> +/* Zhaoxin sm2 verify function */
> +static inline size_t zhaoxin_gmi_sm2_verify(unsigned char *key, unsigned char *hash,
> + unsigned char *sig, unsigned char *scratch)
> +{
> + size_t result;
> +
> + asm volatile(
> + ".byte 0xf2, 0x0f, 0xa6, 0xc0"
> + :"=c"(result)
> + :"a"(hash), "b"(key), "d"(SM2_CWORD_VERIFY), "S"(scratch), "D"(sig)
> + :"memory");
> +
> + return result;
> +}
What version of binutils supports this new instruction?
