mips-protos.h: Remove the prototypes for mips_setup_incoming_varargs and mips_return_...

mips-protos.h: Remove the prototypes for mips_setup_incoming_varargs and mips_return_in_memory.

	* config/mips/mips-protos.h: Remove the prototypes for
	mips_setup_incoming_varargs and mips_return_in_memory.
	* config/mips/mips.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
	(TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
	(TARGET_PROMOTE_PROTOTYPES): Likewise.
	(TARGET_STRUCT_VALUE_RTX): Likewise.
	(TARGET_RETURN_IN_MEMORY): Likewise.
	(TARGET_SETUP_INCOMING_VARARGS): Likewise.
	(TARGET_STRICT_ARGUMENT_NAMING): Likewise.
	(mips_setup_incoming_varargs): Match the prototype for
	TARGET_SETUP_INCOMING_VARARGS.
	(mips_return_in_memory): Make it static.  Add argument fntype.
	(mips_strict_argument_naming): New.
	* config/mips/mips.h (PROMOTE_PROTOTYPES): Remove.
	(PROMOTE_FUNCTION_ARGS): Likewise.
	(PROMOTE_FUNCTION_RETURN): Likewise.
	(STRUCT_VALUE): Likewise.
	(RETURN_IN_MEMORY): Likewise.
	(SETUP_INCOMING_VARARGS): Likewise.
	(STRICT_ARGUMENT_NAMING): Likewise.

From-SVN: r76569