On Thu, 2005-12-08 at 10:36 -0800, Jesse Barnes wrote: > On Thursday, December 8, 2005 10:15 am, Arjan van de Ven wrote: > > > 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 ? > > There are still lots of x86 machines out there, including the upcoming, > dual-core Yonah chip, so providing SIMD versions of the libraries for > x86 is worthwhile, IMO. > > Which libraries have vectorized variants on x86-64? I only saw one for > my x86 box... on x86-64 all do.. SSE2 etc are "core" features there and don't need special dirs, it's part of the normal ABI -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
