From 5c3dcec55564a933b73762125dbe9aac6943c8f4 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 25 Jun 2020 15:54:10 +0100
Subject: [PATCH] add regfile link

---
 3d_gpu/architecture/regfile.mdwn | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/3d_gpu/architecture/regfile.mdwn b/3d_gpu/architecture/regfile.mdwn
index 551d54a16..4ea2234d9 100644
--- a/3d_gpu/architecture/regfile.mdwn
+++ b/3d_gpu/architecture/regfile.mdwn
@@ -1,6 +1,10 @@
 # Register Files
 
-A minimum of 3 register files are required for POWER:
+Discussion:
+
+* <http://lists.libre-riscv.org/pipermail/libre-riscv-dev/2020-June/008368.html>
+
+A minimum of 4 register files are required for POWER:
 
 * Floating-point
 * Integer
-- 
2.30.2