From 5562cb08a47881bee30bf79f8ca720b997166b2f Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Thu, 18 Jul 2019 13:09:55 -0700
Subject: [PATCH] Use single DSP_SIGNEDONLY macro

---
 techlibs/xilinx/synth_xilinx.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index 2e2fbbd9d..e5a27015a 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -286,7 +286,7 @@ struct SynthXilinxPass : public ScriptPass
 
 			if (!nodsp || help_mode) {
 				// NB: Xilinx multipliers are signed only
-				run("techmap -map +/mul2dsp.v -D DSP_A_MAXWIDTH=25 -D DSP_A_SIGNEDONLY=1 -D DSP_B_MAXWIDTH=18 -D DSP_B_SIGNEDONLY=1 -D DSP_NAME=$__MUL25X18");
+				run("techmap -map +/mul2dsp.v -D DSP_A_MAXWIDTH=25 -D DSP_B_MAXWIDTH=18 -D DSP_SIGNEDONLY=1 -D DSP_NAME=$__MUL25X18");
 			}
 
 			run("alumacc");
-- 
2.30.2