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    SubjectRe: Compiling 2.2.19 with -O3 flag
    On Fri, May 24, 2002 at 09:54:04AM -0700, Robert Love wrote:
    > On Fri, 2002-05-24 at 09:45, Marcus Meissner wrote:
    > > > Heh, now that is interesting.
    > >
    > > Not really, -Os implies -O2, cf gcc/toplev.c:
    > Well, according to Alan -Os outperforms -O2. So either the code is
    > smaller _and_ faster - and that is surely interesting - or the code is
    > _not_ smaller and -Os is a misnomer. Seems interesting to me.

    -Os implies -O2 + additional size-reducing features:

    [hch@sb hch]$ grep -r optimize_size /work/people/hch/gcc/gcc | wc -l
    [hch@sb hch]$

    A bunch of matches are in ChangeLog and most are target-specific,
    but I guess you got the point..

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