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diff --git a/openpower/sv/svstep.mdwn b/openpower/sv/svstep.mdwn
index 2eb9b7af363f324061f12cf55776d246f2992433..ca29eebb7d23d6fcd9e66f2ebc2aa070943ba1c2 100644 (file)
--- a/openpower/sv/svstep.mdwn
+++ b/openpower/sv/svstep.mdwn
@@ -34,6 +34,10 @@ state.  If `SVi=0, Rc=0, vf=0` this instruction is a `nop`.
 When `SVi` is 1-4 the REMAP Schedule for a given SVSHAPE may be
 returned in `RT`.  SVi=1 selects SVSHAPE0 current state,
 through to SVi=4 selects SVSHAPE3.
+When `SVi` is 5, `SVSTATE.srcstep` is returned.
+When `SVi` is 6, `SVSTATE.dststep` is returned.
+As this is a Single-Predicated (1P) instruction, predication may be applied
+to skip (or zero) elements. 
 
 * Vertical-First Mode will return the current index
   (and move to the next state if `vf=1`)
@@ -65,5 +69,6 @@ to achieve the exact same Schedule. It is evident however that
 before use some of the Indices may be arbitrarily altered as desired.
 `sv.svstep` helps the programmer avoid having to manually recreate
 Indices for certain
-types of common Loop patterns, and in its simplest form, without REMAP,
+types of common Loop patterns, and in its simplest form, without REMAP
+(SVi=5 or SVi=6),
 is equivalent to the `iota` instruction found in other Vector ISAs*