Function core::arch::x86_64::_tzcnt_u321.27.0[][src]

pub unsafe fn _tzcnt_u32(x: u32) -> u32
This is supported on x86-64 and target feature bmi1 only.
Expand description

计算尾随的最低有效零位的数量。

当源操作数为 0 时,它将返回其大小 (以位为单位)。

Intel’s documentation