1*76559068SAndroid Build Coastguard Worker //===-- crc32_hw.cpp --------------------------------------------*- C++ -*-===// 2*76559068SAndroid Build Coastguard Worker // 3*76559068SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*76559068SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information. 5*76559068SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*76559068SAndroid Build Coastguard Worker // 7*76559068SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===// 8*76559068SAndroid Build Coastguard Worker 9*76559068SAndroid Build Coastguard Worker #include "checksum.h" 10*76559068SAndroid Build Coastguard Worker 11*76559068SAndroid Build Coastguard Worker namespace scudo { 12*76559068SAndroid Build Coastguard Worker 13*76559068SAndroid Build Coastguard Worker #if defined(__CRC32__) || defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32) computeHardwareCRC32(u32 Crc,uptr Data)14*76559068SAndroid Build Coastguard Workeru32 computeHardwareCRC32(u32 Crc, uptr Data) { 15*76559068SAndroid Build Coastguard Worker return static_cast<u32>(CRC32_INTRINSIC(Crc, Data)); 16*76559068SAndroid Build Coastguard Worker } 17*76559068SAndroid Build Coastguard Worker #endif // defined(__CRC32__) || defined(__SSE4_2__) || 18*76559068SAndroid Build Coastguard Worker // defined(__ARM_FEATURE_CRC32) 19*76559068SAndroid Build Coastguard Worker 20*76559068SAndroid Build Coastguard Worker #if defined(__loongarch__) computeHardwareCRC32(u32 Crc,uptr Data)21*76559068SAndroid Build Coastguard Workeru32 computeHardwareCRC32(u32 Crc, uptr Data) { 22*76559068SAndroid Build Coastguard Worker // The LoongArch CRC intrinsics have the two input arguments swapped, and 23*76559068SAndroid Build Coastguard Worker // expect them to be signed. 24*76559068SAndroid Build Coastguard Worker return static_cast<u32>( 25*76559068SAndroid Build Coastguard Worker CRC32_INTRINSIC(static_cast<long>(Data), static_cast<int>(Crc))); 26*76559068SAndroid Build Coastguard Worker } 27*76559068SAndroid Build Coastguard Worker #endif // defined(__loongarch__) 28*76559068SAndroid Build Coastguard Worker 29*76559068SAndroid Build Coastguard Worker } // namespace scudo 30