DragonFly users List (threaded) for 2005-03
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Re: stable GCC 3.4 configurations
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
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