Add dff_buf for buffered flop arrays.

compiler/tests/11_dff_buf_test.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python2.7
+"""
+Run a regresion test on a dff_buf.
+"""
+
+import unittest
+from testutils import header,openram_test
+import sys,os
+sys.path.append(os.path.join(sys.path[0],".."))
+import globals
+from globals import OPTS
+import debug
+
+class dff_buf_test(openram_test):
+
+    def runTest(self):
+        globals.init_openram("config_20_{0}".format(OPTS.tech_name))
+        global verify
+        import verify
+        OPTS.check_lvsdrc = False
+
+        import dff_buf
+
+        debug.info(2, "Testing dff_buf 4x 8x")
+        a = dff_buf.dff_buf(4, 8)
+        self.local_check(a)
+
+        OPTS.check_lvsdrc = True
+        globals.end_openram()
+
+# instantiate a copdsay of the class to actually run the test
+if __name__ == "__main__":
+    (OPTS, args) = globals.parse_args()
+    del sys.argv[1:]
+    header(__file__, OPTS.tech_name)
+    unittest.main()