mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 19:30:05 +00:00
40f3a87c10
* commit '054013a0fc6f2b52c60cee3e051be8cc7f82cef3': dsputil: Move APE-specific bits into apedsp Conflicts: libavcodec/arm/int_neon.S libavcodec/x86/dsputil.asm Merged-by: Michael Niedermayer <michaelni@gmx.at>
52 lines
1.8 KiB
ArmAsm
52 lines
1.8 KiB
ArmAsm
/*
|
|
* ARM NEON optimised integer operations
|
|
* Copyright (c) 2009 Konstantin Shishkov
|
|
*
|
|
* 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/arm/asm.S"
|
|
|
|
function ff_scalarproduct_int16_neon, export=1
|
|
vmov.i16 q0, #0
|
|
vmov.i16 q1, #0
|
|
vmov.i16 q2, #0
|
|
vmov.i16 q3, #0
|
|
1: vld1.16 {d16-d17}, [r0]!
|
|
vld1.16 {d20-d21}, [r1,:128]!
|
|
vmlal.s16 q0, d16, d20
|
|
vld1.16 {d18-d19}, [r0]!
|
|
vmlal.s16 q1, d17, d21
|
|
vld1.16 {d22-d23}, [r1,:128]!
|
|
vmlal.s16 q2, d18, d22
|
|
vmlal.s16 q3, d19, d23
|
|
subs r2, r2, #16
|
|
bgt 1b
|
|
|
|
vpadd.s32 d16, d0, d1
|
|
vpadd.s32 d17, d2, d3
|
|
vpadd.s32 d18, d4, d5
|
|
vpadd.s32 d19, d6, d7
|
|
vpadd.s32 d0, d16, d17
|
|
vpadd.s32 d1, d18, d19
|
|
vpadd.s32 d2, d0, d1
|
|
vpaddl.s32 d3, d2
|
|
vmov.32 r0, d3[0]
|
|
bx lr
|
|
endfunc
|
|
|