* config/mn10300/mn10300.c (REG_SAVE_BYTES): Delete.
	(mn10300_get_live_callee_saved_regs): If requested return a count
	of the number of bytes in the mask.
	(mn10300_expand_prologue): Add argument to invocation of
	mn10300_get_live_callee_regs.
	(mn10300_expand_epilogue): Compute reg_save_bytes by calling
	mn10300_get_live_callee_saved_regs.
	(mn10300_initial_offset): Likewise.
	* config/mn10300/mn10300-protos.h (mn10300_get_live_callee_saved_regs):
	Update prototype.
	* config/mn10300/mn10300.md (return_ret): Add argument to
	invocation of mn10300_get_live_callee_saved_regs.

From-SVN: r189892