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Date: Thu, 19 Apr 2007 00:05:53 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
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Subject: Re: [Xenomai-core] [BUG] target width of shifts on 64 bits
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To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: xenomai-core <xenomai@xenomai.org>

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Gilles Chanteperdrix wrote:
> Jan Kiszka wrote:
>  > Gilles Chanteperdrix wrote:
>  > > Philippe Gerum wrote:
>  > >  > - the posix registry
>  > >=20
>  > > Is it enough to replace 1 << (fd % BITS_PER_LONG)=20
>  > > with 1L << (fd % BITS_PER_LONG) ?
>  > >=20
>  >=20
>  > Yes, of course!
>=20
> But ffs on x86_64 takes an int as argument, not a long. So, my best
> option is to replace BITS_PER_LONG with 32 and work with ints instead o=
f
> longs.

Or we switch to __ffs, which operates on ulong.


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