From: Eddie Hung <eddie@fpgeh.com>
Date: Thu, 12 Dec 2019 22:32:29 +0000 (-0800)
Subject: tribuf: set scratchpad boolean 'tribuf.added_something'
X-Git-Tag: working-ls180~846^2~3
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=abf99d4dae8a464910b81122f9720660c59a631e;p=yosys.git

tribuf: set scratchpad boolean 'tribuf.added_something'
---

diff --git a/passes/techmap/tribuf.cc b/passes/techmap/tribuf.cc
index 41fdc8f3d..decf9a202 100644
--- a/passes/techmap/tribuf.cc
+++ b/passes/techmap/tribuf.cc
@@ -86,6 +86,7 @@ struct TribufWorker {
 					cell->unsetPort(ID(S));
 					cell->type = tri_type;
 					tribuf_cells[sigmap(cell->getPort(ID::Y))].push_back(cell);
+					module->design->scratchpad_set_bool("tribuf.added_something", true);
 					continue;
 				}
 
@@ -95,6 +96,7 @@ struct TribufWorker {
 					cell->unsetPort(ID(S));
 					cell->type = tri_type;
 					tribuf_cells[sigmap(cell->getPort(ID::Y))].push_back(cell);
+					module->design->scratchpad_set_bool("tribuf.added_something", true);
 					continue;
 				}
 			}
@@ -130,8 +132,10 @@ struct TribufWorker {
 
 				if (no_tribuf)
 					module->connect(it.first, muxout);
-				else
+				else {
 					module->addTribuf(NEW_ID, muxout, module->ReduceOr(NEW_ID, pmux_s), it.first);
+					module->design->scratchpad_set_bool("tribuf.added_something", true);
+				}
 			}
 		}
 	}