From: lkcl <lkcl@web>
Date: Mon, 1 May 2023 08:45:20 +0000 (+0100)
Subject: (no commit message)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4f539b69ccc14955cc56b5d86d8e1e22602b346e;p=libreriscv.git

---

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