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From: Robert Dewar <robert_dewar@my-deja.com>
Subject: Re: Ada Core Technologies announces GNATCOM
Date: 2000/04/15
Date: 2000-04-15T00:00:00+00:00	[thread overview]
Message-ID: <8d9r1g$445$1@nnrp1.deja.com> (raw)
In-Reply-To: wcchfd57nbn.fsf@world.std.com

In article <wcchfd57nbn.fsf@world.std.com>,
  Robert A Duff <bobduff@world.std.com> wrote:
> So remind me: what is "unsupportable" about the design of
C_Pass_By_Copy
> (other than the fact that we wish it didn't have to exist at
all)?


The form with a pragma that says small structures should be
passed by copy, and large ones by reference. This is inspired
by the standard C convention at the implementation level of
passing small records in registers, and large registers by
address of a copy. But the pragma is about semantics not
about implementation, so it is very confused


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  reply	other threads:[~2000-04-15  0:00 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-04-07  0:00 Ada Core Technologies announces GNATCOM Robert Dewar
2000-04-07  0:00 ` Ted Dennison
2000-04-07  0:00 ` Vladimir Olensky
2000-04-08  0:00   ` Robert Dewar
2000-04-08  0:00 ` tmoran
2000-04-08  0:00   ` Robert Dewar
2000-04-09  0:00     ` tmoran
2000-04-09  0:00       ` Robert Dewar
2000-04-09  0:00       ` Larry Kilgallen
2000-04-09  0:00         ` Robert Dewar
2000-04-09  0:00         ` Robert Dewar
2000-04-09  0:00         ` tmoran
2000-04-09  0:00         ` Marin D. Condic
2000-04-09  0:00           ` Brian Rogoff
2000-04-09  0:00             ` David Starner
2000-04-10  0:00               ` Gisle S�lensminde
2000-04-10  0:00                 ` Hyman Rosen
2000-04-11  0:00                   ` Gisle S�lensminde
2000-04-11  0:00                     ` Hyman Rosen
2000-04-10  0:00             ` Marin D. Condic
2000-04-11  0:00         ` Tucker Taft
2000-04-09  0:00     ` tmoran
2000-04-12  0:00       ` Robert Dewar
2000-04-12  0:00         ` C_Pass_By_Value, was " tmoran
2000-04-12  0:00         ` Tarjei T. Jensen
2000-04-12  0:00           ` David Botton
2000-04-12  0:00             ` Robert Dewar
2000-04-12  0:00               ` David Botton
2000-04-12  0:00                 ` Hyman Rosen
2000-04-12  0:00                   ` David Botton
2000-04-13  0:00                     ` Robert Dewar
2000-04-14  0:00                       ` Geoff Bull
2000-04-14  0:00                         ` dale
2000-04-13  0:00                     ` Tarjei T. Jensen
2000-04-13  0:00                 ` Robert Dewar
2000-04-12  0:00               ` DuckE
2000-04-13  0:00                 ` Robert Dewar
2000-04-12  0:00           ` Robert Dewar
2000-04-12  0:00             ` Robert A Duff
2000-04-13  0:00               ` Robert Dewar
2000-04-13  0:00                 ` Robert A Duff
2000-04-15  0:00                   ` Robert Dewar [this message]
2000-04-08  0:00   ` David Botton
2000-04-08  0:00 ` Tom Hargraves
2000-04-08  0:00   ` David
2000-04-08  0:00   ` David Starner
2000-04-08  0:00   ` Robert Dewar
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