From: Clifford Wolf <clifford@clifford.at>
Date: Sat, 18 Jan 2014 01:56:36 +0000 (+0100)
Subject: Improved setundef random number generator
X-Git-Tag: yosys-0.2.0~163
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=839af272adeb6e15c0b1fd1c35249db4a9da9f4d;p=yosys.git

Improved setundef random number generator
---

diff --git a/passes/cmds/setundef.cc b/passes/cmds/setundef.cc
index 394834a36..9d59834c2 100644
--- a/passes/cmds/setundef.cc
+++ b/passes/cmds/setundef.cc
@@ -40,7 +40,7 @@ static RTLIL::State next_bit()
 	next_bit_state ^= next_bit_state << 5;
 	log_assert(next_bit_state != 0);
 
-	return ((next_bit_state >> (next_bit_state & 15)) & 1) ? RTLIL::State::S0 : RTLIL::State::S1;
+	return ((next_bit_state >> (next_bit_state & 15)) & 16) ? RTLIL::State::S0 : RTLIL::State::S1;
 }
 
 struct SetundefWorker