manual/PRESENTATION_ExAdv/macc_simple_test_02.v - third_party/yosys - Git at Google

 module test(a, b, c, d, x, y);
 input [15:0] a, b, c, d;
 input [31:0] x;
 output [31:0] y;
 assign y = a*b + (c*d + x);
 endmodule
	module test(a, b, c, d, x, y);
	input [15:0] a, b, c, d;
	input [31:0] x;
	output [31:0] y;
	assign y = ab + (cd + x);
	endmodule