From b74a4de3c7e393396b82f8e262af78764b2c6411 Mon Sep 17 00:00:00 2001
From: lkcl <lkcl@web>
Date: Sat, 11 Jun 2022 15:54:18 +0100
Subject: [PATCH]

---
 openpower/sv/mv.swizzle.mdwn | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/openpower/sv/mv.swizzle.mdwn b/openpower/sv/mv.swizzle.mdwn
index a491bccb1..225542475 100644
--- a/openpower/sv/mv.swizzle.mdwn
+++ b/openpower/sv/mv.swizzle.mdwn
@@ -8,6 +8,19 @@ Links
 
 the encoding embeds predication into the swizzle as well as constants 1/1.0 and 0/0.0
 
+As a Scalar instruction, mv.swiz and fmv.swiz operate on four 32-bit
+quantities, reducing this instruction to 2-in, 2-out pairs of 64-bit
+registers:
+
+| swizzle name | source | dest | half   |
+|--            | --     | --   | --      |
+| X            | RA     | RT   | lo-half |
+| Y            | RA     | RT   | hi-half |
+| Z            | RA+1   | RT+1 | lo-half |
+| W            | RA+1   | RT+1 | hi-half |
+
+When RA=RT (in-place swizzle) any 
+
 # Format
 
 | 0.5 |6.10|11.15|16.27|28.31|  name        |
-- 
2.30.2