yosys/tests/opt/opt_share_large_pmux_cat.v

22 lines
390 B
Verilog

module opt_share_test(
input [15:0] a,
input [15:0] b,
input [15:0] c,
input [2:0] sel,
output reg [31:0] res
);
always @* begin
case(sel)
0: res = {a + b, a};
1: res = {a - b, b};
2: res = {a + c, c};
3: res = {a - c, a};
4: res = {b, b};
5: res = {c, c};
default: res = 32'bx;
endcase
end
endmodule