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From: Florian Weimer <fweimer@redhat.com>
To: "H.J. Lu via Libc-alpha" <libc-alpha@sourceware.org>
Cc: Shen-Ta Hsieh <ibmibmibm.tw@gmail.com>,  "H.J. Lu" <hjl.tools@gmail.com>
Subject: Re: [PATCH v4 2/2] x86_64: roundeven with sse4.1 support
References: <alpine.DEB.2.21.2003272324370.5132@digraph.polyomino.org.uk>
 <20200502150243.1347705-2-ibmibmibm.tw@gmail.com>
 <CAMe9rOpNPxD4W5Mb1iHhJ=j-ocDifwq-7yBz0YwAgkOz5SfBgw@mail.gmail.com>
Date: Thu, 28 May 2020 14:22:45 +0200
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 (H. J. Lu via Libc-alpha's message of "Thu, 28 May 2020 05:05:32
 -0700")
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* H. J. Lu via Libc-alpha:

>> Here is a benchmark result on my AMD Ryzen 9 3900X system:
>
> Since we don't know or may not care SSE4 machines without AVX,
> should we make it to AVX only?

What about Goldmont/Tremont?  Those are current CPUs which do not
support AVX, but I think they have sufficient SSE4 support levels for
this change.

Thanks,
Florian