diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2014-04-07 02:50:46 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-04-07 02:51:05 +0200 |
| commit | 190106e884a28a661251e72ced6177ecc7774bda (patch) | |
| tree | 591cf544fc73afb3f2a08f57ffc944f9e9495430 /libavcodec/aarch64/videodsp.S | |
| parent | 4c57c6a7655fb3c1a7194c6f92a075c463d1b898 (diff) | |
| parent | d3789eeeed3423bd1ca9dc40030a2f7a21ea5332 (diff) | |
Merge commit 'd3789eeeed3423bd1ca9dc40030a2f7a21ea5332'
* commit 'd3789eeeed3423bd1ca9dc40030a2f7a21ea5332':
aarch64: implement videodsp.prefetch
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/aarch64/videodsp.S')
| -rw-r--r-- | libavcodec/aarch64/videodsp.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/libavcodec/aarch64/videodsp.S b/libavcodec/aarch64/videodsp.S new file mode 100644 index 0000000000..24067cc2af --- /dev/null +++ b/libavcodec/aarch64/videodsp.S @@ -0,0 +1,28 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/aarch64/asm.S" + +function ff_prefetch_aarch64, export=1 + subs w2, w2, #2 + prfm pldl1strm, [x0] + prfm pldl1strm, [x0, x1] + add x0, x0, x1, lsl #1 + b.gt X(ff_prefetch_aarch64) + ret +endfunc |