[FFmpeg-cvslog] arm64: fix inverted register order in transpose_4x4H
Janne Grunau
git at videolan.org
Sat Jan 2 11:22:41 CET 2016
ffmpeg | branch: master | Janne Grunau <janne-libav at jannau.net> | Fri Dec 18 11:23:22 2015 +0100| [cc29d96d5a379dbcf2649947d884c202c2a52767] | committer: Janne Grunau
arm64: fix inverted register order in transpose_4x4H
Fix related register order issue in ff_h264_idct_add_neon.
Found-by: zjh8890 <243186085 at qq.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cc29d96d5a379dbcf2649947d884c202c2a52767
---
libavcodec/aarch64/h264idct_neon.S | 4 ++--
libavcodec/aarch64/neon.S | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/libavcodec/aarch64/h264idct_neon.S b/libavcodec/aarch64/h264idct_neon.S
index 99c2cb5..78f780a 100644
--- a/libavcodec/aarch64/h264idct_neon.S
+++ b/libavcodec/aarch64/h264idct_neon.S
@@ -37,8 +37,8 @@ function ff_h264_idct_add_neon, export=1
sub v7.4H, v16.4H, v3.4H
add v0.4H, v4.4H, v6.4H
add v1.4H, v5.4H, v7.4H
- sub v2.4H, v4.4H, v6.4H
- sub v3.4H, v5.4H, v7.4H
+ sub v3.4H, v4.4H, v6.4H
+ sub v2.4H, v5.4H, v7.4H
transpose_4x4H v0, v1, v2, v3, v4, v5, v6, v7
diff --git a/libavcodec/aarch64/neon.S b/libavcodec/aarch64/neon.S
index f1072b7..767bc9d 100644
--- a/libavcodec/aarch64/neon.S
+++ b/libavcodec/aarch64/neon.S
@@ -107,8 +107,8 @@
.macro transpose_4x4H r0, r1, r2, r3, r4, r5, r6, r7
trn1 \r4\().4H, \r0\().4H, \r1\().4H
trn2 \r5\().4H, \r0\().4H, \r1\().4H
- trn1 \r7\().4H, \r3\().4H, \r2\().4H
- trn2 \r6\().4H, \r3\().4H, \r2\().4H
+ trn1 \r7\().4H, \r2\().4H, \r3\().4H
+ trn2 \r6\().4H, \r2\().4H, \r3\().4H
trn1 \r0\().2S, \r4\().2S, \r7\().2S
trn2 \r3\().2S, \r4\().2S, \r7\().2S
trn1 \r1\().2S, \r5\().2S, \r6\().2S
More information about the ffmpeg-cvslog
mailing list