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_popcnt32
core
1.98.0-nightly
(6368fd52c 2026-05-29)
In core::
core_
arch::
x86::
abm
core
::
core_arch
::
x86
::
abm
Function
_popcnt32
Copy item path
1.27.0 (const:
unstable
)
·
Source
pub fn _popcnt32(x:
i32
) ->
i32
Available on
target feature
popcnt
and (x86 or x86-64)
only.
Expand description
Counts the bits that are set.
Intel’s documentation