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XSTATE_MASK_XXX

The XSTATE_MASK_XXX constants are flag bits that identify extended processor features that might be available to kernel-mode drivers.

ConstantDescription
XSTATE_MASK_LEGACY_FLOATING_POINT

The floating-point extension (x87/MMX).

XSTATE_MASK_LEGACY_SSE

The streaming SIMD extension (SSE).

XSTATE_MASK_LEGACY

Both the x87/MMX and SSE extensions.

XSTATE_MASK_GSSE

The Intel Sandy Bridge (formerly Gesher) SSE extension.

Remarks

The XSTATE_MASK_XXX constants are used by the KeSaveExtendedProcessorState and RtlGetEnabledExtendedFeatures routines.

Requirements

Version

Supported in Windows 7 and later versions of the Windows operating system.

Header

Winnt.h (include Windows.h);
Ntddk.h (include Ntddk.h or Ntifs.h)

See also

KeSaveExtendedProcessorState
RtlGetEnabledExtendedFeatures

 

 

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