Re: stable GCC 3.4 configurations

[Andreas Bartelt <dragonflybsd@xxxxxxxxxx>]

Hi,

Joerg Sonnenberger wrote:
> On Tue, Mar 22, 2005 at 08:29:40PM +0100, Andreas Bartelt wrote:
>
> > I've testet building a gcc34 system on a Pentium 4 and on an Athlon PC 
> > now. My /etc/make.conf looks like this on both PCs (no CPUTYPE flag):
> > # cat /etc/make.conf
> > CCVER= gcc34
> > CFLAGS= -O2 -pipe
>
>
> We also don't really support > -O1 at the moment. We are walking on it,
> but it takes time. It is very easy to trigger bad optimisations with
>
> > -O1.

-O0 solves the problem.

Just curious - are these problems, when gcc optimizations are enabled, 
caused by gcc or by DFly bugs? How can critical parts in the code be 
identified?

Thanks a lot for all replies,
Andreas