src/parsec/disk-image/parsec/parsec-benchmark/pkgs/apps/x264/src/common/x86/mc-c.c - public/gem5-resources - Git at Google

 /*****************************************************************************
  * mc-c.c: h264 encoder library (Motion Compensation)
  *****************************************************************************
  * Copyright (C) 2003-2008 x264 project
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *          Loren Merritt <lorenm@u.washington.edu>
  *          Jason Garrett-Glaser <darkshikari@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
  *****************************************************************************/

 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>

 #include "common/common.h"
 #include "mc.h"

 #define DECL_SUF( func, args )\
     void func##_mmxext args;\
     void func##_sse2 args;\
     void func##_ssse3 args;

 DECL_SUF( x264_pixel_avg_16x16, ( uint8_t *, int, uint8_t *, int, uint8_t *, int, int ))
 DECL_SUF( x264_pixel_avg_16x8,  ( uint8_t *, int, uint8_t *, int, uint8_t *, int, int ))
 DECL_SUF( x264_pixel_avg_8x16,  ( uint8_t *, int, uint8_t *, int, uint8_t *, int, int ))
 DECL_SUF( x264_pixel_avg_8x8,   ( uint8_t *, int, uint8_t *, int, uint8_t *, int, int ))
 DECL_SUF( x264_pixel_avg_8x4,   ( uint8_t *, int, uint8_t *, int, uint8_t *, int, int ))
 DECL_SUF( x264_pixel_avg_4x8,   ( uint8_t *, int, uint8_t *, int, uint8_t *, int, int ))
 DECL_SUF( x264_pixel_avg_4x4,   ( uint8_t *, int, uint8_t *, int, uint8_t *, int, int ))
 DECL_SUF( x264_pixel_avg_4x2,   ( uint8_t *, int, uint8_t *, int, uint8_t *, int, int ))
 extern void x264_mc_copy_w4_mmx( uint8_t *, int, uint8_t *, int, int );
 extern void x264_mc_copy_w8_mmx( uint8_t *, int, uint8_t *, int, int );
 extern void x264_mc_copy_w16_mmx( uint8_t *, int, uint8_t *, int, int );
 extern void x264_mc_copy_w16_sse2( uint8_t *, int, uint8_t *, int, int );
 extern void x264_mc_copy_w16_sse3( uint8_t *, int, uint8_t *, int, int );
 extern void x264_mc_copy_w16_aligned_sse2( uint8_t *, int, uint8_t *, int, int );
 extern void x264_prefetch_fenc_mmxext( uint8_t *, int, uint8_t *, int, int );
 extern void x264_prefetch_ref_mmxext( uint8_t *, int, int );
 extern void x264_mc_chroma_mmxext( uint8_t *src, int i_src_stride,
                                    uint8_t *dst, int i_dst_stride,
                                    int dx, int dy, int i_width, int i_height );
 extern void x264_mc_chroma_sse2( uint8_t *src, int i_src_stride,
                                  uint8_t *dst, int i_dst_stride,
                                  int dx, int dy, int i_width, int i_height );
 extern void x264_mc_chroma_ssse3( uint8_t *src, int i_src_stride,
                                   uint8_t *dst, int i_dst_stride,
                                   int dx, int dy, int i_width, int i_height );
 extern void x264_plane_copy_mmxext( uint8_t *, int, uint8_t *, int, int w, int h);
 extern void *x264_memcpy_aligned_mmx( void * dst, const void * src, size_t n );
 extern void *x264_memcpy_aligned_sse2( void * dst, const void * src, size_t n );
 extern void x264_memzero_aligned_mmx( void * dst, int n );
 extern void x264_memzero_aligned_sse2( void * dst, int n );
 #define LOWRES(cpu) \
 extern void x264_frame_init_lowres_core_##cpu( uint8_t *src0, uint8_t *dst0, uint8_t *dsth, uint8_t *dstv, uint8_t *dstc,\
                                                int src_stride, int dst_stride, int width, int height );
 LOWRES(mmxext)
 LOWRES(cache32_mmxext)
 LOWRES(sse2)
 LOWRES(ssse3)

 #define PIXEL_AVG_W(width,cpu)\
 extern void x264_pixel_avg2_w##width##_##cpu( uint8_t *, int, uint8_t *, int, uint8_t *, int );
 /* This declares some functions that don't exist, but that isn't a problem. */
 #define PIXEL_AVG_WALL(cpu)\
 PIXEL_AVG_W(4,cpu); PIXEL_AVG_W(8,cpu); PIXEL_AVG_W(12,cpu); PIXEL_AVG_W(16,cpu); PIXEL_AVG_W(20,cpu);

 PIXEL_AVG_WALL(mmxext)
 PIXEL_AVG_WALL(cache32_mmxext)
 PIXEL_AVG_WALL(cache64_mmxext)
 PIXEL_AVG_WALL(cache64_sse2)
 PIXEL_AVG_WALL(sse2)
 PIXEL_AVG_WALL(sse2_misalign)

 #define PIXEL_AVG_WTAB(instr, name1, name2, name3, name4, name5)\
 static void (* const x264_pixel_avg_wtab_##instr[6])( uint8_t *, int, uint8_t *, int, uint8_t *, int ) =\
 {\
     NULL,\
     x264_pixel_avg2_w4_##name1,\
     x264_pixel_avg2_w8_##name2,\
     x264_pixel_avg2_w12_##name3,\
     x264_pixel_avg2_w16_##name4,\
     x264_pixel_avg2_w20_##name5,\
 };

 /* w16 sse2 is faster than w12 mmx as long as the cacheline issue is resolved */
 #define x264_pixel_avg2_w12_cache64_sse2 x264_pixel_avg2_w16_cache64_sse2
 #define x264_pixel_avg2_w12_sse3         x264_pixel_avg2_w16_sse3
 #define x264_pixel_avg2_w12_sse2         x264_pixel_avg2_w16_sse2

 PIXEL_AVG_WTAB(mmxext, mmxext, mmxext, mmxext, mmxext, mmxext)
 #ifdef ARCH_X86
 PIXEL_AVG_WTAB(cache32_mmxext, mmxext, cache32_mmxext, cache32_mmxext, cache32_mmxext, cache32_mmxext)
 PIXEL_AVG_WTAB(cache64_mmxext, mmxext, cache64_mmxext, cache64_mmxext, cache64_mmxext, cache64_mmxext)
 #endif
 PIXEL_AVG_WTAB(sse2, mmxext, mmxext, sse2, sse2, sse2)
 PIXEL_AVG_WTAB(sse2_misalign, mmxext, mmxext, sse2, sse2, sse2_misalign)
 PIXEL_AVG_WTAB(cache64_sse2, mmxext, cache64_mmxext, cache64_sse2, cache64_sse2, cache64_sse2)

 #define MC_COPY_WTAB(instr, name1, name2, name3)\
 static void (* const x264_mc_copy_wtab_##instr[5])( uint8_t *, int, uint8_t *, int, int ) =\
 {\
     NULL,\
     x264_mc_copy_w4_##name1,\
     x264_mc_copy_w8_##name2,\
     NULL,\
     x264_mc_copy_w16_##name3,\
 };

 MC_COPY_WTAB(mmx,mmx,mmx,mmx)
 MC_COPY_WTAB(sse2,mmx,mmx,sse2)

 static const int hpel_ref0[16] = {0,1,1,1,0,1,1,1,2,3,3,3,0,1,1,1};
 static const int hpel_ref1[16] = {0,0,0,0,2,2,3,2,2,2,3,2,2,2,3,2};

 #define MC_LUMA(name,instr1,instr2)\
 static void mc_luma_##name( uint8_t *dst,    int i_dst_stride,\
                   uint8_t *src[4], int i_src_stride,\
                   int mvx, int mvy,\
                   int i_width, int i_height )\
 {\
     int qpel_idx = ((mvy&3)<<2) + (mvx&3);\
     int offset = (mvy>>2)*i_src_stride + (mvx>>2);\
     uint8_t *src1 = src[hpel_ref0[qpel_idx]] + offset + ((mvy&3) == 3) * i_src_stride;\
     if( qpel_idx & 5 ) /* qpel interpolation needed */\
     {\
         uint8_t *src2 = src[hpel_ref1[qpel_idx]] + offset + ((mvx&3) == 3);\
         x264_pixel_avg_wtab_##instr1[i_width>>2](\
                 dst, i_dst_stride, src1, i_src_stride,\
                 src2, i_height );\
     }\
     else\
     {\
         x264_mc_copy_wtab_##instr2[i_width>>2](\
                 dst, i_dst_stride, src1, i_src_stride, i_height );\
     }\
 }

 MC_LUMA(mmxext,mmxext,mmx)
 #ifdef ARCH_X86
 MC_LUMA(cache32_mmxext,cache32_mmxext,mmx)
 MC_LUMA(cache64_mmxext,cache64_mmxext,mmx)
 #endif
 MC_LUMA(sse2,sse2,sse2)
 MC_LUMA(cache64_sse2,cache64_sse2,sse2)

 #define GET_REF(name)\
 static uint8_t *get_ref_##name( uint8_t *dst,   int *i_dst_stride,\
                          uint8_t *src[4], int i_src_stride,\
                          int mvx, int mvy,\
                          int i_width, int i_height )\
 {\
     int qpel_idx = ((mvy&3)<<2) + (mvx&3);\
     int offset = (mvy>>2)*i_src_stride + (mvx>>2);\
     uint8_t *src1 = src[hpel_ref0[qpel_idx]] + offset + ((mvy&3) == 3) * i_src_stride;\
     if( qpel_idx & 5 ) /* qpel interpolation needed */\
     {\
         uint8_t *src2 = src[hpel_ref1[qpel_idx]] + offset + ((mvx&3) == 3);\
         x264_pixel_avg_wtab_##name[i_width>>2](\
                 dst, *i_dst_stride, src1, i_src_stride,\
                 src2, i_height );\
         return dst;\
     }\
     else\
     {\
         *i_dst_stride = i_src_stride;\
         return src1;\
     }\
 }

 GET_REF(mmxext)
 #ifdef ARCH_X86
 GET_REF(cache32_mmxext)
 GET_REF(cache64_mmxext)
 #endif
 GET_REF(sse2)
 GET_REF(sse2_misalign)
 GET_REF(cache64_sse2)

 #define HPEL(align, cpu, cpuv, cpuc, cpuh)\
 void x264_hpel_filter_v_##cpuv( uint8_t *dst, uint8_t *src, int16_t *buf, int stride, int width);\
 void x264_hpel_filter_c_##cpuc( uint8_t *dst, int16_t *buf, int width );\
 void x264_hpel_filter_h_##cpuh( uint8_t *dst, uint8_t *src, int width );\
 void x264_sfence( void );\
 static void x264_hpel_filter_##cpu( uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, uint8_t *src,\
                              int stride, int width, int height )\
 {\
     int16_t *buf;\
     int realign = (long)src & (align-1);\
     src -= realign;\
     dstv -= realign;\
     dstc -= realign;\
     dsth -= realign;\
     width += realign;\
     buf = x264_malloc((width+16)*sizeof(int16_t));\
     while( height-- )\
     {\
         x264_hpel_filter_v_##cpuv( dstv, src, buf+8, stride, width );\
         x264_hpel_filter_c_##cpuc( dstc, buf+8, width );\
         x264_hpel_filter_h_##cpuh( dsth, src, width );\
         dsth += stride;\
         dstv += stride;\
         dstc += stride;\
         src  += stride;\
     }\
     x264_sfence();\
     x264_free(buf);\
 }

 HPEL(8, mmxext, mmxext, mmxext, mmxext)
 HPEL(16, sse2_amd, mmxext, mmxext, sse2)
 #ifdef ARCH_X86_64
 void x264_hpel_filter_sse2( uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, uint8_t *src, int stride, int width, int height );
 void x264_hpel_filter_ssse3( uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, uint8_t *src, int stride, int width, int height );
 #else
 HPEL(16, sse2, sse2, sse2, sse2)
 HPEL(16, ssse3, sse2, ssse3, ssse3)
 #endif
 HPEL(16, sse2_misalign, sse2, sse2_misalign, sse2)

 void x264_mc_init_mmx( int cpu, x264_mc_functions_t *pf )
 {
     if( !(cpu&X264_CPU_MMX) )
         return;

     pf->copy_16x16_unaligned = x264_mc_copy_w16_mmx;
     pf->copy[PIXEL_16x16] = x264_mc_copy_w16_mmx;
     pf->copy[PIXEL_8x8]   = x264_mc_copy_w8_mmx;
     pf->copy[PIXEL_4x4]   = x264_mc_copy_w4_mmx;
     pf->memcpy_aligned = x264_memcpy_aligned_mmx;
     pf->memzero_aligned = x264_memzero_aligned_mmx;

     if( !(cpu&X264_CPU_MMXEXT) )
         return;

     pf->mc_luma = mc_luma_mmxext;
     pf->get_ref = get_ref_mmxext;
     pf->mc_chroma = x264_mc_chroma_mmxext;

     pf->avg[PIXEL_16x16] = x264_pixel_avg_16x16_mmxext;
     pf->avg[PIXEL_16x8]  = x264_pixel_avg_16x8_mmxext;
     pf->avg[PIXEL_8x16]  = x264_pixel_avg_8x16_mmxext;
     pf->avg[PIXEL_8x8]   = x264_pixel_avg_8x8_mmxext;
     pf->avg[PIXEL_8x4]   = x264_pixel_avg_8x4_mmxext;
     pf->avg[PIXEL_4x8]   = x264_pixel_avg_4x8_mmxext;
     pf->avg[PIXEL_4x4]   = x264_pixel_avg_4x4_mmxext;
     pf->avg[PIXEL_4x2]   = x264_pixel_avg_4x2_mmxext;

     pf->plane_copy = x264_plane_copy_mmxext;
     pf->hpel_filter = x264_hpel_filter_mmxext;
     pf->frame_init_lowres_core = x264_frame_init_lowres_core_mmxext;

     pf->prefetch_fenc = x264_prefetch_fenc_mmxext;
     pf->prefetch_ref  = x264_prefetch_ref_mmxext;

 #ifdef ARCH_X86 // all x86_64 cpus with cacheline split issues use sse2 instead
     if( cpu&X264_CPU_CACHELINE_32 )
     {
         pf->mc_luma = mc_luma_cache32_mmxext;
         pf->get_ref = get_ref_cache32_mmxext;
         pf->frame_init_lowres_core = x264_frame_init_lowres_core_cache32_mmxext;
     }
     else if( cpu&X264_CPU_CACHELINE_64 )
     {
         pf->mc_luma = mc_luma_cache64_mmxext;
         pf->get_ref = get_ref_cache64_mmxext;
         pf->frame_init_lowres_core = x264_frame_init_lowres_core_cache32_mmxext;
     }
 #endif

     if( !(cpu&X264_CPU_SSE2) )
         return;

     pf->memcpy_aligned = x264_memcpy_aligned_sse2;
     pf->memzero_aligned = x264_memzero_aligned_sse2;
     pf->hpel_filter = x264_hpel_filter_sse2_amd;

     if( cpu&X264_CPU_SSE2_IS_SLOW )
         return;

     pf->copy[PIXEL_16x16] = x264_mc_copy_w16_aligned_sse2;
     pf->avg[PIXEL_16x16] = x264_pixel_avg_16x16_sse2;
     pf->avg[PIXEL_16x8]  = x264_pixel_avg_16x8_sse2;
     pf->avg[PIXEL_8x16] = x264_pixel_avg_8x16_sse2;
     pf->avg[PIXEL_8x8]  = x264_pixel_avg_8x8_sse2;
     pf->avg[PIXEL_8x4]  = x264_pixel_avg_8x4_sse2;
     pf->hpel_filter = x264_hpel_filter_sse2;
     if( cpu&X264_CPU_SSE_MISALIGN )
         pf->hpel_filter = x264_hpel_filter_sse2_misalign;
     pf->frame_init_lowres_core = x264_frame_init_lowres_core_sse2;
     pf->mc_chroma = x264_mc_chroma_sse2;

     if( cpu&X264_CPU_SSE2_IS_FAST )
     {
         pf->mc_luma = mc_luma_sse2;
         pf->get_ref = get_ref_sse2;
         if( cpu&X264_CPU_CACHELINE_64 )
         {
             pf->mc_luma = mc_luma_cache64_sse2;
             pf->get_ref = get_ref_cache64_sse2;
         }
         if( cpu&X264_CPU_SSE_MISALIGN )
             pf->get_ref = get_ref_sse2_misalign;
     }

     if( !(cpu&X264_CPU_SSSE3) )
         return;

     pf->avg[PIXEL_16x16] = x264_pixel_avg_16x16_ssse3;
     pf->avg[PIXEL_16x8]  = x264_pixel_avg_16x8_ssse3;
     pf->avg[PIXEL_8x16]  = x264_pixel_avg_8x16_ssse3;
     pf->avg[PIXEL_8x8]   = x264_pixel_avg_8x8_ssse3;
     pf->avg[PIXEL_8x4]   = x264_pixel_avg_8x4_ssse3;
     pf->avg[PIXEL_4x8]   = x264_pixel_avg_4x8_ssse3;
     pf->avg[PIXEL_4x4]   = x264_pixel_avg_4x4_ssse3;
     pf->avg[PIXEL_4x2]   = x264_pixel_avg_4x2_ssse3;

     pf->hpel_filter = x264_hpel_filter_ssse3;
     pf->frame_init_lowres_core = x264_frame_init_lowres_core_ssse3;
     pf->mc_chroma = x264_mc_chroma_ssse3;
 }
	/*****************************************************************************
	* mc-c.c: h264 encoder library (Motion Compensation)
	*****************************************************************************
	* Copyright (C) 2003-2008 x264 project
	*
	* Authors: Laurent Aimar <fenrir@via.ecp.fr>
	* Loren Merritt <lorenm@u.washington.edu>
	* Jason Garrett-Glaser <darkshikari@gmail.com>
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
	*****************************************************************************/

	#include <stdlib.h>
	#include <stdio.h>
	#include <string.h>

	#include "common/common.h"
	#include "mc.h"

	#define DECL_SUF( func, args )\
	void func##_mmxext args;\
	void func##_sse2 args;\
	void func##_ssse3 args;

	DECL_SUF( x264_pixel_avg_16x16, ( uint8_t , int, uint8_t , int, uint8_t *, int, int ))
	DECL_SUF( x264_pixel_avg_16x8, ( uint8_t , int, uint8_t , int, uint8_t *, int, int ))
	DECL_SUF( x264_pixel_avg_8x16, ( uint8_t , int, uint8_t , int, uint8_t *, int, int ))
	DECL_SUF( x264_pixel_avg_8x8, ( uint8_t , int, uint8_t , int, uint8_t *, int, int ))
	DECL_SUF( x264_pixel_avg_8x4, ( uint8_t , int, uint8_t , int, uint8_t *, int, int ))
	DECL_SUF( x264_pixel_avg_4x8, ( uint8_t , int, uint8_t , int, uint8_t *, int, int ))
	DECL_SUF( x264_pixel_avg_4x4, ( uint8_t , int, uint8_t , int, uint8_t *, int, int ))
	DECL_SUF( x264_pixel_avg_4x2, ( uint8_t , int, uint8_t , int, uint8_t *, int, int ))
	extern void x264_mc_copy_w4_mmx( uint8_t , int, uint8_t , int, int );
	extern void x264_mc_copy_w8_mmx( uint8_t , int, uint8_t , int, int );
	extern void x264_mc_copy_w16_mmx( uint8_t , int, uint8_t , int, int );
	extern void x264_mc_copy_w16_sse2( uint8_t , int, uint8_t , int, int );
	extern void x264_mc_copy_w16_sse3( uint8_t , int, uint8_t , int, int );
	extern void x264_mc_copy_w16_aligned_sse2( uint8_t , int, uint8_t , int, int );
	extern void x264_prefetch_fenc_mmxext( uint8_t , int, uint8_t , int, int );
	extern void x264_prefetch_ref_mmxext( uint8_t *, int, int );
	extern void x264_mc_chroma_mmxext( uint8_t *src, int i_src_stride,
	uint8_t *dst, int i_dst_stride,
	int dx, int dy, int i_width, int i_height );
	extern void x264_mc_chroma_sse2( uint8_t *src, int i_src_stride,
	uint8_t *dst, int i_dst_stride,
	int dx, int dy, int i_width, int i_height );
	extern void x264_mc_chroma_ssse3( uint8_t *src, int i_src_stride,
	uint8_t *dst, int i_dst_stride,
	int dx, int dy, int i_width, int i_height );
	extern void x264_plane_copy_mmxext( uint8_t , int, uint8_t , int, int w, int h);
	extern void x264_memcpy_aligned_mmx( void dst, const void * src, size_t n );
	extern void x264_memcpy_aligned_sse2( void dst, const void * src, size_t n );
	extern void x264_memzero_aligned_mmx( void * dst, int n );
	extern void x264_memzero_aligned_sse2( void * dst, int n );
	#define LOWRES(cpu) \
	extern void x264_frame_init_lowres_core_##cpu( uint8_t src0, uint8_t dst0, uint8_t dsth, uint8_t dstv, uint8_t *dstc,\
	int src_stride, int dst_stride, int width, int height );
	LOWRES(mmxext)
	LOWRES(cache32_mmxext)
	LOWRES(sse2)
	LOWRES(ssse3)

	#define PIXEL_AVG_W(width,cpu)\
	extern void x264_pixel_avg2_w##width##_##cpu( uint8_t , int, uint8_t , int, uint8_t *, int );
	/* This declares some functions that don't exist, but that isn't a problem. */
	#define PIXEL_AVG_WALL(cpu)\
	PIXEL_AVG_W(4,cpu); PIXEL_AVG_W(8,cpu); PIXEL_AVG_W(12,cpu); PIXEL_AVG_W(16,cpu); PIXEL_AVG_W(20,cpu);

	PIXEL_AVG_WALL(mmxext)
	PIXEL_AVG_WALL(cache32_mmxext)
	PIXEL_AVG_WALL(cache64_mmxext)
	PIXEL_AVG_WALL(cache64_sse2)
	PIXEL_AVG_WALL(sse2)
	PIXEL_AVG_WALL(sse2_misalign)

	#define PIXEL_AVG_WTAB(instr, name1, name2, name3, name4, name5)\
	static void (* const x264_pixel_avg_wtab_##instr[6])( uint8_t , int, uint8_t , int, uint8_t *, int ) =\
	{\
	NULL,\
	x264_pixel_avg2_w4_##name1,\
	x264_pixel_avg2_w8_##name2,\
	x264_pixel_avg2_w12_##name3,\
	x264_pixel_avg2_w16_##name4,\
	x264_pixel_avg2_w20_##name5,\
	};

	/* w16 sse2 is faster than w12 mmx as long as the cacheline issue is resolved */
	#define x264_pixel_avg2_w12_cache64_sse2 x264_pixel_avg2_w16_cache64_sse2
	#define x264_pixel_avg2_w12_sse3 x264_pixel_avg2_w16_sse3
	#define x264_pixel_avg2_w12_sse2 x264_pixel_avg2_w16_sse2

	PIXEL_AVG_WTAB(mmxext, mmxext, mmxext, mmxext, mmxext, mmxext)
	#ifdef ARCH_X86
	PIXEL_AVG_WTAB(cache32_mmxext, mmxext, cache32_mmxext, cache32_mmxext, cache32_mmxext, cache32_mmxext)
	PIXEL_AVG_WTAB(cache64_mmxext, mmxext, cache64_mmxext, cache64_mmxext, cache64_mmxext, cache64_mmxext)
	#endif
	PIXEL_AVG_WTAB(sse2, mmxext, mmxext, sse2, sse2, sse2)
	PIXEL_AVG_WTAB(sse2_misalign, mmxext, mmxext, sse2, sse2, sse2_misalign)
	PIXEL_AVG_WTAB(cache64_sse2, mmxext, cache64_mmxext, cache64_sse2, cache64_sse2, cache64_sse2)

	#define MC_COPY_WTAB(instr, name1, name2, name3)\
	static void (* const x264_mc_copy_wtab_##instr[5])( uint8_t , int, uint8_t , int, int ) =\
	{\
	NULL,\
	x264_mc_copy_w4_##name1,\
	x264_mc_copy_w8_##name2,\
	NULL,\
	x264_mc_copy_w16_##name3,\
	};

	MC_COPY_WTAB(mmx,mmx,mmx,mmx)
	MC_COPY_WTAB(sse2,mmx,mmx,sse2)

	static const int hpel_ref0[16] = {0,1,1,1,0,1,1,1,2,3,3,3,0,1,1,1};
	static const int hpel_ref1[16] = {0,0,0,0,2,2,3,2,2,2,3,2,2,2,3,2};

	#define MC_LUMA(name,instr1,instr2)\
	static void mc_luma_##name( uint8_t *dst, int i_dst_stride,\
	uint8_t *src[4], int i_src_stride,\
	int mvx, int mvy,\
	int i_width, int i_height )\
	{\
	int qpel_idx = ((mvy&3)<<2) + (mvx&3);\
	int offset = (mvy>>2)*i_src_stride + (mvx>>2);\
	uint8_t src1 = src[hpel_ref0[qpel_idx]] + offset + ((mvy&3) == 3) i_src_stride;\
	if( qpel_idx & 5 ) /* qpel interpolation needed */\
	{\
	uint8_t *src2 = src[hpel_ref1[qpel_idx]] + offset + ((mvx&3) == 3);\
	x264_pixel_avg_wtab_##instr1[i_width>>2](\
	dst, i_dst_stride, src1, i_src_stride,\
	src2, i_height );\
	}\
	else\
	{\
	x264_mc_copy_wtab_##instr2[i_width>>2](\
	dst, i_dst_stride, src1, i_src_stride, i_height );\
	}\
	}

	MC_LUMA(mmxext,mmxext,mmx)
	#ifdef ARCH_X86
	MC_LUMA(cache32_mmxext,cache32_mmxext,mmx)
	MC_LUMA(cache64_mmxext,cache64_mmxext,mmx)
	#endif
	MC_LUMA(sse2,sse2,sse2)
	MC_LUMA(cache64_sse2,cache64_sse2,sse2)

	#define GET_REF(name)\
	static uint8_t get_ref_##name( uint8_t dst, int *i_dst_stride,\
	uint8_t *src[4], int i_src_stride,\
	int mvx, int mvy,\
	int i_width, int i_height )\
	{\
	int qpel_idx = ((mvy&3)<<2) + (mvx&3);\
	int offset = (mvy>>2)*i_src_stride + (mvx>>2);\
	uint8_t src1 = src[hpel_ref0[qpel_idx]] + offset + ((mvy&3) == 3) i_src_stride;\
	if( qpel_idx & 5 ) /* qpel interpolation needed */\
	{\
	uint8_t *src2 = src[hpel_ref1[qpel_idx]] + offset + ((mvx&3) == 3);\
	x264_pixel_avg_wtab_##name[i_width>>2](\
	dst, *i_dst_stride, src1, i_src_stride,\
	src2, i_height );\
	return dst;\
	}\
	else\
	{\
	*i_dst_stride = i_src_stride;\
	return src1;\
	}\
	}

	GET_REF(mmxext)
	#ifdef ARCH_X86
	GET_REF(cache32_mmxext)
	GET_REF(cache64_mmxext)
	#endif
	GET_REF(sse2)
	GET_REF(sse2_misalign)
	GET_REF(cache64_sse2)

	#define HPEL(align, cpu, cpuv, cpuc, cpuh)\
	void x264_hpel_filter_v_##cpuv( uint8_t dst, uint8_t src, int16_t *buf, int stride, int width);\
	void x264_hpel_filter_c_##cpuc( uint8_t dst, int16_t buf, int width );\
	void x264_hpel_filter_h_##cpuh( uint8_t dst, uint8_t src, int width );\
	void x264_sfence( void );\
	static void x264_hpel_filter_##cpu( uint8_t dsth, uint8_t dstv, uint8_t dstc, uint8_t src,\
	int stride, int width, int height )\
	{\
	int16_t *buf;\
	int realign = (long)src & (align-1);\
	src -= realign;\
	dstv -= realign;\
	dstc -= realign;\
	dsth -= realign;\
	width += realign;\
	buf = x264_malloc((width+16)*sizeof(int16_t));\
	while( height-- )\
	{\
	x264_hpel_filter_v_##cpuv( dstv, src, buf+8, stride, width );\
	x264_hpel_filter_c_##cpuc( dstc, buf+8, width );\
	x264_hpel_filter_h_##cpuh( dsth, src, width );\
	dsth += stride;\
	dstv += stride;\
	dstc += stride;\
	src += stride;\
	}\
	x264_sfence();\
	x264_free(buf);\
	}

	HPEL(8, mmxext, mmxext, mmxext, mmxext)
	HPEL(16, sse2_amd, mmxext, mmxext, sse2)
	#ifdef ARCH_X86_64
	void x264_hpel_filter_sse2( uint8_t dsth, uint8_t dstv, uint8_t dstc, uint8_t src, int stride, int width, int height );
	void x264_hpel_filter_ssse3( uint8_t dsth, uint8_t dstv, uint8_t dstc, uint8_t src, int stride, int width, int height );
	#else
	HPEL(16, sse2, sse2, sse2, sse2)
	HPEL(16, ssse3, sse2, ssse3, ssse3)
	#endif
	HPEL(16, sse2_misalign, sse2, sse2_misalign, sse2)

	void x264_mc_init_mmx( int cpu, x264_mc_functions_t *pf )
	{
	if( !(cpu&X264_CPU_MMX) )
	return;

	pf->copy_16x16_unaligned = x264_mc_copy_w16_mmx;
	pf->copy[PIXEL_16x16] = x264_mc_copy_w16_mmx;
	pf->copy[PIXEL_8x8] = x264_mc_copy_w8_mmx;
	pf->copy[PIXEL_4x4] = x264_mc_copy_w4_mmx;
	pf->memcpy_aligned = x264_memcpy_aligned_mmx;
	pf->memzero_aligned = x264_memzero_aligned_mmx;

	if( !(cpu&X264_CPU_MMXEXT) )
	return;

	pf->mc_luma = mc_luma_mmxext;
	pf->get_ref = get_ref_mmxext;
	pf->mc_chroma = x264_mc_chroma_mmxext;

	pf->avg[PIXEL_16x16] = x264_pixel_avg_16x16_mmxext;
	pf->avg[PIXEL_16x8] = x264_pixel_avg_16x8_mmxext;
	pf->avg[PIXEL_8x16] = x264_pixel_avg_8x16_mmxext;
	pf->avg[PIXEL_8x8] = x264_pixel_avg_8x8_mmxext;
	pf->avg[PIXEL_8x4] = x264_pixel_avg_8x4_mmxext;
	pf->avg[PIXEL_4x8] = x264_pixel_avg_4x8_mmxext;
	pf->avg[PIXEL_4x4] = x264_pixel_avg_4x4_mmxext;
	pf->avg[PIXEL_4x2] = x264_pixel_avg_4x2_mmxext;

	pf->plane_copy = x264_plane_copy_mmxext;
	pf->hpel_filter = x264_hpel_filter_mmxext;
	pf->frame_init_lowres_core = x264_frame_init_lowres_core_mmxext;

	pf->prefetch_fenc = x264_prefetch_fenc_mmxext;
	pf->prefetch_ref = x264_prefetch_ref_mmxext;

	#ifdef ARCH_X86 // all x86_64 cpus with cacheline split issues use sse2 instead
	if( cpu&X264_CPU_CACHELINE_32 )
	{
	pf->mc_luma = mc_luma_cache32_mmxext;
	pf->get_ref = get_ref_cache32_mmxext;
	pf->frame_init_lowres_core = x264_frame_init_lowres_core_cache32_mmxext;
	}
	else if( cpu&X264_CPU_CACHELINE_64 )
	{
	pf->mc_luma = mc_luma_cache64_mmxext;
	pf->get_ref = get_ref_cache64_mmxext;
	pf->frame_init_lowres_core = x264_frame_init_lowres_core_cache32_mmxext;
	}
	#endif

	if( !(cpu&X264_CPU_SSE2) )
	return;

	pf->memcpy_aligned = x264_memcpy_aligned_sse2;
	pf->memzero_aligned = x264_memzero_aligned_sse2;
	pf->hpel_filter = x264_hpel_filter_sse2_amd;

	if( cpu&X264_CPU_SSE2_IS_SLOW )
	return;

	pf->copy[PIXEL_16x16] = x264_mc_copy_w16_aligned_sse2;
	pf->avg[PIXEL_16x16] = x264_pixel_avg_16x16_sse2;
	pf->avg[PIXEL_16x8] = x264_pixel_avg_16x8_sse2;
	pf->avg[PIXEL_8x16] = x264_pixel_avg_8x16_sse2;
	pf->avg[PIXEL_8x8] = x264_pixel_avg_8x8_sse2;
	pf->avg[PIXEL_8x4] = x264_pixel_avg_8x4_sse2;
	pf->hpel_filter = x264_hpel_filter_sse2;
	if( cpu&X264_CPU_SSE_MISALIGN )
	pf->hpel_filter = x264_hpel_filter_sse2_misalign;
	pf->frame_init_lowres_core = x264_frame_init_lowres_core_sse2;
	pf->mc_chroma = x264_mc_chroma_sse2;

	if( cpu&X264_CPU_SSE2_IS_FAST )
	{
	pf->mc_luma = mc_luma_sse2;
	pf->get_ref = get_ref_sse2;
	if( cpu&X264_CPU_CACHELINE_64 )
	{
	pf->mc_luma = mc_luma_cache64_sse2;
	pf->get_ref = get_ref_cache64_sse2;
	}
	if( cpu&X264_CPU_SSE_MISALIGN )
	pf->get_ref = get_ref_sse2_misalign;
	}

	if( !(cpu&X264_CPU_SSSE3) )
	return;

	pf->avg[PIXEL_16x16] = x264_pixel_avg_16x16_ssse3;
	pf->avg[PIXEL_16x8] = x264_pixel_avg_16x8_ssse3;
	pf->avg[PIXEL_8x16] = x264_pixel_avg_8x16_ssse3;
	pf->avg[PIXEL_8x8] = x264_pixel_avg_8x8_ssse3;
	pf->avg[PIXEL_8x4] = x264_pixel_avg_8x4_ssse3;
	pf->avg[PIXEL_4x8] = x264_pixel_avg_4x8_ssse3;
	pf->avg[PIXEL_4x4] = x264_pixel_avg_4x4_ssse3;
	pf->avg[PIXEL_4x2] = x264_pixel_avg_4x2_ssse3;

	pf->hpel_filter = x264_hpel_filter_ssse3;
	pf->frame_init_lowres_core = x264_frame_init_lowres_core_ssse3;
	pf->mc_chroma = x264_mc_chroma_ssse3;
	}