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/*
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* Loongson SIMD optimized idctdsp
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*
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* Copyright (c) 2015 Loongson Technology Corporation Limited
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* Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "idctdsp_mips.h"
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#include "constants.h"
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void ff_put_pixels_clamped_mmi(const int16_t *block,
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uint8_t *av_restrict pixels, ptrdiff_t line_size)
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{
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const int16_t *p;
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uint8_t *pix;
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p = block;
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pix = pixels;
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__asm__ volatile (
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"ldc1 $f0, 0+%3 \r\n"
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"ldc1 $f2, 8+%3 \r\n"
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"ldc1 $f4, 16+%3 \r\n"
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"ldc1 $f6, 24+%3 \r\n"
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"ldc1 $f8, 32+%3 \r\n"
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"ldc1 $f10, 40+%3 \r\n"
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"ldc1 $f12, 48+%3 \r\n"
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"ldc1 $f14, 56+%3 \r\n"
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"dadd $10, %0, %1 \r\n"
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"packushb $f0, $f0, $f2 \r\n"
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"packushb $f4, $f4, $f6 \r\n"
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"packushb $f8, $f8, $f10 \r\n"
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"packushb $f12, $f12, $f14 \r\n"
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"sdc1 $f0, 0(%0) \r\n"
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"sdc1 $f4, 0($10) \r\n"
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"gssdxc1 $f8, 0($10, %1) \r\n"
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"gssdxc1 $f12, 0(%0, %2) \r\n"
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::"r"(pix),"r"((int)line_size),
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"r"((int)line_size*3),"m"(*p)
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: "$10","memory"
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);
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pix += line_size*4;
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p += 32;
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__asm__ volatile (
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"ldc1 $f0, 0+%3 \r\n"
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"ldc1 $f2, 8+%3 \r\n"
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"ldc1 $f4, 16+%3 \r\n"
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"ldc1 $f6, 24+%3 \r\n"
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"ldc1 $f8, 32+%3 \r\n"
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"ldc1 $f10, 40+%3 \r\n"
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"ldc1 $f12, 48+%3 \r\n"
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"ldc1 $f14, 56+%3 \r\n"
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"dadd $10, %0, %1 \r\n"
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"packushb $f0, $f0, $f2 \r\n"
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"packushb $f4, $f4, $f6 \r\n"
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"packushb $f8, $f8, $f10 \r\n"
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"packushb $f12, $f12, $f14 \r\n"
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"sdc1 $f0, 0(%0) \r\n"
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"sdc1 $f4, 0($10) \r\n"
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"gssdxc1 $f8, 0($10, %1) \r\n"
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"gssdxc1 $f12, 0(%0, %2) \r\n"
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::"r"(pix),"r"((int)line_size),
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"r"((int)line_size*3),"m"(*p)
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: "$10","memory"
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);
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}
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void ff_put_signed_pixels_clamped_mmi(const int16_t *block,
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uint8_t *av_restrict pixels, ptrdiff_t line_size)
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{
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int64_t line_skip = line_size;
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int64_t line_skip3;
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__asm__ volatile (
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"dmtc1 %4, $f0 \n\t"
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"daddu %1, %3, %3 \n\t"
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"ldc1 $f2, 0(%2) \n\t"
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"ldc1 $f10, 8(%2) \n\t"
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"packsshb $f2, $f2, $f10 \n\t"
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"ldc1 $f4, 16(%2) \n\t"
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"ldc1 $f10, 24(%2) \n\t"
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"packsshb $f4, $f4, $f10 \n\t"
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"ldc1 $f6, 32(%2) \n\t"
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"ldc1 $f10, 40(%2) \n\t"
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"packsshb $f6, $f6, $f10 \n\t"
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"ldc1 $f8, 48(%2) \n\t"
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"ldc1 $f10, 56(%2) \n\t"
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"packsshb $f8, $f8, $f10 \n\t"
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"paddb $f2, $f2, $f0 \n\t"
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"paddb $f4, $f4, $f0 \n\t"
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"paddb $f6, $f6, $f0 \n\t"
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"paddb $f8, $f8, $f0 \n\t"
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"sdc1 $f2, 0(%0) \n\t"
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"gssdxc1 $f4, 0(%0, %3) \n\t"
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"gssdxc1 $f6, 0(%0, %1) \n\t"
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"daddu %1, %1, %3 \n\t"
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"gssdxc1 $f8, 0(%0, %1) \n\t"
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"daddu $10, %1, %3 \n\t"
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"daddu %0, %0, $10 \n\t"
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"ldc1 $f2, 64(%2) \n\t"
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"ldc1 $f10, 8+64(%2) \n\t"
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"packsshb $f2, $f2, $f10 \n\t"
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"ldc1 $f4, 16+64(%2) \n\t"
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"ldc1 $f10, 24+64(%2) \n\t"
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"packsshb $f4, $f4, $f10 \n\t"
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"ldc1 $f6, 32+64(%2) \n\t"
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"ldc1 $f10, 40+64(%2) \n\t"
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"packsshb $f6, $f6, $f10 \n\t"
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"ldc1 $f8, 48+64(%2) \n\t"
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"ldc1 $f10, 56+64(%2) \n\t"
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"packsshb $f8, $f8, $f10 \n\t"
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"paddb $f2, $f2, $f0 \n\t"
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"paddb $f4, $f4, $f0 \n\t"
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"paddb $f6, $f6, $f0 \n\t"
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"paddb $f8, $f8, $f0 \n\t"
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"sdc1 $f2, 0(%0) \n\t"
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"gssdxc1 $f4, 0(%0, %3) \n\t"
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"daddu $10, %3, %3 \n\t"
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"gssdxc1 $f6, 0(%0, $10) \n\t"
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"gssdxc1 $f8, 0(%0, %1) \n\t"
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: "+&r"(pixels),"=&r"(line_skip3)
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: "r"(block),"r"(line_skip),"r"(ff_pb_80)
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: "$10","memory"
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);
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}
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void ff_add_pixels_clamped_mmi(const int16_t *block,
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uint8_t *av_restrict pixels, ptrdiff_t line_size)
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{
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const int16_t *p;
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uint8_t *pix;
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int i = 4;
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p = block;
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pix = pixels;
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__asm__ volatile (
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"xor $f14, $f14, $f14 \r\n"
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::
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);
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do {
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__asm__ volatile (
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"ldc1 $f0, 0+%2 \r\n"
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"ldc1 $f2, 8+%2 \r\n"
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"ldc1 $f4, 16+%2 \r\n"
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"ldc1 $f6, 24+%2 \r\n"
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"ldc1 $f8, %0 \r\n"
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"ldc1 $f12, %1 \r\n"
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"mov.d $f10, $f8 \r\n"
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"punpcklbh $f8, $f8, $f14 \r\n"
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"punpckhbh $f10, $f10, $f14 \r\n"
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"paddsh $f0, $f0, $f8 \r\n"
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"paddsh $f2, $f2, $f10 \r\n"
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"mov.d $f10, $f12 \r\n"
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"punpcklbh $f12, $f12, $f14 \r\n"
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"punpckhbh $f10, $f10, $f14 \r\n"
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"paddsh $f4, $f4, $f12 \r\n"
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"paddsh $f6, $f6, $f10 \r\n"
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"packushb $f0, $f0, $f2 \r\n"
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"packushb $f4, $f4, $f6 \r\n"
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"sdc1 $f0, %0 \r\n"
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"sdc1 $f4, %1 \r\n"
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: "+m"(*pix),"+m"(*(pix+line_size))
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: "m"(*p)
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: "memory"
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);
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pix += line_size*2;
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p += 16;
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} while (--i);
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}
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