Re: [Buildroot] [PATCH 1/1] package/bayer2rgb-neon: fix aarch64 build with BR2_OPTIMIZE_0

From: Thomas Petazzoni via buildroot <buildroot@buildroot.org>
To: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Cc: Eloi Bail <eloi.bail@savoirfairelinux.com>, buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH 1/1] package/bayer2rgb-neon: fix aarch64 build with BR2_OPTIMIZE_0
Date: Wed, 7 Feb 2024 17:24:18 +0100	[thread overview]
Message-ID: <20240207172418.45613b76@windsurf> (raw)
In-Reply-To: <20240106224233.3637602-1-fontaine.fabrice@gmail.com>

On Sat,  6 Jan 2024 23:42:33 +0100
Fabrice Fontaine <fontaine.fabrice@gmail.com> wrote:

> Fix the following build failure with aarch64 and BR2_OPTIMIZE_0 raised
> since commit 0512910e4901edcb78bb1daa4eb3be9bdc4dc8a9:
> 
> src/convert-neon-body-bayer8.inc.h: In function 'bayer2rgb_convert_neon':
> src/convert-neon.c:233:17: error: third argument to '__builtin_prefetch' must be a constant
>   233 |                 __builtin_prefetch(((void const *)(_addr)) + 64, 0, (_lvl)); \
>       |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> src/convert-neon-body-bayer8.inc.h:8:9: note: in expansion of macro 'do_prefetch'
>     8 |         do_prefetch(&in[+1*stride - 1], (rows_per_loop) < 3 ? 3 : 0);
>       |         ^~~~~~~~~~~
> 
> Fixes:
>  - http://autobuild.buildroot.org/results/307c1c448becd99dfba3a17b3ef816db0bb5cad6
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> ---
>  package/bayer2rgb-neon/bayer2rgb-neon.mk | 4 ++++
>  1 file changed, 4 insertions(+)

Applied to master, thanks.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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