I seem to recall when COBOL first started to compile to MVCL, Amdahl SEs
zapped it to an MVC loop and greatly improved COBOL performance. Or
something like that...
Gary
On 2015-10-15 12:21, John McKown wrote:
On Thu, Oct 15, 2015 at 11:16 AM, Paul Gilmartin <
[email protected]> wrote:
On 2015-10-15, at 08:48, Robin Vowels wrote:
IBM should have produced a special EXC instruction for characters,
that did what EX does, but accepts k, the number of bytes to move (or
compare, etc),
tests for zero (and performs a no-op if it is), subtracts 1, and then
executes MVC.
MVCL?
There are many people who greatly dislike MVCL. I remember when it first
came out, my boss said he would never use it because it was way too slow
(this on a 3033). Personally, I like MVCL and CLCL too.
-- gil
Gary Weinhold
Senior Application Architect
DATAKINETICS | Data Performance & Optimization
Phone +1.613.523.5500 x216
Email: [email protected]
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