re PR target/48860 (r173265 breaks bootstrap on x86_64-apple-darwin10)

	PR target/48860
	* config/i386/i386.md (*movdi_internal_rex64) Use %vmovd
	for reg<->xmm moves.
	* config/i386/sse.md (*vec_concatv2di_rex64_sse4_1): Ditto.
	(vec_concatv2di_rex64_sse): Ditto.
	(*sse2_storeq_rex64): Do not emit %v prefix for mov{q} mnemonic.
	(*vec_extractv2di_1_rex64): Ditto.

	Revert:
	2011-05-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/mmx.md (*mov<mode>_internal_rex64): Use %vmovq for
	reg<->xmm moves.
	(*movv2sf_internal_rex64): Use %vmovq for reg<->xmm moves.

From-SVN: r173361