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.