(no commit message)

diff --git a/openpower/isa.mdwn b/openpower/isa.mdwn
index 394cbf53a9cc957bf0d933a11043ffe9210fa362..e0aa2a14f7716e69de0b99b776b849f290d3d559 100644 (file)
--- a/openpower/isa.mdwn
+++ b/openpower/isa.mdwn
@@ -32,7 +32,9 @@ FP instructions: useful for testing <http://weitz.de/ieee/>
 * [[isa/fparith]]
 * [[isa/fpcvt]]
 
-Variants only available under the [[sv/svp64]] namespace
+Variants only available under the [[sv/svp64]] namespace, these are
+all **DRAFT FORM**. Explanation of the rules for twin register targets
+(implicit RS, FRS) explained in SVPY4 [[sv/svp64/appendix]]
 
 * [[isa/svfixedload]]
 * [[isa/svfixedarith]]