Saves the states of x87 FPU, MMX, XMM, and MXCSR registers to memory.
Syntax
extern void _fxsave64(void *mem); |
Arguments
- mem
-
A memory reference to FXSAVE area. The 512-bytes memory addressed by the reference must be 16-bytes aligned.
Description
Saves the states of x87 FPU, MMX, XMM, and MXCSR registers to memory. This intrinsic maps to FXSAVE64 instruction.