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      1 /* Instruction building/extraction support for iq2000. -*- C -*-
      2 
      3    THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
      4    - the resultant file is machine generated, cgen-ibld.in isn't
      5 
      6    Copyright (C) 1996-2016 Free Software Foundation, Inc.
      7 
      8    This file is part of libopcodes.
      9 
     10    This library is free software; you can redistribute it and/or modify
     11    it under the terms of the GNU General Public License as published by
     12    the Free Software Foundation; either version 3, or (at your option)
     13    any later version.
     14 
     15    It is distributed in the hope that it will be useful, but WITHOUT
     16    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
     17    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
     18    License for more details.
     19 
     20    You should have received a copy of the GNU General Public License
     21    along with this program; if not, write to the Free Software Foundation, Inc.,
     22    51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
     23 
     24 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
     25    Keep that in mind.  */
     26 
     27 #include "sysdep.h"
     28 #include <stdio.h>
     29 #include "ansidecl.h"
     30 #include "dis-asm.h"
     31 #include "bfd.h"
     32 #include "symcat.h"
     33 #include "iq2000-desc.h"
     34 #include "iq2000-opc.h"
     35 #include "cgen/basic-modes.h"
     36 #include "opintl.h"
     37 #include "safe-ctype.h"
     38 
     39 #undef  min
     40 #define min(a,b) ((a) < (b) ? (a) : (b))
     41 #undef  max
     42 #define max(a,b) ((a) > (b) ? (a) : (b))
     43 
     44 /* Used by the ifield rtx function.  */
     45 #define FLD(f) (fields->f)
     46 
     47 static const char * insert_normal
     48   (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
     49    unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);
     50 static const char * insert_insn_normal
     51   (CGEN_CPU_DESC, const CGEN_INSN *,
     52    CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
     53 static int extract_normal
     54   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
     55    unsigned int, unsigned int, unsigned int, unsigned int,
     56    unsigned int, unsigned int, bfd_vma, long *);
     57 static int extract_insn_normal
     58   (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
     59    CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
     60 #if CGEN_INT_INSN_P
     61 static void put_insn_int_value
     62   (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
     63 #endif
     64 #if ! CGEN_INT_INSN_P
     65 static CGEN_INLINE void insert_1
     66   (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
     67 static CGEN_INLINE int fill_cache
     68   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *,  int, int, bfd_vma);
     69 static CGEN_INLINE long extract_1
     70   (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
     71 #endif
     72 
     73 /* 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 
    324 /* Operand extraction.  */
    326 
    327 #if ! CGEN_INT_INSN_P
    328 
    329 /* Subroutine of extract_normal.
    330    Ensure sufficient bytes are cached in EX_INFO.
    331    OFFSET is the offset in bytes from the start of the insn of the value.
    332    BYTES is the length of the needed value.
    333    Returns 1 for success, 0 for failure.  */
    334 
    335 static CGEN_INLINE int
    336 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
    337 	    CGEN_EXTRACT_INFO *ex_info,
    338 	    int offset,
    339 	    int bytes,
    340 	    bfd_vma pc)
    341 {
    342   /* It's doubtful that the middle part has already been fetched so
    343      we don't optimize that case.  kiss.  */
    344   unsigned int mask;
    345   disassemble_info *info = (disassemble_info *) ex_info->dis_info;
    346 
    347   /* First do a quick check.  */
    348   mask = (1 << bytes) - 1;
    349   if (((ex_info->valid >> offset) & mask) == mask)
    350     return 1;
    351 
    352   /* Search for the first byte we need to read.  */
    353   for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
    354     if (! (mask & ex_info->valid))
    355       break;
    356 
    357   if (bytes)
    358     {
    359       int status;
    360 
    361       pc += offset;
    362       status = (*info->read_memory_func)
    363 	(pc, ex_info->insn_bytes + offset, bytes, info);
    364 
    365       if (status != 0)
    366 	{
    367 	  (*info->memory_error_func) (status, pc, info);
    368 	  return 0;
    369 	}
    370 
    371       ex_info->valid |= ((1 << bytes) - 1) << offset;
    372     }
    373 
    374   return 1;
    375 }
    376 
    377 /* Subroutine of extract_normal.  */
    378 
    379 static CGEN_INLINE long
    380 extract_1 (CGEN_CPU_DESC cd,
    381 	   CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
    382 	   int start,
    383 	   int length,
    384 	   int word_length,
    385 	   unsigned char *bufp,
    386 	   bfd_vma pc ATTRIBUTE_UNUSED)
    387 {
    388   unsigned long x;
    389   int shift;
    390 
    391   x = cgen_get_insn_value (cd, bufp, word_length);
    392 
    393   if (CGEN_INSN_LSB0_P)
    394     shift = (start + 1) - length;
    395   else
    396     shift = (word_length - (start + length));
    397   return x >> shift;
    398 }
    399 
    400 #endif /* ! CGEN_INT_INSN_P */
    401 
    402 /* Default extraction routine.
    403 
    404    INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
    405    or sometimes less for cases like the m32r where the base insn size is 32
    406    but some insns are 16 bits.
    407    ATTRS is a mask of the boolean attributes.  We only need `SIGNED',
    408    but for generality we take a bitmask of all of them.
    409    WORD_OFFSET is the offset in bits from the start of the insn of the value.
    410    WORD_LENGTH is the length of the word in bits in which the value resides.
    411    START is the starting bit number in the word, architecture origin.
    412    LENGTH is the length of VALUE in bits.
    413    TOTAL_LENGTH is the total length of the insn in bits.
    414 
    415    Returns 1 for success, 0 for failure.  */
    416 
    417 /* ??? The return code isn't properly used.  wip.  */
    418 
    419 /* ??? This doesn't handle bfd_vma's.  Create another function when
    420    necessary.  */
    421 
    422 static int
    423 extract_normal (CGEN_CPU_DESC cd,
    424 #if ! CGEN_INT_INSN_P
    425 		CGEN_EXTRACT_INFO *ex_info,
    426 #else
    427 		CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
    428 #endif
    429 		CGEN_INSN_INT insn_value,
    430 		unsigned int attrs,
    431 		unsigned int word_offset,
    432 		unsigned int start,
    433 		unsigned int length,
    434 		unsigned int word_length,
    435 		unsigned int total_length,
    436 #if ! CGEN_INT_INSN_P
    437 		bfd_vma pc,
    438 #else
    439 		bfd_vma pc ATTRIBUTE_UNUSED,
    440 #endif
    441 		long *valuep)
    442 {
    443   long value, mask;
    444 
    445   /* If LENGTH is zero, this operand doesn't contribute to the value
    446      so give it a standard value of zero.  */
    447   if (length == 0)
    448     {
    449       *valuep = 0;
    450       return 1;
    451     }
    452 
    453   if (word_length > 8 * sizeof (CGEN_INSN_INT))
    454     abort ();
    455 
    456   /* For architectures with insns smaller than the insn-base-bitsize,
    457      word_length may be too big.  */
    458   if (cd->min_insn_bitsize < cd->base_insn_bitsize)
    459     {
    460       if (word_offset + word_length > total_length)
    461 	word_length = total_length - word_offset;
    462     }
    463 
    464   /* Does the value reside in INSN_VALUE, and at the right alignment?  */
    465 
    466   if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
    467     {
    468       if (CGEN_INSN_LSB0_P)
    469 	value = insn_value >> ((word_offset + start + 1) - length);
    470       else
    471 	value = insn_value >> (total_length - ( word_offset + start + length));
    472     }
    473 
    474 #if ! CGEN_INT_INSN_P
    475 
    476   else
    477     {
    478       unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
    479 
    480       if (word_length > 8 * sizeof (CGEN_INSN_INT))
    481 	abort ();
    482 
    483       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
    484 	return 0;
    485 
    486       value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
    487     }
    488 
    489 #endif /* ! CGEN_INT_INSN_P */
    490 
    491   /* Written this way to avoid undefined behaviour.  */
    492   mask = (((1L << (length - 1)) - 1) << 1) | 1;
    493 
    494   value &= mask;
    495   /* sign extend? */
    496   if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
    497       && (value & (1L << (length - 1))))
    498     value |= ~mask;
    499 
    500   *valuep = value;
    501 
    502   return 1;
    503 }
    504 
    505 /* Default insn extractor.
    506 
    507    INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
    508    The extracted fields are stored in FIELDS.
    509    EX_INFO is used to handle reading variable length insns.
    510    Return the length of the insn in bits, or 0 if no match,
    511    or -1 if an error occurs fetching data (memory_error_func will have
    512    been called).  */
    513 
    514 static int
    515 extract_insn_normal (CGEN_CPU_DESC cd,
    516 		     const CGEN_INSN *insn,
    517 		     CGEN_EXTRACT_INFO *ex_info,
    518 		     CGEN_INSN_INT insn_value,
    519 		     CGEN_FIELDS *fields,
    520 		     bfd_vma pc)
    521 {
    522   const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
    523   const CGEN_SYNTAX_CHAR_TYPE *syn;
    524 
    525   CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
    526 
    527   CGEN_INIT_EXTRACT (cd);
    528 
    529   for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
    530     {
    531       int length;
    532 
    533       if (CGEN_SYNTAX_CHAR_P (*syn))
    534 	continue;
    535 
    536       length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
    537 					ex_info, insn_value, fields, pc);
    538       if (length <= 0)
    539 	return length;
    540     }
    541 
    542   /* We recognized and successfully extracted this insn.  */
    543   return CGEN_INSN_BITSIZE (insn);
    544 }
    545 
    546 /* Machine generated code added here.  */
    548 
    549 const char * iq2000_cgen_insert_operand
    550   (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
    551 
    552 /* Main entry point for operand insertion.
    553 
    554    This function is basically just a big switch statement.  Earlier versions
    555    used tables to look up the function to use, but
    556    - if the table contains both assembler and disassembler functions then
    557      the disassembler contains much of the assembler and vice-versa,
    558    - there's a lot of inlining possibilities as things grow,
    559    - using a switch statement avoids the function call overhead.
    560 
    561    This function could be moved into `parse_insn_normal', but keeping it
    562    separate makes clear the interface between `parse_insn_normal' and each of
    563    the handlers.  It's also needed by GAS to insert operands that couldn't be
    564    resolved during parsing.  */
    565 
    566 const char *
    567 iq2000_cgen_insert_operand (CGEN_CPU_DESC cd,
    568 			     int opindex,
    569 			     CGEN_FIELDS * fields,
    570 			     CGEN_INSN_BYTES_PTR buffer,
    571 			     bfd_vma pc ATTRIBUTE_UNUSED)
    572 {
    573   const char * errmsg = NULL;
    574   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
    575 
    576   switch (opindex)
    577     {
    578     case IQ2000_OPERAND__INDEX :
    579       errmsg = insert_normal (cd, fields->f_index, 0, 0, 8, 9, 32, total_length, buffer);
    580       break;
    581     case IQ2000_OPERAND_BASE :
    582       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
    583       break;
    584     case IQ2000_OPERAND_BASEOFF :
    585       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
    586       break;
    587     case IQ2000_OPERAND_BITNUM :
    588       errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
    589       break;
    590     case IQ2000_OPERAND_BYTECOUNT :
    591       errmsg = insert_normal (cd, fields->f_bytecount, 0, 0, 7, 8, 32, total_length, buffer);
    592       break;
    593     case IQ2000_OPERAND_CAM_Y :
    594       errmsg = insert_normal (cd, fields->f_cam_y, 0, 0, 2, 3, 32, total_length, buffer);
    595       break;
    596     case IQ2000_OPERAND_CAM_Z :
    597       errmsg = insert_normal (cd, fields->f_cam_z, 0, 0, 5, 3, 32, total_length, buffer);
    598       break;
    599     case IQ2000_OPERAND_CM_3FUNC :
    600       errmsg = insert_normal (cd, fields->f_cm_3func, 0, 0, 5, 3, 32, total_length, buffer);
    601       break;
    602     case IQ2000_OPERAND_CM_3Z :
    603       errmsg = insert_normal (cd, fields->f_cm_3z, 0, 0, 1, 2, 32, total_length, buffer);
    604       break;
    605     case IQ2000_OPERAND_CM_4FUNC :
    606       errmsg = insert_normal (cd, fields->f_cm_4func, 0, 0, 5, 4, 32, total_length, buffer);
    607       break;
    608     case IQ2000_OPERAND_CM_4Z :
    609       errmsg = insert_normal (cd, fields->f_cm_4z, 0, 0, 2, 3, 32, total_length, buffer);
    610       break;
    611     case IQ2000_OPERAND_COUNT :
    612       errmsg = insert_normal (cd, fields->f_count, 0, 0, 15, 7, 32, total_length, buffer);
    613       break;
    614     case IQ2000_OPERAND_EXECODE :
    615       errmsg = insert_normal (cd, fields->f_excode, 0, 0, 25, 20, 32, total_length, buffer);
    616       break;
    617     case IQ2000_OPERAND_HI16 :
    618       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
    619       break;
    620     case IQ2000_OPERAND_IMM :
    621       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
    622       break;
    623     case IQ2000_OPERAND_JMPTARG :
    624       {
    625         long value = fields->f_jtarg;
    626         value = ((USI) (((value) & (262143))) >> (2));
    627         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, buffer);
    628       }
    629       break;
    630     case IQ2000_OPERAND_JMPTARGQ10 :
    631       {
    632         long value = fields->f_jtargq10;
    633         value = ((USI) (((value) & (8388607))) >> (2));
    634         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, buffer);
    635       }
    636       break;
    637     case IQ2000_OPERAND_LO16 :
    638       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
    639       break;
    640     case IQ2000_OPERAND_MASK :
    641       errmsg = insert_normal (cd, fields->f_mask, 0, 0, 9, 4, 32, total_length, buffer);
    642       break;
    643     case IQ2000_OPERAND_MASKL :
    644       errmsg = insert_normal (cd, fields->f_maskl, 0, 0, 4, 5, 32, total_length, buffer);
    645       break;
    646     case IQ2000_OPERAND_MASKQ10 :
    647       errmsg = insert_normal (cd, fields->f_maskq10, 0, 0, 10, 5, 32, total_length, buffer);
    648       break;
    649     case IQ2000_OPERAND_MASKR :
    650       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
    651       break;
    652     case IQ2000_OPERAND_MLO16 :
    653       errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
    654       break;
    655     case IQ2000_OPERAND_OFFSET :
    656       {
    657         long value = fields->f_offset;
    658         value = ((SI) (((value) - (pc))) >> (2));
    659         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, buffer);
    660       }
    661       break;
    662     case IQ2000_OPERAND_RD :
    663       errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
    664       break;
    665     case IQ2000_OPERAND_RD_RS :
    666       {
    667 {
    668   FLD (f_rd) = FLD (f_rd_rs);
    669   FLD (f_rs) = FLD (f_rd_rs);
    670 }
    671         errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
    672         if (errmsg)
    673           break;
    674         errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
    675         if (errmsg)
    676           break;
    677       }
    678       break;
    679     case IQ2000_OPERAND_RD_RT :
    680       {
    681 {
    682   FLD (f_rd) = FLD (f_rd_rt);
    683   FLD (f_rt) = FLD (f_rd_rt);
    684 }
    685         errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
    686         if (errmsg)
    687           break;
    688         errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
    689         if (errmsg)
    690           break;
    691       }
    692       break;
    693     case IQ2000_OPERAND_RS :
    694       errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
    695       break;
    696     case IQ2000_OPERAND_RT :
    697       errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
    698       break;
    699     case IQ2000_OPERAND_RT_RS :
    700       {
    701 {
    702   FLD (f_rt) = FLD (f_rt_rs);
    703   FLD (f_rs) = FLD (f_rt_rs);
    704 }
    705         errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
    706         if (errmsg)
    707           break;
    708         errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
    709         if (errmsg)
    710           break;
    711       }
    712       break;
    713     case IQ2000_OPERAND_SHAMT :
    714       errmsg = insert_normal (cd, fields->f_shamt, 0, 0, 10, 5, 32, total_length, buffer);
    715       break;
    716 
    717     default :
    718       /* xgettext:c-format */
    719       fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
    720 	       opindex);
    721       abort ();
    722   }
    723 
    724   return errmsg;
    725 }
    726 
    727 int iq2000_cgen_extract_operand
    728   (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
    729 
    730 /* Main entry point for operand extraction.
    731    The result is <= 0 for error, >0 for success.
    732    ??? Actual values aren't well defined right now.
    733 
    734    This function is basically just a big switch statement.  Earlier versions
    735    used tables to look up the function to use, but
    736    - if the table contains both assembler and disassembler functions then
    737      the disassembler contains much of the assembler and vice-versa,
    738    - there's a lot of inlining possibilities as things grow,
    739    - using a switch statement avoids the function call overhead.
    740 
    741    This function could be moved into `print_insn_normal', but keeping it
    742    separate makes clear the interface between `print_insn_normal' and each of
    743    the handlers.  */
    744 
    745 int
    746 iq2000_cgen_extract_operand (CGEN_CPU_DESC cd,
    747 			     int opindex,
    748 			     CGEN_EXTRACT_INFO *ex_info,
    749 			     CGEN_INSN_INT insn_value,
    750 			     CGEN_FIELDS * fields,
    751 			     bfd_vma pc)
    752 {
    753   /* Assume success (for those operands that are nops).  */
    754   int length = 1;
    755   unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
    756 
    757   switch (opindex)
    758     {
    759     case IQ2000_OPERAND__INDEX :
    760       length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_index);
    761       break;
    762     case IQ2000_OPERAND_BASE :
    763       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
    764       break;
    765     case IQ2000_OPERAND_BASEOFF :
    766       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
    767       break;
    768     case IQ2000_OPERAND_BITNUM :
    769       length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
    770       break;
    771     case IQ2000_OPERAND_BYTECOUNT :
    772       length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 8, 32, total_length, pc, & fields->f_bytecount);
    773       break;
    774     case IQ2000_OPERAND_CAM_Y :
    775       length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cam_y);
    776       break;
    777     case IQ2000_OPERAND_CAM_Z :
    778       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cam_z);
    779       break;
    780     case IQ2000_OPERAND_CM_3FUNC :
    781       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cm_3func);
    782       break;
    783     case IQ2000_OPERAND_CM_3Z :
    784       length = extract_normal (cd, ex_info, insn_value, 0, 0, 1, 2, 32, total_length, pc, & fields->f_cm_3z);
    785       break;
    786     case IQ2000_OPERAND_CM_4FUNC :
    787       length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 4, 32, total_length, pc, & fields->f_cm_4func);
    788       break;
    789     case IQ2000_OPERAND_CM_4Z :
    790       length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cm_4z);
    791       break;
    792     case IQ2000_OPERAND_COUNT :
    793       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 7, 32, total_length, pc, & fields->f_count);
    794       break;
    795     case IQ2000_OPERAND_EXECODE :
    796       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 20, 32, total_length, pc, & fields->f_excode);
    797       break;
    798     case IQ2000_OPERAND_HI16 :
    799       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
    800       break;
    801     case IQ2000_OPERAND_IMM :
    802       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
    803       break;
    804     case IQ2000_OPERAND_JMPTARG :
    805       {
    806         long value;
    807         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, pc, & value);
    808         value = ((((pc) & (0xf0000000))) | (((value) << (2))));
    809         fields->f_jtarg = value;
    810       }
    811       break;
    812     case IQ2000_OPERAND_JMPTARGQ10 :
    813       {
    814         long value;
    815         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, pc, & value);
    816         value = ((((pc) & (0xf0000000))) | (((value) << (2))));
    817         fields->f_jtargq10 = value;
    818       }
    819       break;
    820     case IQ2000_OPERAND_LO16 :
    821       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
    822       break;
    823     case IQ2000_OPERAND_MASK :
    824       length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 4, 32, total_length, pc, & fields->f_mask);
    825       break;
    826     case IQ2000_OPERAND_MASKL :
    827       length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 5, 32, total_length, pc, & fields->f_maskl);
    828       break;
    829     case IQ2000_OPERAND_MASKQ10 :
    830       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_maskq10);
    831       break;
    832     case IQ2000_OPERAND_MASKR :
    833       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
    834       break;
    835     case IQ2000_OPERAND_MLO16 :
    836       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
    837       break;
    838     case IQ2000_OPERAND_OFFSET :
    839       {
    840         long value;
    841         length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, pc, & value);
    842         value = ((((value) << (2))) + (((pc) + (4))));
    843         fields->f_offset = value;
    844       }
    845       break;
    846     case IQ2000_OPERAND_RD :
    847       length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
    848       break;
    849     case IQ2000_OPERAND_RD_RS :
    850       {
    851         length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
    852         if (length <= 0) break;
    853         length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
    854         if (length <= 0) break;
    855 {
    856   FLD (f_rd_rs) = FLD (f_rs);
    857 }
    858       }
    859       break;
    860     case IQ2000_OPERAND_RD_RT :
    861       {
    862         length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
    863         if (length <= 0) break;
    864         length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
    865         if (length <= 0) break;
    866 {
    867   FLD (f_rd_rt) = FLD (f_rt);
    868 }
    869       }
    870       break;
    871     case IQ2000_OPERAND_RS :
    872       length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
    873       break;
    874     case IQ2000_OPERAND_RT :
    875       length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
    876       break;
    877     case IQ2000_OPERAND_RT_RS :
    878       {
    879         length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
    880         if (length <= 0) break;
    881         length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
    882         if (length <= 0) break;
    883 {
    884   FLD (f_rd_rs) = FLD (f_rs);
    885 }
    886       }
    887       break;
    888     case IQ2000_OPERAND_SHAMT :
    889       length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_shamt);
    890       break;
    891 
    892     default :
    893       /* xgettext:c-format */
    894       fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
    895 	       opindex);
    896       abort ();
    897     }
    898 
    899   return length;
    900 }
    901 
    902 cgen_insert_fn * const iq2000_cgen_insert_handlers[] =
    903 {
    904   insert_insn_normal,
    905 };
    906 
    907 cgen_extract_fn * const iq2000_cgen_extract_handlers[] =
    908 {
    909   extract_insn_normal,
    910 };
    911 
    912 int iq2000_cgen_get_int_operand     (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
    913 bfd_vma iq2000_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
    914 
    915 /* Getting values from cgen_fields is handled by a collection of functions.
    916    They are distinguished by the type of the VALUE argument they return.
    917    TODO: floating point, inlining support, remove cases where result type
    918    not appropriate.  */
    919 
    920 int
    921 iq2000_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
    922 			     int opindex,
    923 			     const CGEN_FIELDS * fields)
    924 {
    925   int value;
    926 
    927   switch (opindex)
    928     {
    929     case IQ2000_OPERAND__INDEX :
    930       value = fields->f_index;
    931       break;
    932     case IQ2000_OPERAND_BASE :
    933       value = fields->f_rs;
    934       break;
    935     case IQ2000_OPERAND_BASEOFF :
    936       value = fields->f_imm;
    937       break;
    938     case IQ2000_OPERAND_BITNUM :
    939       value = fields->f_rt;
    940       break;
    941     case IQ2000_OPERAND_BYTECOUNT :
    942       value = fields->f_bytecount;
    943       break;
    944     case IQ2000_OPERAND_CAM_Y :
    945       value = fields->f_cam_y;
    946       break;
    947     case IQ2000_OPERAND_CAM_Z :
    948       value = fields->f_cam_z;
    949       break;
    950     case IQ2000_OPERAND_CM_3FUNC :
    951       value = fields->f_cm_3func;
    952       break;
    953     case IQ2000_OPERAND_CM_3Z :
    954       value = fields->f_cm_3z;
    955       break;
    956     case IQ2000_OPERAND_CM_4FUNC :
    957       value = fields->f_cm_4func;
    958       break;
    959     case IQ2000_OPERAND_CM_4Z :
    960       value = fields->f_cm_4z;
    961       break;
    962     case IQ2000_OPERAND_COUNT :
    963       value = fields->f_count;
    964       break;
    965     case IQ2000_OPERAND_EXECODE :
    966       value = fields->f_excode;
    967       break;
    968     case IQ2000_OPERAND_HI16 :
    969       value = fields->f_imm;
    970       break;
    971     case IQ2000_OPERAND_IMM :
    972       value = fields->f_imm;
    973       break;
    974     case IQ2000_OPERAND_JMPTARG :
    975       value = fields->f_jtarg;
    976       break;
    977     case IQ2000_OPERAND_JMPTARGQ10 :
    978       value = fields->f_jtargq10;
    979       break;
    980     case IQ2000_OPERAND_LO16 :
    981       value = fields->f_imm;
    982       break;
    983     case IQ2000_OPERAND_MASK :
    984       value = fields->f_mask;
    985       break;
    986     case IQ2000_OPERAND_MASKL :
    987       value = fields->f_maskl;
    988       break;
    989     case IQ2000_OPERAND_MASKQ10 :
    990       value = fields->f_maskq10;
    991       break;
    992     case IQ2000_OPERAND_MASKR :
    993       value = fields->f_rs;
    994       break;
    995     case IQ2000_OPERAND_MLO16 :
    996       value = fields->f_imm;
    997       break;
    998     case IQ2000_OPERAND_OFFSET :
    999       value = fields->f_offset;
   1000       break;
   1001     case IQ2000_OPERAND_RD :
   1002       value = fields->f_rd;
   1003       break;
   1004     case IQ2000_OPERAND_RD_RS :
   1005       value = fields->f_rd_rs;
   1006       break;
   1007     case IQ2000_OPERAND_RD_RT :
   1008       value = fields->f_rd_rt;
   1009       break;
   1010     case IQ2000_OPERAND_RS :
   1011       value = fields->f_rs;
   1012       break;
   1013     case IQ2000_OPERAND_RT :
   1014       value = fields->f_rt;
   1015       break;
   1016     case IQ2000_OPERAND_RT_RS :
   1017       value = fields->f_rt_rs;
   1018       break;
   1019     case IQ2000_OPERAND_SHAMT :
   1020       value = fields->f_shamt;
   1021       break;
   1022 
   1023     default :
   1024       /* xgettext:c-format */
   1025       fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
   1026 		       opindex);
   1027       abort ();
   1028   }
   1029 
   1030   return value;
   1031 }
   1032 
   1033 bfd_vma
   1034 iq2000_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
   1035 			     int opindex,
   1036 			     const CGEN_FIELDS * fields)
   1037 {
   1038   bfd_vma value;
   1039 
   1040   switch (opindex)
   1041     {
   1042     case IQ2000_OPERAND__INDEX :
   1043       value = fields->f_index;
   1044       break;
   1045     case IQ2000_OPERAND_BASE :
   1046       value = fields->f_rs;
   1047       break;
   1048     case IQ2000_OPERAND_BASEOFF :
   1049       value = fields->f_imm;
   1050       break;
   1051     case IQ2000_OPERAND_BITNUM :
   1052       value = fields->f_rt;
   1053       break;
   1054     case IQ2000_OPERAND_BYTECOUNT :
   1055       value = fields->f_bytecount;
   1056       break;
   1057     case IQ2000_OPERAND_CAM_Y :
   1058       value = fields->f_cam_y;
   1059       break;
   1060     case IQ2000_OPERAND_CAM_Z :
   1061       value = fields->f_cam_z;
   1062       break;
   1063     case IQ2000_OPERAND_CM_3FUNC :
   1064       value = fields->f_cm_3func;
   1065       break;
   1066     case IQ2000_OPERAND_CM_3Z :
   1067       value = fields->f_cm_3z;
   1068       break;
   1069     case IQ2000_OPERAND_CM_4FUNC :
   1070       value = fields->f_cm_4func;
   1071       break;
   1072     case IQ2000_OPERAND_CM_4Z :
   1073       value = fields->f_cm_4z;
   1074       break;
   1075     case IQ2000_OPERAND_COUNT :
   1076       value = fields->f_count;
   1077       break;
   1078     case IQ2000_OPERAND_EXECODE :
   1079       value = fields->f_excode;
   1080       break;
   1081     case IQ2000_OPERAND_HI16 :
   1082       value = fields->f_imm;
   1083       break;
   1084     case IQ2000_OPERAND_IMM :
   1085       value = fields->f_imm;
   1086       break;
   1087     case IQ2000_OPERAND_JMPTARG :
   1088       value = fields->f_jtarg;
   1089       break;
   1090     case IQ2000_OPERAND_JMPTARGQ10 :
   1091       value = fields->f_jtargq10;
   1092       break;
   1093     case IQ2000_OPERAND_LO16 :
   1094       value = fields->f_imm;
   1095       break;
   1096     case IQ2000_OPERAND_MASK :
   1097       value = fields->f_mask;
   1098       break;
   1099     case IQ2000_OPERAND_MASKL :
   1100       value = fields->f_maskl;
   1101       break;
   1102     case IQ2000_OPERAND_MASKQ10 :
   1103       value = fields->f_maskq10;
   1104       break;
   1105     case IQ2000_OPERAND_MASKR :
   1106       value = fields->f_rs;
   1107       break;
   1108     case IQ2000_OPERAND_MLO16 :
   1109       value = fields->f_imm;
   1110       break;
   1111     case IQ2000_OPERAND_OFFSET :
   1112       value = fields->f_offset;
   1113       break;
   1114     case IQ2000_OPERAND_RD :
   1115       value = fields->f_rd;
   1116       break;
   1117     case IQ2000_OPERAND_RD_RS :
   1118       value = fields->f_rd_rs;
   1119       break;
   1120     case IQ2000_OPERAND_RD_RT :
   1121       value = fields->f_rd_rt;
   1122       break;
   1123     case IQ2000_OPERAND_RS :
   1124       value = fields->f_rs;
   1125       break;
   1126     case IQ2000_OPERAND_RT :
   1127       value = fields->f_rt;
   1128       break;
   1129     case IQ2000_OPERAND_RT_RS :
   1130       value = fields->f_rt_rs;
   1131       break;
   1132     case IQ2000_OPERAND_SHAMT :
   1133       value = fields->f_shamt;
   1134       break;
   1135 
   1136     default :
   1137       /* xgettext:c-format */
   1138       fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
   1139 		       opindex);
   1140       abort ();
   1141   }
   1142 
   1143   return value;
   1144 }
   1145 
   1146 void iq2000_cgen_set_int_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
   1147 void iq2000_cgen_set_vma_operand  (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
   1148 
   1149 /* Stuffing values in cgen_fields is handled by a collection of functions.
   1150    They are distinguished by the type of the VALUE argument they accept.
   1151    TODO: floating point, inlining support, remove cases where argument type
   1152    not appropriate.  */
   1153 
   1154 void
   1155 iq2000_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
   1156 			     int opindex,
   1157 			     CGEN_FIELDS * fields,
   1158 			     int value)
   1159 {
   1160   switch (opindex)
   1161     {
   1162     case IQ2000_OPERAND__INDEX :
   1163       fields->f_index = value;
   1164       break;
   1165     case IQ2000_OPERAND_BASE :
   1166       fields->f_rs = value;
   1167       break;
   1168     case IQ2000_OPERAND_BASEOFF :
   1169       fields->f_imm = value;
   1170       break;
   1171     case IQ2000_OPERAND_BITNUM :
   1172       fields->f_rt = value;
   1173       break;
   1174     case IQ2000_OPERAND_BYTECOUNT :
   1175       fields->f_bytecount = value;
   1176       break;
   1177     case IQ2000_OPERAND_CAM_Y :
   1178       fields->f_cam_y = value;
   1179       break;
   1180     case IQ2000_OPERAND_CAM_Z :
   1181       fields->f_cam_z = value;
   1182       break;
   1183     case IQ2000_OPERAND_CM_3FUNC :
   1184       fields->f_cm_3func = value;
   1185       break;
   1186     case IQ2000_OPERAND_CM_3Z :
   1187       fields->f_cm_3z = value;
   1188       break;
   1189     case IQ2000_OPERAND_CM_4FUNC :
   1190       fields->f_cm_4func = value;
   1191       break;
   1192     case IQ2000_OPERAND_CM_4Z :
   1193       fields->f_cm_4z = value;
   1194       break;
   1195     case IQ2000_OPERAND_COUNT :
   1196       fields->f_count = value;
   1197       break;
   1198     case IQ2000_OPERAND_EXECODE :
   1199       fields->f_excode = value;
   1200       break;
   1201     case IQ2000_OPERAND_HI16 :
   1202       fields->f_imm = value;
   1203       break;
   1204     case IQ2000_OPERAND_IMM :
   1205       fields->f_imm = value;
   1206       break;
   1207     case IQ2000_OPERAND_JMPTARG :
   1208       fields->f_jtarg = value;
   1209       break;
   1210     case IQ2000_OPERAND_JMPTARGQ10 :
   1211       fields->f_jtargq10 = value;
   1212       break;
   1213     case IQ2000_OPERAND_LO16 :
   1214       fields->f_imm = value;
   1215       break;
   1216     case IQ2000_OPERAND_MASK :
   1217       fields->f_mask = value;
   1218       break;
   1219     case IQ2000_OPERAND_MASKL :
   1220       fields->f_maskl = value;
   1221       break;
   1222     case IQ2000_OPERAND_MASKQ10 :
   1223       fields->f_maskq10 = value;
   1224       break;
   1225     case IQ2000_OPERAND_MASKR :
   1226       fields->f_rs = value;
   1227       break;
   1228     case IQ2000_OPERAND_MLO16 :
   1229       fields->f_imm = value;
   1230       break;
   1231     case IQ2000_OPERAND_OFFSET :
   1232       fields->f_offset = value;
   1233       break;
   1234     case IQ2000_OPERAND_RD :
   1235       fields->f_rd = value;
   1236       break;
   1237     case IQ2000_OPERAND_RD_RS :
   1238       fields->f_rd_rs = value;
   1239       break;
   1240     case IQ2000_OPERAND_RD_RT :
   1241       fields->f_rd_rt = value;
   1242       break;
   1243     case IQ2000_OPERAND_RS :
   1244       fields->f_rs = value;
   1245       break;
   1246     case IQ2000_OPERAND_RT :
   1247       fields->f_rt = value;
   1248       break;
   1249     case IQ2000_OPERAND_RT_RS :
   1250       fields->f_rt_rs = value;
   1251       break;
   1252     case IQ2000_OPERAND_SHAMT :
   1253       fields->f_shamt = value;
   1254       break;
   1255 
   1256     default :
   1257       /* xgettext:c-format */
   1258       fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
   1259 		       opindex);
   1260       abort ();
   1261   }
   1262 }
   1263 
   1264 void
   1265 iq2000_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
   1266 			     int opindex,
   1267 			     CGEN_FIELDS * fields,
   1268 			     bfd_vma value)
   1269 {
   1270   switch (opindex)
   1271     {
   1272     case IQ2000_OPERAND__INDEX :
   1273       fields->f_index = value;
   1274       break;
   1275     case IQ2000_OPERAND_BASE :
   1276       fields->f_rs = value;
   1277       break;
   1278     case IQ2000_OPERAND_BASEOFF :
   1279       fields->f_imm = value;
   1280       break;
   1281     case IQ2000_OPERAND_BITNUM :
   1282       fields->f_rt = value;
   1283       break;
   1284     case IQ2000_OPERAND_BYTECOUNT :
   1285       fields->f_bytecount = value;
   1286       break;
   1287     case IQ2000_OPERAND_CAM_Y :
   1288       fields->f_cam_y = value;
   1289       break;
   1290     case IQ2000_OPERAND_CAM_Z :
   1291       fields->f_cam_z = value;
   1292       break;
   1293     case IQ2000_OPERAND_CM_3FUNC :
   1294       fields->f_cm_3func = value;
   1295       break;
   1296     case IQ2000_OPERAND_CM_3Z :
   1297       fields->f_cm_3z = value;
   1298       break;
   1299     case IQ2000_OPERAND_CM_4FUNC :
   1300       fields->f_cm_4func = value;
   1301       break;
   1302     case IQ2000_OPERAND_CM_4Z :
   1303       fields->f_cm_4z = value;
   1304       break;
   1305     case IQ2000_OPERAND_COUNT :
   1306       fields->f_count = value;
   1307       break;
   1308     case IQ2000_OPERAND_EXECODE :
   1309       fields->f_excode = value;
   1310       break;
   1311     case IQ2000_OPERAND_HI16 :
   1312       fields->f_imm = value;
   1313       break;
   1314     case IQ2000_OPERAND_IMM :
   1315       fields->f_imm = value;
   1316       break;
   1317     case IQ2000_OPERAND_JMPTARG :
   1318       fields->f_jtarg = value;
   1319       break;
   1320     case IQ2000_OPERAND_JMPTARGQ10 :
   1321       fields->f_jtargq10 = value;
   1322       break;
   1323     case IQ2000_OPERAND_LO16 :
   1324       fields->f_imm = value;
   1325       break;
   1326     case IQ2000_OPERAND_MASK :
   1327       fields->f_mask = value;
   1328       break;
   1329     case IQ2000_OPERAND_MASKL :
   1330       fields->f_maskl = value;
   1331       break;
   1332     case IQ2000_OPERAND_MASKQ10 :
   1333       fields->f_maskq10 = value;
   1334       break;
   1335     case IQ2000_OPERAND_MASKR :
   1336       fields->f_rs = value;
   1337       break;
   1338     case IQ2000_OPERAND_MLO16 :
   1339       fields->f_imm = value;
   1340       break;
   1341     case IQ2000_OPERAND_OFFSET :
   1342       fields->f_offset = value;
   1343       break;
   1344     case IQ2000_OPERAND_RD :
   1345       fields->f_rd = value;
   1346       break;
   1347     case IQ2000_OPERAND_RD_RS :
   1348       fields->f_rd_rs = value;
   1349       break;
   1350     case IQ2000_OPERAND_RD_RT :
   1351       fields->f_rd_rt = value;
   1352       break;
   1353     case IQ2000_OPERAND_RS :
   1354       fields->f_rs = value;
   1355       break;
   1356     case IQ2000_OPERAND_RT :
   1357       fields->f_rt = value;
   1358       break;
   1359     case IQ2000_OPERAND_RT_RS :
   1360       fields->f_rt_rs = value;
   1361       break;
   1362     case IQ2000_OPERAND_SHAMT :
   1363       fields->f_shamt = value;
   1364       break;
   1365 
   1366     default :
   1367       /* xgettext:c-format */
   1368       fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
   1369 		       opindex);
   1370       abort ();
   1371   }
   1372 }
   1373 
   1374 /* Function to call before using the instruction builder tables.  */
   1375 
   1376 void
   1377 iq2000_cgen_init_ibld_table (CGEN_CPU_DESC cd)
   1378 {
   1379   cd->insert_handlers = & iq2000_cgen_insert_handlers[0];
   1380   cd->extract_handlers = & iq2000_cgen_extract_handlers[0];
   1381 
   1382   cd->insert_operand = iq2000_cgen_insert_operand;
   1383   cd->extract_operand = iq2000_cgen_extract_operand;
   1384 
   1385   cd->get_int_operand = iq2000_cgen_get_int_operand;
   1386   cd->set_int_operand = iq2000_cgen_set_int_operand;
   1387   cd->get_vma_operand = iq2000_cgen_get_vma_operand;
   1388   cd->set_vma_operand = iq2000_cgen_set_vma_operand;
   1389 }
   1390