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-rw-r--r--media/ffvpx/libavcodec/aarch64/videodsp.S29
1 files changed, 29 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/aarch64/videodsp.S b/media/ffvpx/libavcodec/aarch64/videodsp.S
new file mode 100644
index 0000000000..fe2da0658e
--- /dev/null
+++ b/media/ffvpx/libavcodec/aarch64/videodsp.S
@@ -0,0 +1,29 @@
+/*
+ * 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
+1:
+ subs w2, w2, #2
+ prfm pldl1strm, [x0]
+ prfm pldl1strm, [x0, x1]
+ add x0, x0, x1, lsl #1
+ b.gt 1b
+ ret
+endfunc