[PATCH/AARCH64] Add ThunderX T88 pass1 -mpcu option

[Marcus Shawcroft]

On 19 August 2015 at 12:05, Andrew Pinski <pinskia@gmail.com> wrote:
> Hi,
>   ThunderX T88 pass 1.x does not include ARMv8.1 support but all
> future ThunderX (including T88 pass 2) does so we need an option to
> distinguish the two.  Note ThunderX is family of processors and they
> all have very similar cores (just errata fixes) which have different
> part numbers so having a different -mcpu= for each of those processors
> does not make sense.
>
> ok?  Build and tested on aarch64-linux-gnu with no regressions.
>
> ChangeLog:
> * config/tc-aarch64.c (aarch64_cpus):
> Add thunderxt88pass1.
> * doc/c-aarch64.texi: Document that thunderxt88pass1
> is a valid processor name.

OK...  assuming that in light of James G's proposed patch to have gcc
pass -march rather than -mcpu
https://gcc.gnu.org/ml/gcc-patches/2015-08/msg01106.html you still
want to land this patch...
Cheers
/Marcus