From 28962ff438a4d2f811dcd579581c80b574ae18e1 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Mon, 19 Oct 2015 15:58:21 +0800
Subject: [PATCH] sim/core: truncate evaluated values before test in If

---
 migen/sim/core.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/migen/sim/core.py b/migen/sim/core.py
index 0de231f29..af3f3734f 100644
--- a/migen/sim/core.py
+++ b/migen/sim/core.py
@@ -181,7 +181,7 @@ class Evaluator:
             if isinstance(s, _Assign):
                 self.assign(s.l, self.eval(s.r))
             elif isinstance(s, If):
-                if self.eval(s.cond):
+                if self.eval(s.cond) & (2**len(s.cond) - 1):
                     self.execute(s.t)
                 else:
                     self.execute(s.f)