diff --git a/sys/x86/include/specialreg.h b/sys/x86/include/specialreg.h
--- a/sys/x86/include/specialreg.h
+++ b/sys/x86/include/specialreg.h
@@ -108,6 +108,9 @@
 #define	XFEATURE_ENABLED_OPMASK		0x00000020
 #define	XFEATURE_ENABLED_ZMM_HI256	0x00000040
 #define	XFEATURE_ENABLED_HI16_ZMM	0x00000080
+#define	XFEATURE_ENABLED_PKRU		0x00000200
+#define	XFEATURE_ENABLED_TILECONFIG	0x00020000
+#define	XFEATURE_ENABLED_TILEDATA	0x00040000
 
 #define	XFEATURE_AVX					\
     (XFEATURE_ENABLED_X87 | XFEATURE_ENABLED_SSE | XFEATURE_ENABLED_AVX)