+#if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
+size_t aesni_gcm_encrypt(const unsigned char *in,
+ unsigned char *out,
+ size_t len,
+ const void *key,
+ unsigned char ivec[16],
+ u64 *Xi);
+#define AES_gcm_encrypt aesni_gcm_encrypt
+size_t aesni_gcm_decrypt(const unsigned char *in,
+ unsigned char *out,
+ size_t len,
+ const void *key,
+ unsigned char ivec[16],
+ u64 *Xi);
+#define AES_gcm_decrypt aesni_gcm_decrypt
+void gcm_ghash_avx(u64 Xi[2],const u128 Htable[16],const u8 *in,size_t len);
+#define AES_GCM_ASM(gctx) (gctx->ctr==aesni_ctr32_encrypt_blocks && \
+ gctx->gcm.ghash==gcm_ghash_avx)
+#endif
+