From: Dmitry Selyutin <dmitry.selyutin@3mdeb.com>
Date: Sat, 2 Oct 2021 09:18:34 +0000 (+0000)
Subject: decoder/helpers: introduce EXTSXL helper
X-Git-Tag: sv_maxu_works-initial~781
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=82e11d5e4db5c31fb34750ab49d86865ea70db55;p=openpower-isa.git

decoder/helpers: introduce EXTSXL helper

https://libre-soc.org/openpower/sv/svp64/extsxl
---

diff --git a/src/openpower/decoder/helpers.py b/src/openpower/decoder/helpers.py
index be6ab496..8caa1068 100644
--- a/src/openpower/decoder/helpers.py
+++ b/src/openpower/decoder/helpers.py
@@ -457,6 +457,9 @@ class ISACallerHelper:
         # SelectableInt already takes care of masking out the bits
         return SelectableInt(value.value, self.XLEN)
 
+    def EXTSXL(self, value, bits):
+        return SelectableInt(exts(value.value, bits), self.XLEN)
+
     def __getattr__(self, attr):
         try:
             return globals()[attr]