On Mon, 2004-11-29 at 10:32 +0100, Arjan van de Ven wrote: > branch prediction on p4 actually takes hints from the compiler now ;) That turned out to be useless, Intel no longer recommends it (or even documents it, IIRC). I'm not sure if gcc still generates the hints when targeting P4s. > we *already* optimize for i686 even in the i386 rpms I meant in terms of using i686 specific instructions (i.e. SSE, SSE2, etc.), not i686 instruction scheduling. -- Nicholas Miell <nmiell@xxxxxxxxxxx>
