Date: Wed, 7 Feb 2007 10:20:34 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-current@freebsd.org Cc: Luigi Rizzo <rizzo@icir.org> Subject: Re: C macro to find the next power of 2 ? Message-ID: <200702071020.34656.hselasky@c2i.net> In-Reply-To: <20070207004131.A62183@xorpc.icir.org> References: <20070207004131.A62183@xorpc.icir.org>
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Hi Luigi, Why don't you hardcode the structures with the correct alignment, and maybe you find the __align() macro useful. What you are discovering is an old issue. Hardware structures must be indexable without addition. --HPS
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