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
@@ -549,6 +549,9 @@
 /*
  * CPUID instruction 7 Structured Extended Features, leaf 1 eax info
  */
+#define	CPUID_STDEXT4_SHA512		0x00000001
+#define	CPUID_STDEXT4_SM3		0x00000002
+#define	CPUID_STDEXT4_SM4		0x00000004
 #define	CPUID_STDEXT4_LASS		0x00000040
 #define	CPUID_STDEXT4_FRED		0x00020000
 #define	CPUID_STDEXT4_LKGS		0x00040000
diff --git a/sys/x86/x86/identcpu.c b/sys/x86/x86/identcpu.c
--- a/sys/x86/x86/identcpu.c
+++ b/sys/x86/x86/identcpu.c
@@ -1052,6 +1052,9 @@
 				printf("\n  Structured Extended Features4=0x%b",
 				    cpu_stdext_feature4,
 				       "\020"
+				       "\001SHA512"
+				       "\002SM3"
+				       "\003SM4"
 				       "\007LASS"
 				       "\022FRED"
 				       "\023LKGS"