[deliverable/binutils-gdb.git] / opcodes / v850-opc.c

/* Assemble V850 instructions.
   Copyright (C) 1996 Free Software Foundation, Inc.

This program 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 2 of the License, or
(at your option) any later version.

This program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#include "ansidecl.h"
#include "opcode/v850.h"

/* Local insertion and extraction functions.  */
static unsigned long insert_d9 PARAMS ((unsigned long, long, const char **));
static long extract_d9 PARAMS ((unsigned long, int *));
static unsigned long insert_d22 PARAMS ((unsigned long, long, const char **));
static long extract_d22 PARAMS ((unsigned long, int *));
static unsigned long insert_d16_15 PARAMS ((unsigned long, long,
					    const char **));
static long extract_d16_15 PARAMS ((unsigned long, int *));
static unsigned long insert_d8_7 PARAMS ((unsigned long, long, const char **));
static long extract_d8_7 PARAMS ((unsigned long, int *));
static unsigned long insert_d8_6 PARAMS ((unsigned long, long, const char **));
static long extract_d8_6 PARAMS ((unsigned long, int *));

/* regular opcode */
#define OP(x)		((x & 0x3f) << 5)
#define OP_MASK		OP(0x3f)

/* conditional branch opcode */
#define BOP(x)		((0x0b << 7) | (x & 0x0f))
#define BOP_MASK	((0x0f << 7) | 0x0f)

/* one-word opcodes */
#define one(x)		((unsigned int) (x))

/* two-word opcodes */
#define two(x,y)	((unsigned int) (x) | ((unsigned int) (y) << 16))


\f
const struct v850_operand v850_operands[] = {
#define UNUSED	0
  { 0, 0, 0, 0, 0 }, 

/* The R1 field in a format 1, 6, 7, or 9 insn. */
#define R1	(UNUSED+1)
  { 5, 0, 0, 0, V850_OPERAND_REG }, 

/* The R2 field in a format 1, 2, 4, 5, 6, 7, 9 insn. */
#define R2	(R1+1)
  { 5, 11, 0, 0, V850_OPERAND_REG },

/* The IMM5 field in a format 2 insn. */
#define I5	(R2+1)
  { 5, 0, 0, 0, V850_OPERAND_SIGNED }, 

#define I5U	(I5+1)
  { 5, 0, 0, 0, 0 },

/* The IMM16 field in a format 6 insn. */
#define I16	(I5U+1)
  { 16, 16, 0, 0, V850_OPERAND_SIGNED }, 

/* The signed DISP7 field in a format 4 insn. */
#define D7	(I16+1)
  { 7, 0, 0, 0, 0},

/* The DISP16 field in a format 6 insn. */
#define D16_15	(D7+1)
  { 16, 16, insert_d16_15, extract_d16_15, V850_OPERAND_SIGNED }, 

#define B3	(D16_15+1)
/* The 3 bit immediate field in format 8 insn.  */
  { 3, 11, 0, 0, 0 },

#define CCCC	(B3+1)
/* The 4 bit condition code in a setf instruction */
  { 4, 0, 0, 0, V850_OPERAND_CC },

/* The unsigned DISP8_7 field in a format 4 insn. */
#define D8_7	(CCCC+1)
  { 8, 0, insert_d8_7, extract_d8_7, V850_OPERAND_ADJUST_SHORT_MEMORY },

/* The unsigned DISP8_6 field in a format 4 insn. */
#define D8_6	(D8_7+1)
  { 8, 0, insert_d8_6, extract_d8_6, V850_OPERAND_ADJUST_SHORT_MEMORY },

/* System register operands.  */
#define SR1	(D8_6+1)
  { 5, 0, 0, 0, V850_OPERAND_SRG },

/* EP Register.  */
#define EP	(SR1+1)
  { 0, 0, 0, 0, V850_OPERAND_EP },

/* The IMM16 field (unsigned0 in a format 6 insn. */
#define I16U	(EP+1)
  { 16, 16, 0, 0, 0}, 

/* The R2 field as a system register.  */
#define SR2	(I16U+1)
  { 5, 11, 0, 0, V850_OPERAND_SRG },

/* The DISP16 field in a format 8 insn. */
#define D16	(SR2+1)
  { 16, 16, 0, 0, V850_OPERAND_SIGNED }, 

/* The DISP22 field in a format 4 insn, relaxable. */
#define D9_RELAX	(D16+1)
  { 9, 0, insert_d9, extract_d9, V850_OPERAND_RELAX | V850_OPERAND_SIGNED | V850_OPERAND_DISP },

/* The DISP22 field in a format 4 insn.

   This _must_ follow D9_RELAX; the assembler assumes that the longer
   version immediately follows the shorter version for relaxing.  */
#define D22	(D9_RELAX+1)
  { 22, 0, insert_d22, extract_d22, V850_OPERAND_SIGNED | V850_OPERAND_DISP },

} ; 

\f
/* reg-reg instruction format (Format I) */
#define IF1	{R1, R2}

/* imm-reg instruction format (Format II) */
#define IF2	{I5, R2}

/* conditional branch instruction format (Format III) */
#define IF3	{D9_RELAX}

/* 16-bit load/store instruction (Format IV) */
#define IF4A	{D7, EP, R2}
#define IF4B	{R2, D7, EP}
#define IF4C	{D8_7, EP, R2}
#define IF4D	{R2, D8_7, EP}
#define IF4E	{D8_6, EP, R2}
#define IF4F	{R2, D8_6, EP}

/* Jump instruction (Format V) */
#define IF5	{D22}

/* 3 operand instruction (Format VI) */
#define IF6	{I16, R1, R2}

/* 3 operand instruction (Format VI) */
#define IF6U	{I16U, R1, R2}

/* 32-bit load/store half/word instruction (Format VII) */
#define IF7A	{D16_15, R1, R2}
#define IF7B	{R2, D16_15, R1}

/* 32-bit load/store byte instruction (Format VII) */
#define IF7C	{D16, R1, R2}
#define IF7D	{R2, D16, R1}

/* Bit manipulation function.  */


\f
/* The opcode table.

   The format of the opcode table is:

   NAME		OPCODE		MASK		{ OPERANDS }

   NAME is the name of the instruction.
   OPCODE is the instruction opcode.
   MASK is the opcode mask; this is used to tell the disassembler
     which bits in the actual opcode must match OPCODE.
   OPERANDS is the list of operands.

   The disassembler reads the table in order and prints the first
   instruction which matches, so this table is sorted to put more
   specific instructions before more general instructions.  It is also
   sorted by major opcode.  */

const struct v850_opcode v850_opcodes[] = {
{ "breakpoint",	0xffff,			0xffff,		0,    0 },
/* load/store instructions */
{ "sld.b",	one(0x0300),		one(0x0780),	IF4A, 1 },
{ "sld.h",	one(0x0400),		one(0x0780),	IF4C, 1 },
{ "sld.w",	one(0x0500),		one(0x0781),	IF4E, 1 },
{ "sst.b",	one(0x0380),		one(0x0780),	IF4B, 2 },
{ "sst.h",	one(0x0480),		one(0x0780),	IF4D, 2 },
{ "sst.w",	one(0x0501),		one(0x0781),	IF4F, 2 },

{ "ld.b",	two(0x0700,0x0000),	two (0x07e0,0x0000),	IF7C, 1 },
{ "ld.h",	two(0x0720,0x0000),	two (0x07e0,0x0001),	IF7A, 1 },
{ "ld.w",	two(0x0720,0x0001),	two (0x07e0,0x0001),	IF7A, 1 },
{ "st.b",	two(0x0740,0x0000),	two (0x07e0,0x0000),	IF7D, 2 },
{ "st.h",	two(0x0760,0x0000),	two (0x07e0,0x0001),	IF7B, 2 },
{ "st.w",	two(0x0760,0x0001),	two (0x07e0,0x0001),	IF7B, 2 },

/* arithmetic operation instructions */
{ "nop",	one(0x00),		one(0xffff),		{0}, 0 },
{ "mov",        OP(0x00),		OP_MASK,	IF1, 0 },
{ "mov",	OP(0x10),		OP_MASK,	IF2, 0 },
{ "movea",	OP(0x31),		OP_MASK,	IF6, 0 },
{ "movhi",	OP(0x32),		OP_MASK,	IF6, 0 },
{ "add",	OP(0x0e),		OP_MASK,	IF1, 0 },
{ "add",	OP(0x12),		OP_MASK,	IF2, 0 },
{ "addi",	OP(0x30),		OP_MASK,	IF6, 0 },
{ "sub",	OP(0x0d),		OP_MASK,	IF1, 0 },
{ "subr", 	OP(0x0c),		OP_MASK,	IF1, 0 },
{ "mulh",	OP(0x07),		OP_MASK,	IF1, 0 },
{ "mulh",	OP(0x17),		OP_MASK,	IF2, 0 },
{ "mulhi",	OP(0x37),		OP_MASK,	IF6, 0 },
{ "divh",	OP(0x02),		OP_MASK,	IF1, 0 },
{ "cmp",	OP(0x0f),		OP_MASK,	IF1, 0 },
{ "cmp",	OP(0x13),		OP_MASK,	IF2, 0 },
{ "setf",	two(0x07e0,0x0000),	two(0x07f0,0xffff), {CCCC,R2}, 0 },

/* saturated operation instructions */
{ "satadd",	OP(0x06),		OP_MASK,	IF1, 0 },
{ "satadd",	OP(0x11),		OP_MASK,	IF2, 0 },
{ "satsub",	OP(0x05),		OP_MASK,	IF1, 0 },
{ "satsubi",	OP(0x33),		OP_MASK,	IF6, 0 },
{ "satsubr",	OP(0x04),		OP_MASK,	IF1, 0 },

/* logical operation instructions */
{ "tst",	OP(0x0b),		OP_MASK,	IF1, 0 },
{ "or",		OP(0x08),		OP_MASK,	IF1, 0 },
{ "ori",	OP(0x34),		OP_MASK,	IF6U, 0 },
{ "and",	OP(0x0a),		OP_MASK,	IF1, 0 },
{ "andi",	OP(0x36),		OP_MASK,	IF6U, 0 },
{ "xor",	OP(0x09),		OP_MASK,	IF1, 0 },
{ "xori",	OP(0x35),		OP_MASK,	IF6U, 0 },
{ "not",	OP(0x01),		OP_MASK,	IF1, 0 },
{ "sar",	OP(0x15),		OP_MASK,	{I5U, R2}, 0 },
{ "sar",	two(0x07e0,0x00a0),	two(0x07e0,0xffff),	{R1,R2}, 0 },
{ "shl",	OP(0x16),		OP_MASK,		{I5U, R2}, 0 },
{ "shl",	two(0x07e0,0x00c0),	two(0x07e0,0xffff),	{R1,R2}, 0 },
{ "shr",	OP(0x14),		OP_MASK,		{I5U, R2}, 0 },
{ "shr",	two(0x07e0,0x0080),	two(0x07e0,0xffff),	{R1,R2}, 0 },

/* branch instructions */
	/* signed integer */
{ "bgt",	BOP(0xf),		BOP_MASK,	IF3, 0 },
{ "bge",	BOP(0xe),		BOP_MASK,	IF3, 0 },
{ "blt",	BOP(0x6),		BOP_MASK,	IF3, 0 },
{ "ble",	BOP(0x7),		BOP_MASK,	IF3, 0 },
	/* unsigned integer */
{ "bh",		BOP(0xb),		BOP_MASK,	IF3, 0 },
{ "bnh",	BOP(0x3),		BOP_MASK,	IF3, 0 },
{ "bl",		BOP(0x1),		BOP_MASK,	IF3, 0 },
{ "bnl",	BOP(0x9),		BOP_MASK,	IF3, 0 },
	/* common */
{ "be",		BOP(0x2),		BOP_MASK,	IF3, 0 },
{ "bne",	BOP(0xa),		BOP_MASK,	IF3, 0 },
	/* others */
{ "bv",		BOP(0x0),		BOP_MASK,	IF3, 0 },
{ "bnv",	BOP(0x8),		BOP_MASK,	IF3, 0 },
{ "bn",		BOP(0x4),		BOP_MASK,	IF3, 0 },
{ "bp",		BOP(0xc),		BOP_MASK,	IF3, 0 },
{ "bc",		BOP(0x1),		BOP_MASK,	IF3, 0 },
{ "bnc",	BOP(0x9),		BOP_MASK,	IF3, 0 },
{ "bz",		BOP(0x2),		BOP_MASK,	IF3, 0 },
{ "bnz",	BOP(0xa),		BOP_MASK,	IF3, 0 },
{ "br",		BOP(0x5),		BOP_MASK,	IF3, 0 },
{ "bsa",	BOP(0xd),		BOP_MASK,	IF3, 0 },

/* Branch macros.

   We use the short form in the opcode/mask fields.  The assembler
   will twiddle bits as necessary if the long form is needed.  */

	/* signed integer */
{ "jgt",	BOP(0xf),		BOP_MASK,	IF3, 0 },
{ "jge",	BOP(0xe),		BOP_MASK,	IF3, 0 },
{ "jlt",	BOP(0x6),		BOP_MASK,	IF3, 0 },
{ "jle",	BOP(0x7),		BOP_MASK,	IF3, 0 },
	/* unsigned integer */
{ "jh",		BOP(0xb),		BOP_MASK,	IF3, 0 },
{ "jnh",	BOP(0x3),		BOP_MASK,	IF3, 0 },
{ "jl",		BOP(0x1),		BOP_MASK,	IF3, 0 },
{ "jnl",	BOP(0x9),		BOP_MASK,	IF3, 0 },
	/* common */
{ "je",		BOP(0x2),		BOP_MASK,	IF3, 0 },
{ "jne",	BOP(0xa),		BOP_MASK,	IF3, 0 },
	/* others */
{ "jv",		BOP(0x0),		BOP_MASK,	IF3, 0 },
{ "jnv",	BOP(0x8),		BOP_MASK,	IF3, 0 },
{ "jn",		BOP(0x4),		BOP_MASK,	IF3, 0 },
{ "jp",		BOP(0xc),		BOP_MASK,	IF3, 0 },
{ "jc",		BOP(0x1),		BOP_MASK,	IF3, 0 },
{ "jnc",	BOP(0x9),		BOP_MASK,	IF3, 0 },
{ "jz",		BOP(0x2),		BOP_MASK,	IF3, 0 },
{ "jnz",	BOP(0xa),		BOP_MASK,	IF3, 0 },
{ "jsa",	BOP(0xd),		BOP_MASK,	IF3, 0 },
{ "jbr",	BOP(0x5),		BOP_MASK,	IF3, 0 },

{ "jmp",	one(0x0060),		one(0xffe0),	{ R1}, 1 },
{ "jr",		one(0x0780),		two(0xffc0,0x0001),{ D22 }, 0 },
{ "jarl",	one(0x0780),		two(0x07c0,0x0001),{ D22, R2 }, 0 }, 

/* bit manipulation instructions */
{ "set1",	two(0x07c0,0x0000),	two(0xc7e0,0x0000),	{B3, D16, R1}, 2 },
{ "not1",	two(0x47c0,0x0000),	two(0xc7e0,0x0000),	{B3, D16, R1}, 2 },
{ "clr1",	two(0x87c0,0x0000),	two(0xc7e0,0x0000),	{B3, D16, R1}, 2 },
{ "tst1",	two(0xc7c0,0x0000),	two(0xc7e0,0x0000),	{B3, D16, R1}, 2 },

/* special instructions */
{ "di",		two(0x07e0,0x0160),	two(0xffff,0xffff),	{0}, 0 },
{ "ei",		two(0x87e0,0x0160),	two(0xffff,0xffff),	{0}, 0 },
{ "halt",	two(0x07e0,0x0120),	two(0xffff,0xffff),	{0}, 0 },
{ "reti",	two(0x07e0,0x0140),	two(0xffff,0xffff),	{0}, 0 },
{ "trap",	two(0x07e0,0x0100),	two(0xffe0,0xffff),	{I5U}, 0 },
{ "ldsr",	two(0x07e0,0x0020),	two(0x07e0,0xffff),	{R1,SR2}, 0 },
{ "stsr",	two(0x07e0,0x0040),	two(0x07e0,0xffff),	{SR1,R2}, 0 },
{ 0, 0, 0, {0}, 0 },

} ;

const int v850_num_opcodes =
  sizeof (v850_opcodes) / sizeof (v850_opcodes[0]);

\f
/* The functions used to insert and extract complicated operands.  */

static unsigned long
insert_d9 (insn, value, errmsg)
     unsigned long insn;
     long value;
     const char **errmsg;
{
  if (value > 0xff || value < -0x100)
    *errmsg = "branch value out of range";

  if ((value % 2) != 0)
    *errmsg = "branch to odd offset";

  return (insn | ((value & 0x1f0) << 7) | ((value & 0x0e) << 3));
}

static long
extract_d9 (insn, invalid)
     unsigned long insn;
     int *invalid;
{
  long ret = ((insn & 0xf800) >> 7) | ((insn & 0x0070) >> 3);

  if ((insn & 0x8000) != 0)
    ret -= 0x0200;

  return ret;
}

static unsigned long
insert_d22 (insn, value, errmsg)
     unsigned long insn;
     long value;
     const char **errmsg;
{
  if (value > 0x1fffff || value < -0x200000)
    *errmsg = "branch value out of range";

  if ((value % 2) != 0)
    *errmsg = "branch to odd offset";

  return (insn | ((value & 0xfffe) << 16) | ((value & 0x3f0000) >> 16));
}

static long
extract_d22 (insn, invalid)
     unsigned long insn;
     int *invalid;
{
  int ret = ((insn & 0xfffe0000) >> 16) | ((insn & 0x3f) << 16);

  return ((ret << 10) >> 10);
}

static unsigned long
insert_d16_15 (insn, value, errmsg)
     unsigned long insn;
     long value;
     const char **errmsg;
{
  if (value > 0x7fff || value < -0x8000)
    *errmsg = "value out of range";

  if ((value % 2) != 0)
    *errmsg = "load/store half/word at odd offset";

  return (insn | ((value & 0xfffe) << 16));
}

static long
extract_d16_15 (insn, invalid)
     unsigned long insn;
     int *invalid;
{
  int ret = ((insn & 0xfffe0000) >> 16);

  return ((ret << 16) >> 16);
}

static unsigned long
insert_d8_7 (insn, value, errmsg)
     unsigned long insn;
     long value;
     const char **errmsg;
{
  if (value > 0xff || value < 0)
    *errmsg = "short load/store half value out of range";

  if ((value % 2) != 0)
    *errmsg = "short load/store half at odd offset";

  value >>= 1;

  return (insn | (value & 0x7f));
}

static long
extract_d8_7 (insn, invalid)
     unsigned long insn;
     int *invalid;
{
  int ret = (insn & 0x7f);

  return ret << 1;
}

static unsigned long
insert_d8_6 (insn, value, errmsg)
     unsigned long insn;
     long value;
     const char **errmsg;
{
  if (value > 0xff || value < 0)
    *errmsg = "short load/store word value out of range";

  if ((value % 4) != 0)
    *errmsg = "short load/store word at odd offset";

  value >>= 1;

  return (insn | (value & 0x7e));
}

static long
extract_d8_6 (insn, invalid)
     unsigned long insn;
     int *invalid;
{
  int ret = (insn & 0x7e);

  return ret << 1;
}
Commit	Line	Data
072b27ea JL	1	/* Assemble V850 instructions.
	2	Copyright (C) 1996 Free Software Foundation, Inc.
	3
	4	This program is free software; you can redistribute it and/or modify
	5	it under the terms of the GNU General Public License as published by
	6	the Free Software Foundation; either version 2 of the License, or
	7	(at your option) any later version.
	8
	9	This program is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	GNU General Public License for more details.
	13
	14	You should have received a copy of the GNU General Public License
	15	along with this program; if not, write to the Free Software
	16	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	17
6d1e1ee8 C	18	#include "ansidecl.h"
	19	#include "opcode/v850.h"
	20
4f235110 C	21	/* Local insertion and extraction functions. */
	22	static unsigned long insert_d9 PARAMS ((unsigned long, long, const char **));
	23	static long extract_d9 PARAMS ((unsigned long, int *));
574b9cb3 JL	24	static unsigned long insert_d22 PARAMS ((unsigned long, long, const char **));
574b9cb3 JL	25	static long extract_d22 PARAMS ((unsigned long, int *));
c6b9c135 JL	26	static unsigned long insert_d16_15 PARAMS ((unsigned long, long,
	27	const char **));
	28	static long extract_d16_15 PARAMS ((unsigned long, int *));
b2194164 JL	29	static unsigned long insert_d8_7 PARAMS ((unsigned long, long, const char **));
	30	static long extract_d8_7 PARAMS ((unsigned long, int *));
	31	static unsigned long insert_d8_6 PARAMS ((unsigned long, long, const char **));
	32	static long extract_d8_6 PARAMS ((unsigned long, int *));
4f235110	33
6d1e1ee8 C	34	/* regular opcode */
	35	#define OP(x) ((x & 0x3f) << 5)
	36	#define OP_MASK OP(0x3f)
	37
	38	/* conditional branch opcode */
	39	#define BOP(x) ((0x0b << 7) \| (x & 0x0f))
502535cf	40	#define BOP_MASK ((0x0f << 7) \| 0x0f)
6d1e1ee8 C	41
	42	/* one-word opcodes */
	43	#define one(x) ((unsigned int) (x))
	44
	45	/* two-word opcodes */
b1e897a9	46	#define two(x,y) ((unsigned int) (x) \| ((unsigned int) (y) << 16))
6d1e1ee8 C	47
	48
	49	\f
	50	const struct v850_operand v850_operands[] = {
	51	#define UNUSED 0
69463cbb	52	{ 0, 0, 0, 0, 0 },
6d1e1ee8 C	53
	54	/* The R1 field in a format 1, 6, 7, or 9 insn. */
	55	#define R1 (UNUSED+1)
69463cbb	56	{ 5, 0, 0, 0, V850_OPERAND_REG },
6d1e1ee8 C	57
	58	/* The R2 field in a format 1, 2, 4, 5, 6, 7, 9 insn. */
	59	#define R2 (R1+1)
69463cbb	60	{ 5, 11, 0, 0, V850_OPERAND_REG },
6d1e1ee8 C	61
	62	/* The IMM5 field in a format 2 insn. */
	63	#define I5 (R2+1)
dbc6a8f6 C	64	{ 5, 0, 0, 0, V850_OPERAND_SIGNED },
	65
	66	#define I5U (I5+1)
	67	{ 5, 0, 0, 0, 0 },
6d1e1ee8	68
4f235110	69	/* The IMM16 field in a format 6 insn. */
dbc6a8f6	70	#define I16 (I5U+1)
e7dd7775	71	{ 16, 16, 0, 0, V850_OPERAND_SIGNED },
6d1e1ee8	72
4be84c49	73	/* The signed DISP7 field in a format 4 insn. */
b2194164 JL	74	#define D7 (I16+1)
b2194164 JL	75	{ 7, 0, 0, 0, 0},
6d1e1ee8	76
6d1e1ee8	77	/* The DISP16 field in a format 6 insn. */
244558e3	78	#define D16_15 (D7+1)
c6b9c135	79	{ 16, 16, insert_d16_15, extract_d16_15, V850_OPERAND_SIGNED },
6d1e1ee8	80
244558e3	81	#define B3 (D16_15+1)
7c8157dd	82	/* The 3 bit immediate field in format 8 insn. */
3c72ab70	83	{ 3, 11, 0, 0, 0 },
69463cbb C	84
	85	#define CCCC (B3+1)
	86	/* The 4 bit condition code in a setf instruction */
4be84c49 JL	87	{ 4, 0, 0, 0, V850_OPERAND_CC },
4be84c49 JL	88
b2194164 JL	89	/* The unsigned DISP8_7 field in a format 4 insn. */
b2194164 JL	90	#define D8_7 (CCCC+1)
0068e79c	91	{ 8, 0, insert_d8_7, extract_d8_7, V850_OPERAND_ADJUST_SHORT_MEMORY },
b2194164 JL	92
	93	/* The unsigned DISP8_6 field in a format 4 insn. */
	94	#define D8_6 (D8_7+1)
0068e79c	95	{ 8, 0, insert_d8_6, extract_d8_6, V850_OPERAND_ADJUST_SHORT_MEMORY },
4be84c49	96
e41c99bd	97	/* System register operands. */
b2194164	98	#define SR1 (D8_6+1)
d3edb57f JL	99	{ 5, 0, 0, 0, V850_OPERAND_SRG },
	100
	101	/* EP Register. */
	102	#define EP (SR1+1)
e7dd7775 JL	103	{ 0, 0, 0, 0, V850_OPERAND_EP },
	104
	105	/* The IMM16 field (unsigned0 in a format 6 insn. */
	106	#define I16U (EP+1)
	107	{ 16, 16, 0, 0, 0},
e9ebb364 JL	108
	109	/* The R2 field as a system register. */
	110	#define SR2 (I16U+1)
	111	{ 5, 11, 0, 0, V850_OPERAND_SRG },
	112
c6b9c135 JL	113	/* The DISP16 field in a format 8 insn. */
	114	#define D16 (SR2+1)
	115	{ 16, 16, 0, 0, V850_OPERAND_SIGNED },
	116
244558e3 JL	117	/* The DISP22 field in a format 4 insn, relaxable. */
	118	#define D9_RELAX (D16+1)
	119	{ 9, 0, insert_d9, extract_d9, V850_OPERAND_RELAX \| V850_OPERAND_SIGNED \| V850_OPERAND_DISP },
	120
	121	/* The DISP22 field in a format 4 insn.
	122
	123	This _must_ follow D9_RELAX; the assembler assumes that the longer
	124	version immediately follows the shorter version for relaxing. */
	125	#define D22 (D9_RELAX+1)
	126	{ 22, 0, insert_d22, extract_d22, V850_OPERAND_SIGNED \| V850_OPERAND_DISP },
	127
6d1e1ee8 C	128	} ;
	129
	130	\f
	131	/* reg-reg instruction format (Format I) */
	132	#define IF1 {R1, R2}
	133
	134	/* imm-reg instruction format (Format II) */
	135	#define IF2 {I5, R2}
	136
	137	/* conditional branch instruction format (Format III) */
244558e3	138	#define IF3 {D9_RELAX}
6d1e1ee8 C	139
6d1e1ee8 C	140	/* 16-bit load/store instruction (Format IV) */
b2194164 JL	141	#define IF4A {D7, EP, R2}
	142	#define IF4B {R2, D7, EP}
	143	#define IF4C {D8_7, EP, R2}
	144	#define IF4D {R2, D8_7, EP}
	145	#define IF4E {D8_6, EP, R2}
	146	#define IF4F {R2, D8_6, EP}
6d1e1ee8 C	147
	148	/* Jump instruction (Format V) */
	149	#define IF5 {D22}
	150
	151	/* 3 operand instruction (Format VI) */
e89a42c1	152	#define IF6 {I16, R1, R2}
6d1e1ee8	153
e7dd7775 JL	154	/* 3 operand instruction (Format VI) */
	155	#define IF6U {I16U, R1, R2}
	156
c6b9c135 JL	157	/* 32-bit load/store half/word instruction (Format VII) */
	158	#define IF7A {D16_15, R1, R2}
	159	#define IF7B {R2, D16_15, R1}
	160
	161	/* 32-bit load/store byte instruction (Format VII) */
	162	#define IF7C {D16, R1, R2}
	163	#define IF7D {R2, D16, R1}
6d1e1ee8	164
b10e29f4	165	/* Bit manipulation function. */
6d1e1ee8 C	166
	167
	168	\f
	169	/* The opcode table.
	170
	171	The format of the opcode table is:
	172
	173	NAME OPCODE MASK { OPERANDS }
	174
	175	NAME is the name of the instruction.
	176	OPCODE is the instruction opcode.
	177	MASK is the opcode mask; this is used to tell the disassembler
	178	which bits in the actual opcode must match OPCODE.
	179	OPERANDS is the list of operands.
	180
	181	The disassembler reads the table in order and prints the first
	182	instruction which matches, so this table is sorted to put more
	183	specific instructions before more general instructions. It is also
	184	sorted by major opcode. */
	185
	186	const struct v850_opcode v850_opcodes[] = {
072b27ea	187	{ "breakpoint", 0xffff, 0xffff, 0, 0 },
6d1e1ee8	188	/* load/store instructions */
09478dc3 JL	189	{ "sld.b", one(0x0300), one(0x0780), IF4A, 1 },
	190	{ "sld.h", one(0x0400), one(0x0780), IF4C, 1 },
	191	{ "sld.w", one(0x0500), one(0x0781), IF4E, 1 },
e7f3e5fb JL	192	{ "sst.b", one(0x0380), one(0x0780), IF4B, 2 },
e7f3e5fb JL	193	{ "sst.h", one(0x0480), one(0x0780), IF4D, 2 },
b2194164	194	{ "sst.w", one(0x0501), one(0x0781), IF4F, 2 },
280d40df	195
09478dc3 JL	196	{ "ld.b", two(0x0700,0x0000), two (0x07e0,0x0000), IF7C, 1 },
	197	{ "ld.h", two(0x0720,0x0000), two (0x07e0,0x0001), IF7A, 1 },
	198	{ "ld.w", two(0x0720,0x0001), two (0x07e0,0x0001), IF7A, 1 },
	199	{ "st.b", two(0x0740,0x0000), two (0x07e0,0x0000), IF7D, 2 },
	200	{ "st.h", two(0x0760,0x0000), two (0x07e0,0x0001), IF7B, 2 },
	201	{ "st.w", two(0x0760,0x0001), two (0x07e0,0x0001), IF7B, 2 },
6d1e1ee8 C	202
6d1e1ee8 C	203	/* arithmetic operation instructions */
09478dc3 JL	204	{ "nop", one(0x00), one(0xffff), {0}, 0 },
	205	{ "mov", OP(0x00), OP_MASK, IF1, 0 },
	206	{ "mov", OP(0x10), OP_MASK, IF2, 0 },
	207	{ "movea", OP(0x31), OP_MASK, IF6, 0 },
	208	{ "movhi", OP(0x32), OP_MASK, IF6, 0 },
	209	{ "add", OP(0x0e), OP_MASK, IF1, 0 },
	210	{ "add", OP(0x12), OP_MASK, IF2, 0 },
	211	{ "addi", OP(0x30), OP_MASK, IF6, 0 },
	212	{ "sub", OP(0x0d), OP_MASK, IF1, 0 },
	213	{ "subr", OP(0x0c), OP_MASK, IF1, 0 },
	214	{ "mulh", OP(0x07), OP_MASK, IF1, 0 },
	215	{ "mulh", OP(0x17), OP_MASK, IF2, 0 },
	216	{ "mulhi", OP(0x37), OP_MASK, IF6, 0 },
	217	{ "divh", OP(0x02), OP_MASK, IF1, 0 },
	218	{ "cmp", OP(0x0f), OP_MASK, IF1, 0 },
	219	{ "cmp", OP(0x13), OP_MASK, IF2, 0 },
	220	{ "setf", two(0x07e0,0x0000), two(0x07f0,0xffff), {CCCC,R2}, 0 },
6d1e1ee8 C	221
6d1e1ee8 C	222	/* saturated operation instructions */
09478dc3 JL	223	{ "satadd", OP(0x06), OP_MASK, IF1, 0 },
	224	{ "satadd", OP(0x11), OP_MASK, IF2, 0 },
	225	{ "satsub", OP(0x05), OP_MASK, IF1, 0 },
	226	{ "satsubi", OP(0x33), OP_MASK, IF6, 0 },
	227	{ "satsubr", OP(0x04), OP_MASK, IF1, 0 },
6d1e1ee8 C	228
6d1e1ee8 C	229	/* logical operation instructions */
09478dc3 JL	230	{ "tst", OP(0x0b), OP_MASK, IF1, 0 },
	231	{ "or", OP(0x08), OP_MASK, IF1, 0 },
	232	{ "ori", OP(0x34), OP_MASK, IF6U, 0 },
	233	{ "and", OP(0x0a), OP_MASK, IF1, 0 },
	234	{ "andi", OP(0x36), OP_MASK, IF6U, 0 },
	235	{ "xor", OP(0x09), OP_MASK, IF1, 0 },
	236	{ "xori", OP(0x35), OP_MASK, IF6U, 0 },
	237	{ "not", OP(0x01), OP_MASK, IF1, 0 },
	238	{ "sar", OP(0x15), OP_MASK, {I5U, R2}, 0 },
	239	{ "sar", two(0x07e0,0x00a0), two(0x07e0,0xffff), {R1,R2}, 0 },
	240	{ "shl", OP(0x16), OP_MASK, {I5U, R2}, 0 },
	241	{ "shl", two(0x07e0,0x00c0), two(0x07e0,0xffff), {R1,R2}, 0 },
	242	{ "shr", OP(0x14), OP_MASK, {I5U, R2}, 0 },
	243	{ "shr", two(0x07e0,0x0080), two(0x07e0,0xffff), {R1,R2}, 0 },
6d1e1ee8 C	244
6d1e1ee8 C	245	/* branch instructions */
6bc33c7f	246	/* signed integer */
09478dc3 JL	247	{ "bgt", BOP(0xf), BOP_MASK, IF3, 0 },
	248	{ "bge", BOP(0xe), BOP_MASK, IF3, 0 },
	249	{ "blt", BOP(0x6), BOP_MASK, IF3, 0 },
	250	{ "ble", BOP(0x7), BOP_MASK, IF3, 0 },
6bc33c7f	251	/* unsigned integer */
09478dc3 JL	252	{ "bh", BOP(0xb), BOP_MASK, IF3, 0 },
	253	{ "bnh", BOP(0x3), BOP_MASK, IF3, 0 },
	254	{ "bl", BOP(0x1), BOP_MASK, IF3, 0 },
	255	{ "bnl", BOP(0x9), BOP_MASK, IF3, 0 },
6bc33c7f	256	/* common */
09478dc3 JL	257	{ "be", BOP(0x2), BOP_MASK, IF3, 0 },
09478dc3 JL	258	{ "bne", BOP(0xa), BOP_MASK, IF3, 0 },
6bc33c7f	259	/* others */
09478dc3 JL	260	{ "bv", BOP(0x0), BOP_MASK, IF3, 0 },
	261	{ "bnv", BOP(0x8), BOP_MASK, IF3, 0 },
	262	{ "bn", BOP(0x4), BOP_MASK, IF3, 0 },
	263	{ "bp", BOP(0xc), BOP_MASK, IF3, 0 },
	264	{ "bc", BOP(0x1), BOP_MASK, IF3, 0 },
	265	{ "bnc", BOP(0x9), BOP_MASK, IF3, 0 },
	266	{ "bz", BOP(0x2), BOP_MASK, IF3, 0 },
	267	{ "bnz", BOP(0xa), BOP_MASK, IF3, 0 },
	268	{ "br", BOP(0x5), BOP_MASK, IF3, 0 },
	269	{ "bsa", BOP(0xd), BOP_MASK, IF3, 0 },
	270
244558e3 JL	271	/* Branch macros.
	272
	273	We use the short form in the opcode/mask fields. The assembler
	274	will twiddle bits as necessary if the long form is needed. */
	275
0f02ae6e JL	276	/* signed integer */
	277	{ "jgt", BOP(0xf), BOP_MASK, IF3, 0 },
	278	{ "jge", BOP(0xe), BOP_MASK, IF3, 0 },
	279	{ "jlt", BOP(0x6), BOP_MASK, IF3, 0 },
	280	{ "jle", BOP(0x7), BOP_MASK, IF3, 0 },
	281	/* unsigned integer */
	282	{ "jh", BOP(0xb), BOP_MASK, IF3, 0 },
	283	{ "jnh", BOP(0x3), BOP_MASK, IF3, 0 },
	284	{ "jl", BOP(0x1), BOP_MASK, IF3, 0 },
	285	{ "jnl", BOP(0x9), BOP_MASK, IF3, 0 },
	286	/* common */
	287	{ "je", BOP(0x2), BOP_MASK, IF3, 0 },
	288	{ "jne", BOP(0xa), BOP_MASK, IF3, 0 },
	289	/* others */
	290	{ "jv", BOP(0x0), BOP_MASK, IF3, 0 },
	291	{ "jnv", BOP(0x8), BOP_MASK, IF3, 0 },
	292	{ "jn", BOP(0x4), BOP_MASK, IF3, 0 },
	293	{ "jp", BOP(0xc), BOP_MASK, IF3, 0 },
	294	{ "jc", BOP(0x1), BOP_MASK, IF3, 0 },
	295	{ "jnc", BOP(0x9), BOP_MASK, IF3, 0 },
	296	{ "jz", BOP(0x2), BOP_MASK, IF3, 0 },
	297	{ "jnz", BOP(0xa), BOP_MASK, IF3, 0 },
	298	{ "jsa", BOP(0xd), BOP_MASK, IF3, 0 },
0068e79c	299	{ "jbr", BOP(0x5), BOP_MASK, IF3, 0 },
0f02ae6e	300
09478dc3 JL	301	{ "jmp", one(0x0060), one(0xffe0), { R1}, 1 },
	302	{ "jr", one(0x0780), two(0xffc0,0x0001),{ D22 }, 0 },
	303	{ "jarl", one(0x0780), two(0x07c0,0x0001),{ D22, R2 }, 0 },
6d1e1ee8	304
6d1e1ee8	305	/* bit manipulation instructions */
09478dc3 JL	306	{ "set1", two(0x07c0,0x0000), two(0xc7e0,0x0000), {B3, D16, R1}, 2 },
	307	{ "not1", two(0x47c0,0x0000), two(0xc7e0,0x0000), {B3, D16, R1}, 2 },
	308	{ "clr1", two(0x87c0,0x0000), two(0xc7e0,0x0000), {B3, D16, R1}, 2 },
	309	{ "tst1", two(0xc7c0,0x0000), two(0xc7e0,0x0000), {B3, D16, R1}, 2 },
6d1e1ee8 C	310
6d1e1ee8 C	311	/* special instructions */
09478dc3 JL	312	{ "di", two(0x07e0,0x0160), two(0xffff,0xffff), {0}, 0 },
	313	{ "ei", two(0x87e0,0x0160), two(0xffff,0xffff), {0}, 0 },
	314	{ "halt", two(0x07e0,0x0120), two(0xffff,0xffff), {0}, 0 },
	315	{ "reti", two(0x07e0,0x0140), two(0xffff,0xffff), {0}, 0 },
	316	{ "trap", two(0x07e0,0x0100), two(0xffe0,0xffff), {I5U}, 0 },
	317	{ "ldsr", two(0x07e0,0x0020), two(0x07e0,0xffff), {R1,SR2}, 0 },
	318	{ "stsr", two(0x07e0,0x0040), two(0x07e0,0xffff), {SR1,R2}, 0 },
e7dd7775	319	{ 0, 0, 0, {0}, 0 },
6d1e1ee8 C	320
	321	} ;
	322
	323	const int v850_num_opcodes =
	324	sizeof (v850_opcodes) / sizeof (v850_opcodes[0]);
	325
4f235110 C	326	\f
	327	/* The functions used to insert and extract complicated operands. */
	328
	329	static unsigned long
	330	insert_d9 (insn, value, errmsg)
	331	unsigned long insn;
	332	long value;
	333	const char **errmsg;
	334	{
072b27ea	335	if (value > 0xff \|\| value < -0x100)
fb8c25a3 JL	336	*errmsg = "branch value out of range";
	337
	338	if ((value % 2) != 0)
	339	*errmsg = "branch to odd offset";
4f235110 C	340
	341	return (insn \| ((value & 0x1f0) << 7) \| ((value & 0x0e) << 3));
	342	}
	343
	344	static long
	345	extract_d9 (insn, invalid)
	346	unsigned long insn;
	347	int *invalid;
	348	{
	349	long ret = ((insn & 0xf800) >> 7) \| ((insn & 0x0070) >> 3);
	350
	351	if ((insn & 0x8000) != 0)
	352	ret -= 0x0200;
	353
	354	return ret;
	355	}
574b9cb3 JL	356
	357	static unsigned long
	358	insert_d22 (insn, value, errmsg)
	359	unsigned long insn;
	360	long value;
	361	const char **errmsg;
	362	{
072b27ea	363	if (value > 0x1fffff \|\| value < -0x200000)
c6b9c135	364	*errmsg = "branch value out of range";
574b9cb3	365
fb8c25a3 JL	366	if ((value % 2) != 0)
	367	*errmsg = "branch to odd offset";
	368
574b9cb3 JL	369	return (insn \| ((value & 0xfffe) << 16) \| ((value & 0x3f0000) >> 16));
	370	}
	371
	372	static long
	373	extract_d22 (insn, invalid)
	374	unsigned long insn;
	375	int *invalid;
	376	{
	377	int ret = ((insn & 0xfffe0000) >> 16) \| ((insn & 0x3f) << 16);
	378
	379	return ((ret << 10) >> 10);
	380	}
c6b9c135 JL	381
	382	static unsigned long
	383	insert_d16_15 (insn, value, errmsg)
	384	unsigned long insn;
	385	long value;
	386	const char **errmsg;
	387	{
072b27ea	388	if (value > 0x7fff \|\| value < -0x8000)
c6b9c135 JL	389	*errmsg = "value out of range";
	390
	391	if ((value % 2) != 0)
b2194164	392	*errmsg = "load/store half/word at odd offset";
c6b9c135 JL	393
	394	return (insn \| ((value & 0xfffe) << 16));
	395	}
	396
	397	static long
	398	extract_d16_15 (insn, invalid)
	399	unsigned long insn;
	400	int *invalid;
	401	{
	402	int ret = ((insn & 0xfffe0000) >> 16);
	403
	404	return ((ret << 16) >> 16);
	405	}
b2194164 JL	406
	407	static unsigned long
	408	insert_d8_7 (insn, value, errmsg)
	409	unsigned long insn;
	410	long value;
	411	const char **errmsg;
	412	{
	413	if (value > 0xff \|\| value < 0)
	414	*errmsg = "short load/store half value out of range";
	415
	416	if ((value % 2) != 0)
	417	*errmsg = "short load/store half at odd offset";
	418
	419	value >>= 1;
	420
	421	return (insn \| (value & 0x7f));
	422	}
	423
	424	static long
	425	extract_d8_7 (insn, invalid)
	426	unsigned long insn;
	427	int *invalid;
	428	{
	429	int ret = (insn & 0x7f);
	430
	431	return ret << 1;
	432	}
	433
	434	static unsigned long
	435	insert_d8_6 (insn, value, errmsg)
	436	unsigned long insn;
	437	long value;
	438	const char **errmsg;
	439	{
	440	if (value > 0xff \|\| value < 0)
	441	*errmsg = "short load/store word value out of range";
	442
	443	if ((value % 4) != 0)
	444	*errmsg = "short load/store word at odd offset";
	445
244558e3	446	value >>= 1;
b2194164 JL	447
	448	return (insn \| (value & 0x7e));
	449	}
	450
	451	static long
	452	extract_d8_6 (insn, invalid)
	453	unsigned long insn;
	454	int *invalid;
	455	{
	456	int ret = (insn & 0x7e);
	457
	458	return ret << 1;
	459	}