Function vreduceph_256
pub(in ::core_arch::x86::avx512fp16) unsafe extern ""unadjusted"" fn vreduceph_256(a: __m256h, imm8: i32, src: __m256h, k: __mmask16) -> __m256hvreduceph_256pub(in ::core_arch::x86::avx512fp16) unsafe extern ""unadjusted"" fn vreduceph_256(a: __m256h, imm8: i32, src: __m256h, k: __mmask16) -> __m256h