From: lkcl <lkcl@web>
Date: Wed, 1 Jun 2022 14:19:37 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls005_v1~2021
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2b6a973d3643d831e0155da403caddaa0156a395;p=libreriscv.git

---

diff --git a/openpower/sv/svp64_quirks.mdwn b/openpower/sv/svp64_quirks.mdwn
index ec64b9429..2543897ca 100644
--- a/openpower/sv/svp64_quirks.mdwn
+++ b/openpower/sv/svp64_quirks.mdwn
@@ -45,7 +45,17 @@ Power ISA has Condition Register Fields: how can element widths
 apply there? And branches: how can you have Saturation on something
 that does not return an arithmetic result? In short: there are actually
 four different categories (five including those for which Vectorisation
-makes no sense at all, such as `sc` or `mtmsr`).
+makes no sense at all, such as `sc` or `mtmsr`). The categories are:
+
+* arithmetic/logical including floating-point
+* Load/Store
+* Condition Register Field operations
+* branch
+
+Branch  is the one and only place where the Scalar
+(non-prefixed) operations differ from the Vector (element)
+instructions, as explained in a separate section.
+
 
 # CR weird instructions