Function no_std_compat::arch::x86_64::_xsetbv
1.27.0 · source · pub unsafe fn _xsetbv(a: u32, val: u64)Available on x86-64 only.
Expand description
Copies 64-bits from val to the extended control register (XCR) specified
by a.
Currently only XFEATURE_ENABLED_MASK XCR is supported.