Function core::arch::x86_64::_bextr2_u32

pub unsafe fn _bextr2_u32(a: u32, control: u32) -> u32

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

Extracts bits of a specified by control into the least significant bits of the result.

Bits [7,0] of control specify the index to the first bit in the range to be extracted, and bits [15,8] specify the length of the range.

Intel’s documentation