From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,be7fa91648ac3f12 X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news1.google.com!newsread.com!news-xfer.newsread.com!newspeer.monmouth.com!newsfeed.icl.net!newsfeed.fjserv.net!feed.news.tiscali.de!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: "Alex R. Mosteo" Newsgroups: comp.lang.ada Subject: Re: Large arrays (again), problem case for GNAT Date: Wed, 13 Apr 2005 15:24:14 +0200 Message-ID: <425D1D7E.1090602@mailinator.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net tXY+Rkx2VkLPzAaBdw6y6A6T0nwdP5r7Cb6qIrSc/sDqzvbt0= User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050317) X-Accept-Language: en-us, en In-Reply-To: Xref: g2news1.google.com comp.lang.ada:10418 Date: 2005-04-13T15:24:14+02:00 List-Id: Larry Kilgallen wrote: > In article , "Dr. Adrian Wrigley" 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 ? Somewhere 3.15p is mentioned.