On Wed, 24 Jul 2019 at 08:35, Vernooij, Kees (ITOP NM) - KLM < [email protected]> wrote:
> I cannot answer your question, it is probably depending on how the > hardware works on different machines. > > Another question: what is the purpose of this instruction? I think that's what the OP was asking. Is it executed that often that it is worthwhile to make an instruction to > replace 2 instructions (Load+AND, MOVE+AND) or is there another reason? > In fact there is an earlier Load and AND instruction LAN/LANG that can do just the same thing in one instruction, though it also sets the condition code based on the result, and requires full or double word alignment, which LZRF/LZRG do not. Paging Dan Greiner... Tony H. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
