEN_CPU_DESC cd,
 571                              int opindex,
 572                              CGEN_FIELDS * fields,
 573                              CGEN_INSN_BYTES_PTR buffer,
 574                              bfd_vma pc ATTRIBUTE_UNUSED)
 575 {
 576   const char * errmsg = NULL;
 577   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 578
 579   switch (opindex)
 580     {
 581     case XC16X_OPERAND_REGNAM :
 582       errmsg = insert_normal (cd, fields->f_reg8, 0, 0, 15, 8, 32, total_length, buffer);
 583       break;
 584     case XC16X_OPERAND_BIT01 :
 585       errmsg = insert_normal (cd, fields->f_op_1bit, 0, 0, 8, 1, 32, total_length, buffer);
 586       break;
 587     case XC16X_OPERAND_BIT1 :
 588       errmsg = insert_normal (cd, fields->f_op_bit1, 0, 0, 11, 1, 32, total_length, buffer);
 589       break;
 590     case XC16X_OPERAND_BIT2 :
 591       errmsg = insert_normal (cd, fields->f_op_bit2, 0, 0, 11, 2, 32, total_length, buffer);
 592       break;
 593     case XC16X_OPERAND_BIT4 :
 594       errmsg = insert_normal (cd, fields->f_op_bit4, 0, 0, 11, 4, 32, total_length, buffer);
 595       break;
 596     case XC16X_OPERAND_BIT8 :
 597       errmsg = insert_normal (cd, fields->f_op_bit8, 0, 0, 31, 8, 32, total_length, buffer);
 598       break;
 599     case XC16X_OPERAND_BITONE :
 600       errmsg = insert_normal (cd, fields->f_op_onebit, 0, 0, 9, 1, 32, total_length, buffer);
 601       break;
 602     case XC16X_OPERAND_CADDR :
 603       errmsg = insert_normal (cd, fields->f_offset16, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, buffer);
 604       break;
 605     case XC16X_OPERAND_COND :
 606       errmsg = insert_normal (cd, fields->f_condcode, 0, 0, 7, 4, 32, total_length, buffer);
 607       break;
 608     case XC16X_OPERAND_DATA8 :
 609       errmsg = insert_normal (cd, fields->f_data8, 0, 0, 23, 8, 32, total_length, buffer);
 610       break;
 611     case XC16X_OPERAND_DATAHI8 :
 612       errmsg = insert_normal (cd, fields->f_datahi8, 0, 0, 31, 8, 32, total_length, buffer);
 613       break;
 614     case XC16X_OPERAND_DOT :
 615       break;
 616     case XC16X_OPERAND_DR :
 617       errmsg = insert_normal (cd, fields->f_r1, 0, 0, 15, 4, 32, total_length, buffer);
 618       break;
 619     case XC16X_OPERAND_DRB :
 620       errmsg = insert_normal (cd, fields->f_r1, 0, 0, 15, 4, 32, total_length, buffer);
 621       break;
 622     case XC16X_OPERAND_DRI :
 623       errmsg = insert_normal (cd, fields->f_r4, 0, 0, 11, 4, 32, total_length, buffer);
 624       break;
 625     case XC16X_OPERAND_EXTCOND :
 626       errmsg = insert_normal (cd, fields->f_extccode, 0, 0, 15, 5, 32, total_length, buffer);
 627       break;
 628     case XC16X_OPERAND_GENREG :
 629       errmsg = insert_normal (cd, fields->f_regb8, 0, 0, 15, 8, 32, total_length, buffer);
 630       break;
 631     case XC16X_OPERAND_HASH :
 632       break;
 633     case XC16X_OPERAND_ICOND :
 634       errmsg = insert_normal (cd, fields->f_icondcode, 0, 0, 15, 4, 32, total_length, buffer);
 635       break;
 636     case XC16X_OPERAND_LBIT2 :
 637       errmsg = insert_normal (cd, fields->f_op_lbit2, 0, 0, 15, 2, 32, total_length, buffer);
 638       break;
 639     case XC16X_OPERAND_LBIT4 :
 640       errmsg = insert_normal (cd, fields->f_op_lbit4, 0, 0, 15, 4, 32, total_length, buffer);
 641       break;
 642     case XC16X_OPERAND_MASK8 :
 643       errmsg = insert_normal (cd, fields->f_mask8, 0, 0, 23, 8, 32, total_length, buffer);
 644       break;
 645     case XC16X_OPERAND_MASKLO8 :
 646       errmsg = insert_normal (cd, fields->f_datahi8, 0, 0, 31, 8, 32, total_length, buffer);
 647       break;
 648     case XC16X_OPERAND_MEMGR8 :
 649       errmsg = insert_normal (cd, fields->f_memgr8, 0, 0, 31, 16, 32, total_length, buffer);
 650       break;
 651     case XC16X_OPERAND_MEMORY :
 652       errmsg = insert_normal (cd, fields->f_memory, 0, 0, 31, 16, 32, total_length, buffer);
 653       break;
 654     case XC16X_OPERAND_PAG :
 655       break;
 656     case XC16X_OPERAND_PAGENUM :
 657       errmsg = insert_normal (cd, fields->f_pagenum, 0, 0, 25, 10, 32, total_length, buffer);
 658       break;
 659     case XC16X_OPERAND_POF :
 660       break;
 661     case XC16X_OPERAND_QBIT :
 662       errmsg = insert_normal (cd, fields->f_qbit, 0, 0, 7, 4, 32, total_length, buffer);
 663       break;
 664     case XC16X_OPERAND_QHIBIT :
 665       errmsg = insert_normal (cd, fields->f_qhibit, 0, 0, 27, 4, 32, total_length, buffer);
 666       break;
 667     case XC16X_OPERAND_QLOBIT :
 668       errmsg = insert_normal (cd, fields->f_qlobit, 0, 0, 31, 4, 32, total_length, buffer);
 669       break;
 670     case XC16X_OPERAND_REG8 :
 671       errmsg = insert_normal (cd, fields->f_reg8, 0, 0, 15, 8, 32, total_length, buffer);
 672       break;
 673     case XC16X_OPERAND_REGB8 :
 674       errmsg = insert_normal (cd, fields->f_regb8, 0, 0, 15, 8, 32, total_length, buffer);
 675       break;
 676     case XC16X_OPERAND_REGBMEM8 :
 677       errmsg = insert_normal (cd, fields->f_regmem8, 0, 0, 15, 8, 32, total_length, buffer);
 678       break;
 679     case XC16X_OPERAND_REGHI8 :
 680       errmsg = insert_normal (cd, fields->f_reghi8, 0, 0, 23, 8, 32, total_length, buffer);
 681       break;
 682     case XC16X_OPERAND_REGMEM8 :
 683       errmsg = insert_normal (cd, fields->f_regmem8, 0, 0, 15, 8, 32, total_length, buffer);
 684       break;
 685     case XC16X_OPERAND_REGOFF8 :
 686       errmsg = insert_normal (cd, fields->f_regoff8, 0, 0, 15, 8, 32, total_length, buffer);
 687       break;
 688     case XC16X_OPERAND_REL :
 689       errmsg = insert_normal (cd, fields->f_rel8, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 8, 32, total_length, buffer);
 690       break;
 691     case XC16X_OPERAND_RELHI :
 692       errmsg = insert_normal (cd, fields->f_relhi8, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 23, 8, 32, total_length, buffer);
 693       break;
 694     case XC16X_OPERAND_SEG :
 695       errmsg = insert_normal (cd, fields->f_seg8, 0, 0, 15, 8, 32, total_length, buffer);
 696       break;
 697     case XC16X_OPERAND_SEGHI8 :
 698       errmsg = insert_normal (cd, fields->f_segnum8, 0, 0, 23, 8, 32, total_length, buffer);
 699       break;
 700     case XC16X_OPERAND_SEGM :
 701       break;
 702     case XC16X_OPERAND_SOF :
 703       break;
 704     case XC16X_OPERAND_SR :
 705       errmsg = insert_normal (cd, fields->f_r2, 0, 0, 11, 4, 32, total_length, buffer);
 706       break;
 707     case XC16X_OPERAND_SR2 :
 708       errmsg = insert_normal (cd, fields->f_r0, 0, 0, 9, 2, 32, total_length, buffer);
 709       break;
 710     case XC16X_OPERAND_SRB :
 711       errmsg = insert_normal (cd, fields->f_r2, 0, 0, 11, 4, 32, total_length, buffer);
 712       break;
 713     case XC16X_OPERAND_SRC1 :
 714       errmsg = insert_normal (cd, fields->f_r1, 0, 0, 15, 4, 32, total_length, buffer);
 715       break;
 716     case XC16X_OPERAND_SRC2 :
 717       errmsg = insert_normal (cd, fields->f_r2, 0, 0, 11, 4, 32, total_length, buffer);
 718       break;
 719     case XC16X_OPERAND_SRDIV :
 720       errmsg = insert_normal (cd, fields->f_reg8, 0, 0, 15, 8, 32, total_length, buffer);
 721       break;
 722     case XC16X_OPERAND_U4 :
 723       errmsg = insert_normal (cd, fields->f_uimm4, 0, 0, 15, 4, 32, total_length, buffer);
 724       break;
 725     case XC16X_OPERAND_UIMM16 :
 726       errmsg = insert_normal (cd, fields->f_uimm16, 0, 0, 31, 16, 32, total_length, buffer);
 727       break;
 728     case XC16X_OPERAND_UIMM2 :
 729       errmsg = insert_normal (cd, fields->f_uimm2, 0, 0, 13, 2, 32, total_length, buffer);
 730       break;
 731     case XC16X_OPERAND_UIMM3 :
 732       errmsg = insert_normal (cd, fields->f_uimm3, 0, 0, 10, 3, 32, total_length, buffer);
 733       break;
 734     case XC16X_OPERAND_UIMM4 :
 735       errmsg = insert_normal (cd, fields->f_uimm4, 0, 0, 15, 4, 32, total_length, buffer);
 736       break;
 737     case XC16X_OPERAND_UIMM7 :
 738       errmsg = insert_normal (cd, fields->f_uimm7, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 7, 32, total_length, buffer);
 739       break;
 740     case XC16X_OPERAND_UIMM8 :
 741       errmsg = insert_normal (cd, fields->f_uimm8, 0, 0, 23, 8, 32, total_length, buffer);
 742       break;
 743     case XC16X_OPERAND_UPAG16 :
 744       errmsg = insert_normal (cd, fields->f_uimm16, 0, 0, 31, 16, 32, total_length, buffer);
 745       break;
 746     case XC16X_OPERAND_UPOF16 :
 747       errmsg = insert_normal (cd, fields->f_memory, 0, 0, 31, 16, 32, total_length, buffer);
 748       break;
 749     case XC16X_OPERAND_USEG16 :
 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     case XC16X_OPERAND_USEG8 :
 753       errmsg = insert_normal (cd, fields->f_seg8, 0, 0, 15, 8, 32, total_length, buffer);
 754       break;
 755     case XC16X_OPERAND_USOF16 :
 756       errmsg = insert_normal (cd, fields->f_offset16, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, buffer);
 757       break;
 758
 759     default :
 760       /* xgettext:c-format */
 761       opcodes_error_handler
 762         (_("internal error: unrecognized field %d while building insn"),
 763          opindex);
 764       abort ();
 765   }
 766
 767   return errmsg;
 768 }
 769
 770 int xc16x_cgen_extract_operand
 771   (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
 772
 773 /* Main entry point for operand extraction.
 774    The result is <= 0 for error, >0 for success.
 775    ??? Actual values aren't well defined right now.
 776
 777    This function is basically just a big switch statement.  Earlier versions
 778    used tables to look up the function to use, but
 779    - if the table contains both assembler and disassembler functions then
 780      the disassembler contains much of the assembler and vice-versa,
 781    - there's a lot of inlining possibilities as things grow,
 782    - using a switch statement avoids the function call overhead.
 783
 784    This function could be moved into `print_insn_normal', but keeping it
 785    separate makes clear the interface between `print_insn_normal' and each of
 786    the handlers.  */
 787
 788 int
 789 xc16x_cgen_extract_operand (CGEN_CPU_DESC cd,
 790                              int opindex,
 791                              CGEN_EXTRACT_INFO *ex_info,
 792                              CGEN_INSN_INT insn_value,
 793                              CGEN_FIELDS * fields,
 794                              bfd_vma pc)
 795 {
 796   /* Assume success (for those operands that are nops).  */
 797   int length = 1;
 798   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 799
 800   switch (opindex)
 801     {
 802     case XC16X_OPERAND_REGNAM :
 803       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_reg8);
 804       break;
 805     case XC16X_OPERAND_BIT01 :
 806       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 1, 32, total_length, pc, & fields->f_op_1bit);
 807       break;
 808     case XC16X_OPERAND_BIT1 :
 809       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 1, 32, total_length, pc, & fields->f_op_bit1);
 810       break;
 811     case XC16X_OPERAND_BIT2 :
 812       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 2, 32, total_length, pc, & fields->f_op_bit2);
 813       break;
 814     case XC16X_OPERAND_BIT4 :
 815       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_op_bit4);
 816       break;
 817     case XC16X_OPERAND_BIT8 :
 818       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 8, 32, total_length, pc, & fields->f_op_bit8);
 819       break;
 820     case XC16X_OPERAND_BITONE :
 821       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 1, 32, total_length, pc, & fields->f_op_onebit);
 822       break;
 823     case XC16X_OPERAND_CADDR :
 824       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);
 825       break;
 826     case XC16X_OPERAND_COND :
 827       length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 4, 32, total_length, pc, & fields->f_condcode);
 828       break;
 829     case XC16X_OPERAND_DATA8 :
 830       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_data8);
 831       break;
 832     case XC16X_OPERAND_DATAHI8 :
 833       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 8, 32, total_length, pc, & fields->f_datahi8);
 834       break;
 835     case XC16X_OPERAND_DOT :
 836       break;
 837     case XC16X_OPERAND_DR :
 838       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_r1);
 839       break;
 840     case XC16X_OPERAND_DRB :
 841       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_r1);
 842       break;
 843     case XC16X_OPERAND_DRI :
 844       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_r4);
 845       break;
 846     case XC16X_OPERAND_EXTCOND :
 847       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_extccode);
 848       break;
 849     case XC16X_OPERAND_GENREG :
 850       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regb8);
 851       break;
 852     case XC16X_OPERAND_HASH :
 853       break;
 854     case XC16X_OPERAND_ICOND :
 855       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_icondcode);
 856       break;
 857     case XC16X_OPERAND_LBIT2 :
 858       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 2, 32, total_length, pc, & fields->f_op_lbit2);
 859       break;
 860     case XC16X_OPERAND_LBIT4 :
 861       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_op_lbit4);
 862       break;
 863     case XC16X_OPERAND_MASK8 :
 864       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_mask8);
 865       break;
 866     case XC16X_OPERAND_MASKLO8 :
 867       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 8, 32, total_length, pc, & fields->f_datahi8);
 868       break;
 869     case XC16X_OPERAND_MEMGR8 :
 870       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_memgr8);
 871       break;
 872     case XC16X_OPERAND_MEMORY :
 873       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_memory);
 874       break;
 875     case XC16X_OPERAND_PAG :
 876       break;
 877     case XC16X_OPERAND_PAGENUM :
 878       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 10, 32, total_length, pc, & fields->f_pagenum);
 879       break;
 880     case XC16X_OPERAND_POF :
 881       break;
 882     case XC16X_OPERAND_QBIT :
 883       length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 4, 32, total_length, pc, & fields->f_qbit);
 884       break;
 885     case XC16X_OPERAND_QHIBIT :
 886       length = extract_normal (cd, ex_info, insn_value, 0, 0, 27, 4, 32, total_length, pc, & fields->f_qhibit);
 887       break;
 888     case XC16X_OPERAND_QLOBIT :
 889       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 4, 32, total_length, pc, & fields->f_qlobit);
 890       break;
 891     case XC16X_OPERAND_REG8 :
 892       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_reg8);
 893       break;
 894     case XC16X_OPERAND_REGB8 :
 895       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regb8);
 896       break;
 897     case XC16X_OPERAND_REGBMEM8 :
 898       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regmem8);
 899       break;
 900     case XC16X_OPERAND_REGHI8 :
 901       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_reghi8);
 902       break;
 903     case XC16X_OPERAND_REGMEM8 :
 904       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regmem8);
 905       break;
 906     case XC16X_OPERAND_REGOFF8 :
 907       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regoff8);
 908       break;
 909     case XC16X_OPERAND_REL :
 910       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);
 911       break;
 912     case XC16X_OPERAND_RELHI :
 913       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);
 914       break;
 915     case XC16X_OPERAND_SEG :
 916       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_seg8);
 917       break;
 918     case XC16X_OPERAND_SEGHI8 :
 919       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_segnum8);
 920       break;
 921     case XC16X_OPERAND_SEGM :
 922       break;
 923     case XC16X_OPERAND_SOF :
 924       break;
 925     case XC16X_OPERAND_SR :
 926       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_r2);
 927       break;
 928     case XC16X_OPERAND_SR2 :
 929       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 2, 32, total_length, pc, & fields->f_r0);
 930       break;
 931     case XC16X_OPERAND_SRB :
 932       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_r2);
 933       break;
 934     case XC16X_OPERAND_SRC1 :
 935       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_r1);
 936       break;
 937     case XC16X_OPERAND_SRC2 :
 938       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_r2);
 939       break;
 940     case XC16X_OPERAND_SRDIV :
 941       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_reg8);
 942       break;
 943     case XC16X_OPERAND_U4 :
 944       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_uimm4);
 945       break;
 946     case XC16X_OPERAND_UIMM16 :
 947       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_uimm16);
 948       break;
 949     case XC16X_OPERAND_UIMM2 :
 950       length = extract_normal (cd, ex_info, insn_value, 0, 0, 13, 2, 32, total_length, pc, & fields->f_uimm2);
 951       break;
 952     case XC16X_OPERAND_UIMM3 :
 953       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 3, 32, total_length, pc, & fields->f_uimm3);
 954       break;
 955     case XC16X_OPERAND_UIMM4 :
 956       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_uimm4);
 957       break;
 958     case XC16X_OPERAND_UIMM7 :
 959       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);
 960       break;
 961     case XC16X_OPERAND_UIMM8 :
 962       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_uimm8);
 963       break;
 964     case XC16X_OPERAND_UPAG16 :
 965       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_uimm16);
 966       break;
 967     case XC16X_OPERAND_UPOF16 :
 968       length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_memory);
 969       break;
 970     case XC16X_OPERAND_USEG16 :
 971       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);
 972       break;
 973     case XC16X_OPERAND_USEG8 :
 974       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_seg8);
 975       break;
 976     case XC16X_OPERAND_USOF16 :
 977       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);
 978       break;
 979
 980     default :
 981       /* xgettext:c-format */
 982       opcodes_error_handler
 983         (_("internal error: unrecognized field %d while decoding insn"),
 984          opindex);
 985       abort ();
 986     }
 987
 988   return length;
 989 }
 990
 991 cgen_insert_fn * const xc16x_cgen_insert_handlers[] =
 992 {
 993   insert_insn_normal,
 994 };
 995
 996 cgen_extract_fn * const xc16x_cgen_extract_handlers[] =
 997 {
 998   extract_insn_normal,
 999 };
1000
1001 int xc16x_cgen_get_int_operand     (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
1002 bfd_vma xc16x_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
1003
1004 /* Getting values from cgen_fields is handled by a collection of functions.
1005    They are distinguished by the type of the VALUE argument they return.
1006    TODO: floating point, inlining support, remove cases where result type
1007    not appropriate.  */
1008
1009 int
1010 xc16x_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1011                              int opindex,
1012                              const CGEN_FIELDS * fields)
1013 {
1014   int value;
1015
1016   switch (opindex)
1017     {
1018     case XC16X_OPERAND_REGNAM :
1019       value = fields->f_reg8;
1020       break;
1021     case XC16X_OPERAND_BIT01 :
1022       value = fields->f_op_1bit;
1023       break;
1024     case XC16X_OPERAND_BIT1 :
1025       value = fields->f_op_bit1;
1026       break;
1027     case XC16X_OPERAND_BIT2 :
1028       value = fields->f_op_bit2;
1029       break;
1030     case XC16X_OPERAND_BIT4 :
1031       value = fields->f_op_bit4;
1032       break;
1033     case XC16X_OPERAND_BIT8 :
1034       value = fields->f_op_bit8;
1035       break;
1036     case XC16X_OPERAND_BITONE :
1037       value = fields->f_op_onebit;
1038       break;
1039     case XC16X_OPERAND_CADDR :
1040       value = fields->f_offset16;
1041       break;
1042     case XC16X_OPERAND_COND :
1043       value = fields->f_condcode;
1044       break;
1045     case XC16X_OPERAND_DATA8 :
1046       value = fields->f_data8;
1047       break;
1048     case XC16X_OPERAND_DATAHI8 :
1049       value = fields->f_datahi8;
1050       break;
1051     case XC16X_OPERAND_DOT :
1052       value = 0;
1053       break;
1054     case XC16X_OPERAND_DR :
1055       value = fields->f_r1;
1056       break;
1057     case XC16X_OPERAND_DRB :
1058       value = fields->f_r1;
1059       break;
1060     case XC16X_OPERAND_DRI :
1061       value = fields->f_r4;
1062       break;
1063     case XC16X_OPERAND_EXTCOND :
1064       value = fields->f_extccode;
1065       break;
1066     case XC16X_OPERAND_GENREG :
1067       value = fields->f_regb8;
1068       break;
1069     case XC16X_OPERAND_HASH :
1070       value = 0;
1071       break;
1072     case XC16X_OPERAND_ICOND :
1073       value = fields->f_icondcode;
1074       break;
1075     case XC16X_OPERAND_LBIT2 :
1076       value = fields->f_op_lbit2;
1077       break;
1078     case XC16X_OPERAND_LBIT4 :
1079       value = fields->f_op_lbit4;
1080       break;
1081     case XC16X_OPERAND_MASK8 :
1082       value = fields->f_mask8;
1083       break;
1084     case XC16X_OPERAND_MASKLO8 :
1085       value = fields->f_datahi8;
1086       break;
1087     case XC16X_OPERAND_MEMGR8 :
1088       value = fields->f_memgr8;
1089       break;
1090     case XC16X_OPERAND_MEMORY :
1091       value = fields->f_memory;
1092       break;
1093     case XC16X_OPERAND_PAG :
1094       value = 0;
1095       break;
1096     case XC16X_OPERAND_PAGENUM :
1097       value = fields->f_pagenum;
1098       break;
1099     case XC16X_OPERAND_POF :
1100       value = 0;
1101       break;
1102     case XC16X_OPERAND_QBIT :
1103       value = fields->f_qbit;
1104       break;
1105     case XC16X_OPERAND_QHIBIT :
1106       value = fields->f_qhibit;
1107       break;
1108     case XC16X_OPERAND_QLOBIT :
1109       value = fields->f_qlobit;
1110       break;
1111     case XC16X_OPERAND_REG8 :
1112       value = fields->f_reg8;
1113       break;
1114     case XC16X_OPERAND_REGB8 :
1115       value = fields->f_regb8;
1116       break;
1117     case XC16X_OPERAND_REGBMEM8 :
1118       value = fields->f_regmem8;
1119       break;
1120     case XC16X_OPERAND_REGHI8 :
1121       value = fields->f_reghi8;
1122       break;
1123     case XC16X_OPERAND_REGMEM8 :
1124       value = fields->f_regmem8;
1125       break;
1126     case XC16X_OPERAND_REGOFF8 :
1127       value = fields->f_regoff8;
1128       break;
1129     case XC16X_OPERAND_REL :
1130       value = fields->f_rel8;
1131       break;
1132     case XC16X_OPERAND_RELHI :
1133       value = fields->f_relhi8;
1134       break;
1135     case XC16X_OPERAND_SEG :
1136       value = fields->f_seg8;
1137       break;
1138     case XC16X_OPERAND_SEGHI8 :
1139       value = fields->f_segnum8;
1140       break;
1141     case XC16X_OPERAND_SEGM :
1142       value = 0;
1143       break;
1144     case XC16X_OPERAND_SOF :
1145       value = 0;
1146       break;
1147     case XC16X_OPERAND_SR :
1148       value = fields->f_r2;
1149       break;
1150     case XC16X_OPERAND_SR2 :
1151       value = fields->f_r0;
1152       break;
1153     case XC16X_OPERAND_SRB :
1154       value = fields->f_r2;
1155       break;
1156     case XC16X_OPERAND_SRC1 :
1157       value = fields->f_r1;
1158       break;
1159     case XC16X_OPERAND_SRC2 :
1160       value = fields->f_r2;
1161       break;
1162     case XC16X_OPERAND_SRDIV :
1163       value = fields->f_reg8;
1164       break;
1165     case XC16X_OPERAND_U4 :
1166       value = fields->f_uimm4;
1167       break;
1168     case XC16X_OPERAND_UIMM16 :
1169       value = fields->f_uimm16;
1170       break;
1171     case XC16X_OPERAND_UIMM2 :
1172       value = fields->f_uimm2;
1173       break;
1174     case XC16X_OPERAND_UIMM3 :
1175       value = fields->f_uimm3;
1176       break;
1177     case XC16X_OPERAND_UIMM4 :
1178       value = fields->f_uimm4;
1179       break;
1180     case XC16X_OPERAND_UIMM7 :
1181       value = fields->f_uimm7;
1182       break;
1183     case XC16X_OPERAND_UIMM8 :
1184       value = fields->f_uimm8;
1185       break;
1186     case XC16X_OPERAND_UPAG16 :
1187       value = fields->f_uimm16;
1188       break;
1189     case XC16X_OPERAND_UPOF16 :
1190       value = fields->f_memory;
1191       break;
1192     case XC16X_OPERAND_USEG16 :
1193       value = fields->f_offset16;
1194       break;
1195     case XC16X_OPERAND_USEG8 :
1196       value = fields->f_seg8;
1197       break;
1198     case XC16X_OPERAND_USOF16 :
1199       value = fields->f_offset16;
1200       break;
1201
1202     default :
1203       /* xgettext:c-format */
1204       opcodes_error_handler
1205         (_("internal error: unrecognized field %d while getting int operand"),
1206          opindex);
1207       abort ();
1208   }
1209
1210   return value;
1211 }
1212
1213 bfd_vma
1214 xc16x_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1215                              int opindex,
1216                              const CGEN_FIELDS * fields)
1217 {
1218   bfd_vma value;
1219
1220   switch (opindex)
1221     {
1222     case XC16X_OPERAND_REGNAM :
1223       value = fields->f_reg8;
1224       break;
1225     case XC16X_OPERAND_BIT01 :
1226       value = fields->f_op_1bit;
1227       break;
1228     case XC16X_OPERAND_BIT1 :
1229       value = fields->f_op_bit1;
1230       break;
1231     case XC16X_OPERAND_BIT2 :
1232       value = fields->f_op_bit2;
1233       break;
1234     case XC16X_OPERAND_BIT4 :
1235       value = fields->f_op_bit4;
1236       break;
1237     case XC16X_OPERAND_BIT8 :
1238       value = fields->f_op_bit8;
1239       break;
1240     case XC16X_OPERAND_BITONE :
1241       value = fields->f_op_onebit;
1242       break;
1243     case XC16X_OPERAND_CADDR :
1244       value = fields->f_offset16;
1245       break;
1246     case XC16X_OPERAND_COND :
1247       value = fields->f_condcode;
1248       break;
1249     case XC16X_OPERAND_DATA8 :
1250       value = fields->f_data8;
1251       break;
1252     case XC16X_OPERAND_DATAHI8 :
1253       value = fields->f_datahi8;
1254       break;
1255     case XC16X_OPERAND_DOT :
1256       value = 0;
1257       break;
1258     case XC16X_OPERAND_DR :
1259       value = fields->f_r1;
1260       break;
1261     case XC16X_OPERAND_DRB :
1262       value = fields->f_r1;
1263       break;
1264     case XC16X_OPERAND_DRI :
1265       value = fields->f_r4;
1266       break;
1267     case XC16X_OPERAND_EXTCOND :
1268       value = fields->f_extccode;
1269       break;
1270     case XC16X_OPERAND_GENREG :
1271       value = fields->f_regb8;
1272       break;
1273     case XC16X_OPERAND_HASH :
1274       value = 0;
1275       break;
1276     case XC16X_OPERAND_ICOND :
1277       value = fields->f_icondcode;
1278       break;
1279     case XC16X_OPERAND_LBIT2 :
1280       value = fields->f_op_lbit2;
1281       break;
1282     case XC16X_OPERAND_LBIT4 :
1283       value = fields->f_op_lbit4;
1284       break;
1285     case XC16X_OPERAND_MASK8 :
1286       value = fields->f_mask8;
1287       break;
1288     case XC16X_OPERAND_MASKLO8 :
1289       value = fields->f_datahi8;
1290       break;
1291     case XC16X_OPERAND_MEMGR8 :
1292       value = fields->f_memgr8;
1293       break;
1294     case XC16X_OPERAND_MEMORY :
1295       value = fields->f_memory;
1296       break;
1297     case XC16X_OPERAND_PAG :
1298       value = 0;
1299       break;
1300     case XC16X_OPERAND_PAGENUM :
1301       value = fields->f_pagenum;
1302       break;
1303     case XC16X_OPERAND_POF :
1304       value = 0;
1305       break;
1306     case XC16X_OPERAND_QBIT :
1307       value = fields->f_qbit;
1308       break;
1309     case XC16X_OPERAND_QHIBIT :
1310       value = fields->f_qhibit;
1311       break;
1312     case XC16X_OPERAND_QLOBIT :
1313       value = fields->f_qlobit;
1314       break;
1315     case XC16X_OPERAND_REG8 :
1316       value = fields->f_reg8;
1317       break;
1318     case XC16X_OPERAND_REGB8 :
1319       value = fields->f_regb8;
1320       break;
1321     case XC16X_OPERAND_REGBMEM8 :
1322       value = fields->f_regmem8;
1323       break;
1324     case XC16X_OPERAND_REGHI8 :
1325       value = fields->f_reghi8;
1326       break;
1327     case XC16X_OPERAND_REGMEM8 :
1328       value = fields->f_regmem8;
1329       break;
1330     case XC16X_OPERAND_REGOFF8 :
1331       value = fields->f_regoff8;
1332       break;
1333     case XC16X_OPERAND_REL :
1334       value = fields->f_rel8;
1335       break;
1336     case XC16X_OPERAND_RELHI :
1337       value = fields->f_relhi8;
1338       break;
1339     case XC16X_OPERAND_SEG :
1340       value = fields->f_seg8;
1341       break;
1342     case XC16X_OPERAND_SEGHI8 :
1343       value = fields->f_segnum8;
1344       break;
1345     case XC16X_OPERAND_SEGM :
1346       value = 0;
1347       break;
1348     case XC16X_OPERAND_SOF :
1349       value = 0;
1350       break;
1351     case XC16X_OPERAND_SR :
1352       value = fields->f_r2;
1353       break;
1354     case XC16X_OPERAND_SR2 :
1355       value = fields->f_r0;
1356       break;
1357     case XC16X_OPERAND_SRB :
1358       value = fields->f_r2;
1359       break;
1360     case XC16X_OPERAND_SRC1 :
1361       value = fields->f_r1;
1362       break;
1363     case XC16X_OPERAND_SRC2 :
1364       value = fields->f_r2;
1365       break;
1366     case XC16X_OPERAND_SRDIV :
1367       value = fields->f_reg8;
1368       break;
1369     case XC16X_OPERAND_U4 :
1370       value = fields->f_uimm4;
1371       break;
1372     case XC16X_OPERAND_UIMM16 :
1373       value = fields->f_uimm16;
1374       break;
1375     case XC16X_OPERAND_UIMM2 :
1376       value = fields->f_uimm2;
1377       break;
1378     case XC16X_OPERAND_UIMM3 :
1379       value = fields->f_uimm3;
1380       break;
1381     case XC16X_OPERAND_UIMM4 :
1382       value = fields->f_uimm4;
1383       break;
1384     case XC16X_OPERAND_UIMM7 :
1385       value = fields->f_uimm7;
1386       break;
1387     case XC16X_OPERAND_UIMM8 :
1388       value = fields->f_uimm8;
1389       break;
1390     case XC16X_OPERAND_UPAG16 :
1391       value = fields->f_uimm16;
1392       break;
1393     case XC16X_OPERAND_UPOF16 :
1394       value = fields->f_memory;
1395       break;
1396     case XC16X_OPERAND_USEG16 :
1397       value = fields->f_offset16;
1398       break;
1399     case XC16X_OPERAND_USEG8 :
1400       value = fields->f_seg8;
1401       break;
1402     case XC16X_OPERAND_USOF16 :
1403       value = fields->f_offset16;
1404       break;
1405
1406     default :
1407       /* xgettext:c-format */
1408       opcodes_error_handler
1409         (_("internal error: unrecognized field %d while getting vma operand"),
1410          opindex);
1411       abort ();
1412   }
1413
1414   return value;
1415 }
1416
1417 void xc16x_cgen_set_int_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
1418 void xc16x_cgen_set_vma_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
1419
1420 /* Stuffing values in cgen_fields is handled by a collection of functions.
1421    They are distinguished by the type of the VALUE argument they accept.
1422    TODO: floating point, inlining support, remove cases where argument type
1423    not appropriate.  */
1424
1425 void
1426 xc16x_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1427                              int opindex,
1428                              CGEN_FIELDS * fields,
1429                              int value)
1430 {
1431   switch (opindex)
1432     {
1433     case XC16X_OPERAND_REGNAM :
1434       fields->f_reg8 = value;
1435       break;
1436     case XC16X_OPERAND_BIT01 :
1437       fields->f_op_1bit = value;
1438       break;
1439     case XC16X_OPERAND_BIT1 :
1440       fields->f_op_bit1 = value;
1441       break;
1442     case XC16X_OPERAND_BIT2 :
1443       fields->f_op_bit2 = value;
1444       break;
1445     case XC16X_OPERAND_BIT4 :
1446       fields->f_op_bit4 = value;
1447       break;
1448     case XC16X_OPERAND_BIT8 :
1449       fields->f_op_bit8 = value;
1450       break;
1451     case XC16X_OPERAND_BITONE :
1452       fields->f_op_onebit = value;
1453       break;
1454     case XC16X_OPERAND_CADDR :
1455       fields->f_offset16 = value;
1456       break;
1457     case XC16X_OPERAND_COND :
1458       fields->f_condcode = value;
1459       break;
1460     case XC16X_OPERAND_DATA8 :
1461       fields->f_data8 = value;
1462       break;
1463     case XC16X_OPERAND_DATAHI8 :
1464       fields->f_datahi8 = value;
1465       break;
1466     case XC16X_OPERAND_DOT :
1467       break;
1468     case XC16X_OPERAND_DR :
1469       fields->f_r1 = value;
1470       break;
1471     case XC16X_OPERAND_DRB :
1472       fields->f_r1 = value;
1473       break;
1474     case XC16X_OPERAND_DRI :
1475       fields->f_r4 = value;
1476       break;
1477     case XC16X_OPERAND_EXTCOND :
1478       fields->f_extccode = value;
1479       break;
1480     case XC16X_OPERAND_GENREG :
1481       fields->f_regb8 = value;
1482       break;
1483     case XC16X_OPERAND_HASH :
1484       break;
1485     case XC16X_OPERAND_ICOND :
1486       fields->f_icondcode = value;
1487       break;
1488     case XC16X_OPERAND_LBIT2 :
1489       fields->f_op_lbit2 = value;
1490       break;
1491     case XC16X_OPERAND_LBIT4 :
1492       fields->f_op_lbit4 = value;
1493       break;
1494     case XC16X_OPERAND_MASK8 :
1495       fields->f_mask8 = value;
1496       break;
1497     case XC16X_OPERAND_MASKLO8 :
1498       fields->f_datahi8 = value;
1499       break;
1500     case XC16X_OPERAND_MEMGR8 :
1501       fields->f_memgr8 = value;
1502       break;
1503     case XC16X_OPERAND_MEMORY :
1504       fields->f_memory = value;
1505       break;
1506     case XC16X_OPERAND_PAG :
1507       break;
1508     case XC16X_OPERAND_PAGENUM :
1509       fields->f_pagenum = value;
1510       break;
1511     case XC16X_OPERAND_POF :
1512       break;
1513     case XC16X_OPERAND_QBIT :
1514       fields->f_qbit = value;
1515       break;
1516     case XC16X_OPERAND_QHIBIT :
1517       fields->f_qhibit = value;
1518       break;
1519     case XC16X_OPERAND_QLOBIT :
1520       fields->f_qlobit = value;
1521       break;
1522     case XC16X_OPERAND_REG8 :
1523       fields->f_reg8 = value;
1524       break;
1525     case XC16X_OPERAND_REGB8 :
1526       fields->f_regb8 = value;
1527       break;
1528     case XC16X_OPERAND_REGBMEM8 :
1529       fields->f_regmem8 = value;
1530       break;
1531     case XC16X_OPERAND_REGHI8 :
1532       fields->f_reghi8 = value;
1533       break;
1534     case XC16X_OPERAND_REGMEM8 :
1535       fields->f_regmem8 = value;
1536       break;
1537     case XC16X_OPERAND_REGOFF8 :
1538       fields->f_regoff8 = value;
1539       break;
1540     case XC16X_OPERAND_REL :
1541       fields->f_rel8 = value;
1542       break;
1543     case XC16X_OPERAND_RELHI :
1544       fields->f_relhi8 = value;
1545       break;
1546     case XC16X_OPERAND_SEG :
1547       fields->f_seg8 = value;
1548       break;
1549     case XC16X_OPERAND_SEGHI8 :
1550       fields->f_segnum8 = value;
1551       break;
1552     case XC16X_OPERAND_SEGM :
1553       break;
1554     case XC16X_OPERAND_SOF :
1555       break;
1556     case XC16X_OPERAND_SR :
1557       fields->f_r2 = value;
1558       break;
1559     case XC16X_OPERAND_SR2 :
1560       fields->f_r0 = value;
1561       break;
1562     case XC16X_OPERAND_SRB :
1563       fields->f_r2 = value;
1564       break;
1565     case XC16X_OPERAND_SRC1 :
1566       fields->f_r1 = value;
1567       break;
1568     case XC16X_OPERAND_SRC2 :
1569       fields->f_r2 = value;
1570       break;
1571     case XC16X_OPERAND_SRDIV :
1572       fields->f_reg8 = value;
1573       break;
1574     case XC16X_OPERAND_U4 :
1575       fields->f_uimm4 = value;
1576       break;
1577     case XC16X_OPERAND_UIMM16 :
1578       fields->f_uimm16 = value;
1579       break;
1580     case XC16X_OPERAND_UIMM2 :
1581       fields->f_uimm2 = value;
1582       break;
1583     case XC16X_OPERAND_UIMM3 :
1584       fields->f_uimm3 = value;
1585       break;
1586     case XC16X_OPERAND_UIMM4 :
1587       fields->f_uimm4 = value;
1588       break;
1589     case XC16X_OPERAND_UIMM7 :
1590       fields->f_uimm7 = value;
1591       break;
1592     case XC16X_OPERAND_UIMM8 :
1593       fields->f_uimm8 = value;
1594       break;
1595     case XC16X_OPERAND_UPAG16 :
1596       fields->f_uimm16 = value;
1597       break;
1598     case XC16X_OPERAND_UPOF16 :
1599       fields->f_memory = value;
1600       break;
1601     case XC16X_OPERAND_USEG16 :
1602       fields->f_offset16 = value;
1603       break;
1604     case XC16X_OPERAND_USEG8 :
1605       fields->f_seg8 = value;
1606       break;
1607     case XC16X_OPERAND_USOF16 :
1608       fields->f_offset16 = value;
1609       break;
1610
1611     default :
1612       /* xgettext:c-format */
1613       opcodes_error_handler
1614         (_("internal error: unrecognized field %d while setting int operand"),
1615          opindex);
1616       abort ();
1617   }
1618 }
1619
1620 void
1621 xc16x_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1622                              int opindex,
1623                              CGEN_FIELDS * fields,
1624                              bfd_vma value)
1625 {
1626   switch (opindex)
1627     {
1628     case XC16X_OPERAND_REGNAM :
1629       fields->f_reg8 = value;
1630       break;
1631     case XC16X_OPERAND_BIT01 :
1632       fields->f_op_1bit = value;
1633       break;
1634     case XC16X_OPERAND_BIT1 :
1635       fields->f_op_bit1 = value;
1636       break;
1637     case XC16X_OPERAND_BIT2 :
1638       fields->f_op_bit2 = value;
1639       break;
1640     case XC16X_OPERAND_BIT4 :
1641       fields->f_op_bit4 = value;
1642       break;
1643     case XC16X_OPERAND_BIT8 :
1644       fields->f_op_bit8 = value;
1645       break;
1646     case XC16X_OPERAND_BITONE :
1647       fields->f_op_onebit = value;
1648       break;
1649     case XC16X_OPERAND_CADDR :
1650       fields->f_offset16 = value;
1651       break;
1652     case XC16X_OPERAND_COND :
1653       fields->f_condcode = value;
1654       break;
1655     case XC16X_OPERAND_DATA8 :
1656       fields->f_data8 = value;
1657       break;
1658     case XC16X_OPERAND_DATAHI8 :
1659       fields->f_datahi8 = value;
1660       break;
1661     case XC16X_OPERAND_DOT :
1662       break;
1663     case XC16X_OPERAND_DR :
1664       fields->f_r1 = value;
1665       break;
1666     case XC16X_OPERAND_DRB :
1667       fields->f_r1 = value;
1668       break;
1669     case XC16X_OPERAND_DRI :
1670       fields->f_r4 = value;
1671       break;
1672     case XC16X_OPERAND_EXTCOND :
1673       fields->f_extccode = value;
1674       break;
1675     case XC16X_OPERAND_GENREG :
1676       fields->f_regb8 = value;
1677       break;
1678     case XC16X_OPERAND_HASH :
1679       break;
1680     case XC16X_OPERAND_ICOND :
1681       fields->f_icondcode = value;
1682       break;
1683     case XC16X_OPERAND_LBIT2 :
1684       fields->f_op_lbit2 = value;
1685       break;
1686     case XC16X_OPERAND_LBIT4 :
1687       fields->f_op_lbit4 = value;
1688       break;
1689     case XC16X_OPERAND_MASK8 :
1690       fields->f_mask8 = value;
1691       break;
1692     case XC16X_OPERAND_MASKLO8 :
1693       fields->f_datahi8 = value;
1694       break;
1695     case XC16X_OPERAND_MEMGR8 :
1696       fields->f_memgr8 = value;
1697       break;
1698     case XC16X_OPERAND_MEMORY :
1699       fields->f_memory = value;
1700       break;
1701     case XC16X_OPERAND_PAG :
1702       break;
1703     case XC16X_OPERAND_PAGENUM :
1704       fields->f_pagenum = value;
1705       break;
1706     case XC16X_OPERAND_POF :
1707       break;
1708     case XC16X_OPERAND_QBIT :
1709       fields->f_qbit = value;
1710       break;
1711     case XC16X_OPERAND_QHIBIT :
1712       fields->f_qhibit = value;
1713       break;
1714     case XC16X_OPERAND_QLOBIT :
1715       fields->f_qlobit = value;
1716       break;
1717     case XC16X_OPERAND_REG8 :
1718       fields->f_reg8 = value;
1719       break;
1720     case XC16X_OPERAND_REGB8 :
1721       fields->f_regb8 = value;
1722       break;
1723     case XC16X_OPERAND_REGBMEM8 :
1724       fields->f_regmem8 = value;
1725       break;
1726     case XC16X_OPERAND_REGHI8 :
1727       fields->f_reghi8 = value;
1728       break;
1729     case XC16X_OPERAND_REGMEM8 :
1730       fields->f_regmem8 = value;
1731       break;
1732     case XC16X_OPERAND_REGOFF8 :
1733       fields->f_regoff8 = value;
1734       break;
1735     case XC16X_OPERAND_REL :
1736       fields->f_rel8 = value;
1737       break;
1738     case XC16X_OPERAND_RELHI :
1739       fields->f_relhi8 = value;
1740       break;
1741     case XC16X_OPERAND_SEG :
1742       fields->f_seg8 = value;
1743       break;
1744     case XC16X_OPERAND_SEGHI8 :
1745       fields->f_segnum8 = value;
1746       break;
1747     case XC16X_OPERAND_SEGM :
1748       break;
1749     case XC16X_OPERAND_SOF :
1750       break;
1751     case XC16X_OPERAND_SR :
1752       fields->f_r2 = value;
1753       break;
1754     case XC16X_OPERAND_SR2 :
1755       fields->f_r0 = value;
1756       break;
1757     case XC16X_OPERAND_SRB :
1758       fields->f_r2 = value;
1759       break;
1760     case XC16X_OPERAND_SRC1 :
1761       fields->f_r1 = value;
1762       break;
1763     case XC16X_OPERAND_SRC2 :
1764       fields->f_r2 = value;
1765       break;
1766     case XC16X_OPERAND_SRDIV :
1767       fields->f_reg8 = value;
1768       break;
1769     case XC16X_OPERAND_U4 :
1770       fields->f_uimm4 = value;
1771       break;
1772     case XC16X_OPERAND_UIMM16 :
1773       fields->f_uimm16 = value;
1774       break;
1775     case XC16X_OPERAND_UIMM2 :
1776       fields->f_uimm2 = value;
1777       break;
1778     case XC16X_OPERAND_UIMM3 :
1779       fields->f_uimm3 = value;
1780       break;
1781     case XC16X_OPERAND_UIMM4 :
1782       fields->f_uimm4 = value;
1783       break;
1784     case XC16X_OPERAND_UIMM7 :
1785       fields->f_uimm7 = value;
1786       break;
1787     case XC16X_OPERAND_UIMM8 :
1788       fields->f_uimm8 = value;
1789       break;
1790     case XC16X_OPERAND_UPAG16 :
1791       fields->f_uimm16 = value;
1792       break;
1793     case XC16X_OPERAND_UPOF16 :
1794       fields->f_memory = value;
1795       break;
1796     case XC16X_OPERAND_USEG16 :
1797       fields->f_offset16 = value;
1798       break;
1799     case XC16X_OPERAND_USEG8 :
1800       fields->f_seg8 = value;
1801       break;
1802     case XC16X_OPERAND_USOF16 :
1803       fields->f_offset16 = value;
1804       break;
1805
1806     default :
1807       /* xgettext:c-format */
1808       opcodes_error_handler
1809         (_("internal error: unrecognized field %d while setting vma operand"),
1810          opindex);
1811       abort ();
1812   }
1813 }
1814
1815 /* Function to call before using the instruction builder tables.  */
1816
1817 void
1818 xc16x_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1819 {
1820   cd->insert_handlers = & xc16x_cgen_insert_handlers[0];
1821   cd->extract_handlers = & xc16x_cgen_extract_handlers[0];
1822
1823   cd->insert_operand = xc16x_cgen_insert_operand;
1824   cd->extract_operand = xc16x_cgen_extract_operand;
1825
1826   cd->get_int_operand = xc16x_cgen_get_int_operand;
1827   cd->set_int_operand = xc16x_cgen_set_int_operand;
1828   cd->get_vma_operand = xc16x_cgen_get_vma_operand;
1829   cd->set_vma_operand = xc16x_cgen_set_vma_operand;
1830 }