1//===-- scudo_crc32.cpp -----------------------------------------*- C++ -*-===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8/// 9/// CRC32 function leveraging hardware specific instructions. This has to be 10/// kept separated to restrict the use of compiler specific flags to this file. 11/// 12//===----------------------------------------------------------------------===// 13 14#include "scudo_crc32.h" 15 16namespace __scudo { 17 18#if defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32) 19u32 computeHardwareCRC32(u32 Crc, uptr Data) { 20 return CRC32_INTRINSIC(Crc, Data); 21} 22#endif // defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32) 23 24} // namespace __scudo 25