From: lkcl <lkcl@web>
Date: Mon, 13 Jun 2022 23:59:19 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls005_v1~1801
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5a56a3c062b243e9bfd63f272be6b64760cd1189;p=libreriscv.git

---

diff --git a/openpower/sv/mv.swizzle.mdwn b/openpower/sv/mv.swizzle.mdwn
index af8c797a0..2d7b39864 100644
--- a/openpower/sv/mv.swizzle.mdwn
+++ b/openpower/sv/mv.swizzle.mdwn
@@ -44,7 +44,12 @@ to each:
 |pixel  |R   | G  | B | A  |
 |index  |0   | 1  | 2 | 3  |
 
-the options for each Swizzle are:
+In very simplistic terms the relationship between swizzle indices,
+source, and destination is:
+
+    dest[i] = src[swiz[i]]
+
+The options for each Swizzle are:
 
 * 0b000 to indicate "skip".  this is equivalent to predicate masking
 * 0b001 subvector length end marker (length=4 if not present)