[FFmpeg-devel] [PATCH] configure: enable vsx together with altivec for ppc64el

Michael Niedermayer michaelni at gmx.at
Sat Jan 10 05:00:45 CET 2015


On Fri, Jan 09, 2015 at 05:43:32PM +0100, Andreas Cadhalpun wrote:
> Hi,
> 
> attached patch should fix the test failures on ppc64el [1].
> 
> Since the altivec optimizations for ppc64el use vsx functions like
> vec_vsx_ld, it doesn't make sense to disable vsx if altivec is
> enabled on ppc64el.
> 
> I tried to test this on qemu/ppc64el, but the linker segfaulted...
> 
> Best regards,
> Andreas
> 
> 1: https://buildd.debian.org/status/fetch.php?pkg=ffmpeg&arch=ppc64el&ver=7%3A2.5.1-1&stamp=1418755783

>  configure |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 620e7bf50773894257f90e3a829b80fed525694b  0001-configure-enable-vsx-together-with-altivec-for-ppc64el.patch
> From 4765060cc6e81a75e3c57d101963631bef3eff13 Mon Sep 17 00:00:00 2001
> From: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
> Date: Fri, 9 Jan 2015 17:32:09 +0100
> Subject: [PATCH] configure: enable vsx together with altivec for ppc64el
> 
> The altivec optimizations on little endian ppc64 don't work without vsx.

applied

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If a bugfix only changes things apparently unrelated to the bug with no
further explanation, that is a good sign that the bugfix is wrong.
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