From bebc6e07b129cd3e159a6a82fb283e8d13c7a1ff Mon Sep 17 00:00:00 2001 From: Ramana Radhakrishnan Date: Tue, 31 Mar 2009 14:41:32 +0000 Subject: [PATCH] Fix documentation for -mthumb From-SVN: r145347 --- gcc/ChangeLog | 5 +++++ gcc/doc/invoke.texi | 5 ++++- 2 files changed, 9 insertions(+), 1 deletion(-) 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 + + PR target/27237 + * doc/invoke.texi (ARM Options): Update documentation for -mthumb. + 2009-03-31 Richard Guenther 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 -- 2.30.2