diff options
Diffstat (limited to 'libswscale')
| -rw-r--r-- | libswscale/aarch64/hscale.S | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/libswscale/aarch64/hscale.S b/libswscale/aarch64/hscale.S index af55ffe2b7..da34f1cb8d 100644 --- a/libswscale/aarch64/hscale.S +++ b/libswscale/aarch64/hscale.S @@ -61,17 +61,9 @@ function ff_hscale_8_to_15_neon, export=1 smlal v3.4S, v18.4H, v19.4H // v3 accumulates srcp[filterPos[3] + {0..3}] * filter[{0..3}] smlal2 v3.4S, v18.8H, v19.8H // v3 accumulates srcp[filterPos[3] + {4..7}] * filter[{4..7}] b.gt 2b // inner loop if filterSize not consumed completely - addp v0.4S, v0.4S, v0.4S // part0 horizontal pair adding - addp v1.4S, v1.4S, v1.4S // part1 horizontal pair adding - addp v2.4S, v2.4S, v2.4S // part2 horizontal pair adding - addp v3.4S, v3.4S, v3.4S // part3 horizontal pair adding - addp v0.4S, v0.4S, v0.4S // part0 horizontal pair adding - addp v1.4S, v1.4S, v1.4S // part1 horizontal pair adding - addp v2.4S, v2.4S, v2.4S // part2 horizontal pair adding - addp v3.4S, v3.4S, v3.4S // part3 horizontal pair adding - zip1 v0.4S, v0.4S, v1.4S // part01 = zip values from part0 and part1 - zip1 v2.4S, v2.4S, v3.4S // part23 = zip values from part2 and part3 - mov v0.d[1], v2.d[0] // part0123 = zip values from part01 and part23 + addp v0.4S, v0.4S, v1.4S // part01 horizontal pair adding + addp v2.4S, v2.4S, v3.4S // part23 horizontal pair adding + addp v0.4S, v0.4S, v2.4S // part0123 horizontal pair adding subs w2, w2, #4 // dstW -= 4 sqshrn v0.4H, v0.4S, #7 // shift and clip the 2x16-bit final values st1 {v0.4H}, [x1], #8 // write to destination part0123 |