From c553139afa10ebb0cde109aa26d1f8d4ab83d17d Mon Sep 17 00:00:00 2001 From: Jerin Jacob Date: Fri, 7 Jul 2017 21:56:54 +0530 Subject: [PATCH] eal/armv7: emulate vaddvq u16 variant vaddvq_u16() is not available for armv7. Emulate the vaddvq_u16() using armv7 NEON intrinsics. Signed-off-by: Jerin Jacob Acked-by: Jianbo Liu --- lib/librte_eal/common/include/arch/arm/rte_vect.h | 11 +++++++++++ 1 file changed, 11 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 ea7be29fed..7fec25e534 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_vect.h +++ b/lib/librte_eal/common/include/arch/arm/rte_vect.h @@ -77,6 +77,17 @@ vqtbl1q_u8(uint8x16_t a, uint8x16_t b) return vld1q_u8(rte_ret.u8); } + +static inline uint16_t +vaddvq_u16(uint16x8_t a) +{ + uint32x4_t m = vpaddlq_u16(a); + uint64x2_t n = vpaddlq_u32(m); + uint64x1_t o = vget_low_u64(n) + vget_high_u64(n); + + return vget_lane_u32((uint32x2_t)o, 0); +} + #endif #if defined(RTE_TOOLCHAIN_GCC) && (GCC_VERSION < 70000) -- 2.20.1