opcodes/xstormy16-opc.c

/* DO NOT EDIT!  -*- buffer-read-only: t -*- vi:set ro:  */
/* Instruction opcode table for xstormy16.

THIS FILE IS MACHINE GENERATED WITH CGEN.

Copyright (C) 1996-2020 Free Software Foundation, Inc.

This file is part of the GNU Binutils and/or GDB, the GNU debugger.

   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.

*/

#include "sysdep.h"
#include "ansidecl.h"
#include "bfd.h"
#include "symcat.h"
#include "xstormy16-desc.h"
#include "xstormy16-opc.h"
#include "libiberty.h"

/* The hash functions are recorded here to help keep assembler code out of
   the disassembler and vice versa.  */

static int asm_hash_insn_p        (const CGEN_INSN *);
static unsigned int asm_hash_insn (const char *);
static int dis_hash_insn_p        (const CGEN_INSN *);
static unsigned int dis_hash_insn (const char *, CGEN_INSN_INT);

/* Instruction formats.  */

#define F(f) & xstormy16_cgen_ifld_table[XSTORMY16_##f]
static const CGEN_IFMT ifmt_empty ATTRIBUTE_UNUSED = {
  0, 0, 0x0, { { 0 } }
};

static const CGEN_IFMT ifmt_movlmemimm ATTRIBUTE_UNUSED = {
  32, 32, 0xfe000000, { { F (F_OP1) }, { F (F_OP2A) }, { F (F_OP2M) }, { F (F_LMEM8) }, { F (F_IMM16) }, { 0 } }
};

static const CGEN_IFMT ifmt_movhmemimm ATTRIBUTE_UNUSED = {
  32, 32, 0xfe000000, { { F (F_OP1) }, { F (F_OP2A) }, { F (F_OP2M) }, { F (F_HMEM8) }, { F (F_IMM16) }, { 0 } }
};

static const CGEN_IFMT ifmt_movlgrmem ATTRIBUTE_UNUSED = {
  16, 16, 0xf000, { { F (F_OP1) }, { F (F_RM) }, { F (F_OP2M) }, { F (F_LMEM8) }, { 0 } }
};

static const CGEN_IFMT ifmt_movhgrmem ATTRIBUTE_UNUSED = {
  16, 16, 0xf000, { { F (F_OP1) }, { F (F_RM) }, { F (F_OP2M) }, { F (F_HMEM8) }, { 0 } }
};

static const CGEN_IFMT ifmt_movgrgri ATTRIBUTE_UNUSED = {
  16, 16, 0xfe08, { { F (F_OP1) }, { F (F_OP2A) }, { F (F_OP2M) }, { F (F_RS) }, { F (F_OP4M) }, { F (F_RDM) }, { 0 } }
};

static const CGEN_IFMT ifmt_movgrgrii ATTRIBUTE_UNUSED = {
  32, 32, 0xfe08f000, { { F (F_OP1) }, { F (F_OP2A) }, { F (F_OP2M) }, { F (F_RS) }, { F (F_OP4M) }, { F (F_RDM) }, { F (F_OP5) }, { F (F_IMM12) }, { 0 } }
};

static const CGEN_IFMT ifmt_movgrgr ATTRIBUTE_UNUSED = {
  16, 16, 0xff00, { { F (F_OP1) }, { F (F_OP2) }, { F (F_RS) }, { F (F_RD) }, { 0 } }
};

static const CGEN_IFMT ifmt_movwimm8 ATTRIBUTE_UNUSED = {
  16, 16, 0xff00, { { F (F_OP1) }, { F (F_OP2) }, { F (F_IMM8) }, { 0 } }
};

static const CGEN_IFMT ifmt_movwgrimm8 ATTRIBUTE_UNUSED = {
  16, 16, 0xf100, { { F (F_OP1) }, { F (F_RM) }, { F (F_OP2M) }, { F (F_IMM8) }, { 0 } }
};

static const CGEN_IFMT ifmt_movwgrimm16 ATTRIBUTE_UNUSED = {
  32, 32, 0xfff00000, { { F (F_OP1) }, { F (F_OP2) }, { F (F_OP3) }, { F (F_RD) }, { F (F_IMM16) }, { 0 } }
};

static const CGEN_IFMT ifmt_movlowgr ATTRIBUTE_UNUSED = {
  16, 16, 0xfff0, { { F (F_OP1) }, { F (F_OP2) }, { F (F_OP3) }, { F (F_RD) }, { 0 } }
};

static const CGEN_IFMT ifmt_movfgrgrii ATTRIBUTE_UNUSED = {
  32, 32, 0xfe088000, { { F (F_OP1) }, { F (F_OP2A) }, { F (F_OP2M) }, { F (F_RS) }, { F (F_OP4M) }, { F (F_RDM) }, { F (F_OP5A) }, { F (F_RB) }, { F (F_IMM12) }, { 0 } }
};

static const CGEN_IFMT ifmt_addgrimm4 ATTRIBUTE_UNUSED = {
  16, 16, 0xff00, { { F (F_OP1) }, { F (F_OP2) }, { F (F_IMM4) }, { F (F_RD) }, { 0 } }
};

static const CGEN_IFMT ifmt_incgrimm2 ATTRIBUTE_UNUSED = {
  16, 16, 0xffc0, { { F (F_OP1) }, { F (F_OP2) }, { F (F_OP3A) }, { F (F_IMM2) }, { F (F_RD) }, { 0 } }
};

static const CGEN_IFMT ifmt_set1lmemimm ATTRIBUTE_UNUSED = {
  16, 16, 0xf100, { { F (F_OP1) }, { F (F_IMM3) }, { F (F_OP2M) }, { F (F_LMEM8) }, { 0 } }
};

static const CGEN_IFMT ifmt_set1hmemimm ATTRIBUTE_UNUSED = {
  16, 16, 0xf100, { { F (F_OP1) }, { F (F_IMM3) }, { F (F_OP2M) }, { F (F_HMEM8) }, { 0 } }
};

static const CGEN_IFMT ifmt_bccgrgr ATTRIBUTE_UNUSED = {
  32, 32, 0xff000000, { { F (F_OP1) }, { F (F_OP2) }, { F (F_RS) }, { F (F_RD) }, { F (F_OP5) }, { F (F_REL12) }, { 0 } }
};

static const CGEN_IFMT ifmt_bccgrimm8 ATTRIBUTE_UNUSED = {
  32, 32, 0xf1000000, { { F (F_OP1) }, { F (F_RM) }, { F (F_OP2M) }, { F (F_IMM8) }, { F (F_OP5) }, { F (F_REL12) }, { 0 } }
};

static const CGEN_IFMT ifmt_bccimm16 ATTRIBUTE_UNUSED = {
  32, 32, 0xf0000000, { { F (F_OP1) }, { F (F_OP2) }, { F (F_REL8_4) }, { F (F_IMM16) }, { 0 } }
};

static const CGEN_IFMT ifmt_bngrimm4 ATTRIBUTE_UNUSED = {
  32, 32, 0xff00f000, { { F (F_OP1) }, { F (F_OP2) }, { F (F_IMM4) }, { F (F_RD) }, { F (F_OP5) }, { F (F_REL12) }, { 0 } }
};

static const CGEN_IFMT ifmt_bngrgr ATTRIBUTE_UNUSED = {
  32, 32, 0xff00f000, { { F (F_OP1) }, { F (F_OP2) }, { F (F_RS) }, { F (F_RD) }, { F (F_OP5) }, { F (F_REL12) }, { 0 } }
};

static const CGEN_IFMT ifmt_bnlmemimm ATTRIBUTE_UNUSED = {
  32, 32, 0xff008000, { { F (F_OP1) }, { F (F_OP2) }, { F (F_LMEM8) }, { F (F_OP5A) }, { F (F_IMM3B) }, { F (F_REL12) }, { 0 } }
};

static const CGEN_IFMT ifmt_bnhmemimm ATTRIBUTE_UNUSED = {
  32, 32, 0xff008000, { { F (F_OP1) }, { F (F_OP2) }, { F (F_HMEM8) }, { F (F_OP5A) }, { F (F_IMM3B) }, { F (F_REL12) }, { 0 } }
};

static const CGEN_IFMT ifmt_bcc ATTRIBUTE_UNUSED = {
  16, 16, 0xf000, { { F (F_OP1) }, { F (F_OP2) }, { F (F_REL8_2) }, { 0 } }
};

static const CGEN_IFMT ifmt_br ATTRIBUTE_UNUSED = {
  16, 16, 0xf001, { { F (F_OP1) }, { F (F_REL12A) }, { F (F_OP4B) }, { 0 } }
};

static const CGEN_IFMT ifmt_jmp ATTRIBUTE_UNUSED = {
  16, 16, 0xffe0, { { F (F_OP1) }, { F (F_OP2) }, { F (F_OP3B) }, { F (F_RBJ) }, { F (F_RD) }, { 0 } }
};

static const CGEN_IFMT ifmt_jmpf ATTRIBUTE_UNUSED = {
  32, 32, 0xff000000, { { F (F_OP1) }, { F (F_OP2) }, { F (F_ABS24) }, { 0 } }
};

static const CGEN_IFMT ifmt_iret ATTRIBUTE_UNUSED = {
  16, 16, 0xffff, { { F (F_OP) }, { 0 } }
};

#undef F

#define A(a) (1 << CGEN_INSN_##a)
#define OPERAND(op) XSTORMY16_OPERAND_##op
#define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))

/* The instruction table.  */

static const CGEN_OPCODE xstormy16_cgen_insn_opcode_table[MAX_INSNS] =
{
  /* Special null first entry.
     A `num' value of zero is thus invalid.
     Also, the special `invalid' insn resides here.  */
  { { 0, 0, 0, 0 }, {{0}}, 0, {0}},
/* mov$ws2 $lmem8,#$imm16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (LMEM8), ',', '#', OP (IMM16), 0 } },
    & ifmt_movlmemimm, { 0x78000000 }
  },
/* mov$ws2 $hmem8,#$imm16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (HMEM8), ',', '#', OP (IMM16), 0 } },
    & ifmt_movhmemimm, { 0x7a000000 }
  },
/* mov$ws2 $Rm,$lmem8 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RM), ',', OP (LMEM8), 0 } },
    & ifmt_movlgrmem, { 0x8000 }
  },
/* mov$ws2 $Rm,$hmem8 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RM), ',', OP (HMEM8), 0 } },
    & ifmt_movhgrmem, { 0xa000 }
  },
/* mov$ws2 $lmem8,$Rm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (LMEM8), ',', OP (RM), 0 } },
    & ifmt_movlgrmem, { 0x9000 }
  },
/* mov$ws2 $hmem8,$Rm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (HMEM8), ',', OP (RM), 0 } },
    & ifmt_movhgrmem, { 0xb000 }
  },
/* mov$ws2 $Rdm,($Rs) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RDM), ',', '(', OP (RS), ')', 0 } },
    & ifmt_movgrgri, { 0x7000 }
  },
/* mov$ws2 $Rdm,($Rs++) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RDM), ',', '(', OP (RS), '+', '+', ')', 0 } },
    & ifmt_movgrgri, { 0x6000 }
  },
/* mov$ws2 $Rdm,(--$Rs) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RDM), ',', '(', '-', '-', OP (RS), ')', 0 } },
    & ifmt_movgrgri, { 0x6800 }
  },
/* mov$ws2 ($Rs),$Rdm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', '(', OP (RS), ')', ',', OP (RDM), 0 } },
    & ifmt_movgrgri, { 0x7200 }
  },
/* mov$ws2 ($Rs++),$Rdm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', '(', OP (RS), '+', '+', ')', ',', OP (RDM), 0 } },
    & ifmt_movgrgri, { 0x6200 }
  },
/* mov$ws2 (--$Rs),$Rdm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', '(', '-', '-', OP (RS), ')', ',', OP (RDM), 0 } },
    & ifmt_movgrgri, { 0x6a00 }
  },
/* mov$ws2 $Rdm,($Rs,$imm12) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RDM), ',', '(', OP (RS), ',', OP (IMM12), ')', 0 } },
    & ifmt_movgrgrii, { 0x70080000 }
  },
/* mov$ws2 $Rdm,($Rs++,$imm12) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RDM), ',', '(', OP (RS), '+', '+', ',', OP (IMM12), ')', 0 } },
    & ifmt_movgrgrii, { 0x60080000 }
  },
/* mov$ws2 $Rdm,(--$Rs,$imm12) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RDM), ',', '(', '-', '-', OP (RS), ',', OP (IMM12), ')', 0 } },
    & ifmt_movgrgrii, { 0x68080000 }
  },
/* mov$ws2 ($Rs,$imm12),$Rdm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', '(', OP (RS), ',', OP (IMM12), ')', ',', OP (RDM), 0 } },
    & ifmt_movgrgrii, { 0x72080000 }
  },
/* mov$ws2 ($Rs++,$imm12),$Rdm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', '(', OP (RS), '+', '+', ',', OP (IMM12), ')', ',', OP (RDM), 0 } },
    & ifmt_movgrgrii, { 0x62080000 }
  },
/* mov$ws2 (--$Rs,$imm12),$Rdm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', '(', '-', '-', OP (RS), ',', OP (IMM12), ')', ',', OP (RDM), 0 } },
    & ifmt_movgrgrii, { 0x6a080000 }
  },
/* mov $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x4600 }
  },
/* mov.w Rx,#$imm8 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', 'R', 'x', ',', '#', OP (IMM8), 0 } },
    & ifmt_movwimm8, { 0x4700 }
  },
/* mov.w $Rm,#$imm8small */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RM), ',', '#', OP (IMM8SMALL), 0 } },
    & ifmt_movwgrimm8, { 0x2100 }
  },
/* mov.w $Rd,#$imm16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM16), 0 } },
    & ifmt_movwgrimm16, { 0x31300000 }
  },
/* mov.b $Rd,RxL */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', 'R', 'x', 'L', 0 } },
    & ifmt_movlowgr, { 0x30c0 }
  },
/* mov.b $Rd,RxH */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', 'R', 'x', 'H', 0 } },
    & ifmt_movlowgr, { 0x30d0 }
  },
/* movf$ws2 $Rdm,($Rs) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RDM), ',', '(', OP (RS), ')', 0 } },
    & ifmt_movgrgri, { 0x7400 }
  },
/* movf$ws2 $Rdm,($Rs++) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RDM), ',', '(', OP (RS), '+', '+', ')', 0 } },
    & ifmt_movgrgri, { 0x6400 }
  },
/* movf$ws2 $Rdm,(--$Rs) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RDM), ',', '(', '-', '-', OP (RS), ')', 0 } },
    & ifmt_movgrgri, { 0x6c00 }
  },
/* movf$ws2 ($Rs),$Rdm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', '(', OP (RS), ')', ',', OP (RDM), 0 } },
    & ifmt_movgrgri, { 0x7600 }
  },
/* movf$ws2 ($Rs++),$Rdm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', '(', OP (RS), '+', '+', ')', ',', OP (RDM), 0 } },
    & ifmt_movgrgri, { 0x6600 }
  },
/* movf$ws2 (--$Rs),$Rdm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', '(', '-', '-', OP (RS), ')', ',', OP (RDM), 0 } },
    & ifmt_movgrgri, { 0x6e00 }
  },
/* movf$ws2 $Rdm,($Rb,$Rs,$imm12) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RDM), ',', '(', OP (RB), ',', OP (RS), ',', OP (IMM12), ')', 0 } },
    & ifmt_movfgrgrii, { 0x74080000 }
  },
/* movf$ws2 $Rdm,($Rb,$Rs++,$imm12) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RDM), ',', '(', OP (RB), ',', OP (RS), '+', '+', ',', OP (IMM12), ')', 0 } },
    & ifmt_movfgrgrii, { 0x64080000 }
  },
/* movf$ws2 $Rdm,($Rb,--$Rs,$imm12) */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', OP (RDM), ',', '(', OP (RB), ',', '-', '-', OP (RS), ',', OP (IMM12), ')', 0 } },
    & ifmt_movfgrgrii, { 0x6c080000 }
  },
/* movf$ws2 ($Rb,$Rs,$imm12),$Rdm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', '(', OP (RB), ',', OP (RS), ',', OP (IMM12), ')', ',', OP (RDM), 0 } },
    & ifmt_movfgrgrii, { 0x76080000 }
  },
/* movf$ws2 ($Rb,$Rs++,$imm12),$Rdm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', '(', OP (RB), ',', OP (RS), '+', '+', ',', OP (IMM12), ')', ',', OP (RDM), 0 } },
    & ifmt_movfgrgrii, { 0x66080000 }
  },
/* movf$ws2 ($Rb,--$Rs,$imm12),$Rdm */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (WS2), ' ', '(', OP (RB), ',', '-', '-', OP (RS), ',', OP (IMM12), ')', ',', OP (RDM), 0 } },
    & ifmt_movfgrgrii, { 0x6e080000 }
  },
/* mask $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x3300 }
  },
/* mask $Rd,#$imm16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM16), 0 } },
    & ifmt_movwgrimm16, { 0x30e00000 }
  },
/* push $Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), 0 } },
    & ifmt_movlowgr, { 0x80 }
  },
/* pop $Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), 0 } },
    & ifmt_movlowgr, { 0x90 }
  },
/* swpn $Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), 0 } },
    & ifmt_movlowgr, { 0x3090 }
  },
/* swpb $Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), 0 } },
    & ifmt_movlowgr, { 0x3080 }
  },
/* swpw $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x3200 }
  },
/* and $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x4000 }
  },
/* and Rx,#$imm8 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', 'R', 'x', ',', '#', OP (IMM8), 0 } },
    & ifmt_movwimm8, { 0x4100 }
  },
/* and $Rd,#$imm16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM16), 0 } },
    & ifmt_movwgrimm16, { 0x31000000 }
  },
/* or $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x4200 }
  },
/* or Rx,#$imm8 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', 'R', 'x', ',', '#', OP (IMM8), 0 } },
    & ifmt_movwimm8, { 0x4300 }
  },
/* or $Rd,#$imm16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM16), 0 } },
    & ifmt_movwgrimm16, { 0x31100000 }
  },
/* xor $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x4400 }
  },
/* xor Rx,#$imm8 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', 'R', 'x', ',', '#', OP (IMM8), 0 } },
    & ifmt_movwimm8, { 0x4500 }
  },
/* xor $Rd,#$imm16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM16), 0 } },
    & ifmt_movwgrimm16, { 0x31200000 }
  },
/* not $Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), 0 } },
    & ifmt_movlowgr, { 0x30b0 }
  },
/* add $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x4900 }
  },
/* add $Rd,#$imm4 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), 0 } },
    & ifmt_addgrimm4, { 0x5100 }
  },
/* add Rx,#$imm8 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', 'R', 'x', ',', '#', OP (IMM8), 0 } },
    & ifmt_movwimm8, { 0x5900 }
  },
/* add $Rd,#$imm16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM16), 0 } },
    & ifmt_movwgrimm16, { 0x31400000 }
  },
/* adc $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x4b00 }
  },
/* adc $Rd,#$imm4 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), 0 } },
    & ifmt_addgrimm4, { 0x5300 }
  },
/* adc Rx,#$imm8 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', 'R', 'x', ',', '#', OP (IMM8), 0 } },
    & ifmt_movwimm8, { 0x5b00 }
  },
/* adc $Rd,#$imm16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM16), 0 } },
    & ifmt_movwgrimm16, { 0x31500000 }
  },
/* sub $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x4d00 }
  },
/* sub $Rd,#$imm4 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), 0 } },
    & ifmt_addgrimm4, { 0x5500 }
  },
/* sub Rx,#$imm8 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', 'R', 'x', ',', '#', OP (IMM8), 0 } },
    & ifmt_movwimm8, { 0x5d00 }
  },
/* sub $Rd,#$imm16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM16), 0 } },
    & ifmt_movwgrimm16, { 0x31600000 }
  },
/* sbc $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x4f00 }
  },
/* sbc $Rd,#$imm4 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), 0 } },
    & ifmt_addgrimm4, { 0x5700 }
  },
/* sbc Rx,#$imm8 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', 'R', 'x', ',', '#', OP (IMM8), 0 } },
    & ifmt_movwimm8, { 0x5f00 }
  },
/* sbc $Rd,#$imm16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM16), 0 } },
    & ifmt_movwgrimm16, { 0x31700000 }
  },
/* inc $Rd,#$imm2 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM2), 0 } },
    & ifmt_incgrimm2, { 0x3000 }
  },
/* dec $Rd,#$imm2 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM2), 0 } },
    & ifmt_incgrimm2, { 0x3040 }
  },
/* rrc $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x3800 }
  },
/* rrc $Rd,#$imm4 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), 0 } },
    & ifmt_addgrimm4, { 0x3900 }
  },
/* rlc $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x3a00 }
  },
/* rlc $Rd,#$imm4 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), 0 } },
    & ifmt_addgrimm4, { 0x3b00 }
  },
/* shr $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x3c00 }
  },
/* shr $Rd,#$imm4 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), 0 } },
    & ifmt_addgrimm4, { 0x3d00 }
  },
/* shl $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x3e00 }
  },
/* shl $Rd,#$imm4 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), 0 } },
    & ifmt_addgrimm4, { 0x3f00 }
  },
/* asr $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0x3600 }
  },
/* asr $Rd,#$imm4 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), 0 } },
    & ifmt_addgrimm4, { 0x3700 }
  },
/* set1 $Rd,#$imm4 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), 0 } },
    & ifmt_addgrimm4, { 0x900 }
  },
/* set1 $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0xb00 }
  },
/* set1 $lmem8,#$imm3 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (LMEM8), ',', '#', OP (IMM3), 0 } },
    & ifmt_set1lmemimm, { 0xe100 }
  },
/* set1 $hmem8,#$imm3 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (HMEM8), ',', '#', OP (IMM3), 0 } },
    & ifmt_set1hmemimm, { 0xf100 }
  },
/* clr1 $Rd,#$imm4 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), 0 } },
    & ifmt_addgrimm4, { 0x800 }
  },
/* clr1 $Rd,$Rs */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), 0 } },
    & ifmt_movgrgr, { 0xa00 }
  },
/* clr1 $lmem8,#$imm3 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (LMEM8), ',', '#', OP (IMM3), 0 } },
    & ifmt_set1lmemimm, { 0xe000 }
  },
/* clr1 $hmem8,#$imm3 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (HMEM8), ',', '#', OP (IMM3), 0 } },
    & ifmt_set1hmemimm, { 0xf000 }
  },
/* cbw $Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), 0 } },
    & ifmt_movlowgr, { 0x30a0 }
  },
/* rev $Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), 0 } },
    & ifmt_movlowgr, { 0x30f0 }
  },
/* b$bcond5 $Rd,$Rs,$rel12 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (BCOND5), ' ', OP (RD), ',', OP (RS), ',', OP (REL12), 0 } },
    & ifmt_bccgrgr, { 0xd000000 }
  },
/* b$bcond5 $Rm,#$imm8,$rel12 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (BCOND5), ' ', OP (RM), ',', '#', OP (IMM8), ',', OP (REL12), 0 } },
    & ifmt_bccgrimm8, { 0x20000000 }
  },
/* b$bcond2 Rx,#$imm16,${rel8-4} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (BCOND2), ' ', 'R', 'x', ',', '#', OP (IMM16), ',', OP (REL8_4), 0 } },
    & ifmt_bccimm16, { 0xc0000000 }
  },
/* bn $Rd,#$imm4,$rel12 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), ',', OP (REL12), 0 } },
    & ifmt_bngrimm4, { 0x4000000 }
  },
/* bn $Rd,$Rs,$rel12 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), ',', OP (REL12), 0 } },
    & ifmt_bngrgr, { 0x6000000 }
  },
/* bn $lmem8,#$imm3b,$rel12 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (LMEM8), ',', '#', OP (IMM3B), ',', OP (REL12), 0 } },
    & ifmt_bnlmemimm, { 0x7c000000 }
  },
/* bn $hmem8,#$imm3b,$rel12 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (HMEM8), ',', '#', OP (IMM3B), ',', OP (REL12), 0 } },
    & ifmt_bnhmemimm, { 0x7e000000 }
  },
/* bp $Rd,#$imm4,$rel12 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM4), ',', OP (REL12), 0 } },
    & ifmt_bngrimm4, { 0x5000000 }
  },
/* bp $Rd,$Rs,$rel12 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', OP (RS), ',', OP (REL12), 0 } },
    & ifmt_bngrgr, { 0x7000000 }
  },
/* bp $lmem8,#$imm3b,$rel12 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (LMEM8), ',', '#', OP (IMM3B), ',', OP (REL12), 0 } },
    & ifmt_bnlmemimm, { 0x7d000000 }
  },
/* bp $hmem8,#$imm3b,$rel12 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (HMEM8), ',', '#', OP (IMM3B), ',', OP (REL12), 0 } },
    & ifmt_bnhmemimm, { 0x7f000000 }
  },
/* b$bcond2 ${rel8-2} */
  {
    { 0, 0, 0, 0 },
    { { MNEM, OP (BCOND2), ' ', OP (REL8_2), 0 } },
    & ifmt_bcc, { 0xd000 }
  },
/* br $Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), 0 } },
    & ifmt_movlowgr, { 0x20 }
  },
/* br $rel12a */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (REL12A), 0 } },
    & ifmt_br, { 0x1000 }
  },
/* jmp $Rbj,$Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RBJ), ',', OP (RD), 0 } },
    & ifmt_jmp, { 0x40 }
  },
/* jmpf $abs24 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (ABS24), 0 } },
    & ifmt_jmpf, { 0x2000000 }
  },
/* callr $Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), 0 } },
    & ifmt_movlowgr, { 0x10 }
  },
/* callr $rel12a */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (REL12A), 0 } },
    & ifmt_br, { 0x1001 }
  },
/* call $Rbj,$Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RBJ), ',', OP (RD), 0 } },
    & ifmt_jmp, { 0xa0 }
  },
/* callf $abs24 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (ABS24), 0 } },
    & ifmt_jmpf, { 0x1000000 }
  },
/* icallr $Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), 0 } },
    & ifmt_movlowgr, { 0x30 }
  },
/* icall $Rbj,$Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RBJ), ',', OP (RD), 0 } },
    & ifmt_jmp, { 0x60 }
  },
/* icallf $abs24 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (ABS24), 0 } },
    & ifmt_jmpf, { 0x3000000 }
  },
/* iret */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0x2 }
  },
/* ret */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0x3 }
  },
/* mul */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0xd0 }
  },
/* div */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0xc0 }
  },
/* sdiv */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0xc8 }
  },
/* sdivlh */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0xe8 }
  },
/* divlh */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0xe0 }
  },
/* reset */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0xf }
  },
/* nop */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0x0 }
  },
/* halt */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0x8 }
  },
/* hold */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0xa }
  },
/* holdx */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0xb }
  },
/* brk */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0x5 }
  },
/* --unused-- */
  {
    { 0, 0, 0, 0 },
    { { MNEM, 0 } },
    & ifmt_iret, { 0x1 }
  },
};

#undef A
#undef OPERAND
#undef MNEM
#undef OP

/* Formats for ALIAS macro-insns.  */

#define F(f) & xstormy16_cgen_ifld_table[XSTORMY16_##f]
static const CGEN_IFMT ifmt_movimm8 ATTRIBUTE_UNUSED = {
  16, 16, 0xff00, { { F (F_OP1) }, { F (F_OP2) }, { F (F_IMM8) }, { 0 } }
};

static const CGEN_IFMT ifmt_movgrimm8 ATTRIBUTE_UNUSED = {
  16, 16, 0xf100, { { F (F_OP1) }, { F (F_RM) }, { F (F_OP2M) }, { F (F_IMM8) }, { 0 } }
};

static const CGEN_IFMT ifmt_movgrimm16 ATTRIBUTE_UNUSED = {
  32, 32, 0xfff00000, { { F (F_OP1) }, { F (F_OP2) }, { F (F_OP3) }, { F (F_RD) }, { F (F_IMM16) }, { 0 } }
};

static const CGEN_IFMT ifmt_incgr ATTRIBUTE_UNUSED = {
  16, 16, 0xfff0, { { F (F_OP1) }, { F (F_OP2) }, { F (F_OP3A) }, { F (F_IMM2) }, { F (F_RD) }, { 0 } }
};

static const CGEN_IFMT ifmt_decgr ATTRIBUTE_UNUSED = {
  16, 16, 0xfff0, { { F (F_OP1) }, { F (F_OP2) }, { F (F_OP3A) }, { F (F_IMM2) }, { F (F_RD) }, { 0 } }
};

#undef F

/* Each non-simple macro entry points to an array of expansion possibilities.  */

#define A(a) (1 << CGEN_INSN_##a)
#define OPERAND(op) XSTORMY16_OPERAND_##op
#define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */
#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))

/* The macro instruction table.  */

static const CGEN_IBASE xstormy16_cgen_macro_insn_table[] =
{
/* mov Rx,#$imm8 */
  {
    -1, "movimm8", "mov", 16,
    { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } }
  },
/* mov $Rm,#$imm8small */
  {
    -1, "movgrimm8", "mov", 16,
    { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } }
  },
/* mov $Rd,#$imm16 */
  {
    -1, "movgrimm16", "mov", 32,
    { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } }
  },
/* inc $Rd */
  {
    -1, "incgr", "inc", 16,
    { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } }
  },
/* dec $Rd */
  {
    -1, "decgr", "dec", 16,
    { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } }
  },
};

/* The macro instruction opcode table.  */

static const CGEN_OPCODE xstormy16_cgen_macro_insn_opcode_table[] =
{
/* mov Rx,#$imm8 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', 'R', 'x', ',', '#', OP (IMM8), 0 } },
    & ifmt_movimm8, { 0x4700 }
  },
/* mov $Rm,#$imm8small */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RM), ',', '#', OP (IMM8SMALL), 0 } },
    & ifmt_movgrimm8, { 0x2100 }
  },
/* mov $Rd,#$imm16 */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), ',', '#', OP (IMM16), 0 } },
    & ifmt_movgrimm16, { 0x31300000 }
  },
/* inc $Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), 0 } },
    & ifmt_incgr, { 0x3000 }
  },
/* dec $Rd */
  {
    { 0, 0, 0, 0 },
    { { MNEM, ' ', OP (RD), 0 } },
    & ifmt_decgr, { 0x3040 }
  },
};

#undef A
#undef OPERAND
#undef MNEM
#undef OP

#ifndef CGEN_ASM_HASH_P
#define CGEN_ASM_HASH_P(insn) 1
#endif

#ifndef CGEN_DIS_HASH_P
#define CGEN_DIS_HASH_P(insn) 1
#endif

/* Return non-zero if INSN is to be added to the hash table.
   Targets are free to override CGEN_{ASM,DIS}_HASH_P in the .opc file.  */

static int
asm_hash_insn_p (const CGEN_INSN *insn ATTRIBUTE_UNUSED)
{
  return CGEN_ASM_HASH_P (insn);
}

static int
dis_hash_insn_p (const CGEN_INSN *insn)
{
  /* If building the hash table and the NO-DIS attribute is present,
     ignore.  */
  if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_NO_DIS))
    return 0;
  return CGEN_DIS_HASH_P (insn);
}

#ifndef CGEN_ASM_HASH
#define CGEN_ASM_HASH_SIZE 127
#ifdef CGEN_MNEMONIC_OPERANDS
#define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE)
#else
#define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE) /*FIXME*/
#endif
#endif

/* It doesn't make much sense to provide a default here,
   but while this is under development we do.
   BUFFER is a pointer to the bytes of the insn, target order.
   VALUE is the first base_insn_bitsize bits as an int in host order.  */

#ifndef CGEN_DIS_HASH
#define CGEN_DIS_HASH_SIZE 256
#define CGEN_DIS_HASH(buf, value) (*(unsigned char *) (buf))
#endif

/* The result is the hash value of the insn.
   Targets are free to override CGEN_{ASM,DIS}_HASH in the .opc file.  */

static unsigned int
asm_hash_insn (const char *mnem)
{
  return CGEN_ASM_HASH (mnem);
}

/* BUF is a pointer to the bytes of the insn, target order.
   VALUE is the first base_insn_bitsize bits as an int in host order.  */

static unsigned int
dis_hash_insn (const char *buf ATTRIBUTE_UNUSED,
		     CGEN_INSN_INT value ATTRIBUTE_UNUSED)
{
  return CGEN_DIS_HASH (buf, value);
}

/* Set the recorded length of the insn in the CGEN_FIELDS struct.  */

static void
set_fields_bitsize (CGEN_FIELDS *fields, int size)
{
  CGEN_FIELDS_BITSIZE (fields) = size;
}

/* Function to call before using the operand instance table.
   This plugs the opcode entries and macro instructions into the cpu table.  */

void
xstormy16_cgen_init_opcode_table (CGEN_CPU_DESC cd)
{
  int i;
  int num_macros = (sizeof (xstormy16_cgen_macro_insn_table) /
		    sizeof (xstormy16_cgen_macro_insn_table[0]));
  const CGEN_IBASE *ib = & xstormy16_cgen_macro_insn_table[0];
  const CGEN_OPCODE *oc = & xstormy16_cgen_macro_insn_opcode_table[0];
  CGEN_INSN *insns = xmalloc (num_macros * sizeof (CGEN_INSN));

  /* This test has been added to avoid a warning generated
     if memset is called with a third argument of value zero.  */
  if (num_macros >= 1)
    memset (insns, 0, num_macros * sizeof (CGEN_INSN));
  for (i = 0; i < num_macros; ++i)
    {
      insns[i].base = &ib[i];
      insns[i].opcode = &oc[i];
      xstormy16_cgen_build_insn_regex (& insns[i]);
    }
  cd->macro_insn_table.init_entries = insns;
  cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE);
  cd->macro_insn_table.num_init_entries = num_macros;

  oc = & xstormy16_cgen_insn_opcode_table[0];
  insns = (CGEN_INSN *) cd->insn_table.init_entries;
  for (i = 0; i < MAX_INSNS; ++i)
    {
      insns[i].opcode = &oc[i];
      xstormy16_cgen_build_insn_regex (& insns[i]);
    }

  cd->sizeof_fields = sizeof (CGEN_FIELDS);
  cd->set_fields_bitsize = set_fields_bitsize;

  cd->asm_hash_p = asm_hash_insn_p;
  cd->asm_hash = asm_hash_insn;
  cd->asm_hash_size = CGEN_ASM_HASH_SIZE;

  cd->dis_hash_p = dis_hash_insn_p;
  cd->dis_hash = dis_hash_insn;
  cd->dis_hash_size = CGEN_DIS_HASH_SIZE;
}