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From: Andrew Pinski <pinskia@gmail.com>
Date: Sun, 6 Feb 2022 18:03:56 -0800
Message-ID: <CA+=Sn1=0F=prUWaSjjyqodoQGw10zmjGp6f4=iVeS-VBXi-9Cg@mail.gmail.com>
Subject: Re: [Intel SPR] Progress of GCC support for Intel SPR features
To: LiYancheng <yancheng.li@foxmail.com>
Cc: GCC Mailing List <gcc@gcc.gnu.org>
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On Sun, Feb 6, 2022 at 5:59 PM LiYancheng via Gcc <gcc@gcc.gnu.org> wrote:
>
> Hello everyone!
>
> I have some questions to ask:
>
> 1. How does GCC support Sapphrie Rapids CPU now?
>
> 2. Does GCC 11 fully support all the features of SPR?
>  From the release note, it seems that 5g ISA (fp16)/hfni is
> not supported yet.

It will be included in GCC 12 which should be released in less than 4 months.

>
> 3. What is the simulation tool used by GCC to verify SPR characteristics?
> Is it open source?

Intel is doing the patching to GCC and binutils so I suspect they
verify using their internal tools and I highly doubt it is free
source.


Thanks,
Andrew Pinski


>
> Thanks for all the help,
>
> yancheng
>