On Tue, 30 Mar 2010 00:41:48 +0200 ????? ???????????? <olga.kryzhanov...@gmail.com> wrote:
> The libc mem* instructions use VIS but they are still suboptimal for > small fixed size copies because they impose a significant overhead by > *always* testing the size and alignment. For copies smaller than 48 > bytes the overhead is even greater than the size of data copied, > making it inefficient compared to an inlined chain of VIS > instructions. What exactly are you trying to do? Can you give a few examples where you think VIS instructions will give you better performance? _______________________________________________ opensolaris-code mailing list opensolaris-code@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/opensolaris-code