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))? > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
