mirror of https://github.com/F-Stack/f-stack.git
31 lines
666 B
C
31 lines
666 B
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2014 Intel Corporation
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*/
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#ifndef _RTE_BYTEORDER_X86_H_
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#error do not include this file directly, use <rte_byteorder.h> instead
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#endif
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#ifndef _RTE_BYTEORDER_X86_64_H_
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#define _RTE_BYTEORDER_X86_64_H_
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#include <stdint.h>
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#include <rte_common.h>
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/*
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* An architecture-optimized byte swap for a 64-bit value.
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*
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* Do not use this function directly. The preferred function is rte_bswap64().
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*/
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/* 64-bit mode */
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static inline uint64_t rte_arch_bswap64(uint64_t _x)
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{
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uint64_t x = _x;
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asm volatile ("bswap %[x]"
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: [x] "+r" (x)
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);
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return x;
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}
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#endif /* _RTE_BYTEORDER_X86_64_H_ */
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