diff options
Diffstat (limited to 'chromium/third_party/ffmpeg/libavcodec/aarch64/videodsp.S')
| -rw-r--r-- | chromium/third_party/ffmpeg/libavcodec/aarch64/videodsp.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/chromium/third_party/ffmpeg/libavcodec/aarch64/videodsp.S b/chromium/third_party/ffmpeg/libavcodec/aarch64/videodsp.S new file mode 100644 index 00000000000..24067cc2af5 --- /dev/null +++ b/chromium/third_party/ffmpeg/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 |