Function core::arch::x86_64::_tzcnt_u32

1.27.0 · source ·
pub unsafe fn _tzcnt_u32(x: u32) -> u32
Available on (x86 or x86-64) and target feature bmi1 and x86-64 only.
Expand description

Counts the number of trailing least significant zero bits.

When the source operand is 0, it returns its size in bits.

Intel’s documentation

This documentation is an old archive. Please see https://rust.docs.kernel.org instead.