From e7a4bbb5fb3c57a2f5e9d342d4f8be43932bc6e0 Mon Sep 17 00:00:00 2001
From: Shriya Sharma <shriya@redsemiconductor.com>
Date: Tue, 3 Oct 2023 12:09:34 +0100
Subject: [PATCH] Added English Language description for sthupx instruction

---
 openpower/isa/pifixedstore.mdwn | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/openpower/isa/pifixedstore.mdwn b/openpower/isa/pifixedstore.mdwn
index 5efd6b39..96e32682 100644
--- a/openpower/isa/pifixedstore.mdwn
+++ b/openpower/isa/pifixedstore.mdwn
@@ -95,7 +95,13 @@ Pseudo-code:
 
 Description:
 
+    Let the effective address (EA) be the sum (RA)+ (RB).
+    (RS)[56:63] are stored into the byte in storage addressed
+    by EA.
+
+    EA is placed into register RA.
 
+    If RA=0, the instruction form is invalid
 
 Special Registers Altered:
 
-- 
2.30.2