mips.h (ISA_HAS_LOAD_DELAY, [...]): New macros.

	* config/mips/mips.h (ISA_HAS_LOAD_DELAY, ISA_HAS_XFER_DELAY,
	ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS): New macros.
	(PREDICATE_CODES): Add hilo_operand.
	* config/mips/mips.c (hilo_operand): New predicate.
	(mips_adjust_insn_length): Account for the number nops that might
	be needed to avoid hardware hazards.
	* config/mips/mips.md (dslot): Remove attribute.
	(hazard): New attribute.
	(can_delay): Use it.  Check for calls, branches & jumps.
	(muldi3): Use the standard dmult pattern for mips16 code.
	(muldi3_internal, muldi3_internal2): Adjust conditions accordingly.

From-SVN: r66952