K 10 svn:author V 2 bz K 8 svn:date V 27 2014-08-29T12:40:01.200500Z K 7 svn:log V 243 Properly handle prefetch only for amd64 and i386 as we do elsewhere. In general theraven is right that we should factr this out and provide a general and per-arch implementation that everything can use. MFC after: 3 days X-MFC with: r270755 END