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-rw-r--r--techlibs/xilinx/dsp_map.v2
1 files changed, 1 insertions, 1 deletions
diff --git a/techlibs/xilinx/dsp_map.v b/techlibs/xilinx/dsp_map.v
index 28e456898..32f570935 100644
--- a/techlibs/xilinx/dsp_map.v
+++ b/techlibs/xilinx/dsp_map.v
@@ -1,4 +1,4 @@
-module \$__MUL25X18 (input [24:0] A, input [17:0] B, output [42:0] Y);
+module \$__MUL25X18 (input signed [24:0] A, input signed [17:0] B, output signed [42:0] Y);
wire [47:0] P_48;
DSP48E1 #(
// Disable all registers