pub unsafe fn _mm512_castpd128_pd512(a: __m128d) -> __m512d
🔬This is a nightly-only experimental API. (stdsimd #48556)
Available on (x86 or x86-64) and target feature avx512f and x86-64 only.
Expand description

Cast vector of type __m128d to type __m512d; 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.

Intel’s documentation

This documentation is an old archive. Please see https://rust.docs.kernel.org instead.