Properly handle psrldq when optimizing for Atom.

Properly handle psrldq when optimizing for Atom.

gcc/

2010-06-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44615
	* config/i386/atom.md (atom_sseishft_2): Also check sseishft1.

	* config/i386/i386.md (type): Add sseishft1

	* config/i386/ppro_insn (ppro_insn): Also check sseishft1.
	(ppro_insn_load): Likewise.
	(ppro_insn_store): Likewise.
	(ppro_insn_both): Likewise.

	* config/i386/sse.md (sse2_lshrv1ti3): Add atom_unit.
	(*vec_extractv2di_1_rex64_avx): Replace sseishft with sseishft1
	for type.
	(*vec_extractv2di_1_avx): Likewise.
	(*vec_extractv2di_1_rex64): Replace sseishft with sseishft1 for
	type.  Remove atom_unit.
	(*vec_extractv2di_1_sse2): Likewise.

gcc/testsuite/

2010-06-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44615
	* gcc.target/i386/sse2-vec-2a.c: New.

From-SVN: r161118