[PATCH]x86/cpufeatures.h: Enumerate A Few New AVX-512 Features

From: Fenghua Yu
Date: Wed Mar 09 2016 - 13:16:25 EST


From: Fenghua Yu <fenghua.yu@xxxxxxxxx>

A few new AVX-512 instruction groups/features are added in cpufeatures.h
for enuermation: AVX512DQ, AVX512BW, and AVX512VL.

The specification for latest AVX-512 including the features can be found at
https://software.intel.com/sites/default/files/managed/07/b7/319433-023.pdf

Signed-off-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>
---
arch/x86/include/asm/cpufeature.h | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 7ad8c94..71a5cc4 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -219,6 +219,7 @@
#define X86_FEATURE_CQM ( 9*32+12) /* Cache QoS Monitoring */
#define X86_FEATURE_MPX ( 9*32+14) /* Memory Protection Extension */
#define X86_FEATURE_AVX512F ( 9*32+16) /* AVX-512 Foundation */
+#define X86_FEATURE_AVX512DQ ( 9*32+17) /* AVX-512 DQ Instructions */
#define X86_FEATURE_RDSEED ( 9*32+18) /* The RDSEED instruction */
#define X86_FEATURE_ADX ( 9*32+19) /* The ADCX and ADOX instructions */
#define X86_FEATURE_SMAP ( 9*32+20) /* Supervisor Mode Access Prevention */
@@ -229,6 +230,8 @@
#define X86_FEATURE_AVX512ER ( 9*32+27) /* AVX-512 Exponential and Reciprocal */
#define X86_FEATURE_AVX512CD ( 9*32+28) /* AVX-512 Conflict Detection */
#define X86_FEATURE_SHA_NI ( 9*32+29) /* SHA1/SHA256 Instruction Extensions */
+#define X86_FEATURE_AVX512BW ( 9*32+30) /* AVX-512 BW Instructions */
+#define X86_FEATURE_AVX512VL ( 9*32+31) /* AVX-512 Vector Lengths */

/* Extended state features, CPUID level 0x0000000d:1 (eax), word 10 */
#define X86_FEATURE_XSAVEOPT (10*32+ 0) /* XSAVEOPT */
--
2.5.0