Function core::arch::x86_64::_mm_cvti64_sd[][src]

pub unsafe fn _mm_cvti64_sd(a: __m128d, b: i64) -> __m128d
🔬 This is a nightly-only experimental API. (stdsimd #48556)
This is supported on x86-64 and target feature avx512f only.
Expand description

将有符号的 64 位整数 b 转换为双精度 (64-bit) 浮点元素,将结果存入 dst 的低位元素,将 a 的高位元素复制到 dst 的高位元素。

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