git.sesse.net Git - x264/blob - common/x86/mc-c.c

   1 /*****************************************************************************
   2  * mc-c.c: x86 motion compensation
   3  *****************************************************************************
   4  * Copyright (C) 2003-2013 x264 project
   5  *
   6  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   7  *          Loren Merritt <lorenm@u.washington.edu>
   8  *          Fiona Glaser <fiona@x264.com>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
  23  *
  24  * This program is also available under a commercial proprietary license.
  25  * For more information, contact us at licensing@x264.com.
  26  *****************************************************************************/
  27
  28 #include <stdlib.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31
  32 #include "common/common.h"
  33 #include "mc.h"
  34
  35 #define DECL_SUF( func, args )\
  36     void func##_mmx2 args;\
  37     void func##_sse2 args;\
  38     void func##_ssse3 args;\
  39     void func##_avx2 args;
  40
  41 DECL_SUF( x264_pixel_avg_16x16, ( pixel *, intptr_t, pixel *, intptr_t, pixel *, intptr_t, int ))
  42 DECL_SUF( x264_pixel_avg_16x8,  ( pixel *, intptr_t, pixel *, intptr_t, pixel *, intptr_t, int ))
  43 DECL_SUF( x264_pixel_avg_8x16,  ( pixel *, intptr_t, pixel *, intptr_t, pixel *, intptr_t, int ))
  44 DECL_SUF( x264_pixel_avg_8x8,   ( pixel *, intptr_t, pixel *, intptr_t, pixel *, intptr_t, int ))
  45 DECL_SUF( x264_pixel_avg_8x4,   ( pixel *, intptr_t, pixel *, intptr_t, pixel *, intptr_t, int ))
  46 DECL_SUF( x264_pixel_avg_4x16,  ( pixel *, intptr_t, pixel *, intptr_t, pixel *, intptr_t, int ))
  47 DECL_SUF( x264_pixel_avg_4x8,   ( pixel *, intptr_t, pixel *, intptr_t, pixel *, intptr_t, int ))
  48 DECL_SUF( x264_pixel_avg_4x4,   ( pixel *, intptr_t, pixel *, intptr_t, pixel *, intptr_t, int ))
  49 DECL_SUF( x264_pixel_avg_4x2,   ( pixel *, intptr_t, pixel *, intptr_t, pixel *, intptr_t, int ))
  50
  51 #define MC_WEIGHT(w,type) \
  52     void x264_mc_weight_w##w##_##type( pixel *, intptr_t, pixel *, intptr_t, const x264_weight_t *, int );
  53
  54 #define MC_WEIGHT_OFFSET(w,type) \
  55     void x264_mc_offsetadd_w##w##_##type( pixel *, intptr_t, pixel *, intptr_t, const x264_weight_t *, int ); \
  56     void x264_mc_offsetsub_w##w##_##type( pixel *, intptr_t, pixel *, intptr_t, const x264_weight_t *, int ); \
  57     MC_WEIGHT(w,type)
  58
  59 MC_WEIGHT_OFFSET( 4, mmx2 )
  60 MC_WEIGHT_OFFSET( 8, mmx2 )
  61 MC_WEIGHT_OFFSET( 12, mmx2 )
  62 MC_WEIGHT_OFFSET( 16, mmx2 )
  63 MC_WEIGHT_OFFSET( 20, mmx2 )
  64 MC_WEIGHT_OFFSET( 12, sse2 )
  65 MC_WEIGHT_OFFSET( 16, sse2 )
  66 MC_WEIGHT_OFFSET( 20, sse2 )
  67 #if HIGH_BIT_DEPTH
  68 MC_WEIGHT_OFFSET( 8, sse2 )
  69 #endif
  70 MC_WEIGHT( 8, sse2  )
  71 MC_WEIGHT( 4, ssse3 )
  72 MC_WEIGHT( 8, ssse3 )
  73 MC_WEIGHT( 12, ssse3 )
  74 MC_WEIGHT( 16, ssse3 )
  75 MC_WEIGHT( 20, ssse3 )
  76 MC_WEIGHT( 8, avx2 )
  77 MC_WEIGHT( 16, avx2 )
  78 MC_WEIGHT( 20, avx2 )
  79 #undef MC_OFFSET
  80 #undef MC_WEIGHT
  81
  82 void x264_mc_copy_w4_mmx ( pixel *, intptr_t, pixel *, intptr_t, int );
  83 void x264_mc_copy_w8_mmx ( pixel *, intptr_t, pixel *, intptr_t, int );
  84 void x264_mc_copy_w8_sse ( pixel *, intptr_t, pixel *, intptr_t, int );
  85 void x264_mc_copy_w16_mmx( pixel *, intptr_t, pixel *, intptr_t, int );
  86 void x264_mc_copy_w16_sse( pixel *, intptr_t, pixel *, intptr_t, int );
  87 void x264_mc_copy_w16_aligned_sse( pixel *, intptr_t, pixel *, intptr_t, int );
  88 void x264_mc_copy_w16_avx( uint16_t *, intptr_t, uint16_t *, intptr_t, int );
  89 void x264_mc_copy_w16_aligned_avx( uint16_t *, intptr_t, uint16_t *, intptr_t, int );
  90 void x264_prefetch_fenc_420_mmx2( pixel *, intptr_t, pixel *, intptr_t, int );
  91 void x264_prefetch_fenc_422_mmx2( pixel *, intptr_t, pixel *, intptr_t, int );
  92 void x264_prefetch_ref_mmx2( pixel *, intptr_t, int );
  93 void x264_plane_copy_core_mmx2( pixel *, intptr_t, pixel *, intptr_t, int w, int h );
  94 void x264_plane_copy_c( pixel *, intptr_t, pixel *, intptr_t, int w, int h );
  95 void x264_plane_copy_interleave_core_mmx2( pixel *dst,  intptr_t i_dst,
  96                                            pixel *srcu, intptr_t i_srcu,
  97                                            pixel *srcv, intptr_t i_srcv, int w, int h );
  98 void x264_plane_copy_interleave_core_sse2( pixel *dst,  intptr_t i_dst,
  99                                            pixel *srcu, intptr_t i_srcu,
 100                                            pixel *srcv, intptr_t i_srcv, int w, int h );
 101 void x264_plane_copy_interleave_core_avx( pixel *dst,  intptr_t i_dst,
 102                                           pixel *srcu, intptr_t i_srcu,
 103                                           pixel *srcv, intptr_t i_srcv, int w, int h );
 104 void x264_plane_copy_interleave_c( pixel *dst,  intptr_t i_dst,
 105                                    pixel *srcu, intptr_t i_srcu,
 106                                    pixel *srcv, intptr_t i_srcv, int w, int h );
 107 void x264_plane_copy_deinterleave_mmx( pixel *dstu, intptr_t i_dstu,
 108                                        pixel *dstv, intptr_t i_dstv,
 109                                        pixel *src,  intptr_t i_src, int w, int h );
 110 void x264_plane_copy_deinterleave_sse2( pixel *dstu, intptr_t i_dstu,
 111                                         pixel *dstv, intptr_t i_dstv,
 112                                         pixel *src,  intptr_t i_src, int w, int h );
 113 void x264_plane_copy_deinterleave_ssse3( uint8_t *dstu, intptr_t i_dstu,
 114                                          uint8_t *dstv, intptr_t i_dstv,
 115                                          uint8_t *src,  intptr_t i_src, int w, int h );
 116 void x264_plane_copy_deinterleave_avx( uint16_t *dstu, intptr_t i_dstu,
 117                                        uint16_t *dstv, intptr_t i_dstv,
 118                                        uint16_t *src,  intptr_t i_src, int w, int h );
 119 void x264_store_interleave_chroma_mmx2( pixel *dst, intptr_t i_dst, pixel *srcu, pixel *srcv, int height );
 120 void x264_store_interleave_chroma_sse2( pixel *dst, intptr_t i_dst, pixel *srcu, pixel *srcv, int height );
 121 void x264_store_interleave_chroma_avx ( pixel *dst, intptr_t i_dst, pixel *srcu, pixel *srcv, int height );
 122 void x264_load_deinterleave_chroma_fenc_mmx ( pixel *dst, pixel *src, intptr_t i_src, int height );
 123 void x264_load_deinterleave_chroma_fenc_sse2( pixel *dst, pixel *src, intptr_t i_src, int height );
 124 void x264_load_deinterleave_chroma_fenc_ssse3( uint8_t *dst, uint8_t *src, intptr_t i_src, int height );
 125 void x264_load_deinterleave_chroma_fenc_avx( uint16_t *dst, uint16_t *src, intptr_t i_src, int height );
 126 void x264_load_deinterleave_chroma_fdec_mmx ( pixel *dst, pixel *src, intptr_t i_src, int height );
 127 void x264_load_deinterleave_chroma_fdec_sse2( pixel *dst, pixel *src, intptr_t i_src, int height );
 128 void x264_load_deinterleave_chroma_fdec_ssse3( uint8_t *dst, uint8_t *src, intptr_t i_src, int height );
 129 void x264_load_deinterleave_chroma_fdec_avx( uint16_t *dst, uint16_t *src, intptr_t i_src, int height );
 130 void *x264_memcpy_aligned_mmx( void *dst, const void *src, size_t n );
 131 void *x264_memcpy_aligned_sse( void *dst, const void *src, size_t n );
 132 void x264_memzero_aligned_mmx( void *dst, size_t n );
 133 void x264_memzero_aligned_sse( void *dst, size_t n );
 134 void x264_memzero_aligned_avx( void *dst, size_t n );
 135 void x264_integral_init4h_sse4( uint16_t *sum, uint8_t *pix, intptr_t stride );
 136 void x264_integral_init4h_avx2( uint16_t *sum, uint8_t *pix, intptr_t stride );
 137 void x264_integral_init8h_sse4( uint16_t *sum, uint8_t *pix, intptr_t stride );
 138 void x264_integral_init8h_avx ( uint16_t *sum, uint8_t *pix, intptr_t stride );
 139 void x264_integral_init8h_avx2( uint16_t *sum, uint8_t *pix, intptr_t stride );
 140 void x264_integral_init4v_mmx  ( uint16_t *sum8, uint16_t *sum4, intptr_t stride );
 141 void x264_integral_init4v_sse2 ( uint16_t *sum8, uint16_t *sum4, intptr_t stride );
 142 void x264_integral_init4v_ssse3( uint16_t *sum8, uint16_t *sum4, intptr_t stride );
 143 void x264_integral_init4v_avx2( uint16_t *sum8, uint16_t *sum4, intptr_t stride );
 144 void x264_integral_init8v_mmx ( uint16_t *sum8, intptr_t stride );
 145 void x264_integral_init8v_sse2( uint16_t *sum8, intptr_t stride );
 146 void x264_integral_init8v_avx2( uint16_t *sum8, intptr_t stride );
 147 void x264_mbtree_propagate_cost_sse2( int *dst, uint16_t *propagate_in, uint16_t *intra_costs,
 148                                       uint16_t *inter_costs, uint16_t *inv_qscales, float *fps_factor, int len );
 149 void x264_mbtree_propagate_cost_avx ( int *dst, uint16_t *propagate_in, uint16_t *intra_costs,
 150                                       uint16_t *inter_costs, uint16_t *inv_qscales, float *fps_factor, int len );
 151 void x264_mbtree_propagate_cost_fma4( int *dst, uint16_t *propagate_in, uint16_t *intra_costs,
 152                                       uint16_t *inter_costs, uint16_t *inv_qscales, float *fps_factor, int len );
 153 void x264_mbtree_propagate_cost_avx2_fma3( int *dst, uint16_t *propagate_in, uint16_t *intra_costs,
 154                                            uint16_t *inter_costs, uint16_t *inv_qscales, float *fps_factor, int len );
 155
 156 #define MC_CHROMA(cpu)\
 157 void x264_mc_chroma_##cpu( pixel *dstu, pixel *dstv, intptr_t i_dst, pixel *src, intptr_t i_src,\
 158                            int dx, int dy, int i_width, int i_height );
 159 MC_CHROMA(mmx2)
 160 MC_CHROMA(sse2)
 161 MC_CHROMA(sse2_misalign)
 162 MC_CHROMA(ssse3)
 163 MC_CHROMA(ssse3_cache64)
 164 MC_CHROMA(avx)
 165 MC_CHROMA(avx2)
 166
 167 #define LOWRES(cpu)\
 168 void x264_frame_init_lowres_core_##cpu( pixel *src0, pixel *dst0, pixel *dsth, pixel *dstv, pixel *dstc,\
 169                                         intptr_t src_stride, intptr_t dst_stride, int width, int height );
 170 LOWRES(mmx2)
 171 LOWRES(cache32_mmx2)
 172 LOWRES(sse2)
 173 LOWRES(ssse3)
 174 LOWRES(avx)
 175 LOWRES(xop)
 176 LOWRES(avx2)
 177
 178 #define PIXEL_AVG_W(width,cpu)\
 179 void x264_pixel_avg2_w##width##_##cpu( pixel *, intptr_t, pixel *, intptr_t, pixel *, intptr_t );
 180 /* This declares some functions that don't exist, but that isn't a problem. */
 181 #define PIXEL_AVG_WALL(cpu)\
 182 PIXEL_AVG_W(4,cpu); PIXEL_AVG_W(8,cpu); PIXEL_AVG_W(10,cpu); PIXEL_AVG_W(12,cpu); PIXEL_AVG_W(16,cpu); PIXEL_AVG_W(18,cpu); PIXEL_AVG_W(20,cpu);
 183
 184 PIXEL_AVG_WALL(mmx2)
 185 PIXEL_AVG_WALL(cache32_mmx2)
 186 PIXEL_AVG_WALL(cache64_mmx2)
 187 PIXEL_AVG_WALL(cache64_sse2)
 188 PIXEL_AVG_WALL(sse2)
 189 PIXEL_AVG_WALL(sse2_misalign)
 190 PIXEL_AVG_WALL(cache64_ssse3)
 191 PIXEL_AVG_WALL(avx2)
 192
 193 #define PIXEL_AVG_WTAB(instr, name1, name2, name3, name4, name5)\
 194 static void (* const x264_pixel_avg_wtab_##instr[6])( pixel *, intptr_t, pixel *, intptr_t, pixel *, intptr_t ) =\
 195 {\
 196     NULL,\
 197     x264_pixel_avg2_w4_##name1,\
 198     x264_pixel_avg2_w8_##name2,\
 199     x264_pixel_avg2_w12_##name3,\
 200     x264_pixel_avg2_w16_##name4,\
 201     x264_pixel_avg2_w20_##name5,\
 202 };
 203
 204 #if HIGH_BIT_DEPTH
 205 /* we can replace w12/w20 with w10/w18 as only 9/17 pixels in fact are important */
 206 #define x264_pixel_avg2_w12_mmx2       x264_pixel_avg2_w10_mmx2
 207 #define x264_pixel_avg2_w20_mmx2       x264_pixel_avg2_w18_mmx2
 208 #define x264_pixel_avg2_w12_sse2         x264_pixel_avg2_w10_sse2
 209 #define x264_pixel_avg2_w20_sse2         x264_pixel_avg2_w18_sse2
 210 #define x264_pixel_avg2_w12_avx2         x264_pixel_avg2_w16_avx2
 211 #define x264_pixel_avg2_w20_avx2         x264_pixel_avg2_w18_avx2
 212 #else
 213 /* w16 sse2 is faster than w12 mmx as long as the cacheline issue is resolved */
 214 #define x264_pixel_avg2_w12_cache64_ssse3 x264_pixel_avg2_w16_cache64_ssse3
 215 #define x264_pixel_avg2_w12_cache64_sse2 x264_pixel_avg2_w16_cache64_sse2
 216 #define x264_pixel_avg2_w12_sse3         x264_pixel_avg2_w16_sse3
 217 #define x264_pixel_avg2_w12_sse2         x264_pixel_avg2_w16_sse2
 218 #endif // HIGH_BIT_DEPTH
 219
 220 PIXEL_AVG_WTAB(mmx2, mmx2, mmx2, mmx2, mmx2, mmx2)
 221 #if HIGH_BIT_DEPTH
 222 PIXEL_AVG_WTAB(sse2, mmx2, sse2, sse2, sse2, sse2)
 223 PIXEL_AVG_WTAB(avx2, mmx2, sse2, avx2, avx2, avx2)
 224 #else // !HIGH_BIT_DEPTH
 225 #if ARCH_X86
 226 PIXEL_AVG_WTAB(cache32_mmx2, mmx2, cache32_mmx2, cache32_mmx2, cache32_mmx2, cache32_mmx2)
 227 PIXEL_AVG_WTAB(cache64_mmx2, mmx2, cache64_mmx2, cache64_mmx2, cache64_mmx2, cache64_mmx2)
 228 #endif
 229 PIXEL_AVG_WTAB(sse2, mmx2, mmx2, sse2, sse2, sse2)
 230 PIXEL_AVG_WTAB(sse2_misalign, mmx2, mmx2, sse2, sse2, sse2_misalign)
 231 PIXEL_AVG_WTAB(cache64_sse2, mmx2, cache64_mmx2, cache64_sse2, cache64_sse2, cache64_sse2)
 232 PIXEL_AVG_WTAB(cache64_ssse3, mmx2, cache64_mmx2, cache64_ssse3, cache64_ssse3, cache64_sse2)
 233 PIXEL_AVG_WTAB(cache64_ssse3_atom, mmx2, mmx2, cache64_ssse3, cache64_ssse3, sse2)
 234 PIXEL_AVG_WTAB(avx2, mmx2, mmx2, sse2, sse2, avx2)
 235 #endif // HIGH_BIT_DEPTH
 236
 237 #define MC_COPY_WTAB(instr, name1, name2, name3)\
 238 static void (* const x264_mc_copy_wtab_##instr[5])( pixel *, intptr_t, pixel *, intptr_t, int ) =\
 239 {\
 240     NULL,\
 241     x264_mc_copy_w4_##name1,\
 242     x264_mc_copy_w8_##name2,\
 243     NULL,\
 244     x264_mc_copy_w16_##name3,\
 245 };
 246
 247 MC_COPY_WTAB(mmx,mmx,mmx,mmx)
 248 #if HIGH_BIT_DEPTH
 249 MC_COPY_WTAB(sse,mmx,sse,sse)
 250 MC_COPY_WTAB(avx,mmx,sse,avx)
 251 #else
 252 MC_COPY_WTAB(sse,mmx,mmx,sse)
 253 #endif
 254
 255 #define MC_WEIGHT_WTAB(function, instr, name1, name2, w12version)\
 256     static void (* x264_mc_##function##_wtab_##instr[6])( pixel *, intptr_t, pixel *, intptr_t, const x264_weight_t *, int ) =\
 257 {\
 258     x264_mc_##function##_w4_##name1,\
 259     x264_mc_##function##_w4_##name1,\
 260     x264_mc_##function##_w8_##name2,\
 261     x264_mc_##function##_w##w12version##_##instr,\
 262     x264_mc_##function##_w16_##instr,\
 263     x264_mc_##function##_w20_##instr,\
 264 };
 265
 266 #if HIGH_BIT_DEPTH
 267 MC_WEIGHT_WTAB(weight,mmx2,mmx2,mmx2,12)
 268 MC_WEIGHT_WTAB(offsetadd,mmx2,mmx2,mmx2,12)
 269 MC_WEIGHT_WTAB(offsetsub,mmx2,mmx2,mmx2,12)
 270 MC_WEIGHT_WTAB(weight,sse2,mmx2,sse2,12)
 271 MC_WEIGHT_WTAB(offsetadd,sse2,mmx2,sse2,16)
 272 MC_WEIGHT_WTAB(offsetsub,sse2,mmx2,sse2,16)
 273
 274 static void x264_weight_cache_mmx2( x264_t *h, x264_weight_t *w )
 275 {
 276     if( w->i_scale == 1<<w->i_denom )
 277     {
 278         if( w->i_offset < 0 )
 279             w->weightfn = h->mc.offsetsub;
 280         else
 281             w->weightfn = h->mc.offsetadd;
 282         for( int i = 0; i < 8; i++ )
 283             w->cachea[i] = abs(w->i_offset<<(BIT_DEPTH-8));
 284         return;
 285     }
 286     w->weightfn = h->mc.weight;
 287     int den1 = 1<<w->i_denom;
 288     int den2 = w->i_scale<<1;
 289     int den3 = 1+(w->i_offset<<(BIT_DEPTH-8+1));
 290     for( int i = 0; i < 8; i++ )
 291     {
 292         w->cachea[i] = den1;
 293         w->cacheb[i] = i&1 ? den3 : den2;
 294     }
 295 }
 296 #else
 297 MC_WEIGHT_WTAB(weight,mmx2,mmx2,mmx2,12)
 298 MC_WEIGHT_WTAB(offsetadd,mmx2,mmx2,mmx2,12)
 299 MC_WEIGHT_WTAB(offsetsub,mmx2,mmx2,mmx2,12)
 300 MC_WEIGHT_WTAB(weight,sse2,mmx2,sse2,16)
 301 MC_WEIGHT_WTAB(offsetadd,sse2,mmx2,mmx2,16)
 302 MC_WEIGHT_WTAB(offsetsub,sse2,mmx2,mmx2,16)
 303 MC_WEIGHT_WTAB(weight,ssse3,ssse3,ssse3,16)
 304 MC_WEIGHT_WTAB(weight,avx2,ssse3,avx2,16)
 305
 306 static void x264_weight_cache_mmx2( x264_t *h, x264_weight_t *w )
 307 {
 308     int i;
 309     int16_t den1;
 310
 311     if( w->i_scale == 1<<w->i_denom )
 312     {
 313         if( w->i_offset < 0 )
 314             w->weightfn = h->mc.offsetsub;
 315         else
 316             w->weightfn = h->mc.offsetadd;
 317         memset( w->cachea, abs(w->i_offset), sizeof(w->cachea) );
 318         return;
 319     }
 320     w->weightfn = h->mc.weight;
 321     den1 = 1 << (w->i_denom - 1) | w->i_offset << w->i_denom;
 322     for( i = 0; i < 8; i++ )
 323     {
 324         w->cachea[i] = w->i_scale;
 325         w->cacheb[i] = den1;
 326     }
 327 }
 328
 329 static void x264_weight_cache_ssse3( x264_t *h, x264_weight_t *w )
 330 {
 331     int i, den1;
 332     if( w->i_scale == 1<<w->i_denom )
 333     {
 334         if( w->i_offset < 0 )
 335             w->weightfn = h->mc.offsetsub;
 336         else
 337             w->weightfn = h->mc.offsetadd;
 338
 339         memset( w->cachea, abs( w->i_offset ), sizeof(w->cachea) );
 340         return;
 341     }
 342     w->weightfn = h->mc.weight;
 343     den1 = w->i_scale << (8 - w->i_denom);
 344     for( i = 0; i < 8; i++ )
 345     {
 346         w->cachea[i] = den1;
 347         w->cacheb[i] = w->i_offset;
 348     }
 349 }
 350 #endif // !HIGH_BIT_DEPTH
 351
 352 static const uint8_t hpel_ref0[16] = {0,1,1,1,0,1,1,1,2,3,3,3,0,1,1,1};
 353 static const uint8_t hpel_ref1[16] = {0,0,0,0,2,2,3,2,2,2,3,2,2,2,3,2};
 354
 355 #define MC_LUMA(name,instr1,instr2)\
 356 static void mc_luma_##name( pixel *dst,    intptr_t i_dst_stride,\
 357                             pixel *src[4], intptr_t i_src_stride,\
 358                             int mvx, int mvy,\
 359                             int i_width, int i_height, const x264_weight_t *weight )\
 360 {\
 361     int qpel_idx = ((mvy&3)<<2) + (mvx&3);\
 362     int offset = (mvy>>2)*i_src_stride + (mvx>>2);\
 363     pixel *src1 = src[hpel_ref0[qpel_idx]] + offset + ((mvy&3) == 3) * i_src_stride;\
 364     if( qpel_idx & 5 ) /* qpel interpolation needed */\
 365     {\
 366         pixel *src2 = src[hpel_ref1[qpel_idx]] + offset + ((mvx&3) == 3);\
 367         x264_pixel_avg_wtab_##instr1[i_width>>2](\
 368                 dst, i_dst_stride, src1, i_src_stride,\
 369                 src2, i_height );\
 370         if( weight->weightfn )\
 371             weight->weightfn[i_width>>2]( dst, i_dst_stride, dst, i_dst_stride, weight, i_height );\
 372     }\
 373     else if( weight->weightfn )\
 374         weight->weightfn[i_width>>2]( dst, i_dst_stride, src1, i_src_stride, weight, i_height );\
 375     else\
 376         x264_mc_copy_wtab_##instr2[i_width>>2](dst, i_dst_stride, src1, i_src_stride, i_height );\
 377 }
 378
 379 MC_LUMA(mmx2,mmx2,mmx)
 380 MC_LUMA(sse2,sse2,sse)
 381 #if HIGH_BIT_DEPTH
 382 MC_LUMA(avx2,avx2,avx)
 383 #else
 384 #if ARCH_X86
 385 MC_LUMA(cache32_mmx2,cache32_mmx2,mmx)
 386 MC_LUMA(cache64_mmx2,cache64_mmx2,mmx)
 387 #endif
 388 MC_LUMA(cache64_sse2,cache64_sse2,sse)
 389 MC_LUMA(cache64_ssse3,cache64_ssse3,sse)
 390 MC_LUMA(cache64_ssse3_atom,cache64_ssse3_atom,sse)
 391 #endif // !HIGH_BIT_DEPTH
 392
 393 #define GET_REF(name)\
 394 static pixel *get_ref_##name( pixel *dst,   intptr_t *i_dst_stride,\
 395                               pixel *src[4], intptr_t i_src_stride,\
 396                               int mvx, int mvy,\
 397                               int i_width, int i_height, const x264_weight_t *weight )\
 398 {\
 399     int qpel_idx = ((mvy&3)<<2) + (mvx&3);\
 400     int offset = (mvy>>2)*i_src_stride + (mvx>>2);\
 401     pixel *src1 = src[hpel_ref0[qpel_idx]] + offset + ((mvy&3) == 3) * i_src_stride;\
 402     if( qpel_idx & 5 ) /* qpel interpolation needed */\
 403     {\
 404         pixel *src2 = src[hpel_ref1[qpel_idx]] + offset + ((mvx&3) == 3);\
 405         x264_pixel_avg_wtab_##name[i_width>>2](\
 406                 dst, *i_dst_stride, src1, i_src_stride,\
 407                 src2, i_height );\
 408         if( weight->weightfn )\
 409             weight->weightfn[i_width>>2]( dst, *i_dst_stride, dst, *i_dst_stride, weight, i_height );\
 410         return dst;\
 411     }\
 412     else if( weight->weightfn )\
 413     {\
 414         weight->weightfn[i_width>>2]( dst, *i_dst_stride, src1, i_src_stride, weight, i_height );\
 415         return dst;\
 416     }\
 417     else\
 418     {\
 419         *i_dst_stride = i_src_stride;\
 420         return src1;\
 421     }\
 422 }
 423
 424 GET_REF(mmx2)
 425 GET_REF(sse2)
 426 GET_REF(avx2)
 427 #if !HIGH_BIT_DEPTH
 428 #if ARCH_X86
 429 GET_REF(cache32_mmx2)
 430 GET_REF(cache64_mmx2)
 431 #endif
 432 GET_REF(sse2_misalign)
 433 GET_REF(cache64_sse2)
 434 GET_REF(cache64_ssse3)
 435 GET_REF(cache64_ssse3_atom)
 436 #endif // !HIGH_BIT_DEPTH
 437
 438 #define HPEL(align, cpu, cpuv, cpuc, cpuh)\
 439 void x264_hpel_filter_v_##cpuv( pixel *dst, pixel *src, int16_t *buf, intptr_t stride, intptr_t width);\
 440 void x264_hpel_filter_c_##cpuc( pixel *dst, int16_t *buf, intptr_t width );\
 441 void x264_hpel_filter_h_##cpuh( pixel *dst, pixel *src, intptr_t width );\
 442 static void x264_hpel_filter_##cpu( pixel *dsth, pixel *dstv, pixel *dstc, pixel *src,\
 443                                     intptr_t stride, int width, int height, int16_t *buf )\
 444 {\
 445     intptr_t realign = (intptr_t)src & (align-1);\
 446     src -= realign;\
 447     dstv -= realign;\
 448     dstc -= realign;\
 449     dsth -= realign;\
 450     width += realign;\
 451     while( height-- )\
 452     {\
 453         x264_hpel_filter_v_##cpuv( dstv, src, buf+16, stride, width );\
 454         x264_hpel_filter_c_##cpuc( dstc, buf+16, width );\
 455         x264_hpel_filter_h_##cpuh( dsth, src, width );\
 456         dsth += stride;\
 457         dstv += stride;\
 458         dstc += stride;\
 459         src  += stride;\
 460     }\
 461     x264_sfence();\
 462 }
 463
 464 HPEL(8, mmx2, mmx2, mmx2, mmx2)
 465 #if HIGH_BIT_DEPTH
 466 HPEL(16, sse2, sse2, sse2, sse2)
 467 #else // !HIGH_BIT_DEPTH
 468 HPEL(16, sse2_amd, mmx2, mmx2, sse2)
 469 #if ARCH_X86_64
 470 void x264_hpel_filter_sse2 ( uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, uint8_t *src, intptr_t stride, int width, int height, int16_t *buf );
 471 void x264_hpel_filter_ssse3( uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, uint8_t *src, intptr_t stride, int width, int height, int16_t *buf );
 472 void x264_hpel_filter_avx  ( uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, uint8_t *src, intptr_t stride, int width, int height, int16_t *buf );
 473 #else
 474 HPEL(16, sse2, sse2, sse2, sse2)
 475 HPEL(16, ssse3, ssse3, ssse3, ssse3)
 476 HPEL(16, avx, avx, avx, avx)
 477 #endif
 478 HPEL(32, avx2, avx2, avx2, avx2)
 479 HPEL(16, sse2_misalign, sse2, sse2_misalign, sse2)
 480 #endif // HIGH_BIT_DEPTH
 481
 482 static void x264_plane_copy_mmx2( pixel *dst, intptr_t i_dst, pixel *src, intptr_t i_src, int w, int h )
 483 {
 484     int c_w = 16/sizeof(pixel) - 1;
 485     if( w < 256 ) { // tiny resolutions don't want non-temporal hints. dunno the exact threshold.
 486         x264_plane_copy_c( dst, i_dst, src, i_src, w, h );
 487     } else if( !(w&c_w) ) {
 488         x264_plane_copy_core_mmx2( dst, i_dst, src, i_src, w, h );
 489     } else if( i_src > 0 ) {
 490         // have to use plain memcpy on the last line (in memory order) to avoid overreading src
 491         x264_plane_copy_core_mmx2( dst, i_dst, src, i_src, (w+c_w)&~c_w, h-1 );
 492         memcpy( dst+i_dst*(h-1), src+i_src*(h-1), w*sizeof(pixel) );
 493     } else {
 494         memcpy( dst, src, w*sizeof(pixel) );
 495         x264_plane_copy_core_mmx2( dst+i_dst, i_dst, src+i_src, i_src, (w+c_w)&~c_w, h-1 );
 496     }
 497 }
 498
 499 #define PLANE_INTERLEAVE(cpu) \
 500 static void x264_plane_copy_interleave_##cpu( pixel *dst,  intptr_t i_dst,\
 501                                               pixel *srcu, intptr_t i_srcu,\
 502                                               pixel *srcv, intptr_t i_srcv, int w, int h )\
 503 {\
 504     if( !(w&15) ) {\
 505         x264_plane_copy_interleave_core_##cpu( dst, i_dst, srcu, i_srcu, srcv, i_srcv, w, h );\
 506     } else if( w < 16 || (i_srcu ^ i_srcv) ) {\
 507         x264_plane_copy_interleave_c( dst, i_dst, srcu, i_srcu, srcv, i_srcv, w, h );\
 508     } else if( i_srcu > 0 ) {\
 509         x264_plane_copy_interleave_core_##cpu( dst, i_dst, srcu, i_srcu, srcv, i_srcv, (w+15)&~15, h-1 );\
 510         x264_plane_copy_interleave_c( dst+i_dst*(h-1), 0, srcu+i_srcu*(h-1), 0, srcv+i_srcv*(h-1), 0, w, 1 );\
 511     } else {\
 512         x264_plane_copy_interleave_c( dst, 0, srcu, 0, srcv, 0, w, 1 );\
 513         x264_plane_copy_interleave_core_##cpu( dst+i_dst, i_dst, srcu+i_srcu, i_srcu, srcv+i_srcv, i_srcv, (w+15)&~15, h-1 );\
 514     }\
 515 }
 516
 517 PLANE_INTERLEAVE(mmx2)
 518 PLANE_INTERLEAVE(sse2)
 519 #if HIGH_BIT_DEPTH
 520 PLANE_INTERLEAVE(avx)
 521 #endif
 522
 523 void x264_mc_init_mmx( int cpu, x264_mc_functions_t *pf )
 524 {
 525     if( !(cpu&X264_CPU_MMX) )
 526         return;
 527
 528     pf->load_deinterleave_chroma_fenc = x264_load_deinterleave_chroma_fenc_mmx;
 529     pf->load_deinterleave_chroma_fdec = x264_load_deinterleave_chroma_fdec_mmx;
 530
 531     pf->plane_copy_deinterleave = x264_plane_copy_deinterleave_mmx;
 532
 533     pf->copy_16x16_unaligned = x264_mc_copy_w16_mmx;
 534     pf->copy[PIXEL_16x16] = x264_mc_copy_w16_mmx;
 535     pf->copy[PIXEL_8x8]   = x264_mc_copy_w8_mmx;
 536     pf->copy[PIXEL_4x4]   = x264_mc_copy_w4_mmx;
 537     pf->memcpy_aligned  = x264_memcpy_aligned_mmx;
 538     pf->memzero_aligned = x264_memzero_aligned_mmx;
 539     pf->integral_init4v = x264_integral_init4v_mmx;
 540     pf->integral_init8v = x264_integral_init8v_mmx;
 541
 542     if( !(cpu&X264_CPU_MMX2) )
 543         return;
 544
 545     pf->prefetch_fenc_420 = x264_prefetch_fenc_420_mmx2;
 546     pf->prefetch_fenc_422 = x264_prefetch_fenc_422_mmx2;
 547     pf->prefetch_ref  = x264_prefetch_ref_mmx2;
 548
 549     pf->plane_copy = x264_plane_copy_mmx2;
 550     pf->plane_copy_interleave = x264_plane_copy_interleave_mmx2;
 551     pf->store_interleave_chroma = x264_store_interleave_chroma_mmx2;
 552
 553     pf->avg[PIXEL_16x16] = x264_pixel_avg_16x16_mmx2;
 554     pf->avg[PIXEL_16x8]  = x264_pixel_avg_16x8_mmx2;
 555     pf->avg[PIXEL_8x16]  = x264_pixel_avg_8x16_mmx2;
 556     pf->avg[PIXEL_8x8]   = x264_pixel_avg_8x8_mmx2;
 557     pf->avg[PIXEL_8x4]   = x264_pixel_avg_8x4_mmx2;
 558     pf->avg[PIXEL_4x16]  = x264_pixel_avg_4x16_mmx2;
 559     pf->avg[PIXEL_4x8]   = x264_pixel_avg_4x8_mmx2;
 560     pf->avg[PIXEL_4x4]   = x264_pixel_avg_4x4_mmx2;
 561     pf->avg[PIXEL_4x2]   = x264_pixel_avg_4x2_mmx2;
 562
 563     pf->mc_luma = mc_luma_mmx2;
 564     pf->get_ref = get_ref_mmx2;
 565     pf->mc_chroma = x264_mc_chroma_mmx2;
 566     pf->hpel_filter = x264_hpel_filter_mmx2;
 567     pf->weight = x264_mc_weight_wtab_mmx2;
 568     pf->weight_cache = x264_weight_cache_mmx2;
 569     pf->offsetadd = x264_mc_offsetadd_wtab_mmx2;
 570     pf->offsetsub = x264_mc_offsetsub_wtab_mmx2;
 571
 572     pf->frame_init_lowres_core = x264_frame_init_lowres_core_mmx2;
 573
 574     if( cpu&X264_CPU_SSE )
 575     {
 576         pf->memcpy_aligned  = x264_memcpy_aligned_sse;
 577         pf->memzero_aligned = x264_memzero_aligned_sse;
 578     }
 579
 580 #if HIGH_BIT_DEPTH
 581 #if ARCH_X86 // all x86_64 cpus with cacheline split issues use sse2 instead
 582     if( cpu&(X264_CPU_CACHELINE_32|X264_CPU_CACHELINE_64) )
 583         pf->frame_init_lowres_core = x264_frame_init_lowres_core_cache32_mmx2;
 584 #endif
 585
 586     if( !(cpu&X264_CPU_SSE2) )
 587         return;
 588
 589     pf->frame_init_lowres_core = x264_frame_init_lowres_core_sse2;
 590
 591     pf->load_deinterleave_chroma_fenc = x264_load_deinterleave_chroma_fenc_sse2;
 592     pf->load_deinterleave_chroma_fdec = x264_load_deinterleave_chroma_fdec_sse2;
 593
 594     pf->plane_copy_interleave   = x264_plane_copy_interleave_sse2;
 595     pf->plane_copy_deinterleave = x264_plane_copy_deinterleave_sse2;
 596
 597     if( cpu&X264_CPU_SSE2_IS_FAST )
 598     {
 599         pf->get_ref = get_ref_sse2;
 600         pf->mc_luma = mc_luma_sse2;
 601         pf->hpel_filter = x264_hpel_filter_sse2;
 602     }
 603
 604     pf->integral_init4v = x264_integral_init4v_sse2;
 605     pf->integral_init8v = x264_integral_init8v_sse2;
 606     pf->mbtree_propagate_cost = x264_mbtree_propagate_cost_sse2;
 607     pf->store_interleave_chroma = x264_store_interleave_chroma_sse2;
 608     pf->offsetadd = x264_mc_offsetadd_wtab_sse2;
 609     pf->offsetsub = x264_mc_offsetsub_wtab_sse2;
 610
 611     if( cpu&X264_CPU_SSE2_IS_SLOW )
 612         return;
 613
 614     pf->avg[PIXEL_16x16] = x264_pixel_avg_16x16_sse2;
 615     pf->avg[PIXEL_16x8]  = x264_pixel_avg_16x8_sse2;
 616     pf->avg[PIXEL_8x16]  = x264_pixel_avg_8x16_sse2;
 617     pf->avg[PIXEL_8x8]   = x264_pixel_avg_8x8_sse2;
 618     pf->avg[PIXEL_8x4]   = x264_pixel_avg_8x4_sse2;
 619     pf->avg[PIXEL_4x16]  = x264_pixel_avg_4x16_sse2;
 620     pf->avg[PIXEL_4x8]   = x264_pixel_avg_4x8_sse2;
 621     pf->avg[PIXEL_4x4]   = x264_pixel_avg_4x4_sse2;
 622     pf->avg[PIXEL_4x2]   = x264_pixel_avg_4x2_sse2;
 623
 624     pf->copy[PIXEL_16x16] = x264_mc_copy_w16_aligned_sse;
 625     pf->weight = x264_mc_weight_wtab_sse2;
 626
 627     if( !(cpu&X264_CPU_STACK_MOD4) )
 628         pf->mc_chroma = x264_mc_chroma_sse2;
 629
 630     if( !(cpu&X264_CPU_SSSE3) )
 631         return;
 632
 633     pf->frame_init_lowres_core = x264_frame_init_lowres_core_ssse3;
 634
 635     if( !(cpu&(X264_CPU_SLOW_SHUFFLE|X264_CPU_SLOW_ATOM|X264_CPU_SLOW_PALIGNR)) )
 636         pf->integral_init4v = x264_integral_init4v_ssse3;
 637
 638     if( !(cpu&X264_CPU_AVX) )
 639         return;
 640
 641     pf->frame_init_lowres_core = x264_frame_init_lowres_core_avx;
 642     pf->load_deinterleave_chroma_fenc = x264_load_deinterleave_chroma_fenc_avx;
 643     pf->load_deinterleave_chroma_fdec = x264_load_deinterleave_chroma_fdec_avx;
 644     pf->plane_copy_interleave        = x264_plane_copy_interleave_avx;
 645     pf->plane_copy_deinterleave      = x264_plane_copy_deinterleave_avx;
 646     pf->store_interleave_chroma      = x264_store_interleave_chroma_avx;
 647     pf->copy[PIXEL_16x16]            = x264_mc_copy_w16_aligned_avx;
 648
 649     if( !(cpu&X264_CPU_STACK_MOD4) )
 650         pf->mc_chroma = x264_mc_chroma_avx;
 651
 652     if( cpu&X264_CPU_XOP )
 653         pf->frame_init_lowres_core = x264_frame_init_lowres_core_xop;
 654
 655     if( cpu&X264_CPU_AVX2 )
 656         pf->mc_luma = mc_luma_avx2;
 657 #else // !HIGH_BIT_DEPTH
 658
 659 #if ARCH_X86 // all x86_64 cpus with cacheline split issues use sse2 instead
 660     if( cpu&X264_CPU_CACHELINE_32 )
 661     {
 662         pf->mc_luma = mc_luma_cache32_mmx2;
 663         pf->get_ref = get_ref_cache32_mmx2;
 664         pf->frame_init_lowres_core = x264_frame_init_lowres_core_cache32_mmx2;
 665     }
 666     else if( cpu&X264_CPU_CACHELINE_64 )
 667     {
 668         pf->mc_luma = mc_luma_cache64_mmx2;
 669         pf->get_ref = get_ref_cache64_mmx2;
 670         pf->frame_init_lowres_core = x264_frame_init_lowres_core_cache32_mmx2;
 671     }
 672 #endif
 673
 674     if( !(cpu&X264_CPU_SSE2) )
 675         return;
 676
 677     pf->integral_init4v = x264_integral_init4v_sse2;
 678     pf->integral_init8v = x264_integral_init8v_sse2;
 679     pf->hpel_filter = x264_hpel_filter_sse2_amd;
 680     pf->mbtree_propagate_cost = x264_mbtree_propagate_cost_sse2;
 681
 682     if( !(cpu&X264_CPU_SSE2_IS_SLOW) )
 683     {
 684         pf->weight = x264_mc_weight_wtab_sse2;
 685         if( !(cpu&X264_CPU_SLOW_ATOM) )
 686         {
 687             pf->offsetadd = x264_mc_offsetadd_wtab_sse2;
 688             pf->offsetsub = x264_mc_offsetsub_wtab_sse2;
 689         }
 690
 691         pf->copy[PIXEL_16x16] = x264_mc_copy_w16_aligned_sse;
 692         pf->avg[PIXEL_16x16] = x264_pixel_avg_16x16_sse2;
 693         pf->avg[PIXEL_16x8]  = x264_pixel_avg_16x8_sse2;
 694         pf->avg[PIXEL_8x16] = x264_pixel_avg_8x16_sse2;
 695         pf->avg[PIXEL_8x8]  = x264_pixel_avg_8x8_sse2;
 696         pf->avg[PIXEL_8x4]  = x264_pixel_avg_8x4_sse2;
 697         pf->hpel_filter = x264_hpel_filter_sse2;
 698         if( cpu&X264_CPU_SSE_MISALIGN )
 699             pf->hpel_filter = x264_hpel_filter_sse2_misalign;
 700         pf->frame_init_lowres_core = x264_frame_init_lowres_core_sse2;
 701         if( !(cpu&X264_CPU_STACK_MOD4) )
 702             pf->mc_chroma = x264_mc_chroma_sse2;
 703
 704         if( cpu&X264_CPU_SSE2_IS_FAST )
 705         {
 706             pf->store_interleave_chroma = x264_store_interleave_chroma_sse2; // FIXME sse2fast? sse2medium?
 707             pf->load_deinterleave_chroma_fenc = x264_load_deinterleave_chroma_fenc_sse2;
 708             pf->load_deinterleave_chroma_fdec = x264_load_deinterleave_chroma_fdec_sse2;
 709             pf->plane_copy_interleave   = x264_plane_copy_interleave_sse2;
 710             pf->plane_copy_deinterleave = x264_plane_copy_deinterleave_sse2;
 711             pf->mc_luma = mc_luma_sse2;
 712             pf->get_ref = get_ref_sse2;
 713             if( cpu&X264_CPU_CACHELINE_64 )
 714             {
 715                 pf->mc_luma = mc_luma_cache64_sse2;
 716                 pf->get_ref = get_ref_cache64_sse2;
 717             }
 718             if( cpu&X264_CPU_SSE_MISALIGN )
 719             {
 720                 pf->get_ref = get_ref_sse2_misalign;
 721                 if( !(cpu&X264_CPU_STACK_MOD4) )
 722                     pf->mc_chroma = x264_mc_chroma_sse2_misalign;
 723             }
 724         }
 725     }
 726
 727     if( !(cpu&X264_CPU_SSSE3) )
 728         return;
 729
 730     pf->avg[PIXEL_16x16] = x264_pixel_avg_16x16_ssse3;
 731     pf->avg[PIXEL_16x8]  = x264_pixel_avg_16x8_ssse3;
 732     pf->avg[PIXEL_8x16]  = x264_pixel_avg_8x16_ssse3;
 733     pf->avg[PIXEL_8x8]   = x264_pixel_avg_8x8_ssse3;
 734     pf->avg[PIXEL_8x4]   = x264_pixel_avg_8x4_ssse3;
 735     pf->avg[PIXEL_4x16]  = x264_pixel_avg_4x16_ssse3;
 736     pf->avg[PIXEL_4x8]   = x264_pixel_avg_4x8_ssse3;
 737     pf->avg[PIXEL_4x4]   = x264_pixel_avg_4x4_ssse3;
 738     pf->avg[PIXEL_4x2]   = x264_pixel_avg_4x2_ssse3;
 739
 740     if( !(cpu&X264_CPU_SLOW_PSHUFB) )
 741     {
 742         pf->load_deinterleave_chroma_fenc = x264_load_deinterleave_chroma_fenc_ssse3;
 743         pf->load_deinterleave_chroma_fdec = x264_load_deinterleave_chroma_fdec_ssse3;
 744         pf->plane_copy_deinterleave = x264_plane_copy_deinterleave_ssse3;
 745     }
 746
 747     if( !(cpu&X264_CPU_SLOW_PALIGNR) )
 748     {
 749 #if ARCH_X86_64
 750         if( !(cpu&X264_CPU_SLOW_ATOM) ) /* The 64-bit version is slower, but the 32-bit version is faster? */
 751 #endif
 752             pf->hpel_filter = x264_hpel_filter_ssse3;
 753         pf->frame_init_lowres_core = x264_frame_init_lowres_core_ssse3;
 754     }
 755     if( !(cpu&X264_CPU_STACK_MOD4) )
 756         pf->mc_chroma = x264_mc_chroma_ssse3;
 757
 758     if( cpu&X264_CPU_CACHELINE_64 )
 759     {
 760         if( !(cpu&X264_CPU_STACK_MOD4) )
 761             pf->mc_chroma = x264_mc_chroma_ssse3_cache64;
 762         pf->mc_luma = mc_luma_cache64_ssse3;
 763         pf->get_ref = get_ref_cache64_ssse3;
 764         if( cpu&X264_CPU_SLOW_ATOM )
 765         {
 766             pf->mc_luma = mc_luma_cache64_ssse3_atom;
 767             pf->get_ref = get_ref_cache64_ssse3_atom;
 768         }
 769     }
 770
 771     pf->weight_cache = x264_weight_cache_ssse3;
 772     pf->weight = x264_mc_weight_wtab_ssse3;
 773
 774     if( !(cpu&(X264_CPU_SLOW_SHUFFLE|X264_CPU_SLOW_ATOM|X264_CPU_SLOW_PALIGNR)) )
 775         pf->integral_init4v = x264_integral_init4v_ssse3;
 776
 777     if( !(cpu&X264_CPU_SSE4) )
 778         return;
 779
 780     pf->integral_init4h = x264_integral_init4h_sse4;
 781     pf->integral_init8h = x264_integral_init8h_sse4;
 782
 783     if( !(cpu&X264_CPU_AVX) )
 784         return;
 785
 786     pf->frame_init_lowres_core = x264_frame_init_lowres_core_avx;
 787     pf->integral_init8h = x264_integral_init8h_avx;
 788     pf->hpel_filter = x264_hpel_filter_avx;
 789
 790     if( !(cpu&X264_CPU_STACK_MOD4) )
 791         pf->mc_chroma = x264_mc_chroma_avx;
 792
 793     if( cpu&X264_CPU_XOP )
 794         pf->frame_init_lowres_core = x264_frame_init_lowres_core_xop;
 795
 796     if( cpu&X264_CPU_AVX2 )
 797     {
 798         pf->hpel_filter = x264_hpel_filter_avx2;
 799         pf->mc_chroma = x264_mc_chroma_avx2;
 800         pf->weight = x264_mc_weight_wtab_avx2;
 801         pf->avg[PIXEL_16x16] = x264_pixel_avg_16x16_avx2;
 802         pf->avg[PIXEL_16x8]  = x264_pixel_avg_16x8_avx2;
 803         pf->integral_init8v = x264_integral_init8v_avx2;
 804         pf->integral_init4v = x264_integral_init4v_avx2;
 805         pf->integral_init8h = x264_integral_init8h_avx2;
 806         pf->integral_init4h = x264_integral_init4h_avx2;
 807         pf->frame_init_lowres_core = x264_frame_init_lowres_core_avx2;
 808     }
 809 #endif // HIGH_BIT_DEPTH
 810
 811     if( !(cpu&X264_CPU_AVX) )
 812         return;
 813     pf->memzero_aligned = x264_memzero_aligned_avx;
 814     pf->mbtree_propagate_cost = x264_mbtree_propagate_cost_avx;
 815
 816     if( cpu&X264_CPU_FMA4 )
 817         pf->mbtree_propagate_cost = x264_mbtree_propagate_cost_fma4;
 818
 819     if( !(cpu&X264_CPU_AVX2) )
 820         return;
 821     pf->get_ref = get_ref_avx2;
 822
 823     if( cpu&X264_CPU_FMA3 )
 824         pf->mbtree_propagate_cost = x264_mbtree_propagate_cost_avx2_fma3;
 825 }