Not sure how rotation would accomplish reversal. 

(I had looked at the rotate and shift instructions. Thought perhaps there
was a "rotate until you shift out a bit and tell me how far you shifted"
instruction.)

Charles

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of John Gilmore
Sent: Tuesday, July 23, 2013 7:11 PM
To: [email protected]
Subject: Re: Is there a "reverse bits" hardware instruction?

Look at the Rotate instructions in the PrOp.  RLL will do come close to
doing what you want  to do.

John Gilmore, Ashland, MA 01721 - USA

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