From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 4 Apr 2020 16:15:17 +0000 (+0100)
Subject: allow int in addition and subtraction
X-Git-Tag: div_pipeline~1530
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0fab64475349665fae53c30970a6a66b969cc614;p=soc.git

allow int in addition and subtraction
---

diff --git a/src/soc/decoder/selectable_int.py b/src/soc/decoder/selectable_int.py
index b8998b89..1dd41511 100644
--- a/src/soc/decoder/selectable_int.py
+++ b/src/soc/decoder/selectable_int.py
@@ -9,10 +9,14 @@ class SelectableInt:
         self.bits = bits
 
     def __add__(self, b):
+        if isinstance(b, int):
+            b = SelectableInt(b, self.bits)
         assert b.bits == self.bits
         return SelectableInt(self.value + b.value, self.bits)
 
     def __sub__(self, b):
+        if isinstance(b, int):
+            b = SelectableInt(b, self.bits)
         assert b.bits == self.bits
         return SelectableInt(self.value - b.value, self.bits)