# Function core::arch::x86_64::_mm512_castps128_ps512

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    pub unsafe fn _mm512_castps128_ps512(a: __m128) -> __m512

🔬This is a nightly-only experimental API. (`stdsimd` #48556)
Available on (x86 or x86-64) and target feature `avx512f` only.
Expand description

Cast vector of type __m128 to type __m512; the upper 384 bits of the result are undefined. This intrinsic is only used for compilation and does not generate any instructions, thus it has zero latency.

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