On Fri, May 6, 2016 at 9:24 AM, Jerry Callen <[email protected]> wrote:
> There is a short segment of 31-bit code that is generated on the fly by > another piece of software that I need to call. I don't control that piece > of software, and I'm putting the results of that computation into an > above-the-bar chunk of memory for later processing. No I/O. > > Since it sounds as if the switching is fairly expensive, I'll see if there > is some reasonable way to batch the calls, rather than making the > 64->31->64 switch for every item. > > Thanks to all for the replies! > > -- Jerry > > This may well be a silly question, but why switch AMODEs at all? If the 31-bit code is "self contained", then why not just call it with 31-bit clean values in the registers? -- The unfacts, did we have them, are too imprecisely few to warrant our certitude. Maranatha! <>< John McKown ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
