From: lkcl <lkcl@web>
Date: Thu, 7 Jul 2022 14:00:43 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls005_v1~1297
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=25154af38b77d50074f870ffa6b2e6f94fcc2754;p=libreriscv.git

---

diff --git a/openpower/power_trans_ops.mdwn b/openpower/power_trans_ops.mdwn
index 24d5651bb..17445c079 100644
--- a/openpower/power_trans_ops.mdwn
+++ b/openpower/power_trans_ops.mdwn
@@ -1,7 +1,9 @@
 # DRAFT List of 2-arg opcodes
 
-These are X-Form, recommended Major Opcode 63 for full-width
-and 59 for half-width (ending in s)
+These are A-Form, recommended Major Opcode 63 for full-width
+and 59 for half-width (ending in s). Major Opcode 63 has room
+for 9 A-Form 5-bit XO instructions, 00001, 01001, 01010, 01011,
+01101, 10000, 10001, 10011, 11011
 
 | opcode    | Description            | pseudocode                 | Extension   |
 | ------    | ----------------       | ----------------           | ----------- |