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cppopts.texi: Add conflicting option note to -dM. 

2007-07-03  Eric Christopher  <echristo@apple.com>

	    * doc/cppopts.texi: Add conflicting option note to -dM.
	    * doc/invoke.texi: Add note about possible conflicts with
	    -E for -dCHARS and note that -dM will not produce
	    any results if there is no machine dependent reorg.

From-SVN: r126278
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Eric Christopher 2007-07-03 21:39:17 +00:00 committed by Eric Christopher
parent e7005ecbe1
commit 717c4e47fb
3 changed files with 15 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2007-07-03 Eric Christopher <echristo@apple.com>
* doc/cppopts.texi: Add conflicting option note to -dM.
* doc/invoke.texi: Add note about possible conflicts with
-E for -dCHARS and note that -dM will not produce
any results if there is no machine dependent reorg.
2007-07-03 Geoffrey Keating <geoffk@apple.com>
* tree.h (DECL_ALIGN): Back out previous change.

4
gcc/doc/cppopts.texi
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@ -641,6 +641,10 @@ touch foo.h; cpp -dM foo.h
@noindent
will show all the predefined macros.
If you use @option{-dM} without the @option{-E} option, @option{-dM} is
interpreted as a synonym for @option{-fdump-rtl-mach}.
@xref{Debugging Options, , ,gcc}.
@item D
@opindex dD
Like @samp{M} except in two respects: it does @emph{not} include the

6
gcc/doc/invoke.texi
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@ -4270,7 +4270,9 @@ Says to make debugging dumps during compilation at times specified by
compiler. The file names for most of the dumps are made by appending a
pass number and a word to the @var{dumpname}. @var{dumpname} is generated
from the name of the output file, if explicitly specified and it is not
an executable, otherwise it is the basename of the source file.
an executable, otherwise it is the basename of the source file. These
switches may have different effects when @option{-E} is used for
preprocessing.
Most debug dumps can be enabled either passing a letter to the @option{-d}
option, or with a long @option{-fdump-rtl} switch; here are the possible
@ -4407,7 +4409,7 @@ Dump after modulo scheduling, to @file{@var{file}.136r.sms}.
@opindex dM
@opindex fdump-rtl-mach
Dump after performing the machine dependent reorganization pass, to
@file{@var{file}.155r.mach}.
@file{@var{file}.155r.mach} if that pass exists.
@item -dn
@itemx -fdump-rtl-rnreg