* doc/options.texi (Warning, Optimization): Document.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@167089 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 67c3dfa..c65a054 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2010-11-23  Joseph Myers  <joseph@codesourcery.com>
+
+       * doc/options.texi (Warning, Optimization): Document.
+
 2010-11-23  Jan Hubicka  <jh@suse.cz>
 
        * tree.h (DECL_HAS_IMPLICIT_SECTION_NAME_P): New macro.

diff --git a/gcc/doc/options.texi b/gcc/doc/options.texi
index 8c5c639..1bdf83d 100644 (file)
--- a/gcc/doc/options.texi
+++ b/gcc/doc/options.texi
@@ -340,6 +340,17 @@ is marked @code{Warn}, the target of the alias must not also be marked
 @item Report
 The state of the option should be printed by @option{-fverbose-asm}.
 
+@item Warning
+This is a warning option and should be shown as such in
+@option{--help} output.  This flag does not currently affect anything
+other than @option{--help}.
+
+@item Optimization
+This is an optimization option.  It should be shown as such in
+@option{--help} output, and any associated variable named using
+@code{Var} should be saved and restored when the optimization level is
+changed with @code{optimize} attributes.
+
 @item Undocumented
 The option is deliberately missing documentation and should not
 be included in the @option{--help} output.