# Function core::arch::x86_64::_bextr_u64
1.27.0[−][src]

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

This is supported on (non-crate feature `miri-test-libstd` or `test` or `doctest`) and x86-64 and non-x86 and target feature `bmi1` only.
Expand description

Extracts bits in range [`start`, `start` + `length`) from `a` into the least significant bits of the result.

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