Restores the states of x87 FPU, MMX, XMM, YMM, and MXCSR registers from memory.
Syntax
extern void _xrstor(void *mem, unsigned __int64 rstor_mask); |
Arguments
- mem
-
A memory reference to FXSAVE area. The 512-bytes memory addressed by the reference must be 16-bytes aligned.
- rstor_mask
-
A bit mask specifying the extended states to be restored.
Description
Restores the states of x87 FPU, MMX, XMM, YMM, and MXCSR registers from memory. This intrinsic maps to XRSTOR instruction.