1 //===-- scudo_crc32.cpp -----------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 /// 10 /// CRC32 function leveraging hardware specific instructions. This has to be 11 /// kept separated to restrict the use of compiler specific flags to this file. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #include "scudo_crc32.h" 16 17 namespace __scudo { 18 19 #if defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32) 20 u32 computeHardwareCRC32(u32 Crc, uptr Data) { 21 return CRC32_INTRINSIC(Crc, Data); 22 } 23 #endif // defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32) 24 25 } // namespace __scudo 26