# Function _mm512_castph512_ph128

Source

    pub fn _mm512_castph512_ph128(a: __m512h) -> __m128h

🔬This is a nightly-only experimental API. (`stdarch_x86_avx512_f16` #127213)
Available on (x86 or x86-64) and target feature `avx512fp16` and x86 only.
Expand description

Cast vector of type `__m512h` to type `__m128h`. This intrinsic is only used for compilation and does not generate any instructions, thus it has zero latency.

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