#define GNU_PROPERTY_X86_FEATURE_2_XSAVEC (1U << 9)
#define GNU_PROPERTY_X86_FEATURE_2_TMM (1U << 10)
#define GNU_PROPERTY_X86_FEATURE_2_MASK (1U << 11)
+#define GNU_PROPERTY_X86_FEATURE_2_CODE16 (1U << 12)
#define GNU_PROPERTY_X86_COMPAT_2_ISA_1_NEEDED \
(GNU_PROPERTY_X86_UINT32_OR_LO + 0)