_blsi_u64
core
1.91.0-nightly
(e53d2f604 2025-09-05) (Ferrocene by Ferrous Systems)
In core::
arch::
x86_
64
core
::
arch
::
x86_64
Function
_blsi_
u64
Copy item path
1.27.0
·
Source
pub fn _blsi_u64(x:
u64
) ->
u64
Available on
x86-64 and target feature
bmi1
only.
Expand description
Extracts lowest set isolated bit.
Intel’s documentation