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 16 namespace __scudo { 17 18 #if defined(__CRC32__) || defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32) 19 u32 computeHardwareCRC32(u32 Crc, uptr Data) { 20 return CRC32_INTRINSIC(Crc, Data); 21 } 22 #endif // defined(__CRC32__) || defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32) 23 24 } // namespace __scudo 25