From: Clifford Wolf <clifford@clifford.at>
Date: Fri, 20 Dec 2013 11:13:51 +0000 (+0100)
Subject: Fixed dfflibmap endless-loop bug
X-Git-Tag: yosys-0.2.0~235
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=404bcc2d1ed64dffa92b9891d930c6c53c192c1c;p=yosys.git

Fixed dfflibmap endless-loop bug
---

diff --git a/passes/techmap/dfflibmap.cc b/passes/techmap/dfflibmap.cc
index 49b980596..c35a09c26 100644
--- a/passes/techmap/dfflibmap.cc
+++ b/passes/techmap/dfflibmap.cc
@@ -482,6 +482,7 @@ struct DfflibmapPass : public Pass {
 			keep_running |= expand_cellmap("$_DFFSR_??*_", "R");
 		} while (keep_running);
 		do {
+			keep_running = false;
 			keep_running |= expand_cellmap("$_DFF_*_", "C");
 			keep_running |= expand_cellmap("$_DFF_*??_", "C");
 			keep_running |= expand_cellmap("$_DFFSR_*??_", "C");