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Re: [PATCH/AARCH64] Add ThunderX T88 pass1 -mpcu option
- From: Marcus Shawcroft <marcus dot shawcroft at gmail dot com>
- To: Andrew Pinski <pinskia at gmail dot com>
- Cc: binutils <binutils at sourceware dot org>
- Date: Wed, 19 Aug 2015 17:33:23 +0100
- Subject: Re: [PATCH/AARCH64] Add ThunderX T88 pass1 -mpcu option
- Authentication-results: sourceware.org; auth=none
- References: <CA+=Sn1mfBv=b7nF3sR4bTgf7-ktJ7k3a0z1RhAu0N81gQomr-w at mail dot gmail dot com>
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