opcodes/mt-ibld.c

   1 /* Instruction building/extraction support for mt. -*- C -*-
   2
   3    THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
   4    - the resultant file is machine generated, cgen-ibld.in isn't
   5
   6    Copyright (C) 1996-2017 Free Software Foundation, Inc.
   7
   8    This file is part of libopcodes.
   9
  10    This library is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3, or (at your option)
  13    any later version.
  14
  15    It is distributed in the hope that it will be useful, but WITHOUT
  16    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  17    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  18    License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software Foundation, Inc.,
  22    51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  23
  24 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
  25    Keep that in mind.  */
  26
  27 #include "sysdep.h"
  28 #include <stdio.h>
  29 #include "ansidecl.h"
  30 #include "dis-asm.h"
  31 #include "bfd.h"
  32 #include "symcat.h"
  33 #include "mt-desc.h"
  34 #include "mt-opc.h"
  35 #include "cgen/basic-modes.h"
  36 #include "opintl.h"
  37 #include "safe-ctype.h"
  38
  39 #undef  min
  40 #define min(a,b) ((a) < (b) ? (a) : (b))
  41 #undef  max
  42 #define max(a,b) ((a) > (b) ? (a) : (b))
  43
  44 /* Used by the ifield rtx function.  */
  45 #define FLD(f) (fields->f)
  46
  47 static const char * insert_normal
  48   (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
  49    unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);
  50 static const char * insert_insn_normal
  51   (CGEN_CPU_DESC, const CGEN_INSN *,
  52    CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
  53 static int extract_normal
  54   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
  55    unsigned int, unsigned int, unsigned int, unsigned int,
  56    unsigned int, unsigned int, bfd_vma, long *);
  57 static int extract_insn_normal
  58   (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
  59    CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
  60 #if CGEN_INT_INSN_P
  61 static void put_insn_int_value
  62   (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
  63 #endif
  64 #if ! CGEN_INT_INSN_P
  65 static CGEN_INLINE void insert_1
  66   (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
  67 static CGEN_INLINE int fill_cache
  68   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *,  int, int, bfd_vma);
  69 static CGEN_INLINE long extract_1
  70   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
  71 #endif
  72 \f
  73 /* Operand insertion.  */
  74
  75 #if ! CGEN_INT_INSN_P
  76
  77 /* Subroutine of insert_normal.  */
  78
  79 static CGEN_INLINE void
  80 insert_1 (CGEN_CPU_DESC cd,
  81           unsigned long value,
  82           int start,
  83           int length,
  84           int word_length,
  85           unsigned char *bufp)
  86 {
  87   unsigned long x,mask;
  88   int shift;
  89
  90   x = cgen_get_insn_value (cd, bufp, word_length);
  91
  92   /* Written this way to avoid undefined behaviour.  */
  93   mask = (((1L << (length - 1)) - 1) << 1) | 1;
  94   if (CGEN_INSN_LSB0_P)
  95     shift = (start + 1) - length;
  96   else
  97     shift = (word_length - (start + length));
  98   x = (x & ~(mask << shift)) | ((value & mask) << shift);
  99
 100   cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x);
 101 }
 102
 103 #endif /* ! CGEN_INT_INSN_P */
 104
 105 /* Default insertion routine.
 106
 107    ATTRS is a mask of the boolean attributes.
 108    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 109    WORD_LENGTH is the length of the word in bits in which the value resides.
 110    START is the starting bit number in the word, architecture origin.
 111    LENGTH is the length of VALUE in bits.
 112    TOTAL_LENGTH is the total length of the insn in bits.
 113
 114    The result is an error message or NULL if success.  */
 115
 116 /* ??? This duplicates functionality with bfd's howto table and
 117    bfd_install_relocation.  */
 118 /* ??? This doesn't handle bfd_vma's.  Create another function when
 119    necessary.  */
 120
 121 static const char *
 122 insert_normal (CGEN_CPU_DESC cd,
 123                long value,
 124                unsigned int attrs,
 125                unsigned int word_offset,
 126                unsigned int start,
 127                unsigned int length,
 128                unsigned int word_length,
 129                unsigned int total_length,
 130                CGEN_INSN_BYTES_PTR buffer)
 131 {
 132   static char errbuf[100];
 133   /* Written this way to avoid undefined behaviour.  */
 134   unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1;
 135
 136   /* If LENGTH is zero, this operand doesn't contribute to the value.  */
 137   if (length == 0)
 138     return NULL;
 139
 140   if (word_length > 8 * sizeof (CGEN_INSN_INT))
 141     abort ();
 142
 143   /* For architectures with insns smaller than the base-insn-bitsize,
 144      word_length may be too big.  */
 145   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 146     {
 147       if (word_offset == 0
 148           && word_length > total_length)
 149         word_length = total_length;
 150     }
 151
 152   /* Ensure VALUE will fit.  */
 153   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
 154     {
 155       long minval = - (1L << (length - 1));
 156       unsigned long maxval = mask;
 157
 158       if ((value > 0 && (unsigned long) value > maxval)
 159           || value < minval)
 160         {
 161           /* xgettext:c-format */
 162           sprintf (errbuf,
 163                    _("operand out of range (%ld not between %ld and %lu)"),
 164                    value, minval, maxval);
 165           return errbuf;
 166         }
 167     }
 168   else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
 169     {
 170       unsigned long maxval = mask;
 171       unsigned long val = (unsigned long) value;
 172
 173       /* For hosts with a word size > 32 check to see if value has been sign
 174          extended beyond 32 bits.  If so then ignore these higher sign bits
 175          as the user is attempting to store a 32-bit signed value into an
 176          unsigned 32-bit field which is allowed.  */
 177       if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
 178         val &= 0xFFFFFFFF;
 179
 180       if (val > maxval)
 181         {
 182           /* xgettext:c-format */
 183           sprintf (errbuf,
 184                    _("operand out of range (0x%lx not between 0 and 0x%lx)"),
 185                    val, maxval);
 186           return errbuf;
 187         }
 188     }
 189   else
 190     {
 191       if (! cgen_signed_overflow_ok_p (cd))
 192         {
 193           long minval = - (1L << (length - 1));
 194           long maxval =   (1L << (length - 1)) - 1;
 195
 196           if (value < minval || value > maxval)
 197             {
 198               sprintf
 199                 /* xgettext:c-format */
 200                 (errbuf, _("operand out of range (%ld not between %ld and %ld)"),
 201                  value, minval, maxval);
 202               return errbuf;
 203             }
 204         }
 205     }
 206
 207 #if CGEN_INT_INSN_P
 208
 209   {
 210     int shift_within_word, shift_to_word, shift;
 211
 212     /* How to shift the value to BIT0 of the word.  */
 213     shift_to_word = total_length - (word_offset + word_length);
 214
 215     /* How to shift the value to the field within the word.  */
 216     if (CGEN_INSN_LSB0_P)
 217       shift_within_word = start + 1 - length;
 218     else
 219       shift_within_word = word_length - start - length;
 220
 221     /* The total SHIFT, then mask in the value.  */
 222     shift = shift_to_word + shift_within_word;
 223     *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
 224   }
 225
 226 #else /* ! CGEN_INT_INSN_P */
 227
 228   {
 229     unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
 230
 231     insert_1 (cd, value, start, length, word_length, bufp);
 232   }
 233
 234 #endif /* ! CGEN_INT_INSN_P */
 235
 236   return NULL;
 237 }
 238
 239 /* Default insn builder (insert handler).
 240    The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
 241    that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
 242    recorded in host byte order, otherwise BUFFER is an array of bytes
 243    and the value is recorded in target byte order).
 244    The result is an error message or NULL if success.  */
 245
 246 static const char *
 247 insert_insn_normal (CGEN_CPU_DESC cd,
 248                     const CGEN_INSN * insn,
 249                     CGEN_FIELDS * fields,
 250                     CGEN_INSN_BYTES_PTR buffer,
 251                     bfd_vma pc)
 252 {
 253   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 254   unsigned long value;
 255   const CGEN_SYNTAX_CHAR_TYPE * syn;
 256
 257   CGEN_INIT_INSERT (cd);
 258   value = CGEN_INSN_BASE_VALUE (insn);
 259
 260   /* If we're recording insns as numbers (rather than a string of bytes),
 261      target byte order handling is deferred until later.  */
 262
 263 #if CGEN_INT_INSN_P
 264
 265   put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
 266                       CGEN_FIELDS_BITSIZE (fields), value);
 267
 268 #else
 269
 270   cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
 271                                         (unsigned) CGEN_FIELDS_BITSIZE (fields)),
 272                        value);
 273
 274 #endif /* ! CGEN_INT_INSN_P */
 275
 276   /* ??? It would be better to scan the format's fields.
 277      Still need to be able to insert a value based on the operand though;
 278      e.g. storing a branch displacement that got resolved later.
 279      Needs more thought first.  */
 280
 281   for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
 282     {
 283       const char *errmsg;
 284
 285       if (CGEN_SYNTAX_CHAR_P (* syn))
 286         continue;
 287
 288       errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 289                                        fields, buffer, pc);
 290       if (errmsg)
 291         return errmsg;
 292     }
 293
 294   return NULL;
 295 }
 296
 297 #if CGEN_INT_INSN_P
 298 /* Cover function to store an insn value into an integral insn.  Must go here
 299    because it needs <prefix>-desc.h for CGEN_INT_INSN_P.  */
 300
 301 static void
 302 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 303                     CGEN_INSN_BYTES_PTR buf,
 304                     int length,
 305                     int insn_length,
 306                     CGEN_INSN_INT value)
 307 {
 308   /* For architectures with insns smaller than the base-insn-bitsize,
 309      length may be too big.  */
 310   if (length > insn_length)
 311     *buf = value;
 312   else
 313     {
 314       int shift = insn_length - length;
 315       /* Written this way to avoid undefined behaviour.  */
 316       CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
 317
 318       *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
 319     }
 320 }
 321 #endif
 322 \f
 323 /* Operand extraction.  */
 324
 325 #if ! CGEN_INT_INSN_P
 326
 327 /* Subroutine of extract_normal.
 328    Ensure sufficient bytes are cached in EX_INFO.
 329    OFFSET is the offset in bytes from the start of the insn of the value.
 330    BYTES is the length of the needed value.
 331    Returns 1 for success, 0 for failure.  */
 332
 333 static CGEN_INLINE int
 334 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 335             CGEN_EXTRACT_INFO *ex_info,
 336             int offset,
 337             int bytes,
 338             bfd_vma pc)
 339 {
 340   /* It's doubtful that the middle part has already been fetched so
 341      we don't optimize that case.  kiss.  */
 342   unsigned int mask;
 343   disassemble_info *info = (disassemble_info *) ex_info->dis_info;
 344
 345   /* First do a quick check.  */
 346   mask = (1 << bytes) - 1;
 347   if (((ex_info->valid >> offset) & mask) == mask)
 348     return 1;
 349
 350   /* Search for the first byte we need to read.  */
 351   for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
 352     if (! (mask & ex_info->valid))
 353       break;
 354
 355   if (bytes)
 356     {
 357       int status;
 358
 359       pc += offset;
 360       status = (*info->read_memory_func)
 361         (pc, ex_info->insn_bytes + offset, bytes, info);
 362
 363       if (status != 0)
 364         {
 365           (*info->memory_error_func) (status, pc, info);
 366           return 0;
 367         }
 368
 369       ex_info->valid |= ((1 << bytes) - 1) << offset;
 370     }
 371
 372   return 1;
 373 }
 374
 375 /* Subroutine of extract_normal.  */
 376
 377 static CGEN_INLINE long
 378 extract_1 (CGEN_CPU_DESC cd,
 379            CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 380            int start,
 381            int length,
 382            int word_length,
 383            unsigned char *bufp,
 384            bfd_vma pc ATTRIBUTE_UNUSED)
 385 {
 386   unsigned long x;
 387   int shift;
 388
 389   x = cgen_get_insn_value (cd, bufp, word_length);
 390
 391   if (CGEN_INSN_LSB0_P)
 392     shift = (start + 1) - length;
 393   else
 394     shift = (word_length - (start + length));
 395   return x >> shift;
 396 }
 397
 398 #endif /* ! CGEN_INT_INSN_P */
 399
 400 /* Default extraction routine.
 401
 402    INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
 403    or sometimes less for cases like the m32r where the base insn size is 32
 404    but some insns are 16 bits.
 405    ATTRS is a mask of the boolean attributes.  We only need `SIGNED',
 406    but for generality we take a bitmask of all of them.
 407    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 408    WORD_LENGTH is the length of the word in bits in which the value resides.
 409    START is the starting bit number in the word, architecture origin.
 410    LENGTH is the length of VALUE in bits.
 411    TOTAL_LENGTH is the total length of the insn in bits.
 412
 413    Returns 1 for success, 0 for failure.  */
 414
 415 /* ??? The return code isn't properly used.  wip.  */
 416
 417 /* ??? This doesn't handle bfd_vma's.  Create another function when
 418    necessary.  */
 419
 420 static int
 421 extract_normal (CGEN_CPU_DESC cd,
 422 #if ! CGEN_INT_INSN_P
 423                 CGEN_EXTRACT_INFO *ex_info,
 424 #else
 425                 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 426 #endif
 427                 CGEN_INSN_INT insn_value,
 428                 unsigned int attrs,
 429                 unsigned int word_offset,
 430                 unsigned int start,
 431                 unsigned int length,
 432                 unsigned int word_length,
 433                 unsigned int total_length,
 434 #if ! CGEN_INT_INSN_P
 435                 bfd_vma pc,
 436 #else
 437                 bfd_vma pc ATTRIBUTE_UNUSED,
 438 #endif
 439                 long *valuep)
 440 {
 441   long value, mask;
 442
 443   /* If LENGTH is zero, this operand doesn't contribute to the value
 444      so give it a standard value of zero.  */
 445   if (length == 0)
 446     {
 447       *valuep = 0;
 448       return 1;
 449     }
 450
 451   if (word_length > 8 * sizeof (CGEN_INSN_INT))
 452     abort ();
 453
 454   /* For architectures with insns smaller than the insn-base-bitsize,
 455      word_length may be too big.  */
 456   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 457     {
 458       if (word_offset + word_length > total_length)
 459         word_length = total_length - word_offset;
 460     }
 461
 462   /* Does the value reside in INSN_VALUE, and at the right alignment?  */
 463
 464   if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
 465     {
 466       if (CGEN_INSN_LSB0_P)
 467         value = insn_value >> ((word_offset + start + 1) - length);
 468       else
 469         value = insn_value >> (total_length - ( word_offset + start + length));
 470     }
 471
 472 #if ! CGEN_INT_INSN_P
 473
 474   else
 475     {
 476       unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
 477
 478       if (word_length > 8 * sizeof (CGEN_INSN_INT))
 479         abort ();
 480
 481       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
 482         return 0;
 483
 484       value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
 485     }
 486
 487 #endif /* ! CGEN_INT_INSN_P */
 488
 489   /* Written this way to avoid undefined behaviour.  */
 490   mask = (((1L << (length - 1)) - 1) << 1) | 1;
 491
 492   value &= mask;
 493   /* sign extend? */
 494   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
 495       && (value & (1L << (length - 1))))
 496     value |= ~mask;
 497
 498   *valuep = value;
 499
 500   return 1;
 501 }
 502
 503 /* Default insn extractor.
 504
 505    INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
 506    The extracted fields are stored in FIELDS.
 507    EX_INFO is used to handle reading variable length insns.
 508    Return the length of the insn in bits, or 0 if no match,
 509    or -1 if an error occurs fetching data (memory_error_func will have
 510    been called).  */
 511
 512 static int
 513 extract_insn_normal (CGEN_CPU_DESC cd,
 514                      const CGEN_INSN *insn,
 515                      CGEN_EXTRACT_INFO *ex_info,
 516                      CGEN_INSN_INT insn_value,
 517                      CGEN_FIELDS *fields,
 518                      bfd_vma pc)
 519 {
 520   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 521   const CGEN_SYNTAX_CHAR_TYPE *syn;
 522
 523   CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
 524
 525   CGEN_INIT_EXTRACT (cd);
 526
 527   for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
 528     {
 529       int length;
 530
 531       if (CGEN_SYNTAX_CHAR_P (*syn))
 532         continue;
 533
 534       length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 535                                         ex_info, insn_value, fields, pc);
 536       if (length <= 0)
 537         return length;
 538     }
 539
 540   /* We recognized and successfully extracted this insn.  */
 541   return CGEN_INSN_BITSIZE (insn);
 542 }
 543 \f
 544 /* Machine generated code added here.  */
 545
 546 const char * mt_cgen_insert_operand
 547   (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
 548
 549 /* Main entry point for operand insertion.
 550
 551    This function is basically just a big switch statement.  Earlier versions
 552    used tables to look up the function to use, but
 553    - if the table contains both assembler and disassembler functions then
 554      the disassembler contains much of the assembler and vice-versa,
 555    - there's a lot of inlining possibilities as things grow,
 556    - using a switch statement avoids the function call overhead.
 557
 558    This function could be moved into `parse_insn_normal', but keeping it
 559    separate makes clear the interface between `parse_insn_normal' and each of
 560    the handlers.  It's also needed by GAS to insert operands that couldn't be
 561    resolved during parsing.  */
 562
 563 const char *
 564 mt_cgen_insert_operand (CGEN_CPU_DESC cd,
 565                              int opindex,
 566                              CGEN_FIELDS * fields,
 567                              CGEN_INSN_BYTES_PTR buffer,
 568                              bfd_vma pc ATTRIBUTE_UNUSED)
 569 {
 570   const char * errmsg = NULL;
 571   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 572
 573   switch (opindex)
 574     {
 575     case MT_OPERAND_A23 :
 576       errmsg = insert_normal (cd, fields->f_a23, 0, 0, 23, 1, 32, total_length, buffer);
 577       break;
 578     case MT_OPERAND_BALL :
 579       errmsg = insert_normal (cd, fields->f_ball, 0, 0, 19, 1, 32, total_length, buffer);
 580       break;
 581     case MT_OPERAND_BALL2 :
 582       errmsg = insert_normal (cd, fields->f_ball2, 0, 0, 15, 1, 32, total_length, buffer);
 583       break;
 584     case MT_OPERAND_BANKADDR :
 585       errmsg = insert_normal (cd, fields->f_bankaddr, 0, 0, 25, 13, 32, total_length, buffer);
 586       break;
 587     case MT_OPERAND_BRC :
 588       errmsg = insert_normal (cd, fields->f_brc, 0, 0, 18, 3, 32, total_length, buffer);
 589       break;
 590     case MT_OPERAND_BRC2 :
 591       errmsg = insert_normal (cd, fields->f_brc2, 0, 0, 14, 3, 32, total_length, buffer);
 592       break;
 593     case MT_OPERAND_CB1INCR :
 594       errmsg = insert_normal (cd, fields->f_cb1incr, 0|(1<<CGEN_IFLD_SIGNED), 0, 19, 6, 32, total_length, buffer);
 595       break;
 596     case MT_OPERAND_CB1SEL :
 597       errmsg = insert_normal (cd, fields->f_cb1sel, 0, 0, 25, 3, 32, total_length, buffer);
 598       break;
 599     case MT_OPERAND_CB2INCR :
 600       errmsg = insert_normal (cd, fields->f_cb2incr, 0|(1<<CGEN_IFLD_SIGNED), 0, 13, 6, 32, total_length, buffer);
 601       break;
 602     case MT_OPERAND_CB2SEL :
 603       errmsg = insert_normal (cd, fields->f_cb2sel, 0, 0, 22, 3, 32, total_length, buffer);
 604       break;
 605     case MT_OPERAND_CBRB :
 606       errmsg = insert_normal (cd, fields->f_cbrb, 0, 0, 10, 1, 32, total_length, buffer);
 607       break;
 608     case MT_OPERAND_CBS :
 609       errmsg = insert_normal (cd, fields->f_cbs, 0, 0, 19, 2, 32, total_length, buffer);
 610       break;
 611     case MT_OPERAND_CBX :
 612       errmsg = insert_normal (cd, fields->f_cbx, 0, 0, 14, 3, 32, total_length, buffer);
 613       break;
 614     case MT_OPERAND_CCB :
 615       errmsg = insert_normal (cd, fields->f_ccb, 0, 0, 11, 1, 32, total_length, buffer);
 616       break;
 617     case MT_OPERAND_CDB :
 618       errmsg = insert_normal (cd, fields->f_cdb, 0, 0, 10, 1, 32, total_length, buffer);
 619       break;
 620     case MT_OPERAND_CELL :
 621       errmsg = insert_normal (cd, fields->f_cell, 0, 0, 9, 3, 32, total_length, buffer);
 622       break;
 623     case MT_OPERAND_COLNUM :
 624       errmsg = insert_normal (cd, fields->f_colnum, 0, 0, 18, 3, 32, total_length, buffer);
 625       break;
 626     case MT_OPERAND_CONTNUM :
 627       errmsg = insert_normal (cd, fields->f_contnum, 0, 0, 8, 9, 32, total_length, buffer);
 628       break;
 629     case MT_OPERAND_CR :
 630       errmsg = insert_normal (cd, fields->f_cr, 0, 0, 22, 3, 32, total_length, buffer);
 631       break;
 632     case MT_OPERAND_CTXDISP :
 633       errmsg = insert_normal (cd, fields->f_ctxdisp, 0, 0, 5, 6, 32, total_length, buffer);
 634       break;
 635     case MT_OPERAND_DUP :
 636       errmsg = insert_normal (cd, fields->f_dup, 0, 0, 6, 1, 32, total_length, buffer);
 637       break;
 638     case MT_OPERAND_FBDISP :
 639       errmsg = insert_normal (cd, fields->f_fbdisp, 0, 0, 15, 6, 32, total_length, buffer);
 640       break;
 641     case MT_OPERAND_FBINCR :
 642       errmsg = insert_normal (cd, fields->f_fbincr, 0, 0, 23, 4, 32, total_length, buffer);
 643       break;
 644     case MT_OPERAND_FRDR :
 645       errmsg = insert_normal (cd, fields->f_dr, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 19, 4, 32, total_length, buffer);
 646       break;
 647     case MT_OPERAND_FRDRRR :
 648       errmsg = insert_normal (cd, fields->f_drrr, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 4, 32, total_length, buffer);
 649       break;
 650     case MT_OPERAND_FRSR1 :
 651       errmsg = insert_normal (cd, fields->f_sr1, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 23, 4, 32, total_length, buffer);
 652       break;
 653     case MT_OPERAND_FRSR2 :
 654       errmsg = insert_normal (cd, fields->f_sr2, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 19, 4, 32, total_length, buffer);
 655       break;
 656     case MT_OPERAND_ID :
 657       errmsg = insert_normal (cd, fields->f_id, 0, 0, 14, 1, 32, total_length, buffer);
 658       break;
 659     case MT_OPERAND_IMM16 :
 660       {
 661         long value = fields->f_imm16s;
 662         value = ((value) + (0));
 663         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
 664       }
 665       break;
 666     case MT_OPERAND_IMM16L :
 667       errmsg = insert_normal (cd, fields->f_imm16l, 0, 0, 23, 16, 32, total_length, buffer);
 668       break;
 669     case MT_OPERAND_IMM16O :
 670       {
 671         long value = fields->f_imm16s;
 672         value = ((value) + (0));
 673         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
 674       }
 675       break;
 676     case MT_OPERAND_IMM16Z :
 677       errmsg = insert_normal (cd, fields->f_imm16u, 0, 0, 15, 16, 32, total_length, buffer);
 678       break;
 679     case MT_OPERAND_INCAMT :
 680       errmsg = insert_normal (cd, fields->f_incamt, 0, 0, 19, 8, 32, total_length, buffer);
 681       break;
 682     case MT_OPERAND_INCR :
 683       errmsg = insert_normal (cd, fields->f_incr, 0, 0, 17, 6, 32, total_length, buffer);
 684       break;
 685     case MT_OPERAND_LENGTH :
 686       errmsg = insert_normal (cd, fields->f_length, 0, 0, 15, 3, 32, total_length, buffer);
 687       break;
 688     case MT_OPERAND_LOOPSIZE :
 689       {
 690         long value = fields->f_loopo;
 691         value = ((USI) (value) >> (2));
 692         errmsg = insert_normal (cd, value, 0, 0, 7, 8, 32, total_length, buffer);
 693       }
 694       break;
 695     case MT_OPERAND_MASK :
 696       errmsg = insert_normal (cd, fields->f_mask, 0, 0, 25, 16, 32, total_length, buffer);
 697       break;
 698     case MT_OPERAND_MASK1 :
 699       errmsg = insert_normal (cd, fields->f_mask1, 0, 0, 22, 3, 32, total_length, buffer);
 700       break;
 701     case MT_OPERAND_MODE :
 702       errmsg = insert_normal (cd, fields->f_mode, 0, 0, 25, 2, 32, total_length, buffer);
 703       break;
 704     case MT_OPERAND_PERM :
 705       errmsg = insert_normal (cd, fields->f_perm, 0, 0, 25, 2, 32, total_length, buffer);
 706       break;
 707     case MT_OPERAND_RBBC :
 708       errmsg = insert_normal (cd, fields->f_rbbc, 0, 0, 25, 2, 32, total_length, buffer);
 709       break;
 710     case MT_OPERAND_RC :
 711       errmsg = insert_normal (cd, fields->f_rc, 0, 0, 15, 1, 32, total_length, buffer);
 712       break;
 713     case MT_OPERAND_RC1 :
 714       errmsg = insert_normal (cd, fields->f_rc1, 0, 0, 11, 1, 32, total_length, buffer);
 715       break;
 716     case MT_OPERAND_RC2 :
 717       errmsg = insert_normal (cd, fields->f_rc2, 0, 0, 6, 1, 32, total_length, buffer);
 718       break;
 719     case MT_OPERAND_RC3 :
 720       errmsg = insert_normal (cd, fields->f_rc3, 0, 0, 7, 1, 32, total_length, buffer);
 721       break;
 722     case MT_OPERAND_RCNUM :
 723       errmsg = insert_normal (cd, fields->f_rcnum, 0, 0, 14, 3, 32, total_length, buffer);
 724       break;
 725     case MT_OPERAND_RDA :
 726       errmsg = insert_normal (cd, fields->f_rda, 0, 0, 25, 1, 32, total_length, buffer);
 727       break;
 728     case MT_OPERAND_ROWNUM :
 729       errmsg = insert_normal (cd, fields->f_rownum, 0, 0, 14, 3, 32, total_length, buffer);
 730       break;
 731     case MT_OPERAND_ROWNUM1 :
 732       errmsg = insert_normal (cd, fields->f_rownum1, 0, 0, 12, 3, 32, total_length, buffer);
 733       break;
 734     case MT_OPERAND_ROWNUM2 :
 735       errmsg = insert_normal (cd, fields->f_rownum2, 0, 0, 9, 3, 32, total_length, buffer);
 736       break;
 737     case MT_OPERAND_SIZE :
 738       errmsg = insert_normal (cd, fields->f_size, 0, 0, 13, 14, 32, total_length, buffer);
 739       break;
 740     case MT_OPERAND_TYPE :
 741       errmsg = insert_normal (cd, fields->f_type, 0, 0, 21, 2, 32, total_length, buffer);
 742       break;
 743     case MT_OPERAND_WR :
 744       errmsg = insert_normal (cd, fields->f_wr, 0, 0, 24, 1, 32, total_length, buffer);
 745       break;
 746     case MT_OPERAND_XMODE :
 747       errmsg = insert_normal (cd, fields->f_xmode, 0, 0, 23, 1, 32, total_length, buffer);
 748       break;
 749
 750     default :
 751       /* xgettext:c-format */
 752       fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
 753                opindex);
 754       abort ();
 755   }
 756
 757   return errmsg;
 758 }
 759
 760 int mt_cgen_extract_operand
 761   (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
 762
 763 /* Main entry point for operand extraction.
 764    The result is <= 0 for error, >0 for success.
 765    ??? Actual values aren't well defined right now.
 766
 767    This function is basically just a big switch statement.  Earlier versions
 768    used tables to look up the function to use, but
 769    - if the table contains both assembler and disassembler functions then
 770      the disassembler contains much of the assembler and vice-versa,
 771    - there's a lot of inlining possibilities as things grow,
 772    - using a switch statement avoids the function call overhead.
 773
 774    This function could be moved into `print_insn_normal', but keeping it
 775    separate makes clear the interface between `print_insn_normal' and each of
 776    the handlers.  */
 777
 778 int
 779 mt_cgen_extract_operand (CGEN_CPU_DESC cd,
 780                              int opindex,
 781                              CGEN_EXTRACT_INFO *ex_info,
 782                              CGEN_INSN_INT insn_value,
 783                              CGEN_FIELDS * fields,
 784                              bfd_vma pc)
 785 {
 786   /* Assume success (for those operands that are nops).  */
 787   int length = 1;
 788   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 789
 790   switch (opindex)
 791     {
 792     case MT_OPERAND_A23 :
 793       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 1, 32, total_length, pc, & fields->f_a23);
 794       break;
 795     case MT_OPERAND_BALL :
 796       length = extract_normal (cd, ex_info, insn_value, 0, 0, 19, 1, 32, total_length, pc, & fields->f_ball);
 797       break;
 798     case MT_OPERAND_BALL2 :
 799       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 1, 32, total_length, pc, & fields->f_ball2);
 800       break;
 801     case MT_OPERAND_BANKADDR :
 802       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 13, 32, total_length, pc, & fields->f_bankaddr);
 803       break;
 804     case MT_OPERAND_BRC :
 805       length = extract_normal (cd, ex_info, insn_value, 0, 0, 18, 3, 32, total_length, pc, & fields->f_brc);
 806       break;
 807     case MT_OPERAND_BRC2 :
 808       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 3, 32, total_length, pc, & fields->f_brc2);
 809       break;
 810     case MT_OPERAND_CB1INCR :
 811       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 19, 6, 32, total_length, pc, & fields->f_cb1incr);
 812       break;
 813     case MT_OPERAND_CB1SEL :
 814       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 3, 32, total_length, pc, & fields->f_cb1sel);
 815       break;
 816     case MT_OPERAND_CB2INCR :
 817       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 13, 6, 32, total_length, pc, & fields->f_cb2incr);
 818       break;
 819     case MT_OPERAND_CB2SEL :
 820       length = extract_normal (cd, ex_info, insn_value, 0, 0, 22, 3, 32, total_length, pc, & fields->f_cb2sel);
 821       break;
 822     case MT_OPERAND_CBRB :
 823       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 1, 32, total_length, pc, & fields->f_cbrb);
 824       break;
 825     case MT_OPERAND_CBS :
 826       length = extract_normal (cd, ex_info, insn_value, 0, 0, 19, 2, 32, total_length, pc, & fields->f_cbs);
 827       break;
 828     case MT_OPERAND_CBX :
 829       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 3, 32, total_length, pc, & fields->f_cbx);
 830       break;
 831     case MT_OPERAND_CCB :
 832       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 1, 32, total_length, pc, & fields->f_ccb);
 833       break;
 834     case MT_OPERAND_CDB :
 835       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 1, 32, total_length, pc, & fields->f_cdb);
 836       break;
 837     case MT_OPERAND_CELL :
 838       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_cell);
 839       break;
 840     case MT_OPERAND_COLNUM :
 841       length = extract_normal (cd, ex_info, insn_value, 0, 0, 18, 3, 32, total_length, pc, & fields->f_colnum);
 842       break;
 843     case MT_OPERAND_CONTNUM :
 844       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_contnum);
 845       break;
 846     case MT_OPERAND_CR :
 847       length = extract_normal (cd, ex_info, insn_value, 0, 0, 22, 3, 32, total_length, pc, & fields->f_cr);
 848       break;
 849     case MT_OPERAND_CTXDISP :
 850       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 6, 32, total_length, pc, & fields->f_ctxdisp);
 851       break;
 852     case MT_OPERAND_DUP :
 853       length = extract_normal (cd, ex_info, insn_value, 0, 0, 6, 1, 32, total_length, pc, & fields->f_dup);
 854       break;
 855     case MT_OPERAND_FBDISP :
 856       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 6, 32, total_length, pc, & fields->f_fbdisp);
 857       break;
 858     case MT_OPERAND_FBINCR :
 859       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 4, 32, total_length, pc, & fields->f_fbincr);
 860       break;
 861     case MT_OPERAND_FRDR :
 862       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 19, 4, 32, total_length, pc, & fields->f_dr);
 863       break;
 864     case MT_OPERAND_FRDRRR :
 865       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 4, 32, total_length, pc, & fields->f_drrr);
 866       break;
 867     case MT_OPERAND_FRSR1 :
 868       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 23, 4, 32, total_length, pc, & fields->f_sr1);
 869       break;
 870     case MT_OPERAND_FRSR2 :
 871       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 19, 4, 32, total_length, pc, & fields->f_sr2);
 872       break;
 873     case MT_OPERAND_ID :
 874       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 1, 32, total_length, pc, & fields->f_id);
 875       break;
 876     case MT_OPERAND_IMM16 :
 877       {
 878         long value;
 879         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & value);
 880         value = ((value) + (0));
 881         fields->f_imm16s = value;
 882       }
 883       break;
 884     case MT_OPERAND_IMM16L :
 885       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 16, 32, total_length, pc, & fields->f_imm16l);
 886       break;
 887     case MT_OPERAND_IMM16O :
 888       {
 889         long value;
 890         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & value);
 891         value = ((value) + (0));
 892         fields->f_imm16s = value;
 893       }
 894       break;
 895     case MT_OPERAND_IMM16Z :
 896       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm16u);
 897       break;
 898     case MT_OPERAND_INCAMT :
 899       length = extract_normal (cd, ex_info, insn_value, 0, 0, 19, 8, 32, total_length, pc, & fields->f_incamt);
 900       break;
 901     case MT_OPERAND_INCR :
 902       length = extract_normal (cd, ex_info, insn_value, 0, 0, 17, 6, 32, total_length, pc, & fields->f_incr);
 903       break;
 904     case MT_OPERAND_LENGTH :
 905       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_length);
 906       break;
 907     case MT_OPERAND_LOOPSIZE :
 908       {
 909         long value;
 910         length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 8, 32, total_length, pc, & value);
 911         value = ((((value) << (2))) + (8));
 912         fields->f_loopo = value;
 913       }
 914       break;
 915     case MT_OPERAND_MASK :
 916       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 16, 32, total_length, pc, & fields->f_mask);
 917       break;
 918     case MT_OPERAND_MASK1 :
 919       length = extract_normal (cd, ex_info, insn_value, 0, 0, 22, 3, 32, total_length, pc, & fields->f_mask1);
 920       break;
 921     case MT_OPERAND_MODE :
 922       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 2, 32, total_length, pc, & fields->f_mode);
 923       break;
 924     case MT_OPERAND_PERM :
 925       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 2, 32, total_length, pc, & fields->f_perm);
 926       break;
 927     case MT_OPERAND_RBBC :
 928       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 2, 32, total_length, pc, & fields->f_rbbc);
 929       break;
 930     case MT_OPERAND_RC :
 931       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 1, 32, total_length, pc, & fields->f_rc);
 932       break;
 933     case MT_OPERAND_RC1 :
 934       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 1, 32, total_length, pc, & fields->f_rc1);
 935       break;
 936     case MT_OPERAND_RC2 :
 937       length = extract_normal (cd, ex_info, insn_value, 0, 0, 6, 1, 32, total_length, pc, & fields->f_rc2);
 938       break;
 939     case MT_OPERAND_RC3 :
 940       length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 1, 32, total_length, pc, & fields->f_rc3);
 941       break;
 942     case MT_OPERAND_RCNUM :
 943       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 3, 32, total_length, pc, & fields->f_rcnum);
 944       break;
 945     case MT_OPERAND_RDA :
 946       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 1, 32, total_length, pc, & fields->f_rda);
 947       break;
 948     case MT_OPERAND_ROWNUM :
 949       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 3, 32, total_length, pc, & fields->f_rownum);
 950       break;
 951     case MT_OPERAND_ROWNUM1 :
 952       length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_rownum1);
 953       break;
 954     case MT_OPERAND_ROWNUM2 :
 955       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_rownum2);
 956       break;
 957     case MT_OPERAND_SIZE :
 958       length = extract_normal (cd, ex_info, insn_value, 0, 0, 13, 14, 32, total_length, pc, & fields->f_size);
 959       break;
 960     case MT_OPERAND_TYPE :
 961       length = extract_normal (cd, ex_info, insn_value, 0, 0, 21, 2, 32, total_length, pc, & fields->f_type);
 962       break;
 963     case MT_OPERAND_WR :
 964       length = extract_normal (cd, ex_info, insn_value, 0, 0, 24, 1, 32, total_length, pc, & fields->f_wr);
 965       break;
 966     case MT_OPERAND_XMODE :
 967       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 1, 32, total_length, pc, & fields->f_xmode);
 968       break;
 969
 970     default :
 971       /* xgettext:c-format */
 972       fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
 973                opindex);
 974       abort ();
 975     }
 976
 977   return length;
 978 }
 979
 980 cgen_insert_fn * const mt_cgen_insert_handlers[] =
 981 {
 982   insert_insn_normal,
 983 };
 984
 985 cgen_extract_fn * const mt_cgen_extract_handlers[] =
 986 {
 987   extract_insn_normal,
 988 };
 989
 990 int mt_cgen_get_int_operand     (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 991 bfd_vma mt_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 992
 993 /* Getting values from cgen_fields is handled by a collection of functions.
 994    They are distinguished by the type of the VALUE argument they return.
 995    TODO: floating point, inlining support, remove cases where result type
 996    not appropriate.  */
 997
 998 int
 999 mt_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1000                              int opindex,
1001                              const CGEN_FIELDS * fields)
1002 {
1003   int value;
1004
1005   switch (opindex)
1006     {
1007     case MT_OPERAND_A23 :
1008       value = fields->f_a23;
1009       break;
1010     case MT_OPERAND_BALL :
1011       value = fields->f_ball;
1012       break;
1013     case MT_OPERAND_BALL2 :
1014       value = fields->f_ball2;
1015       break;
1016     case MT_OPERAND_BANKADDR :
1017       value = fields->f_bankaddr;
1018       break;
1019     case MT_OPERAND_BRC :
1020       value = fields->f_brc;
1021       break;
1022     case MT_OPERAND_BRC2 :
1023       value = fields->f_brc2;
1024       break;
1025     case MT_OPERAND_CB1INCR :
1026       value = fields->f_cb1incr;
1027       break;
1028     case MT_OPERAND_CB1SEL :
1029       value = fields->f_cb1sel;
1030       break;
1031     case MT_OPERAND_CB2INCR :
1032       value = fields->f_cb2incr;
1033       break;
1034     case MT_OPERAND_CB2SEL :
1035       value = fields->f_cb2sel;
1036       break;
1037     case MT_OPERAND_CBRB :
1038       value = fields->f_cbrb;
1039       break;
1040     case MT_OPERAND_CBS :
1041       value = fields->f_cbs;
1042       break;
1043     case MT_OPERAND_CBX :
1044       value = fields->f_cbx;
1045       break;
1046     case MT_OPERAND_CCB :
1047       value = fields->f_ccb;
1048       break;
1049     case MT_OPERAND_CDB :
1050       value = fields->f_cdb;
1051       break;
1052     case MT_OPERAND_CELL :
1053       value = fields->f_cell;
1054       break;
1055     case MT_OPERAND_COLNUM :
1056       value = fields->f_colnum;
1057       break;
1058     case MT_OPERAND_CONTNUM :
1059       value = fields->f_contnum;
1060       break;
1061     case MT_OPERAND_CR :
1062       value = fields->f_cr;
1063       break;
1064     case MT_OPERAND_CTXDISP :
1065       value = fields->f_ctxdisp;
1066       break;
1067     case MT_OPERAND_DUP :
1068       value = fields->f_dup;
1069       break;
1070     case MT_OPERAND_FBDISP :
1071       value = fields->f_fbdisp;
1072       break;
1073     case MT_OPERAND_FBINCR :
1074       value = fields->f_fbincr;
1075       break;
1076     case MT_OPERAND_FRDR :
1077       value = fields->f_dr;
1078       break;
1079     case MT_OPERAND_FRDRRR :
1080       value = fields->f_drrr;
1081       break;
1082     case MT_OPERAND_FRSR1 :
1083       value = fields->f_sr1;
1084       break;
1085     case MT_OPERAND_FRSR2 :
1086       value = fields->f_sr2;
1087       break;
1088     case MT_OPERAND_ID :
1089       value = fields->f_id;
1090       break;
1091     case MT_OPERAND_IMM16 :
1092       value = fields->f_imm16s;
1093       break;
1094     case MT_OPERAND_IMM16L :
1095       value = fields->f_imm16l;
1096       break;
1097     case MT_OPERAND_IMM16O :
1098       value = fields->f_imm16s;
1099       break;
1100     case MT_OPERAND_IMM16Z :
1101       value = fields->f_imm16u;
1102       break;
1103     case MT_OPERAND_INCAMT :
1104       value = fields->f_incamt;
1105       break;
1106     case MT_OPERAND_INCR :
1107       value = fields->f_incr;
1108       break;
1109     case MT_OPERAND_LENGTH :
1110       value = fields->f_length;
1111       break;
1112     case MT_OPERAND_LOOPSIZE :
1113       value = fields->f_loopo;
1114       break;
1115     case MT_OPERAND_MASK :
1116       value = fields->f_mask;
1117       break;
1118     case MT_OPERAND_MASK1 :
1119       value = fields->f_mask1;
1120       break;
1121     case MT_OPERAND_MODE :
1122       value = fields->f_mode;
1123       break;
1124     case MT_OPERAND_PERM :
1125       value = fields->f_perm;
1126       break;
1127     case MT_OPERAND_RBBC :
1128       value = fields->f_rbbc;
1129       break;
1130     case MT_OPERAND_RC :
1131       value = fields->f_rc;
1132       break;
1133     case MT_OPERAND_RC1 :
1134       value = fields->f_rc1;
1135       break;
1136     case MT_OPERAND_RC2 :
1137       value = fields->f_rc2;
1138       break;
1139     case MT_OPERAND_RC3 :
1140       value = fields->f_rc3;
1141       break;
1142     case MT_OPERAND_RCNUM :
1143       value = fields->f_rcnum;
1144       break;
1145     case MT_OPERAND_RDA :
1146       value = fields->f_rda;
1147       break;
1148     case MT_OPERAND_ROWNUM :
1149       value = fields->f_rownum;
1150       break;
1151     case MT_OPERAND_ROWNUM1 :
1152       value = fields->f_rownum1;
1153       break;
1154     case MT_OPERAND_ROWNUM2 :
1155       value = fields->f_rownum2;
1156       break;
1157     case MT_OPERAND_SIZE :
1158       value = fields->f_size;
1159       break;
1160     case MT_OPERAND_TYPE :
1161       value = fields->f_type;
1162       break;
1163     case MT_OPERAND_WR :
1164       value = fields->f_wr;
1165       break;
1166     case MT_OPERAND_XMODE :
1167       value = fields->f_xmode;
1168       break;
1169
1170     default :
1171       /* xgettext:c-format */
1172       fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
1173                        opindex);
1174       abort ();
1175   }
1176
1177   return value;
1178 }
1179
1180 bfd_vma
1181 mt_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1182                              int opindex,
1183                              const CGEN_FIELDS * fields)
1184 {
1185   bfd_vma value;
1186
1187   switch (opindex)
1188     {
1189     case MT_OPERAND_A23 :
1190       value = fields->f_a23;
1191       break;
1192     case MT_OPERAND_BALL :
1193       value = fields->f_ball;
1194       break;
1195     case MT_OPERAND_BALL2 :
1196       value = fields->f_ball2;
1197       break;
1198     case MT_OPERAND_BANKADDR :
1199       value = fields->f_bankaddr;
1200       break;
1201     case MT_OPERAND_BRC :
1202       value = fields->f_brc;
1203       break;
1204     case MT_OPERAND_BRC2 :
1205       value = fields->f_brc2;
1206       break;
1207     case MT_OPERAND_CB1INCR :
1208       value = fields->f_cb1incr;
1209       break;
1210     case MT_OPERAND_CB1SEL :
1211       value = fields->f_cb1sel;
1212       break;
1213     case MT_OPERAND_CB2INCR :
1214       value = fields->f_cb2incr;
1215       break;
1216     case MT_OPERAND_CB2SEL :
1217       value = fields->f_cb2sel;
1218       break;
1219     case MT_OPERAND_CBRB :
1220       value = fields->f_cbrb;
1221       break;
1222     case MT_OPERAND_CBS :
1223       value = fields->f_cbs;
1224       break;
1225     case MT_OPERAND_CBX :
1226       value = fields->f_cbx;
1227       break;
1228     case MT_OPERAND_CCB :
1229       value = fields->f_ccb;
1230       break;
1231     case MT_OPERAND_CDB :
1232       value = fields->f_cdb;
1233       break;
1234     case MT_OPERAND_CELL :
1235       value = fields->f_cell;
1236       break;
1237     case MT_OPERAND_COLNUM :
1238       value = fields->f_colnum;
1239       break;
1240     case MT_OPERAND_CONTNUM :
1241       value = fields->f_contnum;
1242       break;
1243     case MT_OPERAND_CR :
1244       value = fields->f_cr;
1245       break;
1246     case MT_OPERAND_CTXDISP :
1247       value = fields->f_ctxdisp;
1248       break;
1249     case MT_OPERAND_DUP :
1250       value = fields->f_dup;
1251       break;
1252     case MT_OPERAND_FBDISP :
1253       value = fields->f_fbdisp;
1254       break;
1255     case MT_OPERAND_FBINCR :
1256       value = fields->f_fbincr;
1257       break;
1258     case MT_OPERAND_FRDR :
1259       value = fields->f_dr;
1260       break;
1261     case MT_OPERAND_FRDRRR :
1262       value = fields->f_drrr;
1263       break;
1264     case MT_OPERAND_FRSR1 :
1265       value = fields->f_sr1;
1266       break;
1267     case MT_OPERAND_FRSR2 :
1268       value = fields->f_sr2;
1269       break;
1270     case MT_OPERAND_ID :
1271       value = fields->f_id;
1272       break;
1273     case MT_OPERAND_IMM16 :
1274       value = fields->f_imm16s;
1275       break;
1276     case MT_OPERAND_IMM16L :
1277       value = fields->f_imm16l;
1278       break;
1279     case MT_OPERAND_IMM16O :
1280       value = fields->f_imm16s;
1281       break;
1282     case MT_OPERAND_IMM16Z :
1283       value = fields->f_imm16u;
1284       break;
1285     case MT_OPERAND_INCAMT :
1286       value = fields->f_incamt;
1287       break;
1288     case MT_OPERAND_INCR :
1289       value = fields->f_incr;
1290       break;
1291     case MT_OPERAND_LENGTH :
1292       value = fields->f_length;
1293       break;
1294     case MT_OPERAND_LOOPSIZE :
1295       value = fields->f_loopo;
1296       break;
1297     case MT_OPERAND_MASK :
1298       value = fields->f_mask;
1299       break;
1300     case MT_OPERAND_MASK1 :
1301       value = fields->f_mask1;
1302       break;
1303     case MT_OPERAND_MODE :
1304       value = fields->f_mode;
1305       break;
1306     case MT_OPERAND_PERM :
1307       value = fields->f_perm;
1308       break;
1309     case MT_OPERAND_RBBC :
1310       value = fields->f_rbbc;
1311       break;
1312     case MT_OPERAND_RC :
1313       value = fields->f_rc;
1314       break;
1315     case MT_OPERAND_RC1 :
1316       value = fields->f_rc1;
1317       break;
1318     case MT_OPERAND_RC2 :
1319       value = fields->f_rc2;
1320       break;
1321     case MT_OPERAND_RC3 :
1322       value = fields->f_rc3;
1323       break;
1324     case MT_OPERAND_RCNUM :
1325       value = fields->f_rcnum;
1326       break;
1327     case MT_OPERAND_RDA :
1328       value = fields->f_rda;
1329       break;
1330     case MT_OPERAND_ROWNUM :
1331       value = fields->f_rownum;
1332       break;
1333     case MT_OPERAND_ROWNUM1 :
1334       value = fields->f_rownum1;
1335       break;
1336     case MT_OPERAND_ROWNUM2 :
1337       value = fields->f_rownum2;
1338       break;
1339     case MT_OPERAND_SIZE :
1340       value = fields->f_size;
1341       break;
1342     case MT_OPERAND_TYPE :
1343       value = fields->f_type;
1344       break;
1345     case MT_OPERAND_WR :
1346       value = fields->f_wr;
1347       break;
1348     case MT_OPERAND_XMODE :
1349       value = fields->f_xmode;
1350       break;
1351
1352     default :
1353       /* xgettext:c-format */
1354       fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
1355                        opindex);
1356       abort ();
1357   }
1358
1359   return value;
1360 }
1361
1362 void mt_cgen_set_int_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
1363 void mt_cgen_set_vma_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
1364
1365 /* Stuffing values in cgen_fields is handled by a collection of functions.
1366    They are distinguished by the type of the VALUE argument they accept.
1367    TODO: floating point, inlining support, remove cases where argument type
1368    not appropriate.  */
1369
1370 void
1371 mt_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1372                              int opindex,
1373                              CGEN_FIELDS * fields,
1374                              int value)
1375 {
1376   switch (opindex)
1377     {
1378     case MT_OPERAND_A23 :
1379       fields->f_a23 = value;
1380       break;
1381     case MT_OPERAND_BALL :
1382       fields->f_ball = value;
1383       break;
1384     case MT_OPERAND_BALL2 :
1385       fields->f_ball2 = value;
1386       break;
1387     case MT_OPERAND_BANKADDR :
1388       fields->f_bankaddr = value;
1389       break;
1390     case MT_OPERAND_BRC :
1391       fields->f_brc = value;
1392       break;
1393     case MT_OPERAND_BRC2 :
1394       fields->f_brc2 = value;
1395       break;
1396     case MT_OPERAND_CB1INCR :
1397       fields->f_cb1incr = value;
1398       break;
1399     case MT_OPERAND_CB1SEL :
1400       fields->f_cb1sel = value;
1401       break;
1402     case MT_OPERAND_CB2INCR :
1403       fields->f_cb2incr = value;
1404       break;
1405     case MT_OPERAND_CB2SEL :
1406       fields->f_cb2sel = value;
1407       break;
1408     case MT_OPERAND_CBRB :
1409       fields->f_cbrb = value;
1410       break;
1411     case MT_OPERAND_CBS :
1412       fields->f_cbs = value;
1413       break;
1414     case MT_OPERAND_CBX :
1415       fields->f_cbx = value;
1416       break;
1417     case MT_OPERAND_CCB :
1418       fields->f_ccb = value;
1419       break;
1420     case MT_OPERAND_CDB :
1421       fields->f_cdb = value;
1422       break;
1423     case MT_OPERAND_CELL :
1424       fields->f_cell = value;
1425       break;
1426     case MT_OPERAND_COLNUM :
1427       fields->f_colnum = value;
1428       break;
1429     case MT_OPERAND_CONTNUM :
1430       fields->f_contnum = value;
1431       break;
1432     case MT_OPERAND_CR :
1433       fields->f_cr = value;
1434       break;
1435     case MT_OPERAND_CTXDISP :
1436       fields->f_ctxdisp = value;
1437       break;
1438     case MT_OPERAND_DUP :
1439       fields->f_dup = value;
1440       break;
1441     case MT_OPERAND_FBDISP :
1442       fields->f_fbdisp = value;
1443       break;
1444     case MT_OPERAND_FBINCR :
1445       fields->f_fbincr = value;
1446       break;
1447     case MT_OPERAND_FRDR :
1448       fields->f_dr = value;
1449       break;
1450     case MT_OPERAND_FRDRRR :
1451       fields->f_drrr = value;
1452       break;
1453     case MT_OPERAND_FRSR1 :
1454       fields->f_sr1 = value;
1455       break;
1456     case MT_OPERAND_FRSR2 :
1457       fields->f_sr2 = value;
1458       break;
1459     case MT_OPERAND_ID :
1460       fields->f_id = value;
1461       break;
1462     case MT_OPERAND_IMM16 :
1463       fields->f_imm16s = value;
1464       break;
1465     case MT_OPERAND_IMM16L :
1466       fields->f_imm16l = value;
1467       break;
1468     case MT_OPERAND_IMM16O :
1469       fields->f_imm16s = value;
1470       break;
1471     case MT_OPERAND_IMM16Z :
1472       fields->f_imm16u = value;
1473       break;
1474     case MT_OPERAND_INCAMT :
1475       fields->f_incamt = value;
1476       break;
1477     case MT_OPERAND_INCR :
1478       fields->f_incr = value;
1479       break;
1480     case MT_OPERAND_LENGTH :
1481       fields->f_length = value;
1482       break;
1483     case MT_OPERAND_LOOPSIZE :
1484       fields->f_loopo = value;
1485       break;
1486     case MT_OPERAND_MASK :
1487       fields->f_mask = value;
1488       break;
1489     case MT_OPERAND_MASK1 :
1490       fields->f_mask1 = value;
1491       break;
1492     case MT_OPERAND_MODE :
1493       fields->f_mode = value;
1494       break;
1495     case MT_OPERAND_PERM :
1496       fields->f_perm = value;
1497       break;
1498     case MT_OPERAND_RBBC :
1499       fields->f_rbbc = value;
1500       break;
1501     case MT_OPERAND_RC :
1502       fields->f_rc = value;
1503       break;
1504     case MT_OPERAND_RC1 :
1505       fields->f_rc1 = value;
1506       break;
1507     case MT_OPERAND_RC2 :
1508       fields->f_rc2 = value;
1509       break;
1510     case MT_OPERAND_RC3 :
1511       fields->f_rc3 = value;
1512       break;
1513     case MT_OPERAND_RCNUM :
1514       fields->f_rcnum = value;
1515       break;
1516     case MT_OPERAND_RDA :
1517       fields->f_rda = value;
1518       break;
1519     case MT_OPERAND_ROWNUM :
1520       fields->f_rownum = value;
1521       break;
1522     case MT_OPERAND_ROWNUM1 :
1523       fields->f_rownum1 = value;
1524       break;
1525     case MT_OPERAND_ROWNUM2 :
1526       fields->f_rownum2 = value;
1527       break;
1528     case MT_OPERAND_SIZE :
1529       fields->f_size = value;
1530       break;
1531     case MT_OPERAND_TYPE :
1532       fields->f_type = value;
1533       break;
1534     case MT_OPERAND_WR :
1535       fields->f_wr = value;
1536       break;
1537     case MT_OPERAND_XMODE :
1538       fields->f_xmode = value;
1539       break;
1540
1541     default :
1542       /* xgettext:c-format */
1543       fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
1544                        opindex);
1545       abort ();
1546   }
1547 }
1548
1549 void
1550 mt_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1551                              int opindex,
1552                              CGEN_FIELDS * fields,
1553                              bfd_vma value)
1554 {
1555   switch (opindex)
1556     {
1557     case MT_OPERAND_A23 :
1558       fields->f_a23 = value;
1559       break;
1560     case MT_OPERAND_BALL :
1561       fields->f_ball = value;
1562       break;
1563     case MT_OPERAND_BALL2 :
1564       fields->f_ball2 = value;
1565       break;
1566     case MT_OPERAND_BANKADDR :
1567       fields->f_bankaddr = value;
1568       break;
1569     case MT_OPERAND_BRC :
1570       fields->f_brc = value;
1571       break;
1572     case MT_OPERAND_BRC2 :
1573       fields->f_brc2 = value;
1574       break;
1575     case MT_OPERAND_CB1INCR :
1576       fields->f_cb1incr = value;
1577       break;
1578     case MT_OPERAND_CB1SEL :
1579       fields->f_cb1sel = value;
1580       break;
1581     case MT_OPERAND_CB2INCR :
1582       fields->f_cb2incr = value;
1583       break;
1584     case MT_OPERAND_CB2SEL :
1585       fields->f_cb2sel = value;
1586       break;
1587     case MT_OPERAND_CBRB :
1588       fields->f_cbrb = value;
1589       break;
1590     case MT_OPERAND_CBS :
1591       fields->f_cbs = value;
1592       break;
1593     case MT_OPERAND_CBX :
1594       fields->f_cbx = value;
1595       break;
1596     case MT_OPERAND_CCB :
1597       fields->f_ccb = value;
1598       break;
1599     case MT_OPERAND_CDB :
1600       fields->f_cdb = value;
1601       break;
1602     case MT_OPERAND_CELL :
1603       fields->f_cell = value;
1604       break;
1605     case MT_OPERAND_COLNUM :
1606       fields->f_colnum = value;
1607       break;
1608     case MT_OPERAND_CONTNUM :
1609       fields->f_contnum = value;
1610       break;
1611     case MT_OPERAND_CR :
1612       fields->f_cr = value;
1613       break;
1614     case MT_OPERAND_CTXDISP :
1615       fields->f_ctxdisp = value;
1616       break;
1617     case MT_OPERAND_DUP :
1618       fields->f_dup = value;
1619       break;
1620     case MT_OPERAND_FBDISP :
1621       fields->f_fbdisp = value;
1622       break;
1623     case MT_OPERAND_FBINCR :
1624       fields->f_fbincr = value;
1625       break;
1626     case MT_OPERAND_FRDR :
1627       fields->f_dr = value;
1628       break;
1629     case MT_OPERAND_FRDRRR :
1630       fields->f_drrr = value;
1631       break;
1632     case MT_OPERAND_FRSR1 :
1633       fields->f_sr1 = value;
1634       break;
1635     case MT_OPERAND_FRSR2 :
1636       fields->f_sr2 = value;
1637       break;
1638     case MT_OPERAND_ID :
1639       fields->f_id = value;
1640       break;
1641     case MT_OPERAND_IMM16 :
1642       fields->f_imm16s = value;
1643       break;
1644     case MT_OPERAND_IMM16L :
1645       fields->f_imm16l = value;
1646       break;
1647     case MT_OPERAND_IMM16O :
1648       fields->f_imm16s = value;
1649       break;
1650     case MT_OPERAND_IMM16Z :
1651       fields->f_imm16u = value;
1652       break;
1653     case MT_OPERAND_INCAMT :
1654       fields->f_incamt = value;
1655       break;
1656     case MT_OPERAND_INCR :
1657       fields->f_incr = value;
1658       break;
1659     case MT_OPERAND_LENGTH :
1660       fields->f_length = value;
1661       break;
1662     case MT_OPERAND_LOOPSIZE :
1663       fields->f_loopo = value;
1664       break;
1665     case MT_OPERAND_MASK :
1666       fields->f_mask = value;
1667       break;
1668     case MT_OPERAND_MASK1 :
1669       fields->f_mask1 = value;
1670       break;
1671     case MT_OPERAND_MODE :
1672       fields->f_mode = value;
1673       break;
1674     case MT_OPERAND_PERM :
1675       fields->f_perm = value;
1676       break;
1677     case MT_OPERAND_RBBC :
1678       fields->f_rbbc = value;
1679       break;
1680     case MT_OPERAND_RC :
1681       fields->f_rc = value;
1682       break;
1683     case MT_OPERAND_RC1 :
1684       fields->f_rc1 = value;
1685       break;
1686     case MT_OPERAND_RC2 :
1687       fields->f_rc2 = value;
1688       break;
1689     case MT_OPERAND_RC3 :
1690       fields->f_rc3 = value;
1691       break;
1692     case MT_OPERAND_RCNUM :
1693       fields->f_rcnum = value;
1694       break;
1695     case MT_OPERAND_RDA :
1696       fields->f_rda = value;
1697       break;
1698     case MT_OPERAND_ROWNUM :
1699       fields->f_rownum = value;
1700       break;
1701     case MT_OPERAND_ROWNUM1 :
1702       fields->f_rownum1 = value;
1703       break;
1704     case MT_OPERAND_ROWNUM2 :
1705       fields->f_rownum2 = value;
1706       break;
1707     case MT_OPERAND_SIZE :
1708       fields->f_size = value;
1709       break;
1710     case MT_OPERAND_TYPE :
1711       fields->f_type = value;
1712       break;
1713     case MT_OPERAND_WR :
1714       fields->f_wr = value;
1715       break;
1716     case MT_OPERAND_XMODE :
1717       fields->f_xmode = value;
1718       break;
1719
1720     default :
1721       /* xgettext:c-format */
1722       fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
1723                        opindex);
1724       abort ();
1725   }
1726 }
1727
1728 /* Function to call before using the instruction builder tables.  */
1729
1730 void
1731 mt_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1732 {
1733   cd->insert_handlers = & mt_cgen_insert_handlers[0];
1734   cd->extract_handlers = & mt_cgen_extract_handlers[0];
1735
1736   cd->insert_operand = mt_cgen_insert_operand;
1737   cd->extract_operand = mt_cgen_extract_operand;
1738
1739   cd->get_int_operand = mt_cgen_get_int_operand;
1740   cd->set_int_operand = mt_cgen_set_int_operand;
1741   cd->get_vma_operand = mt_cgen_get_vma_operand;
1742   cd->set_vma_operand = mt_cgen_set_vma_operand;
1743 }