From c967a8239d98830e0b889bf9a621581a38a71dd8 Mon Sep 17 00:00:00 2001
From: Damjan Marion <damarion@cisco.com>
Date: Fri, 28 Oct 2016 22:35:17 +0200
Subject: vppinfra: use 64-bit crc32 instruction in bihash_24_8

Change-Id: Ibeb6d35e15a8d332753df7c352c0b51c277a0ee5
Signed-off-by: Damjan Marion <damarion@cisco.com>
---
 vnet/vnet/map/map.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'vnet')

diff --git a/vnet/vnet/map/map.c b/vnet/vnet/map/map.c
index beeaf112..aeec6a94 100644
--- a/vnet/vnet/map/map.c
+++ b/vnet/vnet/map/map.c
@@ -22,7 +22,15 @@
 
 #include "map.h"
 
-#ifndef __SSE4_2__
+#ifdef __SSE4_2__
+static inline u32
+crc_u32 (u32 data, u32 value)
+{
+  __asm__ volatile ("crc32l %[data], %[value];":[value] "+r" (value):[data]
+		    "rm" (data));
+  return value;
+}
+#else
 #include <vppinfra/xxhash.h>
 
 static inline u32
-- 
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