Altivec in baseline for ppc64?

2021-07-13 Thread Sébastien Villemot
Hi, The wiki page that synthesizes architecture specificities indicates that Altivec is included in the baseline for the ppc64 port: https://wiki.debian.org/ArchitectureSpecificsMemo#ppc64 However my understanding is that this port supports any powerpc64 CPU, including some that don’t have Altive

Re: Altivec in baseline for ppc64?

2021-07-13 Thread Mathieu Malaterre
Hi Sébastien, On Tue, Jul 13, 2021 at 2:04 PM Sébastien Villemot wrote: > > Hi, > > The wiki page that synthesizes architecture specificities indicates > that Altivec is included in the baseline for the ppc64 port: > https://wiki.debian.org/ArchitectureSpecificsMemo#ppc64 > > However my understan

Re: Altivec in baseline for ppc64?

2021-07-13 Thread Sébastien Villemot
Hi Mathieu, Le mardi 13 juillet 2021 à 18:56 +0200, Mathieu Malaterre a écrit : > > On Tue, Jul 13, 2021 at 2:04 PM Sébastien Villemot > wrote: > > > > The wiki page that synthesizes architecture specificities indicates > > that Altivec is included in the baseline for the ppc64 port: > > https

Re: Altivec in baseline for ppc64?

2021-07-13 Thread Mathieu Malaterre
On Tue, Jul 13, 2021 at 7:21 PM Sébastien Villemot wrote: > > Hi Mathieu, > > Le mardi 13 juillet 2021 à 18:56 +0200, Mathieu Malaterre a écrit : > > > > On Tue, Jul 13, 2021 at 2:04 PM Sébastien Villemot > > wrote: > > > > > > The wiki page that synthesizes architecture specificities indicates

Re: Altivec in baseline for ppc64?

2021-07-13 Thread Sébastien Villemot
Le mardi 13 juillet 2021 à 20:06 +0200, Mathieu Malaterre a écrit : > On Tue, Jul 13, 2021 at 7:21 PM Sébastien Villemot > wrote: > > Le mardi 13 juillet 2021 à 18:56 +0200, Mathieu Malaterre a écrit : > > > > > > On Tue, Jul 13, 2021 at 2:04 PM Sébastien Villemot > > > wrote: > > > > > > > >

Re: Altivec in baseline for ppc64?

2021-07-13 Thread John Paul Adrian Glaubitz
Hi Sébastien! On 7/13/21 1:55 PM, Sébastien Villemot wrote: > The wiki page that synthesizes architecture specificities indicates > that Altivec is included in the baseline for the ppc64 port: > https://wiki.debian.org/ArchitectureSpecificsMemo#ppc64 > > However my understanding is that this port

Re: Altivec in baseline for ppc64?

2021-07-13 Thread John Paul Adrian Glaubitz
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 v

Re: Altivec in baseline for ppc64?

2021-07-13 Thread William Bonnet
Hi, >> I am however not sure that my current choices for the ppc64 and powerpc >> baselines are optimal, hence this thread. If i can help you i'll be happy to. I have several Powermac G5 running current Debian i can use one to test your packages as long as you tell me please a little about the

Re: Altivec in baseline for ppc64?

2021-07-13 Thread Karoly Balogh
Hi, On Tue, 13 Jul 2021, John Paul Adrian Glaubitz wrote: > > However my understanding is that this port supports any powerpc64 CPU, > > including some that don’t have Altivec (e.g. POWER4 or POWER5). This > > is also what the main wiki page for PPC64 says: > > https://wiki.debian.org/PPC64 > > >

Re: Altivec in baseline for ppc64?

2021-07-13 Thread Jeffrey Walton
On Tue, Jul 13, 2021 at 2:20 PM Sébastien Villemot wrote: > > Le mardi 13 juillet 2021 à 20:06 +0200, Mathieu Malaterre a écrit : > > On Tue, Jul 13, 2021 at 7:21 PM Sébastien Villemot > > wrote: > > > Le mardi 13 juillet 2021 à 18:56 +0200, Mathieu Malaterre a écrit : > > > > > > > > On Tue, Ju

Re: Altivec in baseline for ppc64?

2021-07-13 Thread Christian Zigotzky
> On 13. Jul 2021, at 21:05, John Paul Adrian Glaubitz > wrote: > > Hi Sébastien! > >> On 7/13/21 1:55 PM, Sébastien Villemot wrote: >> The wiki page that synthesizes architecture specificities indicates >> that Altivec is included in the baseline for the ppc64 port: >> https://wiki.debian.

Re: Altivec in baseline for ppc64?

2021-07-13 Thread Christian Zigotzky
> On 13. Jul 2021, at 21:44, Karoly Balogh wrote: > > Hi, > > On Tue, 13 Jul 2021, John Paul Adrian Glaubitz wrote: > >>> However my understanding is that this port supports any powerpc64 CPU, >>> including some that don’t have Altivec (e.g. POWER4 or POWER5). This >>> is also what the main

Re: Altivec in baseline for ppc64?

2021-07-13 Thread William Bonnet
Hi On 13/07/2021 21:35, Karoly Balogh wrote: > Just to note it here, this CPU family is also used by some relatively > recent desktop-class PowerPC machines, like A-Eon's AmigaOne X5000 (and > its "CyrusPlus" motherboard). So it's not just about the support of some > obscure embedded dev board.