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From: guy@gorodish.UUCP
Newsgroups: comp.lang.c
Subject: Re: induction variable optimization
Message-ID: <12910@sun.uucp>
Date: Sun, 8-Feb-87 19:08:20 EST
Article-I.D.: sun.12910
Posted: Sun Feb  8 19:08:20 1987
Date-Received: Mon, 9-Feb-87 04:52:25 EST
References: <182@ndmath.UUCP> <5603@brl-smoke.ARPA>
Sender: news@sun.uucp
Reply-To: guy@sun.UUCP (Guy Harris)
Organization: Sun Microsystems, Mountain View
Lines: 8

>So long as an optimization is guaranteed never to alter program semantics,
>it really should be done by the compiler rather than by the programmer, who
>generally has more important things to worry about.

And who is, more often than not these days, writing C code rather
than writing code that happens to be in C for some particular
machine (even when writing kernel code!), so that they *can't* know
what code is better or worse.