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Date:      Mon, 18 Oct 2004 20:35:16 +0300
From:      Ruslan Ermilov <ru@freebsd.org>
To:        "David E. O'Brien" <obrien@freebsd.org>
Cc:        cvs-all@freebsd.org
Subject:   Re: cvs commit: src/lib/libc/i386/net htonl.S ntohl.S
Message-ID:  <20041018173516.GB89681@ip.net.ua>
In-Reply-To: <200410181719.i9IHJa9l097436@repoman.freebsd.org>
References:  <200410181719.i9IHJa9l097436@repoman.freebsd.org>

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On Mon, Oct 18, 2004 at 05:19:36PM +0000, David E. O'Brien wrote:
> obrien      2004-10-18 17:19:36 UTC
>=20
>   FreeBSD src repository
>=20
>   Modified files:
>     lib/libc/i386/net    htonl.S ntohl.S=20
>   Log:
>   Sync with sys/i386/include/endian.h: use the single instruction 'bswap'.
>  =20
>   Revision  Changes    Path
>   1.10      +4 -0      src/lib/libc/i386/net/htonl.S
>   1.10      +4 -0      src/lib/libc/i386/net/ntohl.S
=20
:  ENTRY(__htonl)
:         movl    4(%esp),%eax
: +#ifdef I386_CPU
:         xchgb   %al,%ah
:         roll    $16,%eax
:         xchgb   %al,%ah
: +#else
: +       bswap   %eax
: +#endif
:         ret

Ahem, but this makes this code unsuitable for i386.  I386_CPU
is only defined if kernel config file has "cpu I386_CPU", and
this has little relation to libc if at all.


Cheers,
--=20
Ruslan Ermilov
ru@FreeBSD.org
FreeBSD committer

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