Fedora development switch to GCC 4.1.0-RH prerelease
Arjan van de Ven
arjan at fenrus.demon.nl
Thu Dec 8 18:15:48 UTC 2005
On Thu, 2005-12-08 at 10:05 -0800, Jesse Barnes wrote:
> On Thursday, December 8, 2005 1:51 am, Jakub Jelinek wrote:
> > Hi!
> >
> > Some time between today and tomorrow we plan to switch Fedora
> > development primary compiler from GCC 4.0.2-RH to 4.1.0-RH prerelease.
> > We hope GCC 4.1.0 will be officially released in time for the
> > Fedora Core 5 release, but if we want to switch, we need to do it now
> > so that the compiler and packages built with it are sufficiently
> > tested.
>
> Arjan mentioned the other day that the Fedora linker is capable of
> loading CPU specific libraries, depending on which ISA extensions are
> available. Since gcc 4.1 has a much improved autovectorizer, maybe now
> is the time to start making use of it? It seems like codec libraries
> are good candidates for autovectorization, maybe their spec files could
> build SSE2, SSE3, and 3dnow variants along with the regular, non-SIMD
> versions of the libraries?
on x86-64 that's already there. on x86.. why ?
More information about the fedora-devel-list
mailing list