MIPS/model/div_signed.v

module div_signed(
    input         aclk,
    input         s_axis_dividend_tvalid,
    input  [31:0] s_axis_dividend_tdata,
    input         s_axis_divisor_tvalid,
    input  [31:0] s_axis_divisor_tdata,
    output        m_axis_dout_tvalid,
    output [63:0] m_axis_dout_tdata
);

    reg        valid, nxtValid;
    reg [63:0] data,  nxtData;

    assign m_axis_dout_tvalid = nxtValid;
    assign m_axis_dout_tdata  = nxtData;

    always @(posedge aclk) begin
        nxtValid <= valid;
        nxtData  <= data;
        if (s_axis_dividend_tvalid & s_axis_divisor_tvalid) begin
            valid <= 1'b1;
            data  <= {
                        $signed(s_axis_divisor_tdata) % $signed(s_axis_dividend_tdata),
                        $signed(s_axis_divisor_tdata) / $signed(s_axis_dividend_tdata)
                     };
        end
    end


endmodule