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2a88d989cb
--HG-- rename : media/libtheora/lib/dec/apiwrapper.c => media/libtheora/lib/apiwrapper.c rename : media/libtheora/lib/dec/apiwrapper.h => media/libtheora/lib/apiwrapper.h rename : media/libtheora/lib/dec/bitpack.c => media/libtheora/lib/bitpack.c rename : media/libtheora/lib/dec/bitpack.h => media/libtheora/lib/bitpack.h rename : media/libtheora/lib/dec/dct.h => media/libtheora/lib/dct.h rename : media/libtheora/lib/dec/decapiwrapper.c => media/libtheora/lib/decapiwrapper.c rename : media/libtheora/lib/dec/decinfo.c => media/libtheora/lib/decinfo.c rename : media/libtheora/lib/dec/decint.h => media/libtheora/lib/decint.h rename : media/libtheora/lib/dec/decode.c => media/libtheora/lib/decode.c rename : media/libtheora/lib/dec/dequant.c => media/libtheora/lib/dequant.c rename : media/libtheora/lib/dec/dequant.h => media/libtheora/lib/dequant.h rename : media/libtheora/lib/dec/fragment.c => media/libtheora/lib/fragment.c rename : media/libtheora/lib/dec/huffdec.c => media/libtheora/lib/huffdec.c rename : media/libtheora/lib/dec/huffdec.h => media/libtheora/lib/huffdec.h rename : media/libtheora/lib/dec/huffman.h => media/libtheora/lib/huffman.h rename : media/libtheora/lib/dec/idct.c => media/libtheora/lib/idct.c rename : media/libtheora/lib/dec/info.c => media/libtheora/lib/info.c rename : media/libtheora/lib/dec/internal.c => media/libtheora/lib/internal.c rename : media/libtheora/lib/dec/ocintrin.h => media/libtheora/lib/ocintrin.h rename : media/libtheora/lib/dec/quant.c => media/libtheora/lib/quant.c rename : media/libtheora/lib/dec/quant.h => media/libtheora/lib/quant.h rename : media/libtheora/lib/dec/state.c => media/libtheora/lib/state.c rename : media/libtheora/lib/dec/x86/mmxfrag.c => media/libtheora/lib/x86/mmxfrag.c rename : media/libtheora/lib/dec/x86/mmxidct.c => media/libtheora/lib/x86/mmxidct.c rename : media/libtheora/lib/dec/x86/mmxstate.c => media/libtheora/lib/x86/mmxstate.c rename : media/libtheora/lib/dec/x86/x86int.h => media/libtheora/lib/x86/x86int.h rename : media/libtheora/lib/dec/x86/x86state.c => media/libtheora/lib/x86/x86state.c rename : media/libtheora/lib/dec/x86_vc/mmxfrag.c => media/libtheora/lib/x86_vc/mmxfrag.c rename : media/libtheora/lib/dec/x86_vc/mmxidct.c => media/libtheora/lib/x86_vc/mmxidct.c rename : media/libtheora/lib/dec/x86_vc/mmxstate.c => media/libtheora/lib/x86_vc/mmxstate.c rename : media/libtheora/lib/dec/x86_vc/x86int.h => media/libtheora/lib/x86_vc/x86int.h rename : media/libtheora/lib/dec/x86_vc/x86state.c => media/libtheora/lib/x86_vc/x86state.c
338 lines
8.6 KiB
C
338 lines
8.6 KiB
C
/********************************************************************
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* *
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* THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
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* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
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* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
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* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
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* *
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* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
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* by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
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* *
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********************************************************************
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function:
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last mod: $Id: mmxfrag.c 16578 2009-09-25 19:50:48Z cristianadam $
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********************************************************************/
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/*MMX acceleration of fragment reconstruction for motion compensation.
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Originally written by Rudolf Marek.
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Additional optimization by Nils Pipenbrinck.
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Note: Loops are unrolled for best performance.
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The iteration each instruction belongs to is marked in the comments as #i.*/
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#include <stddef.h>
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#include "x86int.h"
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#include "mmxfrag.h"
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#if defined(OC_X86_ASM)
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/*Copies an 8x8 block of pixels from _src to _dst, assuming _ystride bytes
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between rows.*/
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void oc_frag_copy_mmx(unsigned char *_dst,
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const unsigned char *_src,int _ystride){
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#define SRC edx
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#define DST eax
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#define YSTRIDE ecx
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#define YSTRIDE3 esi
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OC_FRAG_COPY_MMX(_dst,_src,_ystride);
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#undef SRC
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#undef DST
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#undef YSTRIDE
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#undef YSTRIDE3
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}
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void oc_frag_recon_intra_mmx(unsigned char *_dst,int _ystride,
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const ogg_int16_t *_residue){
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__asm{
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#define DST edx
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#define DST4 esi
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#define YSTRIDE eax
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#define YSTRIDE3 edi
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#define RESIDUE ecx
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mov DST,_dst
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mov YSTRIDE,_ystride
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mov RESIDUE,_residue
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lea DST4,[DST+YSTRIDE*4]
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lea YSTRIDE3,[YSTRIDE+YSTRIDE*2]
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/*Set mm0 to 0xFFFFFFFFFFFFFFFF.*/
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pcmpeqw mm0,mm0
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/*#0 Load low residue.*/
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movq mm1,[0*8+RESIDUE]
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/*#0 Load high residue.*/
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movq mm2,[1*8+RESIDUE]
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/*Set mm0 to 0x8000800080008000.*/
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psllw mm0,15
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/*#1 Load low residue.*/
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movq mm3,[2*8+RESIDUE]
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/*#1 Load high residue.*/
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movq mm4,[3*8+RESIDUE]
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/*Set mm0 to 0x0080008000800080.*/
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psrlw mm0,8
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/*#2 Load low residue.*/
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movq mm5,[4*8+RESIDUE]
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/*#2 Load high residue.*/
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movq mm6,[5*8+RESIDUE]
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/*#0 Bias low residue.*/
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paddsw mm1,mm0
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/*#0 Bias high residue.*/
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paddsw mm2,mm0
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/*#0 Pack to byte.*/
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packuswb mm1,mm2
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/*#1 Bias low residue.*/
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paddsw mm3,mm0
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/*#1 Bias high residue.*/
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paddsw mm4,mm0
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/*#1 Pack to byte.*/
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packuswb mm3,mm4
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/*#2 Bias low residue.*/
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paddsw mm5,mm0
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/*#2 Bias high residue.*/
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paddsw mm6,mm0
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/*#2 Pack to byte.*/
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packuswb mm5,mm6
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/*#0 Write row.*/
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movq [DST],mm1
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/*#1 Write row.*/
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movq [DST+YSTRIDE],mm3
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/*#2 Write row.*/
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movq [DST+YSTRIDE*2],mm5
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/*#3 Load low residue.*/
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movq mm1,[6*8+RESIDUE]
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/*#3 Load high residue.*/
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movq mm2,[7*8+RESIDUE]
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/*#4 Load high residue.*/
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movq mm3,[8*8+RESIDUE]
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/*#4 Load high residue.*/
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movq mm4,[9*8+RESIDUE]
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/*#5 Load high residue.*/
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movq mm5,[10*8+RESIDUE]
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/*#5 Load high residue.*/
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movq mm6,[11*8+RESIDUE]
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/*#3 Bias low residue.*/
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paddsw mm1,mm0
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/*#3 Bias high residue.*/
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paddsw mm2,mm0
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/*#3 Pack to byte.*/
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packuswb mm1,mm2
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/*#4 Bias low residue.*/
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paddsw mm3,mm0
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/*#4 Bias high residue.*/
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paddsw mm4,mm0
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/*#4 Pack to byte.*/
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packuswb mm3,mm4
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/*#5 Bias low residue.*/
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paddsw mm5,mm0
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/*#5 Bias high residue.*/
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paddsw mm6,mm0
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/*#5 Pack to byte.*/
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packuswb mm5,mm6
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/*#3 Write row.*/
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movq [DST+YSTRIDE3],mm1
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/*#4 Write row.*/
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movq [DST4],mm3
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/*#5 Write row.*/
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movq [DST4+YSTRIDE],mm5
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/*#6 Load low residue.*/
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movq mm1,[12*8+RESIDUE]
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/*#6 Load high residue.*/
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movq mm2,[13*8+RESIDUE]
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/*#7 Load low residue.*/
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movq mm3,[14*8+RESIDUE]
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/*#7 Load high residue.*/
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movq mm4,[15*8+RESIDUE]
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/*#6 Bias low residue.*/
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paddsw mm1,mm0
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/*#6 Bias high residue.*/
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paddsw mm2,mm0
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/*#6 Pack to byte.*/
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packuswb mm1,mm2
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/*#7 Bias low residue.*/
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paddsw mm3,mm0
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/*#7 Bias high residue.*/
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paddsw mm4,mm0
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/*#7 Pack to byte.*/
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packuswb mm3,mm4
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/*#6 Write row.*/
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movq [DST4+YSTRIDE*2],mm1
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/*#7 Write row.*/
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movq [DST4+YSTRIDE3],mm3
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#undef DST
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#undef DST4
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#undef YSTRIDE
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#undef YSTRIDE3
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#undef RESIDUE
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}
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}
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void oc_frag_recon_inter_mmx(unsigned char *_dst,const unsigned char *_src,
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int _ystride,const ogg_int16_t *_residue){
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int i;
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/*Zero mm0.*/
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__asm pxor mm0,mm0;
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for(i=4;i-->0;){
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__asm{
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#define DST edx
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#define SRC ecx
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#define YSTRIDE edi
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#define RESIDUE eax
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mov DST,_dst
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mov SRC,_src
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mov YSTRIDE,_ystride
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mov RESIDUE,_residue
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/*#0 Load source.*/
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movq mm3,[SRC]
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/*#1 Load source.*/
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movq mm7,[SRC+YSTRIDE]
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/*#0 Get copy of src.*/
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movq mm4,mm3
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/*#0 Expand high source.*/
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punpckhbw mm4,mm0
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/*#0 Expand low source.*/
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punpcklbw mm3,mm0
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/*#0 Add residue high.*/
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paddsw mm4,[8+RESIDUE]
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/*#1 Get copy of src.*/
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movq mm2,mm7
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/*#0 Add residue low.*/
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paddsw mm3,[RESIDUE]
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/*#1 Expand high source.*/
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punpckhbw mm2,mm0
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/*#0 Pack final row pixels.*/
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packuswb mm3,mm4
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/*#1 Expand low source.*/
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punpcklbw mm7,mm0
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/*#1 Add residue low.*/
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paddsw mm7,[16+RESIDUE]
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/*#1 Add residue high.*/
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paddsw mm2,[24+RESIDUE]
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/*Advance residue.*/
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lea RESIDUE,[32+RESIDUE]
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/*#1 Pack final row pixels.*/
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packuswb mm7,mm2
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/*Advance src.*/
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lea SRC,[SRC+YSTRIDE*2]
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/*#0 Write row.*/
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movq [DST],mm3
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/*#1 Write row.*/
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movq [DST+YSTRIDE],mm7
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/*Advance dst.*/
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lea DST,[DST+YSTRIDE*2]
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mov _residue,RESIDUE
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mov _dst,DST
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mov _src,SRC
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#undef DST
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#undef SRC
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#undef YSTRIDE
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#undef RESIDUE
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}
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}
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}
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void oc_frag_recon_inter2_mmx(unsigned char *_dst,const unsigned char *_src1,
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const unsigned char *_src2,int _ystride,const ogg_int16_t *_residue){
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int i;
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/*Zero mm7.*/
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__asm pxor mm7,mm7;
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for(i=4;i-->0;){
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__asm{
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#define SRC1 ecx
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#define SRC2 edi
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#define YSTRIDE esi
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#define RESIDUE edx
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#define DST eax
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mov YSTRIDE,_ystride
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mov DST,_dst
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mov RESIDUE,_residue
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mov SRC1,_src1
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mov SRC2,_src2
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/*#0 Load src1.*/
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movq mm0,[SRC1]
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/*#0 Load src2.*/
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movq mm2,[SRC2]
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/*#0 Copy src1.*/
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movq mm1,mm0
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/*#0 Copy src2.*/
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movq mm3,mm2
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/*#1 Load src1.*/
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movq mm4,[SRC1+YSTRIDE]
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/*#0 Unpack lower src1.*/
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punpcklbw mm0,mm7
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/*#1 Load src2.*/
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movq mm5,[SRC2+YSTRIDE]
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/*#0 Unpack higher src1.*/
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punpckhbw mm1,mm7
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/*#0 Unpack lower src2.*/
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punpcklbw mm2,mm7
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/*#0 Unpack higher src2.*/
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punpckhbw mm3,mm7
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/*Advance src1 ptr.*/
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lea SRC1,[SRC1+YSTRIDE*2]
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/*Advance src2 ptr.*/
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lea SRC2,[SRC2+YSTRIDE*2]
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/*#0 Lower src1+src2.*/
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paddsw mm0,mm2
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/*#0 Higher src1+src2.*/
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paddsw mm1,mm3
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/*#1 Copy src1.*/
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movq mm2,mm4
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/*#0 Build lo average.*/
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psraw mm0,1
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/*#1 Copy src2.*/
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movq mm3,mm5
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/*#1 Unpack lower src1.*/
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punpcklbw mm4,mm7
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/*#0 Build hi average.*/
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psraw mm1,1
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/*#1 Unpack higher src1.*/
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punpckhbw mm2,mm7
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/*#0 low+=residue.*/
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paddsw mm0,[RESIDUE]
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/*#1 Unpack lower src2.*/
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punpcklbw mm5,mm7
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/*#0 high+=residue.*/
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paddsw mm1,[8+RESIDUE]
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/*#1 Unpack higher src2.*/
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punpckhbw mm3,mm7
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/*#1 Lower src1+src2.*/
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paddsw mm5,mm4
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/*#0 Pack and saturate.*/
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packuswb mm0,mm1
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/*#1 Higher src1+src2.*/
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paddsw mm3,mm2
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/*#0 Write row.*/
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movq [DST],mm0
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/*#1 Build lo average.*/
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psraw mm5,1
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/*#1 Build hi average.*/
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psraw mm3,1
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/*#1 low+=residue.*/
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paddsw mm5,[16+RESIDUE]
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/*#1 high+=residue.*/
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paddsw mm3,[24+RESIDUE]
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/*#1 Pack and saturate.*/
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packuswb mm5,mm3
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/*#1 Write row ptr.*/
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movq [DST+YSTRIDE],mm5
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/*Advance residue ptr.*/
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add RESIDUE,32
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/*Advance dest ptr.*/
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lea DST,[DST+YSTRIDE*2]
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mov _dst,DST
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mov _residue,RESIDUE
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mov _src1,SRC1
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mov _src2,SRC2
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#undef SRC1
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#undef SRC2
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#undef YSTRIDE
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#undef RESIDUE
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#undef DST
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}
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}
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}
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void oc_restore_fpu_mmx(void){
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__asm emms;
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}
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#endif
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