Function core::arch::x86::_mm512_zextpd256_pd512[][src]

pub unsafe fn _mm512_zextpd256_pd512(a: __m256d) -> __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 __m256d 的 vector 强制转换为 __m512d 类型; 结果的高 256 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。

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