On Thu, May 26, 2016 at 09:24:51AM +0200, Christophe Leroy wrote: > Wouldn't it be better to add nops before the function entry in order to > get the hot loop aligned, instead of adding nops in the middle of the > function ?
Why would that be better? The nops are executed once per function call in either case, there are the same number of nops in either case, and on most CPUs nops aren't actually executed anyway (they are decoded and the thrown away). Segher _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
