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

From: Gerald Pfeifer
Subject: Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
Date: Sun, 31 Dec 2006 16:55:31 +0100 (CET)

On Sun, 31 Dec 2006, Robert Dewar wrote:
> If you do it in signed expecting wrapping, then the optimization
> destroys your code. Yes, it is technically your fault, but this
> business of telling users
> "sorry, your code is non-standard, gcc won't handle it as you
> expect, go fix your code"

My understanding of previous messages in this thread was that other
compilers (like ICC) do enable the optimization we are talking about
here by default.

Did I misunderstand?


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