From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Qiu Subject: [PATCH 1/3] librte_hash: Fix unsupported instruction `crc32' in i686 platform Date: Thu, 5 Mar 2015 21:15:37 +0800 Message-ID: <1425561339-13300-2-git-send-email-michael.qiu@intel.com> References: <1425561339-13300-1-git-send-email-michael.qiu@intel.com> To: dev-VfR2kkLFssw@public.gmane.org Return-path: In-Reply-To: <1425561339-13300-1-git-send-email-michael.qiu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" CC rte_hash.o Error: unsupported instruction `crc32' The root cause is that i686 platform does not support 'crc32q' Need make it only available in x86_64 platform Signed-off-by: Michael Qiu --- lib/librte_hash/rte_hash_crc.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/librte_hash/rte_hash_crc.h b/lib/librte_hash/rte_hash_crc.h index d28bb2a..4e9546f 100644 --- a/lib/librte_hash/rte_hash_crc.h +++ b/lib/librte_hash/rte_hash_crc.h @@ -374,6 +374,7 @@ crc32c_sse42_u32(uint32_t data, uint32_t init_val) return init_val; } +#ifdef RTE_ARCH_X86_64 static inline uint32_t crc32c_sse42_u64(uint64_t data, uint64_t init_val) { @@ -383,6 +384,7 @@ crc32c_sse42_u64(uint64_t data, uint64_t init_val) : [data] "rm" (data)); return init_val; } +#endif static inline uint32_t crc32c_sse42_u64_mimic(uint64_t data, uint64_t init_val) @@ -476,8 +478,10 @@ rte_hash_crc_4byte(uint32_t data, uint32_t init_val) static inline uint32_t rte_hash_crc_8byte(uint64_t data, uint32_t init_val) { +#ifdef RTE_ARCH_X86_64 if (likely(crc32_alg == CRC32_SSE42_x64)) return crc32c_sse42_u64(data, init_val); +#endif if (likely(crc32_alg & CRC32_SSE42)) return crc32c_sse42_u64_mimic(data, init_val); -- 1.9.3