Function core::arch::x86::_mm512_zextpd128_pd512[][src]

pub unsafe fn _mm512_zextpd128_pd512(a: __m128d) -> __m512d
🔬 This is a nightly-only experimental API. (stdsimd #48556)
This is supported on x86 and target feature avx512f only.
Expand description

将类型 __m128d 的 vector 强制转换为 __m512d 类型; 结果的高 384 位被清零。此内联函数仅用于编译,不会生成任何指令,因此延迟为零。

Intel’s documentation