From: Shriya Sharma <shriya@redsemiconductor.com>
Date: Tue, 3 Oct 2023 09:52:44 +0000 (+0100)
Subject: Added English Language description for stbux instruction
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=baec4471c6bf47a5d867dd72b1d5694541288ca9;p=openpower-isa.git

Added English Language description for stbux instruction
---

diff --git a/openpower/isa/fixedstore.mdwn b/openpower/isa/fixedstore.mdwn
index ecdcd925..e18f2541 100644
--- a/openpower/isa/fixedstore.mdwn
+++ b/openpower/isa/fixedstore.mdwn
@@ -96,6 +96,16 @@ Pseudo-code:
     MEM(EA, 1) <- (RS)[XLEN-8:XLEN-1]
     RA <- EA
 
+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:
 
     None