Function core::arch::x86_64::_bextr_u641.27.0[−][src]

pub unsafe fn _bextr_u64(a: u64, start: u32, len: u32) -> u64

This is supported on x86-64 and target feature bmi1 only.

Expand description

从 a 提取范围为 [start，start + length) 的位到结果的最低有效位。