Message-Id: <m0xx4Y7-000S2WC@inti.gov.ar>
Comments: Authenticated sender is <salvador AT natacha DOT inti DOT gov DOT ar>
From: "Salvador Eduardo Tropea (SET)" <salvador AT inti DOT gov DOT ar>
Organization: INTI
To: Sampo Niskanen <sampo AT lizard DOT compart DOT fi>, djgpp AT delorie DOT com
Date: Tue, 27 Jan 1998 09:38:00 +0000
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Subject: Re: Why only -O2?
In-reply-to: <6aijk6$4g6@news.xgw.fi>
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Sampo Niskanen <sampo AT lizard DOT compart DOT fi> wrote:

> Why do so many programs which come in sources on default use the option
> -O2 in their makefiles? Shouldn't -O3 optimize even more?
In addition to all the reasons that Andrew pointed I'll add:

1) -O3 generates huge exes, that's bad for normal distributions.
2) -O3 normally generates slower code for processors inferior that Pentium.
 
SET 
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