Function core::arch::x86::_blci_u64 [] [src]

pub unsafe fn _blci_u64(x: u64) -> u64
🔬 This is a nightly-only experimental API. (stdsimd #48556)
This is supported on x86 and target feature tbm only.

Sets all bits of x to 1 except for the least significant zero bit.

If there is no zero bit in x, it sets all bits.