Function core::arch::x86_64::_mm_cvttsd_i64

pub unsafe fn _mm_cvttsd_i64(a: __m128d) -> i64

🔬This is a nightly-only experimental API. (stdsimd #48556)

Available on x86-64 and target feature avx512f only.

Expand description

将 a 中的低位双精度 (64-bit) 浮点元素转换为带有截断的 64 位整数，并将结果存储在 dst 中。