From 4f539b69ccc14955cc56b5d86d8e1e22602b346e Mon Sep 17 00:00:00 2001
From: lkcl <lkcl@web>
Date: Mon, 1 May 2023 09:45:20 +0100
Subject: [PATCH]

---
 openpower/sv/twin_butterfly.mdwn | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/openpower/sv/twin_butterfly.mdwn b/openpower/sv/twin_butterfly.mdwn
index e06a2899e..5af3c7cb6 100644
--- a/openpower/sv/twin_butterfly.mdwn
+++ b/openpower/sv/twin_butterfly.mdwn
@@ -8,9 +8,11 @@
 * [[openpower/isa/svfparith]]
 * [[openpower/isa/svfixedarith]]
 * [[openpower/sv/rfc/ls016]]
-
 <!-- show -->
 
+Although best used with SVP64 REMAP these instructions may be used in a Scalar-only
+context to save considerably on DCT, DFT and FFT processing.  
+
 # Rationale for Twin Butterfly Integer DCT Instruction(s)
 
 The number of general-purpose uses for DCT is huge. The number of
-- 
2.30.2