Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 6 Nov 2008 01:37:36 +1100
From:      andrew clarke <mail@ozzmosis.com>
To:        Robin Becker <robin@reportlab.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: gcc 3.4.4 -fno-gcse
Message-ID:  <20081105143736.GA2880@ozzmosis.com>
In-Reply-To: <49119963.5070104@chamonix.reportlab.co.uk>
References:  <49119963.5070104@chamonix.reportlab.co.uk>

next in thread | previous in thread | raw e-mail | index | archive | help
On Wed 2008-11-05 13:02:27 UTC+0000, Robin Becker (robin@reportlab.com) wrote:

> I'm trying to do some benchmarks for a new/improved version of CPython 
> and would like to know if gcc 3.4.4 as distributed with FreeBSD 6.1 
> handles the -fno-gcse option reasonably. I looked in the man page, but 
> don't see that option explicitly so perhaps the main thrust of the 
> optimisation approach is going wrong.

I don't know about FreeBSD 6.1's gcc 3.4.4, but the info page for gcc
3.4.6 (supplied with FreeBSD 6.3) explicitly mentions -fno-gcse.  It's
under the section "3.10 Options That Control Optimization".

$ info gcc option

will also find it.

Not sure if that helps you at all.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20081105143736.GA2880>