* config/i386/sse.md (*vec_extractv4si_0_zext): New pattern.
	(*vec_extractv4si_zext_mem): Ditto.
	(*vec_extractv2di): Add 0->x and x->x alternatives.
	* config/i386/mmx.md (*vec_extractv2si_zext_mem): New pattern.
	* config/i386/i386.md (*zero_extendsidi2): Add *Yj->?r alternative.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198752 138bc75d-0d04-0410-961f-82ee72b054a4