On Tue, 16 Feb 2016 16:52:03 +0000, Leonardo Vaz wrote: >I apologize if the question is silly, but I am wondering if for a performance >sensitive >exit like this one I should use STM/LM instead of BAKR/PR. I believe it's >"cheaper" to >do STM/LM, bur "cleaner" to do BAKR, right?
Why do you think BAKR is "cleaner"? BAKR/PR is MUCH slower than STM/LM (or STMG/LMG if you are using the high halves of any of registers 2-12). -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
