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From: dvdeug@x8b4e53cd.dhcp.okstate.edu (David Starner)
Subject: Re: Or
Date: 2000/01/31
Message-ID: <874qsl$a2g1@news.cis.okstate.edu>#1/1
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References: <vhioga2t8wa.fsf@ljod.ifi.uio.no>
Organization: Oklahoma State University
User-Agent: slrn/0.9.6.2 (Linux)
Reply-To: dstarner98@aasaa.ofe.org
Newsgroups: comp.lang.ada
Date: 2000-01-31T00:00:00+00:00
List-Id: <comp.lang.ada>

On 31 Jan 2000 19:04:37 +0100, Jan Kroken <jankr@nntp.ifi.uio.no> wrote:
>
>I need bitwise or on Interfaces.C.Int. I couldn't find any
>direct or operator in Ada, so I wrote the following:
[Code and stuff]
>
>But how do I implement bit or so that the compiler
>will generate orl instead?

If you really want it to use orl, use a machine code insertion
and specifically put orl there. (Cf. GNAT Refrence Manual on
the rather hairy specifics.) It's not portable, and the Ada
solution (as posted by others) is better, but if you're really
concerned about that level, nothing can be beat writting it
at that level.

-- 
David Starner - dstarner98@aasaa.ofe.org
If you wish to strive for peace of soul then believe; 
if you wish to be a devotee of truth, then inquire.
   -- Friedrich Nietzsche