diff mbox

[ARM,1/3] Document --with-multilib-list for arm*-*-* targets

Message ID 000d01d146b3$9c1b9a40$d452cec0$@foss.arm.com
State New
Headers show

Commit Message

Thomas Preudhomme Jan. 4, 2016, 5:48 a.m. UTC 
> From: Gerald Pfeifer [mailto:gerald@pfeifer.com]
> Sent: Sunday, January 03, 2016 6:49 AM
> 
> On Wed, 16 Dec 2015, Thomas Preud'homme wrote:
> > Currently, the documentation for --with-multilib-list in
> > gcc/doc/install.texi only mentions sh*-*-* and x86-64-*-linux* targets.
> > However, arm*-*-* targets also support this option. This patch adds
> > documention for the meaning of this option for arm*-*-* targets.
> >
> > 2015-12-09  Thomas Preud'homme  <thomas.preudhomme@arm.com>
> >
> >         * doc/install.texi (--with-multilib-list): Describe the meaning of the
> >         option for arm*-*-* targets.
> 
> Ok (since I don't think I saw a response from the ARM maintainers).
> 
> (The list of options for -mfpu= is a bit inconsistent with the other
> cases, in that it has -mfpu= only in the first case, but I guess this
> is fine if you want to keep it that way.)

Oh indeed right. How could I miss that? I fixed it and committed the following:


2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * doc/install.texi (--with-multilib-list): Describe the meaning of the
        option for arm*-*-* targets.


Best regards,

Thomas
diff mbox

Patch

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 81cadb5ed59c3ce8de2b8f8a474fcb3d9de10f32..f3052c07b06bca2e1fc77f0133b723563467a94d 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -1102,9 +1102,19 @@  sysv, aix.
 @item --with-multilib-list=@var{list}
 @itemx --without-multilib-list
 Specify what multilibs to build.
-Currently only implemented for sh*-*-* and x86-64-*-linux*.
+Currently only implemented for arm*-*-*, sh*-*-* and x86-64-*-linux*.
 
 @table @code
+@item arm*-*-*
+@var{list} is either @code{default} or @code{aprofile}.  Specifying
+@code{default} is equivalent to omitting this option while specifying
+@code{aprofile} builds multilibs for each combination of ISA (@code{-marm} or
+@code{-mthumb}), architecture (@code{-march=armv7-a}, @code{-march=armv7ve},
+or @code{-march=armv8-a}), FPU available (none, @code{-mfpu=vfpv3-d16},
+@code{-mfpu=neon}, @code{-mfpu=vfpv4-d16}, @code{-mfpu=neon-vfpv4} or
+@code{-mfpu=neon-fp-armv8} depending on architecture) and floating-point ABI
+(@code{-mfloat-abi=softfp} or @code{-mfloat-abi=hard}).
+
 @item sh*-*-*
 @var{list} is a comma separated list of CPU names.  These must be of the
 form @code{sh*} or @code{m*} (in which case they match the compiler option