2 * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2016 Cryptography Research, Inc.
5 * Licensed under the Apache License 2.0 (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
10 * Originally written by Mike Hamburg
13 #ifndef HEADER_ARCH_32_ARCH_INTRINSICS_H
14 # define HEADER_ARCH_32_ARCH_INTRINSICS_H
16 #include "internal/constant_time.h"
18 # define ARCH_WORD_BITS 32
20 #define word_is_zero(a) constant_time_is_zero_32(a)
22 static ossl_inline uint64_t widemul(uint32_t a, uint32_t b)
24 return ((uint64_t)a) * b;
27 #endif /* HEADER_ARCH_32_ARCH_INTRINSICS_H */