[AArch64] Add --enable-fix-cortex-a53-835769 configure-time option

[Marcus Shawcroft]

On 10 October 2014 11:53, Kyrill Tkachov <kyrylo.tkachov@arm.com> wrote:
> Hi all,
>
> This adds a new configure-time option --enable-fix-cortex-a53-835769 that
> will enable the Cortex-A53 erratum fix by default
> so you don't have to specify -mfix-cortex-a53-835769 every time.
>
> Documentation in install.texi is added.
>
> Ok for trunk?
>
> Thanks,
> Kyrill
>
>     2014-10-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
>
>         * configure.ac: Add --enable-fix-cortex-a53-835769 option.
>         * configure: Regenerate.
>         * config/aarch64/aarch64.c (aarch64_override_options): Handle
>         TARGET_FIX_ERR_A53_835769_DEFAULT.
>         * config/aarch64/aarch64.opt (mfix-cortex-a53-835769): Set Init
>         value to 2.
>         * doc/install.texi (aarch64*-*-*): Document
>         new --enable-fix-cortex-a53-835769 option.

OK /Marcus