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;*!;* \copy;*     Copyright (c)  2009-2013, Cisco Systems;*     All rights reserved.;*;*     Redistribution and use in source and binary forms, with or without;*     modification, are permitted provided that the following conditions;*     are met:;*;*        ?Redistributions of source code must retain the above copyright;*          notice, this list of conditions and the following disclaimer.;*;*        ?Redistributions in binary form must reproduce the above copyright;*          notice, this list of conditions and the following disclaimer in;*          the documentation and/or other materials provided with the;*          distribution.;*;*     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS;*     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT;*     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS;*     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE;*     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,;*     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,;*     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;;*     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER;*     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT;*     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN;*     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE;*     POSSIBILITY OF SUCH DAMAGE.;*;*;*  dct.asm;*;*  Abstract;*      WelsDctFourT4_sse2;*;*  History;*      8/4/2009 Created;*;*;*************************************************************************/ %include "asm_inc.asm" ;*******************************************************************************; Macros and other preprocessor constants;*******************************************************************************%macro MMX_SumSubDiv2 3    movq    %3, %2    psraw   %3, $01    paddw   %3, %1    psraw   %1, $01    psubw   %1, %2%endmacro %macro MMX_SumSub 3    movq    %3, %2    psubw   %2, %1    paddw   %1, %3%endmacro %macro MMX_IDCT 6    MMX_SumSub      %4, %5, %6    MMX_SumSubDiv2  %3, %2, %1    MMX_SumSub      %1, %4, %6    MMX_SumSub      %3, %5, %6%endmacro  %macro MMX_StoreDiff4P 5    movd       %2, %5    punpcklbw  %2, %4    paddw      %1, %3    psraw      %1, $06    paddsw     %1, %2    packuswb   %1, %2    movd       %5, %1%endmacro ;*******************************************************************************; Code;******************************************************************************* SECTION .text ;*******************************************************************************;   void IdctResAddPred_mmx( uint8_t *pPred, const int32_t kiStride, int16_t *pRs );******************************************************************************* WELS_EXTERN IdctResAddPred_mmx    %assign push_num 0    LOAD_3_PARA    SIGN_EXTENSION r1, r1d    movq    mm0, [r2+ 0]    movq    mm1, [r2+ 8]    movq    mm2, [r2+16]    movq    mm3, [r2+24]     MMX_Trans4x4W        mm0, mm1, mm2, mm3, mm4    MMX_IDCT            mm1, mm2, mm3, mm4, mm0, mm6    MMX_Trans4x4W        mm1, mm3, mm0, mm4, mm2    MMX_IDCT            mm3, mm0, mm4, mm2, mm1, mm6     WELS_Zero           mm7    WELS_DW32           mm6     MMX_StoreDiff4P    mm3, mm0, mm6, mm7, [r0]    MMX_StoreDiff4P    mm4, mm0, mm6, mm7, [r0+r1]    lea     r0, [r0+2*r1]    MMX_StoreDiff4P    mm1, mm0, mm6, mm7, [r0]    MMX_StoreDiff4P    mm2, mm0, mm6, mm7, [r0+r1]      emms    ret ;void WelsBlockZero16x16_sse2(int16_t * block, int32_t stride);
WELS_EXTERN WelsBlockZero16x16_sse2
    %assign  push_num 0    LOAD_2_PARA    SIGN_EXTENSION r1, r1d    shl     r1, 1    pxor    xmm0, xmm0%rep 16    movdqa  [r0], xmm0    movdqa  [r0+16], xmm0    add     r0, r1%endrep    ret
;void WelsBlockZero8x8_sse2(int16_t * block, int32_t stride);
WELS_EXTERN WelsBlockZero8x8_sse2
    %assign  push_num 0    LOAD_2_PARA    SIGN_EXTENSION r1, r1d    shl     r1, 1    pxor    xmm0, xmm0%rep 8    movdqa  [r0], xmm0    add     r0, r1%endrep    ret

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