diff options
| author | Martin Storsjö <martin@martin.st> | 2017-01-10 22:08:50 +0200 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2017-02-11 22:54:18 +0200 |
| commit | b0806088d3b27044145b20421da8d39089ae0c6a (patch) | |
| tree | 6434a2467280bd4f6ba36dad320cde458d931f05 /libavcodec | |
| parent | e18c39005ad1dbb178b336f691da1de91afd434e (diff) | |
| download | ffmpeg-b0806088d3b27044145b20421da8d39089ae0c6a.tar.gz | |
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 <martin@martin.st>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/aarch64/vp9lpf_neon.S | 14 |
1 files 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 |