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/*
* MMI optimized DSP utils
* Copyright (c) 2000, 2001 Fabrice Bellard.
*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* MMI optimization by Leon van Stuivenberg <leonvs@iae.nl>
*/
#include "../dsputil.h"
void ff_mmi_idct(DCTELEM * block);
#include "mmi.h"
static void clear_blocks_mmi(DCTELEM * blocks)
{
/* $4 = blocks */
int i;
for (i = 0; i < 6; i++) {
sq($0, 0, $4);
sq($0, 16, $4);
sq($0, 32, $4);
sq($0, 48, $4);
sq($0, 64, $4);
sq($0, 80, $4);
sq($0, 96, $4);
sq($0, 112, $4);
__asm__ __volatile__("addi $4, $4, 128");
}
}
static void put_pixels_clamped_mmi(const DCTELEM * block, UINT8 * pixels,
int line_size)
{
/* $4 = block, $5 = pixels, $6 = line_size */
__asm__ __volatile__("li $11, 255":::"$11");
lq($4, 0, $12);
pcpyld($11, $11, $11);
pcpyh($11, $11);
#define PUT(rs) \
ppacb($0, $##rs, $##rs); \
sd3(rs, 0, 5); \
__asm__ __volatile__ ("add $5, $5, $6");
pminh($12, $11, $12);
pmaxh($12, $0, $12);
lq($4, 16, $13);
PUT(12);
pminh($13, $11, $13);
pmaxh($13, $0, $13);
lq($4, 32, $12);
PUT(13);
pminh($12, $11, $12);
pmaxh($12, $0, $12);
lq($4, 48, $13);
PUT(12);
pminh($13, $11, $13);
pmaxh($13, $0, $13);
lq($4, 64, $12);
PUT(13);
pminh($12, $11, $12);
pmaxh($12, $0, $12);
lq($4, 80, $13);
PUT(12);
pminh($13, $11, $13);
pmaxh($13, $0, $13);
lq($4, 96, $12);
PUT(13);
pminh($12, $11, $12);
pmaxh($12, $0, $12);
lq($4, 112, $13);
PUT(12);
pminh($13, $11, $13);
pmaxh($13, $0, $13);
PUT(13);
}
/* todo
static void add_pixels_clamped_mmi(const DCTELEM * block, UINT8 * pixels,
int line_size)
{
}
*/
void dsputil_init_mmi(void)
{
put_pixels_clamped = put_pixels_clamped_mmi;
//add_pixels_clamped = add_pixels_clamped_mmi;
clear_blocks = clear_blocks_mmi;
ff_idct = ff_mmi_idct;
}
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