From: lkcl <lkcl@web>
Date: Thu, 23 Sep 2021 23:51:51 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: DRAFT_SVP64_0_1~27
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=73cb74faf58c7dc0d97d2172a26fb2a11f60e8b9;p=libreriscv.git

---

diff --git a/3d_gpu/architecture/dynamic_simd/cat.mdwn b/3d_gpu/architecture/dynamic_simd/cat.mdwn
index d9c97032a..3326f6598 100644
--- a/3d_gpu/architecture/dynamic_simd/cat.mdwn
+++ b/3d_gpu/architecture/dynamic_simd/cat.mdwn
@@ -66,6 +66,19 @@ The reason this works is down to the requirement that Partitions be
 of equal sizes.  4x 4-bit to be Concatenated with 4x 8-bit, in
 the last example.
 
+Table for 2-way concatenation, divided by partition:
+
+| partition | o3    | o2    | o1    | o0    |
+| --------- | ----- | ----- | ----- | ----- |
+| 000       | a3 a2 | a1 a0 | b3 b2 | b1 b0 |
+| 001       | a3 a2 | a1 b3 | b2 b1 | a0 b0 |
+| 010       | a3 a2 | b3 b2 | a1 a0 | b1 b0 |
+| 011       | a3 a2 | b3 b2 | a1 b1 | a0 b0 |
+| 100       | a3 b3 | a2 a1 | a0 b2 | b1 b0 |
+| 101       | a3 b3 | a2 a1 | b2 b1 | a0 b0 |
+| 110       | a3 b3 | a2 b2 | a1 a0 | b1 b0 |
+| 111       | a3 b3 | a2 b2 | a1 b1 | a0 b0 |
+
 Table for 3-way concatenation, divided by partition:
 
 | partition | o3       | o2       | o1       | o0       |