03c7ae24c2
Summary: 1. Add Arm linear crc32c implemtation for RocksDB. 2. Arm runtime check for crc32 Pull Request resolved: https://github.com/facebook/rocksdb/pull/5221 Differential Revision: D15013685 Pulled By: siying fbshipit-source-id: 2c2983743d26656d93f212dc7c1a3cf66a1acf12
22 lines
620 B
C
22 lines
620 B
C
// Copyright (c) 2018, Arm Limited and affiliates. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#ifndef UTIL_CRC32C_ARM64_H
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#define UTIL_CRC32C_ARM64_H
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#include <inttypes.h>
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#if defined(__aarch64__) || defined(__AARCH64__)
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#ifdef __ARM_FEATURE_CRC32
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#define HAVE_ARM64_CRC
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#include <arm_acle.h>
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extern uint32_t crc32c_arm64(uint32_t crc, unsigned char const *data, unsigned len);
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extern uint32_t crc32c_runtime_check(void);
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#endif
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#endif
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#endif
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