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 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2006, 2007,
   7    2008, 2010  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 "mt-desc.h"
  35 #include "mt-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;
 212
 213     if (CGEN_INSN_LSB0_P)
 214       shift = (word_offset + start + 1) - length;
 215     else
 216       shift = total_length - (word_offset + start + length);
 217     *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
 218   }
 219
 220 #else /* ! CGEN_INT_INSN_P */
 221
 222   {
 223     unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
 224
 225     insert_1 (cd, value, start, length, word_length, bufp);
 226   }
 227
 228 #endif /* ! CGEN_INT_INSN_P */
 229
 230   return NULL;
 231 }
 232
 233 /* Default insn builder (insert handler).
 234    The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
 235    that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
 236    recorded in host byte order, otherwise BUFFER is an array of bytes
 237    and the value is recorded in target byte order).
 238    The result is an error message or NULL if success.  */
 239
 240 static const char *
 241 insert_insn_normal (CGEN_CPU_DESC cd,
 242                     const CGEN_INSN * insn,
 243                     CGEN_FIELDS * fields,
 244                     CGEN_INSN_BYTES_PTR buffer,
 245                     bfd_vma pc)
 246 {
 247   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 248   unsigned long value;
 249   const CGEN_SYNTAX_CHAR_TYPE * syn;
 250
 251   CGEN_INIT_INSERT (cd);
 252   value = CGEN_INSN_BASE_VALUE (insn);
 253
 254   /* If we're recording insns as numbers (rather than a string of bytes),
 255      target byte order handling is deferred until later.  */
 256
 257 #if CGEN_INT_INSN_P
 258
 259   put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
 260                       CGEN_FIELDS_BITSIZE (fields), value);
 261
 262 #else
 263
 264   cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
 265                                         (unsigned) CGEN_FIELDS_BITSIZE (fields)),
 266                        value);
 267
 268 #endif /* ! CGEN_INT_INSN_P */
 269
 270   /* ??? It would be better to scan the format's fields.
 271      Still need to be able to insert a value based on the operand though;
 272      e.g. storing a branch displacement that got resolved later.
 273      Needs more thought first.  */
 274
 275   for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
 276     {
 277       const char *errmsg;
 278
 279       if (CGEN_SYNTAX_CHAR_P (* syn))
 280         continue;
 281
 282       errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 283                                        fields, buffer, pc);
 284       if (errmsg)
 285         return errmsg;
 286     }
 287
 288   return NULL;
 289 }
 290
 291 #if CGEN_INT_INSN_P
 292 /* Cover function to store an insn value into an integral insn.  Must go here
 293    because it needs <prefix>-desc.h for CGEN_INT_INSN_P.  */
 294
 295 static void
 296 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 297                     CGEN_INSN_BYTES_PTR buf,
 298                     int length,
 299                     int insn_length,
 300                     CGEN_INSN_INT value)
 301 {
 302   /* For architectures with insns smaller than the base-insn-bitsize,
 303      length may be too big.  */
 304   if (length > insn_length)
 305     *buf = value;
 306   else
 307     {
 308       int shift = insn_length - length;
 309       /* Written this way to avoid undefined behaviour.  */
 310       CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
 311
 312       *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
 313     }
 314 }
 315 #endif
 316 \f
 317 /* Operand extraction.  */
 318
 319 #if ! CGEN_INT_INSN_P
 320
 321 /* Subroutine of extract_normal.
 322    Ensure sufficient bytes are cached in EX_INFO.
 323    OFFSET is the offset in bytes from the start of the insn of the value.
 324    BYTES is the length of the needed value.
 325    Returns 1 for success, 0 for failure.  */
 326
 327 static CGEN_INLINE int
 328 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 329             CGEN_EXTRACT_INFO *ex_info,
 330             int offset,
 331             int bytes,
 332             bfd_vma pc)
 333 {
 334   /* It's doubtful that the middle part has already been fetched so
 335      we don't optimize that case.  kiss.  */
 336   unsigned int mask;
 337   disassemble_info *info = (disassemble_info *) ex_info->dis_info;
 338
 339   /* First do a quick check.  */
 340   mask = (1 << bytes) - 1;
 341   if (((ex_info->valid >> offset) & mask) == mask)
 342     return 1;
 343
 344   /* Search for the first byte we need to read.  */
 345   for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
 346     if (! (mask & ex_info->valid))
 347       break;
 348
 349   if (bytes)
 350     {
 351       int status;
 352
 353       pc += offset;
 354       status = (*info->read_memory_func)
 355         (pc, ex_info->insn_bytes + offset, bytes, info);
 356
 357       if (status != 0)
 358         {
 359           (*info->memory_error_func) (status, pc, info);
 360           return 0;
 361         }
 362
 363       ex_info->valid |= ((1 << bytes) - 1) << offset;
 364     }
 365
 366   return 1;
 367 }
 368
 369 /* Subroutine of extract_normal.  */
 370
 371 static CGEN_INLINE long
 372 extract_1 (CGEN_CPU_DESC cd,
 373            CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 374            int start,
 375            int length,
 376            int word_length,
 377            unsigned char *bufp,
 378            bfd_vma pc ATTRIBUTE_UNUSED)
 379 {
 380   unsigned long x;
 381   int shift;
 382
 383   x = cgen_get_insn_value (cd, bufp, word_length);
 384
 385   if (CGEN_INSN_LSB0_P)
 386     shift = (start + 1) - length;
 387   else
 388     shift = (word_length - (start + length));
 389   return x >> shift;
 390 }
 391
 392 #endif /* ! CGEN_INT_INSN_P */
 393
 394 /* Default extraction routine.
 395
 396    INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
 397    or sometimes less for cases like the m32r where the base insn size is 32
 398    but some insns are 16 bits.
 399    ATTRS is a mask of the boolean attributes.  We only need `SIGNED',
 400    but for generality we take a bitmask of all of them.
 401    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 402    WORD_LENGTH is the length of the word in bits in which the value resides.
 403    START is the starting bit number in the word, architecture origin.
 404    LENGTH is the length of VALUE in bits.
 405    TOTAL_LENGTH is the total length of the insn in bits.
 406
 407    Returns 1 for success, 0 for failure.  */
 408
 409 /* ??? The return code isn't properly used.  wip.  */
 410
 411 /* ??? This doesn't handle bfd_vma's.  Create another function when
 412    necessary.  */
 413
 414 static int
 415 extract_normal (CGEN_CPU_DESC cd,
 416 #if ! CGEN_INT_INSN_P
 417                 CGEN_EXTRACT_INFO *ex_info,
 418 #else
 419                 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 420 #endif
 421                 CGEN_INSN_INT insn_value,
 422                 unsigned int attrs,
 423                 unsigned int word_offset,
 424                 unsigned int start,
 425                 unsigned int length,
 426                 unsigned int word_length,
 427                 unsigned int total_length,
 428 #if ! CGEN_INT_INSN_P
 429                 bfd_vma pc,
 430 #else
 431                 bfd_vma pc ATTRIBUTE_UNUSED,
 432 #endif
 433                 long *valuep)
 434 {
 435   long value, mask;
 436
 437   /* If LENGTH is zero, this operand doesn't contribute to the value
 438      so give it a standard value of zero.  */
 439   if (length == 0)
 440     {
 441       *valuep = 0;
 442       return 1;
 443     }
 444
 445   if (word_length > 8 * sizeof (CGEN_INSN_INT))
 446     abort ();
 447
 448   /* For architectures with insns smaller than the insn-base-bitsize,
 449      word_length may be too big.  */
 450   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 451     {
 452       if (word_offset + word_length > total_length)
 453         word_length = total_length - word_offset;
 454     }
 455
 456   /* Does the value reside in INSN_VALUE, and at the right alignment?  */
 457
 458   if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
 459     {
 460       if (CGEN_INSN_LSB0_P)
 461         value = insn_value >> ((word_offset + start + 1) - length);
 462       else
 463         value = insn_value >> (total_length - ( word_offset + start + length));
 464     }
 465
 466 #if ! CGEN_INT_INSN_P
 467
 468   else
 469     {
 470       unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
 471
 472       if (word_length > 8 * sizeof (CGEN_INSN_INT))
 473         abort ();
 474
 475       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
 476         return 0;
 477
 478       value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
 479     }
 480
 481 #endif /* ! CGEN_INT_INSN_P */
 482
 483   /* Written this way to avoid undefined behaviour.  */
 484   mask = (((1L << (length - 1)) - 1) << 1) | 1;
 485
 486   value &= mask;
 487   /* sign extend? */
 488   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
 489       && (value & (1L << (length - 1))))
 490     value |= ~mask;
 491
 492   *valuep = value;
 493
 494   return 1;
 495 }
 496
 497 /* Default insn extractor.
 498
 499    INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
 500    The extracted fields are stored in FIELDS.
 501    EX_INFO is used to handle reading variable length insns.
 502    Return the length of the insn in bits, or 0 if no match,
 503    or -1 if an error occurs fetching data (memory_error_func will have
 504    been called).  */
 505
 506 static int
 507 extract_insn_normal (CGEN_CPU_DESC cd,
 508                      const CGEN_INSN *insn,
 509                      CGEN_EXTRACT_INFO *ex_info,
 510                      CGEN_INSN_INT insn_value,
 511                      CGEN_FIELDS *fields,
 512                      bfd_vma pc)
 513 {
 514   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 515   const CGEN_SYNTAX_CHAR_TYPE *syn;
 516
 517   CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
 518
 519   CGEN_INIT_EXTRACT (cd);
 520
 521   for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
 522     {
 523       int length;
 524
 525       if (CGEN_SYNTAX_CHAR_P (*syn))
 526         continue;
 527
 528       length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 529                                         ex_info, insn_value, fields, pc);
 530       if (length <= 0)
 531         return length;
 532     }
 533
 534   /* We recognized and successfully extracted this insn.  */
 535   return CGEN_INSN_BITSIZE (insn);
 536 }
 537 \f
 538 /* Machine generated code added here.  */
 539
 540 const char * mt_cgen_insert_operand
 541   (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
 542
 543 /* Main entry point for operand insertion.
 544
 545    This function is basically just a big switch statement.  Earlier versions
 546    used tables to look up the function to use, but
 547    - if the table contains both assembler and disassembler functions then
 548      the disassembler contains much of the assembler and vice-versa,
 549    - there's a lot of inlining possibilities as things grow,
 550    - using a switch statement avoids the function call overhead.
 551
 552    This function could be moved into `parse_insn_normal', but keeping it
 553    separate makes clear the interface between `parse_insn_normal' and each of
 554    the handlers.  It's also needed by GAS to insert operands that couldn't be
 555    resolved during parsing.  */
 556
 557 const char *
 558 mt_cgen_insert_operand (CGEN_CPU_DESC cd,
 559                              int opindex,
 560                              CGEN_FIELDS * fields,
 561                              CGEN_INSN_BYTES_PTR buffer,
 562                              bfd_vma pc ATTRIBUTE_UNUSED)
 563 {
 564   const char * errmsg = NULL;
 565   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 566
 567   switch (opindex)
 568     {
 569     case MT_OPERAND_A23 :
 570       errmsg = insert_normal (cd, fields->f_a23, 0, 0, 23, 1, 32, total_length, buffer);
 571       break;
 572     case MT_OPERAND_BALL :
 573       errmsg = insert_normal (cd, fields->f_ball, 0, 0, 19, 1, 32, total_length, buffer);
 574       break;
 575     case MT_OPERAND_BALL2 :
 576       errmsg = insert_normal (cd, fields->f_ball2, 0, 0, 15, 1, 32, total_length, buffer);
 577       break;
 578     case MT_OPERAND_BANKADDR :
 579       errmsg = insert_normal (cd, fields->f_bankaddr, 0, 0, 25, 13, 32, total_length, buffer);
 580       break;
 581     case MT_OPERAND_BRC :
 582       errmsg = insert_normal (cd, fields->f_brc, 0, 0, 18, 3, 32, total_length, buffer);
 583       break;
 584     case MT_OPERAND_BRC2 :
 585       errmsg = insert_normal (cd, fields->f_brc2, 0, 0, 14, 3, 32, total_length, buffer);
 586       break;
 587     case MT_OPERAND_CB1INCR :
 588       errmsg = insert_normal (cd, fields->f_cb1incr, 0|(1<<CGEN_IFLD_SIGNED), 0, 19, 6, 32, total_length, buffer);
 589       break;
 590     case MT_OPERAND_CB1SEL :
 591       errmsg = insert_normal (cd, fields->f_cb1sel, 0, 0, 25, 3, 32, total_length, buffer);
 592       break;
 593     case MT_OPERAND_CB2INCR :
 594       errmsg = insert_normal (cd, fields->f_cb2incr, 0|(1<<CGEN_IFLD_SIGNED), 0, 13, 6, 32, total_length, buffer);
 595       break;
 596     case MT_OPERAND_CB2SEL :
 597       errmsg = insert_normal (cd, fields->f_cb2sel, 0, 0, 22, 3, 32, total_length, buffer);
 598       break;
 599     case MT_OPERAND_CBRB :
 600       errmsg = insert_normal (cd, fields->f_cbrb, 0, 0, 10, 1, 32, total_length, buffer);
 601       break;
 602     case MT_OPERAND_CBS :
 603       errmsg = insert_normal (cd, fields->f_cbs, 0, 0, 19, 2, 32, total_length, buffer);
 604       break;
 605     case MT_OPERAND_CBX :
 606       errmsg = insert_normal (cd, fields->f_cbx, 0, 0, 14, 3, 32, total_length, buffer);
 607       break;
 608     case MT_OPERAND_CCB :
 609       errmsg = insert_normal (cd, fields->f_ccb, 0, 0, 11, 1, 32, total_length, buffer);
 610       break;
 611     case MT_OPERAND_CDB :
 612       errmsg = insert_normal (cd, fields->f_cdb, 0, 0, 10, 1, 32, total_length, buffer);
 613       break;
 614     case MT_OPERAND_CELL :
 615       errmsg = insert_normal (cd, fields->f_cell, 0, 0, 9, 3, 32, total_length, buffer);
 616       break;
 617     case MT_OPERAND_COLNUM :
 618       errmsg = insert_normal (cd, fields->f_colnum, 0, 0, 18, 3, 32, total_length, buffer);
 619       break;
 620     case MT_OPERAND_CONTNUM :
 621       errmsg = insert_normal (cd, fields->f_contnum, 0, 0, 8, 9, 32, total_length, buffer);
 622       break;
 623     case MT_OPERAND_CR :
 624       errmsg = insert_normal (cd, fields->f_cr, 0, 0, 22, 3, 32, total_length, buffer);
 625       break;
 626     case MT_OPERAND_CTXDISP :
 627       errmsg = insert_normal (cd, fields->f_ctxdisp, 0, 0, 5, 6, 32, total_length, buffer);
 628       break;
 629     case MT_OPERAND_DUP :
 630       errmsg = insert_normal (cd, fields->f_dup, 0, 0, 6, 1, 32, total_length, buffer);
 631       break;
 632     case MT_OPERAND_FBDISP :
 633       errmsg = insert_normal (cd, fields->f_fbdisp, 0, 0, 15, 6, 32, total_length, buffer);
 634       break;
 635     case MT_OPERAND_FBINCR :
 636       errmsg = insert_normal (cd, fields->f_fbincr, 0, 0, 23, 4, 32, total_length, buffer);
 637       break;
 638     case MT_OPERAND_FRDR :
 639       errmsg = insert_normal (cd, fields->f_dr, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 19, 4, 32, total_length, buffer);
 640       break;
 641     case MT_OPERAND_FRDRRR :
 642       errmsg = insert_normal (cd, fields->f_drrr, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 4, 32, total_length, buffer);
 643       break;
 644     case MT_OPERAND_FRSR1 :
 645       errmsg = insert_normal (cd, fields->f_sr1, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 23, 4, 32, total_length, buffer);
 646       break;
 647     case MT_OPERAND_FRSR2 :
 648       errmsg = insert_normal (cd, fields->f_sr2, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 19, 4, 32, total_length, buffer);
 649       break;
 650     case MT_OPERAND_ID :
 651       errmsg = insert_normal (cd, fields->f_id, 0, 0, 14, 1, 32, total_length, buffer);
 652       break;
 653     case MT_OPERAND_IMM16 :
 654       {
 655         long value = fields->f_imm16s;
 656         value = ((value) + (0));
 657         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
 658       }
 659       break;
 660     case MT_OPERAND_IMM16L :
 661       errmsg = insert_normal (cd, fields->f_imm16l, 0, 0, 23, 16, 32, total_length, buffer);
 662       break;
 663     case MT_OPERAND_IMM16O :
 664       {
 665         long value = fields->f_imm16s;
 666         value = ((value) + (0));
 667         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
 668       }
 669       break;
 670     case MT_OPERAND_IMM16Z :
 671       errmsg = insert_normal (cd, fields->f_imm16u, 0, 0, 15, 16, 32, total_length, buffer);
 672       break;
 673     case MT_OPERAND_INCAMT :
 674       errmsg = insert_normal (cd, fields->f_incamt, 0, 0, 19, 8, 32, total_length, buffer);
 675       break;
 676     case MT_OPERAND_INCR :
 677       errmsg = insert_normal (cd, fields->f_incr, 0, 0, 17, 6, 32, total_length, buffer);
 678       break;
 679     case MT_OPERAND_LENGTH :
 680       errmsg = insert_normal (cd, fields->f_length, 0, 0, 15, 3, 32, total_length, buffer);
 681       break;
 682     case MT_OPERAND_LOOPSIZE :
 683       {
 684         long value = fields->f_loopo;
 685         value = ((USI) (value) >> (2));
 686         errmsg = insert_normal (cd, value, 0, 0, 7, 8, 32, total_length, buffer);
 687       }
 688       break;
 689     case MT_OPERAND_MASK :
 690       errmsg = insert_normal (cd, fields->f_mask, 0, 0, 25, 16, 32, total_length, buffer);
 691       break;
 692     case MT_OPERAND_MASK1 :
 693       errmsg = insert_normal (cd, fields->f_mask1, 0, 0, 22, 3, 32, total_length, buffer);
 694       break;
 695     case MT_OPERAND_MODE :
 696       errmsg = insert_normal (cd, fields->f_mode, 0, 0, 25, 2, 32, total_length, buffer);
 697       break;
 698     case MT_OPERAND_PERM :
 699       errmsg = insert_normal (cd, fields->f_perm, 0, 0, 25, 2, 32, total_length, buffer);
 700       break;
 701     case MT_OPERAND_RBBC :
 702       errmsg = insert_normal (cd, fields->f_rbbc, 0, 0, 25, 2, 32, total_length, buffer);
 703       break;
 704     case MT_OPERAND_RC :
 705       errmsg = insert_normal (cd, fields->f_rc, 0, 0, 15, 1, 32, total_length, buffer);
 706       break;
 707     case MT_OPERAND_RC1 :
 708       errmsg = insert_normal (cd, fields->f_rc1, 0, 0, 11, 1, 32, total_length, buffer);
 709       break;
 710     case MT_OPERAND_RC2 :
 711       errmsg = insert_normal (cd, fields->f_rc2, 0, 0, 6, 1, 32, total_length, buffer);
 712       break;
 713     case MT_OPERAND_RC3 :
 714       errmsg = insert_normal (cd, fields->f_rc3, 0, 0, 7, 1, 32, total_length, buffer);
 715       break;
 716     case MT_OPERAND_RCNUM :
 717       errmsg = insert_normal (cd, fields->f_rcnum, 0, 0, 14, 3, 32, total_length, buffer);
 718       break;
 719     case MT_OPERAND_RDA :
 720       errmsg = insert_normal (cd, fields->f_rda, 0, 0, 25, 1, 32, total_length, buffer);
 721       break;
 722     case MT_OPERAND_ROWNUM :
 723       errmsg = insert_normal (cd, fields->f_rownum, 0, 0, 14, 3, 32, total_length, buffer);
 724       break;
 725     case MT_OPERAND_ROWNUM1 :
 726       errmsg = insert_normal (cd, fields->f_rownum1, 0, 0, 12, 3, 32, total_length, buffer);
 727       break;
 728     case MT_OPERAND_ROWNUM2 :
 729       errmsg = insert_normal (cd, fields->f_rownum2, 0, 0, 9, 3, 32, total_length, buffer);
 730       break;
 731     case MT_OPERAND_SIZE :
 732       errmsg = insert_normal (cd, fields->f_size, 0, 0, 13, 14, 32, total_length, buffer);
 733       break;
 734     case MT_OPERAND_TYPE :
 735       errmsg = insert_normal (cd, fields->f_type, 0, 0, 21, 2, 32, total_length, buffer);
 736       break;
 737     case MT_OPERAND_WR :
 738       errmsg = insert_normal (cd, fields->f_wr, 0, 0, 24, 1, 32, total_length, buffer);
 739       break;
 740     case MT_OPERAND_XMODE :
 741       errmsg = insert_normal (cd, fields->f_xmode, 0, 0, 23, 1, 32, total_length, buffer);
 742       break;
 743
 744     default :
 745       /* xgettext:c-format */
 746       fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
 747                opindex);
 748       abort ();
 749   }
 750
 751   return errmsg;
 752 }
 753
 754 int mt_cgen_extract_operand
 755   (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
 756
 757 /* Main entry point for operand extraction.
 758    The result is <= 0 for error, >0 for success.
 759    ??? Actual values aren't well defined right now.
 760
 761    This function is basically just a big switch statement.  Earlier versions
 762    used tables to look up the function to use, but
 763    - if the table contains both assembler and disassembler functions then
 764      the disassembler contains much of the assembler and vice-versa,
 765    - there's a lot of inlining possibilities as things grow,
 766    - using a switch statement avoids the function call overhead.
 767
 768    This function could be moved into `print_insn_normal', but keeping it
 769    separate makes clear the interface between `print_insn_normal' and each of
 770    the handlers.  */
 771
 772 int
 773 mt_cgen_extract_operand (CGEN_CPU_DESC cd,
 774                              int opindex,
 775                              CGEN_EXTRACT_INFO *ex_info,
 776                              CGEN_INSN_INT insn_value,
 777                              CGEN_FIELDS * fields,
 778                              bfd_vma pc)
 779 {
 780   /* Assume success (for those operands that are nops).  */
 781   int length = 1;
 782   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 783
 784   switch (opindex)
 785     {
 786     case MT_OPERAND_A23 :
 787       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 1, 32, total_length, pc, & fields->f_a23);
 788       break;
 789     case MT_OPERAND_BALL :
 790       length = extract_normal (cd, ex_info, insn_value, 0, 0, 19, 1, 32, total_length, pc, & fields->f_ball);
 791       break;
 792     case MT_OPERAND_BALL2 :
 793       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 1, 32, total_length, pc, & fields->f_ball2);
 794       break;
 795     case MT_OPERAND_BANKADDR :
 796       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 13, 32, total_length, pc, & fields->f_bankaddr);
 797       break;
 798     case MT_OPERAND_BRC :
 799       length = extract_normal (cd, ex_info, insn_value, 0, 0, 18, 3, 32, total_length, pc, & fields->f_brc);
 800       break;
 801     case MT_OPERAND_BRC2 :
 802       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 3, 32, total_length, pc, & fields->f_brc2);
 803       break;
 804     case MT_OPERAND_CB1INCR :
 805       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 19, 6, 32, total_length, pc, & fields->f_cb1incr);
 806       break;
 807     case MT_OPERAND_CB1SEL :
 808       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 3, 32, total_length, pc, & fields->f_cb1sel);
 809       break;
 810     case MT_OPERAND_CB2INCR :
 811       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 13, 6, 32, total_length, pc, & fields->f_cb2incr);
 812       break;
 813     case MT_OPERAND_CB2SEL :
 814       length = extract_normal (cd, ex_info, insn_value, 0, 0, 22, 3, 32, total_length, pc, & fields->f_cb2sel);
 815       break;
 816     case MT_OPERAND_CBRB :
 817       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 1, 32, total_length, pc, & fields->f_cbrb);
 818       break;
 819     case MT_OPERAND_CBS :
 820       length = extract_normal (cd, ex_info, insn_value, 0, 0, 19, 2, 32, total_length, pc, & fields->f_cbs);
 821       break;
 822     case MT_OPERAND_CBX :
 823       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 3, 32, total_length, pc, & fields->f_cbx);
 824       break;
 825     case MT_OPERAND_CCB :
 826       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 1, 32, total_length, pc, & fields->f_ccb);
 827       break;
 828     case MT_OPERAND_CDB :
 829       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 1, 32, total_length, pc, & fields->f_cdb);
 830       break;
 831     case MT_OPERAND_CELL :
 832       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_cell);
 833       break;
 834     case MT_OPERAND_COLNUM :
 835       length = extract_normal (cd, ex_info, insn_value, 0, 0, 18, 3, 32, total_length, pc, & fields->f_colnum);
 836       break;
 837     case MT_OPERAND_CONTNUM :
 838       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_contnum);
 839       break;
 840     case MT_OPERAND_CR :
 841       length = extract_normal (cd, ex_info, insn_value, 0, 0, 22, 3, 32, total_length, pc, & fields->f_cr);
 842       break;
 843     case MT_OPERAND_CTXDISP :
 844       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 6, 32, total_length, pc, & fields->f_ctxdisp);
 845       break;
 846     case MT_OPERAND_DUP :
 847       length = extract_normal (cd, ex_info, insn_value, 0, 0, 6, 1, 32, total_length, pc, & fields->f_dup);
 848       break;
 849     case MT_OPERAND_FBDISP :
 850       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 6, 32, total_length, pc, & fields->f_fbdisp);
 851       break;
 852     case MT_OPERAND_FBINCR :
 853       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 4, 32, total_length, pc, & fields->f_fbincr);
 854       break;
 855     case MT_OPERAND_FRDR :
 856       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 19, 4, 32, total_length, pc, & fields->f_dr);
 857       break;
 858     case MT_OPERAND_FRDRRR :
 859       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 4, 32, total_length, pc, & fields->f_drrr);
 860       break;
 861     case MT_OPERAND_FRSR1 :
 862       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 23, 4, 32, total_length, pc, & fields->f_sr1);
 863       break;
 864     case MT_OPERAND_FRSR2 :
 865       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 19, 4, 32, total_length, pc, & fields->f_sr2);
 866       break;
 867     case MT_OPERAND_ID :
 868       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 1, 32, total_length, pc, & fields->f_id);
 869       break;
 870     case MT_OPERAND_IMM16 :
 871       {
 872         long value;
 873         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & value);
 874         value = ((value) + (0));
 875         fields->f_imm16s = value;
 876       }
 877       break;
 878     case MT_OPERAND_IMM16L :
 879       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 16, 32, total_length, pc, & fields->f_imm16l);
 880       break;
 881     case MT_OPERAND_IMM16O :
 882       {
 883         long value;
 884         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & value);
 885         value = ((value) + (0));
 886         fields->f_imm16s = value;
 887       }
 888       break;
 889     case MT_OPERAND_IMM16Z :
 890       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm16u);
 891       break;
 892     case MT_OPERAND_INCAMT :
 893       length = extract_normal (cd, ex_info, insn_value, 0, 0, 19, 8, 32, total_length, pc, & fields->f_incamt);
 894       break;
 895     case MT_OPERAND_INCR :
 896       length = extract_normal (cd, ex_info, insn_value, 0, 0, 17, 6, 32, total_length, pc, & fields->f_incr);
 897       break;
 898     case MT_OPERAND_LENGTH :
 899       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_length);
 900       break;
 901     case MT_OPERAND_LOOPSIZE :
 902       {
 903         long value;
 904         length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 8, 32, total_length, pc, & value);
 905         value = ((((value) << (2))) + (8));
 906         fields->f_loopo = value;
 907       }
 908       break;
 909     case MT_OPERAND_MASK :
 910       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 16, 32, total_length, pc, & fields->f_mask);
 911       break;
 912     case MT_OPERAND_MASK1 :
 913       length = extract_normal (cd, ex_info, insn_value, 0, 0, 22, 3, 32, total_length, pc, & fields->f_mask1);
 914       break;
 915     case MT_OPERAND_MODE :
 916       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 2, 32, total_length, pc, & fields->f_mode);
 917       break;
 918     case MT_OPERAND_PERM :
 919       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 2, 32, total_length, pc, & fields->f_perm);
 920       break;
 921     case MT_OPERAND_RBBC :
 922       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 2, 32, total_length, pc, & fields->f_rbbc);
 923       break;
 924     case MT_OPERAND_RC :
 925       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 1, 32, total_length, pc, & fields->f_rc);
 926       break;
 927     case MT_OPERAND_RC1 :
 928       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 1, 32, total_length, pc, & fields->f_rc1);
 929       break;
 930     case MT_OPERAND_RC2 :
 931       length = extract_normal (cd, ex_info, insn_value, 0, 0, 6, 1, 32, total_length, pc, & fields->f_rc2);
 932       break;
 933     case MT_OPERAND_RC3 :
 934       length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 1, 32, total_length, pc, & fields->f_rc3);
 935       break;
 936     case MT_OPERAND_RCNUM :
 937       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 3, 32, total_length, pc, & fields->f_rcnum);
 938       break;
 939     case MT_OPERAND_RDA :
 940       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 1, 32, total_length, pc, & fields->f_rda);
 941       break;
 942     case MT_OPERAND_ROWNUM :
 943       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 3, 32, total_length, pc, & fields->f_rownum);
 944       break;
 945     case MT_OPERAND_ROWNUM1 :
 946       length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_rownum1);
 947       break;
 948     case MT_OPERAND_ROWNUM2 :
 949       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_rownum2);
 950       break;
 951     case MT_OPERAND_SIZE :
 952       length = extract_normal (cd, ex_info, insn_value, 0, 0, 13, 14, 32, total_length, pc, & fields->f_size);
 953       break;
 954     case MT_OPERAND_TYPE :
 955       length = extract_normal (cd, ex_info, insn_value, 0, 0, 21, 2, 32, total_length, pc, & fields->f_type);
 956       break;
 957     case MT_OPERAND_WR :
 958       length = extract_normal (cd, ex_info, insn_value, 0, 0, 24, 1, 32, total_length, pc, & fields->f_wr);
 959       break;
 960     case MT_OPERAND_XMODE :
 961       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 1, 32, total_length, pc, & fields->f_xmode);
 962       break;
 963
 964     default :
 965       /* xgettext:c-format */
 966       fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
 967                opindex);
 968       abort ();
 969     }
 970
 971   return length;
 972 }
 973
 974 cgen_insert_fn * const mt_cgen_insert_handlers[] =
 975 {
 976   insert_insn_normal,
 977 };
 978
 979 cgen_extract_fn * const mt_cgen_extract_handlers[] =
 980 {
 981   extract_insn_normal,
 982 };
 983
 984 int mt_cgen_get_int_operand     (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 985 bfd_vma mt_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 986
 987 /* Getting values from cgen_fields is handled by a collection of functions.
 988    They are distinguished by the type of the VALUE argument they return.
 989    TODO: floating point, inlining support, remove cases where result type
 990    not appropriate.  */
 991
 992 int
 993 mt_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 994                              int opindex,
 995                              const CGEN_FIELDS * fields)
 996 {
 997   int value;
 998
 999   switch (opindex)
1000     {
1001     case MT_OPERAND_A23 :
1002       value = fields->f_a23;
1003       break;
1004     case MT_OPERAND_BALL :
1005       value = fields->f_ball;
1006       break;
1007     case MT_OPERAND_BALL2 :
1008       value = fields->f_ball2;
1009       break;
1010     case MT_OPERAND_BANKADDR :
1011       value = fields->f_bankaddr;
1012       break;
1013     case MT_OPERAND_BRC :
1014       value = fields->f_brc;
1015       break;
1016     case MT_OPERAND_BRC2 :
1017       value = fields->f_brc2;
1018       break;
1019     case MT_OPERAND_CB1INCR :
1020       value = fields->f_cb1incr;
1021       break;
1022     case MT_OPERAND_CB1SEL :
1023       value = fields->f_cb1sel;
1024       break;
1025     case MT_OPERAND_CB2INCR :
1026       value = fields->f_cb2incr;
1027       break;
1028     case MT_OPERAND_CB2SEL :
1029       value = fields->f_cb2sel;
1030       break;
1031     case MT_OPERAND_CBRB :
1032       value = fields->f_cbrb;
1033       break;
1034     case MT_OPERAND_CBS :
1035       value = fields->f_cbs;
1036       break;
1037     case MT_OPERAND_CBX :
1038       value = fields->f_cbx;
1039       break;
1040     case MT_OPERAND_CCB :
1041       value = fields->f_ccb;
1042       break;
1043     case MT_OPERAND_CDB :
1044       value = fields->f_cdb;
1045       break;
1046     case MT_OPERAND_CELL :
1047       value = fields->f_cell;
1048       break;
1049     case MT_OPERAND_COLNUM :
1050       value = fields->f_colnum;
1051       break;
1052     case MT_OPERAND_CONTNUM :
1053       value = fields->f_contnum;
1054       break;
1055     case MT_OPERAND_CR :
1056       value = fields->f_cr;
1057       break;
1058     case MT_OPERAND_CTXDISP :
1059       value = fields->f_ctxdisp;
1060       break;
1061     case MT_OPERAND_DUP :
1062       value = fields->f_dup;
1063       break;
1064     case MT_OPERAND_FBDISP :
1065       value = fields->f_fbdisp;
1066       break;
1067     case MT_OPERAND_FBINCR :
1068       value = fields->f_fbincr;
1069       break;
1070     case MT_OPERAND_FRDR :
1071       value = fields->f_dr;
1072       break;
1073     case MT_OPERAND_FRDRRR :
1074       value = fields->f_drrr;
1075       break;
1076     case MT_OPERAND_FRSR1 :
1077       value = fields->f_sr1;
1078       break;
1079     case MT_OPERAND_FRSR2 :
1080       value = fields->f_sr2;
1081       break;
1082     case MT_OPERAND_ID :
1083       value = fields->f_id;
1084       break;
1085     case MT_OPERAND_IMM16 :
1086       value = fields->f_imm16s;
1087       break;
1088     case MT_OPERAND_IMM16L :
1089       value = fields->f_imm16l;
1090       break;
1091     case MT_OPERAND_IMM16O :
1092       value = fields->f_imm16s;
1093       break;
1094     case MT_OPERAND_IMM16Z :
1095       value = fields->f_imm16u;
1096       break;
1097     case MT_OPERAND_INCAMT :
1098       value = fields->f_incamt;
1099       break;
1100     case MT_OPERAND_INCR :
1101       value = fields->f_incr;
1102       break;
1103     case MT_OPERAND_LENGTH :
1104       value = fields->f_length;
1105       break;
1106     case MT_OPERAND_LOOPSIZE :
1107       value = fields->f_loopo;
1108       break;
1109     case MT_OPERAND_MASK :
1110       value = fields->f_mask;
1111       break;
1112     case MT_OPERAND_MASK1 :
1113       value = fields->f_mask1;
1114       break;
1115     case MT_OPERAND_MODE :
1116       value = fields->f_mode;
1117       break;
1118     case MT_OPERAND_PERM :
1119       value = fields->f_perm;
1120       break;
1121     case MT_OPERAND_RBBC :
1122       value = fields->f_rbbc;
1123       break;
1124     case MT_OPERAND_RC :
1125       value = fields->f_rc;
1126       break;
1127     case MT_OPERAND_RC1 :
1128       value = fields->f_rc1;
1129       break;
1130     case MT_OPERAND_RC2 :
1131       value = fields->f_rc2;
1132       break;
1133     case MT_OPERAND_RC3 :
1134       value = fields->f_rc3;
1135       break;
1136     case MT_OPERAND_RCNUM :
1137       value = fields->f_rcnum;
1138       break;
1139     case MT_OPERAND_RDA :
1140       value = fields->f_rda;
1141       break;
1142     case MT_OPERAND_ROWNUM :
1143       value = fields->f_rownum;
1144       break;
1145     case MT_OPERAND_ROWNUM1 :
1146       value = fields->f_rownum1;
1147       break;
1148     case MT_OPERAND_ROWNUM2 :
1149       value = fields->f_rownum2;
1150       break;
1151     case MT_OPERAND_SIZE :
1152       value = fields->f_size;
1153       break;
1154     case MT_OPERAND_TYPE :
1155       value = fields->f_type;
1156       break;
1157     case MT_OPERAND_WR :
1158       value = fields->f_wr;
1159       break;
1160     case MT_OPERAND_XMODE :
1161       value = fields->f_xmode;
1162       break;
1163
1164     default :
1165       /* xgettext:c-format */
1166       fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
1167                        opindex);
1168       abort ();
1169   }
1170
1171   return value;
1172 }
1173
1174 bfd_vma
1175 mt_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1176                              int opindex,
1177                              const CGEN_FIELDS * fields)
1178 {
1179   bfd_vma value;
1180
1181   switch (opindex)
1182     {
1183     case MT_OPERAND_A23 :
1184       value = fields->f_a23;
1185       break;
1186     case MT_OPERAND_BALL :
1187       value = fields->f_ball;
1188       break;
1189     case MT_OPERAND_BALL2 :
1190       value = fields->f_ball2;
1191       break;
1192     case MT_OPERAND_BANKADDR :
1193       value = fields->f_bankaddr;
1194       break;
1195     case MT_OPERAND_BRC :
1196       value = fields->f_brc;
1197       break;
1198     case MT_OPERAND_BRC2 :
1199       value = fields->f_brc2;
1200       break;
1201     case MT_OPERAND_CB1INCR :
1202       value = fields->f_cb1incr;
1203       break;
1204     case MT_OPERAND_CB1SEL :
1205       value = fields->f_cb1sel;
1206       break;
1207     case MT_OPERAND_CB2INCR :
1208       value = fields->f_cb2incr;
1209       break;
1210     case MT_OPERAND_CB2SEL :
1211       value = fields->f_cb2sel;
1212       break;
1213     case MT_OPERAND_CBRB :
1214       value = fields->f_cbrb;
1215       break;
1216     case MT_OPERAND_CBS :
1217       value = fields->f_cbs;
1218       break;
1219     case MT_OPERAND_CBX :
1220       value = fields->f_cbx;
1221       break;
1222     case MT_OPERAND_CCB :
1223       value = fields->f_ccb;
1224       break;
1225     case MT_OPERAND_CDB :
1226       value = fields->f_cdb;
1227       break;
1228     case MT_OPERAND_CELL :
1229       value = fields->f_cell;
1230       break;
1231     case MT_OPERAND_COLNUM :
1232       value = fields->f_colnum;
1233       break;
1234     case MT_OPERAND_CONTNUM :
1235       value = fields->f_contnum;
1236       break;
1237     case MT_OPERAND_CR :
1238       value = fields->f_cr;
1239       break;
1240     case MT_OPERAND_CTXDISP :
1241       value = fields->f_ctxdisp;
1242       break;
1243     case MT_OPERAND_DUP :
1244       value = fields->f_dup;
1245       break;
1246     case MT_OPERAND_FBDISP :
1247       value = fields->f_fbdisp;
1248       break;
1249     case MT_OPERAND_FBINCR :
1250       value = fields->f_fbincr;
1251       break;
1252     case MT_OPERAND_FRDR :
1253       value = fields->f_dr;
1254       break;
1255     case MT_OPERAND_FRDRRR :
1256       value = fields->f_drrr;
1257       break;
1258     case MT_OPERAND_FRSR1 :
1259       value = fields->f_sr1;
1260       break;
1261     case MT_OPERAND_FRSR2 :
1262       value = fields->f_sr2;
1263       break;
1264     case MT_OPERAND_ID :
1265       value = fields->f_id;
1266       break;
1267     case MT_OPERAND_IMM16 :
1268       value = fields->f_imm16s;
1269       break;
1270     case MT_OPERAND_IMM16L :
1271       value = fields->f_imm16l;
1272       break;
1273     case MT_OPERAND_IMM16O :
1274       value = fields->f_imm16s;
1275       break;
1276     case MT_OPERAND_IMM16Z :
1277       value = fields->f_imm16u;
1278       break;
1279     case MT_OPERAND_INCAMT :
1280       value = fields->f_incamt;
1281       break;
1282     case MT_OPERAND_INCR :
1283       value = fields->f_incr;
1284       break;
1285     case MT_OPERAND_LENGTH :
1286       value = fields->f_length;
1287       break;
1288     case MT_OPERAND_LOOPSIZE :
1289       value = fields->f_loopo;
1290       break;
1291     case MT_OPERAND_MASK :
1292       value = fields->f_mask;
1293       break;
1294     case MT_OPERAND_MASK1 :
1295       value = fields->f_mask1;
1296       break;
1297     case MT_OPERAND_MODE :
1298       value = fields->f_mode;
1299       break;
1300     case MT_OPERAND_PERM :
1301       value = fields->f_perm;
1302       break;
1303     case MT_OPERAND_RBBC :
1304       value = fields->f_rbbc;
1305       break;
1306     case MT_OPERAND_RC :
1307       value = fields->f_rc;
1308       break;
1309     case MT_OPERAND_RC1 :
1310       value = fields->f_rc1;
1311       break;
1312     case MT_OPERAND_RC2 :
1313       value = fields->f_rc2;
1314       break;
1315     case MT_OPERAND_RC3 :
1316       value = fields->f_rc3;
1317       break;
1318     case MT_OPERAND_RCNUM :
1319       value = fields->f_rcnum;
1320       break;
1321     case MT_OPERAND_RDA :
1322       value = fields->f_rda;
1323       break;
1324     case MT_OPERAND_ROWNUM :
1325       value = fields->f_rownum;
1326       break;
1327     case MT_OPERAND_ROWNUM1 :
1328       value = fields->f_rownum1;
1329       break;
1330     case MT_OPERAND_ROWNUM2 :
1331       value = fields->f_rownum2;
1332       break;
1333     case MT_OPERAND_SIZE :
1334       value = fields->f_size;
1335       break;
1336     case MT_OPERAND_TYPE :
1337       value = fields->f_type;
1338       break;
1339     case MT_OPERAND_WR :
1340       value = fields->f_wr;
1341       break;
1342     case MT_OPERAND_XMODE :
1343       value = fields->f_xmode;
1344       break;
1345
1346     default :
1347       /* xgettext:c-format */
1348       fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
1349                        opindex);
1350       abort ();
1351   }
1352
1353   return value;
1354 }
1355
1356 void mt_cgen_set_int_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
1357 void mt_cgen_set_vma_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
1358
1359 /* Stuffing values in cgen_fields is handled by a collection of functions.
1360    They are distinguished by the type of the VALUE argument they accept.
1361    TODO: floating point, inlining support, remove cases where argument type
1362    not appropriate.  */
1363
1364 void
1365 mt_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1366                              int opindex,
1367                              CGEN_FIELDS * fields,
1368                              int value)
1369 {
1370   switch (opindex)
1371     {
1372     case MT_OPERAND_A23 :
1373       fields->f_a23 = value;
1374       break;
1375     case MT_OPERAND_BALL :
1376       fields->f_ball = value;
1377       break;
1378     case MT_OPERAND_BALL2 :
1379       fields->f_ball2 = value;
1380       break;
1381     case MT_OPERAND_BANKADDR :
1382       fields->f_bankaddr = value;
1383       break;
1384     case MT_OPERAND_BRC :
1385       fields->f_brc = value;
1386       break;
1387     case MT_OPERAND_BRC2 :
1388       fields->f_brc2 = value;
1389       break;
1390     case MT_OPERAND_CB1INCR :
1391       fields->f_cb1incr = value;
1392       break;
1393     case MT_OPERAND_CB1SEL :
1394       fields->f_cb1sel = value;
1395       break;
1396     case MT_OPERAND_CB2INCR :
1397       fields->f_cb2incr = value;
1398       break;
1399     case MT_OPERAND_CB2SEL :
1400       fields->f_cb2sel = value;
1401       break;
1402     case MT_OPERAND_CBRB :
1403       fields->f_cbrb = value;
1404       break;
1405     case MT_OPERAND_CBS :
1406       fields->f_cbs = value;
1407       break;
1408     case MT_OPERAND_CBX :
1409       fields->f_cbx = value;
1410       break;
1411     case MT_OPERAND_CCB :
1412       fields->f_ccb = value;
1413       break;
1414     case MT_OPERAND_CDB :
1415       fields->f_cdb = value;
1416       break;
1417     case MT_OPERAND_CELL :
1418       fields->f_cell = value;
1419       break;
1420     case MT_OPERAND_COLNUM :
1421       fields->f_colnum = value;
1422       break;
1423     case MT_OPERAND_CONTNUM :
1424       fields->f_contnum = value;
1425       break;
1426     case MT_OPERAND_CR :
1427       fields->f_cr = value;
1428       break;
1429     case MT_OPERAND_CTXDISP :
1430       fields->f_ctxdisp = value;
1431       break;
1432     case MT_OPERAND_DUP :
1433       fields->f_dup = value;
1434       break;
1435     case MT_OPERAND_FBDISP :
1436       fields->f_fbdisp = value;
1437       break;
1438     case MT_OPERAND_FBINCR :
1439       fields->f_fbincr = value;
1440       break;
1441     case MT_OPERAND_FRDR :
1442       fields->f_dr = value;
1443       break;
1444     case MT_OPERAND_FRDRRR :
1445       fields->f_drrr = value;
1446       break;
1447     case MT_OPERAND_FRSR1 :
1448       fields->f_sr1 = value;
1449       break;
1450     case MT_OPERAND_FRSR2 :
1451       fields->f_sr2 = value;
1452       break;
1453     case MT_OPERAND_ID :
1454       fields->f_id = value;
1455       break;
1456     case MT_OPERAND_IMM16 :
1457       fields->f_imm16s = value;
1458       break;
1459     case MT_OPERAND_IMM16L :
1460       fields->f_imm16l = value;
1461       break;
1462     case MT_OPERAND_IMM16O :
1463       fields->f_imm16s = value;
1464       break;
1465     case MT_OPERAND_IMM16Z :
1466       fields->f_imm16u = value;
1467       break;
1468     case MT_OPERAND_INCAMT :
1469       fields->f_incamt = value;
1470       break;
1471     case MT_OPERAND_INCR :
1472       fields->f_incr = value;
1473       break;
1474     case MT_OPERAND_LENGTH :
1475       fields->f_length = value;
1476       break;
1477     case MT_OPERAND_LOOPSIZE :
1478       fields->f_loopo = value;
1479       break;
1480     case MT_OPERAND_MASK :
1481       fields->f_mask = value;
1482       break;
1483     case MT_OPERAND_MASK1 :
1484       fields->f_mask1 = value;
1485       break;
1486     case MT_OPERAND_MODE :
1487       fields->f_mode = value;
1488       break;
1489     case MT_OPERAND_PERM :
1490       fields->f_perm = value;
1491       break;
1492     case MT_OPERAND_RBBC :
1493       fields->f_rbbc = value;
1494       break;
1495     case MT_OPERAND_RC :
1496       fields->f_rc = value;
1497       break;
1498     case MT_OPERAND_RC1 :
1499       fields->f_rc1 = value;
1500       break;
1501     case MT_OPERAND_RC2 :
1502       fields->f_rc2 = value;
1503       break;
1504     case MT_OPERAND_RC3 :
1505       fields->f_rc3 = value;
1506       break;
1507     case MT_OPERAND_RCNUM :
1508       fields->f_rcnum = value;
1509       break;
1510     case MT_OPERAND_RDA :
1511       fields->f_rda = value;
1512       break;
1513     case MT_OPERAND_ROWNUM :
1514       fields->f_rownum = value;
1515       break;
1516     case MT_OPERAND_ROWNUM1 :
1517       fields->f_rownum1 = value;
1518       break;
1519     case MT_OPERAND_ROWNUM2 :
1520       fields->f_rownum2 = value;
1521       break;
1522     case MT_OPERAND_SIZE :
1523       fields->f_size = value;
1524       break;
1525     case MT_OPERAND_TYPE :
1526       fields->f_type = value;
1527       break;
1528     case MT_OPERAND_WR :
1529       fields->f_wr = value;
1530       break;
1531     case MT_OPERAND_XMODE :
1532       fields->f_xmode = value;
1533       break;
1534
1535     default :
1536       /* xgettext:c-format */
1537       fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
1538                        opindex);
1539       abort ();
1540   }
1541 }
1542
1543 void
1544 mt_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1545                              int opindex,
1546                              CGEN_FIELDS * fields,
1547                              bfd_vma value)
1548 {
1549   switch (opindex)
1550     {
1551     case MT_OPERAND_A23 :
1552       fields->f_a23 = value;
1553       break;
1554     case MT_OPERAND_BALL :
1555       fields->f_ball = value;
1556       break;
1557     case MT_OPERAND_BALL2 :
1558       fields->f_ball2 = value;
1559       break;
1560     case MT_OPERAND_BANKADDR :
1561       fields->f_bankaddr = value;
1562       break;
1563     case MT_OPERAND_BRC :
1564       fields->f_brc = value;
1565       break;
1566     case MT_OPERAND_BRC2 :
1567       fields->f_brc2 = value;
1568       break;
1569     case MT_OPERAND_CB1INCR :
1570       fields->f_cb1incr = value;
1571       break;
1572     case MT_OPERAND_CB1SEL :
1573       fields->f_cb1sel = value;
1574       break;
1575     case MT_OPERAND_CB2INCR :
1576       fields->f_cb2incr = value;
1577       break;
1578     case MT_OPERAND_CB2SEL :
1579       fields->f_cb2sel = value;
1580       break;
1581     case MT_OPERAND_CBRB :
1582       fields->f_cbrb = value;
1583       break;
1584     case MT_OPERAND_CBS :
1585       fields->f_cbs = value;
1586       break;
1587     case MT_OPERAND_CBX :
1588       fields->f_cbx = value;
1589       break;
1590     case MT_OPERAND_CCB :
1591       fields->f_ccb = value;
1592       break;
1593     case MT_OPERAND_CDB :
1594       fields->f_cdb = value;
1595       break;
1596     case MT_OPERAND_CELL :
1597       fields->f_cell = value;
1598       break;
1599     case MT_OPERAND_COLNUM :
1600       fields->f_colnum = value;
1601       break;
1602     case MT_OPERAND_CONTNUM :
1603       fields->f_contnum = value;
1604       break;
1605     case MT_OPERAND_CR :
1606       fields->f_cr = value;
1607       break;
1608     case MT_OPERAND_CTXDISP :
1609       fields->f_ctxdisp = value;
1610       break;
1611     case MT_OPERAND_DUP :
1612       fields->f_dup = value;
1613       break;
1614     case MT_OPERAND_FBDISP :
1615       fields->f_fbdisp = value;
1616       break;
1617     case MT_OPERAND_FBINCR :
1618       fields->f_fbincr = value;
1619       break;
1620     case MT_OPERAND_FRDR :
1621       fields->f_dr = value;
1622       break;
1623     case MT_OPERAND_FRDRRR :
1624       fields->f_drrr = value;
1625       break;
1626     case MT_OPERAND_FRSR1 :
1627       fields->f_sr1 = value;
1628       break;
1629     case MT_OPERAND_FRSR2 :
1630       fields->f_sr2 = value;
1631       break;
1632     case MT_OPERAND_ID :
1633       fields->f_id = value;
1634       break;
1635     case MT_OPERAND_IMM16 :
1636       fields->f_imm16s = value;
1637       break;
1638     case MT_OPERAND_IMM16L :
1639       fields->f_imm16l = value;
1640       break;
1641     case MT_OPERAND_IMM16O :
1642       fields->f_imm16s = value;
1643       break;
1644     case MT_OPERAND_IMM16Z :
1645       fields->f_imm16u = value;
1646       break;
1647     case MT_OPERAND_INCAMT :
1648       fields->f_incamt = value;
1649       break;
1650     case MT_OPERAND_INCR :
1651       fields->f_incr = value;
1652       break;
1653     case MT_OPERAND_LENGTH :
1654       fields->f_length = value;
1655       break;
1656     case MT_OPERAND_LOOPSIZE :
1657       fields->f_loopo = value;
1658       break;
1659     case MT_OPERAND_MASK :
1660       fields->f_mask = value;
1661       break;
1662     case MT_OPERAND_MASK1 :
1663       fields->f_mask1 = value;
1664       break;
1665     case MT_OPERAND_MODE :
1666       fields->f_mode = value;
1667       break;
1668     case MT_OPERAND_PERM :
1669       fields->f_perm = value;
1670       break;
1671     case MT_OPERAND_RBBC :
1672       fields->f_rbbc = value;
1673       break;
1674     case MT_OPERAND_RC :
1675       fields->f_rc = value;
1676       break;
1677     case MT_OPERAND_RC1 :
1678       fields->f_rc1 = value;
1679       break;
1680     case MT_OPERAND_RC2 :
1681       fields->f_rc2 = value;
1682       break;
1683     case MT_OPERAND_RC3 :
1684       fields->f_rc3 = value;
1685       break;
1686     case MT_OPERAND_RCNUM :
1687       fields->f_rcnum = value;
1688       break;
1689     case MT_OPERAND_RDA :
1690       fields->f_rda = value;
1691       break;
1692     case MT_OPERAND_ROWNUM :
1693       fields->f_rownum = value;
1694       break;
1695     case MT_OPERAND_ROWNUM1 :
1696       fields->f_rownum1 = value;
1697       break;
1698     case MT_OPERAND_ROWNUM2 :
1699       fields->f_rownum2 = value;
1700       break;
1701     case MT_OPERAND_SIZE :
1702       fields->f_size = value;
1703       break;
1704     case MT_OPERAND_TYPE :
1705       fields->f_type = value;
1706       break;
1707     case MT_OPERAND_WR :
1708       fields->f_wr = value;
1709       break;
1710     case MT_OPERAND_XMODE :
1711       fields->f_xmode = value;
1712       break;
1713
1714     default :
1715       /* xgettext:c-format */
1716       fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
1717                        opindex);
1718       abort ();
1719   }
1720 }
1721
1722 /* Function to call before using the instruction builder tables.  */
1723
1724 void
1725 mt_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1726 {
1727   cd->insert_handlers = & mt_cgen_insert_handlers[0];
1728   cd->extract_handlers = & mt_cgen_extract_handlers[0];
1729
1730   cd->insert_operand = mt_cgen_insert_operand;
1731   cd->extract_operand = mt_cgen_extract_operand;
1732
1733   cd->get_int_operand = mt_cgen_get_int_operand;
1734   cd->set_int_operand = mt_cgen_set_int_operand;
1735   cd->get_vma_operand = mt_cgen_get_vma_operand;
1736   cd->set_vma_operand = mt_cgen_set_vma_operand;
1737 }