predicates.md: New file.

predicates.md: New file.

	* config/mmix/predicates.md: New file.
	* config/mmix/mmix.c (mmix_symbolic_or_address_operand)
	(mmix_reg_or_constant_operand, mmix_reg_cc_operand)
	(mmix_foldable_comparison_operator, mmix_comparison_operator)
	(mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
	* config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
	Don't define.
	* config/mmix/mmix.md: Include predicates.md.
	("call", "call_value"): Force address to register if it isn't a
	mmix_symbolic_or_address_operand.

From-SVN: r99235