On 9/30/2013 5:17 PM, Gerhard Postpischil wrote:
the early versions of PL/I were atrocious; e.g., changing a bit flag resulted in a subroutine call rather than one or two instructions in-line.
Later PL/I versions did a great job optimizing and formed the basis for today's ultra-smart IBM compiler back-ends.
-- Edward E Jaffe Phoenix Software International, Inc 831 Parkview Drive North El Segundo, CA 90245 http://www.phoenixsoftware.com/ ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN