Re: add AVX2 support to simd.h - Mailing list pgsql-hackers

From John Naylor
Subject Re: add AVX2 support to simd.h
Date
Msg-id CANWCAZavit+92_2E4K04RD7ErzY2T1Cc=3tysLYLk17t_GnM-g@mail.gmail.com
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In response to Re: add AVX2 support to simd.h  (Nathan Bossart <nathandbossart@gmail.com>)
Responses Re: add AVX2 support to simd.h
List pgsql-hackers
On Tue, Jan 2, 2024 at 11:11 PM Nathan Bossart <nathandbossart@gmail.com> wrote:
>
> Perhaps I was too optimistic about adding support for newer instructions...
>
> I'm tempted to propose that we move forward with this patch as-is after
> adding a buildfarm machine that compiles with -mavx2 or -march=x86-64-v3.

That means that we would be on the hook to fix it if it breaks, even
though nothing uses it yet in a normal build. I have pending patches
that will break, or get broken by, this, so minus-many from me until
there is an availability story.



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