blob: 910cf9460313f6a9492c4406d36d255e8f833353 [file] [log] [blame]
//===-- crc32_hw.cpp --------------------------------------------*- 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(__CRC32__) || defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32)
u32 computeHardwareCRC32(u32 Crc, uptr Data) {
return static_cast<u32>(CRC32_INTRINSIC(Crc, Data));
}
#endif // defined(__CRC32__) || defined(__SSE4_2__) ||
// defined(__ARM_FEATURE_CRC32)
#if defined(__loongarch__)
u32 computeHardwareCRC32(u32 Crc, uptr Data) {
// The LoongArch CRC intrinsics have the two input arguments swapped, and
// expect them to be signed.
return static_cast<u32>(
CRC32_INTRINSIC(static_cast<long>(Data), static_cast<int>(Crc)));
}
#endif // defined(__loongarch__)
} // namespace scudo