* config/iq2000/iq2000.md (cbranchsi4): Remove mode from
	comparison and label.
	(branch_zero): Likewise.
	(branch_zero_inverted): Likewise.
	(branch_equality): Likewise.
	(branch_equality_inverted): Likewise.
	(extend-and-compare): Disable until reload issues can be
	resolved.
	* config/iq2000/iq2000.c (gen_conditional_branch): Use VOIDmode
	for comparison.
	(iq2000_function_arg_advance): Remove CONST_CAST2.

From-SVN: r190476