mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
190106e884
* commit 'd3789eeeed3423bd1ca9dc40030a2f7a21ea5332': aarch64: implement videodsp.prefetch Merged-by: Michael Niedermayer <michaelni@gmx.at>
29 lines
1.0 KiB
ArmAsm
29 lines
1.0 KiB
ArmAsm
/*
|
|
* 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
|