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Re: [PATCH v2] Add bit operations util header - Mailing list pgsql-hackers

From Florian Weimer
Subject Re: [PATCH v2] Add bit operations util header
Date
Msg-id 82k53t3an6.fsf@mid.bfk.de
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In response to [PATCH v2] Add bit operations util header  (Jeremy Kerr <jk@ozlabs.org>)
Responses Re: [PATCH v2] Add bit operations util header  (Jeremy Kerr <jk@ozlabs.org>)
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* Jeremy Kerr:

> +#if defined(__GNUC__) && \
> +    (defined(__ppc__) || defined(__powerpc__) || \
> +     defined(__ppc64__) || defined (__powerpc64__))

If you require GCC anyway, you can use __builtin_clz instead.
(It's been available since GCC 4.1 at least.)

--
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99

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