From ebd7f2b366a9d71b94ffcfd521d0611c55d7362d Mon Sep 17 00:00:00 2001
From: "Emil J. Tywoniak" <emil@tywoniak.eu>
Date: Mon, 2 Dec 2024 09:54:24 +0100
Subject: [PATCH] techlibs: add _TECHMAP_DO_ to Han-Carlson adder

---
 techlibs/common/choices/han-carlson.v | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/techlibs/common/choices/han-carlson.v b/techlibs/common/choices/han-carlson.v
index 2ddcf75e9..0ce8ee207 100644
--- a/techlibs/common/choices/han-carlson.v
+++ b/techlibs/common/choices/han-carlson.v
@@ -13,6 +13,8 @@ module _80_lcu_han_carlson (P, G, CI, CO);
 	(* force_downto *)
 	reg [WIDTH-1:0] p, g;
 
+	wire [1023:0] _TECHMAP_DO_ = "proc; opt -fast";
+
 	always @* begin
 		i = 0;
 		p = P;