* config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call

	bfin_legitimate_constant_p.
	* config/bfin/bfin.md (movsi expander): Check return value of
	expand_mvoe.
	* config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
	(expand_move): Adjust prototype.
	* config/bfin/bfin.c (expand_move): Now returns bool.  Handle
	invalid constants specially.
	(bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
	functions.
	(TARGET_CANNOT_FORCE_CONST_MEM): New macro.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119011 138bc75d-0d04-0410-961f-82ee72b054a4