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From: Yongseok Koh <yskoh@mellanox.com>
To: jerin.jacob@caviumnetworks.com,
jianbo.liu@arm.com
Cc: dev@dpdk.org,
Yongseok Koh <yskoh@mellanox.com>,
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Date: Tue, 30 Jan 2018 16:07:08 -0800
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Subject: [dpdk-dev] [PATCH] eal/arm64: fix instrinsic for ARM64 NEON with
GCC < 4.9
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vceqzq_u32() is being used by mlx5 PMD but added since gcc 4.9.
Fixes: 570acdb1da8a ("net/mlx5: add vectorized Rx/Tx burst for ARM")
Cc: stable@dpdk.org
Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
---
lib/librte_eal/common/include/arch/arm/rte_vect.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/lib/librte_eal/common/include/arch/arm/rte_vect.h b/lib/librte_eal/common/include/arch/arm/rte_vect.h
index 5cc34190f..2a18a6854 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_vect.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_vect.h
@@ -78,6 +78,12 @@ vcopyq_laneq_u32(uint32x4_t a, const int lane_a,
typedef uint64_t poly64_t;
typedef uint64x2_t poly64x2_t;
typedef uint8_t poly128_t __attribute__((vector_size(16), aligned(16)));
+
+static inline uint32x4_t
+vceqzq_u32(uint32x4_t a)
+{
+ return (a == 0);
+}
#endif
/* NEON intrinsic vreinterpretq_u64_p128() is supported since GCC version 7 */
--
2.11.0