This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Should -fcross-jumping be part of -O1?
- From: Felix Lee <felix dot 1 at canids dot net>
- To: Gareth McCaughan <gmccaughan at synaptics-uk dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Tue, 02 Dec 2003 06:09:09 -0800
- Subject: Re: Should -fcross-jumping be part of -O1?
Gareth McCaughan <gmccaughan@synaptics-uk.com>:
> gcc ..... -Ospeed=3 -Ospace=1 -Odebug=0 -Ocompiletime=0
I think anyone who cares about such fine distinctions is going to
end up playing around with -f/-m flags anyway. I don't see much
benefit to having the compiler make promises like that. every
combination will have to be checked to make sure it acts
sensibly, for all targets. as a user, I'd rather have just a few
canned options that are pretty well-tuned, and good documentation
of the tradeoffs (speed/space/debug/compiletime) for all the
various -f/-m flags.
--