From: Kilgallen@SpamCop.net (Larry Kilgallen)
Subject: Re: Large arrays (again), problem case for GNAT
Date: 13 Apr 2005 08:10:49 -0500
Date: 2005-04-13T08:10:49-05:00 [thread overview]
Message-ID: <UZr8IxuTMJr6@eisner.encompasserve.org> (raw)
In-Reply-To: pan.2005.04.13.12.46.52.518681@linuxchip.demon.co.uk.uk.uk
In article <pan.2005.04.13.12.46.52.518681@linuxchip.demon.co.uk.uk.uk>, "Dr. Adrian Wrigley" <amtw@linuxchip.demon.co.uk.uk.uk> writes:
> Hi guys!
>
> A month or two back I hinted that I had been having problems
> the GNAT code accessing large data structures. It seemed that
> incorrect code was silently being generated. Since I didn't
> have a test case available, no progress could be made.
>
> I have encountered the problem again, and produced a test case.
>
> In summary:
>
> Certain uses of arrays over about 800MB cause code to fail.
> In particular, 'Address is sometimes incorrect
> Accessing high elements is incorrect, depending on exact code to
> generate the index.
>
> The problems only seem to occur if the upper bound of the array
> is compile-time constant.
>
> Can someone test this on later versions of GNAT please?
Later than what ?
next prev parent reply other threads:[~2005-04-13 13:10 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-13 12:46 Large arrays (again), problem case for GNAT Dr. Adrian Wrigley
2005-04-13 13:10 ` Larry Kilgallen [this message]
2005-04-13 13:24 ` Alex R. Mosteo
2005-04-13 13:31 ` Marc A. Criley
2005-04-13 19:52 ` Jeffrey Carter
2005-04-13 19:54 ` Randy Brukardt
2005-04-13 22:01 ` (see below)
2005-04-14 0:16 ` Robert A Duff
2005-04-14 1:11 ` Alexander E. Kopilovich
2005-04-14 7:29 ` Dmitry A. Kazakov
2005-04-14 7:45 ` Duncan Sands
[not found] ` <1113464720.9829.20.camel@localhost.localdomain>
2005-04-14 13:59 ` Marius Amado Alves
2005-04-14 14:09 ` Dr. Adrian Wrigley
2005-04-14 14:40 ` (see below)
[not found] ` <389d1596e98f95f0fdddc40afc0647b7@netcabo.pt>
2005-04-14 14:14 ` Duncan Sands
2005-04-14 15:18 ` Robert A Duff
2005-04-14 15:24 ` Robert A Duff
2005-04-15 5:21 ` Randy Brukardt
2005-04-15 11:49 ` Dr. Adrian Wrigley
2005-04-15 13:21 ` Dmitry A. Kazakov
2005-04-15 14:31 ` Dr. Adrian Wrigley
2005-04-15 14:57 ` Dmitry A. Kazakov
2005-04-14 15:39 ` Dr. Adrian Wrigley
2005-04-14 15:48 ` Dmitry A. Kazakov
2005-04-14 21:19 ` Robert A Duff
2005-04-15 8:23 ` Dmitry A. Kazakov
2005-04-15 8:38 ` Duncan Sands
2005-04-15 9:16 ` Dmitry A. Kazakov
2005-04-15 18:30 ` Mark Lorenzen
2005-04-15 19:06 ` Robert A Duff
[not found] ` <iSSDSN2L04G1@VB1162.spb.edu>
2005-04-14 7:34 ` Duncan Sands
2005-04-13 22:35 ` Robert A Duff
2005-04-14 11:40 ` Dr. Adrian Wrigley
2005-04-14 10:44 ` Dr. Adrian Wrigley
2005-04-14 15:03 ` Robert A Duff
2005-04-14 16:46 ` Dmitry A. Kazakov
2005-04-14 18:30 ` Pascal Obry
2005-04-14 19:45 ` Dmitry A. Kazakov
-- strict thread matches above, loose matches on Subject: below --
2005-04-13 13:52 Duncan Sands
2005-04-13 14:20 ` Dr. Adrian Wrigley
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