[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: Bug#857172: Please enable SSE2 on amd64 and disable altivec on PPC ports



On Wed, Mar 08, 2017 at 10:52:21AM -0500, Lennart Sorensen wrote:
> e5500 does not have it, which means one of the modern powerpc chips
> doesn't support it.
> 
> Certainly the powerpc64 port claims e5500 support, and hence does NOT
> assume altivec support.

Right. But that was something that was just changed recently. Because
one e5500 user complained about it.

> It really is something that should be runtime detected and used if
> present but not required.

It should. But it has been like that for ages and no one has
complained so far unlike with the ppc64 port. So I really think it
should stay that way. Most PowerPC machines are already underpowered,
so taking away Altivec on applications where it really makes a
difference would be suboptimal.

Adrian

-- 
 .''`.  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


Reply to: