Module: libav Branch: master Commit: e18c39005ad1dbb178b336f691da1de91afd434e
Author: Martin Storsjö <[email protected]> Committer: Martin Storsjö <[email protected]> Date: Tue Jan 10 16:49:13 2017 +0200 arm: 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 <[email protected]> --- libavcodec/arm/vp9lpf_neon.S | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/libavcodec/arm/vp9lpf_neon.S b/libavcodec/arm/vp9lpf_neon.S index c2f1c95..1e161e0 100644 --- a/libavcodec/arm/vp9lpf_neon.S +++ b/libavcodec/arm/vp9lpf_neon.S @@ -182,16 +182,20 @@ vmovl.u8 q0, d22 @ p1 vmovl.u8 q1, d25 @ q1 +.if \wd >= 8 + vmov r2, r3, d6 +.endif vaddw.s8 q0, q0, \tmp3 @ p1 + f vsubw.s8 q1, q1, \tmp3 @ q1 - f +.if \wd >= 8 + orrs r2, r2, r3 +.endif vqmovun.s16 d0, q0 @ out p1 vqmovun.s16 d2, q1 @ out q1 vbit d22, d0, d5 @ if (!hev && fm && !flat8in) vbit d25, d2, d5 .if \wd >= 8 - vmov r2, r3, d6 - orrs r2, r2, r3 @ If no pixels need flat8in, jump to flat8out @ (or to a writeout of the inner 4 pixels, for wd=8) beq 6f _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
