// Generated by CIRCT firtool-1.151.0
module RoundAnyRawFNToRecFN_4(
  input         io_invalidExc,
                io_infiniteExc,
                io_in_isNaN,
                io_in_isInf,
                io_in_isZero,
                io_in_sign,
  input  [12:0] io_in_sExp,
  input  [55:0] io_in_sig,
  input  [2:0]  io_roundingMode,
  output [64:0] io_out,
  output [4:0]  io_exceptionFlags
);

  wire        roundingMode_near_even = io_roundingMode == 3'h0;
  wire        roundingMode_odd = io_roundingMode == 3'h6;
  wire        roundMagUp =
    io_roundingMode == 3'h2 & io_in_sign | io_roundingMode == 3'h3 & ~io_in_sign;
  wire [11:0] _roundMask_T_1 = ~(io_in_sExp[11:0]);
  wire [64:0] roundMask_shift =
    $unsigned($signed(65'sh10000000000000000 >>> _roundMask_T_1[5:0]));
  wire [31:0] _roundMask_T_12 =
    {16'h0, roundMask_shift[44:29]} | {roundMask_shift[28:13], 16'h0};
  wire [31:0] _roundMask_T_22 =
    {8'h0, _roundMask_T_12[31:8] & 24'hFF00FF}
    | {_roundMask_T_12[23:0] & 24'hFF00FF, 8'h0};
  wire [31:0] _roundMask_T_32 =
    {4'h0, _roundMask_T_22[31:4] & 28'hF0F0F0F}
    | {_roundMask_T_22[27:0] & 28'hF0F0F0F, 4'h0};
  wire [31:0] _roundMask_T_42 =
    {2'h0, _roundMask_T_32[31:2] & 30'h33333333}
    | {_roundMask_T_32[29:0] & 30'h33333333, 2'h0};
  wire [15:0] _roundMask_T_63 =
    {8'h0, roundMask_shift[60:53]} | {roundMask_shift[52:45], 8'h0};
  wire [15:0] _roundMask_T_73 =
    {4'h0, _roundMask_T_63[15:4] & 12'hF0F} | {_roundMask_T_63[11:0] & 12'hF0F, 4'h0};
  wire [15:0] _roundMask_T_83 =
    {2'h0, _roundMask_T_73[15:2] & 14'h3333} | {_roundMask_T_73[13:0] & 14'h3333, 2'h0};
  wire [64:0] roundMask_shift_1 =
    $unsigned($signed(65'sh10000000000000000 >>> _roundMask_T_1[5:0]));
  wire [53:0] _roundMask_T_128 =
    _roundMask_T_1[11]
      ? (_roundMask_T_1[10]
           ? {~(_roundMask_T_1[9] | _roundMask_T_1[8] | _roundMask_T_1[7]
                | _roundMask_T_1[6]
                  ? 51'h0
                  : ~{{1'h0, _roundMask_T_42[31:1] & 31'h55555555}
                        | {_roundMask_T_42[30:0] & 31'h55555555, 1'h0},
                      {1'h0, _roundMask_T_83[15:1] & 15'h5555}
                        | {_roundMask_T_83[14:0] & 15'h5555, 1'h0},
                      roundMask_shift[61],
                      roundMask_shift[62],
                      roundMask_shift[63]}),
              3'h7}
           : {51'h0,
              _roundMask_T_1[9] & _roundMask_T_1[8] & _roundMask_T_1[7]
              & _roundMask_T_1[6]
                ? {roundMask_shift_1[0], roundMask_shift_1[1], roundMask_shift_1[2]}
                : 3'h0})
      : 54'h0;
  wire        _common_underflow_T_4 = _roundMask_T_128[0] | io_in_sig[55];
  wire [54:0] _GEN = {1'h1, ~(_roundMask_T_128[53:1]), ~_common_underflow_T_4};
  wire [54:0] _GEN_0 = {_roundMask_T_128[53:1], _common_underflow_T_4, 1'h1};
  wire [54:0] _roundPosBit_T = io_in_sig[55:1] & _GEN & _GEN_0;
  wire        roundPosBit = |_roundPosBit_T;
  wire [54:0] _anyRoundExtra_T = io_in_sig[54:0] & _GEN_0;
  wire        anyRound = |{_roundPosBit_T, _anyRoundExtra_T};
  wire        _overflow_roundMagUp_T = roundingMode_near_even | io_roundingMode == 3'h4;
  wire [54:0] roundedSig =
    _overflow_roundMagUp_T & roundPosBit | roundMagUp & anyRound
      ? {1'h0, io_in_sig[55:2] | {_roundMask_T_128[53:1], _common_underflow_T_4}} + 55'h1
        & ~(roundingMode_near_even & roundPosBit & _anyRoundExtra_T == 55'h0
              ? {_roundMask_T_128[53:1], _common_underflow_T_4, 1'h1}
              : 55'h0)
      : {1'h0, io_in_sig[55:2] & {~(_roundMask_T_128[53:1]), ~_common_underflow_T_4}}
        | (roundingMode_odd & anyRound ? _GEN & _GEN_0 : 55'h0);
  wire [13:0] sRoundedExp = {io_in_sExp[12], io_in_sExp} + {12'h0, roundedSig[54:53]};
  wire        common_totalUnderflow = $signed(sRoundedExp) < 14'sh3CE;
  wire        isNaNOut = io_invalidExc | io_in_isNaN;
  wire        notNaN_isSpecialInfOut = io_infiniteExc | io_in_isInf;
  wire        commonCase = ~isNaNOut & ~notNaN_isSpecialInfOut & ~io_in_isZero;
  wire        overflow = commonCase & $signed(sRoundedExp[13:10]) > 4'sh2;
  wire        overflow_roundMagUp = _overflow_roundMagUp_T | roundMagUp;
  wire        pegMinNonzeroMagOut =
    commonCase & common_totalUnderflow & (roundMagUp | roundingMode_odd);
  wire        pegMaxFiniteMagOut = overflow & ~overflow_roundMagUp;
  wire        notNaN_isInfOut = notNaN_isSpecialInfOut | overflow & overflow_roundMagUp;
  assign io_out =
    {~isNaNOut & io_in_sign,
     sRoundedExp[11:0] & ~(io_in_isZero | common_totalUnderflow ? 12'hE00 : 12'h0)
       & ~(pegMinNonzeroMagOut ? 12'hC31 : 12'h0) & {1'h1, ~pegMaxFiniteMagOut, 10'h3FF}
       & {2'h3, ~notNaN_isInfOut, 9'h1FF} | (pegMinNonzeroMagOut ? 12'h3CE : 12'h0)
       | (pegMaxFiniteMagOut ? 12'hBFF : 12'h0) | (notNaN_isInfOut ? 12'hC00 : 12'h0)
       | (isNaNOut ? 12'hE00 : 12'h0),
     (isNaNOut | io_in_isZero | common_totalUnderflow
        ? {isNaNOut, 51'h0}
        : io_in_sig[55] ? roundedSig[52:1] : roundedSig[51:0])
       | {52{pegMaxFiniteMagOut}}};
  assign io_exceptionFlags =
    {io_invalidExc,
     io_infiniteExc,
     overflow,
     commonCase
       & (common_totalUnderflow | anyRound & io_in_sExp[12:11] != 2'h1
          & (io_in_sig[55] ? _roundMask_T_128[1] : _common_underflow_T_4)
          & ~(~(io_in_sig[55] ? _roundMask_T_128[2] : _roundMask_T_128[1])
              & (io_in_sig[55] ? roundedSig[54] : roundedSig[53]) & roundPosBit
              & (_overflow_roundMagUp_T & (io_in_sig[55] ? io_in_sig[2] : io_in_sig[1])
                 | roundMagUp & (|{io_in_sig[55] & io_in_sig[2], io_in_sig[1:0]})))),
     overflow | commonCase
       & (|{common_totalUnderflow, _roundPosBit_T, _anyRoundExtra_T})};
endmodule