369991d997
Replace the BSD license header with the SPDX tag for files with only an Intel copyright on them. Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
|
|
* Copyright(c) 2017 Intel Corporation
|
|
*/
|
|
|
|
#ifndef _RTE_MEMBER_X86_H_
|
|
#define _RTE_MEMBER_X86_H_
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <x86intrin.h>
|
|
|
|
#if defined(RTE_MACHINE_CPUFLAG_AVX2)
|
|
|
|
static inline int
|
|
update_entry_search_avx(uint32_t bucket_id, member_sig_t tmp_sig,
|
|
struct member_ht_bucket *buckets,
|
|
member_set_t set_id)
|
|
{
|
|
uint32_t hitmask = _mm256_movemask_epi8((__m256i)_mm256_cmpeq_epi16(
|
|
_mm256_load_si256((__m256i const *)buckets[bucket_id].sigs),
|
|
_mm256_set1_epi16(tmp_sig)));
|
|
if (hitmask) {
|
|
uint32_t hit_idx = __builtin_ctzl(hitmask) >> 1;
|
|
buckets[bucket_id].sets[hit_idx] = set_id;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline int
|
|
search_bucket_single_avx(uint32_t bucket_id, member_sig_t tmp_sig,
|
|
struct member_ht_bucket *buckets,
|
|
member_set_t *set_id)
|
|
{
|
|
uint32_t hitmask = _mm256_movemask_epi8((__m256i)_mm256_cmpeq_epi16(
|
|
_mm256_load_si256((__m256i const *)buckets[bucket_id].sigs),
|
|
_mm256_set1_epi16(tmp_sig)));
|
|
while (hitmask) {
|
|
uint32_t hit_idx = __builtin_ctzl(hitmask) >> 1;
|
|
if (buckets[bucket_id].sets[hit_idx] != RTE_MEMBER_NO_MATCH) {
|
|
*set_id = buckets[bucket_id].sets[hit_idx];
|
|
return 1;
|
|
}
|
|
hitmask &= ~(3U << ((hit_idx) << 1));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline void
|
|
search_bucket_multi_avx(uint32_t bucket_id, member_sig_t tmp_sig,
|
|
struct member_ht_bucket *buckets,
|
|
uint32_t *counter,
|
|
uint32_t match_per_key,
|
|
member_set_t *set_id)
|
|
{
|
|
uint32_t hitmask = _mm256_movemask_epi8((__m256i)_mm256_cmpeq_epi16(
|
|
_mm256_load_si256((__m256i const *)buckets[bucket_id].sigs),
|
|
_mm256_set1_epi16(tmp_sig)));
|
|
while (hitmask) {
|
|
uint32_t hit_idx = __builtin_ctzl(hitmask) >> 1;
|
|
if (buckets[bucket_id].sets[hit_idx] != RTE_MEMBER_NO_MATCH) {
|
|
set_id[*counter] = buckets[bucket_id].sets[hit_idx];
|
|
(*counter)++;
|
|
if (*counter >= match_per_key)
|
|
return;
|
|
}
|
|
hitmask &= ~(3U << ((hit_idx) << 1));
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _RTE_MEMBER_X86_H_ */
|