use both 1'b1 in CO extraction to make pattern simpler in nextpnr

YosysHQ · Apr 24, 2024 · f91c8b5 · f91c8b5
1 parent e5535b9
commit f91c8b5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/techlibs/nanoxplore/arith_map.v b/techlibs/nanoxplore/arith_map.v
@@ -66,8 +66,8 @@ module _80_nx_cy_alu (A, B, CI, BI, X, Y, CO);
 
 	NX_CY_1BIT alu_cout(
 		.CI(COx[Y_WIDTH-1]),
-		.A(1'b0),
-		.B(1'b0),
+		.A(1'b1),
+		.B(1'b1),
 		.S(CO[Y_WIDTH-1])
 	);