virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-21 10:55:51 +02:00
Code Issues Releases Activity

Merge commit '7e42d5f0ab2aeac811fd01e122627c9198b13f01'

Browse Source 
* commit '7e42d5f0ab2aeac811fd01e122627c9198b13f01':
  aarch64: vp8: Optimize vp8_idct_add_neon for aarch64

Merged-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2019-03-14 16:22:29 -03:00
commit 5c363d3e59
1 changed files with 25 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
libavcodec/aarch64/vp8dsp_neon.S
View File

@ -125,36 +125,37 @@ function ff_vp8_idct_add_neon, export=1
sub v17.4h, v0.4h, v2.4h
add v18.4h, v20.4h, v23.4h
ld1 {v24.d}[0], [x0], x2
zip1 v16.2d, v16.2d, v17.2d
sub v19.4h, v21.4h, v22.4h
ld1 {v25.d}[0], [x0], x2
zip1 v18.2d, v18.2d, v19.2d
add v0.8h, v16.8h, v18.8h
ld1 {v25.d}[1], [x0], x2
sub v1.8h, v16.8h, v18.8h
ld1 {v24.d}[1], [x0], x2
srshr v0.8h, v0.8h, #3
trn1 v24.4s, v24.4s, v25.4s
srshr v1.8h, v1.8h, #3
ld1 {v24.s}[0], [x0], x2
sub v19.4h, v21.4h, v22.4h
ld1 {v25.s}[0], [x0], x2
add v0.4h, v16.4h, v18.4h
add v1.4h, v17.4h, v19.4h
ld1 {v26.s}[0], [x0], x2
sub v3.4h, v16.4h, v18.4h
sub v2.4h, v17.4h, v19.4h
ld1 {v27.s}[0], [x0], x2
srshr v0.4h, v0.4h, #3
srshr v1.4h, v1.4h, #3
srshr v2.4h, v2.4h, #3
srshr v3.4h, v3.4h, #3
sub x0, x0, x2, lsl #2
ext v1.16b, v1.16b, v1.16b, #8
trn1 v3.2d, v0.2d, v1.2d
trn2 v0.2d, v0.2d, v1.2d
trn1 v1.8h, v3.8h, v0.8h
trn2 v3.8h, v3.8h, v0.8h
uzp1 v0.4s, v1.4s, v3.4s
uzp2 v1.4s, v3.4s, v1.4s
transpose_4x4H v0, v1, v2, v3, v5, v6, v7, v16
uaddw v0.8h, v0.8h, v24.8b
uaddw2 v1.8h, v1.8h, v24.16b
uaddw v1.8h, v1.8h, v25.8b
uaddw v2.8h, v2.8h, v26.8b
uaddw v3.8h, v3.8h, v27.8b
sqxtun v0.8b, v0.8h
sqxtun2 v0.16b, v1.8h
sqxtun v1.8b, v1.8h
sqxtun v2.8b, v2.8h
sqxtun v3.8b, v3.8h
st1 {v0.s}[0], [x0], x2
st1 {v0.s}[1], [x0], x2
st1 {v0.s}[3], [x0], x2
st1 {v0.s}[2], [x0], x2
st1 {v1.s}[0], [x0], x2
st1 {v2.s}[0], [x0], x2
st1 {v3.s}[0], [x0], x2
ret
endfunc