From 5767af25e702adab0062e04a4c64f49896f949dc Mon Sep 17 00:00:00 2001
From: lkcl <lkcl@web>
Date: Thu, 24 Dec 2020 13:10:52 +0000
Subject: [PATCH]

---
 openpower/sv/overview.mdwn | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/openpower/sv/overview.mdwn b/openpower/sv/overview.mdwn
index 3267fde40..d9e58ec5f 100644
--- a/openpower/sv/overview.mdwn
+++ b/openpower/sv/overview.mdwn
@@ -120,3 +120,6 @@ Sometimes with predication it is ok to leave the masked-out element alone (not m
         if (rs2.isvec)  { irs2 += 1; }
         if (id == VL or irs1 == VL or irs2 == VL)
            break
+
+Many Vector systems either have zeroing or they have nonzeroing, they do not have both.  This is because they usually have separate Vector register files. However SV sits on top of standard register files and consequently there are advantages to both, so both are provided.
+
-- 
2.30.2