i386-protos.h (output_387_binary_op, [...]): Constify a char*.

i386-protos.h (output_387_binary_op, [...]): Constify a char*.

	* i386-protos.h (output_387_binary_op, output_fix_trunc,
	output_fp_compare): Constify a char*.

	* i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
	static prototypes.
	(override_options, ix86_comp_type_attributes, print_operand,
	output_387_binary_op, output_fix_trunc, output_fp_compare):
	Constify a char*.
	(ix86_sched_reorder): Mark parameter `clock_var' with
	ATTRIBUTE_UNUSED.

	* i386.h (DEBUG_PRINT_REG): Constify a char*.

From-SVN: r30869