Function core::arch::aarch64::_cls_u32[][src]

pub unsafe fn _cls_u32(x: u32) -> u32
🔬 This is a nightly-only experimental API. (stdsimd #48556)
This is supported on (non-crate feature miri-test-libstd or test or doctest) and 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.