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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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