/* * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved. * Copyright 2016 Cryptography Research, Inc. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html * * Originally written by Mike Hamburg */ #ifndef __ARCH_ARCH_32_ARCH_INTRINSICS_H__ #define __ARCH_ARCH_32_ARCH_INTRINSICS_H__ #define ARCH_WORD_BITS 32 static __inline__ __attribute((always_inline,unused)) uint32_t word_is_zero(uint32_t a) { /* let's hope the compiler isn't clever enough to optimize this. */ return (((uint64_t)a)-1)>>32; } static __inline__ __attribute((always_inline,unused)) uint64_t widemul(uint32_t a, uint32_t b) { return ((uint64_t)a) * b; } #endif /* __ARCH_ARM_32_ARCH_INTRINSICS_H__ */