☰
In core::arch::x86_64
?
Function
core
::
arch
::
x86_64
::
_blsi_u64
1.27.0
·
source
·
[
−
]
pub unsafe fn _blsi_u64(x:
u64
) ->
u64
Available on
x86-64 and target feature
bmi1
only.
Expand description
提取最低位隔离位。
Intel’s documentation