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Re: Altivec in baseline for ppc64?

On 7/13/21 6:56 PM, Mathieu Malaterre wrote:
> I do not believe that you can do much as a packager. You cannot assume
> anything on the target arch. You need to do the same thing as ffmpeg
> is doing for avx2/sse4 on amd64, you need to do runtime detection. So
> unless upstream is doing something very clever you cannot compile blas
> using any of the fancy altivec instructions :(
For performance-related libraries I'm okay with AltiVec, we're enabling it for
NSS2 as well and so far no user has reported any issues.

If that changes in the future, i.e. someone is actually complaining, we can
still revisit this issue.


 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

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