Function std::arch::x86_64::_mm_tzcnt_64 [−] [src]

pub unsafe fn _mm_tzcnt_64(x: u64) -> i64

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

Counts the number of trailing least significant zero bits.

When the source operand is 0, it returns its size in bits.

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