(no commit message)

diff --git a/openpower/sv/remap.mdwn b/openpower/sv/remap.mdwn
index dbb18875efe44f240c4b15192b8ab0f5259086ec..92e3dfc597b9618f39eaa086b47a145d83d30b86 100644 (file)
--- a/openpower/sv/remap.mdwn
+++ b/openpower/sv/remap.mdwn
@@ -284,6 +284,12 @@ not make sense. Many 3-input instructions (madd, fmadd) unlike Scalar
 Reduction in particular do not make sense, but `ternlogi`, if used
 with care, would.
 
+Critical to note regarding use of Parallel-Reduction REMAP is that,
+exactly as with Matrix Mode, the `svshape` instruction *requests*
+a certain Vector Length (number of elements to reduce) and then
+sets VL and MAXVL at the number of **operations** needed to be
+carried out.
+
 **Parallel-Reduction with Predication**
 
 To avoid breaking the strict RISC-paradigm, keeping the Issue-Schedule