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Commit 24da9c26 authored by H. Peter Anvin's avatar H. Peter Anvin
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x86, cpu: Add CPU flags for F16C and RDRND 



Add support for the newly documented F16C (16-bit floating point
conversions) and RDRND (RDRAND instruction) CPU feature flags.

Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent 23016bf0

arch/x86/include/asm/cpufeature.h

+2 −0
Original line number Diff line number Diff line
@@ -124,6 +124,8 @@ 
#define X86_FEATURE_XSAVE	(4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */

#define X86_FEATURE_OSXSAVE	(4*32+27) /* "" XSAVE enabled in the OS */

#define X86_FEATURE_AVX		(4*32+28) /* Advanced Vector Extensions */

#define X86_FEATURE_F16C	(4*32+29) /* 16-bit fp conversions */

#define X86_FEATURE_RDRND	(4*32+30) /* The RDRAND instruction */

#define X86_FEATURE_HYPERVISOR	(4*32+31) /* Running on a hypervisor */



/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */