h8300-protos.h: Add a prototype for iorxor_operator.

h8300-protos.h: Add a prototype for iorxor_operator.

	* config/h8300/h8300-protos.h: Add a prototype for
	iorxor_operator.
	* config/h8300/h8300.c (print_operand): Handle 'c'.
	(iorxor_operator): New.
	* config/h8300/h8300.h (PREDICATE_CODES): Add iorxor_operator.
	* config/h8300/h8300.md (*iorhi3_zext): Remove.
	(*iorsi3_zexthi): Likewise.
	(*iorsi3_zextsi): Likewise.
	(*xorhi3_zextqi): Likewise.
	(*xorsi3_zexthi): Likewise.
	(*xorsi3_zextsi): Likewise.
	(*ixorhi3_zext): New.
	(*ixorsi3_zext_qi): Likewise.
	(*ixorsi3_zext_hi): Likewise.

From-SVN: r63671