From: Marin David Condic <nobody@noplace.com>
Subject: Re: Enumeration representation
Date: Sat, 03 Jan 2004 13:42:22 GMT
Date: 2004-01-03T13:42:22+00:00 [thread overview]
Message-ID: <3FF6C6AB.7070800@noplace.com> (raw)
In-Reply-To: pylJb.142$uA5.88151091@newssvr11.news.prodigy.com
Well, in the places where it is done in my project, it is typically
there because someone wants to guarantee that the object(s) in question
will be properly represented & understood on I/O. When the testing folks
look at it with the monitor, there is info available to the monitor and
the human tester to determine how to interpret the zeros and ones. The
tools (and people) might one day be modified to understand that no rep
clause means start counting from zero - but I won't hold my breath. ;-)
If the compiler can recognize it as a special case & not generate ugly
code, maybe we're all right. I'd have to go get someone to check the
compiler output - but at this time we're not pressed for CPU cycles, so
it sort of falls into the category of "why bother"? (other than
intellectual curiosity.)
MDC
Pat Rogers wrote:
>
> Still, I think it is bad form to put them in when no longer required,
> just in case your compiler does not recognize that nothing is changed.
> The resulting code generated can be really ugly (in terms of
> performance).
>
--
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Marin David Condic
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next prev parent reply other threads:[~2004-01-03 13:42 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-01 20:44 Enumeration representation Luke A. Guest
2004-01-01 21:45 ` Stephen Leake
2004-01-01 22:01 ` Luke A. Guest
2004-01-02 1:17 ` tmoran
2004-01-02 1:29 ` Stephen Leake
2004-01-02 3:10 ` Luke A. Guest
2004-01-02 2:46 ` Robert A Duff
2004-01-02 3:12 ` Luke A. Guest
2004-01-02 13:58 ` Marin David Condic
2004-01-02 21:39 ` Pat Rogers
2004-01-03 13:42 ` Marin David Condic [this message]
2004-01-03 1:53 ` Robert A Duff
2004-01-02 20:52 ` Randy Brukardt
2004-01-02 21:05 ` Luke A. Guest
-- strict thread matches above, loose matches on Subject: below --
1999-09-10 0:00 Alex
1999-09-10 0:00 ` Ted Dennison
1999-09-10 0:00 ` Robert Dewar
1999-09-13 0:00 ` Ted Dennison
1999-09-10 0:00 ` David C. Hoos, Sr.
1999-09-10 0:00 ` Robert Dewar
1999-09-10 0:00 ` Matthew Heaney
1999-09-10 0:00 ` Robert Dewar
1999-09-10 0:00 ` Keith Thompson
1999-09-11 0:00 ` Robert Dewar
1999-09-11 0:00 ` Keith Thompson
1999-09-12 0:00 ` Bryce Bardin
1999-09-13 0:00 ` Robert Dewar
1999-09-13 0:00 ` Keith Thompson
1999-09-13 0:00 ` Robert Dewar
1999-09-12 0:00 ` Keith Thompson
1999-09-13 0:00 ` Robert Dewar
1999-09-13 0:00 ` Ted Dennison
1999-09-13 0:00 ` Keith Thompson
1999-09-14 0:00 ` Robert Dewar
1999-09-13 0:00 ` Robert A Duff
1999-09-13 0:00 ` Robert Dewar
1999-09-13 0:00 ` Alex
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