module __float64__floor_daz(
  input wire [63:0] f,
  output wire [63:0] out
);
  function automatic priority_sel_1b_2way (input reg [1:0] sel, input reg case0, input reg case1, input reg default_value);
    begin
      casez (sel)
        2'b?1: begin
          priority_sel_1b_2way = case0;
        end
        2'b10: begin
          priority_sel_1b_2way = case1;
        end
        2'b00: begin
          priority_sel_1b_2way = default_value;
        end
        default: begin
          // Propagate X
          priority_sel_1b_2way = 1'dx;
        end
      endcase
    end
  endfunction
  function automatic [10:0] priority_sel_11b_2way (input reg [1:0] sel, input reg [10:0] case0, input reg [10:0] case1, input reg [10:0] default_value);
    begin
      casez (sel)
        2'b?1: begin
          priority_sel_11b_2way = case0;
        end
        2'b10: begin
          priority_sel_11b_2way = case1;
        end
        2'b00: begin
          priority_sel_11b_2way = default_value;
        end
        default: begin
          // Propagate X
          priority_sel_11b_2way = 11'dx;
        end
      endcase
    end
  endfunction
  wire [10:0] f_bexp__2;
  wire [10:0] exp__1;
  wire literal_871;
  wire [51:0] tuple_index_872;
  wire [51:0] fractional_mask__1;
  wire [10:0] literal_874;
  wire eq_877;
  wire [52:0] fraction_up__2;
  wire and_reduce_886;
  wire f_sign__1;
  wire [10:0] EXPR_MASK;
  wire [51:0] f_fraction__1;
  wire [51:0] fraction_integral__2;
  wire [51:0] fraction_integral__4;
  wire [10:0] sign_ext_897;
  wire eq_898;
  wire eq_899;
  wire ult_907;
  wire [10:0] add_910;
  wire nor_913;
  wire [51:0] sel_914;
  wire [63:0] tuple_930;
  assign f_bexp__2 = f[62:52];
  assign exp__1 = f_bexp__2 + 11'h401;
  assign literal_871 = 1'h0;
  assign tuple_index_872 = f[51:0];
  assign fractional_mask__1 = {{21{exp__1[10]}}, exp__1} >= 32'h0000_0034 ? 52'h0_0000_0000_0000 : 52'hf_ffff_ffff_ffff >> {{21{exp__1[10]}}, exp__1};
  assign literal_874 = 11'h000;
  assign eq_877 = f_bexp__2 == literal_874;
  assign fraction_up__2 = {literal_871, tuple_index_872} + {literal_871, fractional_mask__1};
  assign and_reduce_886 = &f_bexp__2[9:0];
  assign f_sign__1 = f[63:63];
  assign EXPR_MASK = 11'h7ff;
  assign f_fraction__1 = tuple_index_872 & {52{~eq_877}};
  assign fraction_integral__2 = ~(~tuple_index_872 | fractional_mask__1);
  assign fraction_integral__4 = ~(~fraction_up__2[51:0] | fractional_mask__1);
  assign sign_ext_897 = {11{f_sign__1}};
  assign eq_898 = f_bexp__2 == EXPR_MASK;
  assign eq_899 = f_fraction__1 == 52'h0_0000_0000_0000;
  assign ult_907 = f_bexp__2 < 11'h433;
  assign add_910 = f_bexp__2 + ({10'h000, fraction_up__2[52]} & sign_ext_897);
  assign nor_913 = ~(~eq_898 | eq_899);
  assign sel_914 = ult_907 ? (f_sign__1 ? fraction_integral__4 : fraction_integral__2) & {52{f_bexp__2[10] | and_reduce_886}} : tuple_index_872;
  assign tuple_930 = {~(nor_913 | ~f_sign__1), priority_sel_11b_2way({eq_877, eq_898}, EXPR_MASK, literal_874, ult_907 ? (~(f_bexp__2[10] | and_reduce_886) ? {literal_871, sign_ext_897[9:0]} : add_910) : f_bexp__2), {priority_sel_1b_2way({eq_877 | eq_898 & eq_899, nor_913}, 1'h1, literal_871, sel_914[51]), sel_914[50:0] & {51{~(eq_877 | eq_898)}}}};
  assign out = tuple_930;
endmodule