_fxsave()

Saves the states of x87 FPU, MMX, XMM, and MXCSR registers to memory.

Syntax

extern void _fxsave(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 FXSAVE instruction.

Para obtener información más completa sobre las optimizaciones del compilador, consulte nuestro Aviso de optimización.