* [dpdk-dev] [PATCH] eal/arm64: fix instrinsic for ARM64 NEON with GCC < 4.9
@ 2018-01-31 0:07 Yongseok Koh
2018-01-31 5:42 ` Jerin Jacob
0 siblings, 1 reply; 3+ messages in thread
From: Yongseok Koh @ 2018-01-31 0:07 UTC (permalink / raw)
To: jerin.jacob, jianbo.liu; +Cc: dev, Yongseok Koh, stable
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
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] [PATCH] eal/arm64: fix instrinsic for ARM64 NEON with GCC < 4.9
2018-01-31 0:07 [dpdk-dev] [PATCH] eal/arm64: fix instrinsic for ARM64 NEON with GCC < 4.9 Yongseok Koh
@ 2018-01-31 5:42 ` Jerin Jacob
2018-01-31 11:21 ` Thomas Monjalon
0 siblings, 1 reply; 3+ messages in thread
From: Jerin Jacob @ 2018-01-31 5:42 UTC (permalink / raw)
To: Yongseok Koh; +Cc: jianbo.liu, dev, stable
-----Original Message-----
> Date: Tue, 30 Jan 2018 16:07:08 -0800
> From: Yongseok Koh <yskoh@mellanox.com>
> To: jerin.jacob@caviumnetworks.com, jianbo.liu@arm.com
> CC: dev@dpdk.org, Yongseok Koh <yskoh@mellanox.com>, stable@dpdk.org
> Subject: [PATCH] eal/arm64: fix instrinsic for ARM64 NEON with GCC < 4.9
> X-Mailer: git-send-email 2.11.0
>
> 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>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.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
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] [PATCH] eal/arm64: fix instrinsic for ARM64 NEON with GCC < 4.9
2018-01-31 5:42 ` Jerin Jacob
@ 2018-01-31 11:21 ` Thomas Monjalon
0 siblings, 0 replies; 3+ messages in thread
From: Thomas Monjalon @ 2018-01-31 11:21 UTC (permalink / raw)
To: Yongseok Koh; +Cc: dev, Jerin Jacob, jianbo.liu, stable
> > 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>
>
> Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Applied, thanks
^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-01-31 5:42 ` Jerin Jacob
2018-01-31 11:21 ` Thomas Monjalon
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