From f63732808ce09b674f667b0cc271e273ec0219f3 Mon Sep 17 00:00:00 2001
From: Shriya Sharma <shriya@redsemiconductor.com>
Date: Tue, 3 Oct 2023 12:13:35 +0100
Subject: [PATCH] Added English Language description for stdupx instruction

---
 openpower/isa/pifixedstore.mdwn | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/openpower/isa/pifixedstore.mdwn b/openpower/isa/pifixedstore.mdwn
index c61f9bc1..07343c7d 100644
--- a/openpower/isa/pifixedstore.mdwn
+++ b/openpower/isa/pifixedstore.mdwn
@@ -201,6 +201,16 @@ Pseudo-code:
     MEM(ea, 8) <- (RS)
     RA <- EA
 
+Description:
+
+    Let the effective address (EA) be the sum (RA)+ (RB).
+    (RS) is stored into the doubleword in storage
+    addressed by EA.
+
+    EA is placed into register RA.
+
+    If RA=0, the instruction form is invalid.
+
 Special Registers Altered:
 
     None
-- 
2.30.2