text: /*
   * VC-1 and WMV3 - DSP functions MMX-optimized
   * Copyright (c) 2007 Christophe GISQUET <christophe.gisquet@free.fr>
   *
   * Permission is hereby granted, free of charge, to any person
   * obtaining a copy of this software and associated documentation
   * files (the "Software"), to deal in the Software without
   * restriction, including without limitation the rights to use,
   * copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following
   * conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
   * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
   * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   * OTHER DEALINGS IN THE SOFTWARE.
   */
  
  #include "libavutil/cpu.h"
  #include "libavutil/mem.h"
  #include "libavutil/x86/asm.h"
  #include "libavutil/x86/cpu.h"
  #include "dsputil_mmx.h"
  #include "libavcodec/vc1dsp.h"
  #include "vc1dsp.h"
  
  #if HAVE_INLINE_ASM
  
  #define OP_PUT(S,D)
  #define OP_AVG(S,D) "pavgb " #S ", " #D " \n\t"
  
  /** Add rounder from mm7 to mm3 and pack result at destination */
  #define NORMALIZE_MMX(SHIFT)                                    \
       "paddw     %%mm7, %%mm3           \n\t" /* +bias-r */      \
       "paddw     %%mm7, %%mm4           \n\t" /* +bias-r */      \
       "psraw     "SHIFT", %%mm3         \n\t"                    \
       "psraw     "SHIFT", %%mm4         \n\t"
  
  #define TRANSFER_DO_PACK(OP)                    \
       "packuswb  %%mm4, %%mm3           \n\t"    \
       OP((%2), %%mm3)                            \
       "movq      %%mm3, (%2)            \n\t"
  
  #define TRANSFER_DONT_PACK(OP)                  \
       OP(0(%2), %%mm3)                           \
       OP(8(%2), %%mm4)                           \
       "movq      %%mm3, 0(%2)           \n\t"    \
       "movq      %%mm4, 8(%2)           \n\t"
  
  /** @see MSPEL_FILTER13_CORE for use as UNPACK macro */
  #define DO_UNPACK(reg)  "punpcklbw %%mm0, " reg "\n\t"
  #define DONT_UNPACK(reg)
  
  /** Compute the rounder 32-r or 8-r and unpacks it to mm7 */
  #define LOAD_ROUNDER_MMX(ROUND)                 \
       "movd      "ROUND", %%mm7         \n\t"    \
       "punpcklwd %%mm7, %%mm7           \n\t"    \
       "punpckldq %%mm7, %%mm7           \n\t"
  
  #define SHIFT2_LINE(OFF, R0,R1,R2,R3)           \
      "paddw     %%mm"#R2", %%mm"#R1"    \n\t"    \
      "movd      (%0,%3), %%mm"#R0"      \n\t"    \
      "pmullw    %%mm6, %%mm"#R1"        \n\t"    \
      "punpcklbw %%mm0, %%mm"#R0"        \n\t"    \
      "movd      (%0,%2), %%mm"#R3"      \n\t"    \
      "psubw     %%mm"#R0", %%mm"#R1"    \n\t"    \
      "punpcklbw %%mm0, %%mm"#R3"        \n\t"    \
      "paddw     %%mm7, %%mm"#R1"        \n\t"    \
      "psubw     %%mm"#R3", %%mm"#R1"    \n\t"    \
      "psraw     %4, %%mm"#R1"           \n\t"    \
      "movq      %%mm"#R1", "#OFF"(%1)   \n\t"    \
      "add       %2, %0                  \n\t"
  
  /** Sacrifying mm6 allows to pipeline loads from src */
  static void vc1_put_ver_16b_shift2_mmx(int16_t *dst,
                                         const uint8_t *src, x86_reg stride,
                                         int rnd, int64_t shift)
  {
      __asm__ volatile(
          "mov       $3, %%"REG_c"           \n\t"
          LOAD_ROUNDER_MMX("%5")
          "movq      "MANGLE(ff_pw_9)", %%mm6 \n\t"
          "1:                                \n\t"
          "movd      (%0), %%mm2             \n\t"
          "add       %2, %0                  \n\t"
          "movd      (%0), %%mm3             \n\t"
          "punpcklbw %%mm0, %%mm2            \n\t"
          "punpcklbw %%mm0, %%mm3            \n\t"
          SHIFT2_LINE(  0, 1, 2, 3, 4)
          SHIFT2_LINE( 24, 2, 3, 4, 1)
          SHIFT2_LINE( 48, 3, 4, 1, 2)
          SHIFT2_LINE( 72, 4, 1, 2, 3)
          SHIFT2_LINE( 96, 1, 2, 3, 4)
          SHIFT2_LINE(120, 2, 3, 4, 1)
          SHIFT2_LINE(144, 3, 4, 1, 2)
          SHIFT2_LINE(168, 4, 1, 2, 3)
          "sub       %6, %0                  \n\t"
          "add       $8, %1                  \n\t"
          "dec       %%"REG_c"               \n\t"
          "jnz 1b                            \n\t"
          : "+r"(src), "+r"(dst)
          : "r"(stride), "r"(-2*stride),
            "m"(shift), "m"(rnd), "r"(9*stride-4)
          : "%"REG_c, "memory"
      );
  }
  
  /**
   * Data is already unpacked, so some operations can directly be made from
   * memory.
   */
  #define VC1_HOR_16b_SHIFT2(OP, OPNAME)\
  static void OPNAME ## vc1_hor_16b_shift2_mmx(uint8_t *dst, x86_reg stride,\
                                               const int16_t *src, int rnd)\
  {\
      int h = 8;\
  \
      src -= 1;\
      rnd -= (-1+9+9-1)*1024; /* Add -1024 bias */\
      __asm__ volatile(\
          LOAD_ROUNDER_MMX("%4")\
          "movq      "MANGLE(ff_pw_128)", %%mm6\n\t"\
          "movq      "MANGLE(ff_pw_9)", %%mm5 \n\t"\
          "1:                                \n\t"\
          "movq      2*0+0(%1), %%mm1        \n\t"\
          "movq      2*0+8(%1), %%mm2        \n\t"\
          "movq      2*1+0(%1), %%mm3        \n\t"\
          "movq      2*1+8(%1), %%mm4        \n\t"\
          "paddw     2*3+0(%1), %%mm1        \n\t"\
          "paddw     2*3+8(%1), %%mm2        \n\t"\
          "paddw     2*2+0(%1), %%mm3        \n\t"\
          "paddw     2*2+8(%1), %%mm4        \n\t"\
          "pmullw    %%mm5, %%mm3            \n\t"\
          "pmullw    %%mm5, %%mm4            \n\t"\
          "psubw     %%mm1, %%mm3            \n\t"\
          "psubw     %%mm2, %%mm4            \n\t"\
          NORMALIZE_MMX("$7")\
          /* Remove bias */\
          "paddw     %%mm6, %%mm3            \n\t"\
          "paddw     %%mm6, %%mm4            \n\t"\
          TRANSFER_DO_PACK(OP)\
          "add       $24, %1                 \n\t"\
          "add       %3, %2                  \n\t"\
          "decl      %0                      \n\t"\
          "jnz 1b                            \n\t"\
          : "+r"(h), "+r" (src),  "+r" (dst)\
          : "r"(stride), "m"(rnd)\
          : "memory"\
      );\
  }
  
  VC1_HOR_16b_SHIFT2(OP_PUT, put_)
  VC1_HOR_16b_SHIFT2(OP_AVG, avg_)
  
  
  /**
   * Purely vertical or horizontal 1/2 shift interpolation.
   * Sacrify mm6 for *9 factor.
   */
  #define VC1_SHIFT2(OP, OPNAME)\
  static void OPNAME ## vc1_shift2_mmx(uint8_t *dst, const uint8_t *src,\
                                       x86_reg stride, int rnd, x86_reg offset)\
  {\
      rnd = 8-rnd;\
      __asm__ volatile(\
          "mov       $8, %%"REG_c"           \n\t"\
          LOAD_ROUNDER_MMX("%5")\
          "movq      "MANGLE(ff_pw_9)", %%mm6\n\t"\
          "1:                                \n\t"\
          "movd      0(%0   ), %%mm3         \n\t"\
          "movd      4(%0   ), %%mm4         \n\t"\
          "movd      0(%0,%2), %%mm1         \n\t"\
          "movd      4(%0,%2), %%mm2         \n\t"\
          "add       %2, %0                  \n\t"\
          "punpcklbw %%mm0, %%mm3            \n\t"\
          "punpcklbw %%mm0, %%mm4            \n\t"\
          "punpcklbw %%mm0, %%mm1            \n\t"\
          "punpcklbw %%mm0, %%mm2            \n\t"\
          "paddw     %%mm1, %%mm3            \n\t"\
          "paddw     %%mm2, %%mm4            \n\t"\
          "movd      0(%0,%3), %%mm1         \n\t"\
          "movd      4(%0,%3), %%mm2         \n\t"\
          "pmullw    %%mm6, %%mm3            \n\t" /* 0,9,9,0*/\
          "pmullw    %%mm6, %%mm4            \n\t" /* 0,9,9,0*/\
          "punpcklbw %%mm0, %%mm1            \n\t"\
          "punpcklbw %%mm0, %%mm2            \n\t"\
          "psubw     %%mm1, %%mm3            \n\t" /*-1,9,9,0*/\
          "psubw     %%mm2, %%mm4            \n\t" /*-1,9,9,0*/\
          "movd      0(%0,%2), %%mm1         \n\t"\
          "movd      4(%0,%2), %%mm2         \n\t"\
          "punpcklbw %%mm0, %%mm1            \n\t"\
          "punpcklbw %%mm0, %%mm2            \n\t"\
          "psubw     %%mm1, %%mm3            \n\t" /*-1,9,9,-1*/\
          "psubw     %%mm2, %%mm4            \n\t" /*-1,9,9,-1*/\
          NORMALIZE_MMX("$4")\
          "packuswb  %%mm4, %%mm3            \n\t"\
          OP((%1), %%mm3)\
          "movq      %%mm3, (%1)             \n\t"\
          "add       %6, %0                  \n\t"\
          "add       %4, %1                  \n\t"\
          "dec       %%"REG_c"               \n\t"\
          "jnz 1b                            \n\t"\
          : "+r"(src),  "+r"(dst)\
          : "r"(offset), "r"(-2*offset), "g"(stride), "m"(rnd),\
            "g"(stride-offset)\
          : "%"REG_c, "memory"\
      );\
  }
  
  VC1_SHIFT2(OP_PUT, put_)
  VC1_SHIFT2(OP_AVG, avg_)
  
  /**
   * Core of the 1/4 and 3/4 shift bicubic interpolation.
   *
   * @param UNPACK  Macro unpacking arguments from 8 to 16bits (can be empty).
   * @param MOVQ    "movd 1" or "movq 2", if data read is already unpacked.
   * @param A1      Address of 1st tap (beware of unpacked/packed).
   * @param A2      Address of 2nd tap
   * @param A3      Address of 3rd tap
   * @param A4      Address of 4th tap
   */
  #define MSPEL_FILTER13_CORE(UNPACK, MOVQ, A1, A2, A3, A4)       \
       MOVQ "*0+"A1", %%mm1       \n\t"                           \
       MOVQ "*4+"A1", %%mm2       \n\t"                           \
       UNPACK("%%mm1")                                            \
       UNPACK("%%mm2")                                            \
       "pmullw    "MANGLE(ff_pw_3)", %%mm1\n\t"                   \
       "pmullw    "MANGLE(ff_pw_3)", %%mm2\n\t"                   \
       MOVQ "*0+"A2", %%mm3       \n\t"                           \
       MOVQ "*4+"A2", %%mm4       \n\t"                           \
       UNPACK("%%mm3")                                            \
       UNPACK("%%mm4")                                            \
       "pmullw    %%mm6, %%mm3    \n\t" /* *18 */                 \
       "pmullw    %%mm6, %%mm4    \n\t" /* *18 */                 \
       "psubw     %%mm1, %%mm3    \n\t" /* 18,-3 */               \
       "psubw     %%mm2, %%mm4    \n\t" /* 18,-3 */               \
       MOVQ "*0+"A4", %%mm1       \n\t"                           \
       MOVQ "*4+"A4", %%mm2       \n\t"                           \
       UNPACK("%%mm1")                                            \
       UNPACK("%%mm2")                                            \
       "psllw     $2, %%mm1       \n\t" /* 4* */                  \
       "psllw     $2, %%mm2       \n\t" /* 4* */                  \
       "psubw     %%mm1, %%mm3    \n\t" /* -4,18,-3 */            \
       "psubw     %%mm2, %%mm4    \n\t" /* -4,18,-3 */            \
       MOVQ "*0+"A3", %%mm1       \n\t"                           \
       MOVQ "*4+"A3", %%mm2       \n\t"                           \
       UNPACK("%%mm1")                                            \
       UNPACK("%%mm2")                                            \
       "pmullw    %%mm5, %%mm1    \n\t" /* *53 */                 \
       "pmullw    %%mm5, %%mm2    \n\t" /* *53 */                 \
       "paddw     %%mm1, %%mm3    \n\t" /* 4,53,18,-3 */          \
       "paddw     %%mm2, %%mm4    \n\t" /* 4,53,18,-3 */
  
  /**
   * Macro to build the vertical 16bits version of vc1_put_shift[13].
   * Here, offset=src_stride. Parameters passed A1 to A4 must use
   * %3 (src_stride) and %4 (3*src_stride).
   *
   * @param  NAME   Either 1 or 3
   * @see MSPEL_FILTER13_CORE for information on A1->A4
   */
  #define MSPEL_FILTER13_VER_16B(NAME, A1, A2, A3, A4)                    \
  static void                                                             \
  vc1_put_ver_16b_ ## NAME ## _mmx(int16_t *dst, const uint8_t *src,      \
                                   x86_reg src_stride,                   \
                                   int rnd, int64_t shift)                \
  {                                                                       \
      int h = 8;                                                          \
      src -= src_stride;                                                  \
      __asm__ volatile(                                                       \
          LOAD_ROUNDER_MMX("%5")                                          \
          "movq      "MANGLE(ff_pw_53)", %%mm5\n\t"                       \
          "movq      "MANGLE(ff_pw_18)", %%mm6\n\t"                       \
          ".p2align 3                \n\t"                                \
          "1:                        \n\t"                                \
          MSPEL_FILTER13_CORE(DO_UNPACK, "movd  1", A1, A2, A3, A4)       \
          NORMALIZE_MMX("%6")                                             \
          TRANSFER_DONT_PACK(OP_PUT)                                      \
          /* Last 3 (in fact 4) bytes on the line */                      \
          "movd      8+"A1", %%mm1   \n\t"                                \
          DO_UNPACK("%%mm1")                                              \
          "movq      %%mm1, %%mm3    \n\t"                                \
          "paddw     %%mm1, %%mm1    \n\t"                                \
          "paddw     %%mm3, %%mm1    \n\t" /* 3* */                       \
          "movd      8+"A2", %%mm3   \n\t"                                \
          DO_UNPACK("%%mm3")                                              \
          "pmullw    %%mm6, %%mm3    \n\t" /* *18 */                      \
          "psubw     %%mm1, %%mm3    \n\t" /*18,-3 */                     \
          "movd      8+"A3", %%mm1   \n\t"                                \
          DO_UNPACK("%%mm1")                                              \
          "pmullw    %%mm5, %%mm1    \n\t" /* *53 */                      \
          "paddw     %%mm1, %%mm3    \n\t" /*53,18,-3 */                  \
          "movd      8+"A4", %%mm1   \n\t"                                \
          DO_UNPACK("%%mm1")                                              \
          "psllw     $2, %%mm1       \n\t" /* 4* */                       \
          "psubw     %%mm1, %%mm3    \n\t"                                \
          "paddw     %%mm7, %%mm3    \n\t"                                \
          "psraw     %6, %%mm3       \n\t"                                \
          "movq      %%mm3, 16(%2)   \n\t"                                \
          "add       %3, %1          \n\t"                                \
          "add       $24, %2         \n\t"                                \
          "decl      %0              \n\t"                                \
          "jnz 1b                    \n\t"                                \
          : "+r"(h), "+r" (src),  "+r" (dst)                              \
          : "r"(src_stride), "r"(3*src_stride),                           \
            "m"(rnd), "m"(shift)                                          \
          : "memory"                                                      \
      );                                                                  \
  }
  
  /**
   * Macro to build the horizontal 16bits version of vc1_put_shift[13].
   * Here, offset=16bits, so parameters passed A1 to A4 should be simple.
   *
   * @param  NAME   Either 1 or 3
   * @see MSPEL_FILTER13_CORE for information on A1->A4
   */
  #define MSPEL_FILTER13_HOR_16B(NAME, A1, A2, A3, A4, OP, OPNAME)        \
  static void                                                             \
  OPNAME ## vc1_hor_16b_ ## NAME ## _mmx(uint8_t *dst, x86_reg stride,    \
                                   const int16_t *src, int rnd)           \
  {                                                                       \
      int h = 8;                                                          \
      src -= 1;                                                           \
      rnd -= (-4+58+13-3)*256; /* Add -256 bias */                        \
      __asm__ volatile(                                                       \
          LOAD_ROUNDER_MMX("%4")                                          \
          "movq      "MANGLE(ff_pw_18)", %%mm6   \n\t"                    \
          "movq      "MANGLE(ff_pw_53)", %%mm5   \n\t"                    \
          ".p2align 3                \n\t"                                \
          "1:                        \n\t"                                \
          MSPEL_FILTER13_CORE(DONT_UNPACK, "movq 2", A1, A2, A3, A4)      \
          NORMALIZE_MMX("$7")                                             \
          /* Remove bias */                                               \
          "paddw     "MANGLE(ff_pw_128)", %%mm3  \n\t"                    \
          "paddw     "MANGLE(ff_pw_128)", %%mm4  \n\t"                    \
          TRANSFER_DO_PACK(OP)                                            \
          "add       $24, %1         \n\t"                                \
          "add       %3, %2          \n\t"                                \
          "decl      %0              \n\t"                                \
          "jnz 1b                    \n\t"                                \
          : "+r"(h), "+r" (src),  "+r" (dst)                              \
          : "r"(stride), "m"(rnd)                                         \
          : "memory"                                                      \
      );                                                                  \
  }
  
  /**
   * Macro to build the 8bits, any direction, version of vc1_put_shift[13].
   * Here, offset=src_stride. Parameters passed A1 to A4 must use
   * %3 (offset) and %4 (3*offset).
   *
   * @param  NAME   Either 1 or 3
   * @see MSPEL_FILTER13_CORE for information on A1->A4
   */
  #define MSPEL_FILTER13_8B(NAME, A1, A2, A3, A4, OP, OPNAME)             \
  static void                                                             \
  OPNAME ## vc1_## NAME ## _mmx(uint8_t *dst, const uint8_t *src,         \
                          x86_reg stride, int rnd, x86_reg offset)      \
  {                                                                       \
      int h = 8;                                                          \
      src -= offset;                                                      \
      rnd = 32-rnd;                                                       \
      __asm__ volatile (                                                      \
          LOAD_ROUNDER_MMX("%6")                                          \
          "movq      "MANGLE(ff_pw_53)", %%mm5       \n\t"                \
          "movq      "MANGLE(ff_pw_18)", %%mm6       \n\t"                \
          ".p2align 3                \n\t"                                \
          "1:                        \n\t"                                \
          MSPEL_FILTER13_CORE(DO_UNPACK, "movd   1", A1, A2, A3, A4)      \
          NORMALIZE_MMX("$6")                                             \
          TRANSFER_DO_PACK(OP)                                            \
          "add       %5, %1          \n\t"                                \
          "add       %5, %2          \n\t"                                \
          "decl      %0              \n\t"                                \
          "jnz 1b                    \n\t"                                \
          : "+r"(h), "+r" (src),  "+r" (dst)                              \
          : "r"(offset), "r"(3*offset), "g"(stride), "m"(rnd)             \
          : "memory"                                                      \
      );                                                                  \
  }
  
  /** 1/4 shift bicubic interpolation */
  MSPEL_FILTER13_8B     (shift1, "0(%1,%4  )", "0(%1,%3,2)", "0(%1,%3  )", "0(%1     )", OP_PUT, put_)
  MSPEL_FILTER13_8B     (shift1, "0(%1,%4  )", "0(%1,%3,2)", "0(%1,%3  )", "0(%1     )", OP_AVG, avg_)
  MSPEL_FILTER13_VER_16B(shift1, "0(%1,%4  )", "0(%1,%3,2)", "0(%1,%3  )", "0(%1     )")
  MSPEL_FILTER13_HOR_16B(shift1, "2*3(%1)", "2*2(%1)", "2*1(%1)", "2*0(%1)", OP_PUT, put_)
  MSPEL_FILTER13_HOR_16B(shift1, "2*3(%1)", "2*2(%1)", "2*1(%1)", "2*0(%1)", OP_AVG, avg_)
  
  /** 3/4 shift bicubic interpolation */
  MSPEL_FILTER13_8B     (shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%4  )", OP_PUT, put_)
  MSPEL_FILTER13_8B     (shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%4  )", OP_AVG, avg_)
  MSPEL_FILTER13_VER_16B(shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%4  )")
  MSPEL_FILTER13_HOR_16B(shift3, "2*0(%1)", "2*1(%1)", "2*2(%1)", "2*3(%1)", OP_PUT, put_)
  MSPEL_FILTER13_HOR_16B(shift3, "2*0(%1)", "2*1(%1)", "2*2(%1)", "2*3(%1)", OP_AVG, avg_)
  
  typedef void (*vc1_mspel_mc_filter_ver_16bits)(int16_t *dst, const uint8_t *src, x86_reg src_stride, int rnd, int64_t shift);
  typedef void (*vc1_mspel_mc_filter_hor_16bits)(uint8_t *dst, x86_reg dst_stride, const int16_t *src, int rnd);
  typedef void (*vc1_mspel_mc_filter_8bits)(uint8_t *dst, const uint8_t *src, x86_reg stride, int rnd, x86_reg offset);
  
  /**
   * Interpolate fractional pel values by applying proper vertical then
   * horizontal filter.
   *
   * @param  dst     Destination buffer for interpolated pels.
   * @param  src     Source buffer.
   * @param  stride  Stride for both src and dst buffers.
   * @param  hmode   Horizontal filter (expressed in quarter pixels shift).
   * @param  hmode   Vertical filter.
   * @param  rnd     Rounding bias.
   */
  #define VC1_MSPEL_MC(OP)\
  static void OP ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride,\
                                 int hmode, int vmode, int rnd)\
  {\
      static const vc1_mspel_mc_filter_ver_16bits vc1_put_shift_ver_16bits[] =\
           { NULL, vc1_put_ver_16b_shift1_mmx, vc1_put_ver_16b_shift2_mmx, vc1_put_ver_16b_shift3_mmx };\
      static const vc1_mspel_mc_filter_hor_16bits vc1_put_shift_hor_16bits[] =\
           { NULL, OP ## vc1_hor_16b_shift1_mmx, OP ## vc1_hor_16b_shift2_mmx, OP ## vc1_hor_16b_shift3_mmx };\
      static const vc1_mspel_mc_filter_8bits vc1_put_shift_8bits[] =\
           { NULL, OP ## vc1_shift1_mmx, OP ## vc1_shift2_mmx, OP ## vc1_shift3_mmx };\
  \
      __asm__ volatile(\
          "pxor %%mm0, %%mm0         \n\t"\
          ::: "memory"\
      );\
  \
      if (vmode) { /* Vertical filter to apply */\
          if (hmode) { /* Horizontal filter to apply, output to tmp */\
              static const int shift_value[] = { 0, 5, 1, 5 };\
              int              shift = (shift_value[hmode]+shift_value[vmode])>>1;\
              int              r;\
              DECLARE_ALIGNED(16, int16_t, tmp)[12*8];\
  \
              r = (1<<(shift-1)) + rnd-1;\
              vc1_put_shift_ver_16bits[vmode](tmp, src-1, stride, r, shift);\
  \
              vc1_put_shift_hor_16bits[hmode](dst, stride, tmp+1, 64-rnd);\
              return;\
          }\
          else { /* No horizontal filter, output 8 lines to dst */\
              vc1_put_shift_8bits[vmode](dst, src, stride, 1-rnd, stride);\
              return;\
          }\
      }\
  \
      /* Horizontal mode with no vertical mode */\
      vc1_put_shift_8bits[hmode](dst, src, stride, rnd, 1);\
  }
  
  VC1_MSPEL_MC(put_)
  VC1_MSPEL_MC(avg_)
  
  /** Macro to ease bicubic filter interpolation functions declarations */
  #define DECLARE_FUNCTION(a, b)                                          \
  static void put_vc1_mspel_mc ## a ## b ## _mmx(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \
       put_vc1_mspel_mc(dst, src, stride, a, b, rnd);                     \
  }\
  static void avg_vc1_mspel_mc ## a ## b ## _mmxext(uint8_t *dst,         \
                                                    const uint8_t *src,   \
                                                    int stride, int rnd)  \
  {                                                                       \
       avg_vc1_mspel_mc(dst, src, stride, a, b, rnd);                     \
  }
  
  DECLARE_FUNCTION(0, 1)
  DECLARE_FUNCTION(0, 2)
  DECLARE_FUNCTION(0, 3)
  
  DECLARE_FUNCTION(1, 0)
  DECLARE_FUNCTION(1, 1)
  DECLARE_FUNCTION(1, 2)
  DECLARE_FUNCTION(1, 3)
  
  DECLARE_FUNCTION(2, 0)
  DECLARE_FUNCTION(2, 1)
  DECLARE_FUNCTION(2, 2)
  DECLARE_FUNCTION(2, 3)
  
  DECLARE_FUNCTION(3, 0)
  DECLARE_FUNCTION(3, 1)
  DECLARE_FUNCTION(3, 2)
  DECLARE_FUNCTION(3, 3)
  
  static void vc1_inv_trans_4x4_dc_mmxext(uint8_t *dest, int linesize,
                                          int16_t *block)
  {
      int dc = block[0];
      dc = (17 * dc +  4) >> 3;
      dc = (17 * dc + 64) >> 7;
      __asm__ volatile(
          "movd          %0, %%mm0 \n\t"
          "pshufw $0, %%mm0, %%mm0 \n\t"
          "pxor       %%mm1, %%mm1 \n\t"
          "psubw      %%mm0, %%mm1 \n\t"
          "packuswb   %%mm0, %%mm0 \n\t"
          "packuswb   %%mm1, %%mm1 \n\t"
          ::"r"(dc)
      );
      __asm__ volatile(
          "movd          %0, %%mm2 \n\t"
          "movd          %1, %%mm3 \n\t"
          "movd          %2, %%mm4 \n\t"
          "movd          %3, %%mm5 \n\t"
          "paddusb    %%mm0, %%mm2 \n\t"
          "paddusb    %%mm0, %%mm3 \n\t"
          "paddusb    %%mm0, %%mm4 \n\t"
          "paddusb    %%mm0, %%mm5 \n\t"
          "psubusb    %%mm1, %%mm2 \n\t"
          "psubusb    %%mm1, %%mm3 \n\t"
          "psubusb    %%mm1, %%mm4 \n\t"
          "psubusb    %%mm1, %%mm5 \n\t"
          "movd       %%mm2, %0    \n\t"
          "movd       %%mm3, %1    \n\t"
          "movd       %%mm4, %2    \n\t"
          "movd       %%mm5, %3    \n\t"
          :"+m"(*(uint32_t*)(dest+0*linesize)),
           "+m"(*(uint32_t*)(dest+1*linesize)),
           "+m"(*(uint32_t*)(dest+2*linesize)),
           "+m"(*(uint32_t*)(dest+3*linesize))
      );
  }
  
  static void vc1_inv_trans_4x8_dc_mmxext(uint8_t *dest, int linesize,
                                          int16_t *block)
  {
      int dc = block[0];
      dc = (17 * dc +  4) >> 3;
      dc = (12 * dc + 64) >> 7;
      __asm__ volatile(
          "movd          %0, %%mm0 \n\t"
          "pshufw $0, %%mm0, %%mm0 \n\t"
          "pxor       %%mm1, %%mm1 \n\t"
          "psubw      %%mm0, %%mm1 \n\t"
          "packuswb   %%mm0, %%mm0 \n\t"
          "packuswb   %%mm1, %%mm1 \n\t"
          ::"r"(dc)
      );
      __asm__ volatile(
          "movd          %0, %%mm2 \n\t"
          "movd          %1, %%mm3 \n\t"
          "movd          %2, %%mm4 \n\t"
          "movd          %3, %%mm5 \n\t"
          "paddusb    %%mm0, %%mm2 \n\t"
          "paddusb    %%mm0, %%mm3 \n\t"
          "paddusb    %%mm0, %%mm4 \n\t"
          "paddusb    %%mm0, %%mm5 \n\t"
          "psubusb    %%mm1, %%mm2 \n\t"
          "psubusb    %%mm1, %%mm3 \n\t"
          "psubusb    %%mm1, %%mm4 \n\t"
          "psubusb    %%mm1, %%mm5 \n\t"
          "movd       %%mm2, %0    \n\t"
          "movd       %%mm3, %1    \n\t"
          "movd       %%mm4, %2    \n\t"
          "movd       %%mm5, %3    \n\t"
          :"+m"(*(uint32_t*)(dest+0*linesize)),
           "+m"(*(uint32_t*)(dest+1*linesize)),
           "+m"(*(uint32_t*)(dest+2*linesize)),
           "+m"(*(uint32_t*)(dest+3*linesize))
      );
      dest += 4*linesize;
      __asm__ volatile(
          "movd          %0, %%mm2 \n\t"
          "movd          %1, %%mm3 \n\t"
          "movd          %2, %%mm4 \n\t"
          "movd          %3, %%mm5 \n\t"
          "paddusb    %%mm0, %%mm2 \n\t"
          "paddusb    %%mm0, %%mm3 \n\t"
          "paddusb    %%mm0, %%mm4 \n\t"
          "paddusb    %%mm0, %%mm5 \n\t"
          "psubusb    %%mm1, %%mm2 \n\t"
          "psubusb    %%mm1, %%mm3 \n\t"
          "psubusb    %%mm1, %%mm4 \n\t"
          "psubusb    %%mm1, %%mm5 \n\t"
          "movd       %%mm2, %0    \n\t"
          "movd       %%mm3, %1    \n\t"
          "movd       %%mm4, %2    \n\t"
          "movd       %%mm5, %3    \n\t"
          :"+m"(*(uint32_t*)(dest+0*linesize)),
           "+m"(*(uint32_t*)(dest+1*linesize)),
           "+m"(*(uint32_t*)(dest+2*linesize)),
           "+m"(*(uint32_t*)(dest+3*linesize))
      );
  }
  
  static void vc1_inv_trans_8x4_dc_mmxext(uint8_t *dest, int linesize,
                                          int16_t *block)
  {
      int dc = block[0];
      dc = ( 3 * dc +  1) >> 1;
      dc = (17 * dc + 64) >> 7;
      __asm__ volatile(
          "movd          %0, %%mm0 \n\t"
          "pshufw $0, %%mm0, %%mm0 \n\t"
          "pxor       %%mm1, %%mm1 \n\t"
          "psubw      %%mm0, %%mm1 \n\t"
          "packuswb   %%mm0, %%mm0 \n\t"
          "packuswb   %%mm1, %%mm1 \n\t"
          ::"r"(dc)
      );
      __asm__ volatile(
          "movq          %0, %%mm2 \n\t"
          "movq          %1, %%mm3 \n\t"
          "movq          %2, %%mm4 \n\t"
          "movq          %3, %%mm5 \n\t"
          "paddusb    %%mm0, %%mm2 \n\t"
          "paddusb    %%mm0, %%mm3 \n\t"
          "paddusb    %%mm0, %%mm4 \n\t"
          "paddusb    %%mm0, %%mm5 \n\t"
          "psubusb    %%mm1, %%mm2 \n\t"
          "psubusb    %%mm1, %%mm3 \n\t"
          "psubusb    %%mm1, %%mm4 \n\t"
          "psubusb    %%mm1, %%mm5 \n\t"
          "movq       %%mm2, %0    \n\t"
          "movq       %%mm3, %1    \n\t"
          "movq       %%mm4, %2    \n\t"
          "movq       %%mm5, %3    \n\t"
          :"+m"(*(uint32_t*)(dest+0*linesize)),
           "+m"(*(uint32_t*)(dest+1*linesize)),
           "+m"(*(uint32_t*)(dest+2*linesize)),
           "+m"(*(uint32_t*)(dest+3*linesize))
      );
  }
  
  static void vc1_inv_trans_8x8_dc_mmxext(uint8_t *dest, int linesize,
                                          int16_t *block)
  {
      int dc = block[0];
      dc = (3 * dc +  1) >> 1;
      dc = (3 * dc + 16) >> 5;
      __asm__ volatile(
          "movd          %0, %%mm0 \n\t"
          "pshufw $0, %%mm0, %%mm0 \n\t"
          "pxor       %%mm1, %%mm1 \n\t"
          "psubw      %%mm0, %%mm1 \n\t"
          "packuswb   %%mm0, %%mm0 \n\t"
          "packuswb   %%mm1, %%mm1 \n\t"
          ::"r"(dc)
      );
      __asm__ volatile(
          "movq          %0, %%mm2 \n\t"
          "movq          %1, %%mm3 \n\t"
          "movq          %2, %%mm4 \n\t"
          "movq          %3, %%mm5 \n\t"
          "paddusb    %%mm0, %%mm2 \n\t"
          "paddusb    %%mm0, %%mm3 \n\t"
          "paddusb    %%mm0, %%mm4 \n\t"
          "paddusb    %%mm0, %%mm5 \n\t"
          "psubusb    %%mm1, %%mm2 \n\t"
          "psubusb    %%mm1, %%mm3 \n\t"
          "psubusb    %%mm1, %%mm4 \n\t"
          "psubusb    %%mm1, %%mm5 \n\t"
          "movq       %%mm2, %0    \n\t"
          "movq       %%mm3, %1    \n\t"
          "movq       %%mm4, %2    \n\t"
          "movq       %%mm5, %3    \n\t"
          :"+m"(*(uint32_t*)(dest+0*linesize)),
           "+m"(*(uint32_t*)(dest+1*linesize)),
           "+m"(*(uint32_t*)(dest+2*linesize)),
           "+m"(*(uint32_t*)(dest+3*linesize))
      );
      dest += 4*linesize;
      __asm__ volatile(
          "movq          %0, %%mm2 \n\t"
          "movq          %1, %%mm3 \n\t"
          "movq          %2, %%mm4 \n\t"
          "movq          %3, %%mm5 \n\t"
          "paddusb    %%mm0, %%mm2 \n\t"
          "paddusb    %%mm0, %%mm3 \n\t"
          "paddusb    %%mm0, %%mm4 \n\t"
          "paddusb    %%mm0, %%mm5 \n\t"
          "psubusb    %%mm1, %%mm2 \n\t"
          "psubusb    %%mm1, %%mm3 \n\t"
          "psubusb    %%mm1, %%mm4 \n\t"
          "psubusb    %%mm1, %%mm5 \n\t"
          "movq       %%mm2, %0    \n\t"
          "movq       %%mm3, %1    \n\t"
          "movq       %%mm4, %2    \n\t"
          "movq       %%mm5, %3    \n\t"
          :"+m"(*(uint32_t*)(dest+0*linesize)),
           "+m"(*(uint32_t*)(dest+1*linesize)),
           "+m"(*(uint32_t*)(dest+2*linesize)),
           "+m"(*(uint32_t*)(dest+3*linesize))
      );
  }
  
  av_cold void ff_vc1dsp_init_mmx(VC1DSPContext *dsp)
  {
          dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_vc1_mspel_mc00_mmx;
          dsp->put_vc1_mspel_pixels_tab[ 4] = put_vc1_mspel_mc01_mmx;
          dsp->put_vc1_mspel_pixels_tab[ 8] = put_vc1_mspel_mc02_mmx;
          dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_mmx;
  
          dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_mmx;
          dsp->put_vc1_mspel_pixels_tab[ 5] = put_vc1_mspel_mc11_mmx;
          dsp->put_vc1_mspel_pixels_tab[ 9] = put_vc1_mspel_mc12_mmx;
          dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_mmx;
  
          dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_mmx;
          dsp->put_vc1_mspel_pixels_tab[ 6] = put_vc1_mspel_mc21_mmx;
          dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_mmx;
          dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_mmx;
  
          dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_mmx;
          dsp->put_vc1_mspel_pixels_tab[ 7] = put_vc1_mspel_mc31_mmx;
          dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_mmx;
          dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_mmx;
  }
  
  av_cold void ff_vc1dsp_init_mmxext(VC1DSPContext *dsp)
  {
          dsp->avg_vc1_mspel_pixels_tab[ 4] = avg_vc1_mspel_mc01_mmxext;
          dsp->avg_vc1_mspel_pixels_tab[ 8] = avg_vc1_mspel_mc02_mmxext;
          dsp->avg_vc1_mspel_pixels_tab[12] = avg_vc1_mspel_mc03_mmxext;
  
          dsp->avg_vc1_mspel_pixels_tab[ 1] = avg_vc1_mspel_mc10_mmxext;
          dsp->avg_vc1_mspel_pixels_tab[ 5] = avg_vc1_mspel_mc11_mmxext;
          dsp->avg_vc1_mspel_pixels_tab[ 9] = avg_vc1_mspel_mc12_mmxext;
          dsp->avg_vc1_mspel_pixels_tab[13] = avg_vc1_mspel_mc13_mmxext;
  
          dsp->avg_vc1_mspel_pixels_tab[ 2] = avg_vc1_mspel_mc20_mmxext;
          dsp->avg_vc1_mspel_pixels_tab[ 6] = avg_vc1_mspel_mc21_mmxext;
          dsp->avg_vc1_mspel_pixels_tab[10] = avg_vc1_mspel_mc22_mmxext;
          dsp->avg_vc1_mspel_pixels_tab[14] = avg_vc1_mspel_mc23_mmxext;
  
          dsp->avg_vc1_mspel_pixels_tab[ 3] = avg_vc1_mspel_mc30_mmxext;
          dsp->avg_vc1_mspel_pixels_tab[ 7] = avg_vc1_mspel_mc31_mmxext;
          dsp->avg_vc1_mspel_pixels_tab[11] = avg_vc1_mspel_mc32_mmxext;
          dsp->avg_vc1_mspel_pixels_tab[15] = avg_vc1_mspel_mc33_mmxext;
  
          dsp->vc1_inv_trans_8x8_dc = vc1_inv_trans_8x8_dc_mmxext;
          dsp->vc1_inv_trans_4x8_dc = vc1_inv_trans_4x8_dc_mmxext;
          dsp->vc1_inv_trans_8x4_dc = vc1_inv_trans_8x4_dc_mmxext;
          dsp->vc1_inv_trans_4x4_dc = vc1_inv_trans_4x4_dc_mmxext;
  }
  #endif /* HAVE_INLINE_ASM */
  