* config/i386/i386-builtin-types.awk (DEF_VECTOR_TYPE): Allow an
	optional 3rd argument to define the mode.
	* config/i386/i386-builtin-types.def (UQI, UHI, USI, UDI): New.
	(V2UDI, V4USI, V8UHI, V16UQI): New.
	(V4SF_FTYPE_V4SF_V4SF_V4SI, V2UDI_FTYPE_V2UDI_V2UDI_V2UDI,
	V4USI_FTYPE_V4USI_V4USI_V4USI, V8UHI_FTYPE_V8UHI_V8UHI_V8UHI,
	V16UQI_FTYPE_V16UQI_V16UQI_V16UQI): New.
	* config/i386/i386-modes.def: Rearrange for double-wide AVX.
	* config/i386/i386-protos.h (ix86_expand_vec_extract_even_odd): New.
	* config/i386/i386.c (IX86_BUILTIN_VEC_PERM_*): New.
	(bdesc_args): Add the builtin definitions to match.
	(ix86_expand_builtin): Expand them.
	(ix86_builtin_vectorization_cost): Rename from
	x86_builtin_vectorization_cost.
	(ix86_vectorize_builtin_vec_perm, struct expand_vec_perm_d,
	doublesize_vector_mode, expand_vselect, expand_vselect_vconcat,
	expand_vec_perm_blend, expand_vec_perm_vpermil,
	expand_vec_perm_pshufb, expand_vec_perm_1,
	expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_palignr,
	expand_vec_perm_interleave2, expand_vec_perm_pshufb2,
	expand_vec_perm_even_odd_1, expand_vec_perm_even_odd,
	ix86_expand_vec_perm_builtin_1, extract_vec_perm_cst,
	ix86_expand_vec_perm_builtin, ix86_vectorize_builtin_vec_perm_ok,
	ix86_expand_vec_extract_even_odd, TARGET_VECTORIZE_BUILTIN_VEC_PERM,
	TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): New.
	* sse.md (SSEMODE_EO): New.
	(vec_extract_even<mode>): Use SSEMODE_EO and
	ix86_expand_vec_extract_even_odd.
	(vec_extract_odd<mode>): Likewise.
	(mulv16qi3, vec_pack_trunc_v8hi, vec_pack_trunc_v4si,
	vec_pack_trunc_v2di): Use ix86_expand_vec_extract_even_odd.

testsuite/
	* gcc.dg/vect/slp-21.c: Succeed with vect_extract_even_odd too.

	* lib/target-supports.exp
	(check_effective_target_vect_extract_even_odd): Add x86.

	* gcc.target/i386/isa-check.h: New.
	* gcc.target/i386/vperm-2-2.inc, gcc.target/i386/vperm-4-1.inc,
	gcc.target/i386/vperm-4-2.inc, gcc.target/i386/vperm-v2df.c,
	gcc.target/i386/vperm-v2di.c, gcc.target/i386/vperm-v4sf-1.c,
	gcc.target/i386/vperm-v4sf-2.c, gcc.target/i386/vperm-v4si-1.c,
	gcc.target/i386/vperm-v4si-2.c, gcc.target/i386/vperm-v4si-2x.c,
	gcc.target/i386/vperm.pl: New files.

From-SVN: r154667