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Article #10813Re: Any use for Branch if Even/Odd ?
From: Eliot Moss
Date: Fri, 11 Dec 1992 22:27
Date: Fri, 11 Dec 1992 22:27
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1278 bytes
Many garbage collected / dynamic languages use tagging to distinguish pointers from non-pointers. If one uses the low bit to implement that tag, the branch has obvious utility .... ELiot -- J. Eliot B. Moss, Associate Professor Visiting Associate Professor Department of Computer Science School of Computer Science Lederle Graduate Research Center Carnegie Mellon University University of Massachusetts 5000 Forbes Avenue Amherst, MA 01003 Pittsburgh, PA 15213-3891 (413) 545-4206, 545-1249 (fax) (412) 268-6767, 681-5739 (fax) Moss@cs.umass.edu Moss@cs.cmu.edu
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Path: arc1-ca.pugleaf.net!sparky!uunet!haven.umd.edu!darwin.sura.net!wupost!uwm.edu!ogicse!das-news.harvard.edu!cantaloupe.srv.cs.cmu.edu!netnews-2.srv.cs.cmu.edu!moss From: moss@cs.cmu.edu (Eliot Moss) Newsgroups: comp.arch Subject: Re: Any use for Branch if Even/Odd ? Message-ID: <MOSS.92Dec11172728@CRAFTY.cs.cmu.edu> Date: 11 Dec 92 22:27:28 GMT Article-I.D.: CRAFTY.MOSS.92Dec11172728 References: <endecotp.723992157@cs.man.ac.uk> Sender: news@cs.cmu.edu (Usenet News System) Reply-To: moss@cs.cmu.edu Organization: Dept of Comp and Info Sci, Univ of Mass (Amherst) Lines: 12 In-Reply-To: endecotp@cs.man.ac.uk's message of 10 Dec 92 12:55:57 GMT Nntp-Posting-Host: crafty.fox.cs.cmu.edu