avx512fintrin.h (_mm512_maskz_permutexvar_epi64): Swap arguments order in builtin.

avx512fintrin.h (_mm512_maskz_permutexvar_epi64): Swap arguments order in builtin.

gcc/
	* config/i386/avx512fintrin.h (_mm512_maskz_permutexvar_epi64): Swap
	arguments order in builtin.
	(_mm512_permutexvar_epi64): Ditto.
	(_mm512_mask_permutexvar_epi64): Ditto
	(_mm512_maskz_permutexvar_epi32): Ditto
	(_mm512_permutexvar_epi32): Ditto
	(_mm512_mask_permutexvar_epi32): Ditto

gcc/testsuite/
	* gcc.target/i386/avx512f-vpermd-2.c: Fix reference calculations.
	* gcc.target/i386/avx512f-vpermpd-2.c: Ditto.
	* gcc.target/i386/avx512f-vpermps-2.c: Ditto.
	* gcc.target/i386/avx512f-vpermq-var-2.c: Ditto.

Co-Authored-By: Ilya Tocar <ilya.tocar@intel.com>
From-SVN: r207821