From:	robk AT cyberway DOT com DOT sg (Rob Kramer)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Question on 'if' statements...
Date:	Mon, 17 Jan 2000 10:39:25 +0800
Message-ID:	<MPG.12ed01b3956c9526989693@news.cyberway.com.sg>
References:	<38823564 DOT 37F9F865 AT ou DOT edu>
Organization:	Infologic Pte Ltd
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To:	djgpp AT delorie DOT com
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In article <38823564 DOT 37F9F865 AT ou DOT edu>, davidis AT ou DOT edu says...
> Hello all,
> 
> I was wondering about how DJGPP would handle a very large if statement
> which contained alot of '&&' in it.  Does the compiler make it so that
> the instant it hits a 'false' value it breaks out, or does it continue
> through all of tests and then does the '&&' operation(s) later?  I need
> to know in order to try and optimize a program that I am writing.  Any
> help you can give will be greatly appreciated.  Thanks for you time.
> 
> -David C.
> 

This is not a compiler issue, but a C language feature as far as I know. 
The compiler terminates evaluation at the first 'false' in a && 
expression, or the first 'true' in a || expression.

Probably in the C language specs, but I never bothered to look it up :)

Cheers,

	RoB

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