pub unsafe fn _xrstor(mem_addr: *const u8, rs_mask: u64)Available on (x86 or x86-64) and target feature
xsave and x86 only.Expand description
Performs a full or partial restore of the enabled processor states using
the state information stored in memory at mem_addr.
State is restored based on bits [62:0] in rs_mask, XCR0, and
mem_addr.HEADER.XSTATE_BV. mem_addr must be aligned on a 64-byte
boundary.