Fix test failure on aarch64:
./tests/checkasm/checkasm --test=h264pred 367840
Signed-off-by: Peng Bin <peng...@visionular.com>
---
libavcodec/aarch64/h264pred_neon.S | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/libavcodec/aarch64/h264pred_neon.S
b/libavcodec/aarch64/h264pred_neon.S
index ea37689f34..bc185683e4 100644
--- a/libavcodec/aarch64/h264pred_neon.S
+++ b/libavcodec/aarch64/h264pred_neon.S
@@ -502,28 +502,27 @@ function ff_pred16x16_plane_neon_10, export=1
add v7.4h, v7.4h, v0.4h
shl v2.4h, v7.4h, #4
ssubl v2.4s, v2.4h, v3.4h
- shl v3.4h, v4.4h, #4
ext v0.16b, v0.16b, v0.16b, #14
- ssubl v6.4s, v5.4h, v3.4h
+ sshll v6.4s, v5.4h, #0 /** c */
mov v0.h[0], wzr
mul v0.8h, v0.8h, v4.h[0]
dup v16.4s, v2.s[0]
dup v17.4s, v2.s[0]
- dup v2.8h, v4.h[0]
- dup v3.4s, v6.s[0]
- shl v2.8h, v2.8h, #3
+ dup v2.8h, v4.h[0] /** b */
+ dup v3.4s, v6.s[0] /** c */
+ sshll v2.4s, v2.4h, #3 /** b * 8 */
saddw v16.4s, v16.4s, v0.4h
saddw2 v17.4s, v17.4s, v0.8h
- saddw v3.4s, v3.4s, v2.4h
+ sub v3.4s, v3.4s, v2.4s
mov w3, #16
mvni v4.8h, #0xFC, lsl #8 // 1023 for clipping
1:
sqshrun v0.4h, v16.4s, #5
sqshrun2 v0.8h, v17.4s, #5
- saddw v16.4s, v16.4s, v2.4h
- saddw v17.4s, v17.4s, v2.4h
+ add v16.4s, v16.4s, v2.4s
+ add v17.4s, v17.4s, v2.4s
sqshrun v1.4h, v16.4s, #5
sqshrun2 v1.8h, v17.4s, #5
add v16.4s, v16.4s, v3.4s
--
2.25.1
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