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 ? -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list