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

* Jeremy Kerr:

> Florian,
>
>> > +#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.)
>
> Because now we have to test the compiler *and* the version as well?

This builtin is not architecture-specific, so you'd save the
architecture check.

--
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
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