From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.5-pre1 (2020-06-20) on ip-172-31-74-118.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-1.9 required=3.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.5-pre1 Date: 27 May 93 21:47:41 GMT From: agate!howland.reston.ans.net!usc!cs.utexas.edu!csc.ti.com!tilde.csc.ti.co m!mksol!mccall@ucbvax.Berkeley.EDU (fred j mccall 575-3539) Subject: Re: verdix kisses off Ada Message-ID: <1993May27.214741.1967@mksol.dseg.ti.com> List-Id: In <1993May24.220351.22467@fcom.cc.utah.edu> val@fcom.cc.utah.edu (Val Kartchne r) writes: >As demonstrated by the GNAT project, even if the frontend of a compiler is >written from scratch, the same backend(s) can be used. These backends >include code-generators, optimizers, and debuggers. All of DEC's compiled >languages on VAX/VMS use the same debugger. It is even rumored (because >I haven't had sufficient confirmation) that all of these languages use the >same code-generators and optimizers. They do (or did -- don't know if they still do, since I haven't messed much with VAXen in a while). There used to be an optimizer bug on certain types of loop constructs -- and it was broken in Pascal and FORTRAN, both. -- "Insisting on perfect safety is for people who don't have the balls to live in the real world." -- Mary Shafer, NASA Ames Dryden ------------------------------------------------------------------------------ Fred.McCall@dseg.ti.com - I don't speak for others and they don't speak for me.