Replace "BB [%i]" with "[bb %i]" in vzeroupper RTL dump.

2010-12-17  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (move_or_delete_vzeroupper_2): Replace
	"BB [%i]" with "[bb %i]" in dump.
	(move_or_delete_vzeroupper_1): Likewise.
	(rescan_move_or_delete_vzeroupper): Likewise.  Always dump
	upper 128bit state at exit.

From-SVN: r167996