scudo_crc32.cpp 937 B

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  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. #include "scudo_crc32.h"
  14. namespace __scudo {
  15. #if defined(__CRC32__) || defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32)
  16. u32 computeHardwareCRC32(u32 Crc, uptr Data) {
  17. return CRC32_INTRINSIC(Crc, Data);
  18. }
  19. #endif // defined(__CRC32__) || defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32)
  20. } // namespace __scudo