From: Corey Ashford <yeroca@rocketmail.com>
Subject: Re: Question for the folks who designed Ada95
Date: 1999/04/29
Date: 1999-04-29T00:00:00+00:00 [thread overview]
Message-ID: <3727EC39.E460C803@rocketmail.com> (raw)
In-Reply-To: 7g6upj$v5c$1@nnrp1.dejanews.com
Robert Dewar wrote:
>
> In article <3726A2B1.5793E3BE@rocketmail.com>,
> Corey Ashford <yeroca@rocketmail.com> wrote:
> > I tried out this technique, by the way, on Apex. Works
> > like a champ and inlines exactly as you said.
>
> Note that there is no requirement at all that this work,
> but it is not surprising to find that it would work
> (accidentally? is it documented, I am not sure that it
> is properly documented for GNAT either come to think
> about it) since it is an obvious way of implementing
> things.
>
> All the more reason for the ARG to insist on it.
>
> There are issues of what types it can be applied to. Shift
> operations applied for example to non-binary modular types
> are quite a puzzle.
>
> In GNAT, we allow shifts to be applied to any signed or
> binary unsigned integer type whose size is 8, 16, 32, or
> 64 (i.e. natural machine sizes for which shifts make
> sense).
>
> It would be interesting to know what restrictions other
> compilers impose on this usage.
>
> -----------== Posted via Deja News, The Discussion Network ==----------
> http://www.dejanews.com/ Search, Read, Discuss, or Start Your Own
It seems to me that the way to handle it is the way
"and", "or", etc, were dealt with on non power-of-two modular
types. That is, do the operation, then do a mod operation
afterward.
I haven't tried a non power-of-two pragma import(intrinsic, ...)
yet. I'll try it and let you know what happens.
- Corey
next prev parent reply other threads:[~1999-04-29 0:00 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-04-26 0:00 Question for the folks who designed Ada95 Corey Ashford
1999-04-27 0:00 ` Matthew Heaney
1999-04-27 0:00 ` Corey Ashford
1999-04-28 0:00 ` Marin David Condic
1999-04-28 0:00 ` Robert A Duff
1999-04-28 0:00 ` Keith Thompson
1999-04-29 0:00 ` Robert A Duff
1999-04-27 0:00 ` Matthew Heaney
1999-04-27 0:00 ` Samuel Mize
1999-04-27 0:00 ` Samuel Mize
1999-04-27 0:00 ` Robert Dewar
1999-04-28 0:00 ` Corey Ashford
1999-04-28 0:00 ` Robert Dewar
1999-04-29 0:00 ` Corey Ashford
1999-04-29 0:00 ` Robert Dewar
1999-04-29 0:00 ` Fraser Wilson
1999-04-29 0:00 ` Robert Dewar
1999-04-29 0:00 ` Marin David Condic
1999-04-28 0:00 ` Samuel Mize
1999-04-28 0:00 ` Samuel Mize
1999-04-28 0:00 ` Corey Ashford
1999-04-28 0:00 ` Corey Ashford
1999-04-27 0:00 ` Robert Dewar
1999-04-27 0:00 ` Tarjei Tj�stheim Jensen
1999-04-27 0:00 ` Robert Dewar
1999-04-28 0:00 ` Corey Ashford
1999-04-28 0:00 ` Robert Dewar
1999-04-28 0:00 ` Robert A Duff
1999-04-28 0:00 ` Robert Dewar
1999-04-29 0:00 ` Robert A Duff
1999-04-29 0:00 ` Corey Ashford [this message]
1999-04-29 0:00 ` Corey Ashford
1999-04-29 0:00 ` Robert Dewar
1999-04-29 0:00 ` Geert Bosch
1999-04-29 0:00 ` Fraser Wilson
1999-04-29 0:00 ` Mark A Biggar
1999-04-30 0:00 ` Tucker Taft
1999-04-29 0:00 ` Tucker Taft
1999-04-29 0:00 ` Marin David Condic
1999-04-30 0:00 ` David Brown
1999-04-27 0:00 ` bill
1999-04-27 0:00 ` dennison
1999-04-27 0:00 ` Robert Dewar
1999-04-29 0:00 ` Robert A Duff
1999-04-27 0:00 ` Robert Dewar
1999-04-27 0:00 ` Al Christians
1999-04-27 0:00 ` Larry Kilgallen
1999-04-27 0:00 ` Al Christians
1999-04-28 0:00 ` Robert A Duff
1999-04-28 0:00 ` Robert Dewar
1999-04-29 0:00 ` Matthew Heaney
1999-04-29 0:00 ` Robert Dewar
1999-04-29 0:00 ` Jean-Pierre Rosen
1999-04-27 0:00 ` David Starner
1999-04-27 0:00 ` Robert Dewar
1999-04-27 0:00 ` David Starner
1999-04-28 0:00 ` Samuel Mize
1999-04-28 0:00 ` Robert Dewar
1999-04-28 0:00 ` Tarjei Tj�stheim Jensen
1999-04-28 0:00 ` Robert Dewar
1999-04-28 0:00 ` Robert A Duff
1999-04-29 0:00 ` Bill Ghrist
1999-04-29 0:00 ` Tarjei Tj�stheim Jensen
1999-04-28 0:00 ` dennison
1999-04-28 0:00 ` Robert Dewar
1999-04-28 0:00 ` Robert A Duff
1999-04-28 0:00 ` Brian Hanson
1999-04-28 0:00 ` bill
1999-04-29 0:00 ` Robert Dewar
1999-04-28 0:00 ` Pat Rogers
1999-04-29 0:00 ` Robert Dewar
1999-04-29 0:00 ` dennison
1999-04-29 0:00 ` Pat Rogers
1999-04-29 0:00 ` Robert S. White
1999-04-29 0:00 ` Robert Dewar
1999-04-30 0:00 ` Robert S. White
1999-04-30 0:00 ` dennison
1999-04-29 0:00 ` Robert Dewar
1999-04-30 0:00 ` Robert S. White
1999-04-30 0:00 ` Robert Dewar
1999-04-28 0:00 ` Larry Kilgallen
1999-04-28 0:00 ` Robert A Duff
1999-04-29 0:00 ` Question for the folks who designed Ad David Kristola
1999-04-29 0:00 ` Paul Duquennoy
1999-04-27 0:00 ` Question for the folks who designed Ada95 Larry Kilgallen
1999-04-29 0:00 ` Aidan Skinner
1999-04-30 0:00 ` Matthew Heaney
1999-04-27 0:00 ` Corey Ashford
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