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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: viktorin@rehivetech.com
Cc: Jerin Jacob <jerin.jacob@caviumnetworks.com>,
	Tomasz Kulasek <tomaszx.kulasek@intel.com>,
	dev@dpdk.org, jianbo.liu@linaro.org
Subject: Re: [dpdk-dev] [PATCH] arm: detect NEON by RTE_MACHINE_CPUFLAG_NEON flag only
Date: Fri, 18 Mar 2016 14:49:57 +0100	[thread overview]
Message-ID: <18259292.OJteoyVp0E@xps13> (raw)
In-Reply-To: <20160318130019.4715e5d5@pcviktorin.fit.vutbr.cz>

2016-03-18 13:00, Jan Viktorin:
> The RTE_MACHINE_CPUFLAG_NEON was only a result of the gcc testing.
> However, the target CPU may not support NEON or the user can disable to
> use it (as it does not always improve the performance).
> 
> The RTE_MACHINE_CPUFLAG_NEON detection is now based on both, the
> __ARM_NEON_FP feature from gcc and CONFIG_RTE_ARCH_ARM_NEON from
> the .config. The memcpy implemention is driven by
> RTE_MACHINE_CPUFLAG_NEON, so the reason to disable neon is hidden for
> the actual code.
> 
> Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
> ---
> 
> I can also include this one:
> 
> examples/l3fwd/l3fwd_em.c:253:#elif defined(__ARM_NEON)

Yes please.
I will set my patch as superseded.

  reply	other threads:[~2016-03-18 13:51 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-18 12:00 Jan Viktorin
2016-03-18 13:49 ` Thomas Monjalon [this message]
2016-03-18 14:11   ` Jan Viktorin

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