[deliverable/binutils-gdb.git] / cpu / m32r.opc

/* M32R opcode support.  -*- C -*-

   Copyright 1998, 1999, 2000, 2001, 2004, 2005
   Free Software Foundation, Inc.

   Contributed by Red Hat Inc; developed under contract from
   Mitsubishi Electric Corporation.

   This file is part of the GNU Binutils.

   Contributed by Red Hat Inc; developed under contract from Fujitsu.

   This file is part of the GNU Binutils.

   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., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

/* This file is an addendum to m32r.cpu.  Heavy use of C code isn't
   appropriate in .cpu files, so it resides here.  This especially applies
   to assembly/disassembly where parsing/printing can be quite involved.
   Such things aren't really part of the specification of the cpu, per se,
   so .cpu files provide the general framework and .opc files handle the
   nitty-gritty details as necessary.

   Each section is delimited with start and end markers.

   <arch>-opc.h additions use: "-- opc.h"
   <arch>-opc.c additions use: "-- opc.c"
   <arch>-asm.c additions use: "-- asm.c"
   <arch>-dis.c additions use: "-- dis.c"
   <arch>-ibd.h additions use: "-- ibd.h"  */
\f
/* -- opc.h */

#undef  CGEN_DIS_HASH_SIZE
#define CGEN_DIS_HASH_SIZE 256
#undef  CGEN_DIS_HASH
#if 0
#define X(b) (((unsigned char *) (b))[0] & 0xf0)
#define CGEN_DIS_HASH(buffer, value) \
(X (buffer) | \
 (X (buffer) == 0x40 || X (buffer) == 0xe0 || X (buffer) == 0x60 || X (buffer) == 0x50 ? 0 \
  : X (buffer) == 0x70 || X (buffer) == 0xf0 ? (((unsigned char *) (buffer))[0] & 0xf) \
  : X (buffer) == 0x30 ? ((((unsigned char *) (buffer))[1] & 0x70) >> 4) \
  : ((((unsigned char *) (buffer))[1] & 0xf0) >> 4)))
#else
#define CGEN_DIS_HASH(buffer, value) m32r_cgen_dis_hash (buffer, value)
extern unsigned int m32r_cgen_dis_hash (const char *, CGEN_INSN_INT);
#endif

/* -- */
\f
/* -- opc.c */
unsigned int
m32r_cgen_dis_hash (const char * buf ATTRIBUTE_UNUSED, CGEN_INSN_INT value)
{
  unsigned int x;

  if (value & 0xffff0000) /* 32bit instructions.  */
    value = (value >> 16) & 0xffff;

  x = (value >> 8) & 0xf0;
  if (x == 0x40 || x == 0xe0 || x == 0x60 || x == 0x50)
    return x;

  if (x == 0x70 || x == 0xf0)
    return x | ((value >> 8) & 0x0f);

  if (x == 0x30)
    return x | ((value & 0x70) >> 4);
  else
    return x | ((value & 0xf0) >> 4);
}

/* -- */
\f
/* -- asm.c */
static const char * MISSING_CLOSING_PARENTHESIS = N_("missing `)'");

/* Handle '#' prefixes (i.e. skip over them).  */

static const char *
parse_hash (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
	    const char **strp,
	    int opindex ATTRIBUTE_UNUSED,
	    long *valuep ATTRIBUTE_UNUSED)
{
  if (**strp == '#')
    ++*strp;
  return NULL;
}

/* Handle shigh(), high().  */

static const char *
parse_hi16 (CGEN_CPU_DESC cd,
	    const char **strp,
	    int opindex,
	    unsigned long *valuep)
{
  const char *errmsg;
  enum cgen_parse_operand_result result_type;
  bfd_vma value;

  if (**strp == '#')
    ++*strp;

  if (strncasecmp (*strp, "high(", 5) == 0)
    {
      *strp += 5;
      errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_HI16_ULO,
				   & result_type, & value);
      if (**strp != ')')
	return MISSING_CLOSING_PARENTHESIS;
      ++*strp;
      if (errmsg == NULL
  	  && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
	{
	  value >>= 16;
	  value &= 0xffff;
	}
      *valuep = value;
      return errmsg;
    }
  else if (strncasecmp (*strp, "shigh(", 6) == 0)
    {
      *strp += 6;
      errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_HI16_SLO,
 				   & result_type, & value);
      if (**strp != ')')
	return MISSING_CLOSING_PARENTHESIS;
      ++*strp;
      if (errmsg == NULL
	  && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
        {
          value += 0x8000;
          value >>= 16;
	  value &= 0xffff;
        }
      *valuep = value;
      return errmsg;
    }

  return cgen_parse_unsigned_integer (cd, strp, opindex, valuep);
}

/* Handle low() in a signed context.  Also handle sda().
   The signedness of the value doesn't matter to low(), but this also
   handles the case where low() isn't present.  */

static const char *
parse_slo16 (CGEN_CPU_DESC cd,
	     const char ** strp,
	     int opindex,
	     long * valuep)
{
  const char *errmsg;
  enum cgen_parse_operand_result result_type;
  bfd_vma value;

  if (**strp == '#')
    ++*strp;

  if (strncasecmp (*strp, "low(", 4) == 0)
    {
      *strp += 4;
      errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_LO16,
				   & result_type, & value);
      if (**strp != ')')
	return MISSING_CLOSING_PARENTHESIS;
      ++*strp;
      if (errmsg == NULL
	  && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
	value = ((value & 0xffff) ^ 0x8000) - 0x8000;    
      *valuep = value;
      return errmsg;
    }

  if (strncasecmp (*strp, "sda(", 4) == 0)
    {
      *strp += 4;
      errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_SDA16,
				   NULL, & value);
      if (**strp != ')')
	return MISSING_CLOSING_PARENTHESIS;
      ++*strp;
      *valuep = value;
      return errmsg;
    }

  return cgen_parse_signed_integer (cd, strp, opindex, valuep);
}

/* Handle low() in an unsigned context.
   The signedness of the value doesn't matter to low(), but this also
   handles the case where low() isn't present.  */

static const char *
parse_ulo16 (CGEN_CPU_DESC cd,
	     const char **strp,
	     int opindex,
	     unsigned long *valuep)
{
  const char *errmsg;
  enum cgen_parse_operand_result result_type;
  bfd_vma value;

  if (**strp == '#')
    ++*strp;

  if (strncasecmp (*strp, "low(", 4) == 0)
    {
      *strp += 4;
      errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_LO16,
				   & result_type, & value);
      if (**strp != ')')
	return MISSING_CLOSING_PARENTHESIS;
      ++*strp;
      if (errmsg == NULL
	  && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
	value &= 0xffff;
      *valuep = value;
      return errmsg;
    }

  return cgen_parse_unsigned_integer (cd, strp, opindex, valuep);
}

/* -- */
\f
/* -- dis.c */
/* Immediate values are prefixed with '#'.  */

#define CGEN_PRINT_NORMAL(cd, info, value, attrs, pc, length)	\
  do								\
    {								\
      if (CGEN_BOOL_ATTR ((attrs), CGEN_OPERAND_HASH_PREFIX))	\
        (*info->fprintf_func) (info->stream, "#");		\
    }								\
  while (0)

/* Handle '#' prefixes as operands.  */

static void
print_hash (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
	    void * dis_info,
	    long value ATTRIBUTE_UNUSED,
	    unsigned int attrs ATTRIBUTE_UNUSED,
	    bfd_vma pc ATTRIBUTE_UNUSED,
	    int length ATTRIBUTE_UNUSED)
{
  disassemble_info *info = (disassemble_info *) dis_info;

  (*info->fprintf_func) (info->stream, "#");
}

#undef  CGEN_PRINT_INSN
#define CGEN_PRINT_INSN my_print_insn

static int
my_print_insn (CGEN_CPU_DESC cd,
	       bfd_vma pc,
	       disassemble_info *info)
{
  bfd_byte buffer[CGEN_MAX_INSN_SIZE];
  bfd_byte *buf = buffer;
  int status;
  int buflen = (pc & 3) == 0 ? 4 : 2;
  int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG;
  bfd_byte *x;

  /* Read the base part of the insn.  */

  status = (*info->read_memory_func) (pc - ((!big_p && (pc & 3) != 0) ? 2 : 0),
                                      buf, buflen, info);
  if (status != 0)
    {
      (*info->memory_error_func) (status, pc, info);
      return -1;
    }

  /* 32 bit insn?  */
  x = (big_p ? &buf[0] : &buf[3]);
  if ((pc & 3) == 0 && (*x & 0x80) != 0)
    return print_insn (cd, pc, info, buf, buflen);

  /* Print the first insn.  */
  if ((pc & 3) == 0)
    {
      buf += (big_p ? 0 : 2);
      if (print_insn (cd, pc, info, buf, 2) == 0)
	(*info->fprintf_func) (info->stream, UNKNOWN_INSN_MSG);
      buf += (big_p ? 2 : -2);
    }

  x = (big_p ? &buf[0] : &buf[1]);
  if (*x & 0x80)
    {
      /* Parallel.  */
      (*info->fprintf_func) (info->stream, " || ");
      *x &= 0x7f;
    }
  else
    (*info->fprintf_func) (info->stream, " -> ");

  /* The "& 3" is to pass a consistent address.
     Parallel insns arguably both begin on the word boundary.
     Also, branch insns are calculated relative to the word boundary.  */
  if (print_insn (cd, pc & ~ (bfd_vma) 3, info, buf, 2) == 0)
    (*info->fprintf_func) (info->stream, UNKNOWN_INSN_MSG);

  return (pc & 3) ? 2 : 4;
}

/* -- */
Commit	Line	Data
e866a257 AC	1	/* M32R opcode support. -- C --
e866a257 AC	2
33b71eeb NC	3	Copyright 1998, 1999, 2000, 2001, 2004, 2005
33b71eeb NC	4	Free Software Foundation, Inc.
e866a257 AC	5
	6	Contributed by Red Hat Inc; developed under contract from
	7	Mitsubishi Electric Corporation.
	8
	9	This file is part of the GNU Binutils.
	10
	11	Contributed by Red Hat Inc; developed under contract from Fujitsu.
	12
	13	This file is part of the GNU Binutils.
	14
	15	This program is free software; you can redistribute it and/or modify
	16	it under the terms of the GNU General Public License as published by
	17	the Free Software Foundation; either version 2 of the License, or
	18	(at your option) any later version.
	19
	20	This program is distributed in the hope that it will be useful,
	21	but WITHOUT ANY WARRANTY; without even the implied warranty of
	22	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	23	GNU General Public License for more details.
	24
	25	You should have received a copy of the GNU General Public License
	26	along with this program; if not, write to the Free Software
47b0e7ad NC	27	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
47b0e7ad NC	28	MA 02110-1301, USA. */
e866a257	29
e866a257 AC	30	/* This file is an addendum to m32r.cpu. Heavy use of C code isn't
	31	appropriate in .cpu files, so it resides here. This especially applies
	32	to assembly/disassembly where parsing/printing can be quite involved.
	33	Such things aren't really part of the specification of the cpu, per se,
	34	so .cpu files provide the general framework and .opc files handle the
	35	nitty-gritty details as necessary.
	36
	37	Each section is delimited with start and end markers.
	38
	39	<arch>-opc.h additions use: "-- opc.h"
	40	<arch>-opc.c additions use: "-- opc.c"
	41	<arch>-asm.c additions use: "-- asm.c"
	42	<arch>-dis.c additions use: "-- dis.c"
f4453dfa	43	<arch>-ibd.h additions use: "-- ibd.h" */
e866a257 AC	44	\f
	45	/* -- opc.h */
	46
	47	#undef CGEN_DIS_HASH_SIZE
	48	#define CGEN_DIS_HASH_SIZE 256
	49	#undef CGEN_DIS_HASH
8ee9a8b2	50	#if 0
e866a257 AC	51	#define X(b) (((unsigned char *) (b))[0] & 0xf0)
	52	#define CGEN_DIS_HASH(buffer, value) \
	53	(X (buffer) \| \
	54	(X (buffer) == 0x40 \|\| X (buffer) == 0xe0 \|\| X (buffer) == 0x60 \|\| X (buffer) == 0x50 ? 0 \
	55	: X (buffer) == 0x70 \|\| X (buffer) == 0xf0 ? (((unsigned char *) (buffer))[0] & 0xf) \
	56	: X (buffer) == 0x30 ? ((((unsigned char *) (buffer))[1] & 0x70) >> 4) \
	57	: ((((unsigned char *) (buffer))[1] & 0xf0) >> 4)))
8ee9a8b2	58	#else
47b0e7ad NC	59	#define CGEN_DIS_HASH(buffer, value) m32r_cgen_dis_hash (buffer, value)
47b0e7ad NC	60	extern unsigned int m32r_cgen_dis_hash (const char *, CGEN_INSN_INT);
8ee9a8b2	61	#endif
e866a257	62
8ee9a8b2 NC	63	/* -- */
	64	\f
	65	/* -- opc.c */
	66	unsigned int
47b0e7ad	67	m32r_cgen_dis_hash (const char * buf ATTRIBUTE_UNUSED, CGEN_INSN_INT value)
8ee9a8b2 NC	68	{
8ee9a8b2 NC	69	unsigned int x;
47b0e7ad NC	70
47b0e7ad NC	71	if (value & 0xffff0000) /* 32bit instructions. */
8ee9a8b2	72	value = (value >> 16) & 0xffff;
47b0e7ad NC	73
47b0e7ad NC	74	x = (value >> 8) & 0xf0;
8ee9a8b2 NC	75	if (x == 0x40 \|\| x == 0xe0 \|\| x == 0x60 \|\| x == 0x50)
8ee9a8b2 NC	76	return x;
47b0e7ad	77
8ee9a8b2	78	if (x == 0x70 \|\| x == 0xf0)
47b0e7ad NC	79	return x \| ((value >> 8) & 0x0f);
47b0e7ad NC	80
8ee9a8b2 NC	81	if (x == 0x30)
	82	return x \| ((value & 0x70) >> 4);
	83	else
	84	return x \| ((value & 0xf0) >> 4);
	85	}
47b0e7ad	86
e866a257 AC	87	/* -- */
	88	\f
	89	/* -- asm.c */
47b0e7ad	90	static const char * MISSING_CLOSING_PARENTHESIS = N_("missing `)'");
e866a257 AC	91
	92	/* Handle '#' prefixes (i.e. skip over them). */
	93
	94	static const char *
47b0e7ad NC	95	parse_hash (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
	96	const char **strp,
	97	int opindex ATTRIBUTE_UNUSED,
	98	long *valuep ATTRIBUTE_UNUSED)
e866a257 AC	99	{
	100	if (**strp == '#')
	101	++*strp;
	102	return NULL;
	103	}
	104
	105	/* Handle shigh(), high(). */
	106
	107	static const char *
47b0e7ad NC	108	parse_hi16 (CGEN_CPU_DESC cd,
	109	const char **strp,
	110	int opindex,
	111	unsigned long *valuep)
e866a257 AC	112	{
	113	const char *errmsg;
	114	enum cgen_parse_operand_result result_type;
	115	bfd_vma value;
	116
	117	if (**strp == '#')
	118	++*strp;
	119
	120	if (strncasecmp (*strp, "high(", 5) == 0)
	121	{
	122	*strp += 5;
	123	errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_HI16_ULO,
47b0e7ad	124	& result_type, & value);
e866a257	125	if (**strp != ')')
47b0e7ad	126	return MISSING_CLOSING_PARENTHESIS;
e866a257 AC	127	++*strp;
	128	if (errmsg == NULL
	129	&& result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
e277c00b AM	130	{
	131	value >>= 16;
	132	value &= 0xffff;
	133	}
e866a257 AC	134	*valuep = value;
	135	return errmsg;
	136	}
	137	else if (strncasecmp (*strp, "shigh(", 6) == 0)
	138	{
	139	*strp += 6;
	140	errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_HI16_SLO,
47b0e7ad	141	& result_type, & value);
e866a257	142	if (**strp != ')')
47b0e7ad	143	return MISSING_CLOSING_PARENTHESIS;
e866a257 AC	144	++*strp;
	145	if (errmsg == NULL
	146	&& result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
f4453dfa	147	{
e277c00b	148	value += 0x8000;
f4453dfa	149	value >>= 16;
e277c00b	150	value &= 0xffff;
f4453dfa	151	}
e866a257 AC	152	*valuep = value;
	153	return errmsg;
	154	}
	155
	156	return cgen_parse_unsigned_integer (cd, strp, opindex, valuep);
	157	}
	158
	159	/* Handle low() in a signed context. Also handle sda().
	160	The signedness of the value doesn't matter to low(), but this also
	161	handles the case where low() isn't present. */
	162
	163	static const char *
47b0e7ad NC	164	parse_slo16 (CGEN_CPU_DESC cd,
	165	const char ** strp,
	166	int opindex,
	167	long * valuep)
e866a257 AC	168	{
	169	const char *errmsg;
	170	enum cgen_parse_operand_result result_type;
	171	bfd_vma value;
	172
	173	if (**strp == '#')
	174	++*strp;
	175
	176	if (strncasecmp (*strp, "low(", 4) == 0)
	177	{
	178	*strp += 4;
	179	errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_LO16,
47b0e7ad	180	& result_type, & value);
e866a257	181	if (**strp != ')')
47b0e7ad	182	return MISSING_CLOSING_PARENTHESIS;
e866a257 AC	183	++*strp;
	184	if (errmsg == NULL
	185	&& result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
e74eb924	186	value = ((value & 0xffff) ^ 0x8000) - 0x8000;
e866a257 AC	187	*valuep = value;
	188	return errmsg;
	189	}
	190
	191	if (strncasecmp (*strp, "sda(", 4) == 0)
	192	{
	193	*strp += 4;
	194	errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_SDA16,
47b0e7ad	195	NULL, & value);
e866a257	196	if (**strp != ')')
47b0e7ad	197	return MISSING_CLOSING_PARENTHESIS;
e866a257 AC	198	++*strp;
	199	*valuep = value;
	200	return errmsg;
	201	}
	202
	203	return cgen_parse_signed_integer (cd, strp, opindex, valuep);
	204	}
	205
	206	/* Handle low() in an unsigned context.
	207	The signedness of the value doesn't matter to low(), but this also
	208	handles the case where low() isn't present. */
	209
	210	static const char *
47b0e7ad NC	211	parse_ulo16 (CGEN_CPU_DESC cd,
	212	const char **strp,
	213	int opindex,
	214	unsigned long *valuep)
e866a257 AC	215	{
	216	const char *errmsg;
	217	enum cgen_parse_operand_result result_type;
	218	bfd_vma value;
	219
	220	if (**strp == '#')
	221	++*strp;
	222
	223	if (strncasecmp (*strp, "low(", 4) == 0)
	224	{
	225	*strp += 4;
	226	errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32R_LO16,
47b0e7ad	227	& result_type, & value);
e866a257	228	if (**strp != ')')
47b0e7ad	229	return MISSING_CLOSING_PARENTHESIS;
e866a257 AC	230	++*strp;
	231	if (errmsg == NULL
	232	&& result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
	233	value &= 0xffff;
	234	*valuep = value;
	235	return errmsg;
	236	}
	237
	238	return cgen_parse_unsigned_integer (cd, strp, opindex, valuep);
	239	}
	240
	241	/* -- */
	242	\f
	243	/* -- dis.c */
e866a257 AC	244	/* Immediate values are prefixed with '#'. */
	245
	246	#define CGEN_PRINT_NORMAL(cd, info, value, attrs, pc, length) \
	247	do \
	248	{ \
	249	if (CGEN_BOOL_ATTR ((attrs), CGEN_OPERAND_HASH_PREFIX)) \
	250	(*info->fprintf_func) (info->stream, "#"); \
	251	} \
	252	while (0)
	253
	254	/* Handle '#' prefixes as operands. */
	255
	256	static void
47b0e7ad NC	257	print_hash (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
	258	void * dis_info,
	259	long value ATTRIBUTE_UNUSED,
	260	unsigned int attrs ATTRIBUTE_UNUSED,
	261	bfd_vma pc ATTRIBUTE_UNUSED,
	262	int length ATTRIBUTE_UNUSED)
e866a257 AC	263	{
e866a257 AC	264	disassemble_info info = (disassemble_info ) dis_info;
47b0e7ad	265
e866a257 AC	266	(*info->fprintf_func) (info->stream, "#");
	267	}
	268
	269	#undef CGEN_PRINT_INSN
	270	#define CGEN_PRINT_INSN my_print_insn
	271
	272	static int
47b0e7ad NC	273	my_print_insn (CGEN_CPU_DESC cd,
	274	bfd_vma pc,
	275	disassemble_info *info)
e866a257	276	{
47b0e7ad NC	277	bfd_byte buffer[CGEN_MAX_INSN_SIZE];
47b0e7ad NC	278	bfd_byte *buf = buffer;
e866a257 AC	279	int status;
e866a257 AC	280	int buflen = (pc & 3) == 0 ? 4 : 2;
8ee9a8b2	281	int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG;
47b0e7ad	282	bfd_byte *x;
e866a257 AC	283
	284	/* Read the base part of the insn. */
	285
8ee9a8b2 NC	286	status = (*info->read_memory_func) (pc - ((!big_p && (pc & 3) != 0) ? 2 : 0),
8ee9a8b2 NC	287	buf, buflen, info);
e866a257 AC	288	if (status != 0)
	289	{
	290	(*info->memory_error_func) (status, pc, info);
	291	return -1;
	292	}
	293
	294	/* 32 bit insn? */
8ee9a8b2 NC	295	x = (big_p ? &buf[0] : &buf[3]);
8ee9a8b2 NC	296	if ((pc & 3) == 0 && (*x & 0x80) != 0)
e866a257 AC	297	return print_insn (cd, pc, info, buf, buflen);
	298
	299	/* Print the first insn. */
	300	if ((pc & 3) == 0)
	301	{
8ee9a8b2	302	buf += (big_p ? 0 : 2);
e866a257 AC	303	if (print_insn (cd, pc, info, buf, 2) == 0)
e866a257 AC	304	(*info->fprintf_func) (info->stream, UNKNOWN_INSN_MSG);
8ee9a8b2	305	buf += (big_p ? 2 : -2);
e866a257 AC	306	}
e866a257 AC	307
8ee9a8b2 NC	308	x = (big_p ? &buf[0] : &buf[1]);
8ee9a8b2 NC	309	if (*x & 0x80)
e866a257 AC	310	{
	311	/* Parallel. */
	312	(*info->fprintf_func) (info->stream, " \|\| ");
8ee9a8b2	313	*x &= 0x7f;
e866a257 AC	314	}
	315	else
	316	(*info->fprintf_func) (info->stream, " -> ");
	317
	318	/* The "& 3" is to pass a consistent address.
	319	Parallel insns arguably both begin on the word boundary.
	320	Also, branch insns are calculated relative to the word boundary. */
	321	if (print_insn (cd, pc & ~ (bfd_vma) 3, info, buf, 2) == 0)
	322	(*info->fprintf_func) (info->stream, UNKNOWN_INSN_MSG);
	323
	324	return (pc & 3) ? 2 : 4;
	325	}
	326
	327	/* -- */