[gcc]
	* config/rl78/rl78.c (rl78_emit_libcall): New function.
	* config/rl78/rl78-protos.h (rl78_emit_libcall): New function.
	* config/rl78/rl78.md: New define_expand "adddi3".
[libgcc]
	* config/rl78/adddi3.S: New assembly file.
	* config/rl78/t-rl78: Added adddi3.S to LIB2ADD.

From-SVN: r253748