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hash: use intrinsic

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Signed-off-by: Intel
This commit is contained in:
Intel 2012-12-20 00:00:00 +01:00 committed by Thomas Monjalon
parent 18d5e8d78c
commit a132a9cf2b
1 changed files with 2 additions and 4 deletions
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6
lib/librte_hash/rte_hash_crc.h
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@ -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);
}
/**