diff options
| author | Martin Storsjö <martin@martin.st> | 2019-01-10 00:27:00 +0300 |
|---|---|---|
| committer | Jean-Baptiste Kempf <jb@videolan.org> | 2019-01-24 19:28:05 +0300 |
| commit | 72af9329c0c003f68639301be33d4632147245b6 (patch) | |
| tree | dac4a456e162b57ea6207b75b61eba2aed5631ca /src/arm/64/mc.S | |
| parent | fc5a3728144c62b634bb6fb036a6da47ee9bdf8f (diff) | |
arm64: mc: Simplify the 8tap_2w_hv code slightly
Before: Cortex A53 Snapdragon 835
mc_8tap_regular_w2_hv_8bpc_neon: 415.0 286.9
After:
mc_8tap_regular_w2_hv_8bpc_neon: 399.1 269.9
Diffstat (limited to 'src/arm/64/mc.S')
| -rw-r--r-- | src/arm/64/mc.S | 41 |
1 files changed, 16 insertions, 25 deletions
diff --git a/src/arm/64/mc.S b/src/arm/64/mc.S index a09d218..7a544a5 100644 --- a/src/arm/64/mc.S +++ b/src/arm/64/mc.S @@ -1307,21 +1307,19 @@ L(\type\()_8tap_hv): ext v29.16b, v28.16b, v28.16b, #2 mul v28.4h, v28.4h, v0.4h mul v29.4h, v29.4h, v0.4h - addv h28, v28.4h - addv h29, v29.4h - trn1 v16.4h, v28.4h, v29.4h - srshr v16.4h, v16.4h, #2 + addp v28.4h, v28.4h, v29.4h + addp v16.4h, v28.4h, v28.4h + srshr v16.4h, v16.4h, #2 bl L(\type\()_8tap_filter_2) trn1 v16.2s, v16.2s, v28.2s - trn1 v17.2s, v28.2s, v30.2s - mov v18.8b, v30.8b + mov v17.8b, v28.8b 2: bl L(\type\()_8tap_filter_2) - trn1 v18.2s, v18.2s, v28.2s - trn1 v19.2s, v28.2s, v30.2s + ext v18.8b, v17.8b, v28.8b, #4 + mov v19.8b, v28.8b smull v2.4s, v16.4h, v1.h[0] smlal v2.4s, v17.4h, v1.h[1] smlal v2.4s, v18.4h, v1.h[2] @@ -1335,7 +1333,6 @@ L(\type\()_8tap_hv): b.le 0f mov v16.8b, v18.8b mov v17.8b, v19.8b - mov v18.8b, v30.8b b 2b 280: // 2x8, 2x16, 2x32 hv @@ -1355,28 +1352,24 @@ L(\type\()_8tap_hv): ext v29.16b, v28.16b, v28.16b, #2 mul v28.4h, v28.4h, v0.4h mul v29.4h, v29.4h, v0.4h - addv h28, v28.4h - addv h29, v29.4h - trn1 v16.4h, v28.4h, v29.4h - srshr v16.4h, v16.4h, #2 + addp v28.4h, v28.4h, v29.4h + addp v16.4h, v28.4h, v28.4h + srshr v16.4h, v16.4h, #2 bl L(\type\()_8tap_filter_2) trn1 v16.2s, v16.2s, v28.2s - trn1 v17.2s, v28.2s, v30.2s - mov v18.8b, v30.8b + mov v17.8b, v28.8b bl L(\type\()_8tap_filter_2) - trn1 v18.2s, v18.2s, v28.2s - trn1 v19.2s, v28.2s, v30.2s - mov v20.8b, v30.8b + ext v18.8b, v17.8b, v28.8b, #4 + mov v19.8b, v28.8b bl L(\type\()_8tap_filter_2) - trn1 v20.2s, v20.2s, v28.2s - trn1 v21.2s, v28.2s, v30.2s - mov v22.8b, v30.8b + ext v20.8b, v19.8b, v28.8b, #4 + mov v21.8b, v28.8b 28: bl L(\type\()_8tap_filter_2) - trn1 v22.2s, v22.2s, v28.2s - trn1 v23.2s, v28.2s, v30.2s + ext v22.8b, v21.8b, v28.8b, #4 + mov v23.8b, v28.8b smull v2.4s, v16.4h, v1.h[0] smlal v2.4s, v17.4h, v1.h[1] smlal v2.4s, v18.4h, v1.h[2] @@ -1398,7 +1391,6 @@ L(\type\()_8tap_hv): mov v19.8b, v21.8b mov v20.8b, v22.8b mov v21.8b, v23.8b - mov v22.8b, v30.8b b 28b 0: @@ -1420,7 +1412,6 @@ L(\type\()_8tap_filter_2): mla v27.4h, v30.4h, v0.h[2] mla v27.4h, v31.4h, v0.h[3] srshr v28.4h, v27.4h, #2 - trn2 v30.2s, v28.2s, v28.2s ret .endif |