endeavouring to implement shift-carry-dsld

[openpower-isa.git] / src / openpower / decoder / helpers.py

diff --git a/src/openpower/decoder/helpers.py b/src/openpower/decoder/helpers.py
index ea3b659a5db7b3f44461900b8d605f4bc75c0525..71d305dfd7f14ba760e795d49cf50b91381190f3 100644 (file)
--- a/src/openpower/decoder/helpers.py
+++ b/src/openpower/decoder/helpers.py
@@ -843,6 +843,9 @@ class ISACallerHelper:
         value = rotl(value, bits, self.XLEN)
         return value
 
+    def ROTL128(self, value, bits):
+        return rotl(value, bits, self.XLEN*2)
+
     def ROTL64(self, value, bits):
         return rotl(value, bits, self.XLEN)