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diff --git a/openpower/sv/cr_ops.mdwn b/openpower/sv/cr_ops.mdwn
index 9dfc91e3d48c01f731cd6314de3c0975c11d9810..7eb890f090f832b06d6bd06a37e0131e16927f71 100644 (file)
--- a/openpower/sv/cr_ops.mdwn
+++ b/openpower/sv/cr_ops.mdwn
@@ -45,6 +45,14 @@ will end up actually being modified. This is in effect the same
 as ANDing the Condition Test with the destination predicate
 mask (hence the name, "predicate-result").
 
+Predicate-result is a particularly powerful strategic mode
+in that it is the interaction of a source predicate, destination predicate,
+input operands *and* the output result, all combining to influence
+what actually goes into the Condition Register File. Given that
+predicates may themselves be Condition Registers it can be seen that
+there could potentially be up to **six** CR Fields involved in
+the execution of Predicate-result Mode.
+
 SVP64 RM `MODE` (includes `ELWIDTH` bits) for CR-based operations:
 
 | 4 | 5 | 19-20 |  21 | 22   23 |  description     |