Seems to me I ran into this issue trying to set up the parms for PLO. The
comparison and replacement values are 128 bits IIRC.

Charles


-----Original Message-----
From: IBM Mainframe Assembler List [mailto:[email protected]]
On Behalf Of Don Higgins
Sent: Monday, April 18, 2022 9:03 AM
To: [email protected]
Subject: Re: Quadword constant

>What instructions take fixed quadword operas?  I imagine some variant of
Divide.

Yes, DLG and DLGR operate on 128 bit dividend in 64 bit r1 and r1+1.  But
since the dividend is in registers, there is no requirement for quad word
alignment.

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