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 autolearn=unavailable autolearn_force=no version=3.4.4 Path: buffer2.nntp.dca1.giganews.com!border2.nntp.dca1.giganews.com!nntp.giganews.com!newspeer1.nac.net!newsfeed.xs4all.nl!newsfeed1a.news.xs4all.nl!xs4all!news.stack.nl!eternal-september.org!feeder.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Simon Clubley Newsgroups: comp.lang.ada Subject: Re: Forcing GNAT to use 32-bit load/store instructions on ARM? Date: Tue, 1 Jul 2014 20:55:00 +0000 (UTC) Organization: A noiseless patient Spider Message-ID: References: <0e0b9ac2-e793-4cc5-8d8d-d3441ca28a58@googlegroups.com> Injection-Date: Tue, 1 Jul 2014 20:55:00 +0000 (UTC) Injection-Info: mx05.eternal-september.org; posting-host="e458ff8b81bc0c159989eb0e36c6e372"; logging-data="19484"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1864cK0txbna/L0fj7bgtvdpkizTM6ehb8=" User-Agent: slrn/0.9.8.1 (VMS/Multinet) Cancel-Lock: sha1:UhiVwPRaWlhG6wWrU6bG+a6PSq4= Xref: number.nntp.dca.giganews.com comp.lang.ada:187319 Date: 2014-07-01T20:55:00+00:00 List-Id: On 2014-07-01, Simon Clubley wrote: > On 2014-07-01, daniel.dmk@googlemail.com wrote: >> >> So could there be a problem with GNAT's Atomic on ARM? >> > > Yes, big time. > > The Atomic pragma is making a guarantee which is not being honoured by > the gcc ARM code generator. > And before anyone pulls me up on it :-), I know it's not a pragma any more, but Ada 2012 is still on my list to things to look at (along with lots of other projects all competing for my spare time. :-)) Simon. -- Simon Clubley, clubley@remove_me.eisner.decus.org-Earth.UFP Microsoft: Bringing you 1980s technology to a 21st century world