AVX-512. Support 512-bit/masked interleave.

AVX-512. Support 512-bit/masked interleave.

gcc/
	* config/i386/sse.md
	(define_insn "avx512bw_interleave_highv64qi<mask_name>"): New.
	(define_insn "avx2_interleave_highv32qi<mask_name>"): Add masking.
	(define_insn "vec_interleave_highv16qi<mask_name>"): Ditto.
	(define_insn "avx2_interleave_lowv32qi<mask_name>"): Ditto.
	(define_insn "vec_interleave_lowv16qi<mask_name>"): Ditto.
	(define_insn "avx2_interleave_highv16hi<mask_name>"): Ditto.
	(define_insn "vec_interleave_highv8hi<mask_name>"): Ditto.
	(define_insn "avx2_interleave_lowv16hi<mask_name>"): Ditto.
	(define_insn "vec_interleave_lowv8hi<mask_name>"): Ditto.
	(define_insn "avx2_interleave_highv8si<mask_name>"): Ditto.
	(define_insn "vec_interleave_highv4si<mask_name>"): Ditto.
	(define_insn "avx2_interleave_lowv8si<mask_name>"): Ditto.
	(define_insn "vec_interleave_lowv4si<mask_name>"): Ditto.
	(define_insn "vec_interleave_highv16qi<mask_name>"): New.
	(define_insn "avx512bw_interleave_highv32hi<mask_name>"): Ditto.
	(define_insn "<mask_codefor>avx512bw_interleave_lowv32hi<mask_name>"): Ditto.

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>
From-SVN: r214671