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Add -no-bitinst switch for M32R2

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This commit is contained in:
Nick Clifton 2004-02-27 14:13:18 +00:00
parent 7887817579
commit bd337dde66
3 changed files with 28 additions and 4 deletions
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9
gas/ChangeLog
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@ -1,3 +1,12 @@
2004-02-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
* config/tc-m32r.c (md_longopts): Added -no-bitinst option.
(md_parse_option): Ditto.
(OPTION_NO_SPECIAL_M32R): Added.
(md_show_usage): Document it.
(enable_speial_m32r): Changed a default value from 0 to 1.
* doc/c-m32r.texi: Document the -no-bitinst option.
2004-02-27 Nick Clifton <nickc@redhat.com>
* config/tc-sh.c (get_operand): Revert previous delta.

14
gas/config/tc-m32r.c
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@ -1,5 +1,5 @@
/* tc-m32r.c -- Assembler for the Renesas M32R.
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@ -109,7 +109,7 @@ static int enable_special = 0;
/* Non-zero if -bitinst has been specified, in which case support
for extended M32R bit-field instruction set should be enabled. */
static int enable_special_m32r = 0;
static int enable_special_m32r = 1;
/* Non-zero if -float has been specified, in which case support for
extended M32R floating point instruction set should be enabled. */
@ -216,7 +216,8 @@ struct option md_longopts[] =
#define OPTION_NO_IGNORE_PARALLEL (OPTION_IGNORE_PARALLEL + 1)
#define OPTION_SPECIAL (OPTION_NO_IGNORE_PARALLEL + 1)
#define OPTION_SPECIAL_M32R (OPTION_SPECIAL + 1)
#define OPTION_SPECIAL_FLOAT (OPTION_SPECIAL_M32R + 1)
#define OPTION_NO_SPECIAL_M32R (OPTION_SPECIAL_M32R + 1)
#define OPTION_SPECIAL_FLOAT (OPTION_NO_SPECIAL_M32R + 1)
#define OPTION_WARN_UNMATCHED (OPTION_SPECIAL_FLOAT + 1)
#define OPTION_NO_WARN_UNMATCHED (OPTION_WARN_UNMATCHED + 1)
{"m32r", no_argument, NULL, OPTION_M32R},
@ -238,6 +239,7 @@ struct option md_longopts[] =
{"nIp", no_argument, NULL, OPTION_NO_IGNORE_PARALLEL},
{"hidden", no_argument, NULL, OPTION_SPECIAL},
{"bitinst", no_argument, NULL, OPTION_SPECIAL_M32R},
{"no-bitinst", no_argument, NULL, OPTION_NO_SPECIAL_M32R},
{"float", no_argument, NULL, OPTION_SPECIAL_FLOAT},
/* Sigh. I guess all warnings must now have both variants. */
{"warn-unmatched-high", no_argument, NULL, OPTION_WARN_UNMATCHED},
@ -353,6 +355,10 @@ md_parse_option (c, arg)
enable_special_m32r = 1;
break;
case OPTION_NO_SPECIAL_M32R:
enable_special_m32r = 0;
break;
case OPTION_SPECIAL_FLOAT:
enable_special_float = 1;
break;
@ -410,6 +416,8 @@ md_show_usage (stream)
fprintf (stream, _("\
-no-parallel disable -parallel\n"));
fprintf (stream, _("\
-no-bitinst disallow the M32R2's extended bit-field instructions\n"));
fprintf (stream, _("\
-O try to optimize code. Implies -parallel\n"));
fprintf (stream, _("\

9
gas/doc/c-m32r.texi
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@ -1,4 +1,5 @@
@c Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2003
@c Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000,
@c 2003, 2004
@c Free Software Foundation, Inc.
@c This is part of the GAS manual.
@c For copying conditions, see the file as.texinfo.
@ -91,6 +92,12 @@ do so.
@cindex @code{-no-parallel} option, M32RX
This option disables a previously enabled @emph{-parallel} option.
@item -no-bitinst
@cindex @samp{-no-bitinst}, M32R2
This option disables the support for the extended bit-field
instructions provided by the M32R2. If this support needs to be
re-enabled the @emph{-bitinst} switch can be used to restore it.
@item -O
@cindex @code{-O} option, M32RX
This option tells the assembler to attempt to optimize the