Now that POPS-13 is out:
I see and understand LBEAR and STBEAR.
But I wounder why RP did not get a non-bear destruction brother of RPY
like LPSWE did with LPSWEY.
Martin
Peter,
I still have no exact idea what both instructions do (waiting for the
book of books) , but your stmt
>> Both LBEAR and STBEAR are created for OS's other than z/OS
let me hope that both where for ALSO not for the little stepbrother z/VSE.
And now I can even visualise
Both LBEAR and STBEAR are created for OS's other than z/OS.
Could z/OS use them constructively? Possibly. If by "constructive" we
positively balance functional benefit over performance cost.
Could an application use STBEAR constructively? Possibly. Probably more likely
to be of constructive
Ed,
after I wrote back to Dave- just what you said occurred to me too. In
some cases It might be nice to find out "how was I called" or from where
(and thus reading the bear and not location 110).
And maybe the two (LBEAR and STBEAR) are just two flavors of the very
same- one against
On 4/17/2022 1:12 AM, Martin Trübner wrote:
what would LBEAR do other than a LG Rn,X'110' ?
Martin, X'110' is not the BEAR. The BEAR is a special register that
holds the last Breaking Event Address (BEA). X'110' is simply the place
where the BEAR is automatically stored when an interrupt
You are correct, I reversed L and ST in my thought
> -Original Message-
> From: IBM Mainframe Assembler List l...@listserv.uga.edu> On Behalf Of Seymour J Metz
> Sent: Sunday, April 17, 2022 1:48 PM
> To: ASSEMBLER-LIST@LISTSERV.UGA.EDU
> Subject: Re: the BEAR (was: Ne
List [ASSEMBLER-LIST@LISTSERV.UGA.EDU] on behalf
of Martin Trübner [mar...@pi-sysprog.de]
Sent: Sunday, April 17, 2022 4:12 AM
To: ASSEMBLER-LIST@LISTSERV.UGA.EDU
Subject: the BEAR (was: New z16 Instructions)
Dave,
what would LBEAR do other than a LG Rn,X'110' ?
and what is STBEAR good
A.EDU
> Subject: the BEAR (was: New z16 Instructions)
>
> Dave,
>
>
> what would LBEAR do other than a LG Rn,X'110' ?
>
>
> and what is STBEAR good for? to falsify the original?
>
>
> I wait for the POP to describe them in more detail
>
>
> Martin
.
If the POP manual is not available, where can one find the new instructions ?
-- Original Message --
From: Martin Trübner
To: ASSEMBLER-LIST@LISTSERV.UGA.EDU
Subject: the BEAR (was: New z16 Instructions)
Date: Sun, 17 Apr 2022 10:12:07 +0200
Dave,
what would LBEAR do other
Dave,
what would LBEAR do other than a LG Rn,X'110' ?
and what is STBEAR good for? to falsify the original?
I wait for the POP to describe them in more detail
Martin
Am 16.04.22 um 23:47 schrieb Gibney, Dave:
It seems problematic to do a STBEAR, but I can see the utility of LBEAR.
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