cvs commit: src/sys/kern vfs_vnops.c

[Dmitry Marakasov]

* Bruce Evans (bde at optusnet.com.au) wrote:
> > peter       2007-05-17 15:31:14 UTC
> >
> >  FreeBSD src repository
> >
> >  Modified files:
> >    sys/kern             vfs_vnops.c
> >  Log:
> >  Eliminate a micro-optimization that hasn't had any effect for 15+ years.
> >
> >  Revision  Changes    Path
> >  1.249     +0 -5      src/sys/kern/vfs_vnops.c
>  Since it was only implemented 11.5 years ago (in rev.1.18), it certainly
>  had no effect 15+ years ago, but it probably had an effect later than 11.5
>  years ago.
I think it refers more to gcc capability to compile var/CONST expression
where CONST is 2^n into bit shift instruction instead of division. Which
is more important, has this capability been confirmed?

-- 
Best regards,
  Dmitry Marakasov               mailto:amdmi3 at amdmi3.ru