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/

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