Date: Mon, 15 Mar 1999 22:02:15 -0800 (PST) From: "Richard J. Dawes" <rjdawes@physics.ucsd.edu> To: Andrew Reilly <andrew@lake.com.au> Cc: dillon@apollo.backplane.com, sjr@home.net, freebsd-hackers@FreeBSD.ORG Subject: Re: Use of "register" in code Message-ID: <Pine.SOL.3.96.990315215657.19926A-100000@huntington> In-Reply-To: <19990316052524.40662.qmail@areilly.bpc-users.org>
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On Tue, 16 Mar 1999, Andrew Reilly wrote: > Of course it is. It's one of the principle reasons that Fortran can > still generate tighter inner loop code than straight-forward C. The > handbook of numerical C code says in big letters: fetch to register > temporaries if a value is to be re-used, and use register variables for > all pointers and indices. Umm, are you refering to "Numerical Recipes in C"? That tome is well- known for its out-of-date C advice, not to mention obsolete algorithms. Just a tip. Sorry for going off-topic. ======================================== Richard J. Dawes rdawes@ucsd.edu ======================================== To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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