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Mail Archives: djgpp/1997/04/04/03:54:21

From: David Jenkins <me AT jenkinsdavid DOT demon DOT co DOT uk>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Simple 32-bit question.
Date: Fri, 4 Apr 1997 05:01:19 +0100
Organization: None
Distribution: world
Message-ID: <If7deCAP0HRzEwNd@jenkinsdavid.demon.co.uk>
References: <33344E79 DOT 7D52 AT ix DOT netcom DOT com> <3334969b DOT 455274 AT news DOT demon DOT co DOT uk>
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

In article <3334969b DOT 455274 AT news DOT demon DOT co DOT uk>, "Alaric B. Williams"
<alaric AT abwillms DOT demon DOT co DOT uk> writes
>What optimisation setting are you using?
>
>Try putting "-O3 -fomit-frame-pointer -ffast-math -fstrength-reduce"
>on the gcc command line like so:
>
>gcc my.c -o my -O3 -fomit-frame-pointer -ffast-math
>-fstrength-reduce
I thought that -O1 to -O3 switched on the -f optimisations in stages.
Does this mean that to get the maximum optimisation we should turn all
these -f switches on too???   (I know RTFM ;-)
>
>ABW
>--
>"Plug and Play support: WfEWAD will autodetect any installed
>Nuclear Arsenals, Laser Satellites, Battlefield Control Networks,
>Radar Installations, Fighter Squadrons, and other WfEWAD compliant
>devices, including the new Macrosoft Unnatural Keyboard, with
>full support for the now-famous Big Red Buttom(tm)."
BTW shouldn't that be Bottom??? ;-)
>
>(Windows for Early Warning and Defence User's manual P26)
>
>Alaric B. Williams Internet : alaric AT abwillms DOT demon DOT co DOT uk
><A HREF="http://www.abwillms.demon.co.uk/">Hello :-)</A>

-- 
http://www.jenkinsdavid.demon.co.uk for Newbie C programers and a larf. ;-)
David Jenkins

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