[vlc-devel] [PATCH] contrib: Fix ARMv6 compilation

Adrien Tétar adrien.tetar at hotmail.fr
Thu Jun 14 12:40:49 CEST 2012

Requiring VFP is do-able since it was introduced with ARM11 MSM7227 (iirc) and it is present in most Android devices (not in those MSM7225 which are older architecture). It would avoid having too many different compilation flags too.

That said, you cannot reasonably require NEON since a lot of Cortex-A9 SoCs do not include it (e.g. Tegra 2 except a few batches), and it isn't needed. Users of armv6 builds have VLC working on their MSM7227 phones.

Adrien Tétar

> To: vlc-devel at videolan.org
> Date: Thu, 14 Jun 2012 06:29:34 +0200
> From: remi at remlab.net
> Subject: Re: [vlc-devel] [PATCH] contrib: Fix ARMv6 compilation
> On Wed, 13 Jun 2012 17:57:21 -0400, Edward Wang
> <edward.c.wang at compdigitec.com> wrote:
> > No, it does not support VFP. Yes, this is a consumer phone.
> I'd argue VLC should require VFP and recommend NEON or even require NEON
> altogether. There are a number of (audio) codecs that need half-way decent
> floating point performance. Software floating point simply will not do, and
> VFP hardly will.
> -- 
> Rémi Denis-Courmont
> Sent from my collocated server
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