From: Martin Storsjö <mar...@martin.st>
Before: Cortex A53 A72 A73
pix_abs_1_2_neon: 73.7 31.0 25.7
After:
pix_abs_1_2_neon: 61.7 30.2 24.7
Signed-off-by: Martin Storsjö <mar...@martin.st>
---
libavcodec/aarch64/me_cmp_neon.S | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/libavcodec/aarch64/me_cmp_neon.S b/libavcodec/aarch64/me_cmp_neon.S
index 43e068bb7f..3662419edf 100644
--- a/libavcodec/aarch64/me_cmp_neon.S
+++ b/libavcodec/aarch64/me_cmp_neon.S
@@ -193,21 +193,20 @@ function ff_pix_abs8_y2_neon, export=1
1:
ld1 {v2.8b}, [x2], x3
ld1 {v0.8b}, [x1], x3
- ld1 {v6.8b}, [x1], x3
urhadd v30.8b, v1.8b, v2.8b
ld1 {v5.8b}, [x2], x3
- ld1 {v21.8b}, [x1], x3
+ ld1 {v6.8b}, [x1], x3
uabal v26.8h, v0.8b, v30.8b
urhadd v29.8b, v2.8b, v5.8b
ld1 {v20.8b}, [x2], x3
- ld1 {v24.8b}, [x1], x3
+ ld1 {v21.8b}, [x1], x3
uabal v26.8h, v6.8b, v29.8b
urhadd v28.8b, v5.8b, v20.8b
- uabal v26.8h, v21.8b, v28.8b
- ld1 {v23.8b}, [x2], x3
- mov v1.8b, v23.8b
+ ld1 {v1.8b}, [x2], x3
+ ld1 {v24.8b}, [x1], x3
+ urhadd v27.8b, v20.8b, v1.8b
sub w4, w4, #4
- urhadd v27.8b, v20.8b, v23.8b
+ uabal v26.8h, v21.8b, v28.8b
cmp w4, #4
uabal v26.8h, v24.8b, v27.8b
--
2.37.1
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