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authorDamjan Marion <damarion@cisco.com>2017-04-26 13:05:05 +0200
committerDave Barach <openvpp@barachs.net>2017-05-10 16:47:10 +0000
commit0f68c79a9d8533d492c8221f924b14cf4e222136 (patch)
tree269f45626938f179a20d0519ebd27781d7c51708 /src/plugins/acl/bihash_40_8.h
parent4fb27eed7e1f986394e20035a24476237c7e6f60 (diff)
Add crc32c inline function, allows compilation on 32-bit systems
32-bit code still can use crc32c instructions, but it operates on 32 registers Change-Id: I9bb6b0b59635d6ea6a753584676ebcf59c8f6584 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/acl/bihash_40_8.h')
-rw-r--r--src/plugins/acl/bihash_40_8.h9
1 files changed, 2 insertions, 7 deletions
diff --git a/src/plugins/acl/bihash_40_8.h b/src/plugins/acl/bihash_40_8.h
index ba3dfbeaaf0..1dfb6a1eb14 100644
--- a/src/plugins/acl/bihash_40_8.h
+++ b/src/plugins/acl/bihash_40_8.h
@@ -24,6 +24,7 @@
#include <vppinfra/format.h>
#include <vppinfra/pool.h>
#include <vppinfra/xxhash.h>
+#include <vppinfra/crc32.h>
typedef struct
{
@@ -44,13 +45,7 @@ static inline u64
clib_bihash_hash_40_8 (const clib_bihash_kv_40_8_t * v)
{
#if __SSE4_2__
- u32 value = 0;
- value = _mm_crc32_u64 (value, v->key[0]);
- value = _mm_crc32_u64 (value, v->key[1]);
- value = _mm_crc32_u64 (value, v->key[2]);
- value = _mm_crc32_u64 (value, v->key[3]);
- value = _mm_crc32_u64 (value, v->key[4]);
- return value;
+ return clib_crc32c ((u8 *) v->key, 40);
#else
u64 tmp = v->key[0] ^ v->key[1] ^ v->key[2] ^ v->key[3] ^ v->key[4];
return clib_xxhash (tmp);