opcodes/fr30-ibld.c

   1 /* Instruction building/extraction support for fr30. -*- 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    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 "fr30-desc.h"
  35 #include "fr30-opc.h"
  36 #include "opintl.h"
  37 #include "safe-ctype.h"
  38
  39 #undef  min
  40 #define min(a,b) ((a) < (b) ? (a) : (b))
  41 #undef  max
  42 #define max(a,b) ((a) > (b) ? (a) : (b))
  43
  44 /* Used by the ifield rtx function.  */
  45 #define FLD(f) (fields->f)
  46
  47 static const char * insert_normal
  48   (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
  49    unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);
  50 static const char * insert_insn_normal
  51   (CGEN_CPU_DESC, const CGEN_INSN *,
  52    CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
  53 static int extract_normal
  54   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
  55    unsigned int, unsigned int, unsigned int, unsigned int,
  56    unsigned int, unsigned int, bfd_vma, long *);
  57 static int extract_insn_normal
  58   (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
  59    CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
  60 #if CGEN_INT_INSN_P
  61 static void put_insn_int_value
  62   (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
  63 #endif
  64 #if ! CGEN_INT_INSN_P
  65 static CGEN_INLINE void insert_1
  66   (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
  67 static CGEN_INLINE int fill_cache
  68   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *,  int, int, bfd_vma);
  69 static CGEN_INLINE long extract_1
  70   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
  71 #endif
  72 \f
  73 /* Operand insertion.  */
  74
  75 #if ! CGEN_INT_INSN_P
  76
  77 /* Subroutine of insert_normal.  */
  78
  79 static CGEN_INLINE void
  80 insert_1 (CGEN_CPU_DESC cd,
  81           unsigned long value,
  82           int start,
  83           int length,
  84           int word_length,
  85           unsigned char *bufp)
  86 {
  87   unsigned long x,mask;
  88   int shift;
  89
  90   x = cgen_get_insn_value (cd, bufp, word_length);
  91
  92   /* Written this way to avoid undefined behaviour.  */
  93   mask = (((1L << (length - 1)) - 1) << 1) | 1;
  94   if (CGEN_INSN_LSB0_P)
  95     shift = (start + 1) - length;
  96   else
  97     shift = (word_length - (start + length));
  98   x = (x & ~(mask << shift)) | ((value & mask) << shift);
  99
 100   cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x);
 101 }
 102
 103 #endif /* ! CGEN_INT_INSN_P */
 104
 105 /* Default insertion routine.
 106
 107    ATTRS is a mask of the boolean attributes.
 108    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 109    WORD_LENGTH is the length of the word in bits in which the value resides.
 110    START is the starting bit number in the word, architecture origin.
 111    LENGTH is the length of VALUE in bits.
 112    TOTAL_LENGTH is the total length of the insn in bits.
 113
 114    The result is an error message or NULL if success.  */
 115
 116 /* ??? This duplicates functionality with bfd's howto table and
 117    bfd_install_relocation.  */
 118 /* ??? This doesn't handle bfd_vma's.  Create another function when
 119    necessary.  */
 120
 121 static const char *
 122 insert_normal (CGEN_CPU_DESC cd,
 123                long value,
 124                unsigned int attrs,
 125                unsigned int word_offset,
 126                unsigned int start,
 127                unsigned int length,
 128                unsigned int word_length,
 129                unsigned int total_length,
 130                CGEN_INSN_BYTES_PTR buffer)
 131 {
 132   static char errbuf[100];
 133   /* Written this way to avoid undefined behaviour.  */
 134   unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1;
 135
 136   /* If LENGTH is zero, this operand doesn't contribute to the value.  */
 137   if (length == 0)
 138     return NULL;
 139
 140   if (word_length > 32)
 141     abort ();
 142
 143   /* For architectures with insns smaller than the base-insn-bitsize,
 144      word_length may be too big.  */
 145   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 146     {
 147       if (word_offset == 0
 148           && word_length > total_length)
 149         word_length = total_length;
 150     }
 151
 152   /* Ensure VALUE will fit.  */
 153   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
 154     {
 155       long minval = - (1L << (length - 1));
 156       unsigned long maxval = mask;
 157
 158       if ((value > 0 && (unsigned long) value > maxval)
 159           || value < minval)
 160         {
 161           /* xgettext:c-format */
 162           sprintf (errbuf,
 163                    _("operand out of range (%ld not between %ld and %lu)"),
 164                    value, minval, maxval);
 165           return errbuf;
 166         }
 167     }
 168   else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
 169     {
 170       unsigned long maxval = mask;
 171       unsigned long val = (unsigned long) value;
 172
 173       /* For hosts with a word size > 32 check to see if value has been sign
 174          extended beyond 32 bits.  If so then ignore these higher sign bits
 175          as the user is attempting to store a 32-bit signed value into an
 176          unsigned 32-bit field which is allowed.  */
 177       if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
 178         val &= 0xFFFFFFFF;
 179
 180       if (val > maxval)
 181         {
 182           /* xgettext:c-format */
 183           sprintf (errbuf,
 184                    _("operand out of range (0x%lx not between 0 and 0x%lx)"),
 185                    val, maxval);
 186           return errbuf;
 187         }
 188     }
 189   else
 190     {
 191       if (! cgen_signed_overflow_ok_p (cd))
 192         {
 193           long minval = - (1L << (length - 1));
 194           long maxval =   (1L << (length - 1)) - 1;
 195
 196           if (value < minval || value > maxval)
 197             {
 198               sprintf
 199                 /* xgettext:c-format */
 200                 (errbuf, _("operand out of range (%ld not between %ld and %ld)"),
 201                  value, minval, maxval);
 202               return errbuf;
 203             }
 204         }
 205     }
 206
 207 #if CGEN_INT_INSN_P
 208
 209   {
 210     int shift;
 211
 212     if (CGEN_INSN_LSB0_P)
 213       shift = (word_offset + start + 1) - length;
 214     else
 215       shift = total_length - (word_offset + start + length);
 216     *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
 217   }
 218
 219 #else /* ! CGEN_INT_INSN_P */
 220
 221   {
 222     unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
 223
 224     insert_1 (cd, value, start, length, word_length, bufp);
 225   }
 226
 227 #endif /* ! CGEN_INT_INSN_P */
 228
 229   return NULL;
 230 }
 231
 232 /* Default insn builder (insert handler).
 233    The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
 234    that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
 235    recorded in host byte order, otherwise BUFFER is an array of bytes
 236    and the value is recorded in target byte order).
 237    The result is an error message or NULL if success.  */
 238
 239 static const char *
 240 insert_insn_normal (CGEN_CPU_DESC cd,
 241                     const CGEN_INSN * insn,
 242                     CGEN_FIELDS * fields,
 243                     CGEN_INSN_BYTES_PTR buffer,
 244                     bfd_vma pc)
 245 {
 246   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 247   unsigned long value;
 248   const CGEN_SYNTAX_CHAR_TYPE * syn;
 249
 250   CGEN_INIT_INSERT (cd);
 251   value = CGEN_INSN_BASE_VALUE (insn);
 252
 253   /* If we're recording insns as numbers (rather than a string of bytes),
 254      target byte order handling is deferred until later.  */
 255
 256 #if CGEN_INT_INSN_P
 257
 258   put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
 259                       CGEN_FIELDS_BITSIZE (fields), value);
 260
 261 #else
 262
 263   cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
 264                                         (unsigned) CGEN_FIELDS_BITSIZE (fields)),
 265                        value);
 266
 267 #endif /* ! CGEN_INT_INSN_P */
 268
 269   /* ??? It would be better to scan the format's fields.
 270      Still need to be able to insert a value based on the operand though;
 271      e.g. storing a branch displacement that got resolved later.
 272      Needs more thought first.  */
 273
 274   for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
 275     {
 276       const char *errmsg;
 277
 278       if (CGEN_SYNTAX_CHAR_P (* syn))
 279         continue;
 280
 281       errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 282                                        fields, buffer, pc);
 283       if (errmsg)
 284         return errmsg;
 285     }
 286
 287   return NULL;
 288 }
 289
 290 #if CGEN_INT_INSN_P
 291 /* Cover function to store an insn value into an integral insn.  Must go here
 292    because it needs <prefix>-desc.h for CGEN_INT_INSN_P.  */
 293
 294 static void
 295 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 296                     CGEN_INSN_BYTES_PTR buf,
 297                     int length,
 298                     int insn_length,
 299                     CGEN_INSN_INT value)
 300 {
 301   /* For architectures with insns smaller than the base-insn-bitsize,
 302      length may be too big.  */
 303   if (length > insn_length)
 304     *buf = value;
 305   else
 306     {
 307       int shift = insn_length - length;
 308       /* Written this way to avoid undefined behaviour.  */
 309       CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
 310
 311       *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
 312     }
 313 }
 314 #endif
 315 \f
 316 /* Operand extraction.  */
 317
 318 #if ! CGEN_INT_INSN_P
 319
 320 /* Subroutine of extract_normal.
 321    Ensure sufficient bytes are cached in EX_INFO.
 322    OFFSET is the offset in bytes from the start of the insn of the value.
 323    BYTES is the length of the needed value.
 324    Returns 1 for success, 0 for failure.  */
 325
 326 static CGEN_INLINE int
 327 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 328             CGEN_EXTRACT_INFO *ex_info,
 329             int offset,
 330             int bytes,
 331             bfd_vma pc)
 332 {
 333   /* It's doubtful that the middle part has already been fetched so
 334      we don't optimize that case.  kiss.  */
 335   unsigned int mask;
 336   disassemble_info *info = (disassemble_info *) ex_info->dis_info;
 337
 338   /* First do a quick check.  */
 339   mask = (1 << bytes) - 1;
 340   if (((ex_info->valid >> offset) & mask) == mask)
 341     return 1;
 342
 343   /* Search for the first byte we need to read.  */
 344   for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
 345     if (! (mask & ex_info->valid))
 346       break;
 347
 348   if (bytes)
 349     {
 350       int status;
 351
 352       pc += offset;
 353       status = (*info->read_memory_func)
 354         (pc, ex_info->insn_bytes + offset, bytes, info);
 355
 356       if (status != 0)
 357         {
 358           (*info->memory_error_func) (status, pc, info);
 359           return 0;
 360         }
 361
 362       ex_info->valid |= ((1 << bytes) - 1) << offset;
 363     }
 364
 365   return 1;
 366 }
 367
 368 /* Subroutine of extract_normal.  */
 369
 370 static CGEN_INLINE long
 371 extract_1 (CGEN_CPU_DESC cd,
 372            CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 373            int start,
 374            int length,
 375            int word_length,
 376            unsigned char *bufp,
 377            bfd_vma pc ATTRIBUTE_UNUSED)
 378 {
 379   unsigned long x;
 380   int shift;
 381
 382   x = cgen_get_insn_value (cd, bufp, word_length);
 383
 384   if (CGEN_INSN_LSB0_P)
 385     shift = (start + 1) - length;
 386   else
 387     shift = (word_length - (start + length));
 388   return x >> shift;
 389 }
 390
 391 #endif /* ! CGEN_INT_INSN_P */
 392
 393 /* Default extraction routine.
 394
 395    INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
 396    or sometimes less for cases like the m32r where the base insn size is 32
 397    but some insns are 16 bits.
 398    ATTRS is a mask of the boolean attributes.  We only need `SIGNED',
 399    but for generality we take a bitmask of all of them.
 400    WORD_OFFSET is the offset in bits from the start of the insn of the value.
 401    WORD_LENGTH is the length of the word in bits in which the value resides.
 402    START is the starting bit number in the word, architecture origin.
 403    LENGTH is the length of VALUE in bits.
 404    TOTAL_LENGTH is the total length of the insn in bits.
 405
 406    Returns 1 for success, 0 for failure.  */
 407
 408 /* ??? The return code isn't properly used.  wip.  */
 409
 410 /* ??? This doesn't handle bfd_vma's.  Create another function when
 411    necessary.  */
 412
 413 static int
 414 extract_normal (CGEN_CPU_DESC cd,
 415 #if ! CGEN_INT_INSN_P
 416                 CGEN_EXTRACT_INFO *ex_info,
 417 #else
 418                 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
 419 #endif
 420                 CGEN_INSN_INT insn_value,
 421                 unsigned int attrs,
 422                 unsigned int word_offset,
 423                 unsigned int start,
 424                 unsigned int length,
 425                 unsigned int word_length,
 426                 unsigned int total_length,
 427 #if ! CGEN_INT_INSN_P
 428                 bfd_vma pc,
 429 #else
 430                 bfd_vma pc ATTRIBUTE_UNUSED,
 431 #endif
 432                 long *valuep)
 433 {
 434   long value, mask;
 435
 436   /* If LENGTH is zero, this operand doesn't contribute to the value
 437      so give it a standard value of zero.  */
 438   if (length == 0)
 439     {
 440       *valuep = 0;
 441       return 1;
 442     }
 443
 444   if (word_length > 32)
 445     abort ();
 446
 447   /* For architectures with insns smaller than the insn-base-bitsize,
 448      word_length may be too big.  */
 449   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
 450     {
 451       if (word_offset + word_length > total_length)
 452         word_length = total_length - word_offset;
 453     }
 454
 455   /* Does the value reside in INSN_VALUE, and at the right alignment?  */
 456
 457   if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
 458     {
 459       if (CGEN_INSN_LSB0_P)
 460         value = insn_value >> ((word_offset + start + 1) - length);
 461       else
 462         value = insn_value >> (total_length - ( word_offset + start + length));
 463     }
 464
 465 #if ! CGEN_INT_INSN_P
 466
 467   else
 468     {
 469       unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
 470
 471       if (word_length > 32)
 472         abort ();
 473
 474       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
 475         return 0;
 476
 477       value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
 478     }
 479
 480 #endif /* ! CGEN_INT_INSN_P */
 481
 482   /* Written this way to avoid undefined behaviour.  */
 483   mask = (((1L << (length - 1)) - 1) << 1) | 1;
 484
 485   value &= mask;
 486   /* sign extend? */
 487   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
 488       && (value & (1L << (length - 1))))
 489     value |= ~mask;
 490
 491   *valuep = value;
 492
 493   return 1;
 494 }
 495
 496 /* Default insn extractor.
 497
 498    INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
 499    The extracted fields are stored in FIELDS.
 500    EX_INFO is used to handle reading variable length insns.
 501    Return the length of the insn in bits, or 0 if no match,
 502    or -1 if an error occurs fetching data (memory_error_func will have
 503    been called).  */
 504
 505 static int
 506 extract_insn_normal (CGEN_CPU_DESC cd,
 507                      const CGEN_INSN *insn,
 508                      CGEN_EXTRACT_INFO *ex_info,
 509                      CGEN_INSN_INT insn_value,
 510                      CGEN_FIELDS *fields,
 511                      bfd_vma pc)
 512 {
 513   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
 514   const CGEN_SYNTAX_CHAR_TYPE *syn;
 515
 516   CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
 517
 518   CGEN_INIT_EXTRACT (cd);
 519
 520   for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
 521     {
 522       int length;
 523
 524       if (CGEN_SYNTAX_CHAR_P (*syn))
 525         continue;
 526
 527       length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
 528                                         ex_info, insn_value, fields, pc);
 529       if (length <= 0)
 530         return length;
 531     }
 532
 533   /* We recognized and successfully extracted this insn.  */
 534   return CGEN_INSN_BITSIZE (insn);
 535 }
 536 \f
 537 /* Machine generated code added here.  */
 538
 539 const char * fr30_cgen_insert_operand
 540   (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
 541
 542 /* Main entry point for operand insertion.
 543
 544    This function is basically just a big switch statement.  Earlier versions
 545    used tables to look up the function to use, but
 546    - if the table contains both assembler and disassembler functions then
 547      the disassembler contains much of the assembler and vice-versa,
 548    - there's a lot of inlining possibilities as things grow,
 549    - using a switch statement avoids the function call overhead.
 550
 551    This function could be moved into `parse_insn_normal', but keeping it
 552    separate makes clear the interface between `parse_insn_normal' and each of
 553    the handlers.  It's also needed by GAS to insert operands that couldn't be
 554    resolved during parsing.  */
 555
 556 const char *
 557 fr30_cgen_insert_operand (CGEN_CPU_DESC cd,
 558                              int opindex,
 559                              CGEN_FIELDS * fields,
 560                              CGEN_INSN_BYTES_PTR buffer,
 561                              bfd_vma pc ATTRIBUTE_UNUSED)
 562 {
 563   const char * errmsg = NULL;
 564   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 565
 566   switch (opindex)
 567     {
 568     case FR30_OPERAND_CRI :
 569       errmsg = insert_normal (cd, fields->f_CRi, 0, 16, 12, 4, 16, total_length, buffer);
 570       break;
 571     case FR30_OPERAND_CRJ :
 572       errmsg = insert_normal (cd, fields->f_CRj, 0, 16, 8, 4, 16, total_length, buffer);
 573       break;
 574     case FR30_OPERAND_R13 :
 575       break;
 576     case FR30_OPERAND_R14 :
 577       break;
 578     case FR30_OPERAND_R15 :
 579       break;
 580     case FR30_OPERAND_RI :
 581       errmsg = insert_normal (cd, fields->f_Ri, 0, 0, 12, 4, 16, total_length, buffer);
 582       break;
 583     case FR30_OPERAND_RIC :
 584       errmsg = insert_normal (cd, fields->f_Ric, 0, 16, 12, 4, 16, total_length, buffer);
 585       break;
 586     case FR30_OPERAND_RJ :
 587       errmsg = insert_normal (cd, fields->f_Rj, 0, 0, 8, 4, 16, total_length, buffer);
 588       break;
 589     case FR30_OPERAND_RJC :
 590       errmsg = insert_normal (cd, fields->f_Rjc, 0, 16, 8, 4, 16, total_length, buffer);
 591       break;
 592     case FR30_OPERAND_RS1 :
 593       errmsg = insert_normal (cd, fields->f_Rs1, 0, 0, 8, 4, 16, total_length, buffer);
 594       break;
 595     case FR30_OPERAND_RS2 :
 596       errmsg = insert_normal (cd, fields->f_Rs2, 0, 0, 12, 4, 16, total_length, buffer);
 597       break;
 598     case FR30_OPERAND_CC :
 599       errmsg = insert_normal (cd, fields->f_cc, 0, 0, 4, 4, 16, total_length, buffer);
 600       break;
 601     case FR30_OPERAND_CCC :
 602       errmsg = insert_normal (cd, fields->f_ccc, 0, 16, 0, 8, 16, total_length, buffer);
 603       break;
 604     case FR30_OPERAND_DIR10 :
 605       {
 606         long value = fields->f_dir10;
 607         value = ((unsigned int) (value) >> (2));
 608         errmsg = insert_normal (cd, value, 0, 0, 8, 8, 16, total_length, buffer);
 609       }
 610       break;
 611     case FR30_OPERAND_DIR8 :
 612       errmsg = insert_normal (cd, fields->f_dir8, 0, 0, 8, 8, 16, total_length, buffer);
 613       break;
 614     case FR30_OPERAND_DIR9 :
 615       {
 616         long value = fields->f_dir9;
 617         value = ((unsigned int) (value) >> (1));
 618         errmsg = insert_normal (cd, value, 0, 0, 8, 8, 16, total_length, buffer);
 619       }
 620       break;
 621     case FR30_OPERAND_DISP10 :
 622       {
 623         long value = fields->f_disp10;
 624         value = ((int) (value) >> (2));
 625         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED), 0, 4, 8, 16, total_length, buffer);
 626       }
 627       break;
 628     case FR30_OPERAND_DISP8 :
 629       errmsg = insert_normal (cd, fields->f_disp8, 0|(1<<CGEN_IFLD_SIGNED), 0, 4, 8, 16, total_length, buffer);
 630       break;
 631     case FR30_OPERAND_DISP9 :
 632       {
 633         long value = fields->f_disp9;
 634         value = ((int) (value) >> (1));
 635         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED), 0, 4, 8, 16, total_length, buffer);
 636       }
 637       break;
 638     case FR30_OPERAND_I20 :
 639       {
 640 {
 641   FLD (f_i20_4) = ((unsigned int) (FLD (f_i20)) >> (16));
 642   FLD (f_i20_16) = ((FLD (f_i20)) & (65535));
 643 }
 644         errmsg = insert_normal (cd, fields->f_i20_4, 0, 0, 8, 4, 16, total_length, buffer);
 645         if (errmsg)
 646           break;
 647         errmsg = insert_normal (cd, fields->f_i20_16, 0, 16, 0, 16, 16, total_length, buffer);
 648         if (errmsg)
 649           break;
 650       }
 651       break;
 652     case FR30_OPERAND_I32 :
 653       errmsg = insert_normal (cd, fields->f_i32, 0|(1<<CGEN_IFLD_SIGN_OPT), 16, 0, 32, 32, total_length, buffer);
 654       break;
 655     case FR30_OPERAND_I8 :
 656       errmsg = insert_normal (cd, fields->f_i8, 0, 0, 4, 8, 16, total_length, buffer);
 657       break;
 658     case FR30_OPERAND_LABEL12 :
 659       {
 660         long value = fields->f_rel12;
 661         value = ((int) (((value) - (((pc) + (2))))) >> (1));
 662         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 5, 11, 16, total_length, buffer);
 663       }
 664       break;
 665     case FR30_OPERAND_LABEL9 :
 666       {
 667         long value = fields->f_rel9;
 668         value = ((int) (((value) - (((pc) + (2))))) >> (1));
 669         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 8, 8, 16, total_length, buffer);
 670       }
 671       break;
 672     case FR30_OPERAND_M4 :
 673       {
 674         long value = fields->f_m4;
 675         value = ((value) & (15));
 676         errmsg = insert_normal (cd, value, 0, 0, 8, 4, 16, total_length, buffer);
 677       }
 678       break;
 679     case FR30_OPERAND_PS :
 680       break;
 681     case FR30_OPERAND_REGLIST_HI_LD :
 682       errmsg = insert_normal (cd, fields->f_reglist_hi_ld, 0, 0, 8, 8, 16, total_length, buffer);
 683       break;
 684     case FR30_OPERAND_REGLIST_HI_ST :
 685       errmsg = insert_normal (cd, fields->f_reglist_hi_st, 0, 0, 8, 8, 16, total_length, buffer);
 686       break;
 687     case FR30_OPERAND_REGLIST_LOW_LD :
 688       errmsg = insert_normal (cd, fields->f_reglist_low_ld, 0, 0, 8, 8, 16, total_length, buffer);
 689       break;
 690     case FR30_OPERAND_REGLIST_LOW_ST :
 691       errmsg = insert_normal (cd, fields->f_reglist_low_st, 0, 0, 8, 8, 16, total_length, buffer);
 692       break;
 693     case FR30_OPERAND_S10 :
 694       {
 695         long value = fields->f_s10;
 696         value = ((int) (value) >> (2));
 697         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED), 0, 8, 8, 16, total_length, buffer);
 698       }
 699       break;
 700     case FR30_OPERAND_U10 :
 701       {
 702         long value = fields->f_u10;
 703         value = ((unsigned int) (value) >> (2));
 704         errmsg = insert_normal (cd, value, 0, 0, 8, 8, 16, total_length, buffer);
 705       }
 706       break;
 707     case FR30_OPERAND_U4 :
 708       errmsg = insert_normal (cd, fields->f_u4, 0, 0, 8, 4, 16, total_length, buffer);
 709       break;
 710     case FR30_OPERAND_U4C :
 711       errmsg = insert_normal (cd, fields->f_u4c, 0, 0, 12, 4, 16, total_length, buffer);
 712       break;
 713     case FR30_OPERAND_U8 :
 714       errmsg = insert_normal (cd, fields->f_u8, 0, 0, 8, 8, 16, total_length, buffer);
 715       break;
 716     case FR30_OPERAND_UDISP6 :
 717       {
 718         long value = fields->f_udisp6;
 719         value = ((unsigned int) (value) >> (2));
 720         errmsg = insert_normal (cd, value, 0, 0, 8, 4, 16, total_length, buffer);
 721       }
 722       break;
 723
 724     default :
 725       /* xgettext:c-format */
 726       fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
 727                opindex);
 728       abort ();
 729   }
 730
 731   return errmsg;
 732 }
 733
 734 int fr30_cgen_extract_operand
 735   (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
 736
 737 /* Main entry point for operand extraction.
 738    The result is <= 0 for error, >0 for success.
 739    ??? Actual values aren't well defined right now.
 740
 741    This function is basically just a big switch statement.  Earlier versions
 742    used tables to look up the function to use, but
 743    - if the table contains both assembler and disassembler functions then
 744      the disassembler contains much of the assembler and vice-versa,
 745    - there's a lot of inlining possibilities as things grow,
 746    - using a switch statement avoids the function call overhead.
 747
 748    This function could be moved into `print_insn_normal', but keeping it
 749    separate makes clear the interface between `print_insn_normal' and each of
 750    the handlers.  */
 751
 752 int
 753 fr30_cgen_extract_operand (CGEN_CPU_DESC cd,
 754                              int opindex,
 755                              CGEN_EXTRACT_INFO *ex_info,
 756                              CGEN_INSN_INT insn_value,
 757                              CGEN_FIELDS * fields,
 758                              bfd_vma pc)
 759 {
 760   /* Assume success (for those operands that are nops).  */
 761   int length = 1;
 762   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
 763
 764   switch (opindex)
 765     {
 766     case FR30_OPERAND_CRI :
 767       length = extract_normal (cd, ex_info, insn_value, 0, 16, 12, 4, 16, total_length, pc, & fields->f_CRi);
 768       break;
 769     case FR30_OPERAND_CRJ :
 770       length = extract_normal (cd, ex_info, insn_value, 0, 16, 8, 4, 16, total_length, pc, & fields->f_CRj);
 771       break;
 772     case FR30_OPERAND_R13 :
 773       break;
 774     case FR30_OPERAND_R14 :
 775       break;
 776     case FR30_OPERAND_R15 :
 777       break;
 778     case FR30_OPERAND_RI :
 779       length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 4, 16, total_length, pc, & fields->f_Ri);
 780       break;
 781     case FR30_OPERAND_RIC :
 782       length = extract_normal (cd, ex_info, insn_value, 0, 16, 12, 4, 16, total_length, pc, & fields->f_Ric);
 783       break;
 784     case FR30_OPERAND_RJ :
 785       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 4, 16, total_length, pc, & fields->f_Rj);
 786       break;
 787     case FR30_OPERAND_RJC :
 788       length = extract_normal (cd, ex_info, insn_value, 0, 16, 8, 4, 16, total_length, pc, & fields->f_Rjc);
 789       break;
 790     case FR30_OPERAND_RS1 :
 791       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 4, 16, total_length, pc, & fields->f_Rs1);
 792       break;
 793     case FR30_OPERAND_RS2 :
 794       length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 4, 16, total_length, pc, & fields->f_Rs2);
 795       break;
 796     case FR30_OPERAND_CC :
 797       length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 4, 16, total_length, pc, & fields->f_cc);
 798       break;
 799     case FR30_OPERAND_CCC :
 800       length = extract_normal (cd, ex_info, insn_value, 0, 16, 0, 8, 16, total_length, pc, & fields->f_ccc);
 801       break;
 802     case FR30_OPERAND_DIR10 :
 803       {
 804         long value;
 805         length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 8, 16, total_length, pc, & value);
 806         value = ((value) << (2));
 807         fields->f_dir10 = value;
 808       }
 809       break;
 810     case FR30_OPERAND_DIR8 :
 811       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 8, 16, total_length, pc, & fields->f_dir8);
 812       break;
 813     case FR30_OPERAND_DIR9 :
 814       {
 815         long value;
 816         length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 8, 16, total_length, pc, & value);
 817         value = ((value) << (1));
 818         fields->f_dir9 = value;
 819       }
 820       break;
 821     case FR30_OPERAND_DISP10 :
 822       {
 823         long value;
 824         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 4, 8, 16, total_length, pc, & value);
 825         value = ((value) << (2));
 826         fields->f_disp10 = value;
 827       }
 828       break;
 829     case FR30_OPERAND_DISP8 :
 830       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 4, 8, 16, total_length, pc, & fields->f_disp8);
 831       break;
 832     case FR30_OPERAND_DISP9 :
 833       {
 834         long value;
 835         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 4, 8, 16, total_length, pc, & value);
 836         value = ((value) << (1));
 837         fields->f_disp9 = value;
 838       }
 839       break;
 840     case FR30_OPERAND_I20 :
 841       {
 842         length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 4, 16, total_length, pc, & fields->f_i20_4);
 843         if (length <= 0) break;
 844         length = extract_normal (cd, ex_info, insn_value, 0, 16, 0, 16, 16, total_length, pc, & fields->f_i20_16);
 845         if (length <= 0) break;
 846 {
 847   FLD (f_i20) = ((((FLD (f_i20_4)) << (16))) | (FLD (f_i20_16)));
 848 }
 849       }
 850       break;
 851     case FR30_OPERAND_I32 :
 852       length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGN_OPT), 16, 0, 32, 32, total_length, pc, & fields->f_i32);
 853       break;
 854     case FR30_OPERAND_I8 :
 855       length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 8, 16, total_length, pc, & fields->f_i8);
 856       break;
 857     case FR30_OPERAND_LABEL12 :
 858       {
 859         long value;
 860         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 5, 11, 16, total_length, pc, & value);
 861         value = ((((value) << (1))) + (((pc) + (2))));
 862         fields->f_rel12 = value;
 863       }
 864       break;
 865     case FR30_OPERAND_LABEL9 :
 866       {
 867         long value;
 868         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 8, 8, 16, total_length, pc, & value);
 869         value = ((((value) << (1))) + (((pc) + (2))));
 870         fields->f_rel9 = value;
 871       }
 872       break;
 873     case FR30_OPERAND_M4 :
 874       {
 875         long value;
 876         length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 4, 16, total_length, pc, & value);
 877         value = ((value) | (((-1) << (4))));
 878         fields->f_m4 = value;
 879       }
 880       break;
 881     case FR30_OPERAND_PS :
 882       break;
 883     case FR30_OPERAND_REGLIST_HI_LD :
 884       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 8, 16, total_length, pc, & fields->f_reglist_hi_ld);
 885       break;
 886     case FR30_OPERAND_REGLIST_HI_ST :
 887       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 8, 16, total_length, pc, & fields->f_reglist_hi_st);
 888       break;
 889     case FR30_OPERAND_REGLIST_LOW_LD :
 890       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 8, 16, total_length, pc, & fields->f_reglist_low_ld);
 891       break;
 892     case FR30_OPERAND_REGLIST_LOW_ST :
 893       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 8, 16, total_length, pc, & fields->f_reglist_low_st);
 894       break;
 895     case FR30_OPERAND_S10 :
 896       {
 897         long value;
 898         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 8, 8, 16, total_length, pc, & value);
 899         value = ((value) << (2));
 900         fields->f_s10 = value;
 901       }
 902       break;
 903     case FR30_OPERAND_U10 :
 904       {
 905         long value;
 906         length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 8, 16, total_length, pc, & value);
 907         value = ((value) << (2));
 908         fields->f_u10 = value;
 909       }
 910       break;
 911     case FR30_OPERAND_U4 :
 912       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 4, 16, total_length, pc, & fields->f_u4);
 913       break;
 914     case FR30_OPERAND_U4C :
 915       length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 4, 16, total_length, pc, & fields->f_u4c);
 916       break;
 917     case FR30_OPERAND_U8 :
 918       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 8, 16, total_length, pc, & fields->f_u8);
 919       break;
 920     case FR30_OPERAND_UDISP6 :
 921       {
 922         long value;
 923         length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 4, 16, total_length, pc, & value);
 924         value = ((value) << (2));
 925         fields->f_udisp6 = value;
 926       }
 927       break;
 928
 929     default :
 930       /* xgettext:c-format */
 931       fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
 932                opindex);
 933       abort ();
 934     }
 935
 936   return length;
 937 }
 938
 939 cgen_insert_fn * const fr30_cgen_insert_handlers[] =
 940 {
 941   insert_insn_normal,
 942 };
 943
 944 cgen_extract_fn * const fr30_cgen_extract_handlers[] =
 945 {
 946   extract_insn_normal,
 947 };
 948
 949 int fr30_cgen_get_int_operand     (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 950 bfd_vma fr30_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
 951
 952 /* Getting values from cgen_fields is handled by a collection of functions.
 953    They are distinguished by the type of the VALUE argument they return.
 954    TODO: floating point, inlining support, remove cases where result type
 955    not appropriate.  */
 956
 957 int
 958 fr30_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 959                              int opindex,
 960                              const CGEN_FIELDS * fields)
 961 {
 962   int value;
 963
 964   switch (opindex)
 965     {
 966     case FR30_OPERAND_CRI :
 967       value = fields->f_CRi;
 968       break;
 969     case FR30_OPERAND_CRJ :
 970       value = fields->f_CRj;
 971       break;
 972     case FR30_OPERAND_R13 :
 973       value = 0;
 974       break;
 975     case FR30_OPERAND_R14 :
 976       value = 0;
 977       break;
 978     case FR30_OPERAND_R15 :
 979       value = 0;
 980       break;
 981     case FR30_OPERAND_RI :
 982       value = fields->f_Ri;
 983       break;
 984     case FR30_OPERAND_RIC :
 985       value = fields->f_Ric;
 986       break;
 987     case FR30_OPERAND_RJ :
 988       value = fields->f_Rj;
 989       break;
 990     case FR30_OPERAND_RJC :
 991       value = fields->f_Rjc;
 992       break;
 993     case FR30_OPERAND_RS1 :
 994       value = fields->f_Rs1;
 995       break;
 996     case FR30_OPERAND_RS2 :
 997       value = fields->f_Rs2;
 998       break;
 999     case FR30_OPERAND_CC :
1000       value = fields->f_cc;
1001       break;
1002     case FR30_OPERAND_CCC :
1003       value = fields->f_ccc;
1004       break;
1005     case FR30_OPERAND_DIR10 :
1006       value = fields->f_dir10;
1007       break;
1008     case FR30_OPERAND_DIR8 :
1009       value = fields->f_dir8;
1010       break;
1011     case FR30_OPERAND_DIR9 :
1012       value = fields->f_dir9;
1013       break;
1014     case FR30_OPERAND_DISP10 :
1015       value = fields->f_disp10;
1016       break;
1017     case FR30_OPERAND_DISP8 :
1018       value = fields->f_disp8;
1019       break;
1020     case FR30_OPERAND_DISP9 :
1021       value = fields->f_disp9;
1022       break;
1023     case FR30_OPERAND_I20 :
1024       value = fields->f_i20;
1025       break;
1026     case FR30_OPERAND_I32 :
1027       value = fields->f_i32;
1028       break;
1029     case FR30_OPERAND_I8 :
1030       value = fields->f_i8;
1031       break;
1032     case FR30_OPERAND_LABEL12 :
1033       value = fields->f_rel12;
1034       break;
1035     case FR30_OPERAND_LABEL9 :
1036       value = fields->f_rel9;
1037       break;
1038     case FR30_OPERAND_M4 :
1039       value = fields->f_m4;
1040       break;
1041     case FR30_OPERAND_PS :
1042       value = 0;
1043       break;
1044     case FR30_OPERAND_REGLIST_HI_LD :
1045       value = fields->f_reglist_hi_ld;
1046       break;
1047     case FR30_OPERAND_REGLIST_HI_ST :
1048       value = fields->f_reglist_hi_st;
1049       break;
1050     case FR30_OPERAND_REGLIST_LOW_LD :
1051       value = fields->f_reglist_low_ld;
1052       break;
1053     case FR30_OPERAND_REGLIST_LOW_ST :
1054       value = fields->f_reglist_low_st;
1055       break;
1056     case FR30_OPERAND_S10 :
1057       value = fields->f_s10;
1058       break;
1059     case FR30_OPERAND_U10 :
1060       value = fields->f_u10;
1061       break;
1062     case FR30_OPERAND_U4 :
1063       value = fields->f_u4;
1064       break;
1065     case FR30_OPERAND_U4C :
1066       value = fields->f_u4c;
1067       break;
1068     case FR30_OPERAND_U8 :
1069       value = fields->f_u8;
1070       break;
1071     case FR30_OPERAND_UDISP6 :
1072       value = fields->f_udisp6;
1073       break;
1074
1075     default :
1076       /* xgettext:c-format */
1077       fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
1078                        opindex);
1079       abort ();
1080   }
1081
1082   return value;
1083 }
1084
1085 bfd_vma
1086 fr30_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1087                              int opindex,
1088                              const CGEN_FIELDS * fields)
1089 {
1090   bfd_vma value;
1091
1092   switch (opindex)
1093     {
1094     case FR30_OPERAND_CRI :
1095       value = fields->f_CRi;
1096       break;
1097     case FR30_OPERAND_CRJ :
1098       value = fields->f_CRj;
1099       break;
1100     case FR30_OPERAND_R13 :
1101       value = 0;
1102       break;
1103     case FR30_OPERAND_R14 :
1104       value = 0;
1105       break;
1106     case FR30_OPERAND_R15 :
1107       value = 0;
1108       break;
1109     case FR30_OPERAND_RI :
1110       value = fields->f_Ri;
1111       break;
1112     case FR30_OPERAND_RIC :
1113       value = fields->f_Ric;
1114       break;
1115     case FR30_OPERAND_RJ :
1116       value = fields->f_Rj;
1117       break;
1118     case FR30_OPERAND_RJC :
1119       value = fields->f_Rjc;
1120       break;
1121     case FR30_OPERAND_RS1 :
1122       value = fields->f_Rs1;
1123       break;
1124     case FR30_OPERAND_RS2 :
1125       value = fields->f_Rs2;
1126       break;
1127     case FR30_OPERAND_CC :
1128       value = fields->f_cc;
1129       break;
1130     case FR30_OPERAND_CCC :
1131       value = fields->f_ccc;
1132       break;
1133     case FR30_OPERAND_DIR10 :
1134       value = fields->f_dir10;
1135       break;
1136     case FR30_OPERAND_DIR8 :
1137       value = fields->f_dir8;
1138       break;
1139     case FR30_OPERAND_DIR9 :
1140       value = fields->f_dir9;
1141       break;
1142     case FR30_OPERAND_DISP10 :
1143       value = fields->f_disp10;
1144       break;
1145     case FR30_OPERAND_DISP8 :
1146       value = fields->f_disp8;
1147       break;
1148     case FR30_OPERAND_DISP9 :
1149       value = fields->f_disp9;
1150       break;
1151     case FR30_OPERAND_I20 :
1152       value = fields->f_i20;
1153       break;
1154     case FR30_OPERAND_I32 :
1155       value = fields->f_i32;
1156       break;
1157     case FR30_OPERAND_I8 :
1158       value = fields->f_i8;
1159       break;
1160     case FR30_OPERAND_LABEL12 :
1161       value = fields->f_rel12;
1162       break;
1163     case FR30_OPERAND_LABEL9 :
1164       value = fields->f_rel9;
1165       break;
1166     case FR30_OPERAND_M4 :
1167       value = fields->f_m4;
1168       break;
1169     case FR30_OPERAND_PS :
1170       value = 0;
1171       break;
1172     case FR30_OPERAND_REGLIST_HI_LD :
1173       value = fields->f_reglist_hi_ld;
1174       break;
1175     case FR30_OPERAND_REGLIST_HI_ST :
1176       value = fields->f_reglist_hi_st;
1177       break;
1178     case FR30_OPERAND_REGLIST_LOW_LD :
1179       value = fields->f_reglist_low_ld;
1180       break;
1181     case FR30_OPERAND_REGLIST_LOW_ST :
1182       value = fields->f_reglist_low_st;
1183       break;
1184     case FR30_OPERAND_S10 :
1185       value = fields->f_s10;
1186       break;
1187     case FR30_OPERAND_U10 :
1188       value = fields->f_u10;
1189       break;
1190     case FR30_OPERAND_U4 :
1191       value = fields->f_u4;
1192       break;
1193     case FR30_OPERAND_U4C :
1194       value = fields->f_u4c;
1195       break;
1196     case FR30_OPERAND_U8 :
1197       value = fields->f_u8;
1198       break;
1199     case FR30_OPERAND_UDISP6 :
1200       value = fields->f_udisp6;
1201       break;
1202
1203     default :
1204       /* xgettext:c-format */
1205       fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
1206                        opindex);
1207       abort ();
1208   }
1209
1210   return value;
1211 }
1212
1213 void fr30_cgen_set_int_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
1214 void fr30_cgen_set_vma_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
1215
1216 /* Stuffing values in cgen_fields is handled by a collection of functions.
1217    They are distinguished by the type of the VALUE argument they accept.
1218    TODO: floating point, inlining support, remove cases where argument type
1219    not appropriate.  */
1220
1221 void
1222 fr30_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1223                              int opindex,
1224                              CGEN_FIELDS * fields,
1225                              int value)
1226 {
1227   switch (opindex)
1228     {
1229     case FR30_OPERAND_CRI :
1230       fields->f_CRi = value;
1231       break;
1232     case FR30_OPERAND_CRJ :
1233       fields->f_CRj = value;
1234       break;
1235     case FR30_OPERAND_R13 :
1236       break;
1237     case FR30_OPERAND_R14 :
1238       break;
1239     case FR30_OPERAND_R15 :
1240       break;
1241     case FR30_OPERAND_RI :
1242       fields->f_Ri = value;
1243       break;
1244     case FR30_OPERAND_RIC :
1245       fields->f_Ric = value;
1246       break;
1247     case FR30_OPERAND_RJ :
1248       fields->f_Rj = value;
1249       break;
1250     case FR30_OPERAND_RJC :
1251       fields->f_Rjc = value;
1252       break;
1253     case FR30_OPERAND_RS1 :
1254       fields->f_Rs1 = value;
1255       break;
1256     case FR30_OPERAND_RS2 :
1257       fields->f_Rs2 = value;
1258       break;
1259     case FR30_OPERAND_CC :
1260       fields->f_cc = value;
1261       break;
1262     case FR30_OPERAND_CCC :
1263       fields->f_ccc = value;
1264       break;
1265     case FR30_OPERAND_DIR10 :
1266       fields->f_dir10 = value;
1267       break;
1268     case FR30_OPERAND_DIR8 :
1269       fields->f_dir8 = value;
1270       break;
1271     case FR30_OPERAND_DIR9 :
1272       fields->f_dir9 = value;
1273       break;
1274     case FR30_OPERAND_DISP10 :
1275       fields->f_disp10 = value;
1276       break;
1277     case FR30_OPERAND_DISP8 :
1278       fields->f_disp8 = value;
1279       break;
1280     case FR30_OPERAND_DISP9 :
1281       fields->f_disp9 = value;
1282       break;
1283     case FR30_OPERAND_I20 :
1284       fields->f_i20 = value;
1285       break;
1286     case FR30_OPERAND_I32 :
1287       fields->f_i32 = value;
1288       break;
1289     case FR30_OPERAND_I8 :
1290       fields->f_i8 = value;
1291       break;
1292     case FR30_OPERAND_LABEL12 :
1293       fields->f_rel12 = value;
1294       break;
1295     case FR30_OPERAND_LABEL9 :
1296       fields->f_rel9 = value;
1297       break;
1298     case FR30_OPERAND_M4 :
1299       fields->f_m4 = value;
1300       break;
1301     case FR30_OPERAND_PS :
1302       break;
1303     case FR30_OPERAND_REGLIST_HI_LD :
1304       fields->f_reglist_hi_ld = value;
1305       break;
1306     case FR30_OPERAND_REGLIST_HI_ST :
1307       fields->f_reglist_hi_st = value;
1308       break;
1309     case FR30_OPERAND_REGLIST_LOW_LD :
1310       fields->f_reglist_low_ld = value;
1311       break;
1312     case FR30_OPERAND_REGLIST_LOW_ST :
1313       fields->f_reglist_low_st = value;
1314       break;
1315     case FR30_OPERAND_S10 :
1316       fields->f_s10 = value;
1317       break;
1318     case FR30_OPERAND_U10 :
1319       fields->f_u10 = value;
1320       break;
1321     case FR30_OPERAND_U4 :
1322       fields->f_u4 = value;
1323       break;
1324     case FR30_OPERAND_U4C :
1325       fields->f_u4c = value;
1326       break;
1327     case FR30_OPERAND_U8 :
1328       fields->f_u8 = value;
1329       break;
1330     case FR30_OPERAND_UDISP6 :
1331       fields->f_udisp6 = value;
1332       break;
1333
1334     default :
1335       /* xgettext:c-format */
1336       fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
1337                        opindex);
1338       abort ();
1339   }
1340 }
1341
1342 void
1343 fr30_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1344                              int opindex,
1345                              CGEN_FIELDS * fields,
1346                              bfd_vma value)
1347 {
1348   switch (opindex)
1349     {
1350     case FR30_OPERAND_CRI :
1351       fields->f_CRi = value;
1352       break;
1353     case FR30_OPERAND_CRJ :
1354       fields->f_CRj = value;
1355       break;
1356     case FR30_OPERAND_R13 :
1357       break;
1358     case FR30_OPERAND_R14 :
1359       break;
1360     case FR30_OPERAND_R15 :
1361       break;
1362     case FR30_OPERAND_RI :
1363       fields->f_Ri = value;
1364       break;
1365     case FR30_OPERAND_RIC :
1366       fields->f_Ric = value;
1367       break;
1368     case FR30_OPERAND_RJ :
1369       fields->f_Rj = value;
1370       break;
1371     case FR30_OPERAND_RJC :
1372       fields->f_Rjc = value;
1373       break;
1374     case FR30_OPERAND_RS1 :
1375       fields->f_Rs1 = value;
1376       break;
1377     case FR30_OPERAND_RS2 :
1378       fields->f_Rs2 = value;
1379       break;
1380     case FR30_OPERAND_CC :
1381       fields->f_cc = value;
1382       break;
1383     case FR30_OPERAND_CCC :
1384       fields->f_ccc = value;
1385       break;
1386     case FR30_OPERAND_DIR10 :
1387       fields->f_dir10 = value;
1388       break;
1389     case FR30_OPERAND_DIR8 :
1390       fields->f_dir8 = value;
1391       break;
1392     case FR30_OPERAND_DIR9 :
1393       fields->f_dir9 = value;
1394       break;
1395     case FR30_OPERAND_DISP10 :
1396       fields->f_disp10 = value;
1397       break;
1398     case FR30_OPERAND_DISP8 :
1399       fields->f_disp8 = value;
1400       break;
1401     case FR30_OPERAND_DISP9 :
1402       fields->f_disp9 = value;
1403       break;
1404     case FR30_OPERAND_I20 :
1405       fields->f_i20 = value;
1406       break;
1407     case FR30_OPERAND_I32 :
1408       fields->f_i32 = value;
1409       break;
1410     case FR30_OPERAND_I8 :
1411       fields->f_i8 = value;
1412       break;
1413     case FR30_OPERAND_LABEL12 :
1414       fields->f_rel12 = value;
1415       break;
1416     case FR30_OPERAND_LABEL9 :
1417       fields->f_rel9 = value;
1418       break;
1419     case FR30_OPERAND_M4 :
1420       fields->f_m4 = value;
1421       break;
1422     case FR30_OPERAND_PS :
1423       break;
1424     case FR30_OPERAND_REGLIST_HI_LD :
1425       fields->f_reglist_hi_ld = value;
1426       break;
1427     case FR30_OPERAND_REGLIST_HI_ST :
1428       fields->f_reglist_hi_st = value;
1429       break;
1430     case FR30_OPERAND_REGLIST_LOW_LD :
1431       fields->f_reglist_low_ld = value;
1432       break;
1433     case FR30_OPERAND_REGLIST_LOW_ST :
1434       fields->f_reglist_low_st = value;
1435       break;
1436     case FR30_OPERAND_S10 :
1437       fields->f_s10 = value;
1438       break;
1439     case FR30_OPERAND_U10 :
1440       fields->f_u10 = value;
1441       break;
1442     case FR30_OPERAND_U4 :
1443       fields->f_u4 = value;
1444       break;
1445     case FR30_OPERAND_U4C :
1446       fields->f_u4c = value;
1447       break;
1448     case FR30_OPERAND_U8 :
1449       fields->f_u8 = value;
1450       break;
1451     case FR30_OPERAND_UDISP6 :
1452       fields->f_udisp6 = value;
1453       break;
1454
1455     default :
1456       /* xgettext:c-format */
1457       fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
1458                        opindex);
1459       abort ();
1460   }
1461 }
1462
1463 /* Function to call before using the instruction builder tables.  */
1464
1465 void
1466 fr30_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1467 {
1468   cd->insert_handlers = & fr30_cgen_insert_handlers[0];
1469   cd->extract_handlers = & fr30_cgen_extract_handlers[0];
1470
1471   cd->insert_operand = fr30_cgen_insert_operand;
1472   cd->extract_operand = fr30_cgen_extract_operand;
1473
1474   cd->get_int_operand = fr30_cgen_get_int_operand;
1475   cd->set_int_operand = fr30_cgen_set_int_operand;
1476   cd->get_vma_operand = fr30_cgen_get_vma_operand;
1477   cd->set_vma_operand = fr30_cgen_set_vma_operand;
1478 }