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


From: Andreas Schwab
Subject: Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
Date: Sun, 31 Dec 2006 11:02:55 +0100
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.91 (gnu/linux)

Bernd Schmidt <address@hidden> writes:

> I must admit I don't know what an integer with padding bits would look
> like.  Can someone check what the C standard has to say about the bit-not
> operator?

All arithmethic operations operate only on the value bits and ignore the
padding bits.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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