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path: root/libavcodec/x86/dsputil_mmx.c
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/*
 * MMX optimized DSP utils
 * Copyright (c) 2000, 2001 Fabrice Bellard
 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
 *
 * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
 *
 * This file is part of Libav.
 *
 * Libav is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * Libav 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Libav; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "libavutil/cpu.h"
#include "libavutil/x86/asm.h"
#include "libavcodec/dsputil.h"
#include "libavcodec/h264dsp.h"
#include "libavcodec/mpegvideo.h"
#include "libavcodec/simple_idct.h"
#include "dsputil_mmx.h"
#include "idct_xvid.h"

//#undef NDEBUG
//#include <assert.h>

/* pixel operations */
DECLARE_ALIGNED(8,  const uint64_t, ff_bone) = 0x0101010101010101ULL;
DECLARE_ALIGNED(8,  const uint64_t, ff_wtwo) = 0x0002000200020002ULL;

DECLARE_ALIGNED(16, const uint64_t, ff_pdw_80000000)[2] =
    { 0x8000000080000000ULL, 0x8000000080000000ULL };

DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_1)    = { 0x0001000100010001ULL, 0x0001000100010001ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_2)    = { 0x0002000200020002ULL, 0x0002000200020002ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_3)    = { 0x0003000300030003ULL, 0x0003000300030003ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_4)    = { 0x0004000400040004ULL, 0x0004000400040004ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_5)    = { 0x0005000500050005ULL, 0x0005000500050005ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_8)    = { 0x0008000800080008ULL, 0x0008000800080008ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_9)    = { 0x0009000900090009ULL, 0x0009000900090009ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_15)   =   0x000F000F000F000FULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_16)   = { 0x0010001000100010ULL, 0x0010001000100010ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_17)   = { 0x0011001100110011ULL, 0x0011001100110011ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_18)   = { 0x0012001200120012ULL, 0x0012001200120012ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_20)   =   0x0014001400140014ULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_27)   = { 0x001B001B001B001BULL, 0x001B001B001B001BULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_28)   = { 0x001C001C001C001CULL, 0x001C001C001C001CULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_32)   = { 0x0020002000200020ULL, 0x0020002000200020ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_42)   =   0x002A002A002A002AULL;
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_53)   =   0x0035003500350035ULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_63)   = { 0x003F003F003F003FULL, 0x003F003F003F003FULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_64)   = { 0x0040004000400040ULL, 0x0040004000400040ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_96)   =   0x0060006000600060ULL;
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_128)  =   0x0080008000800080ULL;
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_255)  =   0x00ff00ff00ff00ffULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_512)  = { 0x0200020002000200ULL, 0x0200020002000200ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_1019) = { 0x03FB03FB03FB03FBULL, 0x03FB03FB03FB03FBULL };

DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_0)    = { 0x0000000000000000ULL, 0x0000000000000000ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_1)    = { 0x0101010101010101ULL, 0x0101010101010101ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_3)    = { 0x0303030303030303ULL, 0x0303030303030303ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_4)    = { 0x0404040404040404ULL, 0x0404040404040404ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pb_7)    =   0x0707070707070707ULL;
DECLARE_ALIGNED(8,  const uint64_t, ff_pb_1F)   =   0x1F1F1F1F1F1F1F1FULL;
DECLARE_ALIGNED(8,  const uint64_t, ff_pb_3F)   =   0x3F3F3F3F3F3F3F3FULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_80)   = { 0x8080808080808080ULL, 0x8080808080808080ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pb_81)   =   0x8181818181818181ULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_A1)   = { 0xA1A1A1A1A1A1A1A1ULL, 0xA1A1A1A1A1A1A1A1ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_F8)   = { 0xF8F8F8F8F8F8F8F8ULL, 0xF8F8F8F8F8F8F8F8ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pb_FC)   =   0xFCFCFCFCFCFCFCFCULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_FE)   = { 0xFEFEFEFEFEFEFEFEULL, 0xFEFEFEFEFEFEFEFEULL };

DECLARE_ALIGNED(16, const double, ff_pd_1)[2] = { 1.0, 1.0 };
DECLARE_ALIGNED(16, const double, ff_pd_2)[2] = { 2.0, 2.0 };

#if HAVE_INLINE_ASM

#define JUMPALIGN()     __asm__ volatile (".p2align 3"::)
#define MOVQ_ZERO(regd) __asm__ volatile ("pxor %%"#regd", %%"#regd ::)

#define MOVQ_BFE(regd)                                  \
    __asm__ volatile (                                  \
        "pcmpeqd %%"#regd", %%"#regd"   \n\t"           \
        "paddb   %%"#regd", %%"#regd"   \n\t" ::)

#ifndef PIC
#define MOVQ_BONE(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_bone))
#define MOVQ_WTWO(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_wtwo))
#else
// for shared library it's better to use this way for accessing constants
// pcmpeqd -> -1
#define MOVQ_BONE(regd)                                 \
    __asm__ volatile (                                  \
        "pcmpeqd  %%"#regd", %%"#regd"  \n\t"           \
        "psrlw          $15, %%"#regd"  \n\t"           \
        "packuswb %%"#regd", %%"#regd"  \n\t" ::)

#define MOVQ_WTWO(regd)                                 \
    __asm__ volatile (                                  \
        "pcmpeqd %%"#regd", %%"#regd"   \n\t"           \
        "psrlw         $15, %%"#regd"   \n\t"           \
        "psllw          $1, %%"#regd"   \n\t"::)

#endif

// using regr as temporary and for the output result
// first argument is unmodifed and second is trashed
// regfe is supposed to contain 0xfefefefefefefefe
#define PAVGB_MMX_NO_RND(rega, regb, regr, regfe)                \
    "movq   "#rega", "#regr"            \n\t"                    \
    "pand   "#regb", "#regr"            \n\t"                    \
    "pxor   "#rega", "#regb"            \n\t"                    \
    "pand  "#regfe", "#regb"            \n\t"                    \
    "psrlq       $1, "#regb"            \n\t"                    \
    "paddb  "#regb", "#regr"            \n\t"

#define PAVGB_MMX(rega, regb, regr, regfe)                       \
    "movq   "#rega", "#regr"            \n\t"                    \
    "por    "#regb", "#regr"            \n\t"                    \
    "pxor   "#rega", "#regb"            \n\t"                    \
    "pand  "#regfe", "#regb"            \n\t"                    \
    "psrlq       $1, "#regb"            \n\t"                    \
    "psubb  "#regb", "#regr"            \n\t"

// mm6 is supposed to contain 0xfefefefefefefefe
#define PAVGBP_MMX_NO_RND(rega, regb, regr,  regc, regd, regp)   \
    "movq  "#rega", "#regr"             \n\t"                    \
    "movq  "#regc", "#regp"             \n\t"                    \
    "pand  "#regb", "#regr"             \n\t"                    \
    "pand  "#regd", "#regp"             \n\t"                    \
    "pxor  "#rega", "#regb"             \n\t"                    \
    "pxor  "#regc", "#regd"             \n\t"                    \
    "pand    %%mm6, "#regb"             \n\t"                    \
    "pand    %%mm6, "#regd"             \n\t"                    \
    "psrlq      $1, "#regb"             \n\t"                    \
    "psrlq      $1, "#regd"             \n\t"                    \
    "paddb "#regb", "#regr"             \n\t"                    \
    "paddb "#regd", "#regp"             \n\t"

#define PAVGBP_MMX(rega, regb, regr, regc, regd, regp)           \
    "movq  "#rega", "#regr"             \n\t"                    \
    "movq  "#regc", "#regp"             \n\t"                    \
    "por   "#regb", "#regr"             \n\t"                    \
    "por   "#regd", "#regp"             \n\t"                    \
    "pxor  "#rega", "#regb"             \n\t"                    \
    "pxor  "#regc", "#regd"             \n\t"                    \
    "pand    %%mm6, "#regb"             \n\t"                    \
    "pand    %%mm6, "#regd"             \n\t"                    \
    "psrlq      $1, "#regd"             \n\t"                    \
    "psrlq      $1, "#regb"             \n\t"                    \
    "psubb "#regb", "#regr"             \n\t"                    \
    "psubb "#regd", "#regp"             \n\t"

/***********************************/
/* MMX no rounding */
#define DEF(x, y) x ## _no_rnd_ ## y ## _mmx
#define SET_RND  MOVQ_WONE
#define PAVGBP(a, b, c, d, e, f)        PAVGBP_MMX_NO_RND(a, b, c, d, e, f)
#define PAVGB(a, b, c, e)               PAVGB_MMX_NO_RND(a, b, c, e)
#define OP_AVG(a, b, c, e)              PAVGB_MMX(a, b, c, e)

#include "dsputil_rnd_template.c"

#undef DEF
#undef SET_RND
#undef PAVGBP
#undef PAVGB
/***********************************/
/* MMX rounding */

#define DEF(x, y) x ## _ ## y ## _mmx
#define SET_RND  MOVQ_WTWO
#define PAVGBP(a, b, c, d, e, f)        PAVGBP_MMX(a, b, c, d, e, f)
#define PAVGB(a, b, c, e)               PAVGB_MMX(a, b, c, e)

#include "dsputil_rnd_template.c"

#undef DEF
#undef SET_RND
#undef PAVGBP
#undef PAVGB
#undef OP_AVG

/***********************************/
/* 3Dnow specific */

#define DEF(x) x ## _3dnow
#define PAVGB "pavgusb"
#define OP_AVG PAVGB
#define SKIP_FOR_3DNOW

#include "dsputil_avg_template.c"

#undef DEF
#undef PAVGB
#undef OP_AVG
#undef SKIP_FOR_3DNOW

/***********************************/
/* MMXEXT specific */

#define DEF(x) x ## _mmxext

/* Introduced only in MMXEXT set */
#define PAVGB "pavgb"
#define OP_AVG PAVGB

#include "dsputil_avg_template.c"

#undef DEF
#undef PAVGB
#undef OP_AVG

#define put_no_rnd_pixels16_mmx put_pixels16_mmx
#define put_no_rnd_pixels8_mmx put_pixels8_mmx
#define put_pixels16_mmxext put_pixels16_mmx
#define put_pixels8_mmxext put_pixels8_mmx
#define put_pixels4_mmxext put_pixels4_mmx
#define put_no_rnd_pixels16_mmxext put_no_rnd_pixels16_mmx
#define put_no_rnd_pixels8_mmxext put_no_rnd_pixels8_mmx

/***********************************/
/* standard MMX */

void ff_put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels,
                               int line_size)
{
    const DCTELEM *p;
    uint8_t *pix;

    /* read the pixels */
    p   = block;
    pix = pixels;
    /* unrolled loop */
    __asm__ volatile (
        "movq      (%3), %%mm0          \n\t"
        "movq     8(%3), %%mm1          \n\t"
        "movq    16(%3), %%mm2          \n\t"
        "movq    24(%3), %%mm3          \n\t"
        "movq    32(%3), %%mm4          \n\t"
        "movq    40(%3), %%mm5          \n\t"
        "movq    48(%3), %%mm6          \n\t"
        "movq    56(%3), %%mm7          \n\t"
        "packuswb %%mm1, %%mm0          \n\t"
        "packuswb %%mm3, %%mm2          \n\t"
        "packuswb %%mm5, %%mm4          \n\t"
        "packuswb %%mm7, %%mm6          \n\t"
        "movq     %%mm0, (%0)           \n\t"
        "movq     %%mm2, (%0, %1)       \n\t"
        "movq     %%mm4, (%0, %1, 2)    \n\t"
        "movq     %%mm6, (%0, %2)       \n\t"
        :: "r"(pix), "r"((x86_reg)line_size), "r"((x86_reg)line_size * 3),
           "r"(p)
        : "memory");
    pix += line_size * 4;
    p   += 32;

    // if here would be an exact copy of the code above
    // compiler would generate some very strange code
    // thus using "r"
    __asm__ volatile (
        "movq       (%3), %%mm0         \n\t"
        "movq      8(%3), %%mm1         \n\t"
        "movq     16(%3), %%mm2         \n\t"
        "movq     24(%3), %%mm3         \n\t"
        "movq     32(%3), %%mm4         \n\t"
        "movq     40(%3), %%mm5         \n\t"
        "movq     48(%3), %%mm6         \n\t"
        "movq     56(%3), %%mm7         \n\t"
        "packuswb  %%mm1, %%mm0         \n\t"
        "packuswb  %%mm3, %%mm2         \n\t"
        "packuswb  %%mm5, %%mm4         \n\t"
        "packuswb  %%mm7, %%mm6         \n\t"
        "movq      %%mm0, (%0)          \n\t"
        "movq      %%mm2, (%0, %1)      \n\t"
        "movq      %%mm4, (%0, %1, 2)   \n\t"
        "movq      %%mm6, (%0, %2)      \n\t"
        :: "r"(pix), "r"((x86_reg)line_size), "r"((x86_reg)line_size * 3), "r"(p)
        : "memory");
}

#define put_signed_pixels_clamped_mmx_half(off)             \
    "movq          "#off"(%2), %%mm1        \n\t"           \
    "movq     16 + "#off"(%2), %%mm2        \n\t"           \
    "movq     32 + "#off"(%2), %%mm3        \n\t"           \
    "movq     48 + "#off"(%2), %%mm4        \n\t"           \
    "packsswb  8 + "#off"(%2), %%mm1        \n\t"           \
    "packsswb 24 + "#off"(%2), %%mm2        \n\t"           \
    "packsswb 40 + "#off"(%2), %%mm3        \n\t"           \
    "packsswb 56 + "#off"(%2), %%mm4        \n\t"           \
    "paddb              %%mm0, %%mm1        \n\t"           \
    "paddb              %%mm0, %%mm2        \n\t"           \
    "paddb              %%mm0, %%mm3        \n\t"           \
    "paddb              %%mm0, %%mm4        \n\t"           \
    "movq               %%mm1, (%0)         \n\t"           \
    "movq               %%mm2, (%0, %3)     \n\t"           \
    "movq               %%mm3, (%0, %3, 2)  \n\t"           \
    "movq               %%mm4, (%0, %1)     \n\t"

void ff_put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels,
                                      int line_size)
{
    x86_reg line_skip = line_size;
    x86_reg line_skip3;

    __asm__ volatile (
        "movq "MANGLE(ff_pb_80)", %%mm0     \n\t"
        "lea         (%3, %3, 2), %1        \n\t"
        put_signed_pixels_clamped_mmx_half(0)
        "lea         (%0, %3, 4), %0        \n\t"
        put_signed_pixels_clamped_mmx_half(64)
        : "+&r"(pixels), "=&r"(line_skip3)
        : "r"(block), "r"(line_skip)
        : "memory");
}

void ff_add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels,
                               int line_size)
{
    const DCTELEM *p;
    uint8_t *pix;
    int i;

    /* read the pixels */
    p   = block;
    pix = pixels;
    MOVQ_ZERO(mm7);
    i = 4;
    do {
        __asm__ volatile (
            "movq        (%2), %%mm0    \n\t"
            "movq       8(%2), %%mm1    \n\t"
            "movq      16(%2), %%mm2    \n\t"
            "movq      24(%2), %%mm3    \n\t"
            "movq          %0, %%mm4    \n\t"
            "movq          %1, %%mm6    \n\t"
            "movq       %%mm4, %%mm5    \n\t"
            "punpcklbw  %%mm7, %%mm4    \n\t"
            "punpckhbw  %%mm7, %%mm5    \n\t"
            "paddsw     %%mm4, %%mm0    \n\t"
            "paddsw     %%mm5, %%mm1    \n\t"
            "movq       %%mm6, %%mm5    \n\t"
            "punpcklbw  %%mm7, %%mm6    \n\t"
            "punpckhbw  %%mm7, %%mm5    \n\t"
            "paddsw     %%mm6, %%mm2    \n\t"
            "paddsw     %%mm5, %%mm3    \n\t"
            "packuswb   %%mm1, %%mm0    \n\t"
            "packuswb   %%mm3, %%mm2    \n\t"
            "movq       %%mm0, %0       \n\t"
            "movq       %%mm2, %1       \n\t"
            : "+m"(*pix), "+m"(*(pix + line_size))
            : "r"(p)
            : "memory");
        pix += line_size * 2;
        p   += 16;
    } while (--i);
}

static void put_pixels8_mmx(uint8_t *block, const uint8_t *pixels,
                            int line_size, int h)
{
    __asm__ volatile (
        "lea   (%3, %3), %%"REG_a"      \n\t"
        ".p2align     3                 \n\t"
        "1:                             \n\t"
        "movq  (%1    ), %%mm0          \n\t"
        "movq  (%1, %3), %%mm1          \n\t"
        "movq     %%mm0, (%2)           \n\t"
        "movq     %%mm1, (%2, %3)       \n\t"
        "add  %%"REG_a", %1             \n\t"
        "add  %%"REG_a", %2             \n\t"
        "movq  (%1    ), %%mm0          \n\t"
        "movq  (%1, %3), %%mm1          \n\t"
        "movq     %%mm0, (%2)           \n\t"
        "movq     %%mm1, (%2, %3)       \n\t"
        "add  %%"REG_a", %1             \n\t"
        "add  %%"REG_a", %2             \n\t"
        "subl        $4, %0             \n\t"
        "jnz         1b                 \n\t"
        : "+g"(h), "+r"(pixels),  "+r"(block)
        : "r"((x86_reg)line_size)
        : "%"REG_a, "memory"
        );
}

static void put_pixels16_mmx(uint8_t *block, const uint8_t *pixels,
                             int line_size, int h)
{
    __asm__ volatile (
        "lea   (%3, %3), %%"REG_a"      \n\t"
        ".p2align     3                 \n\t"
        "1:                             \n\t"
        "movq  (%1    ), %%mm0          \n\t"
        "movq 8(%1    ), %%mm4          \n\t"
        "movq  (%1, %3), %%mm1          \n\t"
        "movq 8(%1, %3), %%mm5          \n\t"
        "movq     %%mm0,  (%2)          \n\t"
        "movq     %%mm4, 8(%2)          \n\t"
        "movq     %%mm1,  (%2, %3)      \n\t"
        "movq     %%mm5, 8(%2, %3)      \n\t"
        "add  %%"REG_a", %1             \n\t"
        "add  %%"REG_a", %2             \n\t"
        "movq  (%1    ), %%mm0          \n\t"
        "movq 8(%1    ), %%mm4          \n\t"
        "movq  (%1, %3), %%mm1          \n\t"
        "movq 8(%1, %3), %%mm5          \n\t"
        "movq     %%mm0,  (%2)          \n\t"
        "movq     %%mm4, 8(%2)          \n\t"
        "movq     %%mm1,  (%2, %3)      \n\t"
        "movq     %%mm5, 8(%2, %3)      \n\t"
        "add  %%"REG_a", %1             \n\t"
        "add  %%"REG_a", %2             \n\t"
        "subl        $4, %0             \n\t"
        "jnz         1b                 \n\t"
        : "+g"(h), "+r"(pixels),  "+r"(block)
        : "r"((x86_reg)line_size)
        : "%"REG_a, "memory"
        );
}

#define CLEAR_BLOCKS(name, n)                           \
static void name(DCTELEM *blocks)                       \
{                                                       \
    __asm__ volatile (                                  \
        "pxor %%mm7, %%mm7              \n\t"           \
        "mov     %1,        %%"REG_a"   \n\t"           \
        "1:                             \n\t"           \
        "movq %%mm7,   (%0, %%"REG_a")  \n\t"           \
        "movq %%mm7,  8(%0, %%"REG_a")  \n\t"           \
        "movq %%mm7, 16(%0, %%"REG_a")  \n\t"           \
        "movq %%mm7, 24(%0, %%"REG_a")  \n\t"           \
        "add    $32, %%"REG_a"          \n\t"           \
        "js      1b                     \n\t"           \
        :: "r"(((uint8_t *)blocks) + 128 * n),          \
           "i"(-128 * n)                                \
        : "%"REG_a                                      \
        );                                              \
}
CLEAR_BLOCKS(clear_blocks_mmx, 6)
CLEAR_BLOCKS(clear_block_mmx, 1)

static void clear_block_sse(DCTELEM *block)
{
    __asm__ volatile (
        "xorps  %%xmm0, %%xmm0          \n"
        "movaps %%xmm0,    (%0)         \n"
        "movaps %%xmm0,  16(%0)         \n"
        "movaps %%xmm0,  32(%0)         \n"
        "movaps %%xmm0,  48(%0)         \n"
        "movaps %%xmm0,  64(%0)         \n"
        "movaps %%xmm0,  80(%0)         \n"
        "movaps %%xmm0,  96(%0)         \n"
        "movaps %%xmm0, 112(%0)         \n"
        :: "r"(block)
        : "memory"
    );
}

static void clear_blocks_sse(DCTELEM *blocks)
{
    __asm__ volatile (
        "xorps  %%xmm0, %%xmm0              \n"
        "mov        %1,         %%"REG_a"   \n"
        "1:                                 \n"
        "movaps %%xmm0,    (%0, %%"REG_a")  \n"
        "movaps %%xmm0,  16(%0, %%"REG_a")  \n"
        "movaps %%xmm0,  32(%0, %%"REG_a")  \n"
        "movaps %%xmm0,  48(%0, %%"REG_a")  \n"
        "movaps %%xmm0,  64(%0, %%"REG_a")  \n"
        "movaps %%xmm0,  80(%0, %%"REG_a")  \n"
        "movaps %%xmm0,  96(%0, %%"REG_a")  \n"
        "movaps %%xmm0, 112(%0, %%"REG_a")  \n"
        "add      $128,         %%"REG_a"   \n"
        "js         1b                      \n"
        :: "r"(((uint8_t *)blocks) + 128 * 6),
           "i"(-128 * 6)
        : "%"REG_a
    );
}

static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w)
{
    x86_reg i = 0;
    __asm__ volatile (
        "jmp          2f                \n\t"
        "1:                             \n\t"
        "movq   (%1, %0), %%mm0         \n\t"
        "movq   (%2, %0), %%mm1         \n\t"
        "paddb     %%mm0, %%mm1         \n\t"
        "movq      %%mm1, (%2, %0)      \n\t"
        "movq  8(%1, %0), %%mm0         \n\t"
        "movq  8(%2, %0), %%mm1         \n\t"
        "paddb     %%mm0, %%mm1         \n\t"
        "movq      %%mm1, 8(%2, %0)     \n\t"
        "add         $16, %0            \n\t"
        "2:                             \n\t"
        "cmp          %3, %0            \n\t"
        "js           1b                \n\t"
        : "+r"(i)
        : "r"(src), "r"(dst), "r"((x86_reg)w - 15)
    );
    for ( ; i < w; i++)
        dst[i + 0] += src[i + 0];
}

#if HAVE_7REGS
static void add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top,
                                            const uint8_t *diff, int w,
                                            int *left, int *left_top)
{
    x86_reg w2 = -w;
    x86_reg x;
    int l  = *left     & 0xff;
    int tl = *left_top & 0xff;
    int t;
    __asm__ volatile (
        "mov          %7, %3            \n"
        "1:                             \n"
        "movzbl (%3, %4), %2            \n"
        "mov          %2, %k3           \n"
        "sub         %b1, %b3           \n"
        "add         %b0, %b3           \n"
        "mov          %2, %1            \n"
        "cmp          %0, %2            \n"
        "cmovg        %0, %2            \n"
        "cmovg        %1, %0            \n"
        "cmp         %k3, %0            \n"
        "cmovg       %k3, %0            \n"
        "mov          %7, %3            \n"
        "cmp          %2, %0            \n"
        "cmovl        %2, %0            \n"
        "add    (%6, %4), %b0           \n"
        "mov         %b0, (%5, %4)      \n"
        "inc          %4                \n"
        "jl           1b                \n"
        : "+&q"(l), "+&q"(tl), "=&r"(t), "=&q"(x), "+&r"(w2)
        : "r"(dst + w), "r"(diff + w), "rm"(top + w)
    );
    *left     = l;
    *left_top = tl;
}
#endif

static inline void transpose4x4(uint8_t *dst, uint8_t *src, x86_reg dst_stride, x86_reg src_stride){
    __asm__ volatile( //FIXME could save 1 instruction if done as 8x4 ...
        "movd  (%1), %%mm0              \n\t"
        "add   %3, %1                   \n\t"
        "movd  (%1), %%mm1              \n\t"
        "movd  (%1,%3,1), %%mm2         \n\t"
        "movd  (%1,%3,2), %%mm3         \n\t"
        "punpcklbw %%mm1, %%mm0         \n\t"
        "punpcklbw %%mm3, %%mm2         \n\t"
        "movq %%mm0, %%mm1              \n\t"
        "punpcklwd %%mm2, %%mm0         \n\t"
        "punpckhwd %%mm2, %%mm1         \n\t"
        "movd  %%mm0, (%0)              \n\t"
        "add   %2, %0                   \n\t"
        "punpckhdq %%mm0, %%mm0         \n\t"
        "movd  %%mm0, (%0)              \n\t"
        "movd  %%mm1, (%0,%2,1)         \n\t"
        "punpckhdq %%mm1, %%mm1         \n\t"
        "movd  %%mm1, (%0,%2,2)         \n\t"

        :  "+&r" (dst),
           "+&r" (src)
        :  "r" (dst_stride),
           "r" (src_stride)
        :  "memory"
    );
}

#define H263_LOOP_FILTER                        \
    "pxor      %%mm7, %%mm7             \n\t"   \
    "movq         %0, %%mm0             \n\t"   \
    "movq         %0, %%mm1             \n\t"   \
    "movq         %3, %%mm2             \n\t"   \
    "movq         %3, %%mm3             \n\t"   \
    "punpcklbw %%mm7, %%mm0             \n\t"   \
    "punpckhbw %%mm7, %%mm1             \n\t"   \
    "punpcklbw %%mm7, %%mm2             \n\t"   \
    "punpckhbw %%mm7, %%mm3             \n\t"   \
    "psubw     %%mm2, %%mm0             \n\t"   \
    "psubw     %%mm3, %%mm1             \n\t"   \
    "movq         %1, %%mm2             \n\t"   \
    "movq         %1, %%mm3             \n\t"   \
    "movq         %2, %%mm4             \n\t"   \
    "movq         %2, %%mm5             \n\t"   \
    "punpcklbw %%mm7, %%mm2             \n\t"   \
    "punpckhbw %%mm7, %%mm3             \n\t"   \
    "punpcklbw %%mm7, %%mm4             \n\t"   \
    "punpckhbw %%mm7, %%mm5             \n\t"   \
    "psubw     %%mm2, %%mm4             \n\t"   \
    "psubw     %%mm3, %%mm5             \n\t"   \
    "psllw        $2, %%mm4             \n\t"   \
    "psllw        $2, %%mm5             \n\t"   \
    "paddw     %%mm0, %%mm4             \n\t"   \
    "paddw     %%mm1, %%mm5             \n\t"   \
    "pxor      %%mm6, %%mm6             \n\t"   \
    "pcmpgtw   %%mm4, %%mm6             \n\t"   \
    "pcmpgtw   %%mm5, %%mm7             \n\t"   \
    "pxor      %%mm6, %%mm4             \n\t"   \
    "pxor      %%mm7, %%mm5             \n\t"   \
    "psubw     %%mm6, %%mm4             \n\t"   \
    "psubw     %%mm7, %%mm5             \n\t"   \
    "psrlw        $3, %%mm4             \n\t"   \
    "psrlw        $3, %%mm5             \n\t"   \
    "packuswb  %%mm5, %%mm4             \n\t"   \
    "packsswb  %%mm7, %%mm6             \n\t"   \
    "pxor      %%mm7, %%mm7             \n\t"   \
    "movd         %4, %%mm2             \n\t"   \
    "punpcklbw %%mm2, %%mm2             \n\t"   \
    "punpcklbw %%mm2, %%mm2             \n\t"   \
    "punpcklbw %%mm2, %%mm2             \n\t"   \
    "psubusb   %%mm4, %%mm2             \n\t"   \
    "movq      %%mm2, %%mm3             \n\t"   \
    "psubusb   %%mm4, %%mm3             \n\t"   \
    "psubb     %%mm3, %%mm2             \n\t"   \
    "movq         %1, %%mm3             \n\t"   \
    "movq         %2, %%mm4             \n\t"   \
    "pxor      %%mm6, %%mm3             \n\t"   \
    "pxor      %%mm6, %%mm4             \n\t"   \
    "paddusb   %%mm2, %%mm3             \n\t"   \
    "psubusb   %%mm2, %%mm4             \n\t"   \
    "pxor      %%mm6, %%mm3             \n\t"   \
    "pxor      %%mm6, %%mm4             \n\t"   \
    "paddusb   %%mm2, %%mm2             \n\t"   \
    "packsswb  %%mm1, %%mm0             \n\t"   \
    "pcmpgtb   %%mm0, %%mm7             \n\t"   \
    "pxor      %%mm7, %%mm0             \n\t"   \
    "psubb     %%mm7, %%mm0             \n\t"   \
    "movq      %%mm0, %%mm1             \n\t"   \
    "psubusb   %%mm2, %%mm0             \n\t"   \
    "psubb     %%mm0, %%mm1             \n\t"   \
    "pand         %5, %%mm1             \n\t"   \
    "psrlw        $2, %%mm1             \n\t"   \
    "pxor      %%mm7, %%mm1             \n\t"   \
    "psubb     %%mm7, %%mm1             \n\t"   \
    "movq         %0, %%mm5             \n\t"   \
    "movq         %3, %%mm6             \n\t"   \
    "psubb     %%mm1, %%mm5             \n\t"   \
    "paddb     %%mm1, %%mm6             \n\t"

static void h263_v_loop_filter_mmx(uint8_t *src, int stride, int qscale)
{
    if (CONFIG_H263_DECODER || CONFIG_H263_ENCODER) {
        const int strength = ff_h263_loop_filter_strength[qscale];

        __asm__ volatile (
            H263_LOOP_FILTER

            "movq %%mm3, %1             \n\t"
            "movq %%mm4, %2             \n\t"
            "movq %%mm5, %0             \n\t"
            "movq %%mm6, %3             \n\t"
            : "+m"(*(uint64_t*)(src - 2 * stride)),
              "+m"(*(uint64_t*)(src - 1 * stride)),
              "+m"(*(uint64_t*)(src + 0 * stride)),
              "+m"(*(uint64_t*)(src + 1 * stride))
            : "g"(2 * strength), "m"(ff_pb_FC)
            );
    }
}

static void h263_h_loop_filter_mmx(uint8_t *src, int stride, int qscale)
{
    if (CONFIG_H263_DECODER || CONFIG_H263_ENCODER) {
        const int strength = ff_h263_loop_filter_strength[qscale];
        DECLARE_ALIGNED(8, uint64_t, temp)[4];
        uint8_t *btemp = (uint8_t*)temp;

        src -= 2;

        transpose4x4(btemp,     src,              8, stride);
        transpose4x4(btemp + 4, src + 4 * stride, 8, stride);
        __asm__ volatile (
            H263_LOOP_FILTER // 5 3 4 6

            : "+m"(temp[0]),
              "+m"(temp[1]),
              "+m"(temp[2]),
              "+m"(temp[3])
            : "g"(2 * strength), "m"(ff_pb_FC)
            );

        __asm__ volatile (
            "movq      %%mm5, %%mm1         \n\t"
            "movq      %%mm4, %%mm0         \n\t"
            "punpcklbw %%mm3, %%mm5         \n\t"
            "punpcklbw %%mm6, %%mm4         \n\t"
            "punpckhbw %%mm3, %%mm1         \n\t"
            "punpckhbw %%mm6, %%mm0         \n\t"
            "movq      %%mm5, %%mm3         \n\t"
            "movq      %%mm1, %%mm6         \n\t"
            "punpcklwd %%mm4, %%mm5         \n\t"
            "punpcklwd %%mm0, %%mm1         \n\t"
            "punpckhwd %%mm4, %%mm3         \n\t"
            "punpckhwd %%mm0, %%mm6         \n\t"
            "movd      %%mm5, (%0)          \n\t"
            "punpckhdq %%mm5, %%mm5         \n\t"
            "movd      %%mm5, (%0, %2)      \n\t"
            "movd      %%mm3, (%0, %2, 2)   \n\t"
            "punpckhdq %%mm3, %%mm3         \n\t"
            "movd      %%mm3, (%0, %3)      \n\t"
            "movd      %%mm1, (%1)          \n\t"
            "punpckhdq %%mm1, %%mm1         \n\t"
            "movd      %%mm1, (%1, %2)      \n\t"
            "movd      %%mm6, (%1, %2, 2)   \n\t"
            "punpckhdq %%mm6, %%mm6         \n\t"
            "movd      %%mm6, (%1, %3)      \n\t"
            :: "r"(src),
               "r"(src + 4 * stride),
               "r"((x86_reg)stride),
               "r"((x86_reg)(3 * stride))
            );
    }
}

/* Draw the edges of width 'w' of an image of size width, height
 * this MMX version can only handle w == 8 || w == 16. */
static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
                           int w, int h, int sides)
{
    uint8_t *ptr, *last_line;
    int i;

    last_line = buf + (height - 1) * wrap;
    /* left and right */
    ptr = buf;
    if (w == 8) {
        __asm__ volatile (
            "1:                             \n\t"
            "movd            (%0), %%mm0    \n\t"
            "punpcklbw      %%mm0, %%mm0    \n\t"
            "punpcklwd      %%mm0, %%mm0    \n\t"
            "punpckldq      %%mm0, %%mm0    \n\t"
            "movq           %%mm0, -8(%0)   \n\t"
            "movq      -8(%0, %2), %%mm1    \n\t"
            "punpckhbw      %%mm1, %%mm1    \n\t"
            "punpckhwd      %%mm1, %%mm1    \n\t"
            "punpckhdq      %%mm1, %%mm1    \n\t"
            "movq           %%mm1, (%0, %2) \n\t"
            "add               %1, %0       \n\t"
            "cmp               %3, %0       \n\t"
            "jb                1b           \n\t"
            : "+r"(ptr)
            : "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
            );
    } else {
        __asm__ volatile (
            "1:                                 \n\t"
            "movd            (%0), %%mm0        \n\t"
            "punpcklbw      %%mm0, %%mm0        \n\t"
            "punpcklwd      %%mm0, %%mm0        \n\t"
            "punpckldq      %%mm0, %%mm0        \n\t"
            "movq           %%mm0, -8(%0)       \n\t"
            "movq           %%mm0, -16(%0)      \n\t"
            "movq      -8(%0, %2), %%mm1        \n\t"
            "punpckhbw      %%mm1, %%mm1        \n\t"
            "punpckhwd      %%mm1, %%mm1        \n\t"
            "punpckhdq      %%mm1, %%mm1        \n\t"
            "movq           %%mm1,  (%0, %2)    \n\t"
            "movq           %%mm1, 8(%0, %2)    \n\t"
            "add               %1, %0           \n\t"
            "cmp               %3, %0           \n\t"
            "jb                1b               \n\t"
            : "+r"(ptr)
            : "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
            );
    }

    /* top and bottom (and hopefully also the corners) */
    if (sides & EDGE_TOP) {
        for (i = 0; i < h; i += 4) {
            ptr = buf - (i + 1) * wrap - w;
            __asm__ volatile (
                "1:                             \n\t"
                "movq (%1, %0), %%mm0           \n\t"
                "movq    %%mm0, (%0)            \n\t"
                "movq    %%mm0, (%0, %2)        \n\t"
                "movq    %%mm0, (%0, %2, 2)     \n\t"
                "movq    %%mm0, (%0, %3)        \n\t"
                "add        $8, %0              \n\t"
                "cmp        %4, %0              \n\t"
                "jb         1b                  \n\t"
                : "+r"(ptr)
                : "r"((x86_reg)buf - (x86_reg)ptr - w), "r"((x86_reg) -wrap),
                  "r"((x86_reg) -wrap * 3), "r"(ptr + width + 2 * w)
                );
        }
    }

    if (sides & EDGE_BOTTOM) {
        for (i = 0; i < h; i += 4) {
            ptr = last_line + (i + 1) * wrap - w;
            __asm__ volatile (
                "1:                             \n\t"
                "movq (%1, %0), %%mm0           \n\t"
                "movq    %%mm0, (%0)            \n\t"
                "movq    %%mm0, (%0, %2)        \n\t"
                "movq    %%mm0, (%0, %2, 2)     \n\t"
                "movq    %%mm0, (%0, %3)        \n\t"
                "add        $8, %0              \n\t"
                "cmp        %4, %0              \n\t"
                "jb         1b                  \n\t"
                : "+r"(ptr)
                : "r"((x86_reg)last_line - (x86_reg)ptr - w),
                  "r"((x86_reg)wrap), "r"((x86_reg)wrap * 3),
                  "r"(ptr + width + 2 * w)
                );
        }
    }
}

#define QPEL_V_LOW(m3, m4, m5, m6, pw_20, pw_3, rnd,                      \
                   in0, in1, in2, in7, out, OP)                           \
    "paddw               "#m4", "#m3"   \n\t" /* x1 */                    \
    "movq   "MANGLE(ff_pw_20)", %%mm4   \n\t" /* 20 */                    \
    "pmullw              "#m3", %%mm4   \n\t" /* 20x1 */                  \
    "movq               "#in7", "#m3"   \n\t" /* d */                     \
    "movq               "#in0", %%mm5   \n\t" /* D */                     \
    "paddw               "#m3", %%mm5   \n\t" /* x4 */                    \
    "psubw               %%mm5, %%mm4   \n\t" /* 20x1 - x4 */             \
    "movq               "#in1", %%mm5   \n\t" /* C */                     \
    "movq               "#in2", %%mm6   \n\t" /* B */                     \
    "paddw               "#m6", %%mm5   \n\t" /* x3 */                    \
    "paddw               "#m5", %%mm6   \n\t" /* x2 */                    \
    "paddw               %%mm6, %%mm6   \n\t" /* 2x2 */                   \
    "psubw               %%mm6, %%mm5   \n\t" /* -2x2 + x3 */             \
    "pmullw  "MANGLE(ff_pw_3)", %%mm5   \n\t" /* -6x2 + 3x3 */            \
    "paddw              "#rnd", %%mm4   \n\t" /* x2 */                    \
    "paddw               %%mm4, %%mm5   \n\t" /* 20x1 - 6x2 + 3x3 - x4 */ \
    "psraw                  $5, %%mm5   \n\t"                             \
    "packuswb            %%mm5, %%mm5   \n\t"                             \
    OP(%%mm5, out, %%mm7, d)

#define QPEL_BASE(OPNAME, ROUNDER, RND, OP_MMXEXT)                        \
static void OPNAME ## mpeg4_qpel16_h_lowpass_mmxext(uint8_t *dst,         \
                                                    uint8_t *src,         \
                                                    int dstStride,        \
                                                    int srcStride,        \
                                                    int h)                \
{                                                                         \
    uint64_t temp;                                                        \
                                                                          \
    __asm__ volatile (                                                    \
        "pxor      %%mm7, %%mm7             \n\t"                         \
        "1:                                 \n\t"                         \
        "movq       (%0), %%mm0             \n\t" /* ABCDEFGH */          \
        "movq      %%mm0, %%mm1             \n\t" /* ABCDEFGH */          \
        "movq      %%mm0, %%mm2             \n\t" /* ABCDEFGH */          \
        "punpcklbw %%mm7, %%mm0             \n\t" /* 0A0B0C0D */          \
        "punpckhbw %%mm7, %%mm1             \n\t" /* 0E0F0G0H */          \
        "pshufw    $0x90, %%mm0, %%mm5      \n\t" /* 0A0A0B0C */          \
        "pshufw    $0x41, %%mm0, %%mm6      \n\t" /* 0B0A0A0B */          \
        "movq      %%mm2, %%mm3             \n\t" /* ABCDEFGH */          \
        "movq      %%mm2, %%mm4             \n\t" /* ABCDEFGH */          \
        "psllq        $8, %%mm2             \n\t" /* 0ABCDEFG */          \
        "psllq       $16, %%mm3             \n\t" /* 00ABCDEF */          \
        "psllq       $24, %%mm4             \n\t" /* 000ABCDE */          \
        "punpckhbw %%mm7, %%mm2             \n\t" /* 0D0E0F0G */          \
        "punpckhbw %%mm7, %%mm3             \n\t" /* 0C0D0E0F */          \
        "punpckhbw %%mm7, %%mm4             \n\t" /* 0B0C0D0E */          \
        "paddw     %%mm3, %%mm5             \n\t" /* b */                 \
        "paddw     %%mm2, %%mm6             \n\t" /* c */                 \
        "paddw     %%mm5, %%mm5             \n\t" /* 2b */                \
        "psubw     %%mm5, %%mm6             \n\t" /* c - 2b */            \
        "pshufw    $0x06, %%mm0, %%mm5      \n\t" /* 0C0B0A0A */          \
        "pmullw "MANGLE(ff_pw_3)", %%mm6    \n\t" /* 3c - 6b */           \
        "paddw     %%mm4, %%mm0             \n\t" /* a */                 \
        "paddw     %%mm1, %%mm5             \n\t" /* d */                 \
        "pmullw "MANGLE(ff_pw_20)", %%mm0   \n\t" /* 20a */               \
        "psubw     %%mm5, %%mm0             \n\t" /* 20a - d */           \
        "paddw        %6, %%mm6             \n\t"                         \
        "paddw     %%mm6, %%mm0             \n\t" /* 20a - 6b + 3c - d */ \
        "psraw        $5, %%mm0             \n\t"                         \
        "movq      %%mm0, %5                \n\t"                         \
        /* mm1 = EFGH, mm2 = DEFG, mm3 = CDEF, mm4 = BCDE, mm7 = 0 */     \
                                                                          \
        "movq      5(%0), %%mm0             \n\t" /* FGHIJKLM */          \
        "movq      %%mm0, %%mm5             \n\t" /* FGHIJKLM */          \
        "movq      %%mm0, %%mm6             \n\t" /* FGHIJKLM */          \
        "psrlq        $8, %%mm0             \n\t" /* GHIJKLM0 */          \
        "psrlq       $16, %%mm5             \n\t" /* HIJKLM00 */          \
        "punpcklbw %%mm7, %%mm0             \n\t" /* 0G0H0I0J */          \
        "punpcklbw %%mm7, %%mm5             \n\t" /* 0H0I0J0K */          \
        "paddw     %%mm0, %%mm2             \n\t" /* b */                 \
        "paddw     %%mm5, %%mm3             \n\t" /* c */                 \
        "paddw     %%mm2, %%mm2             \n\t" /* 2b */                \
        "psubw     %%mm2, %%mm3             \n\t" /* c - 2b */            \
        "movq      %%mm6, %%mm2             \n\t" /* FGHIJKLM */          \
        "psrlq       $24, %%mm6             \n\t" /* IJKLM000 */          \
        "punpcklbw %%mm7, %%mm2             \n\t" /* 0F0G0H0I */          \
        "punpcklbw %%mm7, %%mm6             \n\t" /* 0I0J0K0L */          \
        "pmullw "MANGLE(ff_pw_3)", %%mm3    \n\t" /* 3c - 6b */           \
        "paddw     %%mm2, %%mm1             \n\t" /* a */                 \
        "paddw     %%mm6, %%mm4             \n\t" /* d */                 \
        "pmullw "MANGLE(ff_pw_20)", %%mm1   \n\t" /* 20a */               \
        "psubw     %%mm4, %%mm3             \n\t" /* - 6b +3c - d */      \
        "paddw        %6, %%mm1             \n\t"                         \
        "paddw     %%mm1, %%mm3             \n\t" /* 20a - 6b +3c - d */  \
        "psraw        $5, %%mm3             \n\t"                         \
        "movq         %5, %%mm1             \n\t"                         \
        "packuswb  %%mm3, %%mm1             \n\t"                         \
        OP_MMXEXT(%%mm1, (%1), %%mm4, q)                                  \
        /* mm0 = GHIJ, mm2 = FGHI, mm5 = HIJK, mm6 = IJKL, mm7 = 0 */     \
                                                                          \
        "movq      9(%0), %%mm1             \n\t" /* JKLMNOPQ */          \
        "movq      %%mm1, %%mm4             \n\t" /* JKLMNOPQ */          \
        "movq      %%mm1, %%mm3             \n\t" /* JKLMNOPQ */          \
        "psrlq        $8, %%mm1             \n\t" /* KLMNOPQ0 */          \
        "psrlq       $16, %%mm4             \n\t" /* LMNOPQ00 */          \
        "punpcklbw %%mm7, %%mm1             \n\t" /* 0K0L0M0N */          \
        "punpcklbw %%mm7, %%mm4             \n\t" /* 0L0M0N0O */          \
        "paddw     %%mm1, %%mm5             \n\t" /* b */                 \
        "paddw     %%mm4, %%mm0             \n\t" /* c */                 \
        "paddw     %%mm5, %%mm5             \n\t" /* 2b */                \
        "psubw     %%mm5, %%mm0             \n\t" /* c - 2b */            \
        "movq      %%mm3, %%mm5             \n\t" /* JKLMNOPQ */          \
        "psrlq       $24, %%mm3             \n\t" /* MNOPQ000 */          \
        "pmullw "MANGLE(ff_pw_3)", %%mm0    \n\t" /* 3c - 6b */           \
        "punpcklbw %%mm7, %%mm3             \n\t" /* 0M0N0O0P */          \
        "paddw     %%mm3, %%mm2             \n\t" /* d */                 \
        "psubw     %%mm2, %%mm0             \n\t" /* -6b + 3c - d */      \
        "movq      %%mm5, %%mm2             \n\t" /* JKLMNOPQ */          \
        "punpcklbw %%mm7, %%mm2             \n\t" /* 0J0K0L0M */          \
        "punpckhbw %%mm7, %%mm5             \n\t" /* 0N0O0P0Q */          \
        "paddw     %%mm2, %%mm6             \n\t" /* a */                 \
        "pmullw "MANGLE(ff_pw_20)", %%mm6   \n\t" /* 20a */               \
        "paddw        %6, %%mm0             \n\t"                         \
        "paddw     %%mm6, %%mm0             \n\t" /* 20a - 6b + 3c - d */ \
        "psraw        $5, %%mm0             \n\t"                         \
        /* mm1 = KLMN, mm2 = JKLM, mm3 = MNOP, */                         \
        /* mm4 = LMNO, mm5 = NOPQ mm7 = 0 */                              \
                                                                          \
        "paddw    %%mm5, %%mm3              \n\t" /* a */                 \
        "pshufw   $0xF9, %%mm5, %%mm6       \n\t" /* 0O0P0Q0Q */          \
        "paddw    %%mm4, %%mm6              \n\t" /* b */                 \
        "pshufw   $0xBE, %%mm5, %%mm4       \n\t" /* 0P0Q0Q0P */          \
        "pshufw   $0x6F, %%mm5, %%mm5       \n\t" /* 0Q0Q0P0O */          \
        "paddw    %%mm1, %%mm4              \n\t" /* c */                 \
        "paddw    %%mm2, %%mm5              \n\t" /* d */                 \
        "paddw    %%mm6, %%mm6              \n\t" /* 2b */                \
        "psubw    %%mm6, %%mm4              \n\t" /* c - 2b */            \
        "pmullw "MANGLE(ff_pw_20)", %%mm3   \n\t" /* 20a */               \
        "pmullw  "MANGLE(ff_pw_3)", %%mm4   \n\t" /* 3c - 6b */           \
        "psubw    %%mm5, %%mm3              \n\t" /* -6b + 3c - d */      \
        "paddw       %6, %%mm4              \n\t"                         \
        "paddw    %%mm3, %%mm4              \n\t" /* 20a - 6b + 3c - d */ \
        "psraw       $5, %%mm4              \n\t"                         \
        "packuswb %%mm4, %%mm0              \n\t"                         \
        OP_MMXEXT(%%mm0, 8(%1), %%mm4, q)                                 \
                                                                          \
        "add         %3, %0                 \n\t"                         \
        "add         %4, %1                 \n\t"                         \
        "decl        %2                     \n\t"                         \
        "jnz         1b                     \n\t"                         \
        : "+a"(src), "+c"(dst), "+D"(h)                                   \
        : "d"((x86_reg)srcStride), "S"((x86_reg)dstStride),               \
          /* "m"(ff_pw_20), "m"(ff_pw_3), */ "m"(temp), "m"(ROUNDER)      \
        : "memory"                                                        \
        );                                                                \
}                                                                         \
                                                                          \
static void OPNAME ## mpeg4_qpel8_h_lowpass_mmxext(uint8_t *dst,          \
                                                   uint8_t *src,          \
                                                   int dstStride,         \
                                                   int srcStride,         \
                                                   int h)                 \
{                                                                         \
    __asm__ volatile (                                                    \
        "pxor      %%mm7, %%mm7             \n\t"                         \
        "1:                                 \n\t"                         \
        "movq       (%0), %%mm0             \n\t" /* ABCDEFGH */          \
        "movq      %%mm0, %%mm1             \n\t" /* ABCDEFGH */          \
        "movq      %%mm0, %%mm2             \n\t" /* ABCDEFGH */          \
        "punpcklbw %%mm7, %%mm0             \n\t" /* 0A0B0C0D */          \
        "punpckhbw %%mm7, %%mm1             \n\t" /* 0E0F0G0H */          \
        "pshufw    $0x90, %%mm0, %%mm5      \n\t" /* 0A0A0B0C */          \
        "pshufw    $0x41, %%mm0, %%mm6      \n\t" /* 0B0A0A0B */          \
        "movq      %%mm2, %%mm3             \n\t" /* ABCDEFGH */          \
        "movq      %%mm2, %%mm4             \n\t" /* ABCDEFGH */          \
        "psllq        $8, %%mm2             \n\t" /* 0ABCDEFG */          \
        "psllq       $16, %%mm3             \n\t" /* 00ABCDEF */          \
        "psllq       $24, %%mm4             \n\t" /* 000ABCDE */          \
        "punpckhbw %%mm7, %%mm2             \n\t" /* 0D0E0F0G */          \
        "punpckhbw %%mm7, %%mm3             \n\t" /* 0C0D0E0F */          \
        "punpckhbw %%mm7, %%mm4             \n\t" /* 0B0C0D0E */          \
        "paddw     %%mm3, %%mm5             \n\t" /* b */                 \
        "paddw     %%mm2, %%mm6             \n\t" /* c */                 \
        "paddw     %%mm5, %%mm5             \n\t" /* 2b */                \
        "psubw     %%mm5, %%mm6             \n\t" /* c - 2b */            \
        "pshufw    $0x06, %%mm0, %%mm5      \n\t" /* 0C0B0A0A */          \
        "pmullw "MANGLE(ff_pw_3)", %%mm6    \n\t" /* 3c - 6b */           \
        "paddw     %%mm4, %%mm0             \n\t" /* a */                 \
        "paddw     %%mm1, %%mm5             \n\t" /* d */                 \
        "pmullw "MANGLE(ff_pw_20)", %%mm0   \n\t" /* 20a */               \
        "psubw     %%mm5, %%mm0             \n\t" /* 20a - d */           \
        "paddw        %5, %%mm6             \n\t"                         \
        "paddw     %%mm6, %%mm0             \n\t" /* 20a - 6b + 3c - d */ \
        "psraw        $5, %%mm0             \n\t"                         \
        /* mm1 = EFGH, mm2 = DEFG, mm3 = CDEF, mm4 = BCDE, mm7 = 0 */     \
                                                                          \
        "movd      5(%0), %%mm5             \n\t" /* FGHI */              \
        "punpcklbw %%mm7, %%mm5             \n\t" /* 0F0G0H0I */          \
        "pshufw    $0xF9, %%mm5, %%mm6      \n\t" /* 0G0H0I0I */          \
        "paddw     %%mm5, %%mm1             \n\t" /* a */                 \
        "paddw     %%mm6, %%mm2             \n\t" /* b */                 \
        "pshufw    $0xBE, %%mm5, %%mm6      \n\t" /* 0H0I0I0H */          \
        "pshufw    $0x6F, %%mm5, %%mm5      \n\t" /* 0I0I0H0G */          \
        "paddw     %%mm6, %%mm3             \n\t" /* c */                 \
        "paddw     %%mm5, %%mm4             \n\t" /* d */                 \
        "paddw     %%mm2, %%mm2             \n\t" /* 2b */                \
        "psubw     %%mm2, %%mm3             \n\t" /* c - 2b */            \
        "pmullw "MANGLE(ff_pw_20)", %%mm1   \n\t" /* 20a */               \
        "pmullw  "MANGLE(ff_pw_3)", %%mm3   \n\t" /* 3c - 6b */           \
        "psubw     %%mm4, %%mm3             \n\t" /* -6b + 3c - d */      \
        "paddw        %5, %%mm1             \n\t"                         \
        "paddw     %%mm1, %%mm3             \n\t" /* 20a - 6b + 3c - d */ \
        "psraw        $5, %%mm3             \n\t"                         \
        "packuswb  %%mm3, %%mm0             \n\t"                         \
        OP_MMXEXT(%%mm0, (%1), %%mm4, q)                                  \
                                                                          \
        "add          %3, %0                \n\t"                         \
        "add          %4, %1                \n\t"                         \
        "decl         %2                    \n\t"                         \
        "jnz          1b                    \n\t"                         \
        : "+a"(src), "+c"(dst), "+d"(h)                                   \
        : "S"((x86_reg)srcStride), "D"((x86_reg)dstStride),               \
          /* "m"(ff_pw_20), "m"(ff_pw_3), */ "m"(ROUNDER)                 \
        : "memory"                                                        \
        );                                                                \
}

#define QPEL_OP(OPNAME, ROUNDER, RND, OP, MMX)                          \
static void OPNAME ## mpeg4_qpel16_v_lowpass_ ## MMX(uint8_t *dst,      \
                                                     uint8_t *src,      \
                                                     int dstStride,     \
                                                     int srcStride)     \
{                                                                       \
    uint64_t temp[17 * 4];                                              \
    uint64_t *temp_ptr = temp;                                          \
    int count = 17;                                                     \
                                                                        \
    /* FIXME unroll */                                                  \
    __asm__ volatile (                                                  \
        "pxor      %%mm7, %%mm7             \n\t"                       \
        "1:                                 \n\t"                       \
        "movq       (%0), %%mm0             \n\t"                       \
        "movq       (%0), %%mm1             \n\t"                       \
        "movq      8(%0), %%mm2             \n\t"                       \
        "movq      8(%0), %%mm3             \n\t"                       \
        "punpcklbw %%mm7, %%mm0             \n\t"                       \
        "punpckhbw %%mm7, %%mm1             \n\t"                       \
        "punpcklbw %%mm7, %%mm2             \n\t"                       \
        "punpckhbw %%mm7, %%mm3             \n\t"                       \
        "movq      %%mm0, (%1)              \n\t"                       \
        "movq      %%mm1, 17 * 8(%1)        \n\t"                       \
        "movq      %%mm2, 2 * 17 * 8(%1)    \n\t"                       \
        "movq      %%mm3, 3 * 17 * 8(%1)    \n\t"                       \
        "add          $8, %1                \n\t"                       \
        "add          %3, %0                \n\t"                       \
        "decl         %2                    \n\t"                       \
        "jnz          1b                    \n\t"                       \
        : "+r"(src), "+r"(temp_ptr), "+r"(count)                        \
        : "r"((x86_reg)srcStride)                                       \
        : "memory"                                                      \
        );                                                              \
                                                                        \
    temp_ptr = temp;                                                    \
    count    = 4;                                                       \
                                                                        \
    /* FIXME reorder for speed */                                       \
    __asm__ volatile (                                                  \
        /* "pxor  %%mm7, %%mm7            \n\t" */                      \
        "1:                             \n\t"                           \
        "movq    (%0), %%mm0            \n\t"                           \
        "movq   8(%0), %%mm1            \n\t"                           \
        "movq  16(%0), %%mm2            \n\t"                           \
        "movq  24(%0), %%mm3            \n\t"                           \
        QPEL_V_LOW(%%mm0, %%mm1, %%mm2, %%mm3, %5, %6, %5, 16(%0),   8(%0),    (%0),  32(%0), (%1),     OP) \
        QPEL_V_LOW(%%mm1, %%mm2, %%mm3, %%mm0, %5, %6, %5,  8(%0),    (%0),    (%0),  40(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm2, %%mm3, %%mm0, %%mm1, %5, %6, %5,   (%0),    (%0),   8(%0),  48(%0), (%1),     OP) \
                                                                        \
        QPEL_V_LOW(%%mm3, %%mm0, %%mm1, %%mm2, %5, %6, %5,   (%0),   8(%0),  16(%0),  56(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm0, %%mm1, %%mm2, %%mm3, %5, %6, %5,  8(%0),  16(%0),  24(%0),  64(%0), (%1),     OP) \
        QPEL_V_LOW(%%mm1, %%mm2, %%mm3, %%mm0, %5, %6, %5, 16(%0),  24(%0),  32(%0),  72(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm2, %%mm3, %%mm0, %%mm1, %5, %6, %5, 24(%0),  32(%0),  40(%0),  80(%0), (%1),     OP) \
        QPEL_V_LOW(%%mm3, %%mm0, %%mm1, %%mm2, %5, %6, %5, 32(%0),  40(%0),  48(%0),  88(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm0, %%mm1, %%mm2, %%mm3, %5, %6, %5, 40(%0),  48(%0),  56(%0),  96(%0), (%1),     OP) \
        QPEL_V_LOW(%%mm1, %%mm2, %%mm3, %%mm0, %5, %6, %5, 48(%0),  56(%0),  64(%0), 104(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm2, %%mm3, %%mm0, %%mm1, %5, %6, %5, 56(%0),  64(%0),  72(%0), 112(%0), (%1),     OP) \
        QPEL_V_LOW(%%mm3, %%mm0, %%mm1, %%mm2, %5, %6, %5, 64(%0),  72(%0),  80(%0), 120(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm0, %%mm1, %%mm2, %%mm3, %5, %6, %5, 72(%0),  80(%0),  88(%0), 128(%0), (%1),     OP) \
                                                                        \
        QPEL_V_LOW(%%mm1, %%mm2, %%mm3, %%mm0, %5, %6, %5, 80(%0),  88(%0),  96(%0), 128(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm2, %%mm3, %%mm0, %%mm1, %5, %6, %5, 88(%0),  96(%0), 104(%0), 120(%0), (%1),     OP) \
        QPEL_V_LOW(%%mm3, %%mm0, %%mm1, %%mm2, %5, %6, %5, 96(%0), 104(%0), 112(%0), 112(%0), (%1, %3), OP) \
                                                                        \
        "add     $136, %0               \n\t"                           \
        "add       %6, %1               \n\t"                           \
        "decl      %2                   \n\t"                           \
        "jnz       1b                   \n\t"                           \
                                                                        \
        : "+r"(temp_ptr), "+r"(dst), "+g"(count)                        \
        : "r"((x86_reg)dstStride), "r"(2 * (x86_reg)dstStride),         \
          /* "m"(ff_pw_20), "m"(ff_pw_3), */ "m"(ROUNDER),              \
          "g"(4 - 14 * (x86_reg)dstStride)                              \
        : "memory"                                                      \
        );                                                              \
}                                                                       \
                                                                        \
static void OPNAME ## mpeg4_qpel8_v_lowpass_ ## MMX(uint8_t *dst,       \
                                                    uint8_t *src,       \
                                                    int dstStride,      \
                                                    int srcStride)      \
{                                                                       \
    uint64_t temp[9 * 2];                                               \
    uint64_t *temp_ptr = temp;                                          \
    int count = 9;                                                      \
                                                                        \
    /* FIXME unroll */                                                  \
    __asm__ volatile (                                                  \
        "pxor      %%mm7, %%mm7         \n\t"                           \
        "1:                             \n\t"                           \
        "movq       (%0), %%mm0         \n\t"                           \
        "movq       (%0), %%mm1         \n\t"                           \
        "punpcklbw %%mm7, %%mm0         \n\t"                           \
        "punpckhbw %%mm7, %%mm1         \n\t"                           \
        "movq      %%mm0, (%1)          \n\t"                           \
        "movq      %%mm1, 9*8(%1)       \n\t"                           \
        "add          $8, %1            \n\t"                           \
        "add          %3, %0            \n\t"                           \
        "decl         %2                \n\t"                           \
        "jnz          1b                \n\t"                           \
        : "+r"(src), "+r"(temp_ptr), "+r"(count)                        \
        : "r"((x86_reg)srcStride)                                       \
        : "memory"                                                      \
        );                                                              \
                                                                        \
    temp_ptr = temp;                                                    \
    count    = 2;                                                       \
                                                                        \
    /* FIXME reorder for speed */                                       \
    __asm__ volatile (                                                  \
        /* "pxor  %%mm7, %%mm7            \n\t" */                      \
        "1:                             \n\t"                           \
        "movq    (%0), %%mm0            \n\t"                           \
        "movq   8(%0), %%mm1            \n\t"                           \
        "movq  16(%0), %%mm2            \n\t"                           \
        "movq  24(%0), %%mm3            \n\t"                           \
        QPEL_V_LOW(%%mm0, %%mm1, %%mm2, %%mm3, %5, %6, %5, 16(%0),  8(%0),   (%0), 32(%0), (%1), OP)     \
        QPEL_V_LOW(%%mm1, %%mm2, %%mm3, %%mm0, %5, %6, %5,  8(%0),   (%0),   (%0), 40(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm2, %%mm3, %%mm0, %%mm1, %5, %6, %5,   (%0),   (%0),  8(%0), 48(%0), (%1), OP)     \
                                                                        \
        QPEL_V_LOW(%%mm3, %%mm0, %%mm1, %%mm2, %5, %6, %5,   (%0),  8(%0), 16(%0), 56(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm0, %%mm1, %%mm2, %%mm3, %5, %6, %5,  8(%0), 16(%0), 24(%0), 64(%0), (%1), OP)     \
                                                                        \
        QPEL_V_LOW(%%mm1, %%mm2, %%mm3, %%mm0, %5, %6, %5, 16(%0), 24(%0), 32(%0), 64(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm2, %%mm3, %%mm0, %%mm1, %5, %6, %5, 24(%0), 32(%0), 40(%0), 56(%0), (%1), OP)     \
        QPEL_V_LOW(%%mm3, %%mm0, %%mm1, %%mm2, %5, %6, %5, 32(%0), 40(%0), 48(%0), 48(%0), (%1, %3), OP) \
                                                                        \
        "add      $72, %0               \n\t"                           \
        "add       %6, %1               \n\t"                           \
        "decl      %2                   \n\t"                           \
        "jnz       1b                   \n\t"                           \
                                                                        \
        : "+r"(temp_ptr), "+r"(dst), "+g"(count)                        \
        : "r"((x86_reg)dstStride), "r"(2 * (x86_reg)dstStride),         \
          /* "m"(ff_pw_20), "m"(ff_pw_3), */ "m"(ROUNDER),              \
          "g"(4 - 6 * (x86_reg)dstStride)                               \
        : "memory"                                                      \
        );                                                              \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc00_ ## MMX (uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    OPNAME ## pixels8_ ## MMX(dst, src, stride, 8);                     \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc10_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t temp[8];                                                   \
    uint8_t * const half = (uint8_t*)temp;                              \
    put ## RND ## mpeg4_qpel8_h_lowpass_ ## MMX(half, src, 8,           \
                                                stride, 8);             \
    OPNAME ## pixels8_l2_ ## MMX(dst, src, half, stride, stride, 8);    \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc20_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    OPNAME ## mpeg4_qpel8_h_lowpass_ ## MMX(dst, src, stride,           \
                                            stride, 8);                 \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc30_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t temp[8];                                                   \
    uint8_t * const half = (uint8_t*)temp;                              \
    put ## RND ## mpeg4_qpel8_h_lowpass_ ## MMX(half, src, 8,           \
                                                stride, 8);             \
    OPNAME ## pixels8_l2_ ## MMX(dst, src + 1, half, stride,            \
                                 stride, 8);                            \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc01_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t temp[8];                                                   \
    uint8_t * const half = (uint8_t*)temp;                              \
    put ## RND ## mpeg4_qpel8_v_lowpass_ ## MMX(half, src, 8, stride);  \
    OPNAME ## pixels8_l2_ ## MMX(dst, src, half, stride, stride, 8);    \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc02_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    OPNAME ## mpeg4_qpel8_v_lowpass_ ## MMX(dst, src, stride, stride);  \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc03_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t temp[8];                                                   \
    uint8_t * const half = (uint8_t*)temp;                              \
    put ## RND ## mpeg4_qpel8_v_lowpass_ ## MMX(half, src, 8, stride);  \
    OPNAME ## pixels8_l2_ ## MMX(dst, src + stride, half, stride,       \
                                 stride, 8);                            \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc11_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t half[8 + 9];                                               \
    uint8_t * const halfH  = ((uint8_t*)half) + 64;                     \
    uint8_t * const halfHV = ((uint8_t*)half);                          \
    put ## RND ## mpeg4_qpel8_h_lowpass_ ## MMX(halfH, src, 8,          \
                                                stride, 9);             \
    put ## RND ## pixels8_l2_ ## MMX(halfH, src, halfH, 8, stride, 9);  \
    put ## RND ## mpeg4_qpel8_v_lowpass_ ## MMX(halfHV, halfH, 8, 8);   \
    OPNAME ## pixels8_l2_ ## MMX(dst, halfH, halfHV, stride, 8, 8);     \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc31_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t half[8 + 9];                                               \
    uint8_t * const halfH  = ((uint8_t*)half) + 64;                     \
    uint8_t * const halfHV = ((uint8_t*)half);                          \
    put ## RND ## mpeg4_qpel8_h_lowpass_ ## MMX(halfH, src, 8,          \
                                                stride, 9);             \
    put ## RND ## pixels8_l2_ ## MMX(halfH, src + 1, halfH, 8,          \
                                     stride, 9);                        \
    put ## RND ## mpeg4_qpel8_v_lowpass_ ## MMX(halfHV, halfH, 8, 8);   \
    OPNAME ## pixels8_l2_ ## MMX(dst, halfH, halfHV, stride, 8, 8);     \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc13_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t half[8 + 9];                                               \
    uint8_t * const halfH  = ((uint8_t*)half) + 64;                     \
    uint8_t * const halfHV = ((uint8_t*)half);                          \
    put ## RND ## mpeg4_qpel8_h_lowpass_ ## MMX(halfH, src, 8,          \
                                                stride, 9);             \
    put ## RND ## pixels8_l2_ ## MMX(halfH, src, halfH, 8, stride, 9);  \
    put ## RND ## mpeg4_qpel8_v_lowpass_ ## MMX(halfHV, halfH, 8, 8);   \
    OPNAME ## pixels8_l2_ ## MMX(dst, halfH + 8, halfHV, stride, 8, 8); \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc33_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t half[8 + 9];                                               \
    uint8_t * const halfH  = ((uint8_t*)half) + 64;                     \
    uint8_t * const halfHV = ((uint8_t*)half);                          \
    put ## RND ## mpeg4_qpel8_h_lowpass_ ## MMX(halfH, src, 8,          \
                                                stride, 9);             \
    put ## RND ## pixels8_l2_ ## MMX(halfH, src + 1, halfH, 8,          \
                                     stride, 9);                        \
    put ## RND ## mpeg4_qpel8_v_lowpass_ ## MMX(halfHV, halfH, 8, 8);   \
    OPNAME ## pixels8_l2_ ## MMX(dst, halfH + 8, halfHV, stride, 8, 8); \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc21_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t half[8 + 9];                                               \
    uint8_t * const halfH  = ((uint8_t*)half) + 64;                     \
    uint8_t * const halfHV = ((uint8_t*)half);                          \
    put ## RND ## mpeg4_qpel8_h_lowpass_ ## MMX(halfH, src, 8,          \
                                                stride, 9);             \
    put ## RND ## mpeg4_qpel8_v_lowpass_ ## MMX(halfHV, halfH, 8, 8);   \
    OPNAME ## pixels8_l2_ ## MMX(dst, halfH, halfHV, stride, 8, 8);     \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc23_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t half[8 + 9];                                               \
    uint8_t * const halfH  = ((uint8_t*)half) + 64;                     \
    uint8_t * const halfHV = ((uint8_t*)half);                          \
    put ## RND ## mpeg4_qpel8_h_lowpass_ ## MMX(halfH, src, 8,          \
                                                stride, 9);             \
    put ## RND ## mpeg4_qpel8_v_lowpass_ ## MMX(halfHV, halfH, 8, 8);   \
    OPNAME ## pixels8_l2_ ## MMX(dst, halfH + 8, halfHV, stride, 8, 8); \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc12_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t half[8 + 9];                                               \
    uint8_t * const halfH = ((uint8_t*)half);                           \
    put ## RND ## mpeg4_qpel8_h_lowpass_ ## MMX(halfH, src, 8,          \
                                                stride, 9);             \
    put ## RND ## pixels8_l2_ ## MMX(halfH, src, halfH, 8, stride, 9);  \
    OPNAME ## mpeg4_qpel8_v_lowpass_ ## MMX(dst, halfH, stride, 8);     \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc32_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t half[8 + 9];                                               \
    uint8_t * const halfH = ((uint8_t*)half);                           \
    put ## RND ## mpeg4_qpel8_h_lowpass_ ## MMX(halfH, src, 8,          \
                                                stride, 9);             \
    put ## RND ## pixels8_l2_ ## MMX(halfH, src + 1, halfH, 8,          \
                                     stride, 9);                        \
    OPNAME ## mpeg4_qpel8_v_lowpass_ ## MMX(dst, halfH, stride, 8);     \
}                                                                       \
                                                                        \
static void OPNAME ## qpel8_mc22_ ## MMX(uint8_t *dst, uint8_t *src,    \
                                         int stride)                    \
{                                                                       \
    uint64_t half[9];                                                   \
    uint8_t * const halfH = ((uint8_t*)half);                           \
    put ## RND ## mpeg4_qpel8_h_lowpass_ ## MMX(halfH, src, 8,          \
                                                stride, 9);             \
    OPNAME ## mpeg4_qpel8_v_lowpass_ ## MMX(dst, halfH, stride, 8);     \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc00_ ## MMX (uint8_t *dst, uint8_t *src,  \
                                           int stride)                  \
{                                                                       \
    OPNAME ## pixels16_ ## MMX(dst, src, stride, 16);                   \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc10_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t temp[32];                                                  \
    uint8_t * const half = (uint8_t*)temp;                              \
    put ## RND ## mpeg4_qpel16_h_lowpass_ ## MMX(half, src, 16,         \
                                                 stride, 16);           \
    OPNAME ## pixels16_l2_ ## MMX(dst, src, half, stride, stride, 16);  \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc20_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    OPNAME ## mpeg4_qpel16_h_lowpass_ ## MMX(dst, src,                  \
                                             stride, stride, 16);       \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc30_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t temp[32];                                                  \
    uint8_t * const half = (uint8_t*)temp;                              \
    put ## RND ## mpeg4_qpel16_h_lowpass_ ## MMX(half, src, 16,         \
                                                 stride, 16);           \
    OPNAME ## pixels16_l2_ ## MMX(dst, src + 1, half,                   \
                                  stride, stride, 16);                  \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc01_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t temp[32];                                                  \
    uint8_t * const half = (uint8_t*)temp;                              \
    put ## RND ## mpeg4_qpel16_v_lowpass_ ## MMX(half, src, 16,         \
                                                 stride);               \
    OPNAME ## pixels16_l2_ ## MMX(dst, src, half, stride, stride, 16);  \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc02_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    OPNAME ## mpeg4_qpel16_v_lowpass_ ## MMX(dst, src, stride, stride); \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc03_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t temp[32];                                                  \
    uint8_t * const half = (uint8_t*)temp;                              \
    put ## RND ## mpeg4_qpel16_v_lowpass_ ## MMX(half, src, 16,         \
                                                 stride);               \
    OPNAME ## pixels16_l2_ ## MMX(dst, src+stride, half,                \
                                  stride, stride, 16);                  \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc11_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t half[16 * 2 + 17 * 2];                                     \
    uint8_t * const halfH  = ((uint8_t*)half) + 256;                    \
    uint8_t * const halfHV = ((uint8_t*)half);                          \
    put ## RND ## mpeg4_qpel16_h_lowpass_ ## MMX(halfH, src, 16,        \
                                                 stride, 17);           \
    put ## RND ## pixels16_l2_ ## MMX(halfH, src, halfH, 16,            \
                                      stride, 17);                      \
    put ## RND ## mpeg4_qpel16_v_lowpass_ ## MMX(halfHV, halfH,         \
                                                 16, 16);               \
    OPNAME ## pixels16_l2_ ## MMX(dst, halfH, halfHV, stride, 16, 16);  \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc31_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t half[16 * 2 + 17 * 2];                                     \
    uint8_t * const halfH  = ((uint8_t*)half) + 256;                    \
    uint8_t * const halfHV = ((uint8_t*)half);                          \
    put ## RND ## mpeg4_qpel16_h_lowpass_ ## MMX(halfH, src, 16,        \
                                                 stride, 17);           \
    put ## RND ## pixels16_l2_ ## MMX(halfH, src + 1, halfH, 16,        \
                                      stride, 17);                      \
    put ## RND ## mpeg4_qpel16_v_lowpass_ ## MMX(halfHV, halfH,         \
                                                 16, 16);               \
    OPNAME ## pixels16_l2_ ## MMX(dst, halfH, halfHV, stride, 16, 16);  \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc13_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t half[16 * 2 + 17 * 2];                                     \
    uint8_t * const halfH  = ((uint8_t*)half) + 256;                    \
    uint8_t * const halfHV = ((uint8_t*)half);                          \
    put ## RND ## mpeg4_qpel16_h_lowpass_ ## MMX(halfH, src, 16,        \
                                                 stride, 17);           \
    put ## RND ## pixels16_l2_ ## MMX(halfH, src, halfH, 16,            \
                                      stride, 17);                      \
    put ## RND ## mpeg4_qpel16_v_lowpass_ ## MMX(halfHV, halfH,         \
                                                 16, 16);               \
    OPNAME ## pixels16_l2_ ## MMX(dst, halfH + 16, halfHV, stride,      \
                                  16, 16);                              \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc33_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t half[16 * 2 + 17 * 2];                                     \
    uint8_t * const halfH  = ((uint8_t*)half) + 256;                    \
    uint8_t * const halfHV = ((uint8_t*)half);                          \
    put ## RND ## mpeg4_qpel16_h_lowpass_ ## MMX(halfH, src, 16,        \
                                                 stride, 17);           \
    put ## RND ## pixels16_l2_ ## MMX(halfH, src + 1, halfH, 16,        \
                                      stride, 17);                      \
    put ## RND ## mpeg4_qpel16_v_lowpass_ ## MMX(halfHV, halfH,         \
                                                 16, 16);               \
    OPNAME ## pixels16_l2_ ## MMX(dst, halfH + 16, halfHV, stride,      \
                                  16, 16);                              \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc21_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t half[16 * 2 + 17 * 2];                                     \
    uint8_t * const halfH  = ((uint8_t*)half) + 256;                    \
    uint8_t * const halfHV = ((uint8_t*)half);                          \
    put ## RND ## mpeg4_qpel16_h_lowpass_ ## MMX(halfH, src, 16,        \
                                                 stride, 17);           \
    put ## RND ## mpeg4_qpel16_v_lowpass_ ## MMX(halfHV, halfH,         \
                                                 16, 16);               \
    OPNAME ## pixels16_l2_ ## MMX(dst, halfH, halfHV, stride, 16, 16);  \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc23_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t half[16 * 2 + 17 * 2];                                     \
    uint8_t * const halfH  = ((uint8_t*)half) + 256;                    \
    uint8_t * const halfHV = ((uint8_t*)half);                          \
    put ## RND ## mpeg4_qpel16_h_lowpass_ ## MMX(halfH, src, 16,        \
                                                 stride, 17);           \
    put ## RND ## mpeg4_qpel16_v_lowpass_ ## MMX(halfHV, halfH,         \
                                                 16, 16);               \
    OPNAME ## pixels16_l2_ ## MMX(dst, halfH + 16, halfHV, stride,      \
                                  16, 16);                              \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc12_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t half[17 * 2];                                              \
    uint8_t * const halfH = ((uint8_t*)half);                           \
    put ## RND ## mpeg4_qpel16_h_lowpass_ ## MMX(halfH, src, 16,        \
                                                 stride, 17);           \
    put ## RND ## pixels16_l2_ ## MMX(halfH, src, halfH, 16,            \
                                      stride, 17);                      \
    OPNAME ## mpeg4_qpel16_v_lowpass_ ## MMX(dst, halfH, stride, 16);   \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc32_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t half[17 * 2];                                              \
    uint8_t * const halfH = ((uint8_t*)half);                           \
    put ## RND ## mpeg4_qpel16_h_lowpass_ ## MMX(halfH, src, 16,        \
                                                 stride, 17);           \
    put ## RND ## pixels16_l2_ ## MMX(halfH, src + 1, halfH, 16,        \
                                      stride, 17);                      \
    OPNAME ## mpeg4_qpel16_v_lowpass_ ## MMX(dst, halfH, stride, 16);   \
}                                                                       \
                                                                        \
static void OPNAME ## qpel16_mc22_ ## MMX(uint8_t *dst, uint8_t *src,   \
                                          int stride)                   \
{                                                                       \
    uint64_t half[17 * 2];                                              \
    uint8_t * const halfH = ((uint8_t*)half);                           \
    put ## RND ## mpeg4_qpel16_h_lowpass_ ## MMX(halfH, src, 16,        \
                                                 stride, 17);           \
    OPNAME ## mpeg4_qpel16_v_lowpass_ ## MMX(dst, halfH, stride, 16);   \
}

#define PUT_OP(a, b, temp, size)                \
    "mov"#size"        "#a", "#b"       \n\t"

#define AVG_MMXEXT_OP(a, b, temp, size)         \
    "mov"#size"        "#b", "#temp"    \n\t"   \
    "pavgb          "#temp", "#a"       \n\t"   \
    "mov"#size"        "#a", "#b"       \n\t"

QPEL_BASE(put_,        ff_pw_16, _,        PUT_OP)
QPEL_BASE(avg_,        ff_pw_16, _,        AVG_MMXEXT_OP)
QPEL_BASE(put_no_rnd_, ff_pw_15, _no_rnd_, PUT_OP)
QPEL_OP(put_,          ff_pw_16, _,        PUT_OP,        mmxext)
QPEL_OP(avg_,          ff_pw_16, _,        AVG_MMXEXT_OP, mmxext)
QPEL_OP(put_no_rnd_,   ff_pw_15, _no_rnd_, PUT_OP,        mmxext)

/***********************************/
/* bilinear qpel: not compliant to any spec, only for -lavdopts fast */

#define QPEL_2TAP_XY(OPNAME, SIZE, MMX, XY, HPEL)                              \
static void OPNAME ## 2tap_qpel ## SIZE ## _mc ## XY ## _ ## MMX(uint8_t *dst, \
                                                                 uint8_t *src, \
                                                                 int stride)   \
{                                                                              \
    OPNAME ## pixels ## SIZE ## HPEL(dst, src, stride, SIZE);                  \
}

#define QPEL_2TAP_L3(OPNAME, SIZE, MMX, XY, S0, S1, S2)                        \
static void OPNAME ## 2tap_qpel ## SIZE ## _mc ## XY ## _ ## MMX(uint8_t *dst, \
                                                                 uint8_t *src, \
                                                                 int stride)   \
{                                                                              \
    OPNAME ## 2tap_qpel ## SIZE ## _l3_ ## MMX(dst, src + S0, stride, SIZE,    \
                                               S1, S2);                        \
}

#define QPEL_2TAP(OPNAME, SIZE, MMX)                                        \
QPEL_2TAP_XY(OPNAME, SIZE, MMX, 20, _x2_ ## MMX)                            \
QPEL_2TAP_XY(OPNAME, SIZE, MMX, 02, _y2_ ## MMX)                            \
QPEL_2TAP_XY(OPNAME, SIZE, MMX, 22, _xy2_mmx)                               \
static const qpel_mc_func OPNAME ## 2tap_qpel ## SIZE ## _mc00_ ## MMX =    \
    OPNAME ## qpel ## SIZE ## _mc00_ ## MMX;                                \
static const qpel_mc_func OPNAME ## 2tap_qpel ## SIZE ## _mc21_ ## MMX =    \
    OPNAME ## 2tap_qpel ## SIZE ## _mc20_ ## MMX;                           \
static const qpel_mc_func OPNAME ## 2tap_qpel ## SIZE ## _mc12_ ## MMX =    \
    OPNAME ## 2tap_qpel ## SIZE ## _mc02_ ## MMX;                           \
static void OPNAME ## 2tap_qpel ## SIZE ## _mc32_ ## MMX(uint8_t *dst,      \
                                                         uint8_t *src,      \
                                                         int stride)        \
{                                                                           \
    OPNAME ## pixels ## SIZE ## _y2_ ## MMX(dst, src + 1, stride, SIZE);    \
}                                                                           \
static void OPNAME ## 2tap_qpel ## SIZE ## _mc23_ ## MMX(uint8_t *dst,      \
                                                         uint8_t *src,      \
                                                         int stride)        \
{                                                                           \
    OPNAME ## pixels ## SIZE ## _x2_ ## MMX(dst, src + stride,              \
                                            stride, SIZE);                  \
}                                                                           \
QPEL_2TAP_L3(OPNAME, SIZE, MMX, 10, 0,           1,       0)                \
QPEL_2TAP_L3(OPNAME, SIZE, MMX, 30, 1,          -1,       0)                \
QPEL_2TAP_L3(OPNAME, SIZE, MMX, 01, 0,           stride,  0)                \
QPEL_2TAP_L3(OPNAME, SIZE, MMX, 03, stride,     -stride,  0)                \
QPEL_2TAP_L3(OPNAME, SIZE, MMX, 11, 0,           stride,  1)                \
QPEL_2TAP_L3(OPNAME, SIZE, MMX, 31, 1,           stride, -1)                \
QPEL_2TAP_L3(OPNAME, SIZE, MMX, 13, stride,     -stride,  1)                \
QPEL_2TAP_L3(OPNAME, SIZE, MMX, 33, stride + 1, -stride, -1)                \

QPEL_2TAP(put_, 16, mmxext)
QPEL_2TAP(avg_, 16, mmxext)
QPEL_2TAP(put_,  8, mmxext)
QPEL_2TAP(avg_,  8, mmxext)

void ff_put_rv40_qpel8_mc33_mmx(uint8_t *dst, uint8_t *src, int stride)
{
  put_pixels8_xy2_mmx(dst, src, stride, 8);
}
void ff_put_rv40_qpel16_mc33_mmx(uint8_t *dst, uint8_t *src, int stride)
{
  put_pixels16_xy2_mmx(dst, src, stride, 16);
}
void ff_avg_rv40_qpel8_mc33_mmx(uint8_t *dst, uint8_t *src, int stride)
{
  avg_pixels8_xy2_mmx(dst, src, stride, 8);
}
void ff_avg_rv40_qpel16_mc33_mmx(uint8_t *dst, uint8_t *src, int stride)
{
  avg_pixels16_xy2_mmx(dst, src, stride, 16);
}

static void gmc_mmx(uint8_t *dst, uint8_t *src,
                    int stride, int h, int ox, int oy,
                    int dxx, int dxy, int dyx, int dyy,
                    int shift, int r, int width, int height)
{
    const int w    = 8;
    const int ix   = ox  >> (16 + shift);
    const int iy   = oy  >> (16 + shift);
    const int oxs  = ox  >> 4;
    const int oys  = oy  >> 4;
    const int dxxs = dxx >> 4;
    const int dxys = dxy >> 4;
    const int dyxs = dyx >> 4;
    const int dyys = dyy >> 4;
    const uint16_t r4[4]   = { r, r, r, r };
    const uint16_t dxy4[4] = { dxys, dxys, dxys, dxys };
    const uint16_t dyy4[4] = { dyys, dyys, dyys, dyys };
    const uint64_t shift2 = 2 * shift;
    int x, y;

    const int dxw = (dxx - (1 << (16 + shift))) * (w - 1);
    const int dyh = (dyy - (1 << (16 + shift))) * (h - 1);
    const int dxh = dxy * (h - 1);
    const int dyw = dyx * (w - 1);
    if ( // non-constant fullpel offset (3% of blocks)
        ((ox ^ (ox + dxw)) | (ox ^ (ox + dxh)) | (ox ^ (ox + dxw + dxh)) |
         (oy ^ (oy + dyw)) | (oy ^ (oy + dyh)) | (oy ^ (oy + dyw + dyh))) >> (16 + shift)
        // uses more than 16 bits of subpel mv (only at huge resolution)
        || (dxx | dxy | dyx | dyy) & 15 ||
        (unsigned)ix >= width  - w ||
        (unsigned)iy >= height - h) {
        // FIXME could still use mmx for some of the rows
        ff_gmc_c(dst, src, stride, h, ox, oy, dxx, dxy, dyx, dyy,
                 shift, r, width, height);
        return;
    }

    src += ix + iy * stride;

    __asm__ volatile (
        "movd         %0, %%mm6         \n\t"
        "pxor      %%mm7, %%mm7         \n\t"
        "punpcklwd %%mm6, %%mm6         \n\t"
        "punpcklwd %%mm6, %%mm6         \n\t"
        :: "r"(1<<shift)
    );

    for (x = 0; x < w; x += 4) {
        uint16_t dx4[4] = { oxs - dxys + dxxs * (x + 0),
                            oxs - dxys + dxxs * (x + 1),
                            oxs - dxys + dxxs * (x + 2),
                            oxs - dxys + dxxs * (x + 3) };
        uint16_t dy4[4] = { oys - dyys + dyxs * (x + 0),
                            oys - dyys + dyxs * (x + 1),
                            oys - dyys + dyxs * (x + 2),
                            oys - dyys + dyxs * (x + 3) };

        for (y = 0; y < h; y++) {
            __asm__ volatile (
                "movq      %0, %%mm4    \n\t"
                "movq      %1, %%mm5    \n\t"
                "paddw     %2, %%mm4    \n\t"
                "paddw     %3, %%mm5    \n\t"
                "movq   %%mm4, %0       \n\t"
                "movq   %%mm5, %1       \n\t"
                "psrlw    $12, %%mm4    \n\t"
                "psrlw    $12, %%mm5    \n\t"
                : "+m"(*dx4), "+m"(*dy4)
                : "m"(*dxy4), "m"(*dyy4)
            );

            __asm__ volatile (
                "movq      %%mm6, %%mm2 \n\t"
                "movq      %%mm6, %%mm1 \n\t"
                "psubw     %%mm4, %%mm2 \n\t"
                "psubw     %%mm5, %%mm1 \n\t"
                "movq      %%mm2, %%mm0 \n\t"
                "movq      %%mm4, %%mm3 \n\t"
                "pmullw    %%mm1, %%mm0 \n\t" // (s - dx) * (s - dy)
                "pmullw    %%mm5, %%mm3 \n\t" // dx * dy
                "pmullw    %%mm5, %%mm2 \n\t" // (s - dx) * dy
                "pmullw    %%mm4, %%mm1 \n\t" // dx * (s - dy)

                "movd         %4, %%mm5 \n\t"
                "movd         %3, %%mm4 \n\t"
                "punpcklbw %%mm7, %%mm5 \n\t"
                "punpcklbw %%mm7, %%mm4 \n\t"
                "pmullw    %%mm5, %%mm3 \n\t" // src[1, 1] * dx * dy
                "pmullw    %%mm4, %%mm2 \n\t" // src[0, 1] * (s - dx) * dy

                "movd         %2, %%mm5 \n\t"
                "movd         %1, %%mm4 \n\t"
                "punpcklbw %%mm7, %%mm5 \n\t"
                "punpcklbw %%mm7, %%mm4 \n\t"
                "pmullw    %%mm5, %%mm1 \n\t" // src[1, 0] * dx * (s - dy)
                "pmullw    %%mm4, %%mm0 \n\t" // src[0, 0] * (s - dx) * (s - dy)
                "paddw        %5, %%mm1 \n\t"
                "paddw     %%mm3, %%mm2 \n\t"
                "paddw     %%mm1, %%mm0 \n\t"
                "paddw     %%mm2, %%mm0 \n\t"

                "psrlw        %6, %%mm0 \n\t"
                "packuswb  %%mm0, %%mm0 \n\t"
                "movd      %%mm0, %0    \n\t"

                : "=m"(dst[x + y * stride])
                : "m"(src[0]), "m"(src[1]),
                  "m"(src[stride]), "m"(src[stride + 1]),
                  "m"(*r4), "m"(shift2)
            );
            src += stride;
        }
        src += 4 - h * stride;
    }
}
#endif /* HAVE_INLINE_ASM */

#include "h264_qpel.c"

void ff_put_h264_chroma_mc8_rnd_mmx  (uint8_t *dst, uint8_t *src,
                                      int stride, int h, int x, int y);
void ff_avg_h264_chroma_mc8_rnd_mmxext(uint8_t *dst, uint8_t *src,
                                       int stride, int h, int x, int y);
void ff_avg_h264_chroma_mc8_rnd_3dnow(uint8_t *dst, uint8_t *src,
                                      int stride, int h, int x, int y);

void ff_put_h264_chroma_mc4_mmx      (uint8_t *dst, uint8_t *src,
                                      int stride, int h, int x, int y);
void ff_avg_h264_chroma_mc4_mmxext   (uint8_t *dst, uint8_t *src,
                                      int stride, int h, int x, int y);
void ff_avg_h264_chroma_mc4_3dnow    (uint8_t *dst, uint8_t *src,
                                      int stride, int h, int x, int y);

void ff_put_h264_chroma_mc2_mmxext   (uint8_t *dst, uint8_t *src,
                                      int stride, int h, int x, int y);
void ff_avg_h264_chroma_mc2_mmxext   (uint8_t *dst, uint8_t *src,
                                      int stride, int h, int x, int y);

void ff_put_h264_chroma_mc8_rnd_ssse3(uint8_t *dst, uint8_t *src,
                                      int stride, int h, int x, int y);
void ff_put_h264_chroma_mc4_ssse3    (uint8_t *dst, uint8_t *src,
                                      int stride, int h, int x, int y);

void ff_avg_h264_chroma_mc8_rnd_ssse3(uint8_t *dst, uint8_t *src,
                                      int stride, int h, int x, int y);
void ff_avg_h264_chroma_mc4_ssse3    (uint8_t *dst, uint8_t *src,
                                      int stride, int h, int x, int y);

#define CHROMA_MC(OP, NUM, DEPTH, OPT)                                  \
void ff_ ## OP ## _h264_chroma_mc ## NUM ## _ ## DEPTH ## _ ## OPT      \
                                      (uint8_t *dst, uint8_t *src,      \
                                       int stride, int h, int x, int y);

CHROMA_MC(put, 2, 10, mmxext)
CHROMA_MC(avg, 2, 10, mmxext)
CHROMA_MC(put, 4, 10, mmxext)
CHROMA_MC(avg, 4, 10, mmxext)
CHROMA_MC(put, 8, 10, sse2)
CHROMA_MC(avg, 8, 10, sse2)
CHROMA_MC(put, 8, 10, avx)
CHROMA_MC(avg, 8, 10, avx)

#if HAVE_INLINE_ASM

/* CAVS-specific */
void ff_put_cavs_qpel8_mc00_mmxext(uint8_t *dst, uint8_t *src, int stride)
{
    put_pixels8_mmx(dst, src, stride, 8);
}

void ff_avg_cavs_qpel8_mc00_mmxext(uint8_t *dst, uint8_t *src, int stride)
{
    avg_pixels8_mmx(dst, src, stride, 8);
}

void ff_put_cavs_qpel16_mc00_mmxext(uint8_t *dst, uint8_t *src, int stride)
{
    put_pixels16_mmx(dst, src, stride, 16);
}

void ff_avg_cavs_qpel16_mc00_mmxext(uint8_t *dst, uint8_t *src, int stride)
{
    avg_pixels16_mmx(dst, src, stride, 16);
}

/* VC-1-specific */
void ff_put_vc1_mspel_mc00_mmx(uint8_t *dst, const uint8_t *src,
                               int stride, int rnd)
{
    put_pixels8_mmx(dst, src, stride, 8);
}

void ff_avg_vc1_mspel_mc00_mmxext(uint8_t *dst, const uint8_t *src,
                                  int stride, int rnd)
{
    avg_pixels8_mmxext(dst, src, stride, 8);
}

static void vorbis_inverse_coupling_3dnow(float *mag, float *ang, int blocksize)
{
    int i;
    __asm__ volatile ("pxor %%mm7, %%mm7":);
    for (i = 0; i < blocksize; i += 2) {
        __asm__ volatile (
            "movq       %0, %%mm0   \n\t"
            "movq       %1, %%mm1   \n\t"
            "movq    %%mm0, %%mm2   \n\t"
            "movq    %%mm1, %%mm3   \n\t"
            "pfcmpge %%mm7, %%mm2   \n\t" // m <= 0.0
            "pfcmpge %%mm7, %%mm3   \n\t" // a <= 0.0
            "pslld     $31, %%mm2   \n\t" // keep only the sign bit
            "pxor    %%mm2, %%mm1   \n\t"
            "movq    %%mm3, %%mm4   \n\t"
            "pand    %%mm1, %%mm3   \n\t"
            "pandn   %%mm1, %%mm4   \n\t"
            "pfadd   %%mm0, %%mm3   \n\t" // a = m + ((a < 0) & (a ^ sign(m)))
            "pfsub   %%mm4, %%mm0   \n\t" // m = m + ((a > 0) & (a ^ sign(m)))
            "movq    %%mm3, %1      \n\t"
            "movq    %%mm0, %0      \n\t"
            : "+m"(mag[i]), "+m"(ang[i])
            :: "memory"
        );
    }
    __asm__ volatile ("femms");
}

static void vorbis_inverse_coupling_sse(float *mag, float *ang, int blocksize)
{
    int i;

    __asm__ volatile (
        "movaps  %0, %%xmm5 \n\t"
        :: "m"(ff_pdw_80000000[0])
    );
    for (i = 0; i < blocksize; i += 4) {
        __asm__ volatile (
            "movaps      %0, %%xmm0 \n\t"
            "movaps      %1, %%xmm1 \n\t"
            "xorps   %%xmm2, %%xmm2 \n\t"
            "xorps   %%xmm3, %%xmm3 \n\t"
            "cmpleps %%xmm0, %%xmm2 \n\t" // m <= 0.0
            "cmpleps %%xmm1, %%xmm3 \n\t" // a <= 0.0
            "andps   %%xmm5, %%xmm2 \n\t" // keep only the sign bit
            "xorps   %%xmm2, %%xmm1 \n\t"
            "movaps  %%xmm3, %%xmm4 \n\t"
            "andps   %%xmm1, %%xmm3 \n\t"
            "andnps  %%xmm1, %%xmm4 \n\t"
            "addps   %%xmm0, %%xmm3 \n\t" // a = m + ((a < 0) & (a ^ sign(m)))
            "subps   %%xmm4, %%xmm0 \n\t" // m = m + ((a > 0) & (a ^ sign(m)))
            "movaps  %%xmm3, %1     \n\t"
            "movaps  %%xmm0, %0     \n\t"
            : "+m"(mag[i]), "+m"(ang[i])
            :: "memory"
        );
    }
}

#if HAVE_6REGS
static void vector_fmul_window_3dnowext(float *dst, const float *src0,
                                        const float *src1, const float *win,
                                        int len)
{
    x86_reg i = -len * 4;
    x86_reg j =  len * 4 - 8;
    __asm__ volatile (
        "1:                             \n"
        "pswapd (%5, %1), %%mm1         \n"
        "movq   (%5, %0), %%mm0         \n"
        "pswapd (%4, %1), %%mm5         \n"
        "movq   (%3, %0), %%mm4         \n"
        "movq      %%mm0, %%mm2         \n"
        "movq      %%mm1, %%mm3         \n"
        "pfmul     %%mm4, %%mm2         \n" // src0[len + i] * win[len + i]
        "pfmul     %%mm5, %%mm3         \n" // src1[j]       * win[len + j]
        "pfmul     %%mm4, %%mm1         \n" // src0[len + i] * win[len + j]
        "pfmul     %%mm5, %%mm0         \n" // src1[j]       * win[len + i]
        "pfadd     %%mm3, %%mm2         \n"
        "pfsub     %%mm0, %%mm1         \n"
        "pswapd    %%mm2, %%mm2         \n"
        "movq      %%mm1, (%2, %0)      \n"
        "movq      %%mm2, (%2, %1)      \n"
        "sub          $8, %1            \n"
        "add          $8, %0            \n"
        "jl           1b                \n"
        "femms                          \n"
        : "+r"(i), "+r"(j)
        : "r"(dst + len), "r"(src0 + len), "r"(src1), "r"(win + len)
    );
}

static void vector_fmul_window_sse(float *dst, const float *src0,
                                   const float *src1, const float *win, int len)
{
    x86_reg i = -len * 4;
    x86_reg j =  len * 4 - 16;
    __asm__ volatile (
        "1:                             \n"
        "movaps      (%5, %1), %%xmm1   \n"
        "movaps      (%5, %0), %%xmm0   \n"
        "movaps      (%4, %1), %%xmm5   \n"
        "movaps      (%3, %0), %%xmm4   \n"
        "shufps $0x1b, %%xmm1, %%xmm1   \n"
        "shufps $0x1b, %%xmm5, %%xmm5   \n"
        "movaps        %%xmm0, %%xmm2   \n"
        "movaps        %%xmm1, %%xmm3   \n"
        "mulps         %%xmm4, %%xmm2   \n" // src0[len + i] * win[len + i]
        "mulps         %%xmm5, %%xmm3   \n" // src1[j]       * win[len + j]
        "mulps         %%xmm4, %%xmm1   \n" // src0[len + i] * win[len + j]
        "mulps         %%xmm5, %%xmm0   \n" // src1[j]       * win[len + i]
        "addps         %%xmm3, %%xmm2   \n"
        "subps         %%xmm0, %%xmm1   \n"
        "shufps $0x1b, %%xmm2, %%xmm2   \n"
        "movaps        %%xmm1, (%2, %0) \n"
        "movaps        %%xmm2, (%2, %1) \n"
        "sub              $16, %1       \n"
        "add              $16, %0       \n"
        "jl                1b           \n"
        : "+r"(i), "+r"(j)
        : "r"(dst + len), "r"(src0 + len), "r"(src1), "r"(win + len)
    );
}
#endif /* HAVE_6REGS */

static void vector_clipf_sse(float *dst, const float *src,
                             float min, float max, int len)
{
    x86_reg i = (len - 16) * 4;
    __asm__ volatile (
        "movss          %3, %%xmm4      \n\t"
        "movss          %4, %%xmm5      \n\t"
        "shufps $0, %%xmm4, %%xmm4      \n\t"
        "shufps $0, %%xmm5, %%xmm5      \n\t"
        "1:                             \n\t"
        "movaps   (%2, %0), %%xmm0      \n\t" // 3/1 on intel
        "movaps 16(%2, %0), %%xmm1      \n\t"
        "movaps 32(%2, %0), %%xmm2      \n\t"
        "movaps 48(%2, %0), %%xmm3      \n\t"
        "maxps      %%xmm4, %%xmm0      \n\t"
        "maxps      %%xmm4, %%xmm1      \n\t"
        "maxps      %%xmm4, %%xmm2      \n\t"
        "maxps      %%xmm4, %%xmm3      \n\t"
        "minps      %%xmm5, %%xmm0      \n\t"
        "minps      %%xmm5, %%xmm1      \n\t"
        "minps      %%xmm5, %%xmm2      \n\t"
        "minps      %%xmm5, %%xmm3      \n\t"
        "movaps     %%xmm0,   (%1, %0)  \n\t"
        "movaps     %%xmm1, 16(%1, %0)  \n\t"
        "movaps     %%xmm2, 32(%1, %0)  \n\t"
        "movaps     %%xmm3, 48(%1, %0)  \n\t"
        "sub           $64, %0          \n\t"
        "jge            1b              \n\t"
        : "+&r"(i)
        : "r"(dst), "r"(src), "m"(min), "m"(max)
        : "memory"
    );
}

#endif /* HAVE_INLINE_ASM */

int32_t ff_scalarproduct_int16_mmxext(const int16_t *v1, const int16_t *v2,
                                      int order);
int32_t ff_scalarproduct_int16_sse2(const int16_t *v1, const int16_t *v2,
                                    int order);
int32_t ff_scalarproduct_and_madd_int16_mmxext(int16_t *v1, const int16_t *v2,
                                               const int16_t *v3,
                                               int order, int mul);
int32_t ff_scalarproduct_and_madd_int16_sse2(int16_t *v1, const int16_t *v2,
                                             const int16_t *v3,
                                             int order, int mul);
int32_t ff_scalarproduct_and_madd_int16_ssse3(int16_t *v1, const int16_t *v2,
                                              const int16_t *v3,
                                              int order, int mul);

void ff_apply_window_int16_round_mmxext(int16_t *output, const int16_t *input,
                                        const int16_t *window, unsigned int len);
void ff_apply_window_int16_round_sse2(int16_t *output, const int16_t *input,
                                      const int16_t *window, unsigned int len);
void ff_apply_window_int16_mmxext(int16_t *output, const int16_t *input,
                                  const int16_t *window, unsigned int len);
void ff_apply_window_int16_sse2(int16_t *output, const int16_t *input,
                                const int16_t *window, unsigned int len);
void ff_apply_window_int16_ssse3(int16_t *output, const int16_t *input,
                                 const int16_t *window, unsigned int len);
void ff_apply_window_int16_ssse3_atom(int16_t *output, const int16_t *input,
                                      const int16_t *window, unsigned int len);

void ff_bswap32_buf_ssse3(uint32_t *dst, const uint32_t *src, int w);
void ff_bswap32_buf_sse2(uint32_t *dst, const uint32_t *src, int w);

void ff_add_hfyu_median_prediction_mmxext(uint8_t *dst, const uint8_t *top,
                                          const uint8_t *diff, int w,
                                          int *left, int *left_top);
int  ff_add_hfyu_left_prediction_ssse3(uint8_t *dst, const uint8_t *src,
                                       int w, int left);
int  ff_add_hfyu_left_prediction_sse4(uint8_t *dst, const uint8_t *src,
                                      int w, int left);

float ff_scalarproduct_float_sse(const float *v1, const float *v2, int order);

void ff_vector_fmul_reverse_sse(float *dst, const float *src0,
                                const float *src1, int len);
void ff_vector_fmul_reverse_avx(float *dst, const float *src0,
                                const float *src1, int len);

void ff_vector_fmul_add_sse(float *dst, const float *src0, const float *src1,
                            const float *src2, int len);
void ff_vector_fmul_add_avx(float *dst, const float *src0, const float *src1,
                            const float *src2, int len);

void ff_vector_clip_int32_mmx     (int32_t *dst, const int32_t *src,
                                   int32_t min, int32_t max, unsigned int len);
void ff_vector_clip_int32_sse2    (int32_t *dst, const int32_t *src,
                                   int32_t min, int32_t max, unsigned int len);
void ff_vector_clip_int32_int_sse2(int32_t *dst, const int32_t *src,
                                   int32_t min, int32_t max, unsigned int len);
void ff_vector_clip_int32_sse4    (int32_t *dst, const int32_t *src,
                                   int32_t min, int32_t max, unsigned int len);

extern void ff_butterflies_float_interleave_sse(float *dst, const float *src0,
                                                const float *src1, int len);
extern void ff_butterflies_float_interleave_avx(float *dst, const float *src0,
                                                const float *src1, int len);

#define SET_QPEL_FUNCS(PFX, IDX, SIZE, CPU, PREFIX)                          \
    do {                                                                     \
    c->PFX ## _pixels_tab[IDX][ 0] = PREFIX ## PFX ## SIZE ## _mc00_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][ 1] = PREFIX ## PFX ## SIZE ## _mc10_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][ 2] = PREFIX ## PFX ## SIZE ## _mc20_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][ 3] = PREFIX ## PFX ## SIZE ## _mc30_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][ 4] = PREFIX ## PFX ## SIZE ## _mc01_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][ 5] = PREFIX ## PFX ## SIZE ## _mc11_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][ 6] = PREFIX ## PFX ## SIZE ## _mc21_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][ 7] = PREFIX ## PFX ## SIZE ## _mc31_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][ 8] = PREFIX ## PFX ## SIZE ## _mc02_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][ 9] = PREFIX ## PFX ## SIZE ## _mc12_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][10] = PREFIX ## PFX ## SIZE ## _mc22_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][11] = PREFIX ## PFX ## SIZE ## _mc32_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][12] = PREFIX ## PFX ## SIZE ## _mc03_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][13] = PREFIX ## PFX ## SIZE ## _mc13_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][14] = PREFIX ## PFX ## SIZE ## _mc23_ ## CPU; \
    c->PFX ## _pixels_tab[IDX][15] = PREFIX ## PFX ## SIZE ## _mc33_ ## CPU; \
    } while (0)

#define SET_HPEL_FUNCS(PFX, IDX, SIZE, CPU)                                     \
    do {                                                                        \
        c->PFX ## _pixels_tab[IDX][0] = PFX ## _pixels ## SIZE ## _     ## CPU; \
        c->PFX ## _pixels_tab[IDX][1] = PFX ## _pixels ## SIZE ## _x2_  ## CPU; \
        c->PFX ## _pixels_tab[IDX][2] = PFX ## _pixels ## SIZE ## _y2_  ## CPU; \
        c->PFX ## _pixels_tab[IDX][3] = PFX ## _pixels ## SIZE ## _xy2_ ## CPU; \
    } while (0)

#define H264_QPEL_FUNCS(x, y, CPU)                                                            \
    do {                                                                                      \
        c->put_h264_qpel_pixels_tab[0][x + y * 4] = put_h264_qpel16_mc ## x ## y ## _ ## CPU; \
        c->put_h264_qpel_pixels_tab[1][x + y * 4] = put_h264_qpel8_mc  ## x ## y ## _ ## CPU; \
        c->avg_h264_qpel_pixels_tab[0][x + y * 4] = avg_h264_qpel16_mc ## x ## y ## _ ## CPU; \
        c->avg_h264_qpel_pixels_tab[1][x + y * 4] = avg_h264_qpel8_mc  ## x ## y ## _ ## CPU; \
    } while (0)

#define H264_QPEL_FUNCS_10(x, y, CPU)                                                               \
    do {                                                                                            \
        c->put_h264_qpel_pixels_tab[0][x + y * 4] = ff_put_h264_qpel16_mc ## x ## y ## _10_ ## CPU; \
        c->put_h264_qpel_pixels_tab[1][x + y * 4] = ff_put_h264_qpel8_mc  ## x ## y ## _10_ ## CPU; \
        c->avg_h264_qpel_pixels_tab[0][x + y * 4] = ff_avg_h264_qpel16_mc ## x ## y ## _10_ ## CPU; \
        c->avg_h264_qpel_pixels_tab[1][x + y * 4] = ff_avg_h264_qpel8_mc  ## x ## y ## _10_ ## CPU; \
    } while (0)

static void dsputil_init_mmx(DSPContext *c, AVCodecContext *avctx, int mm_flags)
{
    const int high_bit_depth = avctx->bits_per_raw_sample > 8;

#if HAVE_INLINE_ASM
    c->put_pixels_clamped        = ff_put_pixels_clamped_mmx;
    c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_mmx;
    c->add_pixels_clamped        = ff_add_pixels_clamped_mmx;

    if (!high_bit_depth) {
        c->clear_block  = clear_block_mmx;
        c->clear_blocks = clear_blocks_mmx;
        c->draw_edges   = draw_edges_mmx;

        SET_HPEL_FUNCS(put,        0, 16, mmx);
        SET_HPEL_FUNCS(put_no_rnd, 0, 16, mmx);
        SET_HPEL_FUNCS(avg,        0, 16, mmx);
        SET_HPEL_FUNCS(avg_no_rnd, 0, 16, mmx);
        SET_HPEL_FUNCS(put,        1,  8, mmx);
        SET_HPEL_FUNCS(put_no_rnd, 1,  8, mmx);
        SET_HPEL_FUNCS(avg,        1,  8, mmx);
        SET_HPEL_FUNCS(avg_no_rnd, 1,  8, mmx);

        switch (avctx->idct_algo) {
        case FF_IDCT_AUTO:
        case FF_IDCT_SIMPLEMMX:
            c->idct_put              = ff_simple_idct_put_mmx;
            c->idct_add              = ff_simple_idct_add_mmx;
            c->idct                  = ff_simple_idct_mmx;
            c->idct_permutation_type = FF_SIMPLE_IDCT_PERM;
            break;
        case FF_IDCT_XVIDMMX:
            c->idct_put              = ff_idct_xvid_mmx_put;
            c->idct_add              = ff_idct_xvid_mmx_add;
            c->idct                  = ff_idct_xvid_mmx;
            break;
        }
    }

    c->gmc = gmc_mmx;

    c->add_bytes = add_bytes_mmx;

    if (CONFIG_H263_DECODER || CONFIG_H263_ENCODER) {
        c->h263_v_loop_filter = h263_v_loop_filter_mmx;
        c->h263_h_loop_filter = h263_h_loop_filter_mmx;
    }
#endif /* HAVE_INLINE_ASM */

#if HAVE_YASM
    if (!high_bit_depth && CONFIG_H264CHROMA) {
        c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_rnd_mmx;
        c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_mmx;
    }

    c->vector_clip_int32 = ff_vector_clip_int32_mmx;
#endif

}

static void dsputil_init_mmxext(DSPContext *c, AVCodecContext *avctx,
                                int mm_flags)
{
    const int bit_depth      = avctx->bits_per_raw_sample;
    const int high_bit_depth = bit_depth > 8;

#if HAVE_INLINE_ASM
    SET_QPEL_FUNCS(avg_qpel,        0, 16, mmxext, );
    SET_QPEL_FUNCS(avg_qpel,        1,  8, mmxext, );
    SET_QPEL_FUNCS(avg_2tap_qpel,   0, 16, mmxext, );
    SET_QPEL_FUNCS(avg_2tap_qpel,   1,  8, mmxext, );

    SET_QPEL_FUNCS(put_qpel,        0, 16, mmxext, );
    SET_QPEL_FUNCS(put_qpel,        1,  8, mmxext, );
    SET_QPEL_FUNCS(put_2tap_qpel,   0, 16, mmxext, );
    SET_QPEL_FUNCS(put_2tap_qpel,   1,  8, mmxext, );
    SET_QPEL_FUNCS(put_no_rnd_qpel, 0, 16, mmxext, );
    SET_QPEL_FUNCS(put_no_rnd_qpel, 1,  8, mmxext, );

    if (!high_bit_depth) {
        c->put_pixels_tab[0][1] = put_pixels16_x2_mmxext;
        c->put_pixels_tab[0][2] = put_pixels16_y2_mmxext;

        c->avg_pixels_tab[0][0] = avg_pixels16_mmxext;
        c->avg_pixels_tab[0][1] = avg_pixels16_x2_mmxext;
        c->avg_pixels_tab[0][2] = avg_pixels16_y2_mmxext;

        c->put_pixels_tab[1][1] = put_pixels8_x2_mmxext;
        c->put_pixels_tab[1][2] = put_pixels8_y2_mmxext;

        c->avg_pixels_tab[1][0] = avg_pixels8_mmxext;
        c->avg_pixels_tab[1][1] = avg_pixels8_x2_mmxext;
        c->avg_pixels_tab[1][2] = avg_pixels8_y2_mmxext;
    }

    if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
        if (!high_bit_depth) {
            c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_mmxext;
            c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_mmxext;
            c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_mmxext;
            c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_mmxext;

            c->avg_pixels_tab[0][3] = avg_pixels16_xy2_mmxext;
            c->avg_pixels_tab[1][3] = avg_pixels8_xy2_mmxext;
        }
    }

    if (!high_bit_depth && avctx->idct_algo == FF_IDCT_XVIDMMX) {
        c->idct_put = ff_idct_xvid_mmxext_put;
        c->idct_add = ff_idct_xvid_mmxext_add;
        c->idct     = ff_idct_xvid_mmxext;
    }

    if (CONFIG_VP3_DECODER && (avctx->codec_id == AV_CODEC_ID_VP3 ||
                               avctx->codec_id == AV_CODEC_ID_THEORA)) {
        c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_exact_mmxext;
        c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_exact_mmxext;
    }
#endif /* HAVE_INLINE_ASM */

#if HAVE_MMXEXT_EXTERNAL
    if (CONFIG_H264QPEL) {
        if (!high_bit_depth) {
            SET_QPEL_FUNCS(put_h264_qpel, 0, 16, mmxext, );
            SET_QPEL_FUNCS(put_h264_qpel, 1,  8, mmxext, );
            SET_QPEL_FUNCS(put_h264_qpel, 2,  4, mmxext, );
            SET_QPEL_FUNCS(avg_h264_qpel, 0, 16, mmxext, );
            SET_QPEL_FUNCS(avg_h264_qpel, 1,  8, mmxext, );
            SET_QPEL_FUNCS(avg_h264_qpel, 2,  4, mmxext, );
        } else if (bit_depth == 10) {
#if !ARCH_X86_64
            SET_QPEL_FUNCS(avg_h264_qpel, 0, 16, 10_mmxext, ff_);
            SET_QPEL_FUNCS(put_h264_qpel, 0, 16, 10_mmxext, ff_);
            SET_QPEL_FUNCS(put_h264_qpel, 1,  8, 10_mmxext, ff_);
            SET_QPEL_FUNCS(avg_h264_qpel, 1,  8, 10_mmxext, ff_);
#endif
            SET_QPEL_FUNCS(put_h264_qpel, 2, 4,  10_mmxext, ff_);
            SET_QPEL_FUNCS(avg_h264_qpel, 2, 4,  10_mmxext, ff_);
        }
    }

    if (!high_bit_depth && CONFIG_H264CHROMA) {
        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_mmxext;
        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_mmxext;
        c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_mmxext;
        c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_mmxext;
    }
    if (bit_depth == 10 && CONFIG_H264CHROMA) {
        c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_10_mmxext;
        c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_10_mmxext;
        c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_10_mmxext;
        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_10_mmxext;
    }

    /* slower than cmov version on AMD */
    if (!(mm_flags & AV_CPU_FLAG_3DNOW))
        c->add_hfyu_median_prediction = ff_add_hfyu_median_prediction_mmxext;

    c->scalarproduct_int16          = ff_scalarproduct_int16_mmxext;
    c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_mmxext;

    if (avctx->flags & CODEC_FLAG_BITEXACT) {
        c->apply_window_int16 = ff_apply_window_int16_mmxext;
    } else {
        c->apply_window_int16 = ff_apply_window_int16_round_mmxext;
    }
#endif /* HAVE_MMXEXT_EXTERNAL */
}

static void dsputil_init_3dnow(DSPContext *c, AVCodecContext *avctx,
                               int mm_flags)
{
    const int high_bit_depth = avctx->bits_per_raw_sample > 8;

#if HAVE_INLINE_ASM
    if (!high_bit_depth) {
        c->put_pixels_tab[0][1] = put_pixels16_x2_3dnow;
        c->put_pixels_tab[0][2] = put_pixels16_y2_3dnow;

        c->avg_pixels_tab[0][0] = avg_pixels16_3dnow;
        c->avg_pixels_tab[0][1] = avg_pixels16_x2_3dnow;
        c->avg_pixels_tab[0][2] = avg_pixels16_y2_3dnow;

        c->put_pixels_tab[1][1] = put_pixels8_x2_3dnow;
        c->put_pixels_tab[1][2] = put_pixels8_y2_3dnow;

        c->avg_pixels_tab[1][0] = avg_pixels8_3dnow;
        c->avg_pixels_tab[1][1] = avg_pixels8_x2_3dnow;
        c->avg_pixels_tab[1][2] = avg_pixels8_y2_3dnow;

        if (!(avctx->flags & CODEC_FLAG_BITEXACT)){
            c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_3dnow;
            c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_3dnow;
            c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_3dnow;
            c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_3dnow;

            c->avg_pixels_tab[0][3] = avg_pixels16_xy2_3dnow;
            c->avg_pixels_tab[1][3] = avg_pixels8_xy2_3dnow;
        }
    }

    if (CONFIG_VP3_DECODER && (avctx->codec_id == AV_CODEC_ID_VP3 ||
                               avctx->codec_id == AV_CODEC_ID_THEORA)) {
        c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_exact_3dnow;
        c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_exact_3dnow;
    }

    c->vorbis_inverse_coupling = vorbis_inverse_coupling_3dnow;
#endif /* HAVE_INLINE_ASM */

#if HAVE_YASM
    if (!high_bit_depth && CONFIG_H264CHROMA) {
        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_3dnow;
        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_3dnow;
    }
#endif /* HAVE_YASM */
}

static void dsputil_init_3dnowext(DSPContext *c, AVCodecContext *avctx,
                                  int mm_flags)
{
#if HAVE_AMD3DNOWEXT_INLINE && HAVE_6REGS
    c->vector_fmul_window  = vector_fmul_window_3dnowext;
#endif
}

static void dsputil_init_sse(DSPContext *c, AVCodecContext *avctx, int mm_flags)
{
    const int high_bit_depth = avctx->bits_per_raw_sample > 8;

#if HAVE_INLINE_ASM
    if (!high_bit_depth) {
        if (!(CONFIG_MPEG_XVMC_DECODER && avctx->xvmc_acceleration > 1)) {
            /* XvMCCreateBlocks() may not allocate 16-byte aligned blocks */
            c->clear_block  = clear_block_sse;
            c->clear_blocks = clear_blocks_sse;
        }
    }

    c->vorbis_inverse_coupling = vorbis_inverse_coupling_sse;

#if HAVE_6REGS
    c->vector_fmul_window = vector_fmul_window_sse;
#endif

    c->vector_clipf = vector_clipf_sse;
#endif /* HAVE_INLINE_ASM */

#if HAVE_YASM
    c->vector_fmul_reverse = ff_vector_fmul_reverse_sse;
    c->vector_fmul_add     = ff_vector_fmul_add_sse;

    c->scalarproduct_float          = ff_scalarproduct_float_sse;
    c->butterflies_float_interleave = ff_butterflies_float_interleave_sse;
#endif /* HAVE_YASM */
}

static void dsputil_init_sse2(DSPContext *c, AVCodecContext *avctx,
                              int mm_flags)
{
    const int bit_depth      = avctx->bits_per_raw_sample;
    const int high_bit_depth = bit_depth > 8;

#if HAVE_SSE2_INLINE
    if (!high_bit_depth && avctx->idct_algo == FF_IDCT_XVIDMMX) {
        c->idct_put              = ff_idct_xvid_sse2_put;
        c->idct_add              = ff_idct_xvid_sse2_add;
        c->idct                  = ff_idct_xvid_sse2;
        c->idct_permutation_type = FF_SSE2_IDCT_PERM;
    }
#endif /* HAVE_SSE2_INLINE */

#if HAVE_SSE2_EXTERNAL
    if (!(mm_flags & AV_CPU_FLAG_SSE2SLOW)) {
        // these functions are slower than mmx on AMD, but faster on Intel
        if (!high_bit_depth) {
            c->put_pixels_tab[0][0]        = ff_put_pixels16_sse2;
            c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_sse2;
            c->avg_pixels_tab[0][0]        = ff_avg_pixels16_sse2;
            if (CONFIG_H264QPEL)
                H264_QPEL_FUNCS(0, 0, sse2);
        }
    }

    if (!high_bit_depth && CONFIG_H264QPEL) {
        H264_QPEL_FUNCS(0, 1, sse2);
        H264_QPEL_FUNCS(0, 2, sse2);
        H264_QPEL_FUNCS(0, 3, sse2);
        H264_QPEL_FUNCS(1, 1, sse2);
        H264_QPEL_FUNCS(1, 2, sse2);
        H264_QPEL_FUNCS(1, 3, sse2);
        H264_QPEL_FUNCS(2, 1, sse2);
        H264_QPEL_FUNCS(2, 2, sse2);
        H264_QPEL_FUNCS(2, 3, sse2);
        H264_QPEL_FUNCS(3, 1, sse2);
        H264_QPEL_FUNCS(3, 2, sse2);
        H264_QPEL_FUNCS(3, 3, sse2);
    }

    if (bit_depth == 10) {
        if (CONFIG_H264QPEL) {
            SET_QPEL_FUNCS(put_h264_qpel, 0, 16, 10_sse2, ff_);
            SET_QPEL_FUNCS(put_h264_qpel, 1,  8, 10_sse2, ff_);
            SET_QPEL_FUNCS(avg_h264_qpel, 0, 16, 10_sse2, ff_);
            SET_QPEL_FUNCS(avg_h264_qpel, 1,  8, 10_sse2, ff_);
            H264_QPEL_FUNCS_10(1, 0, sse2_cache64);
            H264_QPEL_FUNCS_10(2, 0, sse2_cache64);
            H264_QPEL_FUNCS_10(3, 0, sse2_cache64);
        }
        if (CONFIG_H264CHROMA) {
            c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_10_sse2;
            c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_10_sse2;
        }
    }

    c->scalarproduct_int16          = ff_scalarproduct_int16_sse2;
    c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_sse2;
    if (mm_flags & AV_CPU_FLAG_ATOM) {
        c->vector_clip_int32 = ff_vector_clip_int32_int_sse2;
    } else {
        c->vector_clip_int32 = ff_vector_clip_int32_sse2;
    }
    if (avctx->flags & CODEC_FLAG_BITEXACT) {
        c->apply_window_int16 = ff_apply_window_int16_sse2;
    } else if (!(mm_flags & AV_CPU_FLAG_SSE2SLOW)) {
        c->apply_window_int16 = ff_apply_window_int16_round_sse2;
    }
    c->bswap_buf = ff_bswap32_buf_sse2;
#endif /* HAVE_SSE2_EXTERNAL */
}

static void dsputil_init_ssse3(DSPContext *c, AVCodecContext *avctx,
                               int mm_flags)
{
#if HAVE_SSSE3_EXTERNAL
    const int high_bit_depth = avctx->bits_per_raw_sample > 8;
    const int bit_depth      = avctx->bits_per_raw_sample;

    if (!high_bit_depth && CONFIG_H264QPEL) {
        H264_QPEL_FUNCS(1, 0, ssse3);
        H264_QPEL_FUNCS(1, 1, ssse3);
        H264_QPEL_FUNCS(1, 2, ssse3);
        H264_QPEL_FUNCS(1, 3, ssse3);
        H264_QPEL_FUNCS(2, 0, ssse3);
        H264_QPEL_FUNCS(2, 1, ssse3);
        H264_QPEL_FUNCS(2, 2, ssse3);
        H264_QPEL_FUNCS(2, 3, ssse3);
        H264_QPEL_FUNCS(3, 0, ssse3);
        H264_QPEL_FUNCS(3, 1, ssse3);
        H264_QPEL_FUNCS(3, 2, ssse3);
        H264_QPEL_FUNCS(3, 3, ssse3);
    }
    if (bit_depth == 10 && CONFIG_H264QPEL) {
        H264_QPEL_FUNCS_10(1, 0, ssse3_cache64);
        H264_QPEL_FUNCS_10(2, 0, ssse3_cache64);
        H264_QPEL_FUNCS_10(3, 0, ssse3_cache64);
    }
    if (!high_bit_depth && CONFIG_H264CHROMA) {
        c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_rnd_ssse3;
        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_ssse3;
        c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_ssse3;
        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_ssse3;
    }
    c->add_hfyu_left_prediction = ff_add_hfyu_left_prediction_ssse3;
    if (mm_flags & AV_CPU_FLAG_SSE4) // not really sse4, just slow on Conroe
        c->add_hfyu_left_prediction = ff_add_hfyu_left_prediction_sse4;

    if (mm_flags & AV_CPU_FLAG_ATOM)
        c->apply_window_int16 = ff_apply_window_int16_ssse3_atom;
    else
        c->apply_window_int16 = ff_apply_window_int16_ssse3;
    if (!(mm_flags & (AV_CPU_FLAG_SSE42|AV_CPU_FLAG_3DNOW))) // cachesplit
        c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_ssse3;
    c->bswap_buf = ff_bswap32_buf_ssse3;
#endif /* HAVE_SSSE3_EXTERNAL */
}

static void dsputil_init_sse4(DSPContext *c, AVCodecContext *avctx,
                              int mm_flags)
{
#if HAVE_SSE4_EXTERNAL
    c->vector_clip_int32 = ff_vector_clip_int32_sse4;
#endif /* HAVE_SSE4_EXTERNAL */
}

static void dsputil_init_avx(DSPContext *c, AVCodecContext *avctx, int mm_flags)
{
#if HAVE_AVX_EXTERNAL
    const int bit_depth = avctx->bits_per_raw_sample;

    if (bit_depth == 10) {
        // AVX implies !cache64.
        // TODO: Port cache(32|64) detection from x264.
        if (CONFIG_H264QPEL) {
            H264_QPEL_FUNCS_10(1, 0, sse2);
            H264_QPEL_FUNCS_10(2, 0, sse2);
            H264_QPEL_FUNCS_10(3, 0, sse2);
        }

        if (CONFIG_H264CHROMA) {
            c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_10_avx;
            c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_10_avx;
        }
    }
    c->butterflies_float_interleave = ff_butterflies_float_interleave_avx;
    c->vector_fmul_reverse = ff_vector_fmul_reverse_avx;
    c->vector_fmul_add = ff_vector_fmul_add_avx;
#endif /* HAVE_AVX_EXTERNAL */
}

void ff_dsputil_init_mmx(DSPContext *c, AVCodecContext *avctx)
{
    int mm_flags = av_get_cpu_flags();

#if HAVE_7REGS && HAVE_INLINE_ASM
    if (mm_flags & AV_CPU_FLAG_CMOV)
        c->add_hfyu_median_prediction = add_hfyu_median_prediction_cmov;
#endif

    if (mm_flags & AV_CPU_FLAG_MMX)
        dsputil_init_mmx(c, avctx, mm_flags);

    if (mm_flags & AV_CPU_FLAG_MMXEXT)
        dsputil_init_mmxext(c, avctx, mm_flags);

    if (mm_flags & AV_CPU_FLAG_3DNOW)
        dsputil_init_3dnow(c, avctx, mm_flags);

    if (mm_flags & AV_CPU_FLAG_3DNOWEXT)
        dsputil_init_3dnowext(c, avctx, mm_flags);

    if (mm_flags & AV_CPU_FLAG_SSE)
        dsputil_init_sse(c, avctx, mm_flags);

    if (mm_flags & AV_CPU_FLAG_SSE2)
        dsputil_init_sse2(c, avctx, mm_flags);

    if (mm_flags & AV_CPU_FLAG_SSSE3)
        dsputil_init_ssse3(c, avctx, mm_flags);

    if (mm_flags & AV_CPU_FLAG_SSE4)
        dsputil_init_sse4(c, avctx, mm_flags);

    if (mm_flags & AV_CPU_FLAG_AVX)
        dsputil_init_avx(c, avctx, mm_flags);

    if (CONFIG_ENCODERS)
        ff_dsputilenc_init_mmx(c, avctx);
}