From: Adam Beneschan <adam@irvine.com>
Subject: Re: Address and bit mask
Date: Mon, 29 Aug 2011 12:54:36 -0700 (PDT)
Date: 2011-08-29T12:54:36-07:00 [thread overview]
Message-ID: <ce0b4e56-bad7-492a-a69b-91fe1262aaff@u6g2000prc.googlegroups.com> (raw)
In-Reply-To: 87fwkk0zv7.fsf@ludovic-brenta.org
On Aug 29, 12:41 pm, Ludovic Brenta <ludo...@ludovic-brenta.org>
wrote:
> milouz writes:
> > How do you make a binary operation (and, or, etc.) in Ada on an
> > Address type in a rather portable way ?
>
> You don't. Addresses are not portable at all, not even "rather".
>
> I'm curious. Why do you need bitwise operations on addresses?
The only case that makes to me is checking the low-order N bits (N=2
or 3 or something small like that) to make sure an address meets
certain alignment requirements. But System.Storage_Elements already
has a "mod" operation that works quite nicely for that. Perhaps
that's what the OP is looking for...?
-- Adam
next prev parent reply other threads:[~2011-08-29 19:54 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-29 15:46 Address and bit mask milouz
2011-08-29 16:06 ` Martin
2011-08-29 16:33 ` milouz
2011-08-29 17:47 ` Dmitry A. Kazakov
2011-08-29 17:54 ` Martin
2011-08-29 18:46 ` tmoran
2011-08-29 19:41 ` Ludovic Brenta
2011-08-29 19:54 ` Adam Beneschan [this message]
2011-08-30 9:14 ` milouz
2011-08-30 10:34 ` Ludovic Brenta
2011-08-30 10:58 ` Ludovic Brenta
2011-08-30 12:44 ` Georg Bauhaus
2011-08-30 14:04 ` Dmitry A. Kazakov
2011-08-30 16:12 ` Georg Bauhaus
2011-08-30 16:59 ` Dmitry A. Kazakov
2011-08-30 14:52 ` Adam Beneschan
2011-08-30 10:40 ` Simon Wright
2011-08-30 10:44 ` Simon Wright
2011-08-30 15:20 ` tmoran
2011-08-30 16:08 ` milouz
2011-08-30 16:45 ` Georg Bauhaus
2011-08-30 19:31 ` Adam Beneschan
2011-08-30 19:56 ` Dmitry A. Kazakov
2011-08-31 6:16 ` The simple Image issue (was: Address and bit mask) Georg Bauhaus
2011-08-31 14:44 ` The simple Image issue Dmitry A. Kazakov
2011-08-31 15:36 ` Georg Bauhaus
2011-08-31 15:53 ` Dmitry A. Kazakov
2011-08-31 16:23 ` Georg Bauhaus
2011-08-31 16:27 ` Dmitry A. Kazakov
2011-08-31 16:30 ` Georg Bauhaus
2011-08-31 16:50 ` Dmitry A. Kazakov
2011-08-31 20:41 ` Georg Bauhaus
2011-08-31 21:17 ` Robert A Duff
2011-09-01 7:36 ` Dmitry A. Kazakov
2011-09-01 7:46 ` Dmitry A. Kazakov
2011-09-01 9:50 ` Overloading parentheses and type expectations (was: The simple Image issue) Georg Bauhaus
2011-09-02 7:54 ` Overloading parentheses and type expectations Dmitry A. Kazakov
2011-09-02 10:37 ` Georg Bauhaus
2011-09-02 12:40 ` Dmitry A. Kazakov
2011-09-02 16:08 ` Georg Bauhaus
2011-09-02 17:29 ` Dmitry A. Kazakov
2011-08-31 15:53 ` The simple Image issue Hyman Rosen
2011-08-31 16:07 ` Dmitry A. Kazakov
2011-08-31 16:08 ` Simon Wright
2011-08-31 16:26 ` Dmitry A. Kazakov
2011-08-31 16:25 ` Georg Bauhaus
2011-08-31 16:30 ` Hyman Rosen
2011-08-31 16:34 ` Georg Bauhaus
2011-08-31 16:43 ` Adam Beneschan
2011-08-31 21:58 ` Georg Bauhaus
2011-09-01 7:59 ` Dmitry A. Kazakov
2011-08-31 16:08 ` The simple Image issue (was: Address and bit mask) Adam Beneschan
2011-08-31 16:53 ` The simple Image issue Simon Wright
2011-08-31 17:02 ` Hyman Rosen
2011-08-31 20:33 ` Georg Bauhaus
2011-08-30 19:37 ` Address and bit mask Martin
2011-08-30 16:32 ` Simon Wright
2011-08-31 7:55 ` Ludovic Brenta
2011-08-30 12:35 ` Georg Bauhaus
2011-08-30 13:03 ` Georg Bauhaus
2011-08-30 15:14 ` Adam Beneschan
2011-08-30 15:59 ` Adam Beneschan
2011-08-31 7:45 ` milouz
2011-08-31 8:35 ` Ludovic Brenta
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox