Function core::arch::x86_64::_fxrstor 1.27.0[−][src]
pub unsafe fn _fxrstor(mem_addr: *const u8)This is supported on x86-64 and target feature
fxsr only.Expand description
Restores the XMM, MMX, MXCSR, and x87 FPU registers from the
512-byte-long 16-byte-aligned memory region mem_addr.
The contents of this memory region should have been written to by a
previous
_fxsave or _fxsave64 intrinsic.
A misaligned destination operand raises a general-protection (#GP) or an alignment check exception (#AC).