Backport from mainline

	Backport from mainline
	2012-10-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (UNSPEC_MOVU): Remove.
	(UNSPEC_LOADU): New.
	(UNSPEC_STOREU): Ditto.
	(<sse>_movu<ssemodesuffix><avxsizesuffix>): Split to ...
	(<sse>_loadu<ssemodesuffix><avxsizesuffix>): ... this and ...
	(<sse>_storeu<ssemodesuffix><avxsizesuffix>) ... this.
	(<sse2>_movdqu<avxsizesuffix>): Split to ...
	(<sse2>_loaddqu<avxsizesuffix>): ... this and ...
	(<sse2>_storedqu<avxsizesuffix>): ... this.
	(*sse4_2_pcmpestr_unaligned): Update.
	(*sse4_2_pcmpistr_unaligned): Ditto.

	* config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use
	gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and
	gen_avx_store{dqu,ups,upd}256 to store to unaligned memory.
	(ix86_expand_vector_move_misalign): Use gen_sse_loadups or
	gen_sse2_load{dqu,upd} to load from unaligned memory and
	gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to
	unaligned memory.
	(struct builtin_description bdesc_spec) <IX86_BUILTIN_LOADUPS>:
	Use CODE_FOR_sse_loadups.
	<IX86_BUILTIN_LOADUPD>: Use CODE_FOR_sse2_loadupd.
	<IX86_BUILTIN_LOADDQU>: Use CODE_FOR_sse2_loaddqu.
	<IX86_BUILTIN_STOREUPS>: Use CODE_FOR_sse_storeups.
	<IX86_BUILTIN_STOREUPD>: Use CODE_FOR_sse2_storeupd.
	<IX86_BUILTIN_STOREDQU>: Use CODE_FOR_sse2_storedqu.
	<IX86_BUILTIN_LOADUPS256>: Use CODE_FOR_avx_loadups256.
	<IX86_BUILTIN_LOADUPD256>: Use CODE_FOR_avx_loadupd256.
	<IX86_BUILTIN_LOADDQU256>: Use CODE_FOR_avx_loaddqu256.
	<IX86_BUILTIN_STOREUPS256>: Use CODE_FOR_avx_storeups256.
	<IX86_BUILTIN_STOREUPD256>: Use CODE_FOR_avx_storeupd256.
	<IX86_BUILTIN_STOREDQU256>: Use CODE_FOR_avx_storedqu256.

testsuite/ChangeLog:

	Bacport from mainline
	2012-10-15  Uros Bizjak  <ubizjak@gmail.com>

	* gcc.target/i386/avx256-unaligned-load-1.c: Update asm scan patterns.
	* gcc.target/i386/avx256-unaligned-load-2.c: Ditto.
	* gcc.target/i386/avx256-unaligned-load-3.c: Ditto.
	* gcc.target/i386/avx256-unaligned-load-4.c: Ditto.
	* gcc.target/i386/avx256-unaligned-store-1.c: Ditto.
	* gcc.target/i386/avx256-unaligned-store-2.c: Ditto.
	* gcc.target/i386/avx256-unaligned-store-3.c: Ditto.
	* gcc.target/i386/avx256-unaligned-store-4.c: Ditto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@192477 138bc75d-0d04-0410-961f-82ee72b054a4