Function core::arch::aarch64::_cls_u64

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