* config/i386/i386-protos.h: Remove prototype for
	const_int_1_operand.
	* config/i386/i386.c (const_int_1_operand): Remove.
	* config/i386/i386.h (PREDICATE_CODES): Remove
	const_int_1_operand.
	* config/i386/i386.md: Replace all uses of const_int_1_operand
	with const1_operand.
	* config/i386/pentium.md: Likewise.

From-SVN: r75247