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Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."

From: Steven Bosscher
Subject: Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
Date: Sun, 31 Dec 2006 09:47:25 +0100

On 12/31/06, Paul Eggert <address@hidden> wrote:
Also, as I understand it this change shouldn't affect gcc's
SPEC benchmark scores, since they're typically done with -O3
or better.

It's not all about benchmark scores.  I think most users compile at
-O2 and they also won't understand why they get a performance drop on
their code.

You say you doubt it affects performance.  Based on what?  Facts
please, not guesses and hand-waiving...


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