From POps:
"The second operand of COMPARE AND SWAP (CS,
CSY) must be designated on a word boundary. The
second operand of COMPARE AND SWAP (CSG)
and COMPARE DOUBLE AND SWAP (CDS, CDSY)
must be designated on a doubleword boundary. The
second operand of COMPARE DOUBLE AND SWAP
(CDSG) must be designated on a quadword boundary.
The R1 and R3 fields for COMPARE DOUBLE
AND SWAP must each designate an even-numbered
register. Otherwise, a specification exception is recognized."
--
Regards, Gord Tomlin
Action Software International
(a division of Mazda Computer Corporation)
Tel: (905) 470-7113, Fax: (905) 470-6507
On 2011-06-02 12:56, Rick Fochtman wrote:
Micheal Butz wrote:
Pops states one of the programming exceptions for CDS is specification
exception could that be the result of operand 2 not being on a
doubleword boundry
Sent from my iPhone
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Probably...............
Rick
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