AVX512FP16: Add vcvtph2dq/vcvtph2qq/vcvtph2w/vcvtph2uw/vcvtph2uqq/vcvtph2udq

gcc/ChangeLog:

	* config/i386/avx512fp16intrin.h (_mm512_cvtph_epi32):
	New intrinsic/
	(_mm512_mask_cvtph_epi32): Likewise.
	(_mm512_maskz_cvtph_epi32): Likewise.
	(_mm512_cvt_roundph_epi32): Likewise.
	(_mm512_mask_cvt_roundph_epi32): Likewise.
	(_mm512_maskz_cvt_roundph_epi32): Likewise.
	(_mm512_cvtph_epu32): Likewise.
	(_mm512_mask_cvtph_epu32): Likewise.
	(_mm512_maskz_cvtph_epu32): Likewise.
	(_mm512_cvt_roundph_epu32): Likewise.
	(_mm512_mask_cvt_roundph_epu32): Likewise.
	(_mm512_maskz_cvt_roundph_epu32): Likewise.
	(_mm512_cvtph_epi64): Likewise.
	(_mm512_mask_cvtph_epi64): Likewise.
	(_mm512_maskz_cvtph_epi64): Likewise.
	(_mm512_cvt_roundph_epi64): Likewise.
	(_mm512_mask_cvt_roundph_epi64): Likewise.
	(_mm512_maskz_cvt_roundph_epi64): Likewise.
	(_mm512_cvtph_epu64): Likewise.
	(_mm512_mask_cvtph_epu64): Likewise.
	(_mm512_maskz_cvtph_epu64): Likewise.
	(_mm512_cvt_roundph_epu64): Likewise.
	(_mm512_mask_cvt_roundph_epu64): Likewise.
	(_mm512_maskz_cvt_roundph_epu64): Likewise.
	(_mm512_cvtph_epi16): Likewise.
	(_mm512_mask_cvtph_epi16): Likewise.
	(_mm512_maskz_cvtph_epi16): Likewise.
	(_mm512_cvt_roundph_epi16): Likewise.
	(_mm512_mask_cvt_roundph_epi16): Likewise.
	(_mm512_maskz_cvt_roundph_epi16): Likewise.
	(_mm512_cvtph_epu16): Likewise.
	(_mm512_mask_cvtph_epu16): Likewise.
	(_mm512_maskz_cvtph_epu16): Likewise.
	(_mm512_cvt_roundph_epu16): Likewise.
	(_mm512_mask_cvt_roundph_epu16): Likewise.
	(_mm512_maskz_cvt_roundph_epu16): Likewise.
	* config/i386/avx512fp16vlintrin.h (_mm_cvtph_epi32):
	New intrinsic.
	(_mm_mask_cvtph_epi32): Likewise.
	(_mm_maskz_cvtph_epi32): Likewise.
	(_mm256_cvtph_epi32): Likewise.
	(_mm256_mask_cvtph_epi32): Likewise.
	(_mm256_maskz_cvtph_epi32): Likewise.
	(_mm_cvtph_epu32): Likewise.
	(_mm_mask_cvtph_epu32): Likewise.
	(_mm_maskz_cvtph_epu32): Likewise.
	(_mm256_cvtph_epu32): Likewise.
	(_mm256_mask_cvtph_epu32): Likewise.
	(_mm256_maskz_cvtph_epu32): Likewise.
	(_mm_cvtph_epi64): Likewise.
	(_mm_mask_cvtph_epi64): Likewise.
	(_mm_maskz_cvtph_epi64): Likewise.
	(_mm256_cvtph_epi64): Likewise.
	(_mm256_mask_cvtph_epi64): Likewise.
	(_mm256_maskz_cvtph_epi64): Likewise.
	(_mm_cvtph_epu64): Likewise.
	(_mm_mask_cvtph_epu64): Likewise.
	(_mm_maskz_cvtph_epu64): Likewise.
	(_mm256_cvtph_epu64): Likewise.
	(_mm256_mask_cvtph_epu64): Likewise.
	(_mm256_maskz_cvtph_epu64): Likewise.
	(_mm_cvtph_epi16): Likewise.
	(_mm_mask_cvtph_epi16): Likewise.
	(_mm_maskz_cvtph_epi16): Likewise.
	(_mm256_cvtph_epi16): Likewise.
	(_mm256_mask_cvtph_epi16): Likewise.
	(_mm256_maskz_cvtph_epi16): Likewise.
	(_mm_cvtph_epu16): Likewise.
	(_mm_mask_cvtph_epu16): Likewise.
	(_mm_maskz_cvtph_epu16): Likewise.
	(_mm256_cvtph_epu16): Likewise.
	(_mm256_mask_cvtph_epu16): Likewise.
	(_mm256_maskz_cvtph_epu16): Likewise.
	* config/i386/i386-builtin-types.def: Add new builtin types.
	* config/i386/i386-builtin.def: Add new builtins.
	* config/i386/i386-expand.c
	(ix86_expand_args_builtin): Handle new builtin types.
	(ix86_expand_round_builtin): Ditto.
	* config/i386/sse.md (sseintconvert): New.
	(ssePHmode): Ditto.
	(UNSPEC_US_FIX_NOTRUNC): Ditto.
	(sseintconvertsignprefix): Ditto.
	(avx512fp16_vcvtph2<sseintconvertsignprefix><sseintconvert>_<mode><mask_name><round_name>):
	Ditto.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/avx-1.c: Add test for new builtins.
	* gcc.target/i386/sse-13.c: Ditto.
	* gcc.target/i386/sse-23.c: Ditto.
	* gcc.target/i386/sse-14.c: Add test for new intrinsics.
	* gcc.target/i386/sse-22.c: Ditto.