gcc/
	* tree.h (set_decl_incoming_rtl): Add a by_reference_p parameter.
	* emit-rtl.c (set_decl_incoming_rtl): Likewise.  Don't set the
	rtl's register attributes when the parameter is true.
	* function.c (assign_parms_unsplit_complex, assign_parms)
	(expand_function_start): Update calls to set_decl_incoming_rtl.

From-SVN: r131056