AVX-512. Extend vpermvar insn patterns.

AVX-512. Extend vpermvar insn patterns.

gcc/
	* config/i386/sse.md
	(define_mode_attr avx2_avx512): Rename from avx2_avx512bw.
	(define_mode_iterator VI48F_256_512): Extend to AVX-512VL.
	(define_insn "<avx2_avx512>_permvar<mode><mask_name>"): Rename from
	"<avx2_avx512f>_permvar<mode><mask_name>".
	(define_insn "<avx512>_permvar<mode><mask_name>"): New.
	(define_insn "<avx2_avx512>_ashrv<VI48_AVX512F_AVX512VL:mode><mask_name>"):
	Rename from "<avx2_avx512f>_ashrv<mode><mask_name>".
	(define_insn "<avx2_avx512>_ashrv<VI2_AVX512VL:mode><mask_name>"):
	Ditto.
	(define_insn "<avx2_avx512>_<shift_insn>v<VI48_AVX512F:mode><mask_name>"):
	Rename from "<avx2_avx512bw>_<shift_insn>v<mode><mask_name>".
	(define_insn "<avx2_avx512>_<shift_insn>v<VI2_AVX512VL:mode><mask_name>"):
	Rename from "<avx2_avx512bw>_<shift_insn>v<mode><mask_name>".

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: r215148