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Diffstat (limited to 'lib/scudo/standalone/crc32_hw.cc')
-rw-r--r-- | lib/scudo/standalone/crc32_hw.cc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/scudo/standalone/crc32_hw.cc b/lib/scudo/standalone/crc32_hw.cc new file mode 100644 index 000000000..f4dae7b5f --- /dev/null +++ b/lib/scudo/standalone/crc32_hw.cc @@ -0,0 +1,19 @@ +//===-- crc32_hw.h ----------------------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "checksum.h" + +namespace scudo { + +#if defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32) +u32 computeHardwareCRC32(u32 Crc, uptr Data) { + return static_cast<u32>(CRC32_INTRINSIC(Crc, Data)); +} +#endif // defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32) + +} // namespace scudo |