[thirdparty/binutils-gdb.git] / sim / iq2000 / decode.c

/* Simulator instruction decoder for iq2000bf.

THIS FILE IS MACHINE GENERATED WITH CGEN.

Copyright (C) 1996-2024 Free Software Foundation, Inc.

This file is part of the GNU simulators.

   This file is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.

   It is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
   License for more details.

   You should have received a copy of the GNU General Public License along
   with this program; if not, write to the Free Software Foundation, Inc.,
   51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.

*/

#define WANT_CPU iq2000bf
#define WANT_CPU_IQ2000BF

#include "sim-main.h"
#include "sim-assert.h"
#include "cgen-mem.h"
#include "cgen-ops.h"

/* The instruction descriptor array.
   This is computed at runtime.  Space for it is not malloc'd to save a
   teensy bit of cpu in the decoder.  Moving it to malloc space is trivial
   but won't be done until necessary (we don't currently support the runtime
   addition of instructions nor an SMP machine with different cpus).  */
static IDESC iq2000bf_insn_data[IQ2000BF_INSN__MAX];

/* Commas between elements are contained in the macros.
   Some of these are conditionally compiled out.  */

static const struct insn_sem iq2000bf_insn_sem[] =
{
  { VIRTUAL_INSN_X_INVALID, IQ2000BF_INSN_X_INVALID, IQ2000BF_SFMT_EMPTY },
  { VIRTUAL_INSN_X_AFTER, IQ2000BF_INSN_X_AFTER, IQ2000BF_SFMT_EMPTY },
  { VIRTUAL_INSN_X_BEFORE, IQ2000BF_INSN_X_BEFORE, IQ2000BF_SFMT_EMPTY },
  { VIRTUAL_INSN_X_CTI_CHAIN, IQ2000BF_INSN_X_CTI_CHAIN, IQ2000BF_SFMT_EMPTY },
  { VIRTUAL_INSN_X_CHAIN, IQ2000BF_INSN_X_CHAIN, IQ2000BF_SFMT_EMPTY },
  { VIRTUAL_INSN_X_BEGIN, IQ2000BF_INSN_X_BEGIN, IQ2000BF_SFMT_EMPTY },
  { IQ2000_INSN_ADD, IQ2000BF_INSN_ADD, IQ2000BF_SFMT_ADD },
  { IQ2000_INSN_ADDI, IQ2000BF_INSN_ADDI, IQ2000BF_SFMT_ADDI },
  { IQ2000_INSN_ADDIU, IQ2000BF_INSN_ADDIU, IQ2000BF_SFMT_ADDI },
  { IQ2000_INSN_ADDU, IQ2000BF_INSN_ADDU, IQ2000BF_SFMT_ADD },
  { IQ2000_INSN_ADO16, IQ2000BF_INSN_ADO16, IQ2000BF_SFMT_ADD },
  { IQ2000_INSN_AND, IQ2000BF_INSN_AND, IQ2000BF_SFMT_ADD },
  { IQ2000_INSN_ANDI, IQ2000BF_INSN_ANDI, IQ2000BF_SFMT_ADDI },
  { IQ2000_INSN_ANDOI, IQ2000BF_INSN_ANDOI, IQ2000BF_SFMT_ADDI },
  { IQ2000_INSN_NOR, IQ2000BF_INSN_NOR, IQ2000BF_SFMT_ADD },
  { IQ2000_INSN_OR, IQ2000BF_INSN_OR, IQ2000BF_SFMT_ADD },
  { IQ2000_INSN_ORI, IQ2000BF_INSN_ORI, IQ2000BF_SFMT_ADDI },
  { IQ2000_INSN_RAM, IQ2000BF_INSN_RAM, IQ2000BF_SFMT_RAM },
  { IQ2000_INSN_SLL, IQ2000BF_INSN_SLL, IQ2000BF_SFMT_SLL },
  { IQ2000_INSN_SLLV, IQ2000BF_INSN_SLLV, IQ2000BF_SFMT_ADD },
  { IQ2000_INSN_SLMV, IQ2000BF_INSN_SLMV, IQ2000BF_SFMT_SLMV },
  { IQ2000_INSN_SLT, IQ2000BF_INSN_SLT, IQ2000BF_SFMT_SLT },
  { IQ2000_INSN_SLTI, IQ2000BF_INSN_SLTI, IQ2000BF_SFMT_SLTI },
  { IQ2000_INSN_SLTIU, IQ2000BF_INSN_SLTIU, IQ2000BF_SFMT_SLTI },
  { IQ2000_INSN_SLTU, IQ2000BF_INSN_SLTU, IQ2000BF_SFMT_SLT },
  { IQ2000_INSN_SRA, IQ2000BF_INSN_SRA, IQ2000BF_SFMT_SLL },
  { IQ2000_INSN_SRAV, IQ2000BF_INSN_SRAV, IQ2000BF_SFMT_ADD },
  { IQ2000_INSN_SRL, IQ2000BF_INSN_SRL, IQ2000BF_SFMT_SLL },
  { IQ2000_INSN_SRLV, IQ2000BF_INSN_SRLV, IQ2000BF_SFMT_ADD },
  { IQ2000_INSN_SRMV, IQ2000BF_INSN_SRMV, IQ2000BF_SFMT_SLMV },
  { IQ2000_INSN_SUB, IQ2000BF_INSN_SUB, IQ2000BF_SFMT_ADD },
  { IQ2000_INSN_SUBU, IQ2000BF_INSN_SUBU, IQ2000BF_SFMT_ADD },
  { IQ2000_INSN_XOR, IQ2000BF_INSN_XOR, IQ2000BF_SFMT_ADD },
  { IQ2000_INSN_XORI, IQ2000BF_INSN_XORI, IQ2000BF_SFMT_ADDI },
  { IQ2000_INSN_BBI, IQ2000BF_INSN_BBI, IQ2000BF_SFMT_BBI },
  { IQ2000_INSN_BBIN, IQ2000BF_INSN_BBIN, IQ2000BF_SFMT_BBI },
  { IQ2000_INSN_BBV, IQ2000BF_INSN_BBV, IQ2000BF_SFMT_BBV },
  { IQ2000_INSN_BBVN, IQ2000BF_INSN_BBVN, IQ2000BF_SFMT_BBV },
  { IQ2000_INSN_BEQ, IQ2000BF_INSN_BEQ, IQ2000BF_SFMT_BBV },
  { IQ2000_INSN_BEQL, IQ2000BF_INSN_BEQL, IQ2000BF_SFMT_BBV },
  { IQ2000_INSN_BGEZ, IQ2000BF_INSN_BGEZ, IQ2000BF_SFMT_BGEZ },
  { IQ2000_INSN_BGEZAL, IQ2000BF_INSN_BGEZAL, IQ2000BF_SFMT_BGEZAL },
  { IQ2000_INSN_BGEZALL, IQ2000BF_INSN_BGEZALL, IQ2000BF_SFMT_BGEZAL },
  { IQ2000_INSN_BGEZL, IQ2000BF_INSN_BGEZL, IQ2000BF_SFMT_BGEZ },
  { IQ2000_INSN_BLTZ, IQ2000BF_INSN_BLTZ, IQ2000BF_SFMT_BGEZ },
  { IQ2000_INSN_BLTZL, IQ2000BF_INSN_BLTZL, IQ2000BF_SFMT_BGEZ },
  { IQ2000_INSN_BLTZAL, IQ2000BF_INSN_BLTZAL, IQ2000BF_SFMT_BGEZAL },
  { IQ2000_INSN_BLTZALL, IQ2000BF_INSN_BLTZALL, IQ2000BF_SFMT_BGEZAL },
  { IQ2000_INSN_BMB0, IQ2000BF_INSN_BMB0, IQ2000BF_SFMT_BBV },
  { IQ2000_INSN_BMB1, IQ2000BF_INSN_BMB1, IQ2000BF_SFMT_BBV },
  { IQ2000_INSN_BMB2, IQ2000BF_INSN_BMB2, IQ2000BF_SFMT_BBV },
  { IQ2000_INSN_BMB3, IQ2000BF_INSN_BMB3, IQ2000BF_SFMT_BBV },
  { IQ2000_INSN_BNE, IQ2000BF_INSN_BNE, IQ2000BF_SFMT_BBV },
  { IQ2000_INSN_BNEL, IQ2000BF_INSN_BNEL, IQ2000BF_SFMT_BBV },
  { IQ2000_INSN_JALR, IQ2000BF_INSN_JALR, IQ2000BF_SFMT_JALR },
  { IQ2000_INSN_JR, IQ2000BF_INSN_JR, IQ2000BF_SFMT_JR },
  { IQ2000_INSN_LB, IQ2000BF_INSN_LB, IQ2000BF_SFMT_LB },
  { IQ2000_INSN_LBU, IQ2000BF_INSN_LBU, IQ2000BF_SFMT_LB },
  { IQ2000_INSN_LH, IQ2000BF_INSN_LH, IQ2000BF_SFMT_LH },
  { IQ2000_INSN_LHU, IQ2000BF_INSN_LHU, IQ2000BF_SFMT_LH },
  { IQ2000_INSN_LUI, IQ2000BF_INSN_LUI, IQ2000BF_SFMT_LUI },
  { IQ2000_INSN_LW, IQ2000BF_INSN_LW, IQ2000BF_SFMT_LW },
  { IQ2000_INSN_SB, IQ2000BF_INSN_SB, IQ2000BF_SFMT_SB },
  { IQ2000_INSN_SH, IQ2000BF_INSN_SH, IQ2000BF_SFMT_SH },
  { IQ2000_INSN_SW, IQ2000BF_INSN_SW, IQ2000BF_SFMT_SW },
  { IQ2000_INSN_BREAK, IQ2000BF_INSN_BREAK, IQ2000BF_SFMT_BREAK },
  { IQ2000_INSN_SYSCALL, IQ2000BF_INSN_SYSCALL, IQ2000BF_SFMT_BREAK },
  { IQ2000_INSN_ANDOUI, IQ2000BF_INSN_ANDOUI, IQ2000BF_SFMT_ANDOUI },
  { IQ2000_INSN_ORUI, IQ2000BF_INSN_ORUI, IQ2000BF_SFMT_ANDOUI },
  { IQ2000_INSN_BGTZ, IQ2000BF_INSN_BGTZ, IQ2000BF_SFMT_BGEZ },
  { IQ2000_INSN_BGTZL, IQ2000BF_INSN_BGTZL, IQ2000BF_SFMT_BGEZ },
  { IQ2000_INSN_BLEZ, IQ2000BF_INSN_BLEZ, IQ2000BF_SFMT_BGEZ },
  { IQ2000_INSN_BLEZL, IQ2000BF_INSN_BLEZL, IQ2000BF_SFMT_BGEZ },
  { IQ2000_INSN_MRGB, IQ2000BF_INSN_MRGB, IQ2000BF_SFMT_MRGB },
  { IQ2000_INSN_BCTXT, IQ2000BF_INSN_BCTXT, IQ2000BF_SFMT_BCTXT },
  { IQ2000_INSN_BC0F, IQ2000BF_INSN_BC0F, IQ2000BF_SFMT_BCTXT },
  { IQ2000_INSN_BC0FL, IQ2000BF_INSN_BC0FL, IQ2000BF_SFMT_BCTXT },
  { IQ2000_INSN_BC3F, IQ2000BF_INSN_BC3F, IQ2000BF_SFMT_BCTXT },
  { IQ2000_INSN_BC3FL, IQ2000BF_INSN_BC3FL, IQ2000BF_SFMT_BCTXT },
  { IQ2000_INSN_BC0T, IQ2000BF_INSN_BC0T, IQ2000BF_SFMT_BCTXT },
  { IQ2000_INSN_BC0TL, IQ2000BF_INSN_BC0TL, IQ2000BF_SFMT_BCTXT },
  { IQ2000_INSN_BC3T, IQ2000BF_INSN_BC3T, IQ2000BF_SFMT_BCTXT },
  { IQ2000_INSN_BC3TL, IQ2000BF_INSN_BC3TL, IQ2000BF_SFMT_BCTXT },
  { IQ2000_INSN_CFC0, IQ2000BF_INSN_CFC0, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_CFC1, IQ2000BF_INSN_CFC1, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_CFC2, IQ2000BF_INSN_CFC2, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_CFC3, IQ2000BF_INSN_CFC3, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_CHKHDR, IQ2000BF_INSN_CHKHDR, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_CTC0, IQ2000BF_INSN_CTC0, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_CTC1, IQ2000BF_INSN_CTC1, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_CTC2, IQ2000BF_INSN_CTC2, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_CTC3, IQ2000BF_INSN_CTC3, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_JCR, IQ2000BF_INSN_JCR, IQ2000BF_SFMT_BCTXT },
  { IQ2000_INSN_LUC32, IQ2000BF_INSN_LUC32, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LUC32L, IQ2000BF_INSN_LUC32L, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LUC64, IQ2000BF_INSN_LUC64, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LUC64L, IQ2000BF_INSN_LUC64L, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LUK, IQ2000BF_INSN_LUK, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LULCK, IQ2000BF_INSN_LULCK, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LUM32, IQ2000BF_INSN_LUM32, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LUM32L, IQ2000BF_INSN_LUM32L, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LUM64, IQ2000BF_INSN_LUM64, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LUM64L, IQ2000BF_INSN_LUM64L, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LUR, IQ2000BF_INSN_LUR, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LURL, IQ2000BF_INSN_LURL, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LUULCK, IQ2000BF_INSN_LUULCK, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_MFC0, IQ2000BF_INSN_MFC0, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_MFC1, IQ2000BF_INSN_MFC1, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_MFC2, IQ2000BF_INSN_MFC2, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_MFC3, IQ2000BF_INSN_MFC3, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_MTC0, IQ2000BF_INSN_MTC0, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_MTC1, IQ2000BF_INSN_MTC1, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_MTC2, IQ2000BF_INSN_MTC2, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_MTC3, IQ2000BF_INSN_MTC3, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_PKRL, IQ2000BF_INSN_PKRL, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_PKRLR1, IQ2000BF_INSN_PKRLR1, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_PKRLR30, IQ2000BF_INSN_PKRLR30, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_RB, IQ2000BF_INSN_RB, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_RBR1, IQ2000BF_INSN_RBR1, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_RBR30, IQ2000BF_INSN_RBR30, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_RFE, IQ2000BF_INSN_RFE, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_RX, IQ2000BF_INSN_RX, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_RXR1, IQ2000BF_INSN_RXR1, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_RXR30, IQ2000BF_INSN_RXR30, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_SLEEP, IQ2000BF_INSN_SLEEP, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_SRRD, IQ2000BF_INSN_SRRD, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_SRRDL, IQ2000BF_INSN_SRRDL, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_SRULCK, IQ2000BF_INSN_SRULCK, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_SRWR, IQ2000BF_INSN_SRWR, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_SRWRU, IQ2000BF_INSN_SRWRU, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_TRAPQFL, IQ2000BF_INSN_TRAPQFL, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_TRAPQNE, IQ2000BF_INSN_TRAPQNE, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_TRAPREL, IQ2000BF_INSN_TRAPREL, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_WB, IQ2000BF_INSN_WB, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_WBU, IQ2000BF_INSN_WBU, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_WBR1, IQ2000BF_INSN_WBR1, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_WBR1U, IQ2000BF_INSN_WBR1U, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_WBR30, IQ2000BF_INSN_WBR30, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_WBR30U, IQ2000BF_INSN_WBR30U, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_WX, IQ2000BF_INSN_WX, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_WXU, IQ2000BF_INSN_WXU, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_WXR1, IQ2000BF_INSN_WXR1, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_WXR1U, IQ2000BF_INSN_WXR1U, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_WXR30, IQ2000BF_INSN_WXR30, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_WXR30U, IQ2000BF_INSN_WXR30U, IQ2000BF_SFMT_CFC0 },
  { IQ2000_INSN_LDW, IQ2000BF_INSN_LDW, IQ2000BF_SFMT_LDW },
  { IQ2000_INSN_SDW, IQ2000BF_INSN_SDW, IQ2000BF_SFMT_SDW },
  { IQ2000_INSN_J, IQ2000BF_INSN_J, IQ2000BF_SFMT_J },
  { IQ2000_INSN_JAL, IQ2000BF_INSN_JAL, IQ2000BF_SFMT_JAL },
  { IQ2000_INSN_BMB, IQ2000BF_INSN_BMB, IQ2000BF_SFMT_BBV },
};

static const struct insn_sem iq2000bf_insn_sem_invalid =
{
  VIRTUAL_INSN_X_INVALID, IQ2000BF_INSN_X_INVALID, IQ2000BF_SFMT_EMPTY
};

/* Initialize an IDESC from the compile-time computable parts.  */

static INLINE void
init_idesc (SIM_CPU *cpu, IDESC *id, const struct insn_sem *t)
{
  const CGEN_INSN *insn_table = CGEN_CPU_INSN_TABLE (CPU_CPU_DESC (cpu))->init_entries;

  id->num = t->index;
  id->sfmt = t->sfmt;
  if ((int) t->type <= 0)
    id->idata = & cgen_virtual_insn_table[- (int) t->type];
  else
    id->idata = & insn_table[t->type];
  id->attrs = CGEN_INSN_ATTRS (id->idata);
  /* Oh my god, a magic number.  */
  id->length = CGEN_INSN_BITSIZE (id->idata) / 8;

#if WITH_PROFILE_MODEL_P
  id->timing = & MODEL_TIMING (CPU_MODEL (cpu)) [t->index];
  {
    SIM_DESC sd = CPU_STATE (cpu);
    SIM_ASSERT (t->index == id->timing->num);
  }
#endif

  /* Semantic pointers are initialized elsewhere.  */
}

/* Initialize the instruction descriptor table.  */

void
iq2000bf_init_idesc_table (SIM_CPU *cpu)
{
  IDESC *id,*tabend;
  const struct insn_sem *t,*tend;
  int tabsize = IQ2000BF_INSN__MAX;
  IDESC *table = iq2000bf_insn_data;

  memset (table, 0, tabsize * sizeof (IDESC));

  /* First set all entries to the `invalid insn'.  */
  t = & iq2000bf_insn_sem_invalid;
  for (id = table, tabend = table + tabsize; id < tabend; ++id)
    init_idesc (cpu, id, t);

  /* Now fill in the values for the chosen cpu.  */
  for (t = iq2000bf_insn_sem, tend = t + ARRAY_SIZE (iq2000bf_insn_sem);
       t != tend; ++t)
    {
      init_idesc (cpu, & table[t->index], t);
    }

  /* Link the IDESC table into the cpu.  */
  CPU_IDESC (cpu) = table;
}

/* Given an instruction, return a pointer to its IDESC entry.  */

const IDESC *
iq2000bf_decode (SIM_CPU *current_cpu, IADDR pc,
              CGEN_INSN_WORD base_insn, CGEN_INSN_WORD entire_insn,
              ARGBUF *abuf)
{
  /* Result of decoder.  */
  IQ2000BF_INSN_TYPE itype;

  {
    CGEN_INSN_WORD insn = base_insn;

    {
      unsigned int val0 = (((insn >> 26) & (63 << 0)));
      switch (val0)
      {
      case 0:
        {
          unsigned int val1 = (((insn >> 1) & (1 << 4)) | ((insn >> 0) & (15 << 0)));
          switch (val1)
          {
          case 0:
            if ((entire_insn & 0xffe0003f) == 0x0)
              { itype = IQ2000BF_INSN_SLL; goto extract_sfmt_sll; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 1:
            if ((entire_insn & 0xfc00003f) == 0x1)
              { itype = IQ2000BF_INSN_SLMV; goto extract_sfmt_slmv; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 2:
            if ((entire_insn & 0xffe0003f) == 0x2)
              { itype = IQ2000BF_INSN_SRL; goto extract_sfmt_sll; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 3:
            if ((entire_insn & 0xffe0003f) == 0x3)
              { itype = IQ2000BF_INSN_SRA; goto extract_sfmt_sll; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 4:
            if ((entire_insn & 0xfc0007ff) == 0x4)
              { itype = IQ2000BF_INSN_SLLV; goto extract_sfmt_add; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 5:
            if ((entire_insn & 0xfc00003f) == 0x5)
              { itype = IQ2000BF_INSN_SRMV; goto extract_sfmt_slmv; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 6:
            if ((entire_insn & 0xfc0007ff) == 0x6)
              { itype = IQ2000BF_INSN_SRLV; goto extract_sfmt_add; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 7:
            if ((entire_insn & 0xfc0007ff) == 0x7)
              { itype = IQ2000BF_INSN_SRAV; goto extract_sfmt_add; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 8:
            if ((entire_insn & 0xfc1fffff) == 0x8)
              { itype = IQ2000BF_INSN_JR; goto extract_sfmt_jr; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 9:
            if ((entire_insn & 0xfc1f07ff) == 0x9)
              { itype = IQ2000BF_INSN_JALR; goto extract_sfmt_jalr; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 10:
            if ((entire_insn & 0xfc1fffff) == 0xa)
              { itype = IQ2000BF_INSN_JCR; goto extract_sfmt_bctxt; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 12:
            if ((entire_insn & 0xfc00003f) == 0xc)
              { itype = IQ2000BF_INSN_SYSCALL; goto extract_sfmt_break; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 13:
            if ((entire_insn & 0xffffffff) == 0xd)
              { itype = IQ2000BF_INSN_BREAK; goto extract_sfmt_break; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 14:
            if ((entire_insn & 0xfc00003f) == 0xe)
              { itype = IQ2000BF_INSN_SLEEP; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 16:
            if ((entire_insn & 0xfc0007ff) == 0x20)
              { itype = IQ2000BF_INSN_ADD; goto extract_sfmt_add; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 17:
            if ((entire_insn & 0xfc0007ff) == 0x21)
              { itype = IQ2000BF_INSN_ADDU; goto extract_sfmt_add; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 18:
            if ((entire_insn & 0xfc0007ff) == 0x22)
              { itype = IQ2000BF_INSN_SUB; goto extract_sfmt_add; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 19:
            if ((entire_insn & 0xfc0007ff) == 0x23)
              { itype = IQ2000BF_INSN_SUBU; goto extract_sfmt_add; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 20:
            if ((entire_insn & 0xfc0007ff) == 0x24)
              { itype = IQ2000BF_INSN_AND; goto extract_sfmt_add; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 21:
            if ((entire_insn & 0xfc0007ff) == 0x25)
              { itype = IQ2000BF_INSN_OR; goto extract_sfmt_add; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 22:
            if ((entire_insn & 0xfc0007ff) == 0x26)
              { itype = IQ2000BF_INSN_XOR; goto extract_sfmt_add; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 23:
            if ((entire_insn & 0xfc0007ff) == 0x27)
              { itype = IQ2000BF_INSN_NOR; goto extract_sfmt_add; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 25:
            if ((entire_insn & 0xfc0007ff) == 0x29)
              { itype = IQ2000BF_INSN_ADO16; goto extract_sfmt_add; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 26:
            if ((entire_insn & 0xfc0007ff) == 0x2a)
              { itype = IQ2000BF_INSN_SLT; goto extract_sfmt_slt; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 27:
            if ((entire_insn & 0xfc0007ff) == 0x2b)
              { itype = IQ2000BF_INSN_SLTU; goto extract_sfmt_slt; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 29:
            if ((entire_insn & 0xfc00043f) == 0x2d)
              { itype = IQ2000BF_INSN_MRGB; goto extract_sfmt_mrgb; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 1:
        {
          unsigned int val1 = (((insn >> 17) & (1 << 3)) | ((insn >> 16) & (7 << 0)));
          switch (val1)
          {
          case 0:
            if ((entire_insn & 0xfc1f0000) == 0x4000000)
              { itype = IQ2000BF_INSN_BLTZ; goto extract_sfmt_bgez; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 1:
            if ((entire_insn & 0xfc1f0000) == 0x4010000)
              { itype = IQ2000BF_INSN_BGEZ; goto extract_sfmt_bgez; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 2:
            if ((entire_insn & 0xfc1f0000) == 0x4020000)
              { itype = IQ2000BF_INSN_BLTZL; goto extract_sfmt_bgez; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 3:
            if ((entire_insn & 0xfc1f0000) == 0x4030000)
              { itype = IQ2000BF_INSN_BGEZL; goto extract_sfmt_bgez; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 6:
            if ((entire_insn & 0xfc1f0000) == 0x4060000)
              { itype = IQ2000BF_INSN_BCTXT; goto extract_sfmt_bctxt; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 8:
            if ((entire_insn & 0xfc1f0000) == 0x4100000)
              { itype = IQ2000BF_INSN_BLTZAL; goto extract_sfmt_bgezal; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 9:
            if ((entire_insn & 0xfc1f0000) == 0x4110000)
              { itype = IQ2000BF_INSN_BGEZAL; goto extract_sfmt_bgezal; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 10:
            if ((entire_insn & 0xfc1f0000) == 0x4120000)
              { itype = IQ2000BF_INSN_BLTZALL; goto extract_sfmt_bgezal; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 11:
            if ((entire_insn & 0xfc1f0000) == 0x4130000)
              { itype = IQ2000BF_INSN_BGEZALL; goto extract_sfmt_bgezal; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 2:
        if ((entire_insn & 0xffff0000) == 0x8000000)
          { itype = IQ2000BF_INSN_J; goto extract_sfmt_j; }
        itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
      case 3:
        if ((entire_insn & 0xffff0000) == 0xc000000)
          { itype = IQ2000BF_INSN_JAL; goto extract_sfmt_jal; }
        itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
      case 4: itype = IQ2000BF_INSN_BEQ; goto extract_sfmt_bbv;
      case 5: itype = IQ2000BF_INSN_BNE; goto extract_sfmt_bbv;
      case 6:
        if ((entire_insn & 0xfc1f0000) == 0x18000000)
          { itype = IQ2000BF_INSN_BLEZ; goto extract_sfmt_bgez; }
        itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
      case 7:
        if ((entire_insn & 0xfc1f0000) == 0x1c000000)
          { itype = IQ2000BF_INSN_BGTZ; goto extract_sfmt_bgez; }
        itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
      case 8: itype = IQ2000BF_INSN_ADDI; goto extract_sfmt_addi;
      case 9: itype = IQ2000BF_INSN_ADDIU; goto extract_sfmt_addi;
      case 10: itype = IQ2000BF_INSN_SLTI; goto extract_sfmt_slti;
      case 11: itype = IQ2000BF_INSN_SLTIU; goto extract_sfmt_slti;
      case 12: itype = IQ2000BF_INSN_ANDI; goto extract_sfmt_addi;
      case 13: itype = IQ2000BF_INSN_ORI; goto extract_sfmt_addi;
      case 14: itype = IQ2000BF_INSN_XORI; goto extract_sfmt_addi;
      case 15:
        if ((entire_insn & 0xffe00000) == 0x3c000000)
          { itype = IQ2000BF_INSN_LUI; goto extract_sfmt_lui; }
        itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
      case 16:
        {
          unsigned int val1 = (((insn >> 19) & (15 << 3)) | ((insn >> 15) & (3 << 1)) | ((insn >> 4) & (1 << 0)));
          switch (val1)
          {
          case 0:
          case 2:
          case 4:
          case 6:
            if ((entire_insn & 0xffe007ff) == 0x40000000)
              { itype = IQ2000BF_INSN_MFC0; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 8:
          case 10:
          case 12:
          case 14:
            if ((entire_insn & 0xffe007ff) == 0x40400000)
              { itype = IQ2000BF_INSN_CFC0; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 16:
          case 18:
          case 20:
          case 22:
            if ((entire_insn & 0xffe007ff) == 0x40800000)
              { itype = IQ2000BF_INSN_MTC0; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 24:
          case 26:
          case 28:
          case 30:
            if ((entire_insn & 0xffe007ff) == 0x40c00000)
              { itype = IQ2000BF_INSN_CTC0; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 32:
          case 33:
            if ((entire_insn & 0xffff0000) == 0x41000000)
              { itype = IQ2000BF_INSN_BC0F; goto extract_sfmt_bctxt; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 34:
          case 35:
            if ((entire_insn & 0xffff0000) == 0x41010000)
              { itype = IQ2000BF_INSN_BC0T; goto extract_sfmt_bctxt; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 36:
          case 37:
            if ((entire_insn & 0xffff0000) == 0x41020000)
              { itype = IQ2000BF_INSN_BC0FL; goto extract_sfmt_bctxt; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 38:
          case 39:
            if ((entire_insn & 0xffff0000) == 0x41030000)
              { itype = IQ2000BF_INSN_BC0TL; goto extract_sfmt_bctxt; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 65:
            if ((entire_insn & 0xffffffff) == 0x42000010)
              { itype = IQ2000BF_INSN_RFE; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 17:
        {
          unsigned int val1 = (((insn >> 22) & (3 << 0)));
          switch (val1)
          {
          case 0:
            if ((entire_insn & 0xffe007ff) == 0x44000000)
              { itype = IQ2000BF_INSN_MFC1; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 1:
            if ((entire_insn & 0xffe007ff) == 0x44400000)
              { itype = IQ2000BF_INSN_CFC1; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 2:
            if ((entire_insn & 0xffe007ff) == 0x44800000)
              { itype = IQ2000BF_INSN_MTC1; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 3:
            if ((entire_insn & 0xffe007ff) == 0x44c00000)
              { itype = IQ2000BF_INSN_CTC1; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 18:
        {
          unsigned int val1 = (((insn >> 16) & (3 << 5)) | ((insn >> 0) & (31 << 0)));
          switch (val1)
          {
          case 0:
            {
              unsigned int val2 = (((insn >> 23) & (1 << 0)));
              switch (val2)
              {
              case 0:
                if ((entire_insn & 0xffe007ff) == 0x48000000)
                  { itype = IQ2000BF_INSN_MFC2; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              case 1:
                if ((entire_insn & 0xffe007ff) == 0x48800000)
                  { itype = IQ2000BF_INSN_MTC2; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 32:
            if ((entire_insn & 0xffe0ffff) == 0x48200000)
              { itype = IQ2000BF_INSN_LUULCK; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 33:
            if ((entire_insn & 0xffe007ff) == 0x48200001)
              { itype = IQ2000BF_INSN_LUR; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 34:
            if ((entire_insn & 0xffe007ff) == 0x48200002)
              { itype = IQ2000BF_INSN_LUM32; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 35:
            if ((entire_insn & 0xffe007ff) == 0x48200003)
              { itype = IQ2000BF_INSN_LUC32; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 36:
            if ((entire_insn & 0xffe0ffff) == 0x48200004)
              { itype = IQ2000BF_INSN_LULCK; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 37:
            if ((entire_insn & 0xffe007ff) == 0x48200005)
              { itype = IQ2000BF_INSN_LURL; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 38:
            if ((entire_insn & 0xffe007ff) == 0x48200006)
              { itype = IQ2000BF_INSN_LUM32L; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 39:
            if ((entire_insn & 0xffe007ff) == 0x48200007)
              { itype = IQ2000BF_INSN_LUC32L; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 40:
            if ((entire_insn & 0xffe007ff) == 0x48200008)
              { itype = IQ2000BF_INSN_LUK; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 42:
            if ((entire_insn & 0xffe007ff) == 0x4820000a)
              { itype = IQ2000BF_INSN_LUM64; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 43:
            if ((entire_insn & 0xffe007ff) == 0x4820000b)
              { itype = IQ2000BF_INSN_LUC64; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 46:
            if ((entire_insn & 0xffe007ff) == 0x4820000e)
              { itype = IQ2000BF_INSN_LUM64L; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 47:
            if ((entire_insn & 0xffe007ff) == 0x4820000f)
              { itype = IQ2000BF_INSN_LUC64L; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 48:
            if ((entire_insn & 0xffe0ffff) == 0x48200010)
              { itype = IQ2000BF_INSN_SRRD; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 49:
            if ((entire_insn & 0xffe007ff) == 0x48200011)
              { itype = IQ2000BF_INSN_SRWR; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 52:
            if ((entire_insn & 0xffe0ffff) == 0x48200014)
              { itype = IQ2000BF_INSN_SRRDL; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 53:
            if ((entire_insn & 0xffe007ff) == 0x48200015)
              { itype = IQ2000BF_INSN_SRWRU; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 54:
            if ((entire_insn & 0xffe0ffff) == 0x48200016)
              { itype = IQ2000BF_INSN_SRULCK; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 64:
            {
              unsigned int val2 = (((insn >> 23) & (1 << 0)));
              switch (val2)
              {
              case 0:
                if ((entire_insn & 0xffe007ff) == 0x48400000)
                  { itype = IQ2000BF_INSN_CFC2; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              case 1:
                if ((entire_insn & 0xffe007ff) == 0x48c00000)
                  { itype = IQ2000BF_INSN_CTC2; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 19:
        {
          unsigned int val1 = (((insn >> 19) & (31 << 2)) | ((insn >> 0) & (3 << 0)));
          switch (val1)
          {
          case 0:
            if ((entire_insn & 0xffe007ff) == 0x4c000000)
              { itype = IQ2000BF_INSN_MFC3; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 4:
            {
              unsigned int val2 = (((insn >> 2) & (3 << 0)));
              switch (val2)
              {
              case 0:
                if ((entire_insn & 0xffe007ff) == 0x4c200000)
                  { itype = IQ2000BF_INSN_WB; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              case 1:
                if ((entire_insn & 0xffe007ff) == 0x4c200004)
                  { itype = IQ2000BF_INSN_RB; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              case 2:
                if ((entire_insn & 0xffffffff) == 0x4c200008)
                  { itype = IQ2000BF_INSN_TRAPQFL; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 5:
            {
              unsigned int val2 = (((insn >> 3) & (1 << 0)));
              switch (val2)
              {
              case 0:
                if ((entire_insn & 0xffe007ff) == 0x4c200001)
                  { itype = IQ2000BF_INSN_WBU; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              case 1:
                if ((entire_insn & 0xffffffff) == 0x4c200009)
                  { itype = IQ2000BF_INSN_TRAPQNE; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 6:
            {
              unsigned int val2 = (((insn >> 2) & (3 << 0)));
              switch (val2)
              {
              case 0:
                if ((entire_insn & 0xffe007ff) == 0x4c200002)
                  { itype = IQ2000BF_INSN_WX; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              case 1:
                if ((entire_insn & 0xffe007ff) == 0x4c200006)
                  { itype = IQ2000BF_INSN_RX; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              case 2:
                if ((entire_insn & 0xffe0ffff) == 0x4c20000a)
                  { itype = IQ2000BF_INSN_TRAPREL; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 7:
            {
              unsigned int val2 = (((insn >> 2) & (1 << 0)));
              switch (val2)
              {
              case 0:
                if ((entire_insn & 0xffe007ff) == 0x4c200003)
                  { itype = IQ2000BF_INSN_WXU; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              case 1:
                if ((entire_insn & 0xffe007ff) == 0x4c200007)
                  { itype = IQ2000BF_INSN_PKRL; goto extract_sfmt_cfc0; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 8:
            if ((entire_insn & 0xffe007ff) == 0x4c400000)
              { itype = IQ2000BF_INSN_CFC3; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 16:
            if ((entire_insn & 0xffe007ff) == 0x4c800000)
              { itype = IQ2000BF_INSN_MTC3; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 24:
            if ((entire_insn & 0xffe007ff) == 0x4cc00000)
              { itype = IQ2000BF_INSN_CTC3; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 32:
          case 33:
          case 34:
          case 35:
            {
              unsigned int val2 = (((insn >> 16) & (3 << 0)));
              switch (val2)
              {
              case 0:
                if ((entire_insn & 0xffff0000) == 0x4d000000)
                  { itype = IQ2000BF_INSN_BC3F; goto extract_sfmt_bctxt; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              case 1:
                if ((entire_insn & 0xffff0000) == 0x4d010000)
                  { itype = IQ2000BF_INSN_BC3T; goto extract_sfmt_bctxt; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              case 2:
                if ((entire_insn & 0xffff0000) == 0x4d020000)
                  { itype = IQ2000BF_INSN_BC3FL; goto extract_sfmt_bctxt; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              case 3:
                if ((entire_insn & 0xffff0000) == 0x4d030000)
                  { itype = IQ2000BF_INSN_BC3TL; goto extract_sfmt_bctxt; }
                itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
              }
            }
          case 36:
            if ((entire_insn & 0xffe007ff) == 0x4d200000)
              { itype = IQ2000BF_INSN_CHKHDR; goto extract_sfmt_cfc0; }
            itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          case 64:
          case 65:
          case 66:
          case 67: itype = IQ2000BF_INSN_WBR1; goto extract_sfmt_cfc0;
          case 68:
          case 69:
          case 70:
          case 71: itype = IQ2000BF_INSN_WBR1U; goto extract_sfmt_cfc0;
          case 72:
          case 73:
          case 74:
          case 75: itype = IQ2000BF_INSN_WBR30; goto extract_sfmt_cfc0;
          case 76:
          case 77:
          case 78:
          case 79: itype = IQ2000BF_INSN_WBR30U; goto extract_sfmt_cfc0;
          case 80:
          case 81:
          case 82:
          case 83: itype = IQ2000BF_INSN_WXR1; goto extract_sfmt_cfc0;
          case 84:
          case 85:
          case 86:
          case 87: itype = IQ2000BF_INSN_WXR1U; goto extract_sfmt_cfc0;
          case 88:
          case 89:
          case 90:
          case 91: itype = IQ2000BF_INSN_WXR30; goto extract_sfmt_cfc0;
          case 92:
          case 93:
          case 94:
          case 95: itype = IQ2000BF_INSN_WXR30U; goto extract_sfmt_cfc0;
          case 96:
          case 97:
          case 98:
          case 99: itype = IQ2000BF_INSN_RBR1; goto extract_sfmt_cfc0;
          case 104:
          case 105:
          case 106:
          case 107: itype = IQ2000BF_INSN_RBR30; goto extract_sfmt_cfc0;
          case 112:
          case 113:
          case 114:
          case 115: itype = IQ2000BF_INSN_RXR1; goto extract_sfmt_cfc0;
          case 116:
          case 117:
          case 118:
          case 119: itype = IQ2000BF_INSN_PKRLR1; goto extract_sfmt_cfc0;
          case 120:
          case 121:
          case 122:
          case 123: itype = IQ2000BF_INSN_RXR30; goto extract_sfmt_cfc0;
          case 124:
          case 125:
          case 126:
          case 127: itype = IQ2000BF_INSN_PKRLR30; goto extract_sfmt_cfc0;
          default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
          }
        }
      case 20: itype = IQ2000BF_INSN_BEQL; goto extract_sfmt_bbv;
      case 21: itype = IQ2000BF_INSN_BNEL; goto extract_sfmt_bbv;
      case 22:
        if ((entire_insn & 0xfc1f0000) == 0x58000000)
          { itype = IQ2000BF_INSN_BLEZL; goto extract_sfmt_bgez; }
        itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
      case 23:
        if ((entire_insn & 0xfc1f0000) == 0x5c000000)
          { itype = IQ2000BF_INSN_BGTZL; goto extract_sfmt_bgez; }
        itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
      case 24: itype = IQ2000BF_INSN_BMB0; goto extract_sfmt_bbv;
      case 25: itype = IQ2000BF_INSN_BMB1; goto extract_sfmt_bbv;
      case 26: itype = IQ2000BF_INSN_BMB2; goto extract_sfmt_bbv;
      case 27: itype = IQ2000BF_INSN_BMB3; goto extract_sfmt_bbv;
      case 28: itype = IQ2000BF_INSN_BBI; goto extract_sfmt_bbi;
      case 29: itype = IQ2000BF_INSN_BBV; goto extract_sfmt_bbv;
      case 30: itype = IQ2000BF_INSN_BBIN; goto extract_sfmt_bbi;
      case 31: itype = IQ2000BF_INSN_BBVN; goto extract_sfmt_bbv;
      case 32: itype = IQ2000BF_INSN_LB; goto extract_sfmt_lb;
      case 33: itype = IQ2000BF_INSN_LH; goto extract_sfmt_lh;
      case 35: itype = IQ2000BF_INSN_LW; goto extract_sfmt_lw;
      case 36: itype = IQ2000BF_INSN_LBU; goto extract_sfmt_lb;
      case 37: itype = IQ2000BF_INSN_LHU; goto extract_sfmt_lh;
      case 39:
        if ((entire_insn & 0xfc000020) == 0x9c000000)
          { itype = IQ2000BF_INSN_RAM; goto extract_sfmt_ram; }
        itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
      case 40: itype = IQ2000BF_INSN_SB; goto extract_sfmt_sb;
      case 41: itype = IQ2000BF_INSN_SH; goto extract_sfmt_sh;
      case 43: itype = IQ2000BF_INSN_SW; goto extract_sfmt_sw;
      case 44: itype = IQ2000BF_INSN_ANDOI; goto extract_sfmt_addi;
      case 45: itype = IQ2000BF_INSN_BMB; goto extract_sfmt_bbv;
      case 47: itype = IQ2000BF_INSN_ORUI; goto extract_sfmt_andoui;
      case 48: itype = IQ2000BF_INSN_LDW; goto extract_sfmt_ldw;
      case 56: itype = IQ2000BF_INSN_SDW; goto extract_sfmt_sdw;
      case 63: itype = IQ2000BF_INSN_ANDOUI; goto extract_sfmt_andoui;
      default: itype = IQ2000BF_INSN_X_INVALID; goto extract_sfmt_empty;
      }
    }
  }

  /* The instruction has been decoded, now extract the fields.  */

 extract_sfmt_empty:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
#define FLD(f) abuf->fields.sfmt_empty.f


  /* Record the fields for the semantic handler.  */
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_empty", (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_add:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_mrgb.f
    UINT f_rs;
    UINT f_rt;
    UINT f_rd;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_rt) = f_rt;
  FLD (f_rd) = f_rd;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_add", "f_rs 0x%x", 'x', f_rs, "f_rt 0x%x", 'x', f_rt, "f_rd 0x%x", 'x', f_rd, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_addi:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_addi.f
    UINT f_rs;
    UINT f_rt;
    UINT f_imm;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_imm) = f_imm;
  FLD (f_rs) = f_rs;
  FLD (f_rt) = f_rt;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_addi", "f_imm 0x%x", 'x', f_imm, "f_rs 0x%x", 'x', f_rs, "f_rt 0x%x", 'x', f_rt, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_ram:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_ram.f
    UINT f_rs;
    UINT f_rt;
    UINT f_rd;
    UINT f_shamt;
    UINT f_maskl;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5);
    f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5);
    f_maskl = EXTRACT_LSB0_UINT (insn, 32, 4, 5);

  /* Record the fields for the semantic handler.  */
  FLD (f_maskl) = f_maskl;
  FLD (f_rs) = f_rs;
  FLD (f_rd) = f_rd;
  FLD (f_rt) = f_rt;
  FLD (f_shamt) = f_shamt;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_ram", "f_maskl 0x%x", 'x', f_maskl, "f_rs 0x%x", 'x', f_rs, "f_rd 0x%x", 'x', f_rd, "f_rt 0x%x", 'x', f_rt, "f_shamt 0x%x", 'x', f_shamt, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_sll:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_ram.f
    UINT f_rt;
    UINT f_rd;
    UINT f_shamt;

    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5);
    f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5);

  /* Record the fields for the semantic handler.  */
  FLD (f_rt) = f_rt;
  FLD (f_shamt) = f_shamt;
  FLD (f_rd) = f_rd;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_sll", "f_rt 0x%x", 'x', f_rt, "f_shamt 0x%x", 'x', f_shamt, "f_rd 0x%x", 'x', f_rd, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_slmv:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_ram.f
    UINT f_rs;
    UINT f_rt;
    UINT f_rd;
    UINT f_shamt;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5);
    f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_rt) = f_rt;
  FLD (f_shamt) = f_shamt;
  FLD (f_rd) = f_rd;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_slmv", "f_rs 0x%x", 'x', f_rs, "f_rt 0x%x", 'x', f_rt, "f_shamt 0x%x", 'x', f_shamt, "f_rd 0x%x", 'x', f_rd, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_slt:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_mrgb.f
    UINT f_rs;
    UINT f_rt;
    UINT f_rd;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_rt) = f_rt;
  FLD (f_rd) = f_rd;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_slt", "f_rs 0x%x", 'x', f_rs, "f_rt 0x%x", 'x', f_rt, "f_rd 0x%x", 'x', f_rd, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_slti:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_addi.f
    UINT f_rs;
    UINT f_rt;
    UINT f_imm;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_imm) = f_imm;
  FLD (f_rs) = f_rs;
  FLD (f_rt) = f_rt;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_slti", "f_imm 0x%x", 'x', f_imm, "f_rs 0x%x", 'x', f_rs, "f_rt 0x%x", 'x', f_rt, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_bbi:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_bbi.f
    UINT f_rs;
    UINT f_rt;
    SI f_offset;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) * (4))) + (((pc) + (4))));

  /* Record the fields for the semantic handler.  */
  FLD (f_rt) = f_rt;
  FLD (f_rs) = f_rs;
  FLD (i_offset) = f_offset;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_bbi", "f_rt 0x%x", 'x', f_rt, "f_rs 0x%x", 'x', f_rs, "offset 0x%x", 'x', f_offset, (char *) 0));

#if WITH_PROFILE_MODEL_P
  /* Record the fields for profiling.  */
  if (PROFILE_MODEL_P (current_cpu))
    {
    }
#endif
#undef FLD
    return idesc;
  }

 extract_sfmt_bbv:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_bbi.f
    UINT f_rs;
    UINT f_rt;
    SI f_offset;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) * (4))) + (((pc) + (4))));

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_rt) = f_rt;
  FLD (i_offset) = f_offset;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_bbv", "f_rs 0x%x", 'x', f_rs, "f_rt 0x%x", 'x', f_rt, "offset 0x%x", 'x', f_offset, (char *) 0));

#if WITH_PROFILE_MODEL_P
  /* Record the fields for profiling.  */
  if (PROFILE_MODEL_P (current_cpu))
    {
    }
#endif
#undef FLD
    return idesc;
  }

 extract_sfmt_bgez:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_bbi.f
    UINT f_rs;
    SI f_offset;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) * (4))) + (((pc) + (4))));

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (i_offset) = f_offset;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_bgez", "f_rs 0x%x", 'x', f_rs, "offset 0x%x", 'x', f_offset, (char *) 0));

#if WITH_PROFILE_MODEL_P
  /* Record the fields for profiling.  */
  if (PROFILE_MODEL_P (current_cpu))
    {
    }
#endif
#undef FLD
    return idesc;
  }

 extract_sfmt_bgezal:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_bbi.f
    UINT f_rs;
    SI f_offset;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) * (4))) + (((pc) + (4))));

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (i_offset) = f_offset;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_bgezal", "f_rs 0x%x", 'x', f_rs, "offset 0x%x", 'x', f_offset, (char *) 0));

#if WITH_PROFILE_MODEL_P
  /* Record the fields for profiling.  */
  if (PROFILE_MODEL_P (current_cpu))
    {
    }
#endif
#undef FLD
    return idesc;
  }

 extract_sfmt_jalr:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_mrgb.f
    UINT f_rs;
    UINT f_rd;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_rd) = f_rd;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_jalr", "f_rs 0x%x", 'x', f_rs, "f_rd 0x%x", 'x', f_rd, (char *) 0));

#if WITH_PROFILE_MODEL_P
  /* Record the fields for profiling.  */
  if (PROFILE_MODEL_P (current_cpu))
    {
    }
#endif
#undef FLD
    return idesc;
  }

 extract_sfmt_jr:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_bbi.f
    UINT f_rs;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_jr", "f_rs 0x%x", 'x', f_rs, (char *) 0));

#if WITH_PROFILE_MODEL_P
  /* Record the fields for profiling.  */
  if (PROFILE_MODEL_P (current_cpu))
    {
    }
#endif
#undef FLD
    return idesc;
  }

 extract_sfmt_lb:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_addi.f
    UINT f_rs;
    UINT f_rt;
    UINT f_imm;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_imm) = f_imm;
  FLD (f_rt) = f_rt;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_lb", "f_rs 0x%x", 'x', f_rs, "f_imm 0x%x", 'x', f_imm, "f_rt 0x%x", 'x', f_rt, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_lh:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_addi.f
    UINT f_rs;
    UINT f_rt;
    UINT f_imm;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_imm) = f_imm;
  FLD (f_rt) = f_rt;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_lh", "f_rs 0x%x", 'x', f_rs, "f_imm 0x%x", 'x', f_imm, "f_rt 0x%x", 'x', f_rt, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_lui:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_addi.f
    UINT f_rt;
    UINT f_imm;

    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_imm) = f_imm;
  FLD (f_rt) = f_rt;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_lui", "f_imm 0x%x", 'x', f_imm, "f_rt 0x%x", 'x', f_rt, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_lw:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_addi.f
    UINT f_rs;
    UINT f_rt;
    UINT f_imm;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_imm) = f_imm;
  FLD (f_rt) = f_rt;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_lw", "f_rs 0x%x", 'x', f_rs, "f_imm 0x%x", 'x', f_imm, "f_rt 0x%x", 'x', f_rt, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_sb:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_addi.f
    UINT f_rs;
    UINT f_rt;
    UINT f_imm;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_imm) = f_imm;
  FLD (f_rt) = f_rt;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_sb", "f_rs 0x%x", 'x', f_rs, "f_imm 0x%x", 'x', f_imm, "f_rt 0x%x", 'x', f_rt, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_sh:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_addi.f
    UINT f_rs;
    UINT f_rt;
    UINT f_imm;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_imm) = f_imm;
  FLD (f_rt) = f_rt;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_sh", "f_rs 0x%x", 'x', f_rs, "f_imm 0x%x", 'x', f_imm, "f_rt 0x%x", 'x', f_rt, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_sw:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_addi.f
    UINT f_rs;
    UINT f_rt;
    UINT f_imm;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_imm) = f_imm;
  FLD (f_rt) = f_rt;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_sw", "f_rs 0x%x", 'x', f_rs, "f_imm 0x%x", 'x', f_imm, "f_rt 0x%x", 'x', f_rt, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_break:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
#define FLD(f) abuf->fields.sfmt_empty.f


  /* Record the fields for the semantic handler.  */
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_break", (char *) 0));

#if WITH_PROFILE_MODEL_P
  /* Record the fields for profiling.  */
  if (PROFILE_MODEL_P (current_cpu))
    {
    }
#endif
#undef FLD
    return idesc;
  }

 extract_sfmt_andoui:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_addi.f
    UINT f_rs;
    UINT f_rt;
    UINT f_imm;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_imm) = f_imm;
  FLD (f_rs) = f_rs;
  FLD (f_rt) = f_rt;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_andoui", "f_imm 0x%x", 'x', f_imm, "f_rs 0x%x", 'x', f_rs, "f_rt 0x%x", 'x', f_rt, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_mrgb:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_mrgb.f
    UINT f_rs;
    UINT f_rt;
    UINT f_rd;
    UINT f_mask;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5);
    f_mask = EXTRACT_LSB0_UINT (insn, 32, 9, 4);

  /* Record the fields for the semantic handler.  */
  FLD (f_mask) = f_mask;
  FLD (f_rs) = f_rs;
  FLD (f_rt) = f_rt;
  FLD (f_rd) = f_rd;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_mrgb", "f_mask 0x%x", 'x', f_mask, "f_rs 0x%x", 'x', f_rs, "f_rt 0x%x", 'x', f_rt, "f_rd 0x%x", 'x', f_rd, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_bctxt:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
#define FLD(f) abuf->fields.sfmt_empty.f


  /* Record the fields for the semantic handler.  */
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_bctxt", (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_cfc0:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
#define FLD(f) abuf->fields.sfmt_empty.f


  /* Record the fields for the semantic handler.  */
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_cfc0", (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_ldw:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_addi.f
    UINT f_rs;
    UINT f_rt;
    UINT f_imm;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_rt) = f_rt;
  FLD (f_imm) = f_imm;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_ldw", "f_rs 0x%x", 'x', f_rs, "f_rt 0x%x", 'x', f_rt, "f_imm 0x%x", 'x', f_imm, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_sdw:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_addi.f
    UINT f_rs;
    UINT f_rt;
    UINT f_imm;

    f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5);
    f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5);
    f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16);

  /* Record the fields for the semantic handler.  */
  FLD (f_rs) = f_rs;
  FLD (f_rt) = f_rt;
  FLD (f_imm) = f_imm;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_sdw", "f_rs 0x%x", 'x', f_rs, "f_rt 0x%x", 'x', f_rt, "f_imm 0x%x", 'x', f_imm, (char *) 0));

#undef FLD
    return idesc;
  }

 extract_sfmt_j:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_j.f
    USI f_jtarg;

    f_jtarg = ((((pc) & (0xf0000000))) | (((EXTRACT_LSB0_UINT (insn, 32, 15, 16)) << (2))));

  /* Record the fields for the semantic handler.  */
  FLD (i_jmptarg) = f_jtarg;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_j", "jmptarg 0x%x", 'x', f_jtarg, (char *) 0));

#if WITH_PROFILE_MODEL_P
  /* Record the fields for profiling.  */
  if (PROFILE_MODEL_P (current_cpu))
    {
    }
#endif
#undef FLD
    return idesc;
  }

 extract_sfmt_jal:
  {
    const IDESC *idesc = &iq2000bf_insn_data[itype];
    CGEN_INSN_WORD insn = entire_insn;
#define FLD(f) abuf->fields.sfmt_j.f
    USI f_jtarg;

    f_jtarg = ((((pc) & (0xf0000000))) | (((EXTRACT_LSB0_UINT (insn, 32, 15, 16)) << (2))));

  /* Record the fields for the semantic handler.  */
  FLD (i_jmptarg) = f_jtarg;
  CGEN_TRACE_EXTRACT (current_cpu, abuf, (current_cpu, pc, "sfmt_jal", "jmptarg 0x%x", 'x', f_jtarg, (char *) 0));

#if WITH_PROFILE_MODEL_P
  /* Record the fields for profiling.  */
  if (PROFILE_MODEL_P (current_cpu))
    {
    }
#endif
#undef FLD
    return idesc;
  }

}