From: Shriya Sharma <shriya@redsemiconductor.com>
Date: Thu, 19 Oct 2023 10:46:00 +0000 (+0100)
Subject: added stbx instruction in fixedstoreshift.mdwm file
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=004ccff9590f66f23ffbd566cd13c4797a8ea9f0;p=openpower-isa.git

added stbx instruction in fixedstoreshift.mdwm file
---

diff --git a/openpower/isa/fixedstoreshift.mdwn b/openpower/isa/fixedstoreshift.mdwn
index 6b47b8f3..3f3d3311 100644
--- a/openpower/isa/fixedstoreshift.mdwn
+++ b/openpower/isa/fixedstoreshift.mdwn
@@ -14,16 +14,16 @@
 
 <!-- Section 3.3.3 Fixed-Point Store Instructions pages 54 - 57 -->
 
-# Store Byte Indexed
+# Store Byte Shifted Indexed
 
 X-Form
 
-* stbx RS,RA,RB
+* stbx RS,RA,RB,SH
 
 Pseudo-code:
 
     b <- (RA|0)
-    EA <- b + (RB)
+    EA <- b + (RB) << (SH+1)
     MEM(EA, 1) <- (RS)[XLEN-8:XLEN-1]
 
 Description: