module __float64__floor_with_denorms(
  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__1;
  wire [10:0] exp__1;
  wire literal_768;
  wire [51:0] f_fraction__1;
  wire [51:0] fractional_mask__1;
  wire [52:0] fraction_up__2;
  wire [10:0] literal_776;
  wire [10:0] EXPR_MASK;
  wire and_reduce_782;
  wire eq_784;
  wire eq_785;
  wire f_sign__1;
  wire [51:0] fraction_integral__2;
  wire [51:0] fraction_integral__4;
  wire and_792;
  wire [10:0] sign_ext_796;
  wire or_800;
  wire nor_801;
  wire ult_804;
  wire [10:0] add_808;
  wire [51:0] sel_810;
  wire [63:0] tuple_826;
  assign f_bexp__1 = f[62:52];
  assign exp__1 = f_bexp__1 + 11'h401;
  assign literal_768 = 1'h0;
  assign f_fraction__1 = 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 fraction_up__2 = {literal_768, f_fraction__1} + {literal_768, fractional_mask__1};
  assign literal_776 = 11'h000;
  assign EXPR_MASK = 11'h7ff;
  assign and_reduce_782 = &f_bexp__1[9:0];
  assign eq_784 = f_fraction__1 == 52'h0_0000_0000_0000;
  assign eq_785 = f_bexp__1 == EXPR_MASK;
  assign f_sign__1 = f[63:63];
  assign fraction_integral__2 = ~(~f_fraction__1 | fractional_mask__1);
  assign fraction_integral__4 = ~(~fraction_up__2[51:0] | fractional_mask__1);
  assign and_792 = f_bexp__1 == literal_776 & eq_784;
  assign sign_ext_796 = {11{f_sign__1}};
  assign or_800 = and_792 | eq_785 & eq_784;
  assign nor_801 = ~(~eq_785 | eq_784);
  assign ult_804 = f_bexp__1 < 11'h433;
  assign add_808 = f_bexp__1 + ({10'h000, fraction_up__2[52]} & sign_ext_796);
  assign sel_810 = ult_804 ? (f_sign__1 ? fraction_integral__4 : fraction_integral__2) & {52{f_bexp__1[10] | and_reduce_782}} : f_fraction__1;
  assign tuple_826 = {~(nor_801 | ~f_sign__1), priority_sel_11b_2way({and_792, eq_785}, EXPR_MASK, literal_776, ult_804 ? (~(f_bexp__1[10] | and_reduce_782) ? {literal_768, sign_ext_796[9:0]} : add_808) : f_bexp__1), {priority_sel_1b_2way({or_800, nor_801}, 1'h1, literal_768, sel_810[51]), sel_810[50:0] & {51{~(or_800 | nor_801)}}}};
  assign out = tuple_826;
endmodule