Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cmcl2!phri!marob!cowan
From: cowan@marob.masa.com (John Cowan)
Newsgroups: comp.lang.c
Subject: Re: What looks efficient may not be
Keywords: efficiency, increment operator
Message-ID: <719@marob.masa.com>
Date: 31 May 89 20:10:21 GMT
References: <7703@saturn.ucsc.edu> <9146@csli.Stanford.EDU>
Reply-To: cowan@marob.masa.com (John Cowan)
Distribution: usa
Organization: ESCC  New York City
Lines: 15

In article <9146@csli.Stanford.EDU> poser@csli.Stanford.EDU (Bill Poser) writes:
[in reference to two loops, one of which pre-increments a variable,
and the other post-increments a variable, and nothing else]

>Of course, a smart compiler will recognize that in these examples
>the value of i is never used and will not bother with the save.
>

A >really< smart compiler would recognize that the loops don't do anything
at all, and kill them both!
-- 
John Cowan <cowan@marob.masa.com> or <cowan@magpie.masa.com>
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Aiya elenion ancalima!