From: Shriya Sharma <shriya@redsemiconductor.com>
Date: Thu, 19 Oct 2023 10:48:20 +0000 (+0100)
Subject: added sthsx instruction
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=138b179bcd98479d8745698aaa803cf80ace65c1;p=openpower-isa.git

added sthsx instruction
---

diff --git a/openpower/isa/fixedstoreshift.mdwn b/openpower/isa/fixedstoreshift.mdwn
index 990c9cee..d38616c8 100644
--- a/openpower/isa/fixedstoreshift.mdwn
+++ b/openpower/isa/fixedstoreshift.mdwn
@@ -62,16 +62,16 @@ Special Registers Altered:
 
     None
 
-# Store Halfword Indexed
+# Store Halfword Shifted Indexed
 
 X-Form
 
-* sthx RS,RA,RB
+* sthsx RS,RA,RB,SH
 
 Pseudo-code:
 
     b <- (RA|0)
-    EA <- b + (RB)
+    EA <- b + (RB) << (SH+1)
     MEM(EA, 2) <- (RS)[XLEN-16:XLEN-1]
 
 Description: