diff options
Diffstat (limited to 'lib/librte_table/rte_table_hash_func_arm64.h')
-rw-r--r-- | lib/librte_table/rte_table_hash_func_arm64.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/librte_table/rte_table_hash_func_arm64.h b/lib/librte_table/rte_table_hash_func_arm64.h new file mode 100644 index 00000000..eb04c1ff --- /dev/null +++ b/lib/librte_table/rte_table_hash_func_arm64.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2017-2018 Linaro Limited + */ + +#ifndef __INCLUDE_RTE_TABLE_HASH_FUNC_ARM64_H__ +#define __INCLUDE_RTE_TABLE_HASH_FUNC_ARM64_H__ + +#define _CRC32CX(crc, val) \ + __asm__("crc32cx %w[c], %w[c], %x[v]":[c] "+r" (crc):[v] "r" (val)) + +static inline uint64_t +rte_crc32_u64(uint64_t crc, uint64_t v) +{ + uint32_t crc32 = crc; + + _CRC32CX(crc32, v); + + return crc32; +} + +#endif |