From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,1b551e3318e4c1a5 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-02-09 14:20:12 PST Path: supernews.google.com!sn-xit-02!sn-xit-04!supernews.com!newsfeed.mesh.ad.jp!sjc-peer.news.verio.net!news.verio.net!iad-read.news.verio.net.POSTED!kilgallen From: Kilgallen@eisner.decus.org.nospam (Larry Kilgallen) Newsgroups: comp.lang.ada Subject: Re: Why isn't there Visual Ada? Message-ID: References: <94jki1$eha$1@nnrp1.deja.com> <732FACF8BF7E8D79.8125E7BE5B617E0B.B3DBC49334E8E3C4@lp.airnews.net> <20010207.15581000@buzco.penguinpowered.com> <87bssdpkjl.fsf@deneb.enyo.de> <95u6f6$8201@news.cis.okstate.edu> <9609sg$f410@news.kvaerner.com> <9612vb$9aa1@news.cis.okstate.edu> Organization: LJK Software Date: 9 Feb 2001 17:20:05 -0500 NNTP-Posting-Host: 216.44.122.34 X-Complaints-To: abuse@verio.net X-Trace: iad-read.news.verio.net 981757208 216.44.122.34 (Fri, 09 Feb 2001 22:20:08 GMT) NNTP-Posting-Date: Fri, 09 Feb 2001 22:20:08 GMT Xref: supernews.google.com comp.lang.ada:5085 Date: 2001-02-09T17:20:05-05:00 List-Id: In article <9612vb$9aa1@news.cis.okstate.edu>, dvdeug@x8b4e53cd.dhcp.okstate.edu (David Starner) writes: > On Fri, 9 Feb 2001 09:31:11 +0100, Tarjei T. Jensen > wrote: >> >>David Starner wrote >>> >>>A lot of software? Pretty much anything shipped with Debian or RedHat has >>>been compiled and probably run on Alphas and other architectures. >> >>It does not neccessarily mean that the software work in 64 bit mode. Many, if >>not all 64 bit machines support a 32 bit pointer environment with 32 bit >>integers. > > Debian does not compile its Alpha packages in that mode. (I don't believe > an Alpha has that mode, or even if it does, that GCC for the alpha-linux-gnu > supports using it. So I doubt Red Hat uses it either.) Alpha has no 32 bit addressing mode in hardware. A compiler that is going to use 32 bit pointers will generate code that sign-extends the 32 bit pointer when loading it into a 64-bit register.