1.MMI_ load/store macros are defined in libavutil/mips/mmiutils.h 2.Replace some unnecessary unaligned access with aligned operator 3.The MMI_ load/store is compatible with cpu loongson2e/2f which not support instructions start with gs Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
		
			
				
	
	
		
			507 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			507 lines
		
	
	
		
			26 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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| 
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| #include "mpegvideo_mips.h"
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| #include "libavutil/mips/mmiutils.h"
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| 
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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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|     DECLARE_VAR_ALL64;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|         "1:                                                             \n\t"
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|         PTR_ADDU   "%[addr0],   %[block],       %[nCoeffs]              \n\t"
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|         MMI_LDC1(%[ftmp1], %[addr0], 0x00)
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|         MMI_LDC1(%[ftmp2], %[addr0], 0x08)
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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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|         MMI_SDC1(%[ftmp1], %[addr0], 0x00)
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|         MMI_SDC1(%[ftmp2], %[addr0], 0x08)
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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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|           RESTRICT_ASM_ALL64
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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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|     block[0] = level;
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| }
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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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|     DECLARE_VAR_ALL64;
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| 
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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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| 
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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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|         MMI_LDC1(%[ftmp1], %[addr0], 0x00)
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|         MMI_LDC1(%[ftmp2], %[addr0], 0x08)
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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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|         MMI_SDC1(%[ftmp1], %[addr0], 0x00)
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|         MMI_SDC1(%[ftmp2], %[addr0], 0x08)
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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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|           RESTRICT_ASM_ALL64
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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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| 
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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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|     DECLARE_VAR_ALL64;
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|     DECLARE_VAR_ADDRT;
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| 
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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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| 
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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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| 
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|     /* XXX: only mpeg1 */
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|     quant_matrix = s->intra_matrix;
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| 
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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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| 
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|         "1:                                                             \n\t"
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|         MMI_LDXC1(%[ftmp2], %[addr0], %[block], 0x00)
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|         MMI_LDXC1(%[ftmp3], %[addr0], %[block], 0x08)
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|         "mov.d      %[ftmp4],   %[ftmp2]                                \n\t"
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|         "mov.d      %[ftmp5],   %[ftmp3]                                \n\t"
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|         MMI_LDXC1(%[ftmp6], %[addr0], %[quant], 0x00)
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|         MMI_LDXC1(%[ftmp7], %[addr0], %[quant], 0x08)
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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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|         MMI_SDXC1(%[ftmp6], %[addr0], %[block], 0x00)
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|         MMI_SDXC1(%[ftmp7], %[addr0], %[block], 0x08)
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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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|           RESTRICT_ASM_ALL64
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|           RESTRICT_ASM_ADDRT
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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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| 
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|     block[0] = block0;
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| }
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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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|     DECLARE_VAR_ALL64;
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|     DECLARE_VAR_ADDRT;
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| 
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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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| 
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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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| 
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|         "1:                                                             \n\t"
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|         MMI_LDXC1(%[ftmp2], %[addr0], %[block], 0x00)
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|         MMI_LDXC1(%[ftmp3], %[addr0], %[block], 0x08)
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|         "mov.d      %[ftmp4],   %[ftmp2]                                \n\t"
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|         "mov.d      %[ftmp5],   %[ftmp3]                                \n\t"
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|         MMI_LDXC1(%[ftmp6], %[addr0], %[quant], 0x00)
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|         MMI_LDXC1(%[ftmp7], %[addr0], %[quant], 0x08)
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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"
 | |
|         "pmullh     %[ftmp3],   %[ftmp3],       %[ftmp7]                \n\t"
 | |
|         "xor        %[ftmp6],   %[ftmp6],       %[ftmp6]                \n\t"
 | |
|         "xor        %[ftmp7],   %[ftmp7],       %[ftmp7]                \n\t"
 | |
|         "pcmpeqh    %[ftmp6],   %[ftmp6],       %[ftmp4]                \n\t"
 | |
|         "dli        %[tmp0],    0x04                                    \n\t"
 | |
|         "pcmpeqh    %[ftmp7],   %[ftmp7],       %[ftmp5]                \n\t"
 | |
|         "dmtc1      %[tmp0],    %[ftmp4]                                \n\t"
 | |
|         "psrah      %[ftmp2],   %[ftmp2],       %[ftmp4]                \n\t"
 | |
|         "psrah      %[ftmp3],   %[ftmp3],       %[ftmp4]                \n\t"
 | |
|         "psubh      %[ftmp2],   %[ftmp2],       %[ftmp0]                \n\t"
 | |
|         "psubh      %[ftmp3],   %[ftmp3],       %[ftmp0]                \n\t"
 | |
|         "or         %[ftmp2],   %[ftmp2],       %[ftmp0]                \n\t"
 | |
|         "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"
 | |
|         MMI_SDXC1(%[ftmp6], %[addr0], %[block], 0x00)
 | |
|         MMI_SDXC1(%[ftmp7], %[addr0], %[block], 0x08)
 | |
|         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]),
 | |
|           RESTRICT_ASM_ALL64
 | |
|           RESTRICT_ASM_ADDRT
 | |
|           [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];
 | |
|     DECLARE_VAR_ALL64;
 | |
|     DECLARE_VAR_ADDRT;
 | |
| 
 | |
|     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"
 | |
|         MMI_LDXC1(%[ftmp1], %[addr0], %[block], 0x00)
 | |
|         MMI_LDXC1(%[ftmp2], %[addr0], %[block], 0x08)
 | |
|         "mov.d      %[ftmp3],   %[ftmp1]                                \n\t"
 | |
|         "mov.d      %[ftmp4],   %[ftmp2]                                \n\t"
 | |
|         MMI_LDXC1(%[ftmp5], %[addr0], %[quant], 0x00)
 | |
|         MMI_LDXC1(%[ftmp6], %[addr0], %[quant], 0x08)
 | |
|         "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"
 | |
|         MMI_SDXC1(%[ftmp5], %[addr0], %[block], 0x00)
 | |
|         MMI_SDXC1(%[ftmp6], %[addr0], %[block], 0x08)
 | |
|         "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]),
 | |
|           RESTRICT_ASM_ALL64
 | |
|           RESTRICT_ASM_ADDRT
 | |
|           [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];
 | |
|     DECLARE_VAR_ALL64;
 | |
| 
 | |
|     s->dct_count[intra]++;
 | |
| 
 | |
|     __asm__ volatile(
 | |
|         "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]                \n\t"
 | |
|         "1:                                                             \n\t"
 | |
|         MMI_LDC1(%[ftmp1], %[block], 0x00)
 | |
|         "xor        %[ftmp2],   %[ftmp2],       %[ftmp2]                \n\t"
 | |
|         MMI_LDC1(%[ftmp3], %[block], 0x08)
 | |
|         "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"
 | |
|         MMI_LDC1(%[ftmp6], %[offset], 0x00)
 | |
|         "mov.d      %[ftmp5],   %[ftmp1]                                \n\t"
 | |
|         "psubush    %[ftmp1],   %[ftmp1],       %[ftmp6]                \n\t"
 | |
|         MMI_LDC1(%[ftmp6], %[offset], 0x08)
 | |
|         "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"
 | |
|         MMI_SDC1(%[ftmp1], %[block], 0x00)
 | |
|         MMI_SDC1(%[ftmp3], %[block], 0x08)
 | |
|         "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"
 | |
|         MMI_LDC1(%[ftmp2], %[sum], 0x00)
 | |
|         "paddw      %[ftmp5],   %[ftmp5],       %[ftmp2]                \n\t"
 | |
|         MMI_LDC1(%[ftmp2], %[sum], 0x08)
 | |
|         "paddw      %[ftmp1],   %[ftmp1],       %[ftmp2]                \n\t"
 | |
|         MMI_LDC1(%[ftmp2], %[sum], 0x10)
 | |
|         "paddw      %[ftmp7],   %[ftmp7],       %[ftmp2]                \n\t"
 | |
|         MMI_LDC1(%[ftmp2], %[sum], 0x18)
 | |
|         "paddw      %[ftmp3],   %[ftmp3],       %[ftmp2]                \n\t"
 | |
|         MMI_SDC1(%[ftmp5], %[sum], 0x00)
 | |
|         MMI_SDC1(%[ftmp1], %[sum], 0x08)
 | |
|         MMI_SDC1(%[ftmp7], %[sum], 0x10)
 | |
|         MMI_SDC1(%[ftmp3], %[sum], 0x18)
 | |
|         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]),
 | |
|           RESTRICT_ASM_ALL64
 | |
|           [addr0]"=&r"(addr[0]),
 | |
|           [block]"+&r"(block),              [sum]"+&r"(sum),
 | |
|           [offset]"+&r"(offset)
 | |
|         : [block1]"r"(block+64)
 | |
|         : "memory"
 | |
|     );
 | |
| }
 |