1238438Sdteske/*
2238438Sdteske * Copyright 2017-2022 The OpenSSL Project Authors. All Rights Reserved.
3238438Sdteske * Copyright 2016 Cryptography Research, Inc.
4238438Sdteske *
5238438Sdteske * Licensed under the Apache License 2.0 (the "License").  You may not use
6238438Sdteske * this file except in compliance with the License.  You can obtain a copy
7238438Sdteske * in the file LICENSE in the source distribution or at
8238438Sdteske * https://www.openssl.org/source/license.html
9238438Sdteske *
10238438Sdteske * Originally written by Mike Hamburg
11238438Sdteske */
12238438Sdteske
13238438Sdteske#ifndef OSSL_CRYPTO_EC_CURVE448_ARCH_64_INTRINSICS_H
14238438Sdteske# define OSSL_CRYPTO_EC_CURVE448_ARCH_64_INTRINSICS_H
15238438Sdteske
16238438Sdteske# include "internal/constant_time.h"
17
18# define ARCH_WORD_BITS 64
19
20# define word_is_zero(a)     constant_time_is_zero_64(a)
21
22static ossl_inline uint128_t widemul(uint64_t a, uint64_t b)
23{
24    return ((uint128_t) a) * b;
25}
26
27#endif                          /* OSSL_CRYPTO_EC_CURVE448_ARCH_64_INTRINSICS_H */
28