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=-0.3 required=5.0 tests=BAYES_00,FREEMAIL_FROM, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: 103376,382fcf8feeefdd50 X-Google-Attributes: gid103376,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII Path: g2news2.google.com!news4.google.com!feeder.news-service.com!news.motzarella.org!motzarella.org!not-for-mail From: CBFalconer Newsgroups: comp.lang.ada,comp.lang.c Subject: Re: computer language used to program Mars Lander Date: Tue, 22 Jul 2008 17:11:05 -0400 Organization: Ched Research http://cbfalconer.home.att.net Message-ID: <48864CE9.BC825D67@yahoo.com> References: <185ee7f9-9d4f-4f49-8dbe-6b623b8a8223@c58g2000hsc.googlegroups.com> <887fc0a7-0a5a-4d2e-a9ea-eb9e32d6a818@m36g2000hse.googlegroups.com> <13a2f4f0-6ec1-4570-b6bf-1621cfb32db2@a2g2000prm.googlegroups.com> <4880f2ed$1_6@news.bluewin.ch> <1c421bda-5526-42e5-9a3f-96cb33bf86a0@k13g2000hse.googlegroups.com> Reply-To: cbfalconer@maineline.net Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: feeder.motzarella.org U2FsdGVkX1/pw8hZY4Cy+0vMtr1YDPKqkzeIKtsxB9eIvxJbHUlv+Lmgq2p6HqLusZOP15MXKhyxm2D19yeo6VQTpHQ/NDX6UBo2mvL+5mo2Vff+TK5A1yTa1XJSXDTs/JG+ISW4EskVlZiued5x8w== X-Complaints-To: Please send complaints to abuse@motzarella.org with full headers NNTP-Posting-Date: Tue, 22 Jul 2008 21:59:54 +0000 (UTC) X-Mailer: Mozilla 4.75 [en] (Win98; U) X-Accept-Language: en X-Auth-Sender: U2FsdGVkX19qZkVzfCaZtp1aHAGZyH/9n66b1OVFh2YbD3DFLY8r8g== Cancel-Lock: sha1:P5Vpt5OLcPmueVNREYJgjjHI/7I= Xref: g2news2.google.com comp.lang.ada:6990 comp.lang.c:70664 Date: 2008-07-22T17:11:05-04:00 List-Id: Jean-Pierre Rosen wrote: > Nick Keighley a �crit : >> Jean-Pierre Rosen wrote: >>> Gautier a �crit : >> >> >> >>>> [this] comes from the time of non-optimizing compilers for PC's >>>> - around 20 years ago. At that time a i++ was faster than a >>>> i:= i + 1, sure. But it was long long time ago. >>>> >>>> Never heard of GCC ?... >>> >>> When I started working on a (Pascal) compiler, this optimization >>> was the first one I introduced in the compiler, because it was >>> the easiest one to do. And it was 30 years ago... >> >> Pascal has a ++ operator? > > No, I was refering to optimizing I := I+1 into a single "Inc" > machine instruction. ISO Standard Pascal has no 'inc' instruction. Some non-standard abortions do. However those abortions also omit critical portions of the standard, such as f^ and the put and get functions. There is more. -- [mail]: Chuck F (cbfalconer at maineline dot net) [page]: Try the download section.