[FFmpeg-devel] patch: fix buf in configure to ensure theHAVE_VSX is only enabled when HAVE_ALTIVECT is enabled
rongyan236 at foxmail.com
Mon Oct 13 10:14:57 CEST 2014
HAVE_VSX is used to make PPC ALTIVEC code successfully running in LE.
Yes, we can add some comment to the configure.
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------------------ Original ------------------
From: "Reimar Döffinger";<Reimar.Doeffinger at gmx.de>;
Date: Mon, Oct 13, 2014 04:04 PM
To: "FFmpeg development discussions and patches"<ffmpeg-devel at ffmpeg.org>;
Subject: Re: [FFmpeg-devel] patch: fix buf in configure to ensure theHAVE_VSX is only enabled when HAVE_ALTIVECT is enabled
On 13.10.2014, at 09:04, "rongyan" <rongyan236 at foxmail.com> wrote:
> We present this patch to fix the bug in 'configure' file to make sure that the HAVE_VSX is only enabled when HAVE_ALTIVEC is enabled on POWER LE, and disabled when HAVE_ALTIVEC is disabled.
Sorry if my question makes no sense (I am fairly clueless about little-endian PPC), but why is it necessary to disable vsx if altivec is disabled?
It would be good to add that e.g. as a comment to configure (unless it's some obvious reason I missed).
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