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=unavailable autolearn_force=no version=3.4.4 X-Received: by 10.129.125.212 with SMTP id y203mr13497204ywc.52.1503357595287; Mon, 21 Aug 2017 16:19:55 -0700 (PDT) X-Received: by 10.36.123.21 with SMTP id q21mr517656itc.2.1503357595213; Mon, 21 Aug 2017 16:19:55 -0700 (PDT) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!nntp-feed.chiark.greenend.org.uk!ewrotcd!news.etla.org!feeder.erje.net!2.us.feeder.erje.net!weretis.net!feeder6.news.weretis.net!feeder.usenetexpress.com!feeder-in1.iad1.usenetexpress.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!e2no1125262qta.1!news-out.google.com!c139ni2011itb.0!nntp.google.com!m81no1960889itb.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Mon, 21 Aug 2017 16:19:54 -0700 (PDT) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=2a02:1205:5055:3750:6d5d:f735:12e3:f2d; posting-account=gRqrnQkAAAAC_02ynnhqGk1VRQlve6ZG NNTP-Posting-Host: 2a02:1205:5055:3750:6d5d:f735:12e3:f2d References: User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <30f25a94-fc6d-4663-9405-d4d8601d6681@googlegroups.com> Subject: Re: Modern optimizing compilers From: gautier_niouzes@hotmail.com Injection-Date: Mon, 21 Aug 2017 23:19:55 +0000 Content-Type: text/plain; charset="UTF-8" Xref: news.eternal-september.org comp.lang.ada:47776 Date: 2017-08-21T16:19:54-07:00 List-Id: You can compile a package containing a test procedure putting 123 into an Integer field of a record (tagged or not) and look at the assembler output. With GNAT it's gcc -S -O2 test_pkg.adb NB: the procedure probably needs to feed then an "out" parameter to prevent the compiler optimizing out completely the assignment with 123. Gautier _____________________________________________________________ A free online game in Ada: http://pasta.phyrama.com/game.html