/* See the "Run-time ABI for the ARM Architecture", Section 4.2 */
  
  typedef unsigned int uint32_t;
  
  long long __aeabi_llsr(long long value, int shift) {
    uint32_t low = ((uint32_t)value >> shift);
    if (shift < 32) {
      low |= ((uint32_t)(value >> 32) << (32 - shift));
    } else {
      low |= ((uint32_t)(value >> 32) >> (shift - 32));
    }
    uint32_t high = (uint32_t)(value >> 32) >> shift;
    return ((long long)high << 32) | low;
  }