f-stack/dpdk/lib/librte_eal/ppc/include/rte_prefetch.h

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2021-02-05 08:48:47 +00:00
/*
* SPDX-License-Identifier: BSD-3-Clause
* Copyright (C) IBM Corporation 2014.
*/
#ifndef _RTE_PREFETCH_PPC_64_H_
#define _RTE_PREFETCH_PPC_64_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <rte_common.h>
#include "generic/rte_prefetch.h"
static inline void rte_prefetch0(const volatile void *p)
{
asm volatile ("dcbt 0,%[p],0" : : [p] "r" (p));
}
static inline void rte_prefetch1(const volatile void *p)
{
asm volatile ("dcbt 0,%[p],0" : : [p] "r" (p));
}
static inline void rte_prefetch2(const volatile void *p)
{
asm volatile ("dcbt 0,%[p],0" : : [p] "r" (p));
}
static inline void rte_prefetch_non_temporal(const volatile void *p)
{
/* non-temporal version not available, fallback to rte_prefetch0 */
rte_prefetch0(p);
}
__rte_experimental
static inline void
rte_cldemote(const volatile void *p)
{
RTE_SET_USED(p);
}
#ifdef __cplusplus
}
#endif
#endif /* _RTE_PREFETCH_PPC_64_H_ */