2 * MMI optimized DSP utils
3 * Copyright (c) 2000, 2001 Fabrice Bellard.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 * MMI optimization by Leon van Stuivenberg <leonvs@iae.nl>
22 #include "../dsputil.h"
26 static void clear_blocks_mmi(DCTELEM * blocks)
29 for (i = 0; i < 6; i++) {
38 "sq $0, 112(%0) \n\t" :: "r" (blocks) : "memory" );
44 static void get_pixels_mmi(DCTELEM *block, const UINT8 *pixels, int line_size)
53 "pextlb $8, $0, $8 \n\t"
56 :: "r" (block), "r" (pixels), "r" (line_size) : "$8", "memory" );
62 static void put_pixels8_mmi(uint8_t *block, const uint8_t *pixels, int line_size, int h)
75 :: "r" (block), "r" (pixels), "r" (line_size) : "$8", "memory" );
80 static void put_pixels16_mmi(uint8_t *block, const uint8_t *pixels, int line_size, int h)
83 for(i=0; i<(h>>2); i++) {
88 "ldr $8, 0(%1) \n\t" \
89 "ldl $8, 7(%1) \n\t" \
90 "ldr $9, 8(%1) \n\t" \
91 "ldl $9, 15(%1) \n\t" \
92 "add %1, %1, %2 \n\t" \
93 "pcpyld $8, $9, $8 \n\t" \
101 :: "r" (block), "r" (pixels), "r" (line_size) : "$8", "$9", "memory" );
106 void dsputil_init_mmi(DSPContext* c, unsigned mask)
108 c->clear_blocks = clear_blocks_mmi;
110 c->put_pixels_tab[1][0] = put_pixels8_mmi;
111 c->put_no_rnd_pixels_tab[1][0] = put_pixels8_mmi;
113 c->put_pixels_tab[0][0] = put_pixels16_mmi;
114 c->put_no_rnd_pixels_tab[0][0] = put_pixels16_mmi;
116 c->get_pixels = get_pixels_mmi;