168d75effSDimitry Andric //===-- crc32_hw.cpp --------------------------------------------*- C++ -*-===// 268d75effSDimitry Andric // 368d75effSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 468d75effSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 568d75effSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 668d75effSDimitry Andric // 768d75effSDimitry Andric //===----------------------------------------------------------------------===// 868d75effSDimitry Andric 968d75effSDimitry Andric #include "checksum.h" 1068d75effSDimitry Andric 1168d75effSDimitry Andric namespace scudo { 1268d75effSDimitry Andric 133a9a9c0cSDimitry Andric #if defined(__CRC32__) || defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32) 1468d75effSDimitry Andric u32 computeHardwareCRC32(u32 Crc, uptr Data) { 1568d75effSDimitry Andric return static_cast<u32>(CRC32_INTRINSIC(Crc, Data)); 1668d75effSDimitry Andric } 1781ad6265SDimitry Andric #endif // defined(__CRC32__) || defined(__SSE4_2__) || 1881ad6265SDimitry Andric // defined(__ARM_FEATURE_CRC32) 1968d75effSDimitry Andric 20*0fca6ea1SDimitry Andric #if defined(__loongarch__) 21*0fca6ea1SDimitry Andric u32 computeHardwareCRC32(u32 Crc, uptr Data) { 22*0fca6ea1SDimitry Andric // The LoongArch CRC intrinsics have the two input arguments swapped, and 23*0fca6ea1SDimitry Andric // expect them to be signed. 24*0fca6ea1SDimitry Andric return static_cast<u32>( 25*0fca6ea1SDimitry Andric CRC32_INTRINSIC(static_cast<long>(Data), static_cast<int>(Crc))); 26*0fca6ea1SDimitry Andric } 27*0fca6ea1SDimitry Andric #endif // defined(__loongarch__) 28*0fca6ea1SDimitry Andric 2968d75effSDimitry Andric } // namespace scudo 30