From: lkcl <lkcl@web>
Date: Sat, 2 Apr 2022 14:07:47 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls005_v1~2917
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2a6beaec38b4cef8ab292dfff768093b544c6723;p=libreriscv.git

---

diff --git a/openpower/sv/branches.mdwn b/openpower/sv/branches.mdwn
index c3e501252..2347ed6cf 100644
--- a/openpower/sv/branches.mdwn
+++ b/openpower/sv/branches.mdwn
@@ -180,8 +180,10 @@ Brief description of fields:
   destruction of LR during loops (particularly Vertical-First
   ones).
 * **VSb** In VLSET Mode, after testing,
-  if VSb is set, VL is truncated if the branch succeeds.  If VSb is clear,
-  VL is truncated if the branch did **not** take place.
+  if VSb is set, VL is truncated if the test succeeds.  If VSb is clear,
+  VL is truncated if a test *fails*. Masked-out (skipped)
+  bits are not considered
+  part of testing.
 * **CTi** CTR inversion. CTR-test Mode normally decrements per element
   tested. CTR inversion decrements if a test *fails*. Only relevant
   in CTR-test Mode.