From 3a644e60f3c8af2714cd68d77c109cb059b67890 Mon Sep 17 00:00:00 2001
From: Shriya Sharma <shriya@redsemiconductor.com>
Date: Tue, 3 Oct 2023 12:10:47 +0100
Subject: [PATCH] Added English Language description for stwup instruction

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

diff --git a/openpower/isa/pifixedstore.mdwn b/openpower/isa/pifixedstore.mdwn
index 96e32682..8a45cd96 100644
--- a/openpower/isa/pifixedstore.mdwn
+++ b/openpower/isa/pifixedstore.mdwn
@@ -120,6 +120,16 @@ Pseudo-code:
     MEM(ea, 4) <- (RS)[XLEN-32:XLEN-1]
     RA <- EA
 
+Description:
+
+    Let the effective address (EA) be the sum (RA)+ D.
+    (RS)[32:63] are stored into the word 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