On Thu, 2012-07-12 at 00:35 +0200, Alexander Graf wrote: > > On Thu, 2012-07-12 at 00:25 +0200, Alexander Graf wrote: > >> Or just free up another register early on, like here. > > > > If you're going to do that, you want to measure the impact on null > > syscall performance though. > > That should hold true for any change in that code, no?
Yes, but adding a gpr save is more invasive (you have to also load it back later on & put it on the stack). Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
