From: Shriya Sharma <shriya@redsemiconductor.com>
Date: Thu, 19 Oct 2023 10:28:02 +0000 (+0100)
Subject: added ldsx instruction
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=010981ba60e7dc8a49ad841cf5bd83bfe68a0edd;p=openpower-isa.git

added ldsx instruction
---

diff --git a/openpower/isa/fixedloadshift.mdwn b/openpower/isa/fixedloadshift.mdwn
index 9f1461ee..1ae49854 100644
--- a/openpower/isa/fixedloadshift.mdwn
+++ b/openpower/isa/fixedloadshift.mdwn
@@ -186,16 +186,16 @@ Special Registers Altered:
 
     None
 
-# Load Doubleword Indexed
+# Load Doubleword Shifted Indexed
 
 X-Form
 
-* ldx RT,RA,RB
+* ldsx RT,RA,RB,sm
 
 Pseudo-code:
 
     b <- (RA|0)
-    EA <- b + (RB)
+    EA <- b + (RB) << (sm+1)
     RT <- MEM(EA, 8)
 
 Special Registers Altered: