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>
diff --git a/src/plugins/acl/bihash_40_8.h b/src/plugins/acl/bihash_40_8.h
index ba3dfbe..1dfb6a1 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 @@
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);