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On Thu, Mar 08, 2001 at 02:19:01PM +0000, Ben Harris wrote:
> In article <200103072138.f27LbJ500804@buzzard.freeserve.co.uk> you write:
> >Unless folks don't want them here, I'll post some of my performance twea=
ks=20
> >that I've made over the next few days.  Folks are free to criticise or a=
dd=20
> >them to the master sources as they see fit.  Things are changing so=20
> >rapidly at the moment that it is costing me serious amounts of time tryi=
ng=20
> >to keep these in sync with the master sources.
>=20
> One thing I've noticed is that two of your changes have #ifdefs to
> turn them off again.  Do you think these are likely to be necessary?
> It seems to me that if the changes are likely to have an adverse
> effect on some systems, we should either detect those systems at
> run-time, or not apply the changes at all.  Having random undocumented
> #ifdefs all over the place (without even a defopt, usually) is one of
> the things that makes modifying the arm32 sources painful.
>=20
> >This patch is a minor tweak to arm/arm32/bcopy_page.S.
>=20
> Out of curiosity (I've not looked at the code) is there a good reason
> for not using memcpy() here?

Uhm, fixed, known, and especially known to be aligned size (and aligned
addresses)?=20

	-is

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