Path: csiph.com!weretis.net!feeder6.news.weretis.net!news.misty.com!news.iecc.com!.POSTED.news.iecc.com!nerds-end From: Derek Jones Newsgroups: comp.compilers Subject: Re: Where did "middle end" come from Date: Mon, 3 Jan 2022 20:07:33 +0000 Organization: Compilers Central Lines: 15 Sender: news@iecc.com Approved: comp.compilers@iecc.com Message-ID: <22-01-009@comp.compilers> References: <22-01-002@comp.compilers> <22-01-003@comp.compilers> <22-01-006@comp.compilers> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: gal.iecc.com; posting-host="news.iecc.com:2001:470:1f07:1126:0:676f:7373:6970"; logging-data="33911"; mail-complaints-to="abuse@iecc.com" Keywords: history Posted-Date: 03 Jan 2022 15:52:53 EST X-submission-address: compilers@iecc.com X-moderator-address: compilers-request@iecc.com X-FAQ-and-archives: http://compilers.iecc.com In-Reply-To: <22-01-006@comp.compilers> Content-Language: en-US Xref: csiph.com comp.compilers:2791 Chris, > Derek Jones recollection of its usage at Intermetrics with a possible > connection to the PQCC work done at CMU sounds quite plausible. Many The CHILL compiler team was huge, by compiler standards. We actually had front-end, middle-end, and back-end teams. I have not since worked on a compiler project with this exact explicit breakdown (which was probably driven by the division of multi-company labor). I know there were earlier compilers at Intermetrics that had a middle-end concept. Tony Flanders knows a lot of history and might be able to say where the term originated: http://www.whysheep.com/i2/daf-history2.html