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,LOTS_OF_MONEY autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fdb77,db15d2f6cb54705a X-Google-Attributes: gidfdb77,public X-Google-Thread: 103376,db15d2f6cb54705a X-Google-Attributes: gid103376,public X-Google-Thread: 101deb,db15d2f6cb54705a X-Google-Attributes: gid101deb,public X-Google-Thread: 1073c2,db15d2f6cb54705a X-Google-Attributes: gid1073c2,public X-Google-Thread: f8131,e2c196a85919d5cc X-Google-Attributes: gidf8131,public X-Google-Thread: 10a146,db15d2f6cb54705a X-Google-Attributes: gid10a146,public X-Google-ArrivalTime: 2001-06-29 05:23:45 PST Path: archiver1.google.com!news2.google.com!newsfeed.google.com!sn-xit-02!supernews.com!nntp-relay.ihug.net!ihug.co.nz!newsfeed.media.kyoto-u.ac.jp!sjc-peer.news.verio.net!news.verio.net!iad-read.news.verio.net.POSTED!not-for-mail Newsgroups: comp.lang.ada,comp.lang.java.programmer,comp.lang.pl1,comp.lang.vrml,comp.lang.java.advocacy,comp.lang.asm370 References: From: "Shmuel (Seymour J.) Metz" Subject: Re: S/390 (was Market pressures for more reliable software) Mail-Copies-To: nobody Organization: Atid/2 X-Cise: "Tony Schliesser" X-CompuServe-Customer: Yes X-Coriate: NCAE@NewAmerica.org X-Ecrate: Bob Germer X-Punge: Micro$oft X-Sanguinate: themvsguy@email.com X-Terminate: SPA(GIS) Message-ID: <3b3c7267$8$fuzhry$mr2ice@va.news.verio.net> X-Newsreader: MR/2 Internet Cruiser Edition for OS/2 v2.28a/28 Date: Fri, 29 Jun 2001 08:19:51 -0400 NNTP-Posting-Host: 206.55.10.86 X-Complaints-To: abuse@verio.net X-Trace: iad-read.news.verio.net 993817420 206.55.10.86 (Fri, 29 Jun 2001 12:23:40 GMT) NNTP-Posting-Date: Fri, 29 Jun 2001 12:23:40 GMT Xref: archiver1.google.com comp.lang.ada:9244 comp.lang.java.programmer:79577 comp.lang.pl1:1168 comp.lang.vrml:3952 comp.lang.java.advocacy:22258 comp.lang.asm370:1086 Date: 2001-06-29T08:19:51-04:00 List-Id: In , on 06/28/2001 at 11:17 PM, robin said: >But when the second address is zero, it does not branch, and the >address of the next instruction is placed in the nominated register. >(e.g., BALR 3,0) >This value (contents) is then used as the base for addressing >purposes. And that is the standard way to establish addressability when there isn't a register known to contain a suitable base. ObBadCode. SVC 18 used to contain a sequence something like BALR R3,0 BALR R3,0 BALR R3,0 USING *,R3 which contains two extraneous instructions. -- ----------------------------------------------------------- Shmuel (Seymour J.) Metz, SysProg and JOAT Atid/2 Team OS/2 Team PL/I Any unsolicited commercial junk E-mail will be subject to legal action. I reserve the right to publicly post or ridicule any abusive E-mail. I mangled my E-mail address to foil automated spammers; reply to domain acm dot org user shmuel to contact me. Do not reply to spamtrap@library.lspace.org -----------------------------------------------------------