toplev.c: Add -dM command line option to dump RTL after the machine dependent...

        * toplev.c: Add -dM command line option to dump RTL after the
        machine dependent reorganisation pass, if there is one.
        Reorganise RTL dump code, so that only one file handle is
        needed.

From-SVN: r17494

gcc/ChangeLog

+Fri Jan 23 09:39:36 1998  Nick Clifton  <nickc@cygnus.com>
+
+	* toplev.c: Add -dM command line option to dump RTL after the
+	machine dependent reorganisation pass, if there is one.
+	Reorganise RTL dump code, so that only one file handle is
+	needed. 
+
 Mon Jan 26 12:09:42 1998  Benjamin Kosnik  <bkoz@rhino.cygnus.com>
 
 	* except.c (check_exception_handler_labels): Disable warning when

gcc/invoke.texi

@@ -1924,58 +1924,48 @@ name (e.g.  @file{foo.c.rtl} or @file{foo.c.jump}).  Here are the
 possible letters for use in @var{letters}, and their meanings:
 
 @table @samp
-@item M
-Dump all macro definitions, at the end of preprocessing, and write no
-output.
-@item N
-Dump all macro names, at the end of preprocessing.
-@item D
-Dump all macro definitions, at the end of preprocessing, in addition to
-normal output.
-@item y
-Dump debugging information during parsing, to standard error.
-@item r
-Dump after RTL generation, to @file{@var{file}.rtl}.
-@item x
-Just generate RTL for a function instead of compiling it.  Usually used
-with @samp{r}.
-@item j
-Dump after first jump optimization, to @file{@var{file}.jump}.
-@item s
-Dump after CSE (including the jump optimization that sometimes
-follows CSE), to @file{@var{file}.cse}.
-@item D
-Dump after purging ADDRESSOF, to @file{@var{file}.addressof}.
-@item L
-Dump after loop optimization, to @file{@var{file}.loop}.
-@item t
-Dump after the second CSE pass (including the jump optimization that
-sometimes follows CSE), to @file{@var{file}.cse2}.
 @item b
 Dump after computing branch probabilities, to @file{@var{file}.bp}.
+@item c
+Dump after instruction combination, to the file @file{@var{file}.combine}.
+@item d
+Dump after delayed branch scheduling, to @file{@var{file}.dbr}.
+@item D
+Dump after purging ADDRESSOF, to @file{@var{file}.addressof}.
 @item f
 Dump after flow analysis, to @file{@var{file}.flow}.
-@item c
-Dump after instruction combination, to the file
-@file{@var{file}.combine}.
-@item S
-Dump after the first instruction scheduling pass, to
-@file{@var{file}.sched}.
-@item l
-Dump after local register allocation, to
-@file{@var{file}.lreg}.
 @item g
-Dump after global register allocation, to
-@file{@var{file}.greg}.
-@item R
-Dump after the second instruction scheduling pass, to
-@file{@var{file}.sched2}.
+Dump after global register allocation, to @file{@var{file}.greg}.
+@item j
+Dump after first jump optimization, to @file{@var{file}.jump}.
 @item J
 Dump after last jump optimization, to @file{@var{file}.jump2}.
-@item d
-Dump after delayed branch scheduling, to @file{@var{file}.dbr}.
 @item k
 Dump after conversion from registers to stack, to @file{@var{file}.stack}.
+@item l
+Dump after local register allocation, to @file{@var{file}.lreg}.
+@item L
+Dump after loop optimization, to @file{@var{file}.loop}.
+@item M
+Dump after performing the machine dependent reorganisation pass, to
+@file{@var{file}.mach}. 
+@item N
+Dump after the register move pass, to @file{@var{file}.regmove}.
+@item r
+Dump after RTL generation, to @file{@var{file}.rtl}.
+@item R
+Dump after the second instruction scheduling pass, to @file{@var{file}.sched2}.
+@item s
+Dump after CSE (including the jump optimization that sometimes follows
+CSE), to @file{@var{file}.cse}. 
+@item S
+Dump after the first instruction scheduling pass, to @file{@var{file}.sched}.
+@item t
+Dump after the second CSE pass (including the jump optimization that
+sometimes follows CSE), to @file{@var{file}.cse2}. 
+@item x
+Just generate RTL for a function instead of compiling it.  Usually used
+with @samp{r}.
 @item a
 Produce all the dumps listed above.
 @item m
@@ -1984,6 +1974,8 @@ standard error.
 @item p
 Annotate the assembler output with a comment indicating which
 pattern and alternative was used.
+@item y
+Dump debugging information during parsing, to standard error.
 @item A
 Annotate the assembler output with miscellaneous debugging information.
 @end table