1 ;******************************************************************************
2 ;* SIMD-optimized clear block functions
3 ;* Copyright (c) 2002 Michael Niedermayer
4 ;* Copyright (c) 2008 Loren Merritt
5 ;* Copyright (c) 2009 Fiona Glaser
7 ;* AVX version by Jokyo Images
9 ;* This file is part of FFmpeg.
11 ;* FFmpeg is free software; you can redistribute it and/or
12 ;* modify it under the terms of the GNU Lesser General Public
13 ;* License as published by the Free Software Foundation; either
14 ;* version 2.1 of the License, or (at your option) any later version.
16 ;* FFmpeg is distributed in the hope that it will be useful,
17 ;* but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ;* Lesser General Public License for more details.
21 ;* You should have received a copy of the GNU Lesser General Public
22 ;* License along with FFmpeg; if not, write to the Free Software
23 ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 ;******************************************************************************
26 %include "libavutil/x86/x86util.asm"
30 ;----------------------------------------
31 ; void ff_clear_block(int16_t *blocks);
32 ;----------------------------------------
33 ; %1 = number of xmm registers used
34 ; %2 = number of inline store loops
36 cglobal clear_block, 1, 1, %1, blocks
40 mova [blocksq+mmsize*(0+%%i)], m0
41 mova [blocksq+mmsize*(1+%%i)], m0
42 mova [blocksq+mmsize*(2+%%i)], m0
43 mova [blocksq+mmsize*(3+%%i)], m0
58 ;-----------------------------------------
59 ; void ff_clear_blocks(int16_t *blocks);
60 ;-----------------------------------------
61 ; %1 = number of xmm registers used
63 cglobal clear_blocks, 1, 2, %1, blocks, len
68 mova [blocksq+lenq+mmsize*0], m0
69 mova [blocksq+lenq+mmsize*1], m0
70 mova [blocksq+lenq+mmsize*2], m0
71 mova [blocksq+lenq+mmsize*3], m0
72 mova [blocksq+lenq+mmsize*4], m0
73 mova [blocksq+lenq+mmsize*5], m0
74 mova [blocksq+lenq+mmsize*6], m0
75 mova [blocksq+lenq+mmsize*7], m0