From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 16 Sep 2022 00:57:24 +0000 (+0100)
Subject: clarify table
X-Git-Tag: opf_rfc_ls005_v1~416
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bc1efc49ca384de0139fc89259669a3e7b410906;p=libreriscv.git

clarify table
---

diff --git a/openpower/sv/rfc/ls001.mdwn b/openpower/sv/rfc/ls001.mdwn
index 25d4e9f6c..8c8e830cb 100644
--- a/openpower/sv/rfc/ls001.mdwn
+++ b/openpower/sv/rfc/ls001.mdwn
@@ -873,7 +873,7 @@ must be allocated to a Vectoriseable EXT000-063
 "Defined Word" (Public v3.1 Section 1.6.3 definition)
 or not at all.
 
-**another illegal example:**
+**illegal unallocated scalar EXT0nn or EXT2nn:**
 
 | width | assembler | prefix?      | suffix    | description   |
 |-------|-----------|--------------|-----------|---------------|
@@ -889,8 +889,10 @@ and:
 | 64bit | ss.fishmv | 0x24!zero    | 0x12345678| scalar SVP64Single:EXT2nn |
 | 64bit | sv.fishmv | 0x26nnnnnn   | 0x12345678| vector SVP64:EXT2nn |
 
-Both of these are illegal. The fact that there does not exist a
-scalar "Defined Word" (even for EXT200-263)
+Both of these Simple-V operations are illegally-allocated. The fact that
+there does not exist a scalar "Defined Word" (even for EXT200-263) - the
+unallocated block - means that the instruction may **not** be allocated in
+the Simple-V space.  
 
 \newpage{}
 # Use cases