ipsec: infra for selecting backends

[vpp.git] / src / vppinfra / bihash_40_8.h

diff --git a/src/vppinfra/bihash_40_8.h b/src/vppinfra/bihash_40_8.h
index 974a78d..b85adb0 100644 (file)
--- a/src/vppinfra/bihash_40_8.h
+++ b/src/vppinfra/bihash_40_8.h
@@ -14,12 +14,10 @@
  */
 
 #undef BIHASH_TYPE
-#undef BIHASH_KVP_CACHE_SIZE
 #undef BIHASH_KVP_PER_PAGE
 
 #define BIHASH_TYPE _40_8
 #define BIHASH_KVP_PER_PAGE 4
-#define BIHASH_KVP_CACHE_SIZE 2
 
 #ifndef __included_bihash_40_8_h__
 #define __included_bihash_40_8_h__
@@ -39,7 +37,7 @@ typedef struct
 static inline int
 clib_bihash_is_free_40_8 (const clib_bihash_kv_40_8_t * v)
 {
-  /* Free values are memset to 0xff, check a bit... */
+  /* Free values are clib_memset to 0xff, check a bit... */
   if (v->key[0] == ~0ULL && v->value == ~0ULL)
     return 1;
   return 0;
@@ -67,10 +65,25 @@ format_bihash_kvp_40_8 (u8 * s, va_list * args)
 }
 
 static inline int
-clib_bihash_key_compare_40_8 (const u64 * a, const u64 * b)
+clib_bihash_key_compare_40_8 (u64 * a, u64 * b)
 {
+#if defined (CLIB_HAVE_VEC512)
+  u64x8 v;
+  v = u64x8_load_unaligned (a) ^ u64x8_load_unaligned (b);
+  return (u64x8_is_zero_mask (v) & 0x1f) == 0;
+#elif defined (CLIB_HAVE_VEC256)
+  u64x4 v = { a[4] ^ b[4], 0, 0, 0 };
+  v |= u64x4_load_unaligned (a) ^ u64x4_load_unaligned (b);
+  return u64x4_is_all_zero (v);
+#elif defined(CLIB_HAVE_VEC128) && defined(CLIB_HAVE_VEC128_UNALIGNED_LOAD_STORE)
+  u64x2 v = { a[4] ^ b[4], 0 };
+  v |= u64x2_load_unaligned (a) ^ u64x2_load_unaligned (b);
+  v |= u64x2_load_unaligned (a + 2) ^ u64x2_load_unaligned (b + 2);
+  return u64x2_is_all_zero (v);
+#else
   return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2]) | (a[3] ^ b[3])
          | (a[4] ^ b[4])) == 0;
+#endif
 }
 
 #undef __included_bihash_template_h__