The z13 is the LAST processor to support 31 bit mode. I would assume that for the z14 all interrupt areas will be 64 bit capable.
On Mon, Mar 27, 2017 at 7:09 PM, John McKown <john.archie.mck...@gmail.com> wrote: > On Mon, Mar 27, 2017 at 6:13 PM, Paul Gilmartin < > 0000000433f07816-dmarc-requ...@listserv.ua.edu> wrote: > >> On 2017-03-27, at 17:00, Blaicher, Christopher Y. wrote: >> >> > It's called z/OS is not the only thing that runs on a 64-bit machine. I >> haven't looked into all the particulars, but I have heard someplace that >> 'C' can run in 64-bit under z/LINUX. >> > >> Yes. but it's a very different 'C'. I understand that z/Linux doesn't >> even have a "bar". What about Gnu COBOL? >> > > GnuCOBOL actually translates COBOL into C and then uses GCC to compile > that. As to "C" running in 64 bit on z/Linux, I wouldn't see why not. GCC > can make 64 bit executables on Intel x86_64 and ARM. > > >> >> Also z/VM. (But is that CP or just guests?) >> >> How full is LPA getting at some sites? >> > > Hum, I'd hate to be the one to try to justify a z/OS configuration which > would _require_ execution in 64 bit RMODE. How many DS8886 disk arrays > would be required just for the page data sets? And then, of course, if > RMODE(64) is _required_ in order to fit the programs into virtual, how much > disk for the libraries. I say libraries, because I doubt you could get a > lot of members into even an PDSE if it were so large it wouldn't load into > RMODE(31) space. > > > >> >> >> -- gil >> >> > I wonder if the IBMi people ever talk about this sort of thing. Of course, > the IBMi, theoretically, uses 128 bit addressing. But the current > implementation only supports using 48 bit addressing. That's 2^48==2^8 * > 2^20== 256 tebibytes. > > > -- > "Irrigation of the land with seawater desalinated by fusion power is > ancient. It's called 'rain'." -- Michael McClary, in alt.fusion > > Maranatha! <>< > John McKown > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
