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

From: Richard Kenner
Subject: Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
Date: Sun, 31 Dec 2006 09:08:21 EST

> In fact the wrap around range test is a standard idiom for "hand
> optimization" of range tests.

It's also one that GCC uses internally, but you do it in *unsigned* to
avoid the undefined overflow.

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