message: adding compiler_builtins.h
diff: @@ -35,6 +35,10 @@ extern "C" {
  void __multi3(__int128& res, uint64_t la, uint64_t ha, uint64_t lb, uint64_t hb);
  void __divti3(__int128& res, uint64_t la, uint64_t ha, uint64_t lb, uint64_t hb);
  + void __udivti3(unsigned __int128& res, uint64_t la, uint64_t ha, uint64_t lb, uint64_t hb);
  +
  + void __modti3(__int128& res, uint64_t la, uint64_t ha, uint64_t lb, uint64_t hb);
  + void __umodti3(unsigned __int128& res, uint64_t la, uint64_t ha, uint64_t lb, uint64_t hb);
  void __lshlti3(__int128& res, uint64_t lo, uint64_t hi, uint32_t shift);
  void __lshrti3(__int128& res, uint64_t lo, uint64_t hi, uint32_t shift);
  