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From: Ruifeng Wang <ruifeng.wang@arm.com>
To: wenzhuo.lu@intel.com, konstantin.ananyev@intel.com, jerinj@marvell.com,
viktorin@rehivetech.com
Cc: dev@dpdk.org, gavin.hu@arm.com, honnappa.nagarahalli@arm.com,
juraj.linkes@pantheon.tech, nd@arm.com,
Ruifeng Wang <ruifeng.wang@arm.com>, stable@dpdk.org
Date: Fri, 24 Apr 2020 14:50:51 +0800
Message-Id: <20200424065053.119885-2-ruifeng.wang@arm.com>
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References: <20200424065053.119885-1-ruifeng.wang@arm.com>
Subject: [dpdk-dev] [PATCH 1/3] arch/arm: add vcopyq intrinsic for aarch32
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vcopyq_laneq_u32 should be implemented for aarch32 which doesn't have
the intrinsic.
Fixes: 3c4b4024c225 ("arch/arm: add vcopyq_laneq_u32 for old gcc")
Cc: stable@dpdk.org
Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
Reviewed-by: Gavin Hu <gavin.hu@arm.com>
---
lib/librte_eal/arm/include/rte_vect.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/lib/librte_eal/arm/include/rte_vect.h b/lib/librte_eal/arm/include/rte_vect.h
index 9287a1117..d7c8aa61e 100644
--- a/lib/librte_eal/arm/include/rte_vect.h
+++ b/lib/librte_eal/arm/include/rte_vect.h
@@ -62,7 +62,11 @@ vaddvq_u16(uint16x8_t a)
#endif
-#if RTE_CC_IS_GNU && (GCC_VERSION < 70000)
+#if defined(RTE_ARCH_ARM) || \
+(defined(RTE_ARCH_ARM64) && RTE_CC_IS_GNU && (GCC_VERSION < 70000))
+/* NEON intrinsic vcopyq_laneq_u32() is not supported in ARMv7-A(AArch32)
+ * On AArch64, this intrinsic is supported since GCC versioin 7.
+ */
static inline uint32x4_t
vcopyq_laneq_u32(uint32x4_t a, const int lane_a,
uint32x4_t b, const int lane_b)
--
2.17.1