PR Bug middle-end/50232
	* config/pa/pa.md (return): Define "return" insn pattern.
	(epilogue): Use it when no epilogue is needed.
	* config/pa/pa.c (pa_can_use_return_insn): New function.
	* config/pa/pa-protos.h (pa_can_use_return_insn): Declare.

From-SVN: r178500