On Thu, Oct 02, 2014 at 03:44:21PM +1000, Anton Blanchard wrote: > This assumes cacheline sizes won't grow beyond 512 bytes or > page sizes wont drop below 1kB,
Or a combination of those. > Michael found that some versions of gcc produce quite bad code > (all multiplies), so we give gcc a hand by using shifts and adds. You can make the code a lot less cluttered as well as making the generated code independent of compiler version by writing the setup of twox..eightx in the asm block itself. Segher _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
