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Re: Is there a site for unofficail patches?
- To: jbuck at racerx dot synopsys dot com
- Subject: Re: Is there a site for unofficail patches?
- From: jfm2 at club-internet dot fr
- Date: Wed, 23 Aug 2000 22:22:15 +0200 (CEST)
- Cc: jfm2 at club-internet dot fr, gcc at gcc dot gnu dot org
- References: <200008231501.IAA13838@racerx.synopsys.com>
>
> > I have found that gcc 2.95.2 tends to coredump in Linux (RedHat 6.2)
> > when compiling with -O3 -mcpu=i686 -mpreferred-stack-boundary=2
> >
> > The most notorious example is that it fails to recompile itself. The
> > culprit is the preferred-stack-boundary flag since after removing it
> > then everything works fine. Is there a place where I could look for a
> > patch?
>
> The problem with unusual flag combinations and high optimization levels
> is that you're in untested territory. It may well be that no one besides
> you ever tried this combination before, so it is very unlikely that you'll
> find a patch anywhere.
>
>
>
In fact I was using a subset of Linux Mandrake's flags with the only
difference that Mandrake uses -march=i586 while I use -mcpu=i686.
But using plain -03 -mcpu=i686 -mpreferred-stack-boundary crashed gcc
while rebuilding itself.
--
Jean Francois Martinez
Project Independence: Linux for the Masses
http://www.independence.seul.org