__readeflags

This topic is new for Visual Studio 2005 SP1.

Reads the program status and control (EFLAGS) register.

unsigned     int __readeflags(void);
unsigned __int64 __readeflags(void);

Return Value

The value of the EFLAGS register. The return value is 32 bits long on a 32-bit platform and 64 bits long on a 64-bit platform.

Remarks

These routines are available only as intrinsics.

Requirements

Header file <intrin.h>

See Also

Concepts

Compiler Intrinsics

__writeeflags