op_normalise does not need overflow class arg

diff --git a/src/add/fpbase.py b/src/add/fpbase.py
index 6ffb01650e2a35d5bcf8462073833b8912a93746..01bf3faa1398b89ebe98dcedc6f8500a7e20da33 100644 (file)
--- a/src/add/fpbase.py
+++ b/src/add/fpbase.py
@@ -142,7 +142,7 @@ class FPBase:
         with m.Else():
             m.d.sync += a.m[-1].eq(1) # set top mantissa bit
 
-    def op_normalise(self, m, op, of, next_state):
+    def op_normalise(self, m, op, next_state):
         """ operand normalisation
             NOTE: just like "align", this one keeps going round every clock
                   until the result's exponent is within acceptable "range"