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From: daveb@geac.UUCP
Newsgroups: comp.unix.questions
Subject: Re: Wierd Compilers
Message-ID: <1787@geac.UUCP>
Date: Fri, 6-Nov-87 09:05:45 EST
Article-I.D.: geac.1787
Posted: Fri Nov  6 09:05:45 1987
Date-Received: Sun, 8-Nov-87 08:42:17 EST
References: <367@white.gcm> <18964@amdcad.AMD.COM>
Reply-To: daveb@geac.UUCP (Dave Collier-Brown)
Organization: The little blue rock next to that twinkly star.
Lines: 16
Keywords: Sun
Summary: Does not follow....

In article <18964@amdcad.AMD.COM> tim@amdcad.UUCP (Tim Olson) writes:
> [a discussion of the code generated by while(i--) and while (--i)
>This is yet another reason to use pre-decrement over post-decrement when
>all that is wanted is the side-effect of decrementing, and the return
>value is thrown away.
>
>	-- Tim Olson

  Er, don't you mean "when the return value **isn't** thrown away?
My compiler generates identical code for --i; and i--; when they're
independent statements, because they have the same semantics.
-- 
 David Collier-Brown.                 {mnetor|yetti|utgpu}!geac!daveb
 Geac Computers International Inc.,   |  Computer Science loses its
 350 Steelcase Road,Markham, Ontario, |  memory (if not its mind)
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