Function core::arch::aarch64::_cls_u64

source · [−]
pub unsafe fn _cls_u64(x: u64) -> u64
🔬 This is a nightly-only experimental API. (stdsimd #48556)
Available on AArch64 only.
Expand description

Counts the leading most significant bits set.

When all bits of the operand are set it returns the size of the operand in bits.