Subject: Re: NetBSD/i386 binaries
To: None <wojtek@wojtek.from.pl>
From: Thor Lancelot Simon <tls@rek.tjls.com>
List: port-i386
Date: 03/09/2001 10:03:43
On Fri, Mar 09, 2001 at 08:23:09AM +0100, wojtek@wojtek.from.pl wrote:
> > > > pkgsrc collection, should therefore run on any 1.5/i386. You can build
> > > 
> > > all binaries compiled with -mpentiumpro RUNS on any i386!
> > 
> > So what?  All -mpentiumpro changes is the instruction scheduling.
> 
> yes. because of that it's good as default option - it runs still same fast
> on 386 for example.

No, it doesn't.  Or, if it does, then gcc's instruction scheduling for the
386 is broken.

Timings for many instructions are radically different on the i386 than on
the Pentium Pro.