Function core::arch::x86_64::_mm512_undefined

source ·
pub unsafe fn _mm512_undefined() -> __m512
🔬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

返回具有不确定元素的 __m512 类型的 vector。 尽管是 “undefined”,但这是一些有效值,并不等同于 mem::MaybeUninit。 实际上,这相当于 mem::zeroed

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