From mboxrd@z Thu Jan  1 00:00:00 1970
From: jfm2@club-internet.fr
To: pthomas@suse.de
Cc: jfm2@club-internet.fr, gcc@gcc.gnu.org
Subject: Re: Is there a site for unofficail patches?
Date: Wed, 23 Aug 2000 16:55:00 -0000
Message-id: <20000824000325.13F7EF427@agnes.fremen.dune>
References: <20000821223929.1E811F426@agnes.fremen.dune> <20000824002023.A12445@Jeffreys.suse.de>
X-SW-Source: 2000-08/msg00490.html

> * jfm2@club-internet.fr (jfm2@club-internet.fr) [20000822 00:32]:
> 
> > 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
>                       ^^^
> This won't buy you anything! -O3 only gets you automatic inlining which is
> useless for the Linux kernel as functions are explicitely marked inline
> where necessary for speed. There's a reason why the kernel makefiles use -O2
> by default.
> 

I knew this.  I was using the above flags to recompile gcc 2.95.2 with
itself not the kernel.  And it coredumped.  Since it works for
Mnadrake people with difference that they use -march=i586 then
conclusion is that the crash is due to use of -mcpu=i686 in conjuction
with preferred-stack-boundary.

-- 
			Jean Francois Martinez

Project Independence: Linux for the Masses
http://www.independence.seul.org