Re: [patch 14/44] generic hweight{64,32,16,8}()
Andi Kleen <[email protected]>
| Newsgroups | gmane.linux.ports.ultrapenguin,gmane.linux.kernel,gmane.linux.ports.ia64,gmane.linux.ports.hppa,gmane.linux.ports.ppc.devel,gmane.linux.ports.sh.devel,gmane.linux.ports.sparc |
|---|---|
| Message-ID | <[email protected]> |
On Wednesday 01 February 2006 10:26, Michael Tokarev wrote: > Andi Kleen wrote: > > On Wednesday 01 February 2006 10:02, Akinobu Mita wrote: > > > >>+static inline unsigned int hweight32(unsigned int w) > [] > > How large are these functions on x86? Maybe it would be better to not inline them, > > but put it into some C file out of line. > > hweight8 47 bytes > hweight16 76 bytes > hweight32 97 bytes > hweight64 56 bytes (NOT inlining hweight32) > hweight64 197 bytes (inlining hweight32) > > Those are when compiled as separate non-inlined functions, > with pushl %ebp and ret. This would argue for moving them out of line. -Andi - To unsubscribe from this list: send the line "unsubscribe ultralinux" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html