// Generated by CIRCT firtool-1.151.0
module MulAddRecFNToRaw_preMul(
  input  [1:0]  io_op,
  input  [32:0] io_a,
                io_b,
                io_c,
  output [23:0] io_mulAddA,
                io_mulAddB,
  output [47:0] io_mulAddC,
  output        io_toPostMul_isSigNaNAny,
                io_toPostMul_isNaNAOrB,
                io_toPostMul_isInfA,
                io_toPostMul_isZeroA,
                io_toPostMul_isInfB,
                io_toPostMul_isZeroB,
                io_toPostMul_signProd,
                io_toPostMul_isNaNC,
                io_toPostMul_isInfC,
                io_toPostMul_isZeroC,
  output [9:0]  io_toPostMul_sExpSum,
  output        io_toPostMul_doSubMags,
                io_toPostMul_CIsDominant,
  output [4:0]  io_toPostMul_CDom_CAlignDist,
  output [25:0] io_toPostMul_highAlignedSigC,
  output        io_toPostMul_bit0AlignedSigC
);

  wire        _rawA_out_sig_T = |(io_a[31:29]);
  wire        rawA_isSpecial = &(io_a[31:30]);
  wire        rawA_isNaN = rawA_isSpecial & io_a[29];
  wire        _rawB_out_sig_T = |(io_b[31:29]);
  wire        rawB_isSpecial = &(io_b[31:30]);
  wire        rawB_isNaN = rawB_isSpecial & io_b[29];
  wire        _rawC_out_sig_T = |(io_c[31:29]);
  wire        rawC_isSpecial = &(io_c[31:30]);
  wire        rawC_isNaN = rawC_isSpecial & io_c[29];
  wire        signProd = io_a[32] ^ io_b[32] ^ io_op[1];
  wire [10:0] _sExpAlignedProd_T_1 = {2'h0, io_a[31:23]} + {2'h0, io_b[31:23]} - 11'hE5;
  wire        doSubMags = signProd ^ io_c[32] ^ io_op[0];
  wire [10:0] _sNatCAlignDist_T = _sExpAlignedProd_T_1 - {2'h0, io_c[31:23]};
  wire        isMinCAlign =
    ~_rawA_out_sig_T | ~_rawB_out_sig_T | $signed(_sNatCAlignDist_T) < 11'sh0;
  wire        CIsDominant =
    _rawC_out_sig_T & (isMinCAlign | _sNatCAlignDist_T[9:0] < 10'h19);
  wire [6:0]  CAlignDist =
    isMinCAlign ? 7'h0 : _sNatCAlignDist_T[9:0] < 10'h4A ? _sNatCAlignDist_T[6:0] : 7'h4A;
  wire [77:0] mainAlignedSigC =
    $unsigned($signed($signed({doSubMags
                                 ? {1'h1, ~_rawC_out_sig_T, ~(io_c[22:0])}
                                 : {1'h0, _rawC_out_sig_T, io_c[22:0]},
                               {53{doSubMags}}}) >>> CAlignDist));
  wire [32:0] reduced4CExtra_shift =
    $unsigned($signed(33'sh100000000 >>> CAlignDist[6:2]));
  wire [5:0]  _GEN =
    {|(io_c[21:18]),
     |(io_c[17:14]),
     |(io_c[13:10]),
     |(io_c[9:6]),
     |(io_c[5:2]),
     |(io_c[1:0])}
    & {reduced4CExtra_shift[14],
       reduced4CExtra_shift[15],
       reduced4CExtra_shift[16],
       reduced4CExtra_shift[17],
       reduced4CExtra_shift[18],
       reduced4CExtra_shift[19]};
  assign io_mulAddA = {_rawA_out_sig_T, io_a[22:0]};
  assign io_mulAddB = {_rawB_out_sig_T, io_b[22:0]};
  assign io_mulAddC = mainAlignedSigC[50:3];
  assign io_toPostMul_isSigNaNAny =
    rawA_isNaN & ~(io_a[22]) | rawB_isNaN & ~(io_b[22]) | rawC_isNaN & ~(io_c[22]);
  assign io_toPostMul_isNaNAOrB = rawA_isNaN | rawB_isNaN;
  assign io_toPostMul_isInfA = rawA_isSpecial & ~(io_a[29]);
  assign io_toPostMul_isZeroA = ~_rawA_out_sig_T;
  assign io_toPostMul_isInfB = rawB_isSpecial & ~(io_b[29]);
  assign io_toPostMul_isZeroB = ~_rawB_out_sig_T;
  assign io_toPostMul_signProd = signProd;
  assign io_toPostMul_isNaNC = rawC_isNaN;
  assign io_toPostMul_isInfC = rawC_isSpecial & ~(io_c[29]);
  assign io_toPostMul_isZeroC = ~_rawC_out_sig_T;
  assign io_toPostMul_sExpSum =
    CIsDominant ? {1'h0, io_c[31:23]} : _sExpAlignedProd_T_1[9:0] - 10'h18;
  assign io_toPostMul_doSubMags = doSubMags;
  assign io_toPostMul_CIsDominant = CIsDominant;
  assign io_toPostMul_CDom_CAlignDist = CAlignDist[4:0];
  assign io_toPostMul_highAlignedSigC = mainAlignedSigC[76:51];
  assign io_toPostMul_bit0AlignedSigC =
    doSubMags
      ? (&(mainAlignedSigC[2:0])) & _GEN == 6'h0
      : (|{mainAlignedSigC[2:0], _GEN});
endmodule