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