[dpdk-dev] [PATCH v5 02/11] hash: check SSE flags only on x86 builds

Zhigang Lu zlu at ezchip.com
Thu Jul 9 10:25:11 CEST 2015


From: Cyril Chemparathy <cchemparathy at ezchip.com>

This is necessary because the required CPU flags may not be defined on
other architectures.

Signed-off-by: Cyril Chemparathy <cchemparathy at ezchip.com>
Signed-off-by: Zhigang Lu <zlu at ezchip.com>
Acked-by: Bruce Richardson <bruce.richardson at intel.com>
---
 lib/librte_hash/rte_hash_crc.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/librte_hash/rte_hash_crc.h b/lib/librte_hash/rte_hash_crc.h
index abdbd9a..1f6f5bf 100644
--- a/lib/librte_hash/rte_hash_crc.h
+++ b/lib/librte_hash/rte_hash_crc.h
@@ -425,12 +425,14 @@ static inline void
 rte_hash_crc_set_alg(uint8_t alg)
 {
 	switch (alg) {
+#if defined(RTE_ARCH_I686) || defined(RTE_ARCH_X86_64)
 	case CRC32_SSE42_x64:
 		if (! rte_cpu_get_flag_enabled(RTE_CPUFLAG_EM64T))
 			alg = CRC32_SSE42;
 	case CRC32_SSE42:
 		if (! rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_2))
 			alg = CRC32_SW;
+#endif
 	case CRC32_SW:
 		crc32_alg = alg;
 	default:
-- 
2.1.2



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