eal/arm: add vcopyq intrinsic for aarch32

vcopyq_laneq_u32 should be implemented for aarch32 which doesn't have
the intrinsic.
This fixes build of examples/l3fwd for armv7.

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: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/lib/librte_eal/arm/include/rte_vect.h b/lib/librte_eal/arm/include/rte_vect.h
index 9287a11..01c5171 100644 (file)
--- 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 version 7.
+ */
 static inline uint32x4_t
 vcopyq_laneq_u32(uint32x4_t a, const int lane_a,
                 uint32x4_t b, const int lane_b)