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Date:      Wed, 15 Mar 2000 13:52:05 -0800
From:      "David O'Brien" <obrien@FreeBSD.ORG>
To:        Dan Nelson <dnelson@emsphone.com>
Cc:        current@FreeBSD.ORG
Subject:   Re: gcc -Os optimisation broken (RELENG_4)
Message-ID:  <20000315135205.C60742@dragon.nuxi.com>
In-Reply-To: <20000315105155.A9533@dan.emsphone.com>; from dnelson@emsphone.com on Wed, Mar 15, 2000 at 10:51:55AM -0600
References:  <38CF48CF.59A100D7@altavista.net> <20000315105155.A9533@dan.emsphone.com>

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On Wed, Mar 15, 2000 at 10:51:55AM -0600, Dan Nelson wrote:
> I get it with -O2 (-Os implies -O2, so it's probably the same problem). 

Not quite.  -0s ==> all the -O2 optimizations that do not increase code
size.  -Os can also perform other optimizations not part of -O2 that
decrease code size.  The -Os ==> -O2 only tells you how "risky" in
optimizing -Os is willing to be.
 
-- 
-- David    (obrien@NUXI.com)


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