1cabdff1aSopenharmony_ci/*
2cabdff1aSopenharmony_ci * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
3cabdff1aSopenharmony_ci *
4cabdff1aSopenharmony_ci * This file is part of FFmpeg.
5cabdff1aSopenharmony_ci *
6cabdff1aSopenharmony_ci * FFmpeg is free software; you can redistribute it and/or
7cabdff1aSopenharmony_ci * modify it under the terms of the GNU Lesser General Public
8cabdff1aSopenharmony_ci * License as published by the Free Software Foundation; either
9cabdff1aSopenharmony_ci * version 2.1 of the License, or (at your option) any later version.
10cabdff1aSopenharmony_ci *
11cabdff1aSopenharmony_ci * FFmpeg is distributed in the hope that it will be useful,
12cabdff1aSopenharmony_ci * but WITHOUT ANY WARRANTY; without even the implied warranty of
13cabdff1aSopenharmony_ci * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14cabdff1aSopenharmony_ci * Lesser General Public License for more details.
15cabdff1aSopenharmony_ci *
16cabdff1aSopenharmony_ci * You should have received a copy of the GNU Lesser General Public
17cabdff1aSopenharmony_ci * License along with FFmpeg; if not, write to the Free Software
18cabdff1aSopenharmony_ci * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19cabdff1aSopenharmony_ci */
20cabdff1aSopenharmony_ci
21cabdff1aSopenharmony_ci#include "libavutil/arm/asm.S"
22cabdff1aSopenharmony_ci
23cabdff1aSopenharmony_cifunction ff_add_pixels_clamped_armv6, export=1
24cabdff1aSopenharmony_ci        push            {r4-r8,lr}
25cabdff1aSopenharmony_ci        mov             r3,  #8
26cabdff1aSopenharmony_ci1:
27cabdff1aSopenharmony_ci        ldm             r0!, {r4,r5,r12,lr}
28cabdff1aSopenharmony_ci        ldrd            r6,  r7,  [r1]
29cabdff1aSopenharmony_ci        pkhbt           r8,  r4,  r5,  lsl #16
30cabdff1aSopenharmony_ci        pkhtb           r5,  r5,  r4,  asr #16
31cabdff1aSopenharmony_ci        pkhbt           r4,  r12, lr,  lsl #16
32cabdff1aSopenharmony_ci        pkhtb           lr,  lr,  r12, asr #16
33cabdff1aSopenharmony_ci        pld             [r1, r2]
34cabdff1aSopenharmony_ci        uxtab16         r8,  r8,  r6
35cabdff1aSopenharmony_ci        uxtab16         r5,  r5,  r6,  ror #8
36cabdff1aSopenharmony_ci        uxtab16         r4,  r4,  r7
37cabdff1aSopenharmony_ci        uxtab16         lr,  lr,  r7,  ror #8
38cabdff1aSopenharmony_ci        usat16          r8,  #8,  r8
39cabdff1aSopenharmony_ci        usat16          r5,  #8,  r5
40cabdff1aSopenharmony_ci        usat16          r4,  #8,  r4
41cabdff1aSopenharmony_ci        usat16          lr,  #8,  lr
42cabdff1aSopenharmony_ci        orr             r6,  r8,  r5,  lsl #8
43cabdff1aSopenharmony_ci        orr             r7,  r4,  lr,  lsl #8
44cabdff1aSopenharmony_ci        subs            r3,  r3,  #1
45cabdff1aSopenharmony_ci        strd_post       r6,  r7,  r1,  r2
46cabdff1aSopenharmony_ci        bgt             1b
47cabdff1aSopenharmony_ci        pop             {r4-r8,pc}
48cabdff1aSopenharmony_ciendfunc
49