(no commit message)

diff --git a/openpower/sv/branches.mdwn b/openpower/sv/branches.mdwn
index 40dee32e12bdef66eac08f76eb7473769722e663..b2276fdffeb59b99f32f5ea3bb000bcc4337fcf8 100644 (file)
--- 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