http://www.phrases.org.uk/bulletin_board/1/messages/2517.html
diddly squat - "very little of anything"
"...what is {very lttle of anything} selling for these days?" I guess that
depends!
Todd
----- Original Message -----
From: "Richard Pinion" <[EMAIL PROTECTED]>
Newsgroups: bit.listserv.ibm-main
To: <IBM-MAIN@BAMA.UA.EDU>
Sent: Tuesday, February 21, 2006 11:57 AM
Subject: Re: z/Architecture Principles of Operation (SA22-7832-04)
> Just curious, what is diddly squat selling for these days?
>
> >>> [EMAIL PROTECTED] 2/21/2006 12:51 PM >>>
> Certainly I can do that. And, when I do that, I have absolutely no need
for
> the LDF instructions.
>
> The purpose of the Long Displacement Facility is to provide relief for
base
> register constraint. Coding a "LAY R1" to get around a macro expansion,
and
> taking up a base register to do that, doesn't buy me diddly squat in terms
> of "base register relief".
>
> Todd
>
>
> ----- Original Message -----
> From: "Robert A. Rosenberg" <[EMAIL PROTECTED]>
> Newsgroups: bit.listserv.ibm-main
> To: <IBM-MAIN@BAMA.UA.EDU>
> Sent: Tuesday, February 21, 2006 11:23 AM
> Subject: Re: z/Architecture Principles of Operation (SA22-7832-04)
>
>
> > At 08:29 -0600 on 02/20/2006, Todd Burch wrote about Re:
> > z/Architecture Principles of Operation (SA22-7832-04):
> >
> > >Roland, it's not that the IBM DSECTs are > 4096, it's that mine is.
And,
> > >for instance, the MF=(E,WORKOPEN) execute form of the macro was in
> storage >
> > >12 bits away.
> >
> > I seem to remember that the address of a MF=E can take a register.
> > Why not preload the register that MF=E loads (R1 I think) via a LAY
> > and go MF=(E,(1))?
> >
>
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