On Wednesday, November 27, 2019, 04:39:07 AM PST, John McKown <john.archie.mck...@gmail.com> wrote: > Total agreement that it is bad form in today's world. For subsystems, there
> is the SSCT to anchor things. And, as I do for my re-entrant code: a > Name/Token pair (primary address space level) to hold a 64-bit pointer > (even in 24 or 31 bit mode, I make sure the pointer is 64-bit clean).. If you really need speed, check if IBM has any user vector table entries specifically assigned for customer use. 4 load instructions instead of searching thru a chain. IBM assigns each entry (e.g. product vendor request). I vaguely recall it being called CSRCTABL but I could be wrong. Jon. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
