i386.md (any_div): New code iterator.

	* config/i386/i386.md (any_div): New code iterator.
	(u): Handle div and udiv.
	(sgnprefix): Ditto.
	(<u>divqi3): Macroize insn from divqi3 and udivqi using and_div
	code iterator.
	(lfloor<MODEF:mode><SWI48:mode>2): Macroize insn from
	lfloor<mode>{si,di}2 patterns using SWI48 mode iterator.
	(lceil<MODEF:mode><SWI48:mode>2): Macroize insn from
	lceil<mode>{si,di}2 patterns using SWI48 mode iterator.

From-SVN: r152584