[FFmpeg-devel] [PATCH] pixblockdsp: disable altivec optimizations on ppc64be

Andreas Cadhalpun andreas.cadhalpun at googlemail.com
Tue Nov 1 01:27:00 EET 2016


The checkasm test fails, see trac ticket 5508.

Also, the following tests fail due to this:
fate-vsynth1-dnxhd-2k-hr-hq fate-vsynth1-dnxhd-edge1-hr
fate-vsynth1-dnxhd-edge2-hr fate-vsynth1-dnxhd-edge3-hr
fate-vsynth1-dnxhd-hr-sq-mov fate-vsynth1-dnxhd-hr-hq-mov
fate-vsynth2-dnxhd-2k-hr-hq fate-vsynth2-dnxhd-edge1-hr
fate-vsynth2-dnxhd-edge2-hr fate-vsynth2-dnxhd-edge3-hr
fate-vsynth2-dnxhd-hr-sq-mov fate-vsynth2-dnxhd-hr-hq-mov
fate-vsynth3-dnxhd-2k-hr-hq fate-vsynth3-dnxhd-edge1-hr
fate-vsynth3-dnxhd-edge2-hr fate-vsynth3-dnxhd-edge3-hr
fate-vsynth3-dnxhd-hr-sq-mov fate-vsynth3-dnxhd-hr-hq-mov

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
---

Just disabling the checkasm_check_pixblockdsp test for ppc64be,
as was done in commit e5d434 for release/3.1, does not make much sense,
as the altivec functions actually don't work...

---
 libavcodec/ppc/pixblockdsp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/ppc/pixblockdsp.c b/libavcodec/ppc/pixblockdsp.c
index 84aa562..7822eb0 100644
--- a/libavcodec/ppc/pixblockdsp.c
+++ b/libavcodec/ppc/pixblockdsp.c
@@ -266,7 +266,7 @@ av_cold void ff_pixblockdsp_init_ppc(PixblockDSPContext *c,
                                      AVCodecContext *avctx,
                                      unsigned high_bit_depth)
 {
-#if HAVE_ALTIVEC
+#if HAVE_ALTIVEC && !(ARCH_PPC64 && HAVE_BIGENDIAN)
     if (!PPC_ALTIVEC(av_get_cpu_flags()))
         return;
 
-- 
2.10.1


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