Function core::arch::x86_64::_xsetbv 1.27.0[−][src]
pub unsafe fn _xsetbv(a: u32, val: u64)
This is supported on x86-64 and target feature
xsave
only.Copy 64-bits from val
to the extended control register (XCR
) specified
by a
.
Currently only XFEATURE_ENABLED_MASK
XCR
is supported.