From: ramana <ramana@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 31 Mar 2009 14:41:32 +0000 (+0000)
Subject: Fix documentation for -mthumb
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ee933f51acc72cf733d532461713a446eb5215d4;p=thirdparty%2Fgcc.git

Fix documentation for -mthumb

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145347 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e38995188c1b..3ccdb4c0c3c9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
+
+        PR target/27237
+	* doc/invoke.texi (ARM Options): Update documentation for -mthumb.
+	
 2009-03-31  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/31029
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 980810451f5f..b2a764acc02d 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -9223,7 +9223,10 @@ Generate code for the Thumb instruction set.  The default is to
 use the 32-bit ARM instruction set.
 This option automatically enables either 16-bit Thumb-1 or
 mixed 16/32-bit Thumb-2 instructions based on the @option{-mcpu=@var{name}}
-and @option{-march=@var{name}} options.
+and @option{-march=@var{name}} options. This option is not passed to the 
+assembler. If you want to force assembler files to be interpreted as Thumb code,
+either add a @samp{.thumb} directive to the source or pass the @option{-mthumb} 
+option directly to the assembler by prefixing it with @option{-Wa}.
 
 @item -mtpcs-frame
 @opindex mtpcs-frame