| Kostya Kortchinsky | c4d8f3f | 2017-01-10 16:39:36 +0000 | [diff] [blame] | 1 | //===-- scudo_crc32.cpp -----------------------------------------*- C++ -*-===// |
| 2 | // |
| Chandler Carruth | 58d4360 | 2019-01-19 08:50:56 +0000 | [diff] [blame] | 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 |
| Kostya Kortchinsky | c4d8f3f | 2017-01-10 16:39:36 +0000 | [diff] [blame] | 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 | |
| Kostya Kortchinsky | b5a9809 | 2017-05-09 15:12:38 +0000 | [diff] [blame] | 14 | #include "scudo_crc32.h" |
| Kostya Kortchinsky | c4d8f3f | 2017-01-10 16:39:36 +0000 | [diff] [blame] | 15 | |
| 16 | namespace __scudo { |
| 17 | |
| 18 | #if defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32) |
| Kostya Kortchinsky | 90a89f0 | 2017-01-18 17:11:17 +0000 | [diff] [blame] | 19 | u32 computeHardwareCRC32(u32 Crc, uptr Data) { |
| Kostya Kortchinsky | c4d8f3f | 2017-01-10 16:39:36 +0000 | [diff] [blame] | 20 | return CRC32_INTRINSIC(Crc, Data); |
| 21 | } |
| Kostya Kortchinsky | c4d8f3f | 2017-01-10 16:39:36 +0000 | [diff] [blame] | 22 | #endif // defined(__SSE4_2__) || defined(__ARM_FEATURE_CRC32) |
| 23 | |
| 24 | } // namespace __scudo |