From 0f937431df74f9a9bec34a1c504c14755d4ddffe Mon Sep 17 00:00:00 2001
From: lkcl <lkcl@web>
Date: Sun, 1 Aug 2021 23:59:35 +0100
Subject: [PATCH]

---
 openpower/sv/branches.mdwn | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/openpower/sv/branches.mdwn b/openpower/sv/branches.mdwn
index fb162867e..0006a2432 100644
--- a/openpower/sv/branches.mdwn
+++ b/openpower/sv/branches.mdwn
@@ -38,6 +38,16 @@ implementors.  Attempting to test an arbitrary
 indeterminate number of Conditional tests is impossible
 to define.
 
+`svstep` mode is only meaningful in Vertical-First Mode.
+The CR Field selected by `BI` is updated based on
+incrementing srcstep and dststep, and performing the
+same tests as [[sv/svstep]], following which the Branch
+Conditional instruction proceeds as normal (reading
+and testing the CR bit just updated, if the relevant
+`BO` bit is set).  Note that the SVSTATE fields
+are still updated, and the CR field still updated,
+even if the `BO` bits do not require CR testing.
+
 SVP64 RM `MODE` for Branch Conditional
 
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-- 
2.30.2