* config/m68hc11/m68hc11.c (emit_move_after_reload): Add a REG_INC

	* config/m68hc11/m68hc11.c (emit_move_after_reload): Add a REG_INC
	note on the insn that sets the soft frame register.
	(must_parenthesize): ix and iy are also reserved names.
	(print_operand_address): One more place where parenthesis are required
	to avoid confusion with register names.
	(m68hc11_gen_movhi): Allow push of stack pointer.
	(m68hc11_check_z_replacement): Fix handling of parallel with a
	clobber.
	(m68hc11_z_replacement): Must update the REG_INC notes to tell what
	the replacement register is.
	* config/m68hc11/m68hc11.h (REG_CLASS_CONTENTS): Switch Z_REGS
	and D8_REGS classes.
	(MODES_TIEABLE_P): All modes are tieable except QImode.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50837 138bc75d-0d04-0410-961f-82ee72b054a4