From dc650acd095d016b7baf926aa33aaf91f4017878 Mon Sep 17 00:00:00 2001
From: lkcl <lkcl@web>
Date: Sat, 28 May 2022 19:59:50 +0100
Subject: [PATCH]

---
 openpower/sv/branches.mdwn | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/openpower/sv/branches.mdwn b/openpower/sv/branches.mdwn
index 40dee32e1..b2276fdff 100644
--- a/openpower/sv/branches.mdwn
+++ b/openpower/sv/branches.mdwn
@@ -330,7 +330,9 @@ multi-issue, and for each Branch Unit to compute how many times
 CTR would be subtracted, in a fully-deterministic and parallel
 fashion. A SIMD-based Branch Unit, receiving and processing
 multiple CR Fields covered by multiple predicate bits, would
-do the exact same thing.*
+do the exact same thing. Obviously, however, if CTR is modified
+within any given loop (mtctr) the behaviour of CTR is no longer
+deterministic.*
 
 ## Link Register Update
 
-- 
2.30.2