/*
* Loongson SIMD optimized idctdsp
*
* Copyright (c) 2015 Loongson Technology Corporation Limited
* Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
*
* This file is part of FFmpeg.
*
* FFmpeg 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 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "idctdsp_mips.h"
#include "constants.h"
void ff_put_pixels_clamped_mmi(const int16_t *block,
uint8_t *av_restrict pixels, ptrdiff_t line_size)
{
const int16_t *p;
uint8_t *pix;
p = block;
pix = pixels;
__asm__ volatile (
"ldc1 $f0, 0+%3 \r\n"
"ldc1 $f2, 8+%3 \r\n"
"ldc1 $f4, 16+%3 \r\n"
"ldc1 $f6, 24+%3 \r\n"
"ldc1 $f8, 32+%3 \r\n"
"ldc1 $f10, 40+%3 \r\n"
"ldc1 $f12, 48+%3 \r\n"
"ldc1 $f14, 56+%3 \r\n"
"dadd $10, %0, %1 \r\n"
"packushb $f0, $f0, $f2 \r\n"
"packushb $f4, $f4, $f6 \r\n"
"packushb $f8, $f8, $f10 \r\n"
"packushb $f12, $f12, $f14 \r\n"
"sdc1 $f0, 0(%0) \r\n"
"sdc1 $f4, 0($10) \r\n"
"gssdxc1 $f8, 0($10, %1) \r\n"
"gssdxc1 $f12, 0(%0, %2) \r\n"
::"r"(pix),"r"((int)line_size),
"r"((int)line_size*3),"m"(*p)
: "$10","memory"
);
pix += line_size*4;
p += 32;
__asm__ volatile (
"ldc1 $f0, 0+%3 \r\n"
"ldc1 $f2, 8+%3 \r\n"
"ldc1 $f4, 16+%3 \r\n"
"ldc1 $f6, 24+%3 \r\n"
"ldc1 $f8, 32+%3 \r\n"
"ldc1 $f10, 40+%3 \r\n"
"ldc1 $f12, 48+%3 \r\n"
"ldc1 $f14, 56+%3 \r\n"
"dadd $10, %0, %1 \r\n"
"packushb $f0, $f0, $f2 \r\n"
"packushb $f4, $f4, $f6 \r\n"
"packushb $f8, $f8, $f10 \r\n"
"packushb $f12, $f12, $f14 \r\n"
"sdc1 $f0, 0(%0) \r\n"
"sdc1 $f4, 0($10) \r\n"
"gssdxc1 $f8, 0($10, %1) \r\n"
"gssdxc1 $f12, 0(%0, %2) \r\n"
::"r"(pix),"r"((int)line_size),
"r"((int)line_size*3),"m"(*p)
: "$10","memory"
);
}
void ff_put_signed_pixels_clamped_mmi(const int16_t *block,
uint8_t *av_restrict pixels, ptrdiff_t line_size)
{
int64_t line_skip = line_size;
int64_t line_skip3;
__asm__ volatile (
"dmtc1 %4, $f0 \n\t"
"daddu %1, %3, %3 \n\t"
"ldc1 $f2, 0(%2) \n\t"
"ldc1 $f10, 8(%2) \n\t"
"packsshb $f2, $f2, $f10 \n\t"
"ldc1 $f4, 16(%2) \n\t"
"ldc1 $f10, 24(%2) \n\t"
"packsshb $f4, $f4, $f10 \n\t"
"ldc1 $f6, 32(%2) \n\t"
"ldc1 $f10, 40(%2) \n\t"
"packsshb $f6, $f6, $f10 \n\t"
"ldc1 $f8, 48(%2) \n\t"
"ldc1 $f10, 56(%2) \n\t"
"packsshb $f8, $f8, $f10 \n\t"
"paddb $f2, $f2, $f0 \n\t"
"paddb $f4, $f4, $f0 \n\t"
"paddb $f6, $f6, $f0 \n\t"
"paddb $f8, $f8, $f0 \n\t"
"sdc1 $f2, 0(%0) \n\t"
"gssdxc1 $f4, 0(%0, %3) \n\t"
"gssdxc1 $f6, 0(%0, %1) \n\t"
"daddu %1, %1, %3 \n\t"
"gssdxc1 $f8, 0(%0, %1) \n\t"
"daddu $10, %1, %3 \n\t"
"daddu %0, %0, $10 \n\t"
"ldc1 $f2, 64(%2) \n\t"
"ldc1 $f10, 8+64(%2) \n\t"
"packsshb $f2, $f2, $f10 \n\t"
"ldc1 $f4, 16+64(%2) \n\t"
"ldc1 $f10, 24+64(%2) \n\t"
"packsshb $f4, $f4, $f10 \n\t"
"ldc1 $f6, 32+64(%2) \n\t"
"ldc1 $f10, 40+64(%2) \n\t"
"packsshb $f6, $f6, $f10 \n\t"
"ldc1 $f8, 48+64(%2) \n\t"
"ldc1 $f10, 56+64(%2) \n\t"
"packsshb $f8, $f8, $f10 \n\t"
"paddb $f2, $f2, $f0 \n\t"
"paddb $f4, $f4, $f0 \n\t"
"paddb $f6, $f6, $f0 \n\t"
"paddb $f8, $f8, $f0 \n\t"
"sdc1 $f2, 0(%0) \n\t"
"gssdxc1 $f4, 0(%0, %3) \n\t"
"daddu $10, %3, %3 \n\t"
"gssdxc1 $f6, 0(%0, $10) \n\t"
"gssdxc1 $f8, 0(%0, %1) \n\t"
: "+&r"(pixels),"=&r"(line_skip3)
: "r"(block),"r"(line_skip),"r"(ff_pb_80)
: "$10","memory"
);
}
void ff_add_pixels_clamped_mmi(const int16_t *block,
uint8_t *av_restrict pixels, ptrdiff_t line_size)
{
const int16_t *p;
uint8_t *pix;
int i = 4;
p = block;
pix = pixels;
__asm__ volatile (
"xor $f14, $f14, $f14 \r\n"
::
);
do {
__asm__ volatile (
"ldc1 $f0, 0+%2 \r\n"
"ldc1 $f2, 8+%2 \r\n"
"ldc1 $f4, 16+%2 \r\n"
"ldc1 $f6, 24+%2 \r\n"
"ldc1 $f8, %0 \r\n"
"ldc1 $f12, %1 \r\n"
"mov.d $f10, $f8 \r\n"
"punpcklbh $f8, $f8, $f14 \r\n"
"punpckhbh $f10, $f10, $f14 \r\n"
"paddsh $f0, $f0, $f8 \r\n"
"paddsh $f2, $f2, $f10 \r\n"
"mov.d $f10, $f12 \r\n"
"punpcklbh $f12, $f12, $f14 \r\n"
"punpckhbh $f10, $f10, $f14 \r\n"
"paddsh $f4, $f4, $f12 \r\n"
"paddsh $f6, $f6, $f10 \r\n"
"packushb $f0, $f0, $f2 \r\n"
"packushb $f4, $f4, $f6 \r\n"
"sdc1 $f0, %0 \r\n"
"sdc1 $f4, %1 \r\n"
: "+m"(*pix),"+m"(*(pix+line_size))
: "m"(*p)
: "memory"
);
pix += line_size*2;
p += 16;
} while (--i);
}