From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 17 Apr 2022 17:07:39 +0000 (+0100)
Subject: comments
X-Git-Tag: opf_rfc_ls005_v1~2751
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5516120d7a337652b6fe8f8c524584bfa1f267ca;p=libreriscv.git

comments
---

diff --git a/openpower/sv/bitmanip/appendix.mdwn b/openpower/sv/bitmanip/appendix.mdwn
index a5f9fcc7f..806788f15 100644
--- a/openpower/sv/bitmanip/appendix.mdwn
+++ b/openpower/sv/bitmanip/appendix.mdwn
@@ -133,7 +133,7 @@ Transformation of 4-in, 2-out into a pair of operations:
     RT <- sub[64:127]
     RS <- sub[0:63]
 
-**weirdaddx RT, RA, RB** (RS=RT+VL)
+**weirdaddx RT, RA, RB** (RS=RT+VL for SVP64, RS=RT+1 for scalar)
 
     cat[0:127] = (RB) || (RS)
     sum[0:127] = cat + EXTZ(RA) + [1]*128