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authorramana <ramana@138bc75d-0d04-0410-961f-82ee72b054a4>2009-03-31 14:41:32 +0000
committerramana <ramana@138bc75d-0d04-0410-961f-82ee72b054a4>2009-03-31 14:41:32 +0000
commitee933f51acc72cf733d532461713a446eb5215d4 (patch)
treef32cdac597e4898cf067afd8a591e1810274c258
parent172e662bea3dd45f48f4155bfa34df25d552d465 (diff)
downloadgcc-ee933f51acc72cf733d532461713a446eb5215d4.tar.gz
Fix documentation for -mthumb
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145347 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/doc/invoke.texi5
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e38995188c1..3ccdb4c0c3c 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 980810451f5..b2a764acc02 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