# Function core::arch::x86_64::_mm_cvttsd_u64

source ·

    pub unsafe fn _mm_cvttsd_u64(a: __m128d) -> u64

🔬This is a nightly-only experimental API. (`stdarch_x86_avx512` #111137)
Available on x86-64 and target feature `avx512f` only.
Expand description

Convert the lower double-precision (64-bit) floating-point element in a to an unsigned 64-bit integer with truncation, and store the result in dst.

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