gcc/
	* config/i386/i386.c (MAX_CLASSES): Increase number of classes.
	(classify_argument): Extend for 512 bit vectors.
	(construct_container): Ditto.
	(function_arg_advance_32): Ditto.
	(function_arg_advance_64): Ditto.
	(function_arg_32): Ditto.
	(function_arg_64): Ditto.
	(function_value_32): Ditto.
	(return_in_memory_32): Ditto.
	(ix86_gimplify_va_arg): Ditto.
	(standard_sse_constant_p): Ditto.
	(standard_sse_constant_opcode): Ditto.
	(ix86_expand_vector_convert_uns_vsivsf): Ditto.
	(ix86_build_const_vector): Ditto.
	(ix86_build_signbit_mask): Ditto.
	(ix86_expand_sse_cmp): Extend for AVX512.
	(ix86_expand_sse_movcc): Ditto.
	(ix86_expand_int_vcond): Ditto.
	(ix86_expand_vec_perm): Ditto.
	(ix86_expand_sse_unpack): Ditto.
	(ix86_constant_alignment): Ditto.
	(ix86_builtin_vectorized_function): Ditto.
	(ix86_vectorize_builtin_gather): Ditto.
	(avx_vpermilp_parallel): Ditto.
	(ix86_rtx_costs): Ditto.
	(ix86_expand_vector_init_duplicate): Ditto.
	(ix86_expand_vector_init_concat): Ditto.
	(ix86_expand_vector_init_general): Ditto.
	(ix86_expand_vector_extract): Ditto.
	(emit_reduc_half): Ditto.
	(ix86_vector_mode_supported_p): Ditto.
	(ix86_emit_swdivsf): Ditto.
	(ix86_emit_swsqrtsf): Ditto.
	(expand_vec_perm_1): Ditto.
	(ix86_vectorize_vec_perm_const_ok): Ditto.
	(ix86_expand_mul_widen_evenodd): Ditto.
	(ix86_expand_sse2_mulvxdi3): Ditto.
	(ix86_preferred_simd_mode): Ditto.
	(ix86_autovectorize_vector_sizes): Ditto.
	(ix86_expand_vec_perm_vpermi2): New.
	(ix86_vector_duplicate_value): Ditto.
	(IX86_BUILTIN_SQRTPD512, IX86_BUILTIN_EXP2PS, IX86_BUILTIN_SQRTPS_NR512,
	IX86_BUILTIN_GATHER3ALTDIV16SF, IX86_BUILTIN_GATHER3ALTDIV16SI,
	IX86_BUILTIN_GATHER3ALTSIV8DF, IX86_BUILTIN_GATHER3ALTSIV8DI,
	IX86_BUILTIN_GATHER3DIV16SF, IX86_BUILTIN_GATHER3DIV16SI,
	IX86_BUILTIN_GATHER3DIV8DF, IX86_BUILTIN_GATHER3DIV8DI,
	IX86_BUILTIN_GATHER3SIV16SF, IX86_BUILTIN_GATHER3SIV16SI,
	IX86_BUILTIN_GATHER3SIV8DF, IX86_BUILTIN_CEILPD_VEC_PACK_SFIX512,
	IX86_BUILTIN_CPYSGNPS512, IX86_BUILTIN_CPYSGNPD512,
	IX86_BUILTIN_FLOORPD_VEC_PACK_SFIX512,
	IX86_BUILTIN_ROUNDPD_AZ_VEC_PACK_SFIX512): Ditto.
	* config/i386/sse.md (*mov<mode>_internal): Disable SSE typeless
	stores vectors > 128bit (AVX*).
	(<sse>_storeu<ssemodesuffix><avxsizesuffix>): Ditto.
	(<sse2_avx_avx512f>_storedqu<mode>): Extend for AVX-512, disable
	SSE typeless stores vectors > 128bit (AVX*).
	(fixuns_trunc<mode><sseintvecmodelower>2): Extend for AVX-512.
	(vec_pack_ufix_trunc_<mode>): Ditto.
	(vec_unpacku_float_hi_v16si): New.
	* tree-vect-stmts.c (vectorizable_load): Support AVX512's gathers.
	* tree-vectorizer.h (MAX_VECTORIZATION_FACTOR): Extend for 512 bit
	vectors.

testsuite/
	* gcc.target/i386/pr49002-2.c: allow vmovapd generation.


Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Anna Tikhonova <anna.tikhonova@intel.com>
Co-Authored-By: Ilya Tocar <ilya.tocar@intel.com>
Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com>
Co-Authored-By: Kirill Yukhin <kirill.yukhin@intel.com>
Co-Authored-By: Maxim Kuznetsov <maxim.kuznetsov@intel.com>
Co-Authored-By: Michael Zolotukhin <michael.v.zolotukhin@intel.com>
Co-Authored-By: Sergey Lega <sergey.s.lega@intel.com>

From-SVN: r206260