i386-protos.h (output_fix_trunc): Change arg 3 to bool.

	* config/i386/i386-protos.h (output_fix_trunc): Change arg 3 to bool.
	(output_fp_compare): Change args 3 and 4 to bool.
	(ix86_expand_call): Change arg 6 to bool.
	(ix86_attr_length_immediate_default): Change arg 2 to bool.
	(ix86_attr_length_vex_default): Change arg 3 to bool.
	* config/i386/i386.md: Update all uses.
	* config/i386/i386.c: Ditto.
	(ix86_flags_dependent): Change return type to bool.

From-SVN: r173833