From: Shriya Sharma <shriya@redsemiconductor.com>
Date: Thu, 19 Oct 2023 10:29:38 +0000 (+0100)
Subject: added lhbrsx instruction
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6dc58d0bc57dad1f55f32195483a4a98d3ff606c;p=openpower-isa.git

added lhbrsx instruction
---

diff --git a/openpower/isa/fixedloadshift.mdwn b/openpower/isa/fixedloadshift.mdwn
index fc7ea860..d9dc38ac 100644
--- a/openpower/isa/fixedloadshift.mdwn
+++ b/openpower/isa/fixedloadshift.mdwn
@@ -220,16 +220,16 @@ Special Registers Altered:
 
 <!-- byte-reverse shifted -->
 
-# Load Halfword Byte-Reverse Indexed
+# Load Halfword Byte-Reverse Shifted Indexed
 
 X-Form
 
-* lhbrx RT,RA,RB
+* lhbrsx RT,RA,RB,sm
 
 Pseudo-code:
 
     b <- (RA|0)
-    EA <- b + (RB)
+    EA <- b + (RB) << (sm+1)
     load_data <- MEM(EA, 2)
     RT <- [0]*48 || load_data[8:15] || load_data[0:7]