RE: [PATCH][GCC] aarch64: enable cortex-x2 CPU

[Kyrylo Tkachov via Gcc-patches]

> -----Original Message-----
> From: Kyrylo Tkachov
> Sent: Friday, October 1, 2021 1:17 PM
> To: Przemyslaw Wirkus <przemyslaw.wir...@arm.com>; gcc-
> patc...@gcc.gnu.org
> Cc: Richard Earnshaw <richard.earns...@arm.com>; Richard Sandiford
> <richard.sandif...@arm.com>; Marcus Shawcroft
> <marcus.shawcr...@arm.com>
> Subject: RE: [PATCH][GCC] aarch64: enable cortex-x2 CPU
> 
> 
> 
> > -----Original Message-----
> > From: Przemyslaw Wirkus <przemyslaw.wir...@arm.com>
> > Sent: Wednesday, September 22, 2021 9:38 AM
> > To: gcc-patches@gcc.gnu.org
> > Cc: Richard Earnshaw <richard.earns...@arm.com>; Richard Sandiford
> > <richard.sandif...@arm.com>; Marcus Shawcroft
> > <marcus.shawcr...@arm.com>; Kyrylo Tkachov
> <kyrylo.tkac...@arm.com>
> > Subject: [PATCH][GCC] aarch64: enable cortex-x2 CPU
> >
> > Patch is adding 'cortex-x2' to -mcpu command line option.
> >
> > OK for master?
> >
> > gcc/ChangeLog:
> >
> > 2021-09-02  Przemyslaw Wirkus  <przemyslaw.wir...@arm.com>
> >
> >     * config/aarch64/aarch64-cores.def (AARCH64_CORE): New
> >     Cortex-X2 core.
> >     * config/aarch64/aarch64-tune.md: Regenerate.
> >     * doc/invoke.texi: Update docs.
> diff --git a/gcc/config/aarch64/aarch64-cores.def
> b/gcc/config/aarch64/aarch64-cores.def
> index
> a8027e92fa8f7554e2b19d00f7c85c6ed48a92e5..34d9646ab6a32a19e7cd09d9
> 5594b59278d02920 100644
> --- a/gcc/config/aarch64/aarch64-cores.def
> +++ b/gcc/config/aarch64/aarch64-cores.def
> @@ -168,4 +168,6 @@ AARCH64_CORE("cortex-a510",  cortexa510,
> cortexa55, 9A,  AARCH64_FL_FOR_ARCH9 |
> 
>  AARCH64_CORE("cortex-a710",  cortexa710, cortexa55, 9A,
> AARCH64_FL_FOR_ARCH9 | AARCH64_FL_SVE2_BITPERM |
> AARCH64_FL_MEMTAG | AARCH64_FL_I8MM | AARCH64_FL_BF16,
> neoversen2, 0x41, 0xd47, -1)
> 
> +AARCH64_CORE("cortex-x2",  cortexx2, cortexa55, 9A,
> AARCH64_FL_FOR_ARCH9 | AARCH64_FL_SVE2_BITPERM |
> AARCH64_FL_MEMTAG | AARCH64_FL_I8MM | AARCH64_FL_BF16,
> neoversen2, 0x41, 0xd48, -1)
> +
> 
> Let's use cortexa57 for scheduling here for now.

I should have said, ok with that change.
Kyrill
> Thanks,
> Kyrill