fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.8 KiB
52 lines
1.8 KiB
// Copyright (c) 2018, Arm Limited and affiliates. All rights reserved.
|
|
// This source code is licensed under both the GPLv2 (found in the
|
|
// COPYING file in the root directory) and Apache 2.0 License
|
|
// (found in the LICENSE.Apache file in the root directory).
|
|
|
|
#ifndef UTIL_CRC32C_ARM64_H
|
|
#define UTIL_CRC32C_ARM64_H
|
|
|
|
#include <cinttypes>
|
|
#include <cstddef>
|
|
|
|
#if defined(__aarch64__) || defined(__AARCH64__)
|
|
|
|
#ifdef __ARM_FEATURE_CRC32
|
|
#define HAVE_ARM64_CRC
|
|
#include <arm_acle.h>
|
|
#define crc32c_u8(crc, v) __crc32cb(crc, v)
|
|
#define crc32c_u16(crc, v) __crc32ch(crc, v)
|
|
#define crc32c_u32(crc, v) __crc32cw(crc, v)
|
|
#define crc32c_u64(crc, v) __crc32cd(crc, v)
|
|
// clang-format off
|
|
#define PREF4X64L1(buffer, PREF_OFFSET, ITR) \
|
|
__asm__("PRFM PLDL1KEEP, [%x[v],%[c]]" ::[v] "r"(buffer), \
|
|
[c] "I"((PREF_OFFSET) + ((ITR) + 0) * 64)); \
|
|
__asm__("PRFM PLDL1KEEP, [%x[v],%[c]]" ::[v] "r"(buffer), \
|
|
[c] "I"((PREF_OFFSET) + ((ITR) + 1) * 64)); \
|
|
__asm__("PRFM PLDL1KEEP, [%x[v],%[c]]" ::[v] "r"(buffer), \
|
|
[c] "I"((PREF_OFFSET) + ((ITR) + 2) * 64)); \
|
|
__asm__("PRFM PLDL1KEEP, [%x[v],%[c]]" ::[v] "r"(buffer), \
|
|
[c] "I"((PREF_OFFSET) + ((ITR) + 3) * 64));
|
|
// clang-format on
|
|
|
|
#define PREF1KL1(buffer, PREF_OFFSET) \
|
|
PREF4X64L1(buffer, (PREF_OFFSET), 0) \
|
|
PREF4X64L1(buffer, (PREF_OFFSET), 4) \
|
|
PREF4X64L1(buffer, (PREF_OFFSET), 8) \
|
|
PREF4X64L1(buffer, (PREF_OFFSET), 12)
|
|
|
|
extern uint32_t crc32c_arm64(uint32_t crc, unsigned char const *data,
|
|
size_t len);
|
|
extern uint32_t crc32c_runtime_check(void);
|
|
extern bool crc32c_pmull_runtime_check(void);
|
|
|
|
#ifdef __ARM_FEATURE_CRYPTO
|
|
#define HAVE_ARM64_CRYPTO
|
|
#include <arm_neon.h>
|
|
#endif // __ARM_FEATURE_CRYPTO
|
|
#endif // __ARM_FEATURE_CRC32
|
|
|
|
#endif // defined(__aarch64__) || defined(__AARCH64__)
|
|
|
|
#endif
|
|
|