opcodes/mt-ibld.c

   1 /* DO NOT EDIT!  -*- buffer-read-only: t -*- vi:set ro:  */
   2 /* Instruction building/extraction support for mt. -*- C -*-
   3
   4    THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
   5    - the resultant file is machine generated, cgen-ibld.in isn't
   6
   7    Copyright (C) 1996-2020 Free Software Foundation, Inc.
   8
   9    This file is part of libopcodes.
  10
  11    This library is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 3, or (at your option)
  14    any later version.
  15
  16    It is distributed in the hope that it will be useful, but WITHOUT
  17    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  18    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  19    License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program; if not, write to the Free Software Foundation, Inc.,
  23    51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  24
  25 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
  26    Keep that in mind.  */
  27
  28 #include "sysdep.h"
  29 #include <stdio.h>
  30 #include "ansidecl.h"
  31 #include "dis-asm.h"
  32 #include "bfd.h"
  33 #include "symcat.h"
  34 #include "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_within_word, shift_to_word, shift;
 212
 213     /* How to shift the value to BIT0 of the word.  */
 214     shift_to_word = total_length - (word_offset + word_length);
 215
 216     /* How to shift the value to the field within the word.  */
 217     if (CGEN_INSN_LSB0_P)
 218       shift_within_word = start + 1 - length;
 219     else
 220       shift_within_word = word_length - start - length;
 221
 222     /* The total SHIFT, then mask in the value.  */
 223     shift = shift_to_word + shift_within_word;
 224     *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
 225   }
 226
 227 #else /* ! CGEN_INT_INSN_P */
 228
 229   {
 230     unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
 231
 232     insert_1 (cd, value, start, length, word_length, bufp);
 233   }
 234
 235 #endif /* ! CGEN_INT_INSN_P */
 236
 237   return NULL;
 238 }
 239
 240 /* Default insn builder (insert handler).
 241    The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
 242    that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
 243    recorded in host byte order, otherwise BUFFER is an array of bytes
 244    and the value is recorded in target byte order).
 245    The result is an error message or NULL if success.  */
 246
 247 static const char *
 248 insert_insn_normal (CGEN_CPU_DESC cd,
 249                     const CGEN_INSN * insn,
 250                     CGEN_FIELDS * fields,
 251                     CGEN_INSN_BYTES_PTR buffer,
 252                     bfd_vma pc)
 253 {
 254   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 255   unsigned long value;
 256   const CGEN_SYNTAX_CHAR_TYPE * syn;
 257
 258   CGEN_INIT_INSERT (cd);
 259   value = CGEN_INSN_BASE_VALUE (insn);
 260
 261   /* If we're recording insns as numbers (rather than a string of bytes),
 262      target byte order handling is deferred until later.  */
 263
 264 #if CGEN_INT_INSN_P
 265
 266   put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
 267                       CGEN_FIELDS_BITSIZE (fields), value);
 268
 269 #else
 270
 271   cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
 272                                         (unsigned) CGEN_FIELDS_BITSIZE (fields)),
 273                        value);
 274
 275 #endif /* ! CGEN_INT_INSN_P */
 276
 277   /* ??? It would be better to scan the format's fields.
 278      Still need to be able to insert a value based on the operand though;
 279      e.g. storing a branch displacement that got resolved later.
 280      Needs more thought first.  */
 281
 282   for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
 283     {
 284       const char *errmsg;
 285
 286       if (CGEN_SYNTAX_CHAR_P (* syn))
 287         continue;
 288
 289       errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 290                                        fields, buffer, pc);
 291       if (errmsg)
 292         return errmsg;
 293     }
 294
 295   return NULL;
 296 }
 297
 298 #if CGEN_INT_INSN_P
 299 /* Cover function to store an insn value into an integral insn.  Must go here
 300    because it needs <prefix>-desc.h for CGEN_INT_INSN_P.  */
 301
 302 static void
 303 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 304                     CGEN_INSN_BYTES_PTR buf,
 305                     int length,
 306                     int insn_length,
 307                     CGEN_INSN_INT value)
 308 {
 309   /* For architectures with insns smaller than the base-insn-bitsize,
 310      length may be too big.  */
 311   if (length > insn_length)
 312     *buf = value;
 313   else
 314     {
 315       int shift = insn_length - length;
 316       /* Written this way to avoid undefined behaviour.  */
 317       CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
 318
 319       *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
 320     }
 321 }
 322 #endif
 323 \f
 324 /* Operand extraction.  */
 325
 326 #if ! CGEN_INT_INSN_P
 327
 328 /* Subroutine of extract_normal.
 329    Ensure sufficient bytes are cached in EX_INFO.
 330    OFFSET is the offset in bytes from the start of the insn of the value.
 331    BYTES is the length of the needed value.
 332    Returns 1 for success, 0 for failure.  */
 333
 334 static CGEN_INLINE int
 335 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 336             CGEN_EXTRACT_INFO *ex_info,
 337             int offset,
 338             int bytes,
 339             bfd_vma pc)
 340 {
 341   /* It's doubtful that the middle part has already been fetched so
 342      we don't optimize that case.  kiss.  */
 343   unsigned int mask;
 344   disassemble_info *info = (disassemble_info *) ex_info->dis_info;
 345
 346   /* First do a quick check.  */
 347   mask = (1 << bytes) - 1;
 348   if (((ex_info->valid >> offset) & mask) == mask)
 349     return 1;
 350
 351   /* Search for the first byte we need to read.  */
 352   for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
 353     if (! (mask & ex_info->valid))
 354       break;
 355
 356   if (bytes)
 357     {
 358       int status;
 359
 360       pc += offset;
 361       status = (*info->read_memory_func)
 362         (pc, ex_info->insn_bytes + offset, bytes, info);
 363
 364       if (status != 0)
 365         {
 366           (*info->memory_error_func) (status, pc, info);
 367           return 0;
 368         }
 369
 370       ex_info->valid |= ((1 << bytes) - 1) << offset;
 371     }
 372
 373   return 1;
 374 }
 375
 376 /* Subroutine of extract_normal.  */
 377
 378 static CGEN_INLINE long
 379 extract_1 (CGEN_CPU_DESC cd,
 380            CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 381            int start,
 382            int length,
 383            int word_length,
 384            unsigned char *bufp,
 385            bfd_vma pc ATTRIBUTE_UNUSED)
 386 {
 387   unsigned long x;
 388   int shift;
 389
 390   x = cgen_get_insn_value (cd, bufp, word_length);
 391
 392   if (CGEN_INSN_LSB0_P)
 393     shift = (start + 1) - length;
 394   else
 395     shift = (word_length - (start + length));
 396   return x >> shift;
 397 }
 398
 399 #endif /* ! CGEN_INT_INSN_P */
 400
 401 /* Default extraction routine.
 402
 403    INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
 404    or sometimes less for cases like the m32r where the base insn size is 32
 405    but some insns are 16 bits.
 406    ATTRS is a mask of the boolean attributes.  We only need `SIGNED',
 407    but for generality we take a bitmask of all of them.
 408    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 409    WORD_LENGTH is the length of the word in bits in which the value resides.
 410    START is the starting bit number in the word, architecture origin.
 411    LENGTH is the length of VALUE in bits.
 412    TOTAL_LENGTH is the total length of the insn in bits.
 413
 414    Returns 1 for success, 0 for failure.  */
 415
 416 /* ??? The return code isn't properly used.  wip.  */
 417
 418 /* ??? This doesn't handle bfd_vma's.  Create another function when
 419    necessary.  */
 420
 421 static int
 422 extract_normal (CGEN_CPU_DESC cd,
 423 #if ! CGEN_INT_INSN_P
 424                 CGEN_EXTRACT_INFO *ex_info,
 425 #else
 426                 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 427 #endif
 428                 CGEN_INSN_INT insn_value,
 429                 unsigned int attrs,
 430                 unsigned int word_offset,
 431                 unsigned int start,
 432                 unsigned int length,
 433                 unsigned int word_length,
 434                 unsigned int total_length,
 435 #if ! CGEN_INT_INSN_P
 436                 bfd_vma pc,
 437 #else
 438                 bfd_vma pc ATTRIBUTE_UNUSED,
 439 #endif
 440                 long *valuep)
 441 {
 442   long value, mask;
 443
 444   /* If LENGTH is zero, this operand doesn't contribute to the value
 445      so give it a standard value of zero.  */
 446   if (length == 0)
 447     {
 448       *valuep = 0;
 449       return 1;
 450     }
 451
 452   if (word_length > 8 * sizeof (CGEN_INSN_INT))
 453     abort ();
 454
 455   /* For architectures with insns smaller than the insn-base-bitsize,
 456      word_length may be too big.  */
 457   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 458     {
 459       if (word_offset + word_length > total_length)
 460         word_length = total_length - word_offset;
 461     }
 462
 463   /* Does the value reside in INSN_VALUE, and at the right alignment?  */
 464
 465   if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
 466     {
 467       if (CGEN_INSN_LSB0_P)
 468         value = insn_value >> ((word_offset + start + 1) - length);
 469       else
 470         value = insn_value >> (total_length - ( word_offset + start + length));
 471     }
 472
 473 #if ! CGEN_INT_INSN_P
 474
 475   else
 476     {
 477       unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
 478
 479       if (word_length > 8 * sizeof (CGEN_INSN_INT))
 480         abort ();
 481
 482       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
 483         {
 484           *valuep = 0;
 485           return 0;
 486         }
 487
 488       value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
 489     }
 490
 491 #endif /* ! CGEN_INT_INSN_P */
 492
 493   /* Written this way to avoid undefined behaviour.  */
 494   mask = (((1L << (length - 1)) - 1) << 1) | 1;
 495
 496   value &= mask;
 497   /* sign extend? */
 498   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
 499       && (value & (1L << (length - 1))))
 500     value |= ~mask;
 501
 502   *valuep = value;
 503
 504   return 1;
 505 }
 506
 507 /* Default insn extractor.
 508
 509    INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
 510    The extracted fields are stored in FIELDS.
 511    EX_INFO is used to handle reading variable length insns.
 512    Return the length of the insn in bits, or 0 if no match,
 513    or -1 if an error occurs fetching data (memory_error_func will have
 514    been called).  */
 515
 516 static int
 517 extract_insn_normal (CGEN_CPU_DESC cd,
 518                      const CGEN_INSN *insn,
 519                      CGEN_EXTRACT_INFO *ex_info,
 520                      CGEN_INSN_INT insn_value,
 521                      CGEN_FIELDS *fields,
 522                      bfd_vma pc)
 523 {
 524   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 525   const CGEN_SYNTAX_CHAR_TYPE *syn;
 526
 527   CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
 528
 529   CGEN_INIT_EXTRACT (cd);
 530
 531   for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
 532     {
 533       int length;
 534
 535       if (CGEN_SYNTAX_CHAR_P (*syn))
 536         continue;
 537
 538       length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 539                                         ex_info, insn_value, fields, pc);
 540       if (length <= 0)
 541         return length;
 542     }
 543
 544   /* We recognized and successfully extracted this insn.  */
 545   return CGEN_INSN_BITSIZE (insn);
 546 }
 547 \f
 548 /* Machine generated code added here.  */
 549
 550 const char * mt_cgen_insert_operand
 551   (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
 552
 553 /* Main entry point for operand insertion.
 554
 555    This function is basically just a big switch statement.  Earlier versions
 556    used tables to look up the function to use, but
 557    - if the table contains both assembler and disassembler functions then
 558      the disassembler contains much of the assembler and vice-versa,
 559    - there's a lot of inlining possibilities as things grow,
 560    - using a switch statement avoids the function call overhead.
 561
 562    This function could be moved into `parse_insn_normal', but keeping it
 563    separate makes clear the interface between `parse_insn_normal' and each of
 564    the handlers.  It's also needed by GAS to insert operands that couldn't be
 565    resolved during parsing.  */
 566
 567 const char *
 568 mt_cgen_insert_operand (CGEN_CPU_DESC cd,
 569                              int opindex,
 570                              CGEN_FIELDS * fields,
 571                              CGEN_INSN_BYTES_PTR buffer,
 572                              bfd_vma pc ATTRIBUTE_UNUSED)
 573 {
 574   const char * errmsg = NULL;
 575   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 576
 577   switch (opindex)
 578     {
 579     case MT_OPERAND_A23 :
 580       errmsg = insert_normal (cd, fields->f_a23, 0, 0, 23, 1, 32, total_length, buffer);
 581       break;
 582     case MT_OPERAND_BALL :
 583       errmsg = insert_normal (cd, fields->f_ball, 0, 0, 19, 1, 32, total_length, buffer);
 584       break;
 585     case MT_OPERAND_BALL2 :
 586       errmsg = insert_normal (cd, fields->f_ball2, 0, 0, 15, 1, 32, total_length, buffer);
 587       break;
 588     case MT_OPERAND_BANKADDR :
 589       errmsg = insert_normal (cd, fields->f_bankaddr, 0, 0, 25, 13, 32, total_length, buffer);
 590       break;
 591     case MT_OPERAND_BRC :
 592       errmsg = insert_normal (cd, fields->f_brc, 0, 0, 18, 3, 32, total_length, buffer);
 593       break;
 594     case MT_OPERAND_BRC2 :
 595       errmsg = insert_normal (cd, fields->f_brc2, 0, 0, 14, 3, 32, total_length, buffer);
 596       break;
 597     case MT_OPERAND_CB1INCR :
 598       errmsg = insert_normal (cd, fields->f_cb1incr, 0|(1<<CGEN_IFLD_SIGNED), 0, 19, 6, 32, total_length, buffer);
 599       break;
 600     case MT_OPERAND_CB1SEL :
 601       errmsg = insert_normal (cd, fields->f_cb1sel, 0, 0, 25, 3, 32, total_length, buffer);
 602       break;
 603     case MT_OPERAND_CB2INCR :
 604       errmsg = insert_normal (cd, fields->f_cb2incr, 0|(1<<CGEN_IFLD_SIGNED), 0, 13, 6, 32, total_length, buffer);
 605       break;
 606     case MT_OPERAND_CB2SEL :
 607       errmsg = insert_normal (cd, fields->f_cb2sel, 0, 0, 22, 3, 32, total_length, buffer);
 608       break;
 609     case MT_OPERAND_CBRB :
 610       errmsg = insert_normal (cd, fields->f_cbrb, 0, 0, 10, 1, 32, total_length, buffer);
 611       break;
 612     case MT_OPERAND_CBS :
 613       errmsg = insert_normal (cd, fields->f_cbs, 0, 0, 19, 2, 32, total_length, buffer);
 614       break;
 615     case MT_OPERAND_CBX :
 616       errmsg = insert_normal (cd, fields->f_cbx, 0, 0, 14, 3, 32, total_length, buffer);
 617       break;
 618     case MT_OPERAND_CCB :
 619       errmsg = insert_normal (cd, fields->f_ccb, 0, 0, 11, 1, 32, total_length, buffer);
 620       break;
 621     case MT_OPERAND_CDB :
 622       errmsg = insert_normal (cd, fields->f_cdb, 0, 0, 10, 1, 32, total_length, buffer);
 623       break;
 624     case MT_OPERAND_CELL :
 625       errmsg = insert_normal (cd, fields->f_cell, 0, 0, 9, 3, 32, total_length, buffer);
 626       break;
 627     case MT_OPERAND_COLNUM :
 628       errmsg = insert_normal (cd, fields->f_colnum, 0, 0, 18, 3, 32, total_length, buffer);
 629       break;
 630     case MT_OPERAND_CONTNUM :
 631       errmsg = insert_normal (cd, fields->f_contnum, 0, 0, 8, 9, 32, total_length, buffer);
 632       break;
 633     case MT_OPERAND_CR :
 634       errmsg = insert_normal (cd, fields->f_cr, 0, 0, 22, 3, 32, total_length, buffer);
 635       break;
 636     case MT_OPERAND_CTXDISP :
 637       errmsg = insert_normal (cd, fields->f_ctxdisp, 0, 0, 5, 6, 32, total_length, buffer);
 638       break;
 639     case MT_OPERAND_DUP :
 640       errmsg = insert_normal (cd, fields->f_dup, 0, 0, 6, 1, 32, total_length, buffer);
 641       break;
 642     case MT_OPERAND_FBDISP :
 643       errmsg = insert_normal (cd, fields->f_fbdisp, 0, 0, 15, 6, 32, total_length, buffer);
 644       break;
 645     case MT_OPERAND_FBINCR :
 646       errmsg = insert_normal (cd, fields->f_fbincr, 0, 0, 23, 4, 32, total_length, buffer);
 647       break;
 648     case MT_OPERAND_FRDR :
 649       errmsg = insert_normal (cd, fields->f_dr, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 19, 4, 32, total_length, buffer);
 650       break;
 651     case MT_OPERAND_FRDRRR :
 652       errmsg = insert_normal (cd, fields->f_drrr, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 4, 32, total_length, buffer);
 653       break;
 654     case MT_OPERAND_FRSR1 :
 655       errmsg = insert_normal (cd, fields->f_sr1, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 23, 4, 32, total_length, buffer);
 656       break;
 657     case MT_OPERAND_FRSR2 :
 658       errmsg = insert_normal (cd, fields->f_sr2, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 19, 4, 32, total_length, buffer);
 659       break;
 660     case MT_OPERAND_ID :
 661       errmsg = insert_normal (cd, fields->f_id, 0, 0, 14, 1, 32, total_length, buffer);
 662       break;
 663     case MT_OPERAND_IMM16 :
 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_IMM16L :
 671       errmsg = insert_normal (cd, fields->f_imm16l, 0, 0, 23, 16, 32, total_length, buffer);
 672       break;
 673     case MT_OPERAND_IMM16O :
 674       {
 675         long value = fields->f_imm16s;
 676         value = ((value) + (0));
 677         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
 678       }
 679       break;
 680     case MT_OPERAND_IMM16Z :
 681       errmsg = insert_normal (cd, fields->f_imm16u, 0, 0, 15, 16, 32, total_length, buffer);
 682       break;
 683     case MT_OPERAND_INCAMT :
 684       errmsg = insert_normal (cd, fields->f_incamt, 0, 0, 19, 8, 32, total_length, buffer);
 685       break;
 686     case MT_OPERAND_INCR :
 687       errmsg = insert_normal (cd, fields->f_incr, 0, 0, 17, 6, 32, total_length, buffer);
 688       break;
 689     case MT_OPERAND_LENGTH :
 690       errmsg = insert_normal (cd, fields->f_length, 0, 0, 15, 3, 32, total_length, buffer);
 691       break;
 692     case MT_OPERAND_LOOPSIZE :
 693       {
 694         long value = fields->f_loopo;
 695         value = ((USI) (value) >> (2));
 696         errmsg = insert_normal (cd, value, 0, 0, 7, 8, 32, total_length, buffer);
 697       }
 698       break;
 699     case MT_OPERAND_MASK :
 700       errmsg = insert_normal (cd, fields->f_mask, 0, 0, 25, 16, 32, total_length, buffer);
 701       break;
 702     case MT_OPERAND_MASK1 :
 703       errmsg = insert_normal (cd, fields->f_mask1, 0, 0, 22, 3, 32, total_length, buffer);
 704       break;
 705     case MT_OPERAND_MODE :
 706       errmsg = insert_normal (cd, fields->f_mode, 0, 0, 25, 2, 32, total_length, buffer);
 707       break;
 708     case MT_OPERAND_PERM :
 709       errmsg = insert_normal (cd, fields->f_perm, 0, 0, 25, 2, 32, total_length, buffer);
 710       break;
 711     case MT_OPERAND_RBBC :
 712       errmsg = insert_normal (cd, fields->f_rbbc, 0, 0, 25, 2, 32, total_length, buffer);
 713       break;
 714     case MT_OPERAND_RC :
 715       errmsg = insert_normal (cd, fields->f_rc, 0, 0, 15, 1, 32, total_length, buffer);
 716       break;
 717     case MT_OPERAND_RC1 :
 718       errmsg = insert_normal (cd, fields->f_rc1, 0, 0, 11, 1, 32, total_length, buffer);
 719       break;
 720     case MT_OPERAND_RC2 :
 721       errmsg = insert_normal (cd, fields->f_rc2, 0, 0, 6, 1, 32, total_length, buffer);
 722       break;
 723     case MT_OPERAND_RC3 :
 724       errmsg = insert_normal (cd, fields->f_rc3, 0, 0, 7, 1, 32, total_length, buffer);
 725       break;
 726     case MT_OPERAND_RCNUM :
 727       errmsg = insert_normal (cd, fields->f_rcnum, 0, 0, 14, 3, 32, total_length, buffer);
 728       break;
 729     case MT_OPERAND_RDA :
 730       errmsg = insert_normal (cd, fields->f_rda, 0, 0, 25, 1, 32, total_length, buffer);
 731       break;
 732     case MT_OPERAND_ROWNUM :
 733       errmsg = insert_normal (cd, fields->f_rownum, 0, 0, 14, 3, 32, total_length, buffer);
 734       break;
 735     case MT_OPERAND_ROWNUM1 :
 736       errmsg = insert_normal (cd, fields->f_rownum1, 0, 0, 12, 3, 32, total_length, buffer);
 737       break;
 738     case MT_OPERAND_ROWNUM2 :
 739       errmsg = insert_normal (cd, fields->f_rownum2, 0, 0, 9, 3, 32, total_length, buffer);
 740       break;
 741     case MT_OPERAND_SIZE :
 742       errmsg = insert_normal (cd, fields->f_size, 0, 0, 13, 14, 32, total_length, buffer);
 743       break;
 744     case MT_OPERAND_TYPE :
 745       errmsg = insert_normal (cd, fields->f_type, 0, 0, 21, 2, 32, total_length, buffer);
 746       break;
 747     case MT_OPERAND_WR :
 748       errmsg = insert_normal (cd, fields->f_wr, 0, 0, 24, 1, 32, total_length, buffer);
 749       break;
 750     case MT_OPERAND_XMODE :
 751       errmsg = insert_normal (cd, fields->f_xmode, 0, 0, 23, 1, 32, total_length, buffer);
 752       break;
 753
 754     default :
 755       /* xgettext:c-format */
 756       opcodes_error_handler
 757         (_("internal error: unrecognized field %d while building insn"),
 758          opindex);
 759       abort ();
 760   }
 761
 762   return errmsg;
 763 }
 764
 765 int mt_cgen_extract_operand
 766   (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
 767
 768 /* Main entry point for operand extraction.
 769    The result is <= 0 for error, >0 for success.
 770    ??? Actual values aren't well defined right now.
 771
 772    This function is basically just a big switch statement.  Earlier versions
 773    used tables to look up the function to use, but
 774    - if the table contains both assembler and disassembler functions then
 775      the disassembler contains much of the assembler and vice-versa,
 776    - there's a lot of inlining possibilities as things grow,
 777    - using a switch statement avoids the function call overhead.
 778
 779    This function could be moved into `print_insn_normal', but keeping it
 780    separate makes clear the interface between `print_insn_normal' and each of
 781    the handlers.  */
 782
 783 int
 784 mt_cgen_extract_operand (CGEN_CPU_DESC cd,
 785                              int opindex,
 786                              CGEN_EXTRACT_INFO *ex_info,
 787                              CGEN_INSN_INT insn_value,
 788                              CGEN_FIELDS * fields,
 789                              bfd_vma pc)
 790 {
 791   /* Assume success (for those operands that are nops).  */
 792   int length = 1;
 793   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 794
 795   switch (opindex)
 796     {
 797     case MT_OPERAND_A23 :
 798       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 1, 32, total_length, pc, & fields->f_a23);
 799       break;
 800     case MT_OPERAND_BALL :
 801       length = extract_normal (cd, ex_info, insn_value, 0, 0, 19, 1, 32, total_length, pc, & fields->f_ball);
 802       break;
 803     case MT_OPERAND_BALL2 :
 804       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 1, 32, total_length, pc, & fields->f_ball2);
 805       break;
 806     case MT_OPERAND_BANKADDR :
 807       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 13, 32, total_length, pc, & fields->f_bankaddr);
 808       break;
 809     case MT_OPERAND_BRC :
 810       length = extract_normal (cd, ex_info, insn_value, 0, 0, 18, 3, 32, total_length, pc, & fields->f_brc);
 811       break;
 812     case MT_OPERAND_BRC2 :
 813       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 3, 32, total_length, pc, & fields->f_brc2);
 814       break;
 815     case MT_OPERAND_CB1INCR :
 816       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 19, 6, 32, total_length, pc, & fields->f_cb1incr);
 817       break;
 818     case MT_OPERAND_CB1SEL :
 819       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 3, 32, total_length, pc, & fields->f_cb1sel);
 820       break;
 821     case MT_OPERAND_CB2INCR :
 822       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 13, 6, 32, total_length, pc, & fields->f_cb2incr);
 823       break;
 824     case MT_OPERAND_CB2SEL :
 825       length = extract_normal (cd, ex_info, insn_value, 0, 0, 22, 3, 32, total_length, pc, & fields->f_cb2sel);
 826       break;
 827     case MT_OPERAND_CBRB :
 828       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 1, 32, total_length, pc, & fields->f_cbrb);
 829       break;
 830     case MT_OPERAND_CBS :
 831       length = extract_normal (cd, ex_info, insn_value, 0, 0, 19, 2, 32, total_length, pc, & fields->f_cbs);
 832       break;
 833     case MT_OPERAND_CBX :
 834       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 3, 32, total_length, pc, & fields->f_cbx);
 835       break;
 836     case MT_OPERAND_CCB :
 837       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 1, 32, total_length, pc, & fields->f_ccb);
 838       break;
 839     case MT_OPERAND_CDB :
 840       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 1, 32, total_length, pc, & fields->f_cdb);
 841       break;
 842     case MT_OPERAND_CELL :
 843       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_cell);
 844       break;
 845     case MT_OPERAND_COLNUM :
 846       length = extract_normal (cd, ex_info, insn_value, 0, 0, 18, 3, 32, total_length, pc, & fields->f_colnum);
 847       break;
 848     case MT_OPERAND_CONTNUM :
 849       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_contnum);
 850       break;
 851     case MT_OPERAND_CR :
 852       length = extract_normal (cd, ex_info, insn_value, 0, 0, 22, 3, 32, total_length, pc, & fields->f_cr);
 853       break;
 854     case MT_OPERAND_CTXDISP :
 855       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 6, 32, total_length, pc, & fields->f_ctxdisp);
 856       break;
 857     case MT_OPERAND_DUP :
 858       length = extract_normal (cd, ex_info, insn_value, 0, 0, 6, 1, 32, total_length, pc, & fields->f_dup);
 859       break;
 860     case MT_OPERAND_FBDISP :
 861       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 6, 32, total_length, pc, & fields->f_fbdisp);
 862       break;
 863     case MT_OPERAND_FBINCR :
 864       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 4, 32, total_length, pc, & fields->f_fbincr);
 865       break;
 866     case MT_OPERAND_FRDR :
 867       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 19, 4, 32, total_length, pc, & fields->f_dr);
 868       break;
 869     case MT_OPERAND_FRDRRR :
 870       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 4, 32, total_length, pc, & fields->f_drrr);
 871       break;
 872     case MT_OPERAND_FRSR1 :
 873       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 23, 4, 32, total_length, pc, & fields->f_sr1);
 874       break;
 875     case MT_OPERAND_FRSR2 :
 876       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 19, 4, 32, total_length, pc, & fields->f_sr2);
 877       break;
 878     case MT_OPERAND_ID :
 879       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 1, 32, total_length, pc, & fields->f_id);
 880       break;
 881     case MT_OPERAND_IMM16 :
 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_IMM16L :
 890       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 16, 32, total_length, pc, & fields->f_imm16l);
 891       break;
 892     case MT_OPERAND_IMM16O :
 893       {
 894         long value;
 895         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & value);
 896         value = ((value) + (0));
 897         fields->f_imm16s = value;
 898       }
 899       break;
 900     case MT_OPERAND_IMM16Z :
 901       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm16u);
 902       break;
 903     case MT_OPERAND_INCAMT :
 904       length = extract_normal (cd, ex_info, insn_value, 0, 0, 19, 8, 32, total_length, pc, & fields->f_incamt);
 905       break;
 906     case MT_OPERAND_INCR :
 907       length = extract_normal (cd, ex_info, insn_value, 0, 0, 17, 6, 32, total_length, pc, & fields->f_incr);
 908       break;
 909     case MT_OPERAND_LENGTH :
 910       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_length);
 911       break;
 912     case MT_OPERAND_LOOPSIZE :
 913       {
 914         long value;
 915         length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 8, 32, total_length, pc, & value);
 916         value = ((((value) << (2))) + (8));
 917         fields->f_loopo = value;
 918       }
 919       break;
 920     case MT_OPERAND_MASK :
 921       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 16, 32, total_length, pc, & fields->f_mask);
 922       break;
 923     case MT_OPERAND_MASK1 :
 924       length = extract_normal (cd, ex_info, insn_value, 0, 0, 22, 3, 32, total_length, pc, & fields->f_mask1);
 925       break;
 926     case MT_OPERAND_MODE :
 927       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 2, 32, total_length, pc, & fields->f_mode);
 928       break;
 929     case MT_OPERAND_PERM :
 930       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 2, 32, total_length, pc, & fields->f_perm);
 931       break;
 932     case MT_OPERAND_RBBC :
 933       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 2, 32, total_length, pc, & fields->f_rbbc);
 934       break;
 935     case MT_OPERAND_RC :
 936       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 1, 32, total_length, pc, & fields->f_rc);
 937       break;
 938     case MT_OPERAND_RC1 :
 939       length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 1, 32, total_length, pc, & fields->f_rc1);
 940       break;
 941     case MT_OPERAND_RC2 :
 942       length = extract_normal (cd, ex_info, insn_value, 0, 0, 6, 1, 32, total_length, pc, & fields->f_rc2);
 943       break;
 944     case MT_OPERAND_RC3 :
 945       length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 1, 32, total_length, pc, & fields->f_rc3);
 946       break;
 947     case MT_OPERAND_RCNUM :
 948       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 3, 32, total_length, pc, & fields->f_rcnum);
 949       break;
 950     case MT_OPERAND_RDA :
 951       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 1, 32, total_length, pc, & fields->f_rda);
 952       break;
 953     case MT_OPERAND_ROWNUM :
 954       length = extract_normal (cd, ex_info, insn_value, 0, 0, 14, 3, 32, total_length, pc, & fields->f_rownum);
 955       break;
 956     case MT_OPERAND_ROWNUM1 :
 957       length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_rownum1);
 958       break;
 959     case MT_OPERAND_ROWNUM2 :
 960       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_rownum2);
 961       break;
 962     case MT_OPERAND_SIZE :
 963       length = extract_normal (cd, ex_info, insn_value, 0, 0, 13, 14, 32, total_length, pc, & fields->f_size);
 964       break;
 965     case MT_OPERAND_TYPE :
 966       length = extract_normal (cd, ex_info, insn_value, 0, 0, 21, 2, 32, total_length, pc, & fields->f_type);
 967       break;
 968     case MT_OPERAND_WR :
 969       length = extract_normal (cd, ex_info, insn_value, 0, 0, 24, 1, 32, total_length, pc, & fields->f_wr);
 970       break;
 971     case MT_OPERAND_XMODE :
 972       length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 1, 32, total_length, pc, & fields->f_xmode);
 973       break;
 974
 975     default :
 976       /* xgettext:c-format */
 977       opcodes_error_handler
 978         (_("internal error: unrecognized field %d while decoding insn"),
 979          opindex);
 980       abort ();
 981     }
 982
 983   return length;
 984 }
 985
 986 cgen_insert_fn * const mt_cgen_insert_handlers[] =
 987 {
 988   insert_insn_normal,
 989 };
 990
 991 cgen_extract_fn * const mt_cgen_extract_handlers[] =
 992 {
 993   extract_insn_normal,
 994 };
 995
 996 int mt_cgen_get_int_operand     (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 997 bfd_vma mt_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 998
 999 /* Getting values from cgen_fields is handled by a collection of functions.
1000    They are distinguished by the type of the VALUE argument they return.
1001    TODO: floating point, inlining support, remove cases where result type
1002    not appropriate.  */
1003
1004 int
1005 mt_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1006                              int opindex,
1007                              const CGEN_FIELDS * fields)
1008 {
1009   int value;
1010
1011   switch (opindex)
1012     {
1013     case MT_OPERAND_A23 :
1014       value = fields->f_a23;
1015       break;
1016     case MT_OPERAND_BALL :
1017       value = fields->f_ball;
1018       break;
1019     case MT_OPERAND_BALL2 :
1020       value = fields->f_ball2;
1021       break;
1022     case MT_OPERAND_BANKADDR :
1023       value = fields->f_bankaddr;
1024       break;
1025     case MT_OPERAND_BRC :
1026       value = fields->f_brc;
1027       break;
1028     case MT_OPERAND_BRC2 :
1029       value = fields->f_brc2;
1030       break;
1031     case MT_OPERAND_CB1INCR :
1032       value = fields->f_cb1incr;
1033       break;
1034     case MT_OPERAND_CB1SEL :
1035       value = fields->f_cb1sel;
1036       break;
1037     case MT_OPERAND_CB2INCR :
1038       value = fields->f_cb2incr;
1039       break;
1040     case MT_OPERAND_CB2SEL :
1041       value = fields->f_cb2sel;
1042       break;
1043     case MT_OPERAND_CBRB :
1044       value = fields->f_cbrb;
1045       break;
1046     case MT_OPERAND_CBS :
1047       value = fields->f_cbs;
1048       break;
1049     case MT_OPERAND_CBX :
1050       value = fields->f_cbx;
1051       break;
1052     case MT_OPERAND_CCB :
1053       value = fields->f_ccb;
1054       break;
1055     case MT_OPERAND_CDB :
1056       value = fields->f_cdb;
1057       break;
1058     case MT_OPERAND_CELL :
1059       value = fields->f_cell;
1060       break;
1061     case MT_OPERAND_COLNUM :
1062       value = fields->f_colnum;
1063       break;
1064     case MT_OPERAND_CONTNUM :
1065       value = fields->f_contnum;
1066       break;
1067     case MT_OPERAND_CR :
1068       value = fields->f_cr;
1069       break;
1070     case MT_OPERAND_CTXDISP :
1071       value = fields->f_ctxdisp;
1072       break;
1073     case MT_OPERAND_DUP :
1074       value = fields->f_dup;
1075       break;
1076     case MT_OPERAND_FBDISP :
1077       value = fields->f_fbdisp;
1078       break;
1079     case MT_OPERAND_FBINCR :
1080       value = fields->f_fbincr;
1081       break;
1082     case MT_OPERAND_FRDR :
1083       value = fields->f_dr;
1084       break;
1085     case MT_OPERAND_FRDRRR :
1086       value = fields->f_drrr;
1087       break;
1088     case MT_OPERAND_FRSR1 :
1089       value = fields->f_sr1;
1090       break;
1091     case MT_OPERAND_FRSR2 :
1092       value = fields->f_sr2;
1093       break;
1094     case MT_OPERAND_ID :
1095       value = fields->f_id;
1096       break;
1097     case MT_OPERAND_IMM16 :
1098       value = fields->f_imm16s;
1099       break;
1100     case MT_OPERAND_IMM16L :
1101       value = fields->f_imm16l;
1102       break;
1103     case MT_OPERAND_IMM16O :
1104       value = fields->f_imm16s;
1105       break;
1106     case MT_OPERAND_IMM16Z :
1107       value = fields->f_imm16u;
1108       break;
1109     case MT_OPERAND_INCAMT :
1110       value = fields->f_incamt;
1111       break;
1112     case MT_OPERAND_INCR :
1113       value = fields->f_incr;
1114       break;
1115     case MT_OPERAND_LENGTH :
1116       value = fields->f_length;
1117       break;
1118     case MT_OPERAND_LOOPSIZE :
1119       value = fields->f_loopo;
1120       break;
1121     case MT_OPERAND_MASK :
1122       value = fields->f_mask;
1123       break;
1124     case MT_OPERAND_MASK1 :
1125       value = fields->f_mask1;
1126       break;
1127     case MT_OPERAND_MODE :
1128       value = fields->f_mode;
1129       break;
1130     case MT_OPERAND_PERM :
1131       value = fields->f_perm;
1132       break;
1133     case MT_OPERAND_RBBC :
1134       value = fields->f_rbbc;
1135       break;
1136     case MT_OPERAND_RC :
1137       value = fields->f_rc;
1138       break;
1139     case MT_OPERAND_RC1 :
1140       value = fields->f_rc1;
1141       break;
1142     case MT_OPERAND_RC2 :
1143       value = fields->f_rc2;
1144       break;
1145     case MT_OPERAND_RC3 :
1146       value = fields->f_rc3;
1147       break;
1148     case MT_OPERAND_RCNUM :
1149       value = fields->f_rcnum;
1150       break;
1151     case MT_OPERAND_RDA :
1152       value = fields->f_rda;
1153       break;
1154     case MT_OPERAND_ROWNUM :
1155       value = fields->f_rownum;
1156       break;
1157     case MT_OPERAND_ROWNUM1 :
1158       value = fields->f_rownum1;
1159       break;
1160     case MT_OPERAND_ROWNUM2 :
1161       value = fields->f_rownum2;
1162       break;
1163     case MT_OPERAND_SIZE :
1164       value = fields->f_size;
1165       break;
1166     case MT_OPERAND_TYPE :
1167       value = fields->f_type;
1168       break;
1169     case MT_OPERAND_WR :
1170       value = fields->f_wr;
1171       break;
1172     case MT_OPERAND_XMODE :
1173       value = fields->f_xmode;
1174       break;
1175
1176     default :
1177       /* xgettext:c-format */
1178       opcodes_error_handler
1179         (_("internal error: unrecognized field %d while getting int operand"),
1180          opindex);
1181       abort ();
1182   }
1183
1184   return value;
1185 }
1186
1187 bfd_vma
1188 mt_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1189                              int opindex,
1190                              const CGEN_FIELDS * fields)
1191 {
1192   bfd_vma value;
1193
1194   switch (opindex)
1195     {
1196     case MT_OPERAND_A23 :
1197       value = fields->f_a23;
1198       break;
1199     case MT_OPERAND_BALL :
1200       value = fields->f_ball;
1201       break;
1202     case MT_OPERAND_BALL2 :
1203       value = fields->f_ball2;
1204       break;
1205     case MT_OPERAND_BANKADDR :
1206       value = fields->f_bankaddr;
1207       break;
1208     case MT_OPERAND_BRC :
1209       value = fields->f_brc;
1210       break;
1211     case MT_OPERAND_BRC2 :
1212       value = fields->f_brc2;
1213       break;
1214     case MT_OPERAND_CB1INCR :
1215       value = fields->f_cb1incr;
1216       break;
1217     case MT_OPERAND_CB1SEL :
1218       value = fields->f_cb1sel;
1219       break;
1220     case MT_OPERAND_CB2INCR :
1221       value = fields->f_cb2incr;
1222       break;
1223     case MT_OPERAND_CB2SEL :
1224       value = fields->f_cb2sel;
1225       break;
1226     case MT_OPERAND_CBRB :
1227       value = fields->f_cbrb;
1228       break;
1229     case MT_OPERAND_CBS :
1230       value = fields->f_cbs;
1231       break;
1232     case MT_OPERAND_CBX :
1233       value = fields->f_cbx;
1234       break;
1235     case MT_OPERAND_CCB :
1236       value = fields->f_ccb;
1237       break;
1238     case MT_OPERAND_CDB :
1239       value = fields->f_cdb;
1240       break;
1241     case MT_OPERAND_CELL :
1242       value = fields->f_cell;
1243       break;
1244     case MT_OPERAND_COLNUM :
1245       value = fields->f_colnum;
1246       break;
1247     case MT_OPERAND_CONTNUM :
1248       value = fields->f_contnum;
1249       break;
1250     case MT_OPERAND_CR :
1251       value = fields->f_cr;
1252       break;
1253     case MT_OPERAND_CTXDISP :
1254       value = fields->f_ctxdisp;
1255       break;
1256     case MT_OPERAND_DUP :
1257       value = fields->f_dup;
1258       break;
1259     case MT_OPERAND_FBDISP :
1260       value = fields->f_fbdisp;
1261       break;
1262     case MT_OPERAND_FBINCR :
1263       value = fields->f_fbincr;
1264       break;
1265     case MT_OPERAND_FRDR :
1266       value = fields->f_dr;
1267       break;
1268     case MT_OPERAND_FRDRRR :
1269       value = fields->f_drrr;
1270       break;
1271     case MT_OPERAND_FRSR1 :
1272       value = fields->f_sr1;
1273       break;
1274     case MT_OPERAND_FRSR2 :
1275       value = fields->f_sr2;
1276       break;
1277     case MT_OPERAND_ID :
1278       value = fields->f_id;
1279       break;
1280     case MT_OPERAND_IMM16 :
1281       value = fields->f_imm16s;
1282       break;
1283     case MT_OPERAND_IMM16L :
1284       value = fields->f_imm16l;
1285       break;
1286     case MT_OPERAND_IMM16O :
1287       value = fields->f_imm16s;
1288       break;
1289     case MT_OPERAND_IMM16Z :
1290       value = fields->f_imm16u;
1291       break;
1292     case MT_OPERAND_INCAMT :
1293       value = fields->f_incamt;
1294       break;
1295     case MT_OPERAND_INCR :
1296       value = fields->f_incr;
1297       break;
1298     case MT_OPERAND_LENGTH :
1299       value = fields->f_length;
1300       break;
1301     case MT_OPERAND_LOOPSIZE :
1302       value = fields->f_loopo;
1303       break;
1304     case MT_OPERAND_MASK :
1305       value = fields->f_mask;
1306       break;
1307     case MT_OPERAND_MASK1 :
1308       value = fields->f_mask1;
1309       break;
1310     case MT_OPERAND_MODE :
1311       value = fields->f_mode;
1312       break;
1313     case MT_OPERAND_PERM :
1314       value = fields->f_perm;
1315       break;
1316     case MT_OPERAND_RBBC :
1317       value = fields->f_rbbc;
1318       break;
1319     case MT_OPERAND_RC :
1320       value = fields->f_rc;
1321       break;
1322     case MT_OPERAND_RC1 :
1323       value = fields->f_rc1;
1324       break;
1325     case MT_OPERAND_RC2 :
1326       value = fields->f_rc2;
1327       break;
1328     case MT_OPERAND_RC3 :
1329       value = fields->f_rc3;
1330       break;
1331     case MT_OPERAND_RCNUM :
1332       value = fields->f_rcnum;
1333       break;
1334     case MT_OPERAND_RDA :
1335       value = fields->f_rda;
1336       break;
1337     case MT_OPERAND_ROWNUM :
1338       value = fields->f_rownum;
1339       break;
1340     case MT_OPERAND_ROWNUM1 :
1341       value = fields->f_rownum1;
1342       break;
1343     case MT_OPERAND_ROWNUM2 :
1344       value = fields->f_rownum2;
1345       break;
1346     case MT_OPERAND_SIZE :
1347       value = fields->f_size;
1348       break;
1349     case MT_OPERAND_TYPE :
1350       value = fields->f_type;
1351       break;
1352     case MT_OPERAND_WR :
1353       value = fields->f_wr;
1354       break;
1355     case MT_OPERAND_XMODE :
1356       value = fields->f_xmode;
1357       break;
1358
1359     default :
1360       /* xgettext:c-format */
1361       opcodes_error_handler
1362         (_("internal error: unrecognized field %d while getting vma operand"),
1363          opindex);
1364       abort ();
1365   }
1366
1367   return value;
1368 }
1369
1370 void mt_cgen_set_int_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
1371 void mt_cgen_set_vma_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
1372
1373 /* Stuffing values in cgen_fields is handled by a collection of functions.
1374    They are distinguished by the type of the VALUE argument they accept.
1375    TODO: floating point, inlining support, remove cases where argument type
1376    not appropriate.  */
1377
1378 void
1379 mt_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1380                              int opindex,
1381                              CGEN_FIELDS * fields,
1382                              int value)
1383 {
1384   switch (opindex)
1385     {
1386     case MT_OPERAND_A23 :
1387       fields->f_a23 = value;
1388       break;
1389     case MT_OPERAND_BALL :
1390       fields->f_ball = value;
1391       break;
1392     case MT_OPERAND_BALL2 :
1393       fields->f_ball2 = value;
1394       break;
1395     case MT_OPERAND_BANKADDR :
1396       fields->f_bankaddr = value;
1397       break;
1398     case MT_OPERAND_BRC :
1399       fields->f_brc = value;
1400       break;
1401     case MT_OPERAND_BRC2 :
1402       fields->f_brc2 = value;
1403       break;
1404     case MT_OPERAND_CB1INCR :
1405       fields->f_cb1incr = value;
1406       break;
1407     case MT_OPERAND_CB1SEL :
1408       fields->f_cb1sel = value;
1409       break;
1410     case MT_OPERAND_CB2INCR :
1411       fields->f_cb2incr = value;
1412       break;
1413     case MT_OPERAND_CB2SEL :
1414       fields->f_cb2sel = value;
1415       break;
1416     case MT_OPERAND_CBRB :
1417       fields->f_cbrb = value;
1418       break;
1419     case MT_OPERAND_CBS :
1420       fields->f_cbs = value;
1421       break;
1422     case MT_OPERAND_CBX :
1423       fields->f_cbx = value;
1424       break;
1425     case MT_OPERAND_CCB :
1426       fields->f_ccb = value;
1427       break;
1428     case MT_OPERAND_CDB :
1429       fields->f_cdb = value;
1430       break;
1431     case MT_OPERAND_CELL :
1432       fields->f_cell = value;
1433       break;
1434     case MT_OPERAND_COLNUM :
1435       fields->f_colnum = value;
1436       break;
1437     case MT_OPERAND_CONTNUM :
1438       fields->f_contnum = value;
1439       break;
1440     case MT_OPERAND_CR :
1441       fields->f_cr = value;
1442       break;
1443     case MT_OPERAND_CTXDISP :
1444       fields->f_ctxdisp = value;
1445       break;
1446     case MT_OPERAND_DUP :
1447       fields->f_dup = value;
1448       break;
1449     case MT_OPERAND_FBDISP :
1450       fields->f_fbdisp = value;
1451       break;
1452     case MT_OPERAND_FBINCR :
1453       fields->f_fbincr = value;
1454       break;
1455     case MT_OPERAND_FRDR :
1456       fields->f_dr = value;
1457       break;
1458     case MT_OPERAND_FRDRRR :
1459       fields->f_drrr = value;
1460       break;
1461     case MT_OPERAND_FRSR1 :
1462       fields->f_sr1 = value;
1463       break;
1464     case MT_OPERAND_FRSR2 :
1465       fields->f_sr2 = value;
1466       break;
1467     case MT_OPERAND_ID :
1468       fields->f_id = value;
1469       break;
1470     case MT_OPERAND_IMM16 :
1471       fields->f_imm16s = value;
1472       break;
1473     case MT_OPERAND_IMM16L :
1474       fields->f_imm16l = value;
1475       break;
1476     case MT_OPERAND_IMM16O :
1477       fields->f_imm16s = value;
1478       break;
1479     case MT_OPERAND_IMM16Z :
1480       fields->f_imm16u = value;
1481       break;
1482     case MT_OPERAND_INCAMT :
1483       fields->f_incamt = value;
1484       break;
1485     case MT_OPERAND_INCR :
1486       fields->f_incr = value;
1487       break;
1488     case MT_OPERAND_LENGTH :
1489       fields->f_length = value;
1490       break;
1491     case MT_OPERAND_LOOPSIZE :
1492       fields->f_loopo = value;
1493       break;
1494     case MT_OPERAND_MASK :
1495       fields->f_mask = value;
1496       break;
1497     case MT_OPERAND_MASK1 :
1498       fields->f_mask1 = value;
1499       break;
1500     case MT_OPERAND_MODE :
1501       fields->f_mode = value;
1502       break;
1503     case MT_OPERAND_PERM :
1504       fields->f_perm = value;
1505       break;
1506     case MT_OPERAND_RBBC :
1507       fields->f_rbbc = value;
1508       break;
1509     case MT_OPERAND_RC :
1510       fields->f_rc = value;
1511       break;
1512     case MT_OPERAND_RC1 :
1513       fields->f_rc1 = value;
1514       break;
1515     case MT_OPERAND_RC2 :
1516       fields->f_rc2 = value;
1517       break;
1518     case MT_OPERAND_RC3 :
1519       fields->f_rc3 = value;
1520       break;
1521     case MT_OPERAND_RCNUM :
1522       fields->f_rcnum = value;
1523       break;
1524     case MT_OPERAND_RDA :
1525       fields->f_rda = value;
1526       break;
1527     case MT_OPERAND_ROWNUM :
1528       fields->f_rownum = value;
1529       break;
1530     case MT_OPERAND_ROWNUM1 :
1531       fields->f_rownum1 = value;
1532       break;
1533     case MT_OPERAND_ROWNUM2 :
1534       fields->f_rownum2 = value;
1535       break;
1536     case MT_OPERAND_SIZE :
1537       fields->f_size = value;
1538       break;
1539     case MT_OPERAND_TYPE :
1540       fields->f_type = value;
1541       break;
1542     case MT_OPERAND_WR :
1543       fields->f_wr = value;
1544       break;
1545     case MT_OPERAND_XMODE :
1546       fields->f_xmode = value;
1547       break;
1548
1549     default :
1550       /* xgettext:c-format */
1551       opcodes_error_handler
1552         (_("internal error: unrecognized field %d while setting int operand"),
1553          opindex);
1554       abort ();
1555   }
1556 }
1557
1558 void
1559 mt_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1560                              int opindex,
1561                              CGEN_FIELDS * fields,
1562                              bfd_vma value)
1563 {
1564   switch (opindex)
1565     {
1566     case MT_OPERAND_A23 :
1567       fields->f_a23 = value;
1568       break;
1569     case MT_OPERAND_BALL :
1570       fields->f_ball = value;
1571       break;
1572     case MT_OPERAND_BALL2 :
1573       fields->f_ball2 = value;
1574       break;
1575     case MT_OPERAND_BANKADDR :
1576       fields->f_bankaddr = value;
1577       break;
1578     case MT_OPERAND_BRC :
1579       fields->f_brc = value;
1580       break;
1581     case MT_OPERAND_BRC2 :
1582       fields->f_brc2 = value;
1583       break;
1584     case MT_OPERAND_CB1INCR :
1585       fields->f_cb1incr = value;
1586       break;
1587     case MT_OPERAND_CB1SEL :
1588       fields->f_cb1sel = value;
1589       break;
1590     case MT_OPERAND_CB2INCR :
1591       fields->f_cb2incr = value;
1592       break;
1593     case MT_OPERAND_CB2SEL :
1594       fields->f_cb2sel = value;
1595       break;
1596     case MT_OPERAND_CBRB :
1597       fields->f_cbrb = value;
1598       break;
1599     case MT_OPERAND_CBS :
1600       fields->f_cbs = value;
1601       break;
1602     case MT_OPERAND_CBX :
1603       fields->f_cbx = value;
1604       break;
1605     case MT_OPERAND_CCB :
1606       fields->f_ccb = value;
1607       break;
1608     case MT_OPERAND_CDB :
1609       fields->f_cdb = value;
1610       break;
1611     case MT_OPERAND_CELL :
1612       fields->f_cell = value;
1613       break;
1614     case MT_OPERAND_COLNUM :
1615       fields->f_colnum = value;
1616       break;
1617     case MT_OPERAND_CONTNUM :
1618       fields->f_contnum = value;
1619       break;
1620     case MT_OPERAND_CR :
1621       fields->f_cr = value;
1622       break;
1623     case MT_OPERAND_CTXDISP :
1624       fields->f_ctxdisp = value;
1625       break;
1626     case MT_OPERAND_DUP :
1627       fields->f_dup = value;
1628       break;
1629     case MT_OPERAND_FBDISP :
1630       fields->f_fbdisp = value;
1631       break;
1632     case MT_OPERAND_FBINCR :
1633       fields->f_fbincr = value;
1634       break;
1635     case MT_OPERAND_FRDR :
1636       fields->f_dr = value;
1637       break;
1638     case MT_OPERAND_FRDRRR :
1639       fields->f_drrr = value;
1640       break;
1641     case MT_OPERAND_FRSR1 :
1642       fields->f_sr1 = value;
1643       break;
1644     case MT_OPERAND_FRSR2 :
1645       fields->f_sr2 = value;
1646       break;
1647     case MT_OPERAND_ID :
1648       fields->f_id = value;
1649       break;
1650     case MT_OPERAND_IMM16 :
1651       fields->f_imm16s = value;
1652       break;
1653     case MT_OPERAND_IMM16L :
1654       fields->f_imm16l = value;
1655       break;
1656     case MT_OPERAND_IMM16O :
1657       fields->f_imm16s = value;
1658       break;
1659     case MT_OPERAND_IMM16Z :
1660       fields->f_imm16u = value;
1661       break;
1662     case MT_OPERAND_INCAMT :
1663       fields->f_incamt = value;
1664       break;
1665     case MT_OPERAND_INCR :
1666       fields->f_incr = value;
1667       break;
1668     case MT_OPERAND_LENGTH :
1669       fields->f_length = value;
1670       break;
1671     case MT_OPERAND_LOOPSIZE :
1672       fields->f_loopo = value;
1673       break;
1674     case MT_OPERAND_MASK :
1675       fields->f_mask = value;
1676       break;
1677     case MT_OPERAND_MASK1 :
1678       fields->f_mask1 = value;
1679       break;
1680     case MT_OPERAND_MODE :
1681       fields->f_mode = value;
1682       break;
1683     case MT_OPERAND_PERM :
1684       fields->f_perm = value;
1685       break;
1686     case MT_OPERAND_RBBC :
1687       fields->f_rbbc = value;
1688       break;
1689     case MT_OPERAND_RC :
1690       fields->f_rc = value;
1691       break;
1692     case MT_OPERAND_RC1 :
1693       fields->f_rc1 = value;
1694       break;
1695     case MT_OPERAND_RC2 :
1696       fields->f_rc2 = value;
1697       break;
1698     case MT_OPERAND_RC3 :
1699       fields->f_rc3 = value;
1700       break;
1701     case MT_OPERAND_RCNUM :
1702       fields->f_rcnum = value;
1703       break;
1704     case MT_OPERAND_RDA :
1705       fields->f_rda = value;
1706       break;
1707     case MT_OPERAND_ROWNUM :
1708       fields->f_rownum = value;
1709       break;
1710     case MT_OPERAND_ROWNUM1 :
1711       fields->f_rownum1 = value;
1712       break;
1713     case MT_OPERAND_ROWNUM2 :
1714       fields->f_rownum2 = value;
1715       break;
1716     case MT_OPERAND_SIZE :
1717       fields->f_size = value;
1718       break;
1719     case MT_OPERAND_TYPE :
1720       fields->f_type = value;
1721       break;
1722     case MT_OPERAND_WR :
1723       fields->f_wr = value;
1724       break;
1725     case MT_OPERAND_XMODE :
1726       fields->f_xmode = value;
1727       break;
1728
1729     default :
1730       /* xgettext:c-format */
1731       opcodes_error_handler
1732         (_("internal error: unrecognized field %d while setting vma operand"),
1733          opindex);
1734       abort ();
1735   }
1736 }
1737
1738 /* Function to call before using the instruction builder tables.  */
1739
1740 void
1741 mt_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1742 {
1743   cd->insert_handlers = & mt_cgen_insert_handlers[0];
1744   cd->extract_handlers = & mt_cgen_extract_handlers[0];
1745
1746   cd->insert_operand = mt_cgen_insert_operand;
1747   cd->extract_operand = mt_cgen_extract_operand;
1748
1749   cd->get_int_operand = mt_cgen_get_int_operand;
1750   cd->set_int_operand = mt_cgen_set_int_operand;
1751   cd->get_vma_operand = mt_cgen_get_vma_operand;
1752   cd->set_vma_operand = mt_cgen_set_vma_operand;
1753 }