mirror of
https://github.com/xenia-project/FFmpeg.git
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a20646bb24
1. no longer use the register names directly and optimized code format 2. to be compatible with O32, specify type of address variable with mips_reg and handle the address variable with PTR_ operator Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
493 lines
27 KiB
C
493 lines
27 KiB
C
/*
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* Loongson SIMD optimized mpegvideo
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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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* Zhang Shuangshuang <zhangshuangshuang@ict.ac.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 "mpegvideo_mips.h"
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#include "libavutil/mips/asmdefs.h"
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void ff_dct_unquantize_h263_intra_mmi(MpegEncContext *s, int16_t *block,
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int n, int qscale)
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{
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int64_t level, qmul, qadd, nCoeffs;
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double ftmp[6];
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mips_reg addr[1];
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qmul = qscale << 1;
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av_assert2(s->block_last_index[n]>=0 || s->h263_aic);
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if (!s->h263_aic) {
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if (n<4)
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level = block[0] * s->y_dc_scale;
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else
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level = block[0] * s->c_dc_scale;
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qadd = (qscale-1) | 1;
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} else {
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qadd = 0;
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level = block[0];
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}
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if(s->ac_pred)
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nCoeffs = 63;
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else
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nCoeffs = s->inter_scantable.raster_end[s->block_last_index[n]];
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__asm__ volatile (
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"xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
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"packsswh %[qmul], %[qmul], %[qmul] \n\t"
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"packsswh %[qmul], %[qmul], %[qmul] \n\t"
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"packsswh %[qadd], %[qadd], %[qadd] \n\t"
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"packsswh %[qadd], %[qadd], %[qadd] \n\t"
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"psubh %[ftmp0], %[ftmp0], %[qadd] \n\t"
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"xor %[ftmp5], %[ftmp5], %[ftmp5] \n\t"
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".p2align 4 \n\t"
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"1: \n\t"
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PTR_ADDU "%[addr0], %[block], %[nCoeffs] \n\t"
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"gsldlc1 %[ftmp1], 0x07(%[addr0]) \n\t"
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"gsldrc1 %[ftmp1], 0x00(%[addr0]) \n\t"
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"gsldlc1 %[ftmp2], 0x0f(%[addr0]) \n\t"
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"gsldrc1 %[ftmp2], 0x08(%[addr0]) \n\t"
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"mov.d %[ftmp3], %[ftmp1] \n\t"
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"mov.d %[ftmp4], %[ftmp2] \n\t"
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"pmullh %[ftmp1], %[ftmp1], %[qmul] \n\t"
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"pmullh %[ftmp2], %[ftmp2], %[qmul] \n\t"
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"pcmpgth %[ftmp3], %[ftmp3], %[ftmp5] \n\t"
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"pcmpgth %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
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"xor %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
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"xor %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
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"paddh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
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"paddh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
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"xor %[ftmp3], %[ftmp3], %[ftmp1] \n\t"
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"xor %[ftmp4], %[ftmp4], %[ftmp2] \n\t"
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"pcmpeqh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
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"pcmpeqh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
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"pandn %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
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"pandn %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
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PTR_ADDIU "%[nCoeffs], %[nCoeffs], 0x10 \n\t"
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"gssdlc1 %[ftmp1], 0x07(%[addr0]) \n\t"
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"gssdrc1 %[ftmp1], 0x00(%[addr0]) \n\t"
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"gssdlc1 %[ftmp2], 0x0f(%[addr0]) \n\t"
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"gssdrc1 %[ftmp2], 0x08(%[addr0]) \n\t"
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"blez %[nCoeffs], 1b \n\t"
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: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
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[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
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[ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
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[addr0]"=&r"(addr[0])
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: [block]"r"((mips_reg)(block+nCoeffs)),
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[nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
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[qmul]"f"(qmul), [qadd]"f"(qadd)
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: "memory"
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);
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block[0] = level;
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}
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void ff_dct_unquantize_h263_inter_mmi(MpegEncContext *s, int16_t *block,
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int n, int qscale)
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{
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int64_t qmul, qadd, nCoeffs;
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double ftmp[6];
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mips_reg addr[1];
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qmul = qscale << 1;
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qadd = (qscale - 1) | 1;
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av_assert2(s->block_last_index[n]>=0 || s->h263_aic);
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nCoeffs = s->inter_scantable.raster_end[s->block_last_index[n]];
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__asm__ volatile (
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"packsswh %[qmul], %[qmul], %[qmul] \n\t"
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"packsswh %[qmul], %[qmul], %[qmul] \n\t"
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"xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
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"packsswh %[qadd], %[qadd], %[qadd] \n\t"
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"packsswh %[qadd], %[qadd], %[qadd] \n\t"
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"psubh %[ftmp0], %[ftmp0], %[qadd] \n\t"
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"xor %[ftmp5], %[ftmp5], %[ftmp5] \n\t"
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".p2align 4 \n\t"
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"1: \n\t"
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PTR_ADDU "%[addr0], %[block], %[nCoeffs] \n\t"
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"gsldlc1 %[ftmp1], 0x07(%[addr0]) \n\t"
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"gsldrc1 %[ftmp1], 0x00(%[addr0]) \n\t"
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"gsldlc1 %[ftmp2], 0x0f(%[addr0]) \n\t"
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"gsldrc1 %[ftmp2], 0x08(%[addr0]) \n\t"
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"mov.d %[ftmp3], %[ftmp1] \n\t"
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"mov.d %[ftmp4], %[ftmp2] \n\t"
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"pmullh %[ftmp1], %[ftmp1], %[qmul] \n\t"
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"pmullh %[ftmp2], %[ftmp2], %[qmul] \n\t"
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"pcmpgth %[ftmp3], %[ftmp3], %[ftmp5] \n\t"
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"pcmpgth %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
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"xor %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
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"xor %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
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"paddh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
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"paddh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
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"xor %[ftmp3], %[ftmp3], %[ftmp1] \n\t"
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"xor %[ftmp4], %[ftmp4], %[ftmp2] \n\t"
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"pcmpeqh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
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"pcmpeqh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
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"pandn %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
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"pandn %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
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PTR_ADDIU "%[nCoeffs], %[nCoeffs], 0x10 \n\t"
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"gssdlc1 %[ftmp1], 0x07(%[addr0]) \n\t"
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"gssdrc1 %[ftmp1], 0x00(%[addr0]) \n\t"
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"gssdlc1 %[ftmp2], 0x0f(%[addr0]) \n\t"
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"gssdrc1 %[ftmp2], 0x08(%[addr0]) \n\t"
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"blez %[nCoeffs], 1b \n\t"
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: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
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[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
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[ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
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[addr0]"=&r"(addr[0])
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: [block]"r"((mips_reg)(block+nCoeffs)),
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[nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
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[qmul]"f"(qmul), [qadd]"f"(qadd)
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: "memory"
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);
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}
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void ff_dct_unquantize_mpeg1_intra_mmi(MpegEncContext *s, int16_t *block,
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int n, int qscale)
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{
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int64_t nCoeffs;
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const uint16_t *quant_matrix;
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int block0;
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double ftmp[10];
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uint64_t tmp[1];
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mips_reg addr[1];
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av_assert2(s->block_last_index[n]>=0);
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nCoeffs = s->intra_scantable.raster_end[s->block_last_index[n]] + 1;
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if (n<4)
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block0 = block[0] * s->y_dc_scale;
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else
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block0 = block[0] * s->c_dc_scale;
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/* XXX: only mpeg1 */
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quant_matrix = s->intra_matrix;
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__asm__ volatile (
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"dli %[tmp0], 0x0f \n\t"
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"pcmpeqh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
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"dmtc1 %[tmp0], %[ftmp4] \n\t"
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"dmtc1 %[qscale], %[ftmp1] \n\t"
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"psrlh %[ftmp0], %[ftmp0], %[ftmp4] \n\t"
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"packsswh %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
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"packsswh %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
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"or %[addr0], %[nCoeffs], $0 \n\t"
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".p2align 4 \n\t"
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"1: \n\t"
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"gsldxc1 %[ftmp2], 0x00(%[addr0], %[block]) \n\t"
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"gsldxc1 %[ftmp3], 0x08(%[addr0], %[block]) \n\t"
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"mov.d %[ftmp4], %[ftmp2] \n\t"
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"mov.d %[ftmp5], %[ftmp3] \n\t"
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"gsldxc1 %[ftmp6], 0x00(%[addr0], %[quant]) \n\t"
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"gsldxc1 %[ftmp7], 0x08(%[addr0], %[quant]) \n\t"
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"pmullh %[ftmp6], %[ftmp6], %[ftmp1] \n\t"
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"pmullh %[ftmp7], %[ftmp7], %[ftmp1] \n\t"
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"xor %[ftmp8], %[ftmp8], %[ftmp8] \n\t"
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"xor %[ftmp9], %[ftmp9], %[ftmp9] \n\t"
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"pcmpgth %[ftmp8], %[ftmp8], %[ftmp2] \n\t"
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"pcmpgth %[ftmp9], %[ftmp9], %[ftmp3] \n\t"
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"xor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
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"xor %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
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"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
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"psubh %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
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"pmullh %[ftmp2], %[ftmp2], %[ftmp6] \n\t"
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"pmullh %[ftmp3], %[ftmp3], %[ftmp7] \n\t"
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"xor %[ftmp6], %[ftmp6], %[ftmp6] \n\t"
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"xor %[ftmp7], %[ftmp7], %[ftmp7] \n\t"
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"pcmpeqh %[ftmp6], %[ftmp6], %[ftmp4] \n\t"
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"dli %[tmp0], 0x03 \n\t"
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"pcmpeqh %[ftmp7], %[ftmp7], %[ftmp5] \n\t"
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"dmtc1 %[tmp0], %[ftmp4] \n\t"
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"psrah %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
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"psrah %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
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"psubh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
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"psubh %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
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"or %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
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"or %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
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"xor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
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"xor %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
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"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
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"psubh %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
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"pandn %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
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"pandn %[ftmp7], %[ftmp7], %[ftmp3] \n\t"
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"gssdxc1 %[ftmp6], 0x00(%[addr0], %[block]) \n\t"
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"gssdxc1 %[ftmp7], 0x08(%[addr0], %[block]) \n\t"
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PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
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"bltz %[addr0], 1b \n\t"
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: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
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[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
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[ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
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[ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]),
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[ftmp8]"=&f"(ftmp[8]), [ftmp9]"=&f"(ftmp[9]),
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[tmp0]"=&r"(tmp[0]),
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[addr0]"=&r"(addr[0])
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: [block]"r"((mips_reg)(block+nCoeffs)),
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[quant]"r"((mips_reg)(quant_matrix+nCoeffs)),
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[nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
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[qscale]"r"(qscale)
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: "memory"
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);
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block[0] = block0;
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}
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void ff_dct_unquantize_mpeg1_inter_mmi(MpegEncContext *s, int16_t *block,
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int n, int qscale)
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{
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int64_t nCoeffs;
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const uint16_t *quant_matrix;
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double ftmp[10];
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uint64_t tmp[1];
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mips_reg addr[1];
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av_assert2(s->block_last_index[n] >= 0);
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nCoeffs = s->intra_scantable.raster_end[s->block_last_index[n]] + 1;
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quant_matrix = s->inter_matrix;
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__asm__ volatile (
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"dli %[tmp0], 0x0f \n\t"
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"pcmpeqh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
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"dmtc1 %[tmp0], %[ftmp4] \n\t"
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"dmtc1 %[qscale], %[ftmp1] \n\t"
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"psrlh %[ftmp0], %[ftmp0], %[ftmp4] \n\t"
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"packsswh %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
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"packsswh %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
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"or %[addr0], %[nCoeffs], $0 \n\t"
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".p2align 4 \n\t"
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"1: \n\t"
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"gsldxc1 %[ftmp2], 0x00(%[addr0], %[block]) \n\t"
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"gsldxc1 %[ftmp3], 0x08(%[addr0], %[block]) \n\t"
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"mov.d %[ftmp4], %[ftmp2] \n\t"
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"mov.d %[ftmp5], %[ftmp3] \n\t"
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"gsldxc1 %[ftmp6], 0x00(%[addr0], %[quant]) \n\t"
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"gsldxc1 %[ftmp7], 0x08(%[addr0], %[quant]) \n\t"
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"pmullh %[ftmp6], %[ftmp6], %[ftmp1] \n\t"
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"pmullh %[ftmp7], %[ftmp7], %[ftmp1] \n\t"
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"xor %[ftmp8], %[ftmp8], %[ftmp8] \n\t"
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"xor %[ftmp9], %[ftmp9], %[ftmp9] \n\t"
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"pcmpgth %[ftmp8], %[ftmp8], %[ftmp2] \n\t"
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"pcmpgth %[ftmp9], %[ftmp9], %[ftmp3] \n\t"
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"xor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
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"xor %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
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"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
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"psubh %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
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"paddh %[ftmp2], %[ftmp2], %[ftmp2] \n\t"
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"paddh %[ftmp3], %[ftmp3], %[ftmp3] \n\t"
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"paddh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
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"paddh %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
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"pmullh %[ftmp2], %[ftmp2], %[ftmp6] \n\t"
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"pmullh %[ftmp3], %[ftmp3], %[ftmp7] \n\t"
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"xor %[ftmp6], %[ftmp6], %[ftmp6] \n\t"
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"xor %[ftmp7], %[ftmp7], %[ftmp7] \n\t"
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"pcmpeqh %[ftmp6], %[ftmp6], %[ftmp4] \n\t"
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"dli %[tmp0], 0x04 \n\t"
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"pcmpeqh %[ftmp7], %[ftmp7], %[ftmp5] \n\t"
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"dmtc1 %[tmp0], %[ftmp4] \n\t"
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"psrah %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
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"psrah %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
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"psubh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
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"psubh %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
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"or %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
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"or %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
|
|
"xor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
|
|
"xor %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
|
|
"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
|
|
"psubh %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
|
|
"pandn %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
|
|
"pandn %[ftmp7], %[ftmp7], %[ftmp3] \n\t"
|
|
"gssdxc1 %[ftmp6], 0x00(%[addr0], %[block]) \n\t"
|
|
"gssdxc1 %[ftmp7], 0x08(%[addr0], %[block]) \n\t"
|
|
PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
|
|
"bltz %[addr0], 1b \n\t"
|
|
: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
|
|
[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
|
|
[ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
|
|
[ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]),
|
|
[ftmp8]"=&f"(ftmp[8]), [ftmp9]"=&f"(ftmp[9]),
|
|
[tmp0]"=&r"(tmp[0]),
|
|
[addr0]"=&r"(addr[0])
|
|
: [block]"r"((mips_reg)(block+nCoeffs)),
|
|
[quant]"r"((mips_reg)(quant_matrix+nCoeffs)),
|
|
[nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
|
|
[qscale]"r"(qscale)
|
|
: "memory"
|
|
);
|
|
}
|
|
|
|
void ff_dct_unquantize_mpeg2_intra_mmi(MpegEncContext *s, int16_t *block,
|
|
int n, int qscale)
|
|
{
|
|
uint64_t nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
int block0;
|
|
double ftmp[10];
|
|
uint64_t tmp[1];
|
|
mips_reg addr[1];
|
|
|
|
assert(s->block_last_index[n]>=0);
|
|
|
|
if (s->alternate_scan)
|
|
nCoeffs = 63;
|
|
else
|
|
nCoeffs = s->intra_scantable.raster_end[s->block_last_index[n]];
|
|
|
|
if (n < 4)
|
|
block0 = block[0] * s->y_dc_scale;
|
|
else
|
|
block0 = block[0] * s->c_dc_scale;
|
|
|
|
quant_matrix = s->intra_matrix;
|
|
|
|
__asm__ volatile (
|
|
"dli %[tmp0], 0x0f \n\t"
|
|
"pcmpeqh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
|
|
"mtc1 %[tmp0], %[ftmp3] \n\t"
|
|
"mtc1 %[qscale], %[ftmp9] \n\t"
|
|
"psrlh %[ftmp0], %[ftmp0], %[ftmp3] \n\t"
|
|
"packsswh %[ftmp9], %[ftmp9], %[ftmp9] \n\t"
|
|
"packsswh %[ftmp9], %[ftmp9], %[ftmp9] \n\t"
|
|
"or %[addr0], %[nCoeffs], $0 \n\t"
|
|
".p2align 4 \n\t"
|
|
"1: \n\t"
|
|
"gsldxc1 %[ftmp1], 0x00(%[addr0], %[block]) \n\t"
|
|
"gsldxc1 %[ftmp2], 0x08(%[addr0], %[block]) \n\t"
|
|
"mov.d %[ftmp3], %[ftmp1] \n\t"
|
|
"mov.d %[ftmp4], %[ftmp2] \n\t"
|
|
"gsldxc1 %[ftmp5], 0x00(%[addr0], %[quant]) \n\t"
|
|
"gsldxc1 %[ftmp6], 0x00(%[addr0], %[quant]) \n\t"
|
|
"pmullh %[ftmp5], %[ftmp5], %[ftmp9] \n\t"
|
|
"pmullh %[ftmp6], %[ftmp6], %[ftmp9] \n\t"
|
|
"xor %[ftmp7], %[ftmp7], %[ftmp7] \n\t"
|
|
"xor %[ftmp8], %[ftmp8], %[ftmp8] \n\t"
|
|
"pcmpgth %[ftmp7], %[ftmp7], %[ftmp1] \n\t"
|
|
"pcmpgth %[ftmp8], %[ftmp8], %[ftmp2] \n\t"
|
|
"xor %[ftmp1], %[ftmp1], %[ftmp7] \n\t"
|
|
"xor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
|
|
"psubh %[ftmp1], %[ftmp1], %[ftmp7] \n\t"
|
|
"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
|
|
"pmullh %[ftmp1], %[ftmp1], %[ftmp5] \n\t"
|
|
"pmullh %[ftmp2], %[ftmp2], %[ftmp6] \n\t"
|
|
"xor %[ftmp5], %[ftmp5], %[ftmp5] \n\t"
|
|
"xor %[ftmp6], %[ftmp6], %[ftmp6] \n\t"
|
|
"pcmpeqh %[ftmp5], %[ftmp5], %[ftmp3] \n\t"
|
|
"dli %[tmp0], 0x03 \n\t"
|
|
"pcmpeqh %[ftmp6] , %[ftmp6], %[ftmp4] \n\t"
|
|
"mtc1 %[tmp0], %[ftmp3] \n\t"
|
|
"psrah %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
|
|
"psrah %[ftmp2], %[ftmp2], %[ftmp3] \n\t"
|
|
"xor %[ftmp1], %[ftmp1], %[ftmp7] \n\t"
|
|
"xor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
|
|
"psubh %[ftmp1], %[ftmp1], %[ftmp7] \n\t"
|
|
"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
|
|
"pandn %[ftmp5], %[ftmp5], %[ftmp1] \n\t"
|
|
"pandn %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
|
|
PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
|
|
"gssdxc1 %[ftmp5], 0x00(%[addr0], %[block]) \n\t"
|
|
"gssdxc1 %[ftmp6], 0x08(%[addr0], %[block]) \n\t"
|
|
"blez %[addr0], 1b \n\t"
|
|
: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
|
|
[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
|
|
[ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
|
|
[ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]),
|
|
[ftmp8]"=&f"(ftmp[8]), [ftmp9]"=&f"(ftmp[9]),
|
|
[tmp0]"=&r"(tmp[0]),
|
|
[addr0]"=&r"(addr[0])
|
|
: [block]"r"((mips_reg)(block+nCoeffs)),
|
|
[quant]"r"((mips_reg)(quant_matrix+nCoeffs)),
|
|
[nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
|
|
[qscale]"r"(qscale)
|
|
: "memory"
|
|
);
|
|
|
|
block[0]= block0;
|
|
}
|
|
|
|
void ff_denoise_dct_mmi(MpegEncContext *s, int16_t *block)
|
|
{
|
|
const int intra = s->mb_intra;
|
|
int *sum = s->dct_error_sum[intra];
|
|
uint16_t *offset = s->dct_offset[intra];
|
|
double ftmp[8];
|
|
mips_reg addr[1];
|
|
|
|
s->dct_count[intra]++;
|
|
|
|
__asm__ volatile(
|
|
"xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
|
|
"1: \n\t"
|
|
"ldc1 %[ftmp1], 0x00(%[block]) \n\t"
|
|
"xor %[ftmp2], %[ftmp2], %[ftmp2] \n\t"
|
|
"ldc1 %[ftmp3], 0x08(%[block]) \n\t"
|
|
"xor %[ftmp4], %[ftmp4], %[ftmp4] \n\t"
|
|
"pcmpgth %[ftmp2], %[ftmp2], %[ftmp1] \n\t"
|
|
"pcmpgth %[ftmp4], %[ftmp4], %[ftmp3] \n\t"
|
|
"xor %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
|
|
"xor %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
|
|
"psubh %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
|
|
"psubh %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
|
|
"ldc1 %[ftmp6], 0x00(%[offset]) \n\t"
|
|
"mov.d %[ftmp5], %[ftmp1] \n\t"
|
|
"psubush %[ftmp1], %[ftmp1], %[ftmp6] \n\t"
|
|
"ldc1 %[ftmp6], 0x08(%[offset]) \n\t"
|
|
"mov.d %[ftmp7], %[ftmp3] \n\t"
|
|
"psubush %[ftmp3], %[ftmp3], %[ftmp6] \n\t"
|
|
"xor %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
|
|
"xor %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
|
|
"psubh %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
|
|
"psubh %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
|
|
"sdc1 %[ftmp1], 0x00(%[block]) \n\t"
|
|
"sdc1 %[ftmp3], 0x08(%[block]) \n\t"
|
|
"mov.d %[ftmp1], %[ftmp5] \n\t"
|
|
"mov.d %[ftmp3], %[ftmp7] \n\t"
|
|
"punpcklhw %[ftmp5], %[ftmp5], %[ftmp0] \n\t"
|
|
"punpckhhw %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
|
|
"punpcklhw %[ftmp7], %[ftmp7], %[ftmp0] \n\t"
|
|
"punpckhhw %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
|
|
"ldc1 %[ftmp2], 0x00(%[sum]) \n\t"
|
|
"paddw %[ftmp5], %[ftmp5], %[ftmp2] \n\t"
|
|
"ldc1 %[ftmp2], 0x08(%[sum]) \n\t"
|
|
"paddw %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
|
|
"ldc1 %[ftmp2], 0x10(%[sum]) \n\t"
|
|
"paddw %[ftmp7], %[ftmp7], %[ftmp2] \n\t"
|
|
"ldc1 %[ftmp2], 0x18(%[sum]) \n\t"
|
|
"paddw %[ftmp3], %[ftmp3], %[ftmp2] \n\t"
|
|
"sdc1 %[ftmp5], 0x00(%[sum]) \n\t"
|
|
"sdc1 %[ftmp1], 0x08(%[sum]) \n\t"
|
|
"sdc1 %[ftmp7], 0x10(%[sum]) \n\t"
|
|
"sdc1 %[ftmp3], 0x18(%[sum]) \n\t"
|
|
PTR_ADDIU "%[block], %[block], 0x10 \n\t"
|
|
PTR_ADDIU "%[sum], %[sum], 0x20 \n\t"
|
|
PTR_SUBU "%[addr0], %[block1], %[block] \n\t"
|
|
PTR_ADDIU "%[offset], %[offset], 0x10 \n\t"
|
|
"bgtz %[addr0], 1b \n\t"
|
|
: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
|
|
[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
|
|
[ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
|
|
[ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]),
|
|
[addr0]"=&r"(addr[0]),
|
|
[block]"+&r"(block), [sum]"+&r"(sum),
|
|
[offset]"+&r"(offset)
|
|
: [block1]"r"(block+64)
|
|
: "memory"
|
|
);
|
|
}
|