Which instructions allow use of the top 32 bits as a base address? I must have
missed it.

On Mon, 20 Jul 2020 18:27:49 -0400 "[email protected]"
<[email protected]> wrote:

:>It seems the HIGH-WORD facility (from the year 2010) provides a limited 
amount of instructions that act only on 
:>the high 32 bits. The Principles of Operation terminology “effectively 
provides
:>sixteen additional 32-bit registers”. 

:>HLASM doesn’t seem to provide a way to specify the a USING with only the high 
32-bits of a register. 
:>Is such functionality an enhancement request?

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Binyamin Dissen <[email protected]>
http://www.dissensoftware.com

Director, Dissen Software, Bar & Grill - Israel


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