From: Clifford Wolf <clifford@clifford.at>
Date: Fri, 22 Apr 2016 16:00:46 +0000 (+0200)
Subject: Added support for "active high" and "active low" latches in BLIF back-end
X-Git-Tag: yosys-0.7~254^2~2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=60ac1bd178eef96b5cc34091dca7552cc3cad70f;p=yosys.git

Added support for "active high" and "active low" latches in BLIF back-end
---

diff --git a/backends/blif/blif.cc b/backends/blif/blif.cc
index f9de87d9f..27f08ea1a 100644
--- a/backends/blif/blif.cc
+++ b/backends/blif/blif.cc
@@ -317,6 +317,18 @@ struct BlifDumper
 				continue;
 			}
 
+			if (!config->icells_mode && cell->type == "$_DLATCH_N_") {
+				f << stringf(".latch %s %s al %s%s\n", cstr(cell->getPort("\\D")), cstr(cell->getPort("\\Q")),
+						cstr(cell->getPort("\\E")), cstr_init(cell->getPort("\\Q")));
+				continue;
+			}
+
+			if (!config->icells_mode && cell->type == "$_DLATCH_P_") {
+				f << stringf(".latch %s %s ah %s%s\n", cstr(cell->getPort("\\D")), cstr(cell->getPort("\\Q")),
+						cstr(cell->getPort("\\E")), cstr_init(cell->getPort("\\Q")));
+				continue;
+			}
+
 			if (!config->icells_mode && cell->type == "$lut") {
 				f << stringf(".names");
 				auto &inputs = cell->getPort("\\A");