From 20290f0926751be3d7e4401bc1ad4136042ee084 Mon Sep 17 00:00:00 2001
From: lkcl <lkcl@web>
Date: Thu, 23 Sep 2021 21:24:57 +0100
Subject: [PATCH]

---
 3d_gpu/architecture/dynamic_simd/cat.mdwn | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 3d_gpu/architecture/dynamic_simd/cat.mdwn

diff --git a/3d_gpu/architecture/dynamic_simd/cat.mdwn b/3d_gpu/architecture/dynamic_simd/cat.mdwn
new file mode 100644
index 000000000..4e8719c3e
--- /dev/null
+++ b/3d_gpu/architecture/dynamic_simd/cat.mdwn
@@ -0,0 +1,9 @@
+# PartitionedSignal nmigen-aware Cat
+
+* <https://bugs.libre-soc.org/show_bug.cgi?id=707>
+
+Concatenation of Signals is ordinarily straightforward: reduce to the bitlevel and create a sequence.  The contributors to that sequence may be of arbitrary length.
+
+However for a PartitionedSignal unless *all* contributors are also
+PartitionedSignals, the results cannot be guaranteed to match, at all
+partition sizes.
-- 
2.30.2