From: Randy Hudson <ime@netcom.com>
Subject: Re: S/390 (was Market pressures for more reliable software)
Date: 30 Jun 2001 06:13:51 GMT
Date: 2001-06-30T06:13:51+00:00 [thread overview]
Message-ID: <9hjqmv$a0e$1@news.panix.com> (raw)
In-Reply-To: 3b3c7267$8$fuzhry$mr2ice@va.news.verio.net
[ 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>
next prev parent reply other threads:[~2001-06-30 6:13 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-28 23:17 S/390 (was Market pressures for more reliable software) robin
2001-06-28 23:46 ` Roedy Green
2001-06-29 0:27 ` John Homes
2001-06-29 6:41 ` Randy Hudson
2001-06-29 19:25 ` hack
2001-06-29 0:52 ` Gary Labowitz
2001-06-29 8:21 ` Clem Clarke
2001-06-29 12:20 ` Shmuel (Seymour J.) Metz
2001-06-29 12:19 ` Shmuel (Seymour J.) Metz
2001-06-30 6:13 ` Randy Hudson [this message]
2001-07-02 0:18 ` Shmuel (Seymour J.) Metz
-- strict thread matches above, loose matches on Subject: below --
2001-06-28 11:44 robin
2001-06-28 13:04 ` Gary Labowitz
2001-06-28 21:49 ` Roedy Green
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