ffmpeg | branch: master | Martin Storsjö <mar...@martin.st> | Tue Jan 10 22:08:50 2017 +0200| [b0806088d3b27044145b20421da8d39089ae0c6a] | committer: Martin Storsjö
aarch64: vp9lpf: Interleave the start of flat8in into the calculation above This adds lots of extra .ifs, but speeds it up by a couple cycles, by avoiding stalls. Signed-off-by: Martin Storsjö <mar...@martin.st> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b0806088d3b27044145b20421da8d39089ae0c6a --- libavcodec/aarch64/vp9lpf_neon.S | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/libavcodec/aarch64/vp9lpf_neon.S b/libavcodec/aarch64/vp9lpf_neon.S index 3b8e6ebc99..2b8a478383 100644 --- a/libavcodec/aarch64/vp9lpf_neon.S +++ b/libavcodec/aarch64/vp9lpf_neon.S @@ -338,20 +338,28 @@ uxtl_sz v0.8h, v1.8h, v22, \sz // p1 uxtl_sz v2.8h, v3.8h, v25, \sz // q1 +.if \wd >= 8 + mov x5, v6.d[0] +.ifc \sz, .16b + mov x6, v6.d[1] +.endif +.endif saddw_sz v0.8h, v1.8h, v0.8h, v1.8h, \tmp3, \sz // p1 + f ssubw_sz v2.8h, v3.8h, v2.8h, v3.8h, \tmp3, \sz // q1 - f sqxtun_sz v0, v0.8h, v1.8h, \sz // out p1 sqxtun_sz v2, v2.8h, v3.8h, \sz // out q1 +.if \wd >= 8 +.ifc \sz, .16b + adds x5, x5, x6 +.endif +.endif bit v22\sz, v0\sz, v5\sz // if (!hev && fm && !flat8in) bit v25\sz, v2\sz, v5\sz // If no pixels need flat8in, jump to flat8out // (or to a writeout of the inner 4 pixels, for wd=8) .if \wd >= 8 - mov x5, v6.d[0] .ifc \sz, .16b - mov x6, v6.d[1] - adds x5, x5, x6 b.eq 6f .else cbz x5, 6f _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
