From: Intel <intel.com>
Date: Wed, 19 Dec 2012 23:00:00 +0000 (+0100)
Subject: hash: use intrinsic
X-Git-Tag: spdx-start~11392
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=a132a9cf2bcd440a974b9d3f5c44ba30b2c895a1;p=dpdk.git

hash: use intrinsic

Signed-off-by: Intel
---

diff --git a/lib/librte_hash/rte_hash_crc.h b/lib/librte_hash/rte_hash_crc.h
index e2c788fb65..cf5dbd3b9d 100644
--- a/lib/librte_hash/rte_hash_crc.h
+++ b/lib/librte_hash/rte_hash_crc.h
@@ -46,6 +46,7 @@ extern "C" {
 #endif
 
 #include <stdint.h>
+#include <nmmintrin.h>
 
 /**
  * Use single crc32 instruction to perform a hash on a 4 byte value.
@@ -60,10 +61,7 @@ extern "C" {
 static inline uint32_t
 rte_hash_crc_4byte(uint32_t data, uint32_t init_val)
 {
-	asm volatile("crc32 %[data], %[init_val]"
-	             : [init_val]"=r" (init_val)
-	             : [data]"r" (data), "[init_val]" (init_val));
-	return init_val;
+	return _mm_crc32_u32(data, init_val);
 }
 
 /**