☰
In core::arch::aarch64
?
Function
core
::
arch
::
aarch64
::
_cls_u64
source
·
[
−
]
pub unsafe fn _cls_u64(x:
u64
) ->
u64
🔬
This is a nightly-only experimental API. (
stdsimd
#48556
)
Available on
AArch64
only.
Expand description
计算前导最高有效位集。
设置操作数的所有位后,它将返回操作数的大小 (以位为单位)。