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From: Randy Hudson <ime@netcom.com>
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 comp.lang.ada,comp.lang.java.programmer,comp.lang.pl1,comp.lang.vrml,comp.lang.java.advocacy,comp.lang.asm370
Subject: Re: S/390 (was Market pressures for more reliable software)
Date: 30 Jun 2001 06:13:51 GMT
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Date: 2001-06-30T06:13:51+00:00
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[ posted and emailed ]

In article <3b3c7267$8$fuzhry$mr2ice@va.news.verio.net>,
 Shmuel (Seymour J.) Metz <spamtrap@library.lspace.org.invalid> wrote:

> 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.

Are you sure that wasn't:

SVC18    BALR  3,0
         BCTR  3,0
         BCTR  3,0
         USING SVC18,3

? That sequence sets the base register to the entry point, which used to be
considered good for debugging reasons.  

-- 
Randy Hudson  <ime@netcom.com>