Function core::arch::x86_64::_mm_cvttsd_si64

pub unsafe fn _mm_cvttsd_si64(a: __m128d) -> i64

This is supported on (non-crate feature miri-test-libstd or test or doctest) and x86-64 and target feature sse2 only.

Converts the lower double-precision (64-bit) floating-point element in a to a 64-bit integer with truncation.

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