1 files changed, 17 insertions, 0 deletions
diff --git a/ARMeilleure/Instructions/SoftFallback.cs b/ARMeilleure/Instructions/SoftFallback.cs
index ef00fd9d..1d8fa2e2 100644
--- a/ARMeilleure/Instructions/SoftFallback.cs
+++ b/ARMeilleure/Instructions/SoftFallback.cs
@@ -1260,5 +1260,22 @@ namespace ARMeilleure.Instructions
                 : (uint)(value >> 32);
         }
 #endregion
+
+        public static V128 PolynomialMult64_128(ulong op1, ulong op2)
+        {
+            V128 result = V128.Zero;
+
+            V128 op2_128 = new V128(op2, 0);
+
+            for (int i = 0; i < 64; i++)
+            {
+                if (((op1 >> i) & 1) == 1)
+                {
+                    result ^= op2_128 << i;
+                }
+            }
+
+            return result;
+        }
     }
 }