Add mov[us]wb store intrinsics.

Add mov[us]wb store intrinsics.

gcc/
	* config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
	_mm512_mask_cvtsepi16_storeu_epi8,
	_mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
	* config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
	_mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
	_mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
	_mm_mask_cvtepi16_storeu_epi8): New intrinsics.
	* config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
	(VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
	VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
	* config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
	__builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
	__builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
	__builtin_ia32_pmovuswb256mem_mask,
	__builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
	__builtin_ia32_pmovwb512mem_mask): New builtins.

gcc/testsuite/
	* gcc.target/i386/avx512bw-vpmovswb-1.c: Add new intrinsics to test.
	* gcc.target/i386/avx512bw-vpmovswb-2.c: Ditto.
	* gcc.target/i386/avx512bw-vpmovuswb-1.c: Ditto.
	* gcc.target/i386/avx512bw-vpmovuswb-2.c: Ditto.
	* gcc.target/i386/avx512bw-vpmovwb-1.c: Ditto.
	* gcc.target/i386/avx512bw-vpmovwb-2.c: Ditto.

From-SVN: r249012