* config/c4x/c4x.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
	(TARGET_STRUCT_VALUE_RTX): Likewise.
	(c4x_external_libcall): Likewise.
	(c4x_struct_value_rtx): Likewise.
	* config/c4x/c4x.h: Remove.
	(STRUCT_VALUE_REGNUM): Likewise.
	(ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.

From-SVN: r76779