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From: Berke Durak <berke@altern.org>
To: caml-list@inria.fr
Subject: [Caml-list] Suggestion for Int32.rotate
Date: Tue, 5 Feb 2002 00:06:43 +0100	[thread overview]
Message-ID: <20020205000643.A31440@gogol.zorgol> (raw)

Hello,

I was attempting to implement some block ciphers, and I missed the following :

1) An Int32.rotate function that generates data-dependent
hardware rotates whenever possible (i.e. things like rol.l d0,d1)

2) A syntax extension (or extension to the standard syntax) for
entering Int32 and Int64 constants. 

3) A hack into Printf to remove the need to use Int32.format

I.e. better support for int32's. I understand that the Caml team does
not want people to use int32's (or int64's) by default. However a lot
of coding/crypto stuff, deserving to be ported to Caml, works with
32-bit ints and it would be good to be able to use them at full speed.

For example, the MD5 routine used in Digest.string could be efficiently
rewritten in Caml.
--
Berke


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             reply	other threads:[~2002-02-04 23:19 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-02-04 23:06 Berke Durak [this message]
2002-02-06 18:01 ` Xavier Leroy
2002-02-06 20:08   ` Daniel de Rauglaudre
2002-02-06 20:43     ` Frederic van der Plancke
2002-02-06 22:40       ` Chris Hecker
2002-02-07  1:07       ` Gerd Stolpmann
2002-02-07  3:05         ` Brian Rogoff
2002-02-07  3:25         ` Eric C. Cooper
2002-02-07 13:49         ` Thorsten Ohl
2002-02-07 13:55           ` Remi VANICAT
2002-02-07 16:32             ` [Caml-list] More syntax: _ in numbers, backquote infix op's Christian Lindig
2002-02-06 21:02   ` [Caml-list] integer types and their literals james woodyatt
2002-02-06 21:36   ` [Caml-list] Suggestion for Int32.rotate Berke Durak
2002-02-07  1:15 ` Gerd Stolpmann

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