On Sat, Mar 08, 2008 at 06:43:40AM -0800, Garrett D'Amore wrote: > > Do all x86 CPUs have this instruction, or only certain families, or only > newer processors? > This instruction appeared on 386, and is common for all later CPUs.
> > In any case, file a bug; I'll sponsor the request. (It would be cool to > have this both in libc and in the kernel. The kernel has both ddi_ffs > and ddi_fls.) > And there is also a corresponding bsr instruction to implement ddi_fls. _______________________________________________ opensolaris-code mailing list [email protected] http://mail.opensolaris.org/mailman/listinfo/opensolaris-code
