Function core::arch::x86::_mm_tzcnt_32

1.27.0 · source ·

pub unsafe fn _mm_tzcnt_32(x: u32) -> i32

Available on (x86 or x86-64) and target feature bmi1 and x86 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)。