vendor/binutils/binutils-2_17-branch-20070807-000013

1 files changed, 1977 insertions, 0 deletions

diff --git a/opcodes/m32c-asm.c b/opcodes/m32c-asm.c
new file mode 100644
index 000000000000..5af5d75bab46
--- /dev/null
+++ b/opcodes/m32c-asm.c
@@ -0,0 +1,1977 @@
+/* Assembler interface for targets using CGEN. -*- C -*-
+   CGEN: Cpu tools GENerator
+
+   THIS FILE IS MACHINE GENERATED WITH CGEN.
+   - the resultant file is machine generated, cgen-asm.in isn't
+
+   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2005
+   Free Software Foundation, Inc.
+
+   This file is part of the GNU Binutils and GDB, the GNU debugger.
+
+   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, 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.  */
+
+/* ??? Eventually more and more of this stuff can go to cpu-independent files.
+   Keep that in mind.  */
+
+#include "sysdep.h"
+#include <stdio.h>
+#include "ansidecl.h"
+#include "bfd.h"
+#include "symcat.h"
+#include "m32c-desc.h"
+#include "m32c-opc.h"
+#include "opintl.h"
+#include "xregex.h"
+#include "libiberty.h"
+#include "safe-ctype.h"
+
+#undef  min
+#define min(a,b) ((a) < (b) ? (a) : (b))
+#undef  max
+#define max(a,b) ((a) > (b) ? (a) : (b))
+
+static const char * parse_insn_normal
+  (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *);
+
+/* -- assembler routines inserted here.  */
+
+/* -- asm.c */
+#include "safe-ctype.h"
+
+#define MACH_M32C 5		/* Must match md_begin.  */
+
+static int
+m32c_cgen_isa_register (const char **strp)
+ {
+   int u;
+   const char *s = *strp;
+   static char * m32c_register_names [] = 
+     {
+       "r0", "r1", "r2", "r3", "r0l", "r0h", "r1l", "r1h",
+       "a0", "a1", "r2r0", "r3r1", "sp", "fb", "dct0", "dct1", "flg", "svf",
+       "drc0", "drc1", "dmd0", "dmd1", "intb", "svp", "vct", "isp", "dma0",
+       "dma1", "dra0", "dra1", "dsa0", "dsa1", 0
+     };
+ 
+   for (u = 0; m32c_register_names[u]; u++)
+     {
+       int len = strlen (m32c_register_names[u]);
+
+       if (memcmp (m32c_register_names[u], s, len) == 0
+	   && (s[len] == 0 || ! ISALNUM (s[len])))
+        return 1;
+     }
+   return 0;
+}
+
+#define PARSE_UNSIGNED							\
+  do									\
+    {									\
+      /* Don't successfully parse literals beginning with '['.  */	\
+      if (**strp == '[')						\
+	return "Invalid literal"; /* Anything -- will not be seen.  */	\
+									\
+      errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value);\
+      if (errmsg)							\
+	return errmsg;							\
+    }									\
+  while (0)
+
+#define PARSE_SIGNED							\
+  do									\
+    {									\
+      /* Don't successfully parse literals beginning with '['.  */	\
+      if (**strp == '[')						\
+	return "Invalid literal"; /* Anything -- will not be seen.  */	\
+									\
+      errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);  \
+      if (errmsg)							\
+	return errmsg;							\
+    }									\
+  while (0)
+
+static const char *
+parse_unsigned6 (CGEN_CPU_DESC cd, const char **strp,
+		 int opindex, unsigned long *valuep)
+{
+  const char *errmsg = 0;
+  unsigned long value;
+
+  PARSE_UNSIGNED;
+
+  if (value > 0x3f)
+    return _("imm:6 immediate is out of range");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_unsigned8 (CGEN_CPU_DESC cd, const char **strp,
+		 int opindex, unsigned long *valuep)
+{
+  const char *errmsg = 0;
+  unsigned long value;
+  long have_zero = 0;
+
+  if (strncasecmp (*strp, "%dsp8(", 6) == 0)
+    {
+      enum cgen_parse_operand_result result_type;
+      bfd_vma value;
+      const char *errmsg;
+
+      *strp += 6;
+      errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_8,
+				   & result_type, & value);
+      if (**strp != ')')
+	return _("missing `)'");
+      (*strp) ++;
+
+      if (errmsg == NULL
+  	  && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+	{
+	  return _("%dsp8() takes a symbolic address, not a number");
+	}
+      *valuep = value;
+      return errmsg;
+    }
+
+  if (strncmp (*strp, "0x0", 3) == 0 
+      || (**strp == '0' && *(*strp + 1) != 'x'))
+    have_zero = 1;
+
+  PARSE_UNSIGNED;
+
+  if (value > 0xff)
+    return _("dsp:8 immediate is out of range");
+
+  /* If this field may require a relocation then use larger dsp16.  */
+  if (! have_zero && value == 0)
+    return _("dsp:8 immediate is out of range");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_signed4 (CGEN_CPU_DESC cd, const char **strp,
+	       int opindex, signed long *valuep)
+{
+  const char *errmsg = 0;
+  signed long value;
+  long have_zero = 0;
+
+  if (strncmp (*strp, "0x0", 3) == 0 
+      || (**strp == '0' && *(*strp + 1) != 'x'))
+    have_zero = 1;
+
+  PARSE_SIGNED;
+
+  if (value < -8 || value > 7)
+    return _("Immediate is out of range -8 to 7");
+
+  /* If this field may require a relocation then use larger dsp16.  */
+  if (! have_zero && value == 0)
+    return _("Immediate is out of range -8 to 7");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_signed4n (CGEN_CPU_DESC cd, const char **strp,
+		int opindex, signed long *valuep)
+{
+  const char *errmsg = 0;
+  signed long value;
+  long have_zero = 0;
+
+  if (strncmp (*strp, "0x0", 3) == 0 
+      || (**strp == '0' && *(*strp + 1) != 'x'))
+    have_zero = 1;
+
+  PARSE_SIGNED;
+
+  if (value < -7 || value > 8)
+    return _("Immediate is out of range -7 to 8");
+
+  /* If this field may require a relocation then use larger dsp16.  */
+  if (! have_zero && value == 0)
+    return _("Immediate is out of range -7 to 8");
+
+  *valuep = -value;
+  return 0;
+}
+
+static const char *
+parse_signed8 (CGEN_CPU_DESC cd, const char **strp,
+	       int opindex, signed long *valuep)
+{
+  const char *errmsg = 0;
+  signed long value;
+
+  if (strncasecmp (*strp, "%hi8(", 5) == 0)
+    {
+      enum cgen_parse_operand_result result_type;
+      bfd_vma value;
+      const char *errmsg;
+
+      *strp += 5;
+      errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32C_HI8,
+				   & result_type, & value);
+      if (**strp != ')')
+	return _("missing `)'");
+      (*strp) ++;
+
+      if (errmsg == NULL
+  	  && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+	{
+	  value >>= 16;
+	}
+      *valuep = value;
+      return errmsg;
+    }
+
+  PARSE_SIGNED;
+
+  if (value <= 255 && value > 127)
+    value -= 0x100;
+
+  if (value < -128 || value > 127)
+    return _("dsp:8 immediate is out of range");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_unsigned16 (CGEN_CPU_DESC cd, const char **strp,
+		 int opindex, unsigned long *valuep)
+{
+  const char *errmsg = 0;
+  unsigned long value;
+  long have_zero = 0;
+
+  if (strncasecmp (*strp, "%dsp16(", 7) == 0)
+    {
+      enum cgen_parse_operand_result result_type;
+      bfd_vma value;
+      const char *errmsg;
+
+      *strp += 7;
+      errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_16,
+				   & result_type, & value);
+      if (**strp != ')')
+	return _("missing `)'");
+      (*strp) ++;
+
+      if (errmsg == NULL
+  	  && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+	{
+	  return _("%dsp16() takes a symbolic address, not a number");
+	}
+      *valuep = value;
+      return errmsg;
+    }
+
+  /* Don't successfully parse literals beginning with '['.  */
+  if (**strp == '[')
+    return "Invalid literal"; /* Anything -- will not be seen.  */
+
+  /* Don't successfully parse register names.  */
+  if (m32c_cgen_isa_register (strp))
+    return "Invalid literal"; /* Anything -- will not be seen.  */
+
+  if (strncmp (*strp, "0x0", 3) == 0 
+      || (**strp == '0' && *(*strp + 1) != 'x'))
+    have_zero = 1;
+  
+  errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value);
+  if (errmsg)
+    return errmsg;
+
+  if (value > 0xffff)
+    return _("dsp:16 immediate is out of range");
+
+  /* If this field may require a relocation then use larger dsp24.  */
+  if (cd->machs == MACH_M32C && ! have_zero && value == 0
+      && (strncmp (*strp, "[a", 2) == 0
+	  || **strp == ','
+	  || **strp == 0))
+    return _("dsp:16 immediate is out of range");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_signed16 (CGEN_CPU_DESC cd, const char **strp,
+	       int opindex, signed long *valuep)
+{
+  const char *errmsg = 0;
+  signed long value;
+
+  if (strncasecmp (*strp, "%lo16(", 6) == 0)
+    {
+      enum cgen_parse_operand_result result_type;
+      bfd_vma value;
+      const char *errmsg;
+
+      *strp += 6;
+      errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16,
+				   & result_type, & value);
+      if (**strp != ')')
+	return _("missing `)'");
+      (*strp) ++;
+
+      if (errmsg == NULL
+  	  && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+	{
+	  value &= 0xffff;
+	}
+      *valuep = value;
+      return errmsg;
+    }
+
+  if (strncasecmp (*strp, "%hi16(", 6) == 0)
+    {
+      enum cgen_parse_operand_result result_type;
+      bfd_vma value;
+      const char *errmsg;
+
+      *strp += 6;
+      errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16,
+				   & result_type, & value);
+      if (**strp != ')')
+	return _("missing `)'");
+      (*strp) ++;
+
+      if (errmsg == NULL
+  	  && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+	{
+	  value >>= 16;
+	}
+      *valuep = value;
+      return errmsg;
+    }
+
+  PARSE_SIGNED;
+
+  if (value <= 65535 && value > 32767)
+    value -= 0x10000;
+
+  if (value < -32768 || value > 32767)
+    return _("dsp:16 immediate is out of range");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_unsigned20 (CGEN_CPU_DESC cd, const char **strp,
+		 int opindex, unsigned long *valuep)
+{
+  const char *errmsg = 0;
+  unsigned long value;
+  
+  /* Don't successfully parse literals beginning with '['.  */
+  if (**strp == '[')
+    return "Invalid literal"; /* Anything -- will not be seen.  */
+
+  /* Don't successfully parse register names.  */
+  if (m32c_cgen_isa_register (strp))
+    return "Invalid literal"; /* Anything -- will not be seen.  */
+
+  errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value);
+  if (errmsg)
+    return errmsg;
+
+  if (value > 0xfffff)
+    return _("dsp:20 immediate is out of range");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_unsigned24 (CGEN_CPU_DESC cd, const char **strp,
+		 int opindex, unsigned long *valuep)
+{
+  const char *errmsg = 0;
+  unsigned long value;
+  
+  /* Don't successfully parse literals beginning with '['.  */
+  if (**strp == '[')
+    return "Invalid literal"; /* Anything -- will not be seen.  */
+
+  /* Don't successfully parse register names.  */
+  if (m32c_cgen_isa_register (strp))
+    return "Invalid literal"; /* Anything -- will not be seen.  */
+
+  errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value);
+  if (errmsg)
+    return errmsg;
+
+  if (value > 0xffffff)
+    return _("dsp:24 immediate is out of range");
+
+  *valuep = value;
+  return 0;
+}
+
+/* This should only be used for #imm->reg.  */
+static const char *
+parse_signed24 (CGEN_CPU_DESC cd, const char **strp,
+		 int opindex, signed long *valuep)
+{
+  const char *errmsg = 0;
+  signed long value;
+
+  PARSE_SIGNED;
+
+  if (value <= 0xffffff && value > 0x7fffff)
+    value -= 0x1000000;
+
+  if (value > 0xffffff)
+    return _("dsp:24 immediate is out of range");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_signed32 (CGEN_CPU_DESC cd, const char **strp,
+		int opindex, signed long *valuep)
+{
+  const char *errmsg = 0;
+  signed long value;
+  
+  errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
+  if (errmsg)
+    return errmsg;
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_imm1_S (CGEN_CPU_DESC cd, const char **strp,
+	     int opindex, signed long *valuep)
+{
+  const char *errmsg = 0;
+  signed long value;
+
+  errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
+  if (errmsg)
+    return errmsg;
+
+  if (value < 1 || value > 2)
+    return _("immediate is out of range 1-2");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_imm3_S (CGEN_CPU_DESC cd, const char **strp,
+	     int opindex, signed long *valuep)
+{
+  const char *errmsg = 0;
+  signed long value;
+  
+  errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
+  if (errmsg)
+    return errmsg;
+
+  if (value < 1 || value > 8)
+    return _("immediate is out of range 1-8");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_bit3_S (CGEN_CPU_DESC cd, const char **strp,
+	     int opindex, signed long *valuep)
+{
+  const char *errmsg = 0;
+  signed long value;
+  
+  errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
+  if (errmsg)
+    return errmsg;
+
+  if (value < 0 || value > 7)
+    return _("immediate is out of range 0-7");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_lab_5_3 (CGEN_CPU_DESC cd,
+	       const char **strp,
+	       int opindex ATTRIBUTE_UNUSED,
+	       int opinfo,
+	       enum cgen_parse_operand_result *type_addr,
+	       bfd_vma *valuep)
+{
+  const char *errmsg = 0;
+  bfd_vma value;
+  enum cgen_parse_operand_result op_res;
+
+  errmsg = cgen_parse_address (cd, strp, M32C_OPERAND_LAB_5_3,
+			       opinfo, & op_res, & value);
+
+  if (type_addr)
+    *type_addr = op_res;
+
+  if (op_res == CGEN_PARSE_OPERAND_ADDRESS)
+    {
+      /* This is a hack; the field cannot handle near-zero signed
+	 offsets that CGEN wants to put in to indicate an "empty"
+	 operand at first.  */
+      *valuep = 2;
+      return 0;
+    }
+  if (errmsg)
+    return errmsg;
+
+  if (value < 2 || value > 9)
+    return _("immediate is out of range 2-9");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_Bitno16R (CGEN_CPU_DESC cd, const char **strp,
+		int opindex, unsigned long *valuep)
+{
+  const char *errmsg = 0;
+  unsigned long value;
+
+  errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value);
+  if (errmsg)
+    return errmsg;
+
+  if (value > 15)
+    return _("Bit number for indexing general register is out of range 0-15");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_unsigned_bitbase (CGEN_CPU_DESC cd, const char **strp,
+			int opindex, unsigned long *valuep,
+			unsigned bits, int allow_syms)
+{
+  const char *errmsg = 0;
+  unsigned long bit;
+  unsigned long base;
+  const char *newp = *strp;
+  unsigned long long bitbase;
+  long have_zero = 0;
+
+  errmsg = cgen_parse_unsigned_integer (cd, & newp, opindex, & bit);
+  if (errmsg)
+    return errmsg;
+
+  if (*newp != ',')
+    return "Missing base for bit,base:8";
+
+  ++newp;
+
+  if (strncmp (newp, "0x0", 3) == 0 
+      || (newp[0] == '0' && newp[1] != 'x'))
+    have_zero = 1;
+
+  errmsg = cgen_parse_unsigned_integer (cd, & newp, opindex, & base);
+  if (errmsg)
+    return errmsg;
+
+  bitbase = (unsigned long long) bit + ((unsigned long long) base * 8);
+
+  if (bitbase >= (1ull << bits))
+    return _("bit,base is out of range");
+
+  /* If this field may require a relocation then use larger displacement.  */
+  if (! have_zero && base == 0)
+    {
+      switch (allow_syms) {
+      case 0:
+	return _("bit,base out of range for symbol");
+      case 1:
+	break;
+      case 2:
+	if (strncmp (newp, "[sb]", 4) != 0)
+	  return _("bit,base out of range for symbol");
+	break;
+      }
+    }
+
+  *valuep = bitbase;
+  *strp = newp;
+  return 0;
+}
+
+static const char *
+parse_signed_bitbase (CGEN_CPU_DESC cd, const char **strp,
+		      int opindex, signed long *valuep,
+		      unsigned bits, int allow_syms)
+{
+  const char *errmsg = 0;
+  unsigned long bit;
+  signed long base;
+  const char *newp = *strp;
+  long long bitbase;
+  long long limit;
+  long have_zero = 0;
+
+  errmsg = cgen_parse_unsigned_integer (cd, & newp, opindex, & bit);
+  if (errmsg)
+    return errmsg;
+
+  if (*newp != ',')
+    return "Missing base for bit,base:8";
+
+  ++newp;
+
+  if (strncmp (newp, "0x0", 3) == 0 
+      || (newp[0] == '0' && newp[1] != 'x'))
+    have_zero = 1;
+
+  errmsg = cgen_parse_signed_integer (cd, & newp, opindex, & base);
+  if (errmsg)
+    return errmsg;
+
+  bitbase = (long long)bit + ((long long)base * 8);
+
+  limit = 1ll << (bits - 1);
+  if (bitbase < -limit || bitbase >= limit)
+    return _("bit,base is out of range");
+
+  /* If this field may require a relocation then use larger displacement.  */
+  if (! have_zero && base == 0 && ! allow_syms)
+    return _("bit,base out of range for symbol");
+
+  *valuep = bitbase;
+  *strp = newp;
+  return 0;
+}
+
+static const char *
+parse_unsigned_bitbase8 (CGEN_CPU_DESC cd, const char **strp,
+			 int opindex, unsigned long *valuep)
+{
+  return parse_unsigned_bitbase (cd, strp, opindex, valuep, 8, 0);
+}
+
+static const char *
+parse_unsigned_bitbase11 (CGEN_CPU_DESC cd, const char **strp,
+			 int opindex, unsigned long *valuep)
+{
+  return parse_unsigned_bitbase (cd, strp, opindex, valuep, 11, 0);
+}
+
+static const char *
+parse_unsigned_bitbase16 (CGEN_CPU_DESC cd, const char **strp,
+			  int opindex, unsigned long *valuep)
+{
+  return parse_unsigned_bitbase (cd, strp, opindex, valuep, 16, 1);
+}
+
+static const char *
+parse_unsigned_bitbase19 (CGEN_CPU_DESC cd, const char **strp,
+			 int opindex, unsigned long *valuep)
+{
+  return parse_unsigned_bitbase (cd, strp, opindex, valuep, 19, 2);
+}
+
+static const char *
+parse_unsigned_bitbase27 (CGEN_CPU_DESC cd, const char **strp,
+			 int opindex, unsigned long *valuep)
+{
+  return parse_unsigned_bitbase (cd, strp, opindex, valuep, 27, 1);
+}
+
+static const char *
+parse_signed_bitbase8 (CGEN_CPU_DESC cd, const char **strp,
+		       int opindex, signed long *valuep)
+{
+  return parse_signed_bitbase (cd, strp, opindex, valuep, 8, 1);
+}
+
+static const char *
+parse_signed_bitbase11 (CGEN_CPU_DESC cd, const char **strp,
+		       int opindex, signed long *valuep)
+{
+  return parse_signed_bitbase (cd, strp, opindex, valuep, 11, 0);
+}
+
+static const char *
+parse_signed_bitbase19 (CGEN_CPU_DESC cd, const char **strp,
+		       int opindex, signed long *valuep)
+{
+  return parse_signed_bitbase (cd, strp, opindex, valuep, 19, 1);
+}
+
+/* Parse the suffix as :<char> or as nothing followed by a whitespace.  */
+
+static const char *
+parse_suffix (const char **strp, char suffix)
+{
+  const char *newp = *strp;
+  
+  if (**strp == ':' && TOLOWER (*(*strp + 1)) == suffix)
+    newp = *strp + 2;
+
+  if (ISSPACE (*newp))
+    {
+      *strp = newp;
+      return 0;
+    }
+	
+  return "Invalid suffix"; /* Anything -- will not be seen.  */
+}
+
+static const char *
+parse_S (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp,
+	 int opindex ATTRIBUTE_UNUSED, signed long *valuep ATTRIBUTE_UNUSED)
+{
+  return parse_suffix (strp, 's');
+}
+
+static const char *
+parse_G (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp,
+	 int opindex ATTRIBUTE_UNUSED, signed long *valuep ATTRIBUTE_UNUSED)
+{
+  return parse_suffix (strp, 'g');
+}
+
+static const char *
+parse_Q (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp,
+	 int opindex ATTRIBUTE_UNUSED, signed long *valuep ATTRIBUTE_UNUSED)
+{
+  return parse_suffix (strp, 'q');
+}
+
+static const char *
+parse_Z (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp,
+	 int opindex ATTRIBUTE_UNUSED, signed long *valuep ATTRIBUTE_UNUSED)
+{
+  return parse_suffix (strp, 'z');
+}
+
+/* Parse an empty suffix. Fail if the next char is ':'.  */
+
+static const char *
+parse_X (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp,
+	 int opindex ATTRIBUTE_UNUSED, signed long *valuep ATTRIBUTE_UNUSED)
+{
+  if (**strp == ':')
+    return "Unexpected suffix";
+  return 0;
+}
+
+static const char *
+parse_r0l_r0h (CGEN_CPU_DESC cd, const char **strp,
+	       int opindex ATTRIBUTE_UNUSED, signed long *valuep)
+{
+  const char *errmsg;
+  signed long value;
+  signed long junk;
+  const char *newp = *strp;
+
+  /* Parse r0[hl].  */
+  errmsg = cgen_parse_keyword (cd, & newp, & m32c_cgen_opval_h_r0l_r0h, & value);
+  if (errmsg)
+    return errmsg;
+
+  if (*newp != ',')
+    return _("not a valid r0l/r0h pair");
+  ++newp;
+
+  /* Parse the second register in the pair.  */
+  if (value == 0) /* r0l */
+    errmsg = cgen_parse_keyword (cd, & newp, & m32c_cgen_opval_h_r0h, & junk);
+  else
+    errmsg = cgen_parse_keyword (cd, & newp, & m32c_cgen_opval_h_r0l, & junk);
+  if (errmsg)
+    return errmsg;
+
+  *strp = newp;
+  *valuep = ! value;
+  return 0;
+}
+
+/* Accept .b or .w in any case.  */
+
+static const char *
+parse_size (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp,
+	    int opindex ATTRIBUTE_UNUSED, signed long *valuep ATTRIBUTE_UNUSED)
+{
+  if (**strp == '.'
+      && (*(*strp + 1) == 'b' || *(*strp + 1) == 'B'
+	  || *(*strp + 1) == 'w' || *(*strp + 1) == 'W'))
+    {
+      *strp += 2;
+      return NULL;
+    }
+
+  return _("Invalid size specifier");
+}
+
+/* Special check to ensure that instruction exists for given machine.  */
+
+int
+m32c_cgen_insn_supported (CGEN_CPU_DESC cd,
+			  const CGEN_INSN *insn)
+{
+  int machs = CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_MACH);
+  CGEN_BITSET isas = CGEN_INSN_BITSET_ATTR_VALUE (insn, CGEN_INSN_ISA);
+
+  /* If attributes are absent, assume no restriction.  */
+  if (machs == 0)
+    machs = ~0;
+
+  return ((machs & cd->machs)
+          && cgen_bitset_intersect_p (& isas, cd->isas));
+}
+
+/* Parse a set of registers, R0,R1,A0,A1,SB,FB.  */
+
+static const char *
+parse_regset (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
+	      const char **strp,
+	      int opindex ATTRIBUTE_UNUSED,
+	      unsigned long *valuep,
+	      int push)
+{
+  const char *errmsg = 0;
+  int regno = 0;
+ 
+  *valuep = 0;
+  while (**strp && **strp != ')')
+    {
+      if (**strp == 'r' || **strp == 'R')
+	{
+	  ++*strp;
+	  regno = **strp - '0';
+	  if (regno > 4)
+	    errmsg = _("Register number is not valid");
+	}
+      else if (**strp == 'a' || **strp == 'A')
+	{
+	  ++*strp;
+	  regno = **strp - '0';
+	  if (regno > 2)
+	    errmsg = _("Register number is not valid");
+	  regno = **strp - '0' + 4;
+	}
+      
+      else if (strncasecmp (*strp, "sb", 2) == 0 || strncasecmp (*strp, "SB", 2) == 0)
+	{
+	  regno = 6;
+	  ++*strp;
+	}
+      
+      else if (strncasecmp (*strp, "fb", 2) == 0 || strncasecmp (*strp, "FB", 2) == 0)
+	{
+	  regno = 7;
+	  ++*strp;
+	}
+      
+      if (push) /* Mask is reversed for push.  */
+	*valuep |= 0x80 >> regno;
+      else
+	*valuep |= 1 << regno;
+
+      ++*strp;
+      if (**strp == ',')
+        {
+          if (*(*strp + 1) == ')')
+            break;
+          ++*strp;
+        }
+    }
+
+  if (!*strp)
+    errmsg = _("Register list is not valid");
+
+  return errmsg;
+}
+
+#define POP  0
+#define PUSH 1
+
+static const char *
+parse_pop_regset (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
+		  const char **strp,
+		  int opindex ATTRIBUTE_UNUSED,
+		  unsigned long *valuep)
+{
+  return parse_regset (cd, strp, opindex, valuep, POP);
+}
+
+static const char *
+parse_push_regset (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
+		   const char **strp,
+		   int opindex ATTRIBUTE_UNUSED,
+		   unsigned long *valuep)
+{
+  return parse_regset (cd, strp, opindex, valuep, PUSH);
+}
+
+/* -- dis.c */
+
+const char * m32c_cgen_parse_operand
+  (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
+
+/* Main entry point for operand parsing.
+
+   This function is basically just a big switch statement.  Earlier versions
+   used tables to look up the function to use, but
+   - if the table contains both assembler and disassembler functions then
+     the disassembler contains much of the assembler and vice-versa,
+   - there's a lot of inlining possibilities as things grow,
+   - using a switch statement avoids the function call overhead.
+
+   This function could be moved into `parse_insn_normal', but keeping it
+   separate makes clear the interface between `parse_insn_normal' and each of
+   the handlers.  */
+
+const char *
+m32c_cgen_parse_operand (CGEN_CPU_DESC cd,
+			   int opindex,
+			   const char ** strp,
+			   CGEN_FIELDS * fields)
+{
+  const char * errmsg = NULL;
+  /* Used by scalar operands that still need to be parsed.  */
+  long junk ATTRIBUTE_UNUSED;
+
+  switch (opindex)
+    {
+    case M32C_OPERAND_A0 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_a0, & junk);
+      break;
+    case M32C_OPERAND_A1 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_a1, & junk);
+      break;
+    case M32C_OPERAND_AN16_PUSH_S :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_HI, & fields->f_4_1);
+      break;
+    case M32C_OPERAND_BIT16AN :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_dst16_an);
+      break;
+    case M32C_OPERAND_BIT16RN :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_HI, & fields->f_dst16_rn);
+      break;
+    case M32C_OPERAND_BIT3_S :
+      errmsg = parse_bit3_S (cd, strp, M32C_OPERAND_BIT3_S, (long *) (& fields->f_imm3_S));
+      break;
+    case M32C_OPERAND_BIT32ANPREFIXED :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_dst32_an_prefixed);
+      break;
+    case M32C_OPERAND_BIT32ANUNPREFIXED :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_dst32_an_unprefixed);
+      break;
+    case M32C_OPERAND_BIT32RNPREFIXED :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_QI, & fields->f_dst32_rn_prefixed_QI);
+      break;
+    case M32C_OPERAND_BIT32RNUNPREFIXED :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_QI, & fields->f_dst32_rn_unprefixed_QI);
+      break;
+    case M32C_OPERAND_BITBASE16_16_S8 :
+      errmsg = parse_signed_bitbase8 (cd, strp, M32C_OPERAND_BITBASE16_16_S8, (long *) (& fields->f_dsp_16_s8));
+      break;
+    case M32C_OPERAND_BITBASE16_16_U16 :
+      errmsg = parse_unsigned_bitbase16 (cd, strp, M32C_OPERAND_BITBASE16_16_U16, (unsigned long *) (& fields->f_dsp_16_u16));
+      break;
+    case M32C_OPERAND_BITBASE16_16_U8 :
+      errmsg = parse_unsigned_bitbase8 (cd, strp, M32C_OPERAND_BITBASE16_16_U8, (unsigned long *) (& fields->f_dsp_16_u8));
+      break;
+    case M32C_OPERAND_BITBASE16_8_U11_S :
+      errmsg = parse_unsigned_bitbase11 (cd, strp, M32C_OPERAND_BITBASE16_8_U11_S, (unsigned long *) (& fields->f_bitbase16_u11_S));
+      break;
+    case M32C_OPERAND_BITBASE32_16_S11_UNPREFIXED :
+      errmsg = parse_signed_bitbase11 (cd, strp, M32C_OPERAND_BITBASE32_16_S11_UNPREFIXED, (long *) (& fields->f_bitbase32_16_s11_unprefixed));
+      break;
+    case M32C_OPERAND_BITBASE32_16_S19_UNPREFIXED :
+      errmsg = parse_signed_bitbase19 (cd, strp, M32C_OPERAND_BITBASE32_16_S19_UNPREFIXED, (long *) (& fields->f_bitbase32_16_s19_unprefixed));
+      break;
+    case M32C_OPERAND_BITBASE32_16_U11_UNPREFIXED :
+      errmsg = parse_unsigned_bitbase11 (cd, strp, M32C_OPERAND_BITBASE32_16_U11_UNPREFIXED, (unsigned long *) (& fields->f_bitbase32_16_u11_unprefixed));
+      break;
+    case M32C_OPERAND_BITBASE32_16_U19_UNPREFIXED :
+      errmsg = parse_unsigned_bitbase19 (cd, strp, M32C_OPERAND_BITBASE32_16_U19_UNPREFIXED, (unsigned long *) (& fields->f_bitbase32_16_u19_unprefixed));
+      break;
+    case M32C_OPERAND_BITBASE32_16_U27_UNPREFIXED :
+      errmsg = parse_unsigned_bitbase27 (cd, strp, M32C_OPERAND_BITBASE32_16_U27_UNPREFIXED, (unsigned long *) (& fields->f_bitbase32_16_u27_unprefixed));
+      break;
+    case M32C_OPERAND_BITBASE32_24_S11_PREFIXED :
+      errmsg = parse_signed_bitbase11 (cd, strp, M32C_OPERAND_BITBASE32_24_S11_PREFIXED, (long *) (& fields->f_bitbase32_24_s11_prefixed));
+      break;
+    case M32C_OPERAND_BITBASE32_24_S19_PREFIXED :
+      errmsg = parse_signed_bitbase19 (cd, strp, M32C_OPERAND_BITBASE32_24_S19_PREFIXED, (long *) (& fields->f_bitbase32_24_s19_prefixed));
+      break;
+    case M32C_OPERAND_BITBASE32_24_U11_PREFIXED :
+      errmsg = parse_unsigned_bitbase11 (cd, strp, M32C_OPERAND_BITBASE32_24_U11_PREFIXED, (unsigned long *) (& fields->f_bitbase32_24_u11_prefixed));
+      break;
+    case M32C_OPERAND_BITBASE32_24_U19_PREFIXED :
+      errmsg = parse_unsigned_bitbase19 (cd, strp, M32C_OPERAND_BITBASE32_24_U19_PREFIXED, (unsigned long *) (& fields->f_bitbase32_24_u19_prefixed));
+      break;
+    case M32C_OPERAND_BITBASE32_24_U27_PREFIXED :
+      errmsg = parse_unsigned_bitbase27 (cd, strp, M32C_OPERAND_BITBASE32_24_U27_PREFIXED, (unsigned long *) (& fields->f_bitbase32_24_u27_prefixed));
+      break;
+    case M32C_OPERAND_BITNO16R :
+      errmsg = parse_Bitno16R (cd, strp, M32C_OPERAND_BITNO16R, (unsigned long *) (& fields->f_dsp_16_u8));
+      break;
+    case M32C_OPERAND_BITNO32PREFIXED :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, M32C_OPERAND_BITNO32PREFIXED, (unsigned long *) (& fields->f_bitno32_prefixed));
+      break;
+    case M32C_OPERAND_BITNO32UNPREFIXED :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, M32C_OPERAND_BITNO32UNPREFIXED, (unsigned long *) (& fields->f_bitno32_unprefixed));
+      break;
+    case M32C_OPERAND_DSP_10_U6 :
+      errmsg = parse_unsigned6 (cd, strp, M32C_OPERAND_DSP_10_U6, (unsigned long *) (& fields->f_dsp_10_u6));
+      break;
+    case M32C_OPERAND_DSP_16_S16 :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_DSP_16_S16, (long *) (& fields->f_dsp_16_s16));
+      break;
+    case M32C_OPERAND_DSP_16_S8 :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_DSP_16_S8, (long *) (& fields->f_dsp_16_s8));
+      break;
+    case M32C_OPERAND_DSP_16_U16 :
+      errmsg = parse_unsigned16 (cd, strp, M32C_OPERAND_DSP_16_U16, (unsigned long *) (& fields->f_dsp_16_u16));
+      break;
+    case M32C_OPERAND_DSP_16_U20 :
+      errmsg = parse_unsigned20 (cd, strp, M32C_OPERAND_DSP_16_U20, (unsigned long *) (& fields->f_dsp_16_u24));
+      break;
+    case M32C_OPERAND_DSP_16_U24 :
+      errmsg = parse_unsigned24 (cd, strp, M32C_OPERAND_DSP_16_U24, (unsigned long *) (& fields->f_dsp_16_u24));
+      break;
+    case M32C_OPERAND_DSP_16_U8 :
+      errmsg = parse_unsigned8 (cd, strp, M32C_OPERAND_DSP_16_U8, (unsigned long *) (& fields->f_dsp_16_u8));
+      break;
+    case M32C_OPERAND_DSP_24_S16 :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_DSP_24_S16, (long *) (& fields->f_dsp_24_s16));
+      break;
+    case M32C_OPERAND_DSP_24_S8 :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_DSP_24_S8, (long *) (& fields->f_dsp_24_s8));
+      break;
+    case M32C_OPERAND_DSP_24_U16 :
+      errmsg = parse_unsigned16 (cd, strp, M32C_OPERAND_DSP_24_U16, (unsigned long *) (& fields->f_dsp_24_u16));
+      break;
+    case M32C_OPERAND_DSP_24_U20 :
+      errmsg = parse_unsigned20 (cd, strp, M32C_OPERAND_DSP_24_U20, (unsigned long *) (& fields->f_dsp_24_u24));
+      break;
+    case M32C_OPERAND_DSP_24_U24 :
+      errmsg = parse_unsigned24 (cd, strp, M32C_OPERAND_DSP_24_U24, (unsigned long *) (& fields->f_dsp_24_u24));
+      break;
+    case M32C_OPERAND_DSP_24_U8 :
+      errmsg = parse_unsigned8 (cd, strp, M32C_OPERAND_DSP_24_U8, (unsigned long *) (& fields->f_dsp_24_u8));
+      break;
+    case M32C_OPERAND_DSP_32_S16 :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_DSP_32_S16, (long *) (& fields->f_dsp_32_s16));
+      break;
+    case M32C_OPERAND_DSP_32_S8 :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_DSP_32_S8, (long *) (& fields->f_dsp_32_s8));
+      break;
+    case M32C_OPERAND_DSP_32_U16 :
+      errmsg = parse_unsigned16 (cd, strp, M32C_OPERAND_DSP_32_U16, (unsigned long *) (& fields->f_dsp_32_u16));
+      break;
+    case M32C_OPERAND_DSP_32_U20 :
+      errmsg = parse_unsigned20 (cd, strp, M32C_OPERAND_DSP_32_U20, (unsigned long *) (& fields->f_dsp_32_u24));
+      break;
+    case M32C_OPERAND_DSP_32_U24 :
+      errmsg = parse_unsigned24 (cd, strp, M32C_OPERAND_DSP_32_U24, (unsigned long *) (& fields->f_dsp_32_u24));
+      break;
+    case M32C_OPERAND_DSP_32_U8 :
+      errmsg = parse_unsigned8 (cd, strp, M32C_OPERAND_DSP_32_U8, (unsigned long *) (& fields->f_dsp_32_u8));
+      break;
+    case M32C_OPERAND_DSP_40_S16 :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_DSP_40_S16, (long *) (& fields->f_dsp_40_s16));
+      break;
+    case M32C_OPERAND_DSP_40_S8 :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_DSP_40_S8, (long *) (& fields->f_dsp_40_s8));
+      break;
+    case M32C_OPERAND_DSP_40_U16 :
+      errmsg = parse_unsigned16 (cd, strp, M32C_OPERAND_DSP_40_U16, (unsigned long *) (& fields->f_dsp_40_u16));
+      break;
+    case M32C_OPERAND_DSP_40_U24 :
+      errmsg = parse_unsigned24 (cd, strp, M32C_OPERAND_DSP_40_U24, (unsigned long *) (& fields->f_dsp_40_u24));
+      break;
+    case M32C_OPERAND_DSP_40_U8 :
+      errmsg = parse_unsigned8 (cd, strp, M32C_OPERAND_DSP_40_U8, (unsigned long *) (& fields->f_dsp_40_u8));
+      break;
+    case M32C_OPERAND_DSP_48_S16 :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_DSP_48_S16, (long *) (& fields->f_dsp_48_s16));
+      break;
+    case M32C_OPERAND_DSP_48_S8 :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_DSP_48_S8, (long *) (& fields->f_dsp_48_s8));
+      break;
+    case M32C_OPERAND_DSP_48_U16 :
+      errmsg = parse_unsigned16 (cd, strp, M32C_OPERAND_DSP_48_U16, (unsigned long *) (& fields->f_dsp_48_u16));
+      break;
+    case M32C_OPERAND_DSP_48_U24 :
+      errmsg = parse_unsigned24 (cd, strp, M32C_OPERAND_DSP_48_U24, (unsigned long *) (& fields->f_dsp_48_u24));
+      break;
+    case M32C_OPERAND_DSP_48_U8 :
+      errmsg = parse_unsigned8 (cd, strp, M32C_OPERAND_DSP_48_U8, (unsigned long *) (& fields->f_dsp_48_u8));
+      break;
+    case M32C_OPERAND_DSP_8_S24 :
+      errmsg = parse_signed24 (cd, strp, M32C_OPERAND_DSP_8_S24, (long *) (& fields->f_dsp_8_s24));
+      break;
+    case M32C_OPERAND_DSP_8_S8 :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_DSP_8_S8, (long *) (& fields->f_dsp_8_s8));
+      break;
+    case M32C_OPERAND_DSP_8_U16 :
+      errmsg = parse_unsigned16 (cd, strp, M32C_OPERAND_DSP_8_U16, (unsigned long *) (& fields->f_dsp_8_u16));
+      break;
+    case M32C_OPERAND_DSP_8_U24 :
+      errmsg = parse_unsigned24 (cd, strp, M32C_OPERAND_DSP_8_U24, (unsigned long *) (& fields->f_dsp_8_u24));
+      break;
+    case M32C_OPERAND_DSP_8_U6 :
+      errmsg = parse_unsigned6 (cd, strp, M32C_OPERAND_DSP_8_U6, (unsigned long *) (& fields->f_dsp_8_u6));
+      break;
+    case M32C_OPERAND_DSP_8_U8 :
+      errmsg = parse_unsigned8 (cd, strp, M32C_OPERAND_DSP_8_U8, (unsigned long *) (& fields->f_dsp_8_u8));
+      break;
+    case M32C_OPERAND_DST16AN :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_dst16_an);
+      break;
+    case M32C_OPERAND_DST16AN_S :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_HI, & fields->f_dst16_an_s);
+      break;
+    case M32C_OPERAND_DST16ANHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_HI, & fields->f_dst16_an);
+      break;
+    case M32C_OPERAND_DST16ANQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_QI, & fields->f_dst16_an);
+      break;
+    case M32C_OPERAND_DST16ANQI_S :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_QI, & fields->f_dst16_rn_QI_s);
+      break;
+    case M32C_OPERAND_DST16ANSI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_SI, & fields->f_dst16_an);
+      break;
+    case M32C_OPERAND_DST16RNEXTQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_ext_QI, & fields->f_dst16_rn_ext);
+      break;
+    case M32C_OPERAND_DST16RNHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_HI, & fields->f_dst16_rn);
+      break;
+    case M32C_OPERAND_DST16RNQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_QI, & fields->f_dst16_rn);
+      break;
+    case M32C_OPERAND_DST16RNQI_S :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_r0l_r0h, & fields->f_dst16_rn_QI_s);
+      break;
+    case M32C_OPERAND_DST16RNSI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_SI, & fields->f_dst16_rn);
+      break;
+    case M32C_OPERAND_DST32ANEXTUNPREFIXED :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_dst32_an_unprefixed);
+      break;
+    case M32C_OPERAND_DST32ANPREFIXED :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_dst32_an_prefixed);
+      break;
+    case M32C_OPERAND_DST32ANPREFIXEDHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_HI, & fields->f_dst32_an_prefixed);
+      break;
+    case M32C_OPERAND_DST32ANPREFIXEDQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_QI, & fields->f_dst32_an_prefixed);
+      break;
+    case M32C_OPERAND_DST32ANPREFIXEDSI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_dst32_an_prefixed);
+      break;
+    case M32C_OPERAND_DST32ANUNPREFIXED :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_dst32_an_unprefixed);
+      break;
+    case M32C_OPERAND_DST32ANUNPREFIXEDHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_HI, & fields->f_dst32_an_unprefixed);
+      break;
+    case M32C_OPERAND_DST32ANUNPREFIXEDQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_QI, & fields->f_dst32_an_unprefixed);
+      break;
+    case M32C_OPERAND_DST32ANUNPREFIXEDSI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_dst32_an_unprefixed);
+      break;
+    case M32C_OPERAND_DST32R0HI_S :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_r0, & junk);
+      break;
+    case M32C_OPERAND_DST32R0QI_S :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_r0l, & junk);
+      break;
+    case M32C_OPERAND_DST32RNEXTUNPREFIXEDHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_ext_HI, & fields->f_dst32_rn_ext_unprefixed);
+      break;
+    case M32C_OPERAND_DST32RNEXTUNPREFIXEDQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_ext_QI, & fields->f_dst32_rn_ext_unprefixed);
+      break;
+    case M32C_OPERAND_DST32RNPREFIXEDHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_HI, & fields->f_dst32_rn_prefixed_HI);
+      break;
+    case M32C_OPERAND_DST32RNPREFIXEDQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_QI, & fields->f_dst32_rn_prefixed_QI);
+      break;
+    case M32C_OPERAND_DST32RNPREFIXEDSI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_SI, & fields->f_dst32_rn_prefixed_SI);
+      break;
+    case M32C_OPERAND_DST32RNUNPREFIXEDHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_HI, & fields->f_dst32_rn_unprefixed_HI);
+      break;
+    case M32C_OPERAND_DST32RNUNPREFIXEDQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_QI, & fields->f_dst32_rn_unprefixed_QI);
+      break;
+    case M32C_OPERAND_DST32RNUNPREFIXEDSI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_SI, & fields->f_dst32_rn_unprefixed_SI);
+      break;
+    case M32C_OPERAND_G :
+      errmsg = parse_G (cd, strp, M32C_OPERAND_G, (long *) (& junk));
+      break;
+    case M32C_OPERAND_IMM_12_S4 :
+      errmsg = parse_signed4 (cd, strp, M32C_OPERAND_IMM_12_S4, (long *) (& fields->f_imm_12_s4));
+      break;
+    case M32C_OPERAND_IMM_12_S4N :
+      errmsg = parse_signed4n (cd, strp, M32C_OPERAND_IMM_12_S4N, (long *) (& fields->f_imm_12_s4));
+      break;
+    case M32C_OPERAND_IMM_13_U3 :
+      errmsg = parse_signed4 (cd, strp, M32C_OPERAND_IMM_13_U3, (long *) (& fields->f_imm_13_u3));
+      break;
+    case M32C_OPERAND_IMM_16_HI :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_IMM_16_HI, (long *) (& fields->f_dsp_16_s16));
+      break;
+    case M32C_OPERAND_IMM_16_QI :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_IMM_16_QI, (long *) (& fields->f_dsp_16_s8));
+      break;
+    case M32C_OPERAND_IMM_16_SI :
+      errmsg = parse_signed32 (cd, strp, M32C_OPERAND_IMM_16_SI, (long *) (& fields->f_dsp_16_s32));
+      break;
+    case M32C_OPERAND_IMM_20_S4 :
+      errmsg = parse_signed4 (cd, strp, M32C_OPERAND_IMM_20_S4, (long *) (& fields->f_imm_20_s4));
+      break;
+    case M32C_OPERAND_IMM_24_HI :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_IMM_24_HI, (long *) (& fields->f_dsp_24_s16));
+      break;
+    case M32C_OPERAND_IMM_24_QI :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_IMM_24_QI, (long *) (& fields->f_dsp_24_s8));
+      break;
+    case M32C_OPERAND_IMM_24_SI :
+      errmsg = parse_signed32 (cd, strp, M32C_OPERAND_IMM_24_SI, (long *) (& fields->f_dsp_24_s32));
+      break;
+    case M32C_OPERAND_IMM_32_HI :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_IMM_32_HI, (long *) (& fields->f_dsp_32_s16));
+      break;
+    case M32C_OPERAND_IMM_32_QI :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_IMM_32_QI, (long *) (& fields->f_dsp_32_s8));
+      break;
+    case M32C_OPERAND_IMM_32_SI :
+      errmsg = parse_signed32 (cd, strp, M32C_OPERAND_IMM_32_SI, (long *) (& fields->f_dsp_32_s32));
+      break;
+    case M32C_OPERAND_IMM_40_HI :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_IMM_40_HI, (long *) (& fields->f_dsp_40_s16));
+      break;
+    case M32C_OPERAND_IMM_40_QI :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_IMM_40_QI, (long *) (& fields->f_dsp_40_s8));
+      break;
+    case M32C_OPERAND_IMM_40_SI :
+      errmsg = parse_signed32 (cd, strp, M32C_OPERAND_IMM_40_SI, (long *) (& fields->f_dsp_40_s32));
+      break;
+    case M32C_OPERAND_IMM_48_HI :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_IMM_48_HI, (long *) (& fields->f_dsp_48_s16));
+      break;
+    case M32C_OPERAND_IMM_48_QI :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_IMM_48_QI, (long *) (& fields->f_dsp_48_s8));
+      break;
+    case M32C_OPERAND_IMM_48_SI :
+      errmsg = parse_signed32 (cd, strp, M32C_OPERAND_IMM_48_SI, (long *) (& fields->f_dsp_48_s32));
+      break;
+    case M32C_OPERAND_IMM_56_HI :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_IMM_56_HI, (long *) (& fields->f_dsp_56_s16));
+      break;
+    case M32C_OPERAND_IMM_56_QI :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_IMM_56_QI, (long *) (& fields->f_dsp_56_s8));
+      break;
+    case M32C_OPERAND_IMM_64_HI :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_IMM_64_HI, (long *) (& fields->f_dsp_64_s16));
+      break;
+    case M32C_OPERAND_IMM_8_HI :
+      errmsg = parse_signed16 (cd, strp, M32C_OPERAND_IMM_8_HI, (long *) (& fields->f_dsp_8_s16));
+      break;
+    case M32C_OPERAND_IMM_8_QI :
+      errmsg = parse_signed8 (cd, strp, M32C_OPERAND_IMM_8_QI, (long *) (& fields->f_dsp_8_s8));
+      break;
+    case M32C_OPERAND_IMM_8_S4 :
+      errmsg = parse_signed4 (cd, strp, M32C_OPERAND_IMM_8_S4, (long *) (& fields->f_imm_8_s4));
+      break;
+    case M32C_OPERAND_IMM_8_S4N :
+      errmsg = parse_signed4n (cd, strp, M32C_OPERAND_IMM_8_S4N, (long *) (& fields->f_imm_8_s4));
+      break;
+    case M32C_OPERAND_IMM_SH_12_S4 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_shimm, & fields->f_imm_12_s4);
+      break;
+    case M32C_OPERAND_IMM_SH_20_S4 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_shimm, & fields->f_imm_20_s4);
+      break;
+    case M32C_OPERAND_IMM_SH_8_S4 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_shimm, & fields->f_imm_8_s4);
+      break;
+    case M32C_OPERAND_IMM1_S :
+      errmsg = parse_imm1_S (cd, strp, M32C_OPERAND_IMM1_S, (long *) (& fields->f_imm1_S));
+      break;
+    case M32C_OPERAND_IMM3_S :
+      errmsg = parse_imm3_S (cd, strp, M32C_OPERAND_IMM3_S, (long *) (& fields->f_imm3_S));
+      break;
+    case M32C_OPERAND_LAB_16_8 :
+      {
+        bfd_vma value = 0;
+        errmsg = cgen_parse_address (cd, strp, M32C_OPERAND_LAB_16_8, 0, NULL,  & value);
+        fields->f_lab_16_8 = value;
+      }
+      break;
+    case M32C_OPERAND_LAB_24_8 :
+      {
+        bfd_vma value = 0;
+        errmsg = cgen_parse_address (cd, strp, M32C_OPERAND_LAB_24_8, 0, NULL,  & value);
+        fields->f_lab_24_8 = value;
+      }
+      break;
+    case M32C_OPERAND_LAB_32_8 :
+      {
+        bfd_vma value = 0;
+        errmsg = cgen_parse_address (cd, strp, M32C_OPERAND_LAB_32_8, 0, NULL,  & value);
+        fields->f_lab_32_8 = value;
+      }
+      break;
+    case M32C_OPERAND_LAB_40_8 :
+      {
+        bfd_vma value = 0;
+        errmsg = cgen_parse_address (cd, strp, M32C_OPERAND_LAB_40_8, 0, NULL,  & value);
+        fields->f_lab_40_8 = value;
+      }
+      break;
+    case M32C_OPERAND_LAB_5_3 :
+      {
+        bfd_vma value = 0;
+        errmsg = parse_lab_5_3 (cd, strp, M32C_OPERAND_LAB_5_3, 0, NULL,  & value);
+        fields->f_lab_5_3 = value;
+      }
+      break;
+    case M32C_OPERAND_LAB_8_16 :
+      {
+        bfd_vma value = 0;
+        errmsg = cgen_parse_address (cd, strp, M32C_OPERAND_LAB_8_16, 0, NULL,  & value);
+        fields->f_lab_8_16 = value;
+      }
+      break;
+    case M32C_OPERAND_LAB_8_24 :
+      {
+        bfd_vma value = 0;
+        errmsg = cgen_parse_address (cd, strp, M32C_OPERAND_LAB_8_24, 0, NULL,  & value);
+        fields->f_lab_8_24 = value;
+      }
+      break;
+    case M32C_OPERAND_LAB_8_8 :
+      {
+        bfd_vma value = 0;
+        errmsg = cgen_parse_address (cd, strp, M32C_OPERAND_LAB_8_8, 0, NULL,  & value);
+        fields->f_lab_8_8 = value;
+      }
+      break;
+    case M32C_OPERAND_LAB32_JMP_S :
+      {
+        bfd_vma value = 0;
+        errmsg = parse_lab_5_3 (cd, strp, M32C_OPERAND_LAB32_JMP_S, 0, NULL,  & value);
+        fields->f_lab32_jmp_s = value;
+      }
+      break;
+    case M32C_OPERAND_Q :
+      errmsg = parse_Q (cd, strp, M32C_OPERAND_Q, (long *) (& junk));
+      break;
+    case M32C_OPERAND_R0 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_r0, & junk);
+      break;
+    case M32C_OPERAND_R0H :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_r0h, & junk);
+      break;
+    case M32C_OPERAND_R0L :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_r0l, & junk);
+      break;
+    case M32C_OPERAND_R1 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_r1, & junk);
+      break;
+    case M32C_OPERAND_R1R2R0 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_r1r2r0, & junk);
+      break;
+    case M32C_OPERAND_R2 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_r2, & junk);
+      break;
+    case M32C_OPERAND_R2R0 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_r2r0, & junk);
+      break;
+    case M32C_OPERAND_R3 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_r3, & junk);
+      break;
+    case M32C_OPERAND_R3R1 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_r3r1, & junk);
+      break;
+    case M32C_OPERAND_REGSETPOP :
+      errmsg = parse_pop_regset (cd, strp, M32C_OPERAND_REGSETPOP, (unsigned long *) (& fields->f_8_8));
+      break;
+    case M32C_OPERAND_REGSETPUSH :
+      errmsg = parse_push_regset (cd, strp, M32C_OPERAND_REGSETPUSH, (unsigned long *) (& fields->f_8_8));
+      break;
+    case M32C_OPERAND_RN16_PUSH_S :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_QI, & fields->f_4_1);
+      break;
+    case M32C_OPERAND_S :
+      errmsg = parse_S (cd, strp, M32C_OPERAND_S, (long *) (& junk));
+      break;
+    case M32C_OPERAND_SRC16AN :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_src16_an);
+      break;
+    case M32C_OPERAND_SRC16ANHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_HI, & fields->f_src16_an);
+      break;
+    case M32C_OPERAND_SRC16ANQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_QI, & fields->f_src16_an);
+      break;
+    case M32C_OPERAND_SRC16RNHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_HI, & fields->f_src16_rn);
+      break;
+    case M32C_OPERAND_SRC16RNQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_QI, & fields->f_src16_rn);
+      break;
+    case M32C_OPERAND_SRC32ANPREFIXED :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_src32_an_prefixed);
+      break;
+    case M32C_OPERAND_SRC32ANPREFIXEDHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_HI, & fields->f_src32_an_prefixed);
+      break;
+    case M32C_OPERAND_SRC32ANPREFIXEDQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_QI, & fields->f_src32_an_prefixed);
+      break;
+    case M32C_OPERAND_SRC32ANPREFIXEDSI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_src32_an_prefixed);
+      break;
+    case M32C_OPERAND_SRC32ANUNPREFIXED :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_src32_an_unprefixed);
+      break;
+    case M32C_OPERAND_SRC32ANUNPREFIXEDHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_HI, & fields->f_src32_an_unprefixed);
+      break;
+    case M32C_OPERAND_SRC32ANUNPREFIXEDQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar_QI, & fields->f_src32_an_unprefixed);
+      break;
+    case M32C_OPERAND_SRC32ANUNPREFIXEDSI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_ar, & fields->f_src32_an_unprefixed);
+      break;
+    case M32C_OPERAND_SRC32RNPREFIXEDHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_HI, & fields->f_src32_rn_prefixed_HI);
+      break;
+    case M32C_OPERAND_SRC32RNPREFIXEDQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_QI, & fields->f_src32_rn_prefixed_QI);
+      break;
+    case M32C_OPERAND_SRC32RNPREFIXEDSI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_SI, & fields->f_src32_rn_prefixed_SI);
+      break;
+    case M32C_OPERAND_SRC32RNUNPREFIXEDHI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_HI, & fields->f_src32_rn_unprefixed_HI);
+      break;
+    case M32C_OPERAND_SRC32RNUNPREFIXEDQI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_QI, & fields->f_src32_rn_unprefixed_QI);
+      break;
+    case M32C_OPERAND_SRC32RNUNPREFIXEDSI :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_gr_SI, & fields->f_src32_rn_unprefixed_SI);
+      break;
+    case M32C_OPERAND_SRCDST16_R0L_R0H_S_NORMAL :
+      errmsg = parse_r0l_r0h (cd, strp, M32C_OPERAND_SRCDST16_R0L_R0H_S_NORMAL, (long *) (& fields->f_5_1));
+      break;
+    case M32C_OPERAND_X :
+      errmsg = parse_X (cd, strp, M32C_OPERAND_X, (long *) (& junk));
+      break;
+    case M32C_OPERAND_Z :
+      errmsg = parse_Z (cd, strp, M32C_OPERAND_Z, (long *) (& junk));
+      break;
+    case M32C_OPERAND_COND16_16 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond16, & fields->f_dsp_16_u8);
+      break;
+    case M32C_OPERAND_COND16_24 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond16, & fields->f_dsp_24_u8);
+      break;
+    case M32C_OPERAND_COND16_32 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond16, & fields->f_dsp_32_u8);
+      break;
+    case M32C_OPERAND_COND16C :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond16c, & fields->f_cond16);
+      break;
+    case M32C_OPERAND_COND16J :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond16j, & fields->f_cond16);
+      break;
+    case M32C_OPERAND_COND16J5 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond16j_5, & fields->f_cond16j_5);
+      break;
+    case M32C_OPERAND_COND32 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond32, & fields->f_cond32);
+      break;
+    case M32C_OPERAND_COND32_16 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond32, & fields->f_dsp_16_u8);
+      break;
+    case M32C_OPERAND_COND32_24 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond32, & fields->f_dsp_24_u8);
+      break;
+    case M32C_OPERAND_COND32_32 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond32, & fields->f_dsp_32_u8);
+      break;
+    case M32C_OPERAND_COND32_40 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond32, & fields->f_dsp_40_u8);
+      break;
+    case M32C_OPERAND_COND32J :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond32, & fields->f_cond32j);
+      break;
+    case M32C_OPERAND_CR1_PREFIXED_32 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cr1_32, & fields->f_21_3);
+      break;
+    case M32C_OPERAND_CR1_UNPREFIXED_32 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cr1_32, & fields->f_13_3);
+      break;
+    case M32C_OPERAND_CR16 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cr_16, & fields->f_9_3);
+      break;
+    case M32C_OPERAND_CR2_32 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cr2_32, & fields->f_13_3);
+      break;
+    case M32C_OPERAND_CR3_PREFIXED_32 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cr3_32, & fields->f_21_3);
+      break;
+    case M32C_OPERAND_CR3_UNPREFIXED_32 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cr3_32, & fields->f_13_3);
+      break;
+    case M32C_OPERAND_FLAGS16 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_flags, & fields->f_9_3);
+      break;
+    case M32C_OPERAND_FLAGS32 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_flags, & fields->f_13_3);
+      break;
+    case M32C_OPERAND_SCCOND32 :
+      errmsg = cgen_parse_keyword (cd, strp, & m32c_cgen_opval_h_cond32, & fields->f_cond16);
+      break;
+    case M32C_OPERAND_SIZE :
+      errmsg = parse_size (cd, strp, M32C_OPERAND_SIZE, (long *) (& junk));
+      break;
+
+    default :
+      /* xgettext:c-format */
+      fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
+      abort ();
+  }
+
+  return errmsg;
+}
+
+cgen_parse_fn * const m32c_cgen_parse_handlers[] = 
+{
+  parse_insn_normal,
+};
+
+void
+m32c_cgen_init_asm (CGEN_CPU_DESC cd)
+{
+  m32c_cgen_init_opcode_table (cd);
+  m32c_cgen_init_ibld_table (cd);
+  cd->parse_handlers = & m32c_cgen_parse_handlers[0];
+  cd->parse_operand = m32c_cgen_parse_operand;
+}
+
+
+
+/* Regex construction routine.
+
+   This translates an opcode syntax string into a regex string,
+   by replacing any non-character syntax element (such as an
+   opcode) with the pattern '.*'
+
+   It then compiles the regex and stores it in the opcode, for
+   later use by m32c_cgen_assemble_insn
+
+   Returns NULL for success, an error message for failure.  */
+
+char * 
+m32c_cgen_build_insn_regex (CGEN_INSN *insn)
+{  
+  CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn);
+  const char *mnem = CGEN_INSN_MNEMONIC (insn);
+  char rxbuf[CGEN_MAX_RX_ELEMENTS];
+  char *rx = rxbuf;
+  const CGEN_SYNTAX_CHAR_TYPE *syn;
+  int reg_err;
+
+  syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc));
+
+  /* Mnemonics come first in the syntax string.  */
+  if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
+    return _("missing mnemonic in syntax string");
+  ++syn;
+
+  /* Generate a case sensitive regular expression that emulates case
+     insensitive matching in the "C" locale.  We cannot generate a case
+     insensitive regular expression because in Turkish locales, 'i' and 'I'
+     are not equal modulo case conversion.  */
+
+  /* Copy the literal mnemonic out of the insn.  */
+  for (; *mnem; mnem++)
+    {
+      char c = *mnem;
+
+      if (ISALPHA (c))
+	{
+	  *rx++ = '[';
+	  *rx++ = TOLOWER (c);
+	  *rx++ = TOUPPER (c);
+	  *rx++ = ']';
+	}
+      else
+	*rx++ = c;
+    }
+
+  /* Copy any remaining literals from the syntax string into the rx.  */
+  for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn)
+    {
+      if (CGEN_SYNTAX_CHAR_P (* syn)) 
+	{
+	  char c = CGEN_SYNTAX_CHAR (* syn);
+
+	  switch (c) 
+	    {
+	      /* Escape any regex metacharacters in the syntax.  */
+	    case '.': case '[': case '\\': 
+	    case '*': case '^': case '$': 
+
+#ifdef CGEN_ESCAPE_EXTENDED_REGEX
+	    case '?': case '{': case '}': 
+	    case '(': case ')': case '*':
+	    case '|': case '+': case ']':
+#endif
+	      *rx++ = '\\';
+	      *rx++ = c;
+	      break;
+
+	    default:
+	      if (ISALPHA (c))
+		{
+		  *rx++ = '[';
+		  *rx++ = TOLOWER (c);
+		  *rx++ = TOUPPER (c);
+		  *rx++ = ']';
+		}
+	      else
+		*rx++ = c;
+	      break;
+	    }
+	}
+      else
+	{
+	  /* Replace non-syntax fields with globs.  */
+	  *rx++ = '.';
+	  *rx++ = '*';
+	}
+    }
+
+  /* Trailing whitespace ok.  */
+  * rx++ = '['; 
+  * rx++ = ' '; 
+  * rx++ = '\t'; 
+  * rx++ = ']'; 
+  * rx++ = '*'; 
+
+  /* But anchor it after that.  */
+  * rx++ = '$'; 
+  * rx = '\0';
+
+  CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t));
+  reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB);
+
+  if (reg_err == 0) 
+    return NULL;
+  else
+    {
+      static char msg[80];
+
+      regerror (reg_err, (regex_t *) CGEN_INSN_RX (insn), msg, 80);
+      regfree ((regex_t *) CGEN_INSN_RX (insn));
+      free (CGEN_INSN_RX (insn));
+      (CGEN_INSN_RX (insn)) = NULL;
+      return msg;
+    }
+}
+
+
+/* Default insn parser.
+
+   The syntax string is scanned and operands are parsed and stored in FIELDS.
+   Relocs are queued as we go via other callbacks.
+
+   ??? Note that this is currently an all-or-nothing parser.  If we fail to
+   parse the instruction, we return 0 and the caller will start over from
+   the beginning.  Backtracking will be necessary in parsing subexpressions,
+   but that can be handled there.  Not handling backtracking here may get
+   expensive in the case of the m68k.  Deal with later.
+
+   Returns NULL for success, an error message for failure.  */
+
+static const char *
+parse_insn_normal (CGEN_CPU_DESC cd,
+		   const CGEN_INSN *insn,
+		   const char **strp,
+		   CGEN_FIELDS *fields)
+{
+  /* ??? Runtime added insns not handled yet.  */
+  const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
+  const char *str = *strp;
+  const char *errmsg;
+  const char *p;
+  const CGEN_SYNTAX_CHAR_TYPE * syn;
+#ifdef CGEN_MNEMONIC_OPERANDS
+  /* FIXME: wip */
+  int past_opcode_p;
+#endif
+
+  /* For now we assume the mnemonic is first (there are no leading operands).
+     We can parse it without needing to set up operand parsing.
+     GAS's input scrubber will ensure mnemonics are lowercase, but we may
+     not be called from GAS.  */
+  p = CGEN_INSN_MNEMONIC (insn);
+  while (*p && TOLOWER (*p) == TOLOWER (*str))
+    ++p, ++str;
+
+  if (* p)
+    return _("unrecognized instruction");
+
+#ifndef CGEN_MNEMONIC_OPERANDS
+  if (* str && ! ISSPACE (* str))
+    return _("unrecognized instruction");
+#endif
+
+  CGEN_INIT_PARSE (cd);
+  cgen_init_parse_operand (cd);
+#ifdef CGEN_MNEMONIC_OPERANDS
+  past_opcode_p = 0;
+#endif
+
+  /* We don't check for (*str != '\0') here because we want to parse
+     any trailing fake arguments in the syntax string.  */
+  syn = CGEN_SYNTAX_STRING (syntax);
+
+  /* Mnemonics come first for now, ensure valid string.  */
+  if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
+    abort ();
+
+  ++syn;
+
+  while (* syn != 0)
+    {
+      /* Non operand chars must match exactly.  */
+      if (CGEN_SYNTAX_CHAR_P (* syn))
+	{
+	  /* FIXME: While we allow for non-GAS callers above, we assume the
+	     first char after the mnemonic part is a space.  */
+	  /* FIXME: We also take inappropriate advantage of the fact that
+	     GAS's input scrubber will remove extraneous blanks.  */
+	  if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn)))
+	    {
+#ifdef CGEN_MNEMONIC_OPERANDS
+	      if (CGEN_SYNTAX_CHAR(* syn) == ' ')
+		past_opcode_p = 1;
+#endif
+	      ++ syn;
+	      ++ str;
+	    }
+	  else if (*str)
+	    {
+	      /* Syntax char didn't match.  Can't be this insn.  */
+	      static char msg [80];
+
+	      /* xgettext:c-format */
+	      sprintf (msg, _("syntax error (expected char `%c', found `%c')"),
+		       CGEN_SYNTAX_CHAR(*syn), *str);
+	      return msg;
+	    }
+	  else
+	    {
+	      /* Ran out of input.  */
+	      static char msg [80];
+
+	      /* xgettext:c-format */
+	      sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"),
+		       CGEN_SYNTAX_CHAR(*syn));
+	      return msg;
+	    }
+	  continue;
+	}
+
+      /* We have an operand of some sort.  */
+      errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn),
+					  &str, fields);
+      if (errmsg)
+	return errmsg;
+
+      /* Done with this operand, continue with next one.  */
+      ++ syn;
+    }
+
+  /* If we're at the end of the syntax string, we're done.  */
+  if (* syn == 0)
+    {
+      /* FIXME: For the moment we assume a valid `str' can only contain
+	 blanks now.  IE: We needn't try again with a longer version of
+	 the insn and it is assumed that longer versions of insns appear
+	 before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3).  */
+      while (ISSPACE (* str))
+	++ str;
+
+      if (* str != '\0')
+	return _("junk at end of line"); /* FIXME: would like to include `str' */
+
+      return NULL;
+    }
+
+  /* We couldn't parse it.  */
+  return _("unrecognized instruction");
+}
+
+/* Main entry point.
+   This routine is called for each instruction to be assembled.
+   STR points to the insn to be assembled.
+   We assume all necessary tables have been initialized.
+   The assembled instruction, less any fixups, is stored in BUF.
+   Remember that if CGEN_INT_INSN_P then BUF is an int and thus the value
+   still needs to be converted to target byte order, otherwise BUF is an array
+   of bytes in target byte order.
+   The result is a pointer to the insn's entry in the opcode table,
+   or NULL if an error occured (an error message will have already been
+   printed).
+
+   Note that when processing (non-alias) macro-insns,
+   this function recurses.
+
+   ??? It's possible to make this cpu-independent.
+   One would have to deal with a few minor things.
+   At this point in time doing so would be more of a curiosity than useful
+   [for example this file isn't _that_ big], but keeping the possibility in
+   mind helps keep the design clean.  */
+
+const CGEN_INSN *
+m32c_cgen_assemble_insn (CGEN_CPU_DESC cd,
+			   const char *str,
+			   CGEN_FIELDS *fields,
+			   CGEN_INSN_BYTES_PTR buf,
+			   char **errmsg)
+{
+  const char *start;
+  CGEN_INSN_LIST *ilist;
+  const char *parse_errmsg = NULL;
+  const char *insert_errmsg = NULL;
+  int recognized_mnemonic = 0;
+
+  /* Skip leading white space.  */
+  while (ISSPACE (* str))
+    ++ str;
+
+  /* The instructions are stored in hashed lists.
+     Get the first in the list.  */
+  ilist = CGEN_ASM_LOOKUP_INSN (cd, str);
+
+  /* Keep looking until we find a match.  */
+  start = str;
+  for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist))
+    {
+      const CGEN_INSN *insn = ilist->insn;
+      recognized_mnemonic = 1;
+
+#ifdef CGEN_VALIDATE_INSN_SUPPORTED 
+      /* Not usually needed as unsupported opcodes
+	 shouldn't be in the hash lists.  */
+      /* Is this insn supported by the selected cpu?  */
+      if (! m32c_cgen_insn_supported (cd, insn))
+	continue;
+#endif
+      /* If the RELAXED attribute is set, this is an insn that shouldn't be
+	 chosen immediately.  Instead, it is used during assembler/linker
+	 relaxation if possible.  */
+      if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0)
+	continue;
+
+      str = start;
+
+      /* Skip this insn if str doesn't look right lexically.  */
+      if (CGEN_INSN_RX (insn) != NULL &&
+	  regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH)
+	continue;
+
+      /* Allow parse/insert handlers to obtain length of insn.  */
+      CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
+
+      parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields);
+      if (parse_errmsg != NULL)
+	continue;
+
+      /* ??? 0 is passed for `pc'.  */
+      insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf,
+						 (bfd_vma) 0);
+      if (insert_errmsg != NULL)
+        continue;
+
+      /* It is up to the caller to actually output the insn and any
+         queued relocs.  */
+      return insn;
+    }
+
+  {
+    static char errbuf[150];
+#ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS
+    const char *tmp_errmsg;
+
+    /* If requesting verbose error messages, use insert_errmsg.
+       Failing that, use parse_errmsg.  */
+    tmp_errmsg = (insert_errmsg ? insert_errmsg :
+		  parse_errmsg ? parse_errmsg :
+		  recognized_mnemonic ?
+		  _("unrecognized form of instruction") :
+		  _("unrecognized instruction"));
+
+    if (strlen (start) > 50)
+      /* xgettext:c-format */
+      sprintf (errbuf, "%s `%.50s...'", tmp_errmsg, start);
+    else 
+      /* xgettext:c-format */
+      sprintf (errbuf, "%s `%.50s'", tmp_errmsg, start);
+#else
+    if (strlen (start) > 50)
+      /* xgettext:c-format */
+      sprintf (errbuf, _("bad instruction `%.50s...'"), start);
+    else 
+      /* xgettext:c-format */
+      sprintf (errbuf, _("bad instruction `%.50s'"), start);
+#endif
+      
+    *errmsg = errbuf;
+    return NULL;
+  }
+}