(* abc9_box *) module MISTRAL_MUL27x27(input [26:0] A, input [26:0] B, output [53:0] Y); specify (A *> Y) = 4057; (B *> Y) = 4057; endspecify assign Y = $signed(A) * $signed(B); endmodule (* abc9_box *) module MISTRAL_MUL18X18(input [17:0] A, input [17:0] B, output [35:0] Y); specify (A *> Y) = 4057; (B *> Y) = 4057; endspecify assign Y = $signed(A) * $signed(B); endmodule (* abc9_box *) module MISTRAL_MUL9X9(input [8:0] A, input [8:0] B, output [17:0] Y); specify (A *> Y) = 4057; (B *> Y) = 4057; endspecify assign Y = $signed(A) * $signed(B); endmodule