From fc3b3c4ec3955b165166d9f44965fac0e1879505 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Fri, 7 Feb 2014 17:44:57 +0100
Subject: Added $slice and $concat cell types

---
 passes/techmap/simplemap.cc | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'passes/techmap/simplemap.cc')

diff --git a/passes/techmap/simplemap.cc b/passes/techmap/simplemap.cc
index e06a80bbd..e67b1e055 100644
--- a/passes/techmap/simplemap.cc
+++ b/passes/techmap/simplemap.cc
@@ -312,6 +312,22 @@ static void simplemap_mux(RTLIL::Module *module, RTLIL::Cell *cell)
 	}
 }
 
+static void simplemap_slice(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+	int offset = cell->parameters.at("\\OFFSET").as_int();
+	RTLIL::SigSpec sig_a = cell->connections.at("\\A");
+	RTLIL::SigSpec sig_y = cell->connections.at("\\Y");
+	module->connections.push_back(RTLIL::SigSig(sig_y, sig_a.extract(offset, sig_y.width)));
+}
+
+static void simplemap_concat(RTLIL::Module *module, RTLIL::Cell *cell)
+{
+	RTLIL::SigSpec sig_ab = cell->connections.at("\\A");
+	sig_ab.append(cell->connections.at("\\B"));
+	RTLIL::SigSpec sig_y = cell->connections.at("\\Y");
+	module->connections.push_back(RTLIL::SigSig(sig_y, sig_ab));
+}
+
 static void simplemap_sr(RTLIL::Module *module, RTLIL::Cell *cell)
 {
 	int width = cell->parameters.at("\\WIDTH").as_int();
@@ -480,6 +496,8 @@ void simplemap_get_mappers(std::map<std::string, void(*)(RTLIL::Module*, RTLIL::
 	mappers["$logic_and"]   = simplemap_logbin;
 	mappers["$logic_or"]    = simplemap_logbin;
 	mappers["$mux"]         = simplemap_mux;
+	mappers["$slice"]       = simplemap_slice;
+	mappers["$concat"]      = simplemap_concat;
 	mappers["$sr"]          = simplemap_sr;
 	mappers["$dff"]         = simplemap_dff;
 	mappers["$dffsr"]       = simplemap_dffsr;
-- 
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