int sub_2339C8(int result, unsigned int a2)
{
  unsigned char v2; // cf@1
  int v3; // r1@1
  int v4; // r0@3
  int v5; // r1@4
  int v6; // r1@8

  v2 = a2 >= 0x20;
  v3 = a2 - 32;
  do
  {
    if ( !v2 )
      break;
    *(unsigned int *)result = 0;
    *(unsigned int *)(result + 4) = 0;
    *(unsigned int *)(result + 8) = 0;
    *(unsigned int *)(result + 12) = 0;
    v4 = result + 16;
    *(unsigned int *)v4 = 0;
    *(unsigned int *)(v4 + 4) = 0;
    *(unsigned int *)(v4 + 8) = 0;
    *(unsigned int *)(v4 + 12) = 0;
    result = v4 + 16;
    v2 = (unsigned int)v3 >= 0x20;
    v3 -= 32;
  }
  while ( v2 );
  //v2 = __CFSHL__(v3, 28);
  v5 = v3 << 28;
  if ( v2 )
  {
    *(unsigned int *)result = 0;
    *(unsigned int *)(result + 4) = 0;
    *(unsigned int *)(result + 8) = 0;
    *(unsigned int *)(result + 12) = 0;
    result += 16;
  }
  if ( v5 < 0 )
  {
    *(unsigned int *)result = 0;
    *(unsigned int *)(result + 4) = 0;
    result += 8;
  }
  //v2 = __CFSHL__(v5, 2);
  v6 = 4 * v5;
  if ( v2 )
  {
    *(unsigned int *)result = 0;
    result += 4;
  }
  if ( v6 )
  {
    if ( v6 < 0 )
    {
      *(unsigned short *)result = 0;
      result += 2;
    }
    if ( v6 & 0x40000000 )
      *(unsigned char *)result++ = 0;
  }
  return result;
}