* config/i386/mmx.md (*vec_extractv2sf_1): Do not emit unpckhps.
	Emit movshdup for SSE3 and shufps otherwise.
	(*vec_extractv2si_1): Do not emit punpckhdq and unpckhps.
	Emit pshufd for SSE2 and shufps otherwise.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@219079 138bc75d-0d04-0410-961f-82ee72b054a4