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From: joe@petsd.UUCP (Joe Orost)
Newsgroups: net.lang.c
Subject: Re: Breaking out - the ratfor approach
Message-ID: <370@petsd.UUCP>
Date: Mon, 29-Oct-84 09:06:47 EST
Article-I.D.: petsd.370
Posted: Mon Oct 29 09:06:47 1984
Date-Received: Tue, 30-Oct-84 01:11:46 EST
References: <2122@usceast.UUCP>, <169@desint.UUCP>
Organization: Perkin-Elmer DSG, Tinton Falls, N.J.
Lines: 20

<>
>So tell me, folks:  do *you* have a global data flow analysis algorithm that
>works in the presence of unrestricted goto's?
>-- 
>	Geoff Kuenning
>	First Systems Corporation
>	...!ihnp4!trwrb!desint!geoff

Yes, we have had one since 1978 in our FORTRAN VII O compiler.  Any decent
global optimizer works on the program after all loops, block ifs, etc. have 
been changed into GOTOs.  We even remove loop invarients from GOTO loops.

					regards,
					joe

--
Full-Name:  Joseph M. Orost
UUCP:       ..!{decvax,ucbvax,ihnp4}!vax135!petsd!joe
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