Date:	Sat, 16 Oct 1999 17:17:42 +0200 (CEST)
From:	Ronald Wahl <rwahl AT gmx DOT net>
Sender:	Ronald DOT Wahl AT Informatik DOT TU-Chemnitz DOT DE
To:	pgcc AT delorie DOT com
Subject:	-fno-schedule-insns2 (Was: Re: pgcc-2.95.1 miscompiles XFree86-3.3.6)
In-Reply-To:	<Pine.LNX.4.10.9909092002420.19113-100000@goliath.csn.tu-chemnitz.de>
Message-ID:	<Pine.LNX.4.10.9910161715330.28053-100000@goliath.csn.tu-chemnitz.de>
MIME-Version:	1.0
Reply-To:	pgcc AT delorie DOT com
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On Thu, 9 Sep 1999, Ronald Wahl wrote:

> On Thu, 9 Sep 1999, Ronald Wahl wrote:
> 
> > Hi,
> > 
> > I just compiled XFree86-3.3.5 with pgcc-2.95.1 and noticed that the
> > X-Server crashes. The problem code lies probably in the directory
> > xc/programs/Xserver/cfb of XFree86. I tried to compile this code with
> > different options. Results:
> > 
> >  -O2 -mk6: CRASH
> >  -O2 -m486: works
> >  -O2 -fno-schedule-insns2: works
> >  -O6 -fno-schedule-insns2: works
> > 
> > For this test the rest of the server was compiled with -O. If I compile
> > the whole X-Server (SVGA) with -O6 the X-Server starts but if
> > some clients connect it crashes. If I compile with -O3 then the server
> > dont crash but doesn't find any valid video mode. Very mystical....
> > 
> > Sorry haven't had time yet to do more tests but I hope you can fix this
> > really soon!
> 
> I forgot to note that i use the HAIFA scheduler... Maybe this is
> important.

postgresql-6.5.[12] segfaults too without -fno-schedule-insns2.

ron

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