2 * Copyright (c) 2006 Michael Benjamin
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "../avcodec.h"
22 #include "../dsputil.h"
24 static int sad8x8_bfin( void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h )
27 __asm__ __volatile__ (
37 "LSETUP (sad8x8LoopBegin, sad8x8LoopEnd) LC0=P3;\n"
39 " DISALGNEXCPT || R0 = [I0] || R2 = [I1];\n"
40 " DISALGNEXCPT || R1 = [I0++] || R3 = [I1++];\n"
42 " SAA ( R1:0 , R3:2 );\n"
43 "R3 = A1.L + A1.H, R2 = A0.L + A0.H;\n"
46 : "m"(blk1), "m"(blk2), "m"(h)
47 : "P0","P1","P2","I0","I1","A0","A1","R0","R1","R2","R3");
51 void dsputil_init_bfin( DSPContext* c, AVCodecContext *avctx )
53 c->pix_abs[1][0] = sad8x8_bfin;
54 c->sad[1] = sad8x8_bfin;