Re: 486 Optimizations...

From: Alfred Perlstein <bright(at)wintelcom(dot)net>
To: Larry Rosenman <ler(at)lerctr(dot)org>
Cc: PostgreSQL Hackers List <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: 486 Optimizations...
Date: 2000-11-14 21:50:13
Message-ID: 20001114135012.W11449@fw.wintelcom.net
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* Larry Rosenman <ler(at)lerctr(dot)org> [001114 13:47] wrote:
> * Alfred Perlstein <bright(at)wintelcom(dot)net> [001114 15:46]:
> > * Larry Rosenman <ler(at)lerctr(dot)org> [001114 13:42] wrote:
> > > Anyone care if I build a patch to kill the -m486 type options in the
> > > following files:
> > >
> > > $ grep -i -- 486 *
> > > bsdi: i?86) CFLAGS="$CFLAGS -m486";;
> > > freebsd:CFLAGS='-O2 -m486 -pipe'
> > > univel:CFLAGS='-v -O -K i486,host,inline,loop_unroll -Dsvr4'
> > > $ pwd
> > > /home/ler/pg-dev/pgsql/src/template
> > > $
> >
> > I have a patch pending for FreeBSD to support alpha builds that
> > also disables -m486 so if you left the freebsd template alone it
> > would be ok.
> I have a P-III, I don't want the template to specify it *AT ALL*.
> (this is on FreeBSD 4.2-BETA).

My patches set i386-FreeBSD to -O2 and alpha-FreeBSD to -O, no
worries.

> It seems like GCC does the right (or mostly right) thing without
> the -m option....

heh. :)

--
-Alfred Perlstein - [bright(at)wintelcom(dot)net|alfred(at)freebsd(dot)org]
"I have the heart of a child; I keep it in a jar on my desk."

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