From owner-freebsd-hackers  Mon Feb  4 10:11:23 2002
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Date: Mon, 4 Feb 2002 10:11:18 -0800
From: Alfred Perlstein <bright@mu.org>
To: Mike Silbersack <silby@silby.com>
Cc: Bruce Evans <bde@zeta.org.au>, Michal Mertl <mime@traveller.cz>,
	hackers@freebsd.org, greg@bogslab.ucdavis.edu
Subject: Re: stack alignment issues
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References: <20020205043744.G23848-100000@gamplex.bde.org> <20020204120547.B2144-100000@patrocles.silby.com>
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* Mike Silbersack <silby@silby.com> [020204 10:04] wrote:
> 
> On Tue, 5 Feb 2002, Bruce Evans wrote:
> 
> > On Mon, 4 Feb 2002, Michal Mertl wrote:
> >
> > > Did you look at the patch by Bruce at
> > > http://groups.yahoo.com/group/freebsd-current/message/39605 ?
> > >
> > > Bruce, is it still fresh in your memory? Can you comment on the patch -
> > > can it be commited in some form?
> >
> > I haven't done anything to clean up the patch.  I hope the problem
> > will go away in future versions of gcc (align the stack at runtime in
> > the few routines that actually need it).
> >
> > Bruce
> 
> Well, if Linux aligns the initial stack, the chance that gcc will have
> auto-alignment added sounds to be about zero.  You might as well go ahead
> with your patch when you get a chance.

I agree, either way we should try to optimized the current situation,
especially if it seems to give a 2x perf boost!

-- 
-Alfred Perlstein [alfred@freebsd.org]
'Instead of asking why a piece of software is using "1970s technology,"
 start asking why software is ignoring 30 years of accumulated wisdom.'
Tax deductable donations for FreeBSD: http://www.freebsdfoundation.org/

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