From 1332cab74c71fd48e643f7aaf039c0d8467c40cb Mon Sep 17 00:00:00 2001
From: Dmitry Selyutin <dmitry.selyutin@3mdeb.com>
Date: Tue, 28 Sep 2021 20:17:42 +0000
Subject: [PATCH] decoder/helpers: support XLCASTU

---
 src/openpower/decoder/helpers.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/openpower/decoder/helpers.py b/src/openpower/decoder/helpers.py
index d51305b9..3b142e1a 100644
--- a/src/openpower/decoder/helpers.py
+++ b/src/openpower/decoder/helpers.py
@@ -450,6 +450,10 @@ class ISACallerHelper:
     def XLEN(self):
         return self.__XLEN
 
+    def XLCASTU(self, value):
+        bits = min(value.bits, self.XLEN)
+        return SelectableInt(value.value & ((1 << bits) - 1), self.XLEN)
+
     def __getattr__(self, attr):
         return getattr(sys.modules[ISACallerHelper.__module__], attr)
 
-- 
2.30.2