From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 10 Sep 2022 11:27:50 +0000 (+0100)
Subject: clarify DCT/FFT
X-Git-Tag: opf_rfc_ls005_v1~530
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d1c18164d49a2753a711f888d9591a4f4ba37bf6;p=libreriscv.git

clarify DCT/FFT
---

diff --git a/openpower/sv/rfc/ls001.mdwn b/openpower/sv/rfc/ls001.mdwn
index fbf51a9f2..bb7b5d4f7 100644
--- a/openpower/sv/rfc/ls001.mdwn
+++ b/openpower/sv/rfc/ls001.mdwn
@@ -183,7 +183,8 @@ DSPs and Supercomputing ISAs.
 
 * DCT/FFT REMAP brings more capability than TI's MSP-Series DSPs and
   Qualcom Hexagon DSPs, and is not restricted to Integer or FP.
-  (Galois Field is possible, implementing NTT).
+  (Galois Field is possible, implementing NTT). Operates *in-place*
+  significantly reducing register usage.
 * Matrix REMAP brings more capability than any other Matrix Extension
   (AMD GPUs, Intel, ARM), not being restricted to Power-2 sizes. Also not
   limited to the type of operation, it may perform Warshall Transitive