From: Dmitry Selyutin <dmitry.selyutin@3mdeb.com>
Date: Sat, 2 Oct 2021 09:23:02 +0000 (+0000)
Subject: fixedlogical: simplify extsb
X-Git-Tag: sv_maxu_works-initial~780
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=97be71f59e73b8ee938a5a9423db1e422b23ee04;p=openpower-isa.git

fixedlogical: simplify extsb
---

diff --git a/openpower/isa/fixedlogical.mdwn b/openpower/isa/fixedlogical.mdwn
index b641843c..067a43ff 100644
--- a/openpower/isa/fixedlogical.mdwn
+++ b/openpower/isa/fixedlogical.mdwn
@@ -223,9 +223,7 @@ X-Form
 
 Pseudo-code:
 
-    s <- (RS)[56]
-    RA[56:63] <- (RS)[56:63]
-    RA[0:55] <- [s]*56
+    RA <- EXTSXL(RS, 8)
 
 Special Registers Altered: