PfpRpRehashIfNeeded

__int64 __fastcall PfpRpRehashIfNeeded(__int64 a1, void **a2, unsigned int a3){
  unsigned int v4; 
  unsigned int v6; 
  unsigned int v7; 
  unsigned int v8; 
  int v9; 
  char *v11; 
  __int64 v12; 
  unsigned __int64 v13; 
  unsigned int v14; 
  __int64 v15; 
  __int64 v16; 
  _QWORD *v17; 
  __int64 v18; 
  void *v19; 
  char i; 
  __int64 v21; 
  v4 = 0;
  v6 = 0;
  v7 = *(_DWORD *)(a1 + 4);
  v8 = 2 * (v7 >> 5);
  if( *(_DWORD *)a1 >= v8 )
  {
    v6 = 2 * (*(_DWORD *)(a1 + 4) >> 5);
    if( !v8 )
      v6 = 64;
    v9 = 1;
  }
  else
  {
    v9 = 0;
  }
  if( v9 && v6 <= a3 )
  {
    v11 = (char *)*a2;
    v12 = a3;
    if( ((a3 - 1) & a3) != 0 )
    {
      for( i = -1; a3; a3 >>= 1 )
        ++i;
      v12 = (unsigned int)(1 << i);
    }
    if( (unsigned int)v12 > 0x4000000 )
      v12 = 0x4000000i64;
    v13 = (unsigned int)v12;
    if( v11 > &v11[8 * v12] )
      v13 = 0i64;
    if( v13 )
      memset64(v11, a1 | 1, v13);
    v14 = 0;
    v15 = -1i64 << (*(_BYTE *)(a1 + 4) & 0x1F);
    if( (*(_DWORD *)(a1 + 4) & 0xFFFFFFE0) != 0 )
    {
      do
      {
        v16 = *(_QWORD *)(a1 + 8);
        while( 1 )
        {
          v17 = *(_QWORD **)(v16 + 8i64 * v14);
          if( ((unsigned __int8)v17 & 1) != 0 )
            break;
          *(_QWORD *)(v16 + 8i64 * v14) = *v17;
          v21 = v15 & v17[1];
          v18 = (37
               * (BYTE6(v21)
                + 37
                * (BYTE5(v21)
                 + 37
                 * (BYTE4(v21)
                  + 37 * (BYTE3(v21) + 37 * (BYTE2(v21) + 37 * (BYTE1(v21) + 37 * ((unsigned __int8)v21 + 11623883)))))))
               + HIBYTE(v21)) & (unsigned int)(v12 - 1);
          *v17 = *(_QWORD *)&v11[8 * v18];
          *(_QWORD *)&v11[8 * v18] = v17;
        }
        ++v14;
      }
      while( v14 < *(_DWORD *)(a1 + 4) >> 5 );
    }
    v19 = *(void **)(a1 + 8);
    v7 = *(_DWORD *)(a1 + 4) & 0x1F | (32 * v12);
    *(_QWORD *)(a1 + 8) = v11;
    *(_DWORD *)(a1 + 4) = v7;
    *a2 = v19;
  }
  LOBYTE(v4) = v7 >= 0x20;
  return v4;
}

Referenced by: