+ CPUFEAT_X86_RDRAND, /* Built-in entropy source */
+ CPUFEAT_ARM_AES, /* AES instructions */
+ CPUFEAT_X86_AVX, /* AVX 1 (i.e., 256-bit YMM regs) */
+ CPUFEAT_X86_SSSE3, /* Supplementary SSE 3 */
+ CPUFEAT_X86_PCLMUL, /* Carry-less multiplication */
+ CPUFEAT_ARM_PMULL /* Polynomial multiplication */