diff --git a/gas/ChangeLog b/gas/ChangeLog
index af8ad921f1..47b54f18cc 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,11 @@
 Mon Dec 15 15:20:32 1997  Nick Clifton  <nickc@cygnus.com>
 
+	* doc/all.texi: Add M32R cpu.
+
+	* doc/as.texinfo: Add documentation of m32r processor.
+
+	* doc/c-m32r.texi: New file, documenting m32r specific features.  
+
 	* config/tc-m32r.c (allow_m32rx): New function.
 	(enable_m32rx): New variable.
 	(md_pseudo_table): Added .m32r and .m32rx pseudo ops
diff --git a/gas/doc/all.texi b/gas/doc/all.texi
index 666fbdebf6..2638dbc042 100644
--- a/gas/doc/all.texi
+++ b/gas/doc/all.texi
@@ -35,15 +35,14 @@
 @set I80386
 @set I960
 @set MIPS
+@set M32R
 @set M680X0
 @set Z8000
 @set SPARC
 @set VAX
 @set VXWORKS
 @set HPPA
-@c start-sanitize-v850
 @set V850
-@c end-sanitize-v850
 
 @c Does this version of the assembler use the difference-table kluge?
 @set DIFF-TBL-KLUGE
diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo
index 81331b6646..8432f55a82 100644
--- a/gas/doc/as.texinfo
+++ b/gas/doc/as.texinfo
@@ -230,7 +230,7 @@ Here is a brief summary of how to invoke @code{@value{AS}}.  For details,
 @c The order here is important.  See c-sparc.texi.
  [ -Av6 | -Av7 | -Av8 | -Asparclet | -Asparclite
    -Av8plus | -Av8plusa | -Av9 | -Av9a ]
- [ -xarch=v8plus | -xarch=v8plusa ] [ -bump ]
+ [ -xarch=v8plus | -xarch=v8plusa ] [ -bump ] [ -32 | -64 ]
 @end ifset
 @ifset Z8000
 @c Z8000 has no machine-dependent assembler options
@@ -240,6 +240,9 @@ Here is a brief summary of how to invoke @code{@value{AS}}.  For details,
  [ -ACA | -ACA_A | -ACB | -ACC | -AKA | -AKB | -AKC | -AMC ]
  [ -b ] [ -no-relax ]
 @end ifset
+@ifset M32R
+ [ --m32rx ]
+@end ifset
 @ifset M680X0
  [ -l ] [ -m68000 | -m68010 | -m68020 | ... ]
 @end ifset
@@ -423,6 +426,19 @@ error if necessary.
 @end table
 @end ifset
 
+@ifset M32R
+The following options are available when @value{AS} is configured for the
+Mitsubishi M32R series.
+
+@table @code
+
+@item --m32rx
+Specify which processor in the M32R family is the target.  The default
+is normally the M32R, but this option changes it to the M32RX.
+
+@end table
+@end ifset
+
 @ifset M680X0
 The following options are available when @value{AS} is configured for the
 Motorola 68000 series.
@@ -1441,6 +1457,9 @@ is considered a comment and is ignored.  The line comment character is
 @ifset SPARC
 @samp{!} on the SPARC;
 @end ifset
+@ifset M32R
+@samp{#} on the m32r;
+@end ifset
 @ifset M680X0
 @samp{|} on the 680x0;
 @end ifset
@@ -1450,11 +1469,9 @@ is considered a comment and is ignored.  The line comment character is
 @ifset Z8000
 @samp{!} for the Z8000;
 @end ifset
-@c start-sanitize-v850
 @ifset V850
 @samp{#} on the V850;
 @end ifset
-@c end-sanitize-v850
 see @ref{Machine Dependencies}.  @refill
 @c FIXME What about i386, m88k, i860?
 
@@ -1464,14 +1481,12 @@ character only begins a comment if it is the first non-whitespace character on
 a line, while the other always begins a comment.
 @end ifset
 
-@c start-sanitize-v850
 @ifset V850
 The V850 assembler also supports a double dash as starting a comment that
 extends to the end of the line.
 
 @samp{--};
 @end ifset
-@c end-sanitize-v850
 
 @kindex #
 @cindex lines starting with @code{#}
@@ -4666,6 +4681,9 @@ subject, see the hardware manufacturer's manual.
 @ifset I960
 * i960-Dependent::              Intel 80960 Dependent Features
 @end ifset
+@ifset M32R
+* M32R-Dependent::              M32R Dependent Features
+@end ifset
 @ifset M680X0
 * M68K-Dependent::              M680x0 Dependent Features
 @end ifset
@@ -4828,6 +4846,10 @@ family.
 @include c-i960.texi
 @end ifset
 
+@ifset M32R
+@include c-m32r.texi
+@end ifset
+
 @ifset M680X0
 @include c-m68k.texi
 @end ifset
@@ -4856,11 +4878,9 @@ family.
 @include c-vax.texi
 @end ifset
 
-@c start-sanitize-v850
 @ifset V850
 @include c-v850.texi
 @end ifset
-@c end-sanitize-v850
 
 @ifset GENERIC
 @c reverse effect of @down at top of generic Machine-Dep chapter
diff --git a/gas/doc/c-m32r.texi b/gas/doc/c-m32r.texi
new file mode 100644
index 0000000000..55ed269ee8
--- /dev/null
+++ b/gas/doc/c-m32r.texi
@@ -0,0 +1,37 @@
+@c Copyright (C) 1991, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
+@c This is part of the GAS manual.
+@c For copying conditions, see the file as.texinfo.
+@ifset GENERIC
+@page
+@node M32R-Dependent
+@chapter M32R Dependent Features
+@end ifset
+@ifclear GENERIC
+@node Machine Dependencies
+@chapter M32R Dependent Features
+@end ifclear
+
+@cindex M32R support
+@menu
+* M32R-Opts::                   M32R Options
+@end menu
+
+@node M32R-Opts
+@section M32R Options
+
+@cindex options, M32R
+@cindex M32R options
+The Mitsubishi M32R version of @code{@value{AS}} has a few machine
+dependent options.
+
+@cindex @samp{--m32rx} option, M32R
+@cindex architecture options, M32R
+@cindex M32R architecture options
+@code{@value{AS}} can assemble code for several different members of the
+Mitsubishi M32R family.  Normally the default is to assemble code for
+the M32R microprocessor.  This option may be used to change the default
+to the M32RX microprocessor, which adds some more instructions to the
+basic M32R instruction set.
+
+
+