mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
7168adedbc
Cortex A53 A72 A73 get_pixels_c: 140.7 87.7 72.5 get_pixels_neon: 46.0 20.0 19.5 get_pixels_unaligned_c: 140.7 87.7 73.0 get_pixels_unaligned_neon: 49.2 20.2 26.2 diff_pixels_c: 209.7 133.7 138.7 diff_pixels_neon: 54.2 31.7 23.5 diff_pixels_unaligned_c: 209.7 134.2 139.0 diff_pixels_unaligned_neon: 68.0 27.7 41.7 Signed-off-by: Martin Storsjö <martin@martin.st>
52 lines
1.6 KiB
ArmAsm
52 lines
1.6 KiB
ArmAsm
/*
|
|
* Copyright (c) 2020 Martin Storsjo
|
|
*
|
|
* 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_get_pixels_neon, export=1
|
|
mov w3, #8
|
|
1:
|
|
ld1 {v0.8b}, [x1], x2
|
|
subs w3, w3, #2
|
|
ld1 {v1.8b}, [x1], x2
|
|
uxtl v0.8h, v0.8b
|
|
uxtl v1.8h, v1.8b
|
|
st1 {v0.8h, v1.8h}, [x0], #32
|
|
b.gt 1b
|
|
|
|
ret
|
|
endfunc
|
|
|
|
function ff_diff_pixels_neon, export=1
|
|
mov w4, #8
|
|
1:
|
|
ld1 {v0.8b}, [x1], x3
|
|
ld1 {v1.8b}, [x2], x3
|
|
subs w4, w4, #2
|
|
ld1 {v2.8b}, [x1], x3
|
|
usubl v0.8h, v0.8b, v1.8b
|
|
ld1 {v3.8b}, [x2], x3
|
|
usubl v1.8h, v2.8b, v3.8b
|
|
st1 {v0.8h, v1.8h}, [x0], #32
|
|
b.gt 1b
|
|
|
|
ret
|
|
endfunc
|