/*
 * MMX optimized DSP utils
 * Copyright (c) 2000, 2001 Fabrice Bellard.
 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg 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.
 *
 * FFmpeg 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 FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
 */

#include "dsputil.h"
#include "dsputil_mmx.h"
#include "simple_idct.h"
#include "mpegvideo.h"
#include "x86_cpu.h"
#include "mmx.h"
#include "vp3dsp_mmx.h"
#include "vp3dsp_sse2.h"
#include "h263.h"

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

extern void ff_idct_xvid_mmx(short *block);
extern void ff_idct_xvid_mmx2(short *block);

int mm_flags; /* multimedia extension flags */

/* 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_8 (const uint64_t, ff_pw_3  ) = 0x0003000300030003ULL;
DECLARE_ALIGNED_8 (const uint64_t, ff_pw_4  ) = 0x0004000400040004ULL;
DECLARE_ALIGNED_16(const xmm_t,    ff_pw_5  ) = {0x0005000500050005ULL, 0x0005000500050005ULL};
DECLARE_ALIGNED_8 (const uint64_t, ff_pw_8  ) = 0x0008000800080008ULL;
DECLARE_ALIGNED_8 (const uint64_t, ff_pw_15 ) = 0x000F000F000F000FULL;
DECLARE_ALIGNED_16(const xmm_t,    ff_pw_16 ) = {0x0010001000100010ULL, 0x0010001000100010ULL};
DECLARE_ALIGNED_8 (const uint64_t, ff_pw_20 ) = 0x0014001400140014ULL;
DECLARE_ALIGNED_16(const xmm_t,    ff_pw_32 ) = {0x0020002000200020ULL, 0x0020002000200020ULL};
DECLARE_ALIGNED_8 (const uint64_t, ff_pw_42 ) = 0x002A002A002A002AULL;
DECLARE_ALIGNED_8 (const uint64_t, ff_pw_64 ) = 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_pb_1  ) = 0x0101010101010101ULL;
DECLARE_ALIGNED_8 (const uint64_t, ff_pb_3  ) = 0x0303030303030303ULL;
DECLARE_ALIGNED_8 (const uint64_t, ff_pb_7  ) = 0x0707070707070707ULL;
DECLARE_ALIGNED_8 (const uint64_t, ff_pb_3F ) = 0x3F3F3F3F3F3F3F3FULL;
DECLARE_ALIGNED_8 (const uint64_t, ff_pb_A1 ) = 0xA1A1A1A1A1A1A1A1ULL;
DECLARE_ALIGNED_8 (const uint64_t, ff_pb_FC ) = 0xFCFCFCFCFCFCFCFCULL;

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 };

#define JUMPALIGN() __asm __volatile (ASMALIGN(3)::)
#define MOVQ_ZERO(regd)  __asm __volatile ("pxor %%" #regd ", %%" #regd ::)

#define MOVQ_WONE(regd) \
    __asm __volatile ( \
    "pcmpeqd %%" #regd ", %%" #regd " \n\t" \
    "psrlw $15, %%" #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)

#include "dsputil_mmx_rnd.h"

#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_mmx_rnd.h"

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

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

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

#include "dsputil_mmx_avg.h"

#undef DEF
#undef PAVGB

/***********************************/
/* MMX2 specific */

#define DEF(x) x ## _mmx2

/* Introduced only in MMX2 set */
#define PAVGB "pavgb"

#include "dsputil_mmx_avg.h"

#undef DEF
#undef PAVGB

#define put_no_rnd_pixels16_mmx put_pixels16_mmx
#define put_no_rnd_pixels8_mmx put_pixels8_mmx
#define put_pixels16_mmx2 put_pixels16_mmx
#define put_pixels8_mmx2 put_pixels8_mmx
#define put_pixels4_mmx2 put_pixels4_mmx
#define put_no_rnd_pixels16_mmx2 put_no_rnd_pixels16_mmx
#define put_no_rnd_pixels8_mmx2 put_no_rnd_pixels8_mmx
#define put_pixels16_3dnow put_pixels16_mmx
#define put_pixels8_3dnow put_pixels8_mmx
#define put_pixels4_3dnow put_pixels4_mmx
#define put_no_rnd_pixels16_3dnow put_no_rnd_pixels16_mmx
#define put_no_rnd_pixels8_3dnow put_no_rnd_pixels8_mmx

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

#ifdef CONFIG_ENCODERS
static void get_pixels_mmx(DCTELEM *block, const uint8_t *pixels, int line_size)
{
    asm volatile(
        "mov $-128, %%"REG_a"           \n\t"
        "pxor %%mm7, %%mm7              \n\t"
        ASMALIGN(4)
        "1:                             \n\t"
        "movq (%0), %%mm0               \n\t"
        "movq (%0, %2), %%mm2           \n\t"
        "movq %%mm0, %%mm1              \n\t"
        "movq %%mm2, %%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, %%"REG_a")    \n\t"
        "movq %%mm1, 8(%1, %%"REG_a")   \n\t"
        "movq %%mm2, 16(%1, %%"REG_a")  \n\t"
        "movq %%mm3, 24(%1, %%"REG_a")  \n\t"
        "add %3, %0                     \n\t"
        "add $32, %%"REG_a"             \n\t"
        "js 1b                          \n\t"
        : "+r" (pixels)
        : "r" (block+64), "r" ((long)line_size), "r" ((long)line_size*2)
        : "%"REG_a
    );
}

static inline void diff_pixels_mmx(DCTELEM *block, const uint8_t *s1, const uint8_t *s2, int stride)
{
    asm volatile(
        "pxor %%mm7, %%mm7              \n\t"
        "mov $-128, %%"REG_a"           \n\t"
        ASMALIGN(4)
        "1:                             \n\t"
        "movq (%0), %%mm0               \n\t"
        "movq (%1), %%mm2               \n\t"
        "movq %%mm0, %%mm1              \n\t"
        "movq %%mm2, %%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 %%mm0, (%2, %%"REG_a")    \n\t"
        "movq %%mm1, 8(%2, %%"REG_a")   \n\t"
        "add %3, %0                     \n\t"
        "add %3, %1                     \n\t"
        "add $16, %%"REG_a"             \n\t"
        "jnz 1b                         \n\t"
        : "+r" (s1), "+r" (s2)
        : "r" (block+64), "r" ((long)stride)
        : "%"REG_a
    );
}
#endif //CONFIG_ENCODERS

void 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" ((long)line_size), "r" ((long)line_size*3), "m"(*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" ((long)line_size), "r" ((long)line_size*3), "r"(p)
            :"memory");
}

static DECLARE_ALIGNED_8(const unsigned char, vector128[8]) =
  { 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 };

void put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size)
{
    int i;

    movq_m2r(*vector128, mm1);
    for (i = 0; i < 8; i++) {
        movq_m2r(*(block), mm0);
        packsswb_m2r(*(block + 4), mm0);
        block += 8;
        paddb_r2r(mm1, mm0);
        movq_r2m(mm0, *pixels);
        pixels += line_size;
    }
}

void 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_pixels4_mmx(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
    __asm __volatile(
         "lea (%3, %3), %%"REG_a"       \n\t"
         ASMALIGN(3)
         "1:                            \n\t"
         "movd (%1), %%mm0              \n\t"
         "movd (%1, %3), %%mm1          \n\t"
         "movd %%mm0, (%2)              \n\t"
         "movd %%mm1, (%2, %3)          \n\t"
         "add %%"REG_a", %1             \n\t"
         "add %%"REG_a", %2             \n\t"
         "movd (%1), %%mm0              \n\t"
         "movd (%1, %3), %%mm1          \n\t"
         "movd %%mm0, (%2)              \n\t"
         "movd %%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"((long)line_size)
         : "%"REG_a, "memory"
        );
}

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"
         ASMALIGN(3)
         "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"((long)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"
         ASMALIGN(3)
         "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"((long)line_size)
         : "%"REG_a, "memory"
        );
}

static void put_pixels16_sse2(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
    __asm __volatile(
         "1:                            \n\t"
         "movdqu (%1), %%xmm0           \n\t"
         "movdqu (%1,%3), %%xmm1        \n\t"
         "movdqu (%1,%3,2), %%xmm2      \n\t"
         "movdqu (%1,%4), %%xmm3        \n\t"
         "movdqa %%xmm0, (%2)           \n\t"
         "movdqa %%xmm1, (%2,%3)        \n\t"
         "movdqa %%xmm2, (%2,%3,2)      \n\t"
         "movdqa %%xmm3, (%2,%4)        \n\t"
         "subl $4, %0                   \n\t"
         "lea (%1,%3,4), %1             \n\t"
         "lea (%2,%3,4), %2             \n\t"
         "jnz 1b                        \n\t"
         : "+g"(h), "+r" (pixels),  "+r" (block)
         : "r"((long)line_size), "r"(3L*line_size)
         : "memory"
        );
}

static void avg_pixels16_sse2(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
    __asm __volatile(
         "1:                            \n\t"
         "movdqu (%1), %%xmm0           \n\t"
         "movdqu (%1,%3), %%xmm1        \n\t"
         "movdqu (%1,%3,2), %%xmm2      \n\t"
         "movdqu (%1,%4), %%xmm3        \n\t"
         "pavgb  (%2), %%xmm0           \n\t"
         "pavgb  (%2,%3), %%xmm1        \n\t"
         "pavgb  (%2,%3,2), %%xmm2      \n\t"
         "pavgb  (%2,%4), %%xmm3        \n\t"
         "movdqa %%xmm0, (%2)           \n\t"
         "movdqa %%xmm1, (%2,%3)        \n\t"
         "movdqa %%xmm2, (%2,%3,2)      \n\t"
         "movdqa %%xmm3, (%2,%4)        \n\t"
         "subl $4, %0                   \n\t"
         "lea (%1,%3,4), %1             \n\t"
         "lea (%2,%3,4), %2             \n\t"
         "jnz 1b                        \n\t"
         : "+g"(h), "+r" (pixels),  "+r" (block)
         : "r"((long)line_size), "r"(3L*line_size)
         : "memory"
        );
}

static void clear_blocks_mmx(DCTELEM *blocks)
{
    __asm __volatile(
                "pxor %%mm7, %%mm7              \n\t"
                "mov $-128*6, %%"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*6)
                : "%"REG_a
        );
}

#ifdef CONFIG_ENCODERS
static int pix_sum16_mmx(uint8_t * pix, int line_size){
    const int h=16;
    int sum;
    long index= -line_size*h;

    __asm __volatile(
                "pxor %%mm7, %%mm7              \n\t"
                "pxor %%mm6, %%mm6              \n\t"
                "1:                             \n\t"
                "movq (%2, %1), %%mm0           \n\t"
                "movq (%2, %1), %%mm1           \n\t"
                "movq 8(%2, %1), %%mm2          \n\t"
                "movq 8(%2, %1), %%mm3          \n\t"
                "punpcklbw %%mm7, %%mm0         \n\t"
                "punpckhbw %%mm7, %%mm1         \n\t"
                "punpcklbw %%mm7, %%mm2         \n\t"
                "punpckhbw %%mm7, %%mm3         \n\t"
                "paddw %%mm0, %%mm1             \n\t"
                "paddw %%mm2, %%mm3             \n\t"
                "paddw %%mm1, %%mm3             \n\t"
                "paddw %%mm3, %%mm6             \n\t"
                "add %3, %1                     \n\t"
                " js 1b                         \n\t"
                "movq %%mm6, %%mm5              \n\t"
                "psrlq $32, %%mm6               \n\t"
                "paddw %%mm5, %%mm6             \n\t"
                "movq %%mm6, %%mm5              \n\t"
                "psrlq $16, %%mm6               \n\t"
                "paddw %%mm5, %%mm6             \n\t"
                "movd %%mm6, %0                 \n\t"
                "andl $0xFFFF, %0               \n\t"
                : "=&r" (sum), "+r" (index)
                : "r" (pix - index), "r" ((long)line_size)
        );

        return sum;
}
#endif //CONFIG_ENCODERS

static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){
    long i=0;
    asm volatile(
        "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"
        "cmp %3, %0                     \n\t"
        " jb 1b                         \n\t"
        : "+r" (i)
        : "r"(src), "r"(dst), "r"((long)w-15)
    );
    for(; i<w; i++)
        dst[i+0] += src[i+0];
}

#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(ENABLE_ANY_H263) {
    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 inline void transpose4x4(uint8_t *dst, uint8_t *src, int dst_stride, int src_stride){
    asm volatile( //FIXME could save 1 instruction if done as 8x4 ...
        "movd  %4, %%mm0                \n\t"
        "movd  %5, %%mm1                \n\t"
        "movd  %6, %%mm2                \n\t"
        "movd  %7, %%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"
        "punpckhdq %%mm0, %%mm0         \n\t"
        "movd  %%mm0, %1                \n\t"
        "movd  %%mm1, %2                \n\t"
        "punpckhdq %%mm1, %%mm1         \n\t"
        "movd  %%mm1, %3                \n\t"

        : "=m" (*(uint32_t*)(dst + 0*dst_stride)),
          "=m" (*(uint32_t*)(dst + 1*dst_stride)),
          "=m" (*(uint32_t*)(dst + 2*dst_stride)),
          "=m" (*(uint32_t*)(dst + 3*dst_stride))
        :  "m" (*(uint32_t*)(src + 0*src_stride)),
           "m" (*(uint32_t*)(src + 1*src_stride)),
           "m" (*(uint32_t*)(src + 2*src_stride)),
           "m" (*(uint32_t*)(src + 3*src_stride))
    );
}

static void h263_h_loop_filter_mmx(uint8_t *src, int stride, int qscale){
    if(ENABLE_ANY_H263) {
    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" ((long)   stride ),
           "r" ((long)(3*stride))
    );
    }
}

#ifdef CONFIG_ENCODERS
static int pix_norm1_mmx(uint8_t *pix, int line_size) {
    int tmp;
  asm volatile (
      "movl $16,%%ecx\n"
      "pxor %%mm0,%%mm0\n"
      "pxor %%mm7,%%mm7\n"
      "1:\n"
      "movq (%0),%%mm2\n"       /* mm2 = pix[0-7] */
      "movq 8(%0),%%mm3\n"      /* mm3 = pix[8-15] */

      "movq %%mm2,%%mm1\n"      /* mm1 = mm2 = pix[0-7] */

      "punpckhbw %%mm0,%%mm1\n" /* mm1 = [pix4-7] */
      "punpcklbw %%mm0,%%mm2\n" /* mm2 = [pix0-3] */

      "movq %%mm3,%%mm4\n"      /* mm4 = mm3 = pix[8-15] */
      "punpckhbw %%mm0,%%mm3\n" /* mm3 = [pix12-15] */
      "punpcklbw %%mm0,%%mm4\n" /* mm4 = [pix8-11] */

      "pmaddwd %%mm1,%%mm1\n"   /* mm1 = (pix0^2+pix1^2,pix2^2+pix3^2) */
      "pmaddwd %%mm2,%%mm2\n"   /* mm2 = (pix4^2+pix5^2,pix6^2+pix7^2) */

      "pmaddwd %%mm3,%%mm3\n"
      "pmaddwd %%mm4,%%mm4\n"

      "paddd %%mm1,%%mm2\n"     /* mm2 = (pix0^2+pix1^2+pix4^2+pix5^2,
                                          pix2^2+pix3^2+pix6^2+pix7^2) */
      "paddd %%mm3,%%mm4\n"
      "paddd %%mm2,%%mm7\n"

      "add %2, %0\n"
      "paddd %%mm4,%%mm7\n"
      "dec %%ecx\n"
      "jnz 1b\n"

      "movq %%mm7,%%mm1\n"
      "psrlq $32, %%mm7\n"      /* shift hi dword to lo */
      "paddd %%mm7,%%mm1\n"
      "movd %%mm1,%1\n"
      : "+r" (pix), "=r"(tmp) : "r" ((long)line_size) : "%ecx" );
    return tmp;
}

static int sse8_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
    int tmp;
  asm volatile (
      "movl %4,%%ecx\n"
      "shr $1,%%ecx\n"
      "pxor %%mm0,%%mm0\n"      /* mm0 = 0 */
      "pxor %%mm7,%%mm7\n"      /* mm7 holds the sum */
      "1:\n"
      "movq (%0),%%mm1\n"       /* mm1 = pix1[0][0-7] */
      "movq (%1),%%mm2\n"       /* mm2 = pix2[0][0-7] */
      "movq (%0,%3),%%mm3\n"    /* mm3 = pix1[1][0-7] */
      "movq (%1,%3),%%mm4\n"    /* mm4 = pix2[1][0-7] */

      /* todo: mm1-mm2, mm3-mm4 */
      /* algo: subtract mm1 from mm2 with saturation and vice versa */
      /*       OR the results to get absolute difference */
      "movq %%mm1,%%mm5\n"
      "movq %%mm3,%%mm6\n"
      "psubusb %%mm2,%%mm1\n"
      "psubusb %%mm4,%%mm3\n"
      "psubusb %%mm5,%%mm2\n"
      "psubusb %%mm6,%%mm4\n"

      "por %%mm1,%%mm2\n"
      "por %%mm3,%%mm4\n"

      /* now convert to 16-bit vectors so we can square them */
      "movq %%mm2,%%mm1\n"
      "movq %%mm4,%%mm3\n"

      "punpckhbw %%mm0,%%mm2\n"
      "punpckhbw %%mm0,%%mm4\n"
      "punpcklbw %%mm0,%%mm1\n" /* mm1 now spread over (mm1,mm2) */
      "punpcklbw %%mm0,%%mm3\n" /* mm4 now spread over (mm3,mm4) */

      "pmaddwd %%mm2,%%mm2\n"
      "pmaddwd %%mm4,%%mm4\n"
      "pmaddwd %%mm1,%%mm1\n"
      "pmaddwd %%mm3,%%mm3\n"

      "lea (%0,%3,2), %0\n"     /* pix1 += 2*line_size */
      "lea (%1,%3,2), %1\n"     /* pix2 += 2*line_size */

      "paddd %%mm2,%%mm1\n"
      "paddd %%mm4,%%mm3\n"
      "paddd %%mm1,%%mm7\n"
      "paddd %%mm3,%%mm7\n"

      "decl %%ecx\n"
      "jnz 1b\n"

      "movq %%mm7,%%mm1\n"
      "psrlq $32, %%mm7\n"      /* shift hi dword to lo */
      "paddd %%mm7,%%mm1\n"
      "movd %%mm1,%2\n"
      : "+r" (pix1), "+r" (pix2), "=r"(tmp)
      : "r" ((long)line_size) , "m" (h)
      : "%ecx");
    return tmp;
}

static int sse16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
    int tmp;
  asm volatile (
      "movl %4,%%ecx\n"
      "pxor %%mm0,%%mm0\n"      /* mm0 = 0 */
      "pxor %%mm7,%%mm7\n"      /* mm7 holds the sum */
      "1:\n"
      "movq (%0),%%mm1\n"       /* mm1 = pix1[0-7] */
      "movq (%1),%%mm2\n"       /* mm2 = pix2[0-7] */
      "movq 8(%0),%%mm3\n"      /* mm3 = pix1[8-15] */
      "movq 8(%1),%%mm4\n"      /* mm4 = pix2[8-15] */

      /* todo: mm1-mm2, mm3-mm4 */
      /* algo: subtract mm1 from mm2 with saturation and vice versa */
      /*       OR the results to get absolute difference */
      "movq %%mm1,%%mm5\n"
      "movq %%mm3,%%mm6\n"
      "psubusb %%mm2,%%mm1\n"
      "psubusb %%mm4,%%mm3\n"
      "psubusb %%mm5,%%mm2\n"
      "psubusb %%mm6,%%mm4\n"

      "por %%mm1,%%mm2\n"
      "por %%mm3,%%mm4\n"

      /* now convert to 16-bit vectors so we can square them */
      "movq %%mm2,%%mm1\n"
      "movq %%mm4,%%mm3\n"

      "punpckhbw %%mm0,%%mm2\n"
      "punpckhbw %%mm0,%%mm4\n"
      "punpcklbw %%mm0,%%mm1\n" /* mm1 now spread over (mm1,mm2) */
      "punpcklbw %%mm0,%%mm3\n" /* mm4 now spread over (mm3,mm4) */

      "pmaddwd %%mm2,%%mm2\n"
      "pmaddwd %%mm4,%%mm4\n"
      "pmaddwd %%mm1,%%mm1\n"
      "pmaddwd %%mm3,%%mm3\n"

      "add %3,%0\n"
      "add %3,%1\n"

      "paddd %%mm2,%%mm1\n"
      "paddd %%mm4,%%mm3\n"
      "paddd %%mm1,%%mm7\n"
      "paddd %%mm3,%%mm7\n"

      "decl %%ecx\n"
      "jnz 1b\n"

      "movq %%mm7,%%mm1\n"
      "psrlq $32, %%mm7\n"      /* shift hi dword to lo */
      "paddd %%mm7,%%mm1\n"
      "movd %%mm1,%2\n"
      : "+r" (pix1), "+r" (pix2), "=r"(tmp)
      : "r" ((long)line_size) , "m" (h)
      : "%ecx");
    return tmp;
}

static int sse16_sse2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
    int tmp;
  asm volatile (
      "shr $1,%2\n"
      "pxor %%xmm0,%%xmm0\n"    /* mm0 = 0 */
      "pxor %%xmm7,%%xmm7\n"    /* mm7 holds the sum */
      "1:\n"
      "movdqu (%0),%%xmm1\n"    /* mm1 = pix1[0][0-15] */
      "movdqu (%1),%%xmm2\n"    /* mm2 = pix2[0][0-15] */
      "movdqu (%0,%4),%%xmm3\n" /* mm3 = pix1[1][0-15] */
      "movdqu (%1,%4),%%xmm4\n" /* mm4 = pix2[1][0-15] */

      /* todo: mm1-mm2, mm3-mm4 */
      /* algo: subtract mm1 from mm2 with saturation and vice versa */
      /*       OR the results to get absolute difference */
      "movdqa %%xmm1,%%xmm5\n"
      "movdqa %%xmm3,%%xmm6\n"
      "psubusb %%xmm2,%%xmm1\n"
      "psubusb %%xmm4,%%xmm3\n"
      "psubusb %%xmm5,%%xmm2\n"
      "psubusb %%xmm6,%%xmm4\n"

      "por %%xmm1,%%xmm2\n"
      "por %%xmm3,%%xmm4\n"

      /* now convert to 16-bit vectors so we can square them */
      "movdqa %%xmm2,%%xmm1\n"
      "movdqa %%xmm4,%%xmm3\n"

      "punpckhbw %%xmm0,%%xmm2\n"
      "punpckhbw %%xmm0,%%xmm4\n"
      "punpcklbw %%xmm0,%%xmm1\n"  /* mm1 now spread over (mm1,mm2) */
      "punpcklbw %%xmm0,%%xmm3\n"  /* mm4 now spread over (mm3,mm4) */

      "pmaddwd %%xmm2,%%xmm2\n"
      "pmaddwd %%xmm4,%%xmm4\n"
      "pmaddwd %%xmm1,%%xmm1\n"
      "pmaddwd %%xmm3,%%xmm3\n"

      "lea (%0,%4,2), %0\n"        /* pix1 += 2*line_size */
      "lea (%1,%4,2), %1\n"        /* pix2 += 2*line_size */

      "paddd %%xmm2,%%xmm1\n"
      "paddd %%xmm4,%%xmm3\n"
      "paddd %%xmm1,%%xmm7\n"
      "paddd %%xmm3,%%xmm7\n"

      "decl %2\n"
      "jnz 1b\n"

      "movdqa %%xmm7,%%xmm1\n"
      "psrldq $8, %%xmm7\n"        /* shift hi qword to lo */
      "paddd %%xmm1,%%xmm7\n"
      "movdqa %%xmm7,%%xmm1\n"
      "psrldq $4, %%xmm7\n"        /* shift hi dword to lo */
      "paddd %%xmm1,%%xmm7\n"
      "movd %%xmm7,%3\n"
      : "+r" (pix1), "+r" (pix2), "+r"(h), "=r"(tmp)
      : "r" ((long)line_size));
    return tmp;
}

static int hf_noise8_mmx(uint8_t * pix1, int line_size, int h) {
    int tmp;
  asm volatile (
      "movl %3,%%ecx\n"
      "pxor %%mm7,%%mm7\n"
      "pxor %%mm6,%%mm6\n"

      "movq (%0),%%mm0\n"
      "movq %%mm0, %%mm1\n"
      "psllq $8, %%mm0\n"
      "psrlq $8, %%mm1\n"
      "psrlq $8, %%mm0\n"
      "movq %%mm0, %%mm2\n"
      "movq %%mm1, %%mm3\n"
      "punpcklbw %%mm7,%%mm0\n"
      "punpcklbw %%mm7,%%mm1\n"
      "punpckhbw %%mm7,%%mm2\n"
      "punpckhbw %%mm7,%%mm3\n"
      "psubw %%mm1, %%mm0\n"
      "psubw %%mm3, %%mm2\n"

      "add %2,%0\n"

      "movq (%0),%%mm4\n"
      "movq %%mm4, %%mm1\n"
      "psllq $8, %%mm4\n"
      "psrlq $8, %%mm1\n"
      "psrlq $8, %%mm4\n"
      "movq %%mm4, %%mm5\n"
      "movq %%mm1, %%mm3\n"
      "punpcklbw %%mm7,%%mm4\n"
      "punpcklbw %%mm7,%%mm1\n"
      "punpckhbw %%mm7,%%mm5\n"
      "punpckhbw %%mm7,%%mm3\n"
      "psubw %%mm1, %%mm4\n"
      "psubw %%mm3, %%mm5\n"
      "psubw %%mm4, %%mm0\n"
      "psubw %%mm5, %%mm2\n"
      "pxor %%mm3, %%mm3\n"
      "pxor %%mm1, %%mm1\n"
      "pcmpgtw %%mm0, %%mm3\n\t"
      "pcmpgtw %%mm2, %%mm1\n\t"
      "pxor %%mm3, %%mm0\n"
      "pxor %%mm1, %%mm2\n"
      "psubw %%mm3, %%mm0\n"
      "psubw %%mm1, %%mm2\n"
      "paddw %%mm0, %%mm2\n"
      "paddw %%mm2, %%mm6\n"

      "add %2,%0\n"
      "1:\n"

      "movq (%0),%%mm0\n"
      "movq %%mm0, %%mm1\n"
      "psllq $8, %%mm0\n"
      "psrlq $8, %%mm1\n"
      "psrlq $8, %%mm0\n"
      "movq %%mm0, %%mm2\n"
      "movq %%mm1, %%mm3\n"
      "punpcklbw %%mm7,%%mm0\n"
      "punpcklbw %%mm7,%%mm1\n"
      "punpckhbw %%mm7,%%mm2\n"
      "punpckhbw %%mm7,%%mm3\n"
      "psubw %%mm1, %%mm0\n"
      "psubw %%mm3, %%mm2\n"
      "psubw %%mm0, %%mm4\n"
      "psubw %%mm2, %%mm5\n"
      "pxor %%mm3, %%mm3\n"
      "pxor %%mm1, %%mm1\n"
      "pcmpgtw %%mm4, %%mm3\n\t"
      "pcmpgtw %%mm5, %%mm1\n\t"
      "pxor %%mm3, %%mm4\n"
      "pxor %%mm1, %%mm5\n"
      "psubw %%mm3, %%mm4\n"
      "psubw %%mm1, %%mm5\n"
      "paddw %%mm4, %%mm5\n"
      "paddw %%mm5, %%mm6\n"

      "add %2,%0\n"

      "movq (%0),%%mm4\n"
      "movq %%mm4, %%mm1\n"
      "psllq $8, %%mm4\n"
      "psrlq $8, %%mm1\n"
      "psrlq $8, %%mm4\n"
      "movq %%mm4, %%mm5\n"
      "movq %%mm1, %%mm3\n"
      "punpcklbw %%mm7,%%mm4\n"
      "punpcklbw %%mm7,%%mm1\n"
      "punpckhbw %%mm7,%%mm5\n"
      "punpckhbw %%mm7,%%mm3\n"
      "psubw %%mm1, %%mm4\n"
      "psubw %%mm3, %%mm5\n"
      "psubw %%mm4, %%mm0\n"
      "psubw %%mm5, %%mm2\n"
      "pxor %%mm3, %%mm3\n"
      "pxor %%mm1, %%mm1\n"
      "pcmpgtw %%mm0, %%mm3\n\t"
      "pcmpgtw %%mm2, %%mm1\n\t"
      "pxor %%mm3, %%mm0\n"
      "pxor %%mm1, %%mm2\n"
      "psubw %%mm3, %%mm0\n"
      "psubw %%mm1, %%mm2\n"
      "paddw %%mm0, %%mm2\n"
      "paddw %%mm2, %%mm6\n"

      "add %2,%0\n"
      "subl $2, %%ecx\n"
      " jnz 1b\n"

      "movq %%mm6, %%mm0\n"
      "punpcklwd %%mm7,%%mm0\n"
      "punpckhwd %%mm7,%%mm6\n"
      "paddd %%mm0, %%mm6\n"

      "movq %%mm6,%%mm0\n"
      "psrlq $32, %%mm6\n"
      "paddd %%mm6,%%mm0\n"
      "movd %%mm0,%1\n"
      : "+r" (pix1), "=r"(tmp)
      : "r" ((long)line_size) , "g" (h-2)
      : "%ecx");
      return tmp;
}

static int hf_noise16_mmx(uint8_t * pix1, int line_size, int h) {
    int tmp;
    uint8_t * pix= pix1;
  asm volatile (
      "movl %3,%%ecx\n"
      "pxor %%mm7,%%mm7\n"
      "pxor %%mm6,%%mm6\n"

      "movq (%0),%%mm0\n"
      "movq 1(%0),%%mm1\n"
      "movq %%mm0, %%mm2\n"
      "movq %%mm1, %%mm3\n"
      "punpcklbw %%mm7,%%mm0\n"
      "punpcklbw %%mm7,%%mm1\n"
      "punpckhbw %%mm7,%%mm2\n"
      "punpckhbw %%mm7,%%mm3\n"
      "psubw %%mm1, %%mm0\n"
      "psubw %%mm3, %%mm2\n"

      "add %2,%0\n"

      "movq (%0),%%mm4\n"
      "movq 1(%0),%%mm1\n"
      "movq %%mm4, %%mm5\n"
      "movq %%mm1, %%mm3\n"
      "punpcklbw %%mm7,%%mm4\n"
      "punpcklbw %%mm7,%%mm1\n"
      "punpckhbw %%mm7,%%mm5\n"
      "punpckhbw %%mm7,%%mm3\n"
      "psubw %%mm1, %%mm4\n"
      "psubw %%mm3, %%mm5\n"
      "psubw %%mm4, %%mm0\n"
      "psubw %%mm5, %%mm2\n"
      "pxor %%mm3, %%mm3\n"
      "pxor %%mm1, %%mm1\n"
      "pcmpgtw %%mm0, %%mm3\n\t"
      "pcmpgtw %%mm2, %%mm1\n\t"
      "pxor %%mm3, %%mm0\n"
      "pxor %%mm1, %%mm2\n"
      "psubw %%mm3, %%mm0\n"
      "psubw %%mm1, %%mm2\n"
      "paddw %%mm0, %%mm2\n"
      "paddw %%mm2, %%mm6\n"

      "add %2,%0\n"
      "1:\n"

      "movq (%0),%%mm0\n"
      "movq 1(%0),%%mm1\n"
      "movq %%mm0, %%mm2\n"
      "movq %%mm1, %%mm3\n"
      "punpcklbw %%mm7,%%mm0\n"
      "punpcklbw %%mm7,%%mm1\n"
      "punpckhbw %%mm7,%%mm2\n"
      "punpckhbw %%mm7,%%mm3\n"
      "psubw %%mm1, %%mm0\n"
      "psubw %%mm3, %%mm2\n"
      "psubw %%mm0, %%mm4\n"
      "psubw %%mm2, %%mm5\n"
      "pxor %%mm3, %%mm3\n"
      "pxor %%mm1, %%mm1\n"
      "pcmpgtw %%mm4, %%mm3\n\t"
      "pcmpgtw %%mm5, %%mm1\n\t"
      "pxor %%mm3, %%mm4\n"
      "pxor %%mm1, %%mm5\n"
      "psubw %%mm3, %%mm4\n"
      "psubw %%mm1, %%mm5\n"
      "paddw %%mm4, %%mm5\n"
      "paddw %%mm5, %%mm6\n"

      "add %2,%0\n"

      "movq (%0),%%mm4\n"
      "movq 1(%0),%%mm1\n"
      "movq %%mm4, %%mm5\n"
      "movq %%mm1, %%mm3\n"
      "punpcklbw %%mm7,%%mm4\n"
      "punpcklbw %%mm7,%%mm1\n"
      "punpckhbw %%mm7,%%mm5\n"
      "punpckhbw %%mm7,%%mm3\n"
      "psubw %%mm1, %%mm4\n"
      "psubw %%mm3, %%mm5\n"
      "psubw %%mm4, %%mm0\n"
      "psubw %%mm5, %%mm2\n"
      "pxor %%mm3, %%mm3\n"
      "pxor %%mm1, %%mm1\n"
      "pcmpgtw %%mm0, %%mm3\n\t"
      "pcmpgtw %%mm2, %%mm1\n\t"
      "pxor %%mm3, %%mm0\n"
      "pxor %%mm1, %%mm2\n"
      "psubw %%mm3, %%mm0\n"
      "psubw %%mm1, %%mm2\n"
      "paddw %%mm0, %%mm2\n"
      "paddw %%mm2, %%mm6\n"

      "add %2,%0\n"
      "subl $2, %%ecx\n"
      " jnz 1b\n"

      "movq %%mm6, %%mm0\n"
      "punpcklwd %%mm7,%%mm0\n"
      "punpckhwd %%mm7,%%mm6\n"
      "paddd %%mm0, %%mm6\n"

      "movq %%mm6,%%mm0\n"
      "psrlq $32, %%mm6\n"
      "paddd %%mm6,%%mm0\n"
      "movd %%mm0,%1\n"
      : "+r" (pix1), "=r"(tmp)
      : "r" ((long)line_size) , "g" (h-2)
      : "%ecx");
      return tmp + hf_noise8_mmx(pix+8, line_size, h);
}

static int nsse16_mmx(void *p, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
    MpegEncContext *c = p;
    int score1, score2;

    if(c) score1 = c->dsp.sse[0](c, pix1, pix2, line_size, h);
    else  score1 = sse16_mmx(c, pix1, pix2, line_size, h);
    score2= hf_noise16_mmx(pix1, line_size, h) - hf_noise16_mmx(pix2, line_size, h);

    if(c) return score1 + FFABS(score2)*c->avctx->nsse_weight;
    else  return score1 + FFABS(score2)*8;
}

static int nsse8_mmx(void *p, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
    MpegEncContext *c = p;
    int score1= sse8_mmx(c, pix1, pix2, line_size, h);
    int score2= hf_noise8_mmx(pix1, line_size, h) - hf_noise8_mmx(pix2, line_size, h);

    if(c) return score1 + FFABS(score2)*c->avctx->nsse_weight;
    else  return score1 + FFABS(score2)*8;
}

static int vsad_intra16_mmx(void *v, uint8_t * pix, uint8_t * dummy, int line_size, int h) {
    int tmp;

    assert( (((int)pix) & 7) == 0);
    assert((line_size &7) ==0);

#define SUM(in0, in1, out0, out1) \
      "movq (%0), %%mm2\n"\
      "movq 8(%0), %%mm3\n"\
      "add %2,%0\n"\
      "movq %%mm2, " #out0 "\n"\
      "movq %%mm3, " #out1 "\n"\
      "psubusb " #in0 ", %%mm2\n"\
      "psubusb " #in1 ", %%mm3\n"\
      "psubusb " #out0 ", " #in0 "\n"\
      "psubusb " #out1 ", " #in1 "\n"\
      "por %%mm2, " #in0 "\n"\
      "por %%mm3, " #in1 "\n"\
      "movq " #in0 ", %%mm2\n"\
      "movq " #in1 ", %%mm3\n"\
      "punpcklbw %%mm7, " #in0 "\n"\
      "punpcklbw %%mm7, " #in1 "\n"\
      "punpckhbw %%mm7, %%mm2\n"\
      "punpckhbw %%mm7, %%mm3\n"\
      "paddw " #in1 ", " #in0 "\n"\
      "paddw %%mm3, %%mm2\n"\
      "paddw %%mm2, " #in0 "\n"\
      "paddw " #in0 ", %%mm6\n"


  asm volatile (
      "movl %3,%%ecx\n"
      "pxor %%mm6,%%mm6\n"
      "pxor %%mm7,%%mm7\n"
      "movq (%0),%%mm0\n"
      "movq 8(%0),%%mm1\n"
      "add %2,%0\n"
      "subl $2, %%ecx\n"
      SUM(%%mm0, %%mm1, %%mm4, %%mm5)
      "1:\n"

      SUM(%%mm4, %%mm5, %%mm0, %%mm1)

      SUM(%%mm0, %%mm1, %%mm4, %%mm5)

      "subl $2, %%ecx\n"
      "jnz 1b\n"

      "movq %%mm6,%%mm0\n"
      "psrlq $32, %%mm6\n"
      "paddw %%mm6,%%mm0\n"
      "movq %%mm0,%%mm6\n"
      "psrlq $16, %%mm0\n"
      "paddw %%mm6,%%mm0\n"
      "movd %%mm0,%1\n"
      : "+r" (pix), "=r"(tmp)
      : "r" ((long)line_size) , "m" (h)
      : "%ecx");
    return tmp & 0xFFFF;
}
#undef SUM

static int vsad_intra16_mmx2(void *v, uint8_t * pix, uint8_t * dummy, int line_size, int h) {
    int tmp;

    assert( (((int)pix) & 7) == 0);
    assert((line_size &7) ==0);

#define SUM(in0, in1, out0, out1) \
      "movq (%0), " #out0 "\n"\
      "movq 8(%0), " #out1 "\n"\
      "add %2,%0\n"\
      "psadbw " #out0 ", " #in0 "\n"\
      "psadbw " #out1 ", " #in1 "\n"\
      "paddw " #in1 ", " #in0 "\n"\
      "paddw " #in0 ", %%mm6\n"

  asm volatile (
      "movl %3,%%ecx\n"
      "pxor %%mm6,%%mm6\n"
      "pxor %%mm7,%%mm7\n"
      "movq (%0),%%mm0\n"
      "movq 8(%0),%%mm1\n"
      "add %2,%0\n"
      "subl $2, %%ecx\n"
      SUM(%%mm0, %%mm1, %%mm4, %%mm5)
      "1:\n"

      SUM(%%mm4, %%mm5, %%mm0, %%mm1)

      SUM(%%mm0, %%mm1, %%mm4, %%mm5)

      "subl $2, %%ecx\n"
      "jnz 1b\n"

      "movd %%mm6,%1\n"
      : "+r" (pix), "=r"(tmp)
      : "r" ((long)line_size) , "m" (h)
      : "%ecx");
    return tmp;
}
#undef SUM

static int vsad16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
    int tmp;

    assert( (((int)pix1) & 7) == 0);
    assert( (((int)pix2) & 7) == 0);
    assert((line_size &7) ==0);

#define SUM(in0, in1, out0, out1) \
      "movq (%0),%%mm2\n"\
      "movq (%1)," #out0 "\n"\
      "movq 8(%0),%%mm3\n"\
      "movq 8(%1)," #out1 "\n"\
      "add %3,%0\n"\
      "add %3,%1\n"\
      "psubb " #out0 ", %%mm2\n"\
      "psubb " #out1 ", %%mm3\n"\
      "pxor %%mm7, %%mm2\n"\
      "pxor %%mm7, %%mm3\n"\
      "movq %%mm2, " #out0 "\n"\
      "movq %%mm3, " #out1 "\n"\
      "psubusb " #in0 ", %%mm2\n"\
      "psubusb " #in1 ", %%mm3\n"\
      "psubusb " #out0 ", " #in0 "\n"\
      "psubusb " #out1 ", " #in1 "\n"\
      "por %%mm2, " #in0 "\n"\
      "por %%mm3, " #in1 "\n"\
      "movq " #in0 ", %%mm2\n"\
      "movq " #in1 ", %%mm3\n"\
      "punpcklbw %%mm7, " #in0 "\n"\
      "punpcklbw %%mm7, " #in1 "\n"\
      "punpckhbw %%mm7, %%mm2\n"\
      "punpckhbw %%mm7, %%mm3\n"\
      "paddw " #in1 ", " #in0 "\n"\
      "paddw %%mm3, %%mm2\n"\
      "paddw %%mm2, " #in0 "\n"\
      "paddw " #in0 ", %%mm6\n"


  asm volatile (
      "movl %4,%%ecx\n"
      "pxor %%mm6,%%mm6\n"
      "pcmpeqw %%mm7,%%mm7\n"
      "psllw $15, %%mm7\n"
      "packsswb %%mm7, %%mm7\n"
      "movq (%0),%%mm0\n"
      "movq (%1),%%mm2\n"
      "movq 8(%0),%%mm1\n"
      "movq 8(%1),%%mm3\n"
      "add %3,%0\n"
      "add %3,%1\n"
      "subl $2, %%ecx\n"
      "psubb %%mm2, %%mm0\n"
      "psubb %%mm3, %%mm1\n"
      "pxor %%mm7, %%mm0\n"
      "pxor %%mm7, %%mm1\n"
      SUM(%%mm0, %%mm1, %%mm4, %%mm5)
      "1:\n"

      SUM(%%mm4, %%mm5, %%mm0, %%mm1)

      SUM(%%mm0, %%mm1, %%mm4, %%mm5)

      "subl $2, %%ecx\n"
      "jnz 1b\n"

      "movq %%mm6,%%mm0\n"
      "psrlq $32, %%mm6\n"
      "paddw %%mm6,%%mm0\n"
      "movq %%mm0,%%mm6\n"
      "psrlq $16, %%mm0\n"
      "paddw %%mm6,%%mm0\n"
      "movd %%mm0,%2\n"
      : "+r" (pix1), "+r" (pix2), "=r"(tmp)
      : "r" ((long)line_size) , "m" (h)
      : "%ecx");
    return tmp & 0x7FFF;
}
#undef SUM

static int vsad16_mmx2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
    int tmp;

    assert( (((int)pix1) & 7) == 0);
    assert( (((int)pix2) & 7) == 0);
    assert((line_size &7) ==0);

#define SUM(in0, in1, out0, out1) \
      "movq (%0)," #out0 "\n"\
      "movq (%1),%%mm2\n"\
      "movq 8(%0)," #out1 "\n"\
      "movq 8(%1),%%mm3\n"\
      "add %3,%0\n"\
      "add %3,%1\n"\
      "psubb %%mm2, " #out0 "\n"\
      "psubb %%mm3, " #out1 "\n"\
      "pxor %%mm7, " #out0 "\n"\
      "pxor %%mm7, " #out1 "\n"\
      "psadbw " #out0 ", " #in0 "\n"\
      "psadbw " #out1 ", " #in1 "\n"\
      "paddw " #in1 ", " #in0 "\n"\
      "paddw " #in0 ", %%mm6\n"

  asm volatile (
      "movl %4,%%ecx\n"
      "pxor %%mm6,%%mm6\n"
      "pcmpeqw %%mm7,%%mm7\n"
      "psllw $15, %%mm7\n"
      "packsswb %%mm7, %%mm7\n"
      "movq (%0),%%mm0\n"
      "movq (%1),%%mm2\n"
      "movq 8(%0),%%mm1\n"
      "movq 8(%1),%%mm3\n"
      "add %3,%0\n"
      "add %3,%1\n"
      "subl $2, %%ecx\n"
      "psubb %%mm2, %%mm0\n"
      "psubb %%mm3, %%mm1\n"
      "pxor %%mm7, %%mm0\n"
      "pxor %%mm7, %%mm1\n"
      SUM(%%mm0, %%mm1, %%mm4, %%mm5)
      "1:\n"

      SUM(%%mm4, %%mm5, %%mm0, %%mm1)

      SUM(%%mm0, %%mm1, %%mm4, %%mm5)

      "subl $2, %%ecx\n"
      "jnz 1b\n"

      "movd %%mm6,%2\n"
      : "+r" (pix1), "+r" (pix2), "=r"(tmp)
      : "r" ((long)line_size) , "m" (h)
      : "%ecx");
    return tmp;
}
#undef SUM

static void diff_bytes_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
    long i=0;
    asm volatile(
        "1:                             \n\t"
        "movq  (%2, %0), %%mm0          \n\t"
        "movq  (%1, %0), %%mm1          \n\t"
        "psubb %%mm0, %%mm1             \n\t"
        "movq %%mm1, (%3, %0)           \n\t"
        "movq 8(%2, %0), %%mm0          \n\t"
        "movq 8(%1, %0), %%mm1          \n\t"
        "psubb %%mm0, %%mm1             \n\t"
        "movq %%mm1, 8(%3, %0)          \n\t"
        "add $16, %0                    \n\t"
        "cmp %4, %0                     \n\t"
        " jb 1b                         \n\t"
        : "+r" (i)
        : "r"(src1), "r"(src2), "r"(dst), "r"((long)w-15)
    );
    for(; i<w; i++)
        dst[i+0] = src1[i+0]-src2[i+0];
}

static void sub_hfyu_median_prediction_mmx2(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top){
    long i=0;
    uint8_t l, lt;

    asm volatile(
        "1:                             \n\t"
        "movq  -1(%1, %0), %%mm0        \n\t" // LT
        "movq  (%1, %0), %%mm1          \n\t" // T
        "movq  -1(%2, %0), %%mm2        \n\t" // L
        "movq  (%2, %0), %%mm3          \n\t" // X
        "movq %%mm2, %%mm4              \n\t" // L
        "psubb %%mm0, %%mm2             \n\t"
        "paddb %%mm1, %%mm2             \n\t" // L + T - LT
        "movq %%mm4, %%mm5              \n\t" // L
        "pmaxub %%mm1, %%mm4            \n\t" // max(T, L)
        "pminub %%mm5, %%mm1            \n\t" // min(T, L)
        "pminub %%mm2, %%mm4            \n\t"
        "pmaxub %%mm1, %%mm4            \n\t"
        "psubb %%mm4, %%mm3             \n\t" // dst - pred
        "movq %%mm3, (%3, %0)           \n\t"
        "add $8, %0                     \n\t"
        "cmp %4, %0                     \n\t"
        " jb 1b                         \n\t"
        : "+r" (i)
        : "r"(src1), "r"(src2), "r"(dst), "r"((long)w)
    );

    l= *left;
    lt= *left_top;

    dst[0]= src2[0] - mid_pred(l, src1[0], (l + src1[0] - lt)&0xFF);

    *left_top= src1[w-1];
    *left    = src2[w-1];
}

#define DIFF_PIXELS_1(m,a,t,p1,p2)\
    "mov"#m" "#p1", "#a"              \n\t"\
    "mov"#m" "#p2", "#t"              \n\t"\
    "punpcklbw "#a", "#t"             \n\t"\
    "punpcklbw "#a", "#a"             \n\t"\
    "psubw     "#t", "#a"             \n\t"\

#define DIFF_PIXELS_8(m0,m1,mm,p1,p2,stride,temp) {\
    uint8_t *p1b=p1, *p2b=p2;\
    asm volatile(\
        DIFF_PIXELS_1(m0, mm##0, mm##7, (%1), (%2))\
        DIFF_PIXELS_1(m0, mm##1, mm##7, (%1,%3), (%2,%3))\
        DIFF_PIXELS_1(m0, mm##2, mm##7, (%1,%3,2), (%2,%3,2))\
        "add %4, %1                   \n\t"\
        "add %4, %2                   \n\t"\
        DIFF_PIXELS_1(m0, mm##3, mm##7, (%1), (%2))\
        DIFF_PIXELS_1(m0, mm##4, mm##7, (%1,%3), (%2,%3))\
        DIFF_PIXELS_1(m0, mm##5, mm##7, (%1,%3,2), (%2,%3,2))\
        DIFF_PIXELS_1(m0, mm##6, mm##7, (%1,%4), (%2,%4))\
        "mov"#m1" "#mm"0, %0          \n\t"\
        DIFF_PIXELS_1(m0, mm##7, mm##0, (%1,%3,4), (%2,%3,4))\
        "mov"#m1" %0, "#mm"0          \n\t"\
        : "+m"(temp), "+r"(p1b), "+r"(p2b)\
        : "r"((long)stride), "r"((long)stride*3)\
    );\
}
    //the "+m"(temp) is needed as gcc 2.95 sometimes fails to compile "=m"(temp)

#define DIFF_PIXELS_4x8(p1,p2,stride,temp) DIFF_PIXELS_8(d, q,   %%mm,  p1, p2, stride, temp)
#define DIFF_PIXELS_8x8(p1,p2,stride,temp) DIFF_PIXELS_8(q, dqa, %%xmm, p1, p2, stride, temp)

#define LBUTTERFLY2(a1,b1,a2,b2)\
    "paddw " #b1 ", " #a1 "           \n\t"\
    "paddw " #b2 ", " #a2 "           \n\t"\
    "paddw " #b1 ", " #b1 "           \n\t"\
    "paddw " #b2 ", " #b2 "           \n\t"\
    "psubw " #a1 ", " #b1 "           \n\t"\
    "psubw " #a2 ", " #b2 "           \n\t"

#define HADAMARD8(m0, m1, m2, m3, m4, m5, m6, m7)\
        LBUTTERFLY2(m0, m1, m2, m3)\
        LBUTTERFLY2(m4, m5, m6, m7)\
        LBUTTERFLY2(m0, m2, m1, m3)\
        LBUTTERFLY2(m4, m6, m5, m7)\
        LBUTTERFLY2(m0, m4, m1, m5)\
        LBUTTERFLY2(m2, m6, m3, m7)\

#define HADAMARD48 HADAMARD8(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm6, %%mm7)

#define MMABS_MMX(a,z)\
    "pxor " #z ", " #z "              \n\t"\
    "pcmpgtw " #a ", " #z "           \n\t"\
    "pxor " #z ", " #a "              \n\t"\
    "psubw " #z ", " #a "             \n\t"

#define MMABS_MMX2(a,z)\
    "pxor " #z ", " #z "              \n\t"\
    "psubw " #a ", " #z "             \n\t"\
    "pmaxsw " #z ", " #a "            \n\t"

#define MMABS_SSSE3(a,z)\
    "pabsw " #a ", " #a "             \n\t"

#define MMABS_SUM(a,z, sum)\
    MMABS(a,z)\
    "paddusw " #a ", " #sum "         \n\t"

#define MMABS_SUM_8x8_NOSPILL\
    MMABS(%%xmm0, %%xmm8)\
    MMABS(%%xmm1, %%xmm9)\
    MMABS_SUM(%%xmm2, %%xmm8, %%xmm0)\
    MMABS_SUM(%%xmm3, %%xmm9, %%xmm1)\
    MMABS_SUM(%%xmm4, %%xmm8, %%xmm0)\
    MMABS_SUM(%%xmm5, %%xmm9, %%xmm1)\
    MMABS_SUM(%%xmm6, %%xmm8, %%xmm0)\
    MMABS_SUM(%%xmm7, %%xmm9, %%xmm1)\
    "paddusw %%xmm1, %%xmm0           \n\t"

#ifdef ARCH_X86_64
#define MMABS_SUM_8x8_SSE2 MMABS_SUM_8x8_NOSPILL
#else
#define MMABS_SUM_8x8_SSE2\
    "movdqa %%xmm7, (%1)              \n\t"\
    MMABS(%%xmm0, %%xmm7)\
    MMABS(%%xmm1, %%xmm7)\
    MMABS_SUM(%%xmm2, %%xmm7, %%xmm0)\
    MMABS_SUM(%%xmm3, %%xmm7, %%xmm1)\
    MMABS_SUM(%%xmm4, %%xmm7, %%xmm0)\
    MMABS_SUM(%%xmm5, %%xmm7, %%xmm1)\
    MMABS_SUM(%%xmm6, %%xmm7, %%xmm0)\
    "movdqa (%1), %%xmm2              \n\t"\
    MMABS_SUM(%%xmm2, %%xmm7, %%xmm1)\
    "paddusw %%xmm1, %%xmm0           \n\t"
#endif

#define LOAD4(o, a, b, c, d)\
    "movq "#o"(%1),    "#a"           \n\t"\
    "movq "#o"+8(%1),  "#b"           \n\t"\
    "movq "#o"+16(%1), "#c"           \n\t"\
    "movq "#o"+24(%1), "#d"           \n\t"\

#define STORE4(o, a, b, c, d)\
    "movq "#a", "#o"(%1)              \n\t"\
    "movq "#b", "#o"+8(%1)            \n\t"\
    "movq "#c", "#o"+16(%1)           \n\t"\
    "movq "#d", "#o"+24(%1)           \n\t"\

/* FIXME: HSUM_* saturates at 64k, while an 8x8 hadamard or dct block can get up to
 * about 100k on extreme inputs. But that's very unlikely to occur in natural video,
 * and it's even more unlikely to not have any alternative mvs/modes with lower cost. */
#define HSUM_MMX(a, t, dst)\
    "movq "#a", "#t"                  \n\t"\
    "psrlq $32, "#a"                  \n\t"\
    "paddusw "#t", "#a"               \n\t"\
    "movq "#a", "#t"                  \n\t"\
    "psrlq $16, "#a"                  \n\t"\
    "paddusw "#t", "#a"               \n\t"\
    "movd "#a", "#dst"                \n\t"\

#define HSUM_MMX2(a, t, dst)\
    "pshufw $0x0E, "#a", "#t"         \n\t"\
    "paddusw "#t", "#a"               \n\t"\
    "pshufw $0x01, "#a", "#t"         \n\t"\
    "paddusw "#t", "#a"               \n\t"\
    "movd "#a", "#dst"                \n\t"\

#define HSUM_SSE2(a, t, dst)\
    "movhlps "#a", "#t"               \n\t"\
    "paddusw "#t", "#a"               \n\t"\
    "pshuflw $0x0E, "#a", "#t"        \n\t"\
    "paddusw "#t", "#a"               \n\t"\
    "pshuflw $0x01, "#a", "#t"        \n\t"\
    "paddusw "#t", "#a"               \n\t"\
    "movd "#a", "#dst"                \n\t"\

#define HADAMARD8_DIFF_MMX(cpu) \
static int hadamard8_diff_##cpu(void *s, uint8_t *src1, uint8_t *src2, int stride, int h){\
    DECLARE_ALIGNED_8(uint64_t, temp[13]);\
    int sum;\
\
    assert(h==8);\
\
    DIFF_PIXELS_4x8(src1, src2, stride, temp[0]);\
\
    asm volatile(\
        HADAMARD48\
\
        "movq %%mm7, 96(%1)             \n\t"\
\
        TRANSPOSE4(%%mm0, %%mm1, %%mm2, %%mm3, %%mm7)\
        STORE4(0 , %%mm0, %%mm3, %%mm7, %%mm2)\
\
        "movq 96(%1), %%mm7             \n\t"\
        TRANSPOSE4(%%mm4, %%mm5, %%mm6, %%mm7, %%mm0)\
        STORE4(64, %%mm4, %%mm7, %%mm0, %%mm6)\
\
        : "=r" (sum)\
        : "r"(temp)\
    );\
\
    DIFF_PIXELS_4x8(src1+4, src2+4, stride, temp[4]);\
\
    asm volatile(\
        HADAMARD48\
\
        "movq %%mm7, 96(%1)             \n\t"\
\
        TRANSPOSE4(%%mm0, %%mm1, %%mm2, %%mm3, %%mm7)\
        STORE4(32, %%mm0, %%mm3, %%mm7, %%mm2)\
\
        "movq 96(%1), %%mm7             \n\t"\
        TRANSPOSE4(%%mm4, %%mm5, %%mm6, %%mm7, %%mm0)\
        "movq %%mm7, %%mm5              \n\t"/*FIXME remove*/\
        "movq %%mm6, %%mm7              \n\t"\
        "movq %%mm0, %%mm6              \n\t"\
\
        LOAD4(64, %%mm0, %%mm1, %%mm2, %%mm3)\
\
        HADAMARD48\
        "movq %%mm7, 64(%1)             \n\t"\
        MMABS(%%mm0, %%mm7)\
        MMABS(%%mm1, %%mm7)\
        MMABS_SUM(%%mm2, %%mm7, %%mm0)\
        MMABS_SUM(%%mm3, %%mm7, %%mm1)\
        MMABS_SUM(%%mm4, %%mm7, %%mm0)\
        MMABS_SUM(%%mm5, %%mm7, %%mm1)\
        MMABS_SUM(%%mm6, %%mm7, %%mm0)\
        "movq 64(%1), %%mm2             \n\t"\
        MMABS_SUM(%%mm2, %%mm7, %%mm1)\
        "paddusw %%mm1, %%mm0           \n\t"\
        "movq %%mm0, 64(%1)             \n\t"\
\
        LOAD4(0 , %%mm0, %%mm1, %%mm2, %%mm3)\
        LOAD4(32, %%mm4, %%mm5, %%mm6, %%mm7)\
\
        HADAMARD48\
        "movq %%mm7, (%1)               \n\t"\
        MMABS(%%mm0, %%mm7)\
        MMABS(%%mm1, %%mm7)\
        MMABS_SUM(%%mm2, %%mm7, %%mm0)\
        MMABS_SUM(%%mm3, %%mm7, %%mm1)\
        MMABS_SUM(%%mm4, %%mm7, %%mm0)\
        MMABS_SUM(%%mm5, %%mm7, %%mm1)\
        MMABS_SUM(%%mm6, %%mm7, %%mm0)\
        "movq (%1), %%mm2               \n\t"\
        MMABS_SUM(%%mm2, %%mm7, %%mm1)\
        "paddusw 64(%1), %%mm0          \n\t"\
        "paddusw %%mm1, %%mm0           \n\t"\
\
        HSUM(%%mm0, %%mm1, %0)\
\
        : "=r" (sum)\
        : "r"(temp)\
    );\
    return sum&0xFFFF;\
}\
WRAPPER8_16_SQ(hadamard8_diff_##cpu, hadamard8_diff16_##cpu)

#define HADAMARD8_DIFF_SSE2(cpu) \
static int hadamard8_diff_##cpu(void *s, uint8_t *src1, uint8_t *src2, int stride, int h){\
    DECLARE_ALIGNED_16(uint64_t, temp[4]);\
    int sum;\
\
    assert(h==8);\
\
    DIFF_PIXELS_8x8(src1, src2, stride, temp[0]);\
\
    asm volatile(\
        HADAMARD8(%%xmm0, %%xmm1, %%xmm2, %%xmm3, %%xmm4, %%xmm5, %%xmm6, %%xmm7)\
        TRANSPOSE8(%%xmm0, %%xmm1, %%xmm2, %%xmm3, %%xmm4, %%xmm5, %%xmm6, %%xmm7, (%1))\
        HADAMARD8(%%xmm0, %%xmm5, %%xmm7, %%xmm3, %%xmm6, %%xmm4, %%xmm2, %%xmm1)\
        MMABS_SUM_8x8\
        HSUM_SSE2(%%xmm0, %%xmm1, %0)\
        : "=r" (sum)\
        : "r"(temp)\
    );\
    return sum&0xFFFF;\
}\
WRAPPER8_16_SQ(hadamard8_diff_##cpu, hadamard8_diff16_##cpu)

#define MMABS(a,z)         MMABS_MMX(a,z)
#define HSUM(a,t,dst)      HSUM_MMX(a,t,dst)
HADAMARD8_DIFF_MMX(mmx)
#undef MMABS
#undef HSUM

#define MMABS(a,z)         MMABS_MMX2(a,z)
#define MMABS_SUM_8x8      MMABS_SUM_8x8_SSE2
#define HSUM(a,t,dst)      HSUM_MMX2(a,t,dst)
HADAMARD8_DIFF_MMX(mmx2)
HADAMARD8_DIFF_SSE2(sse2)
#undef MMABS
#undef MMABS_SUM_8x8
#undef HSUM

#ifdef HAVE_SSSE3
#define MMABS(a,z)         MMABS_SSSE3(a,z)
#define MMABS_SUM_8x8      MMABS_SUM_8x8_NOSPILL
HADAMARD8_DIFF_SSE2(ssse3)
#undef MMABS
#undef MMABS_SUM_8x8
#endif

#define DCT_SAD4(m,mm,o)\
    "mov"#m" "#o"+ 0(%1), "#mm"2      \n\t"\
    "mov"#m" "#o"+16(%1), "#mm"3      \n\t"\
    "mov"#m" "#o"+32(%1), "#mm"4      \n\t"\
    "mov"#m" "#o"+48(%1), "#mm"5      \n\t"\
    MMABS_SUM(mm##2, mm##6, mm##0)\
    MMABS_SUM(mm##3, mm##7, mm##1)\
    MMABS_SUM(mm##4, mm##6, mm##0)\
    MMABS_SUM(mm##5, mm##7, mm##1)\

#define DCT_SAD_MMX\
    "pxor %%mm0, %%mm0                \n\t"\
    "pxor %%mm1, %%mm1                \n\t"\
    DCT_SAD4(q, %%mm, 0)\
    DCT_SAD4(q, %%mm, 8)\
    DCT_SAD4(q, %%mm, 64)\
    DCT_SAD4(q, %%mm, 72)\
    "paddusw %%mm1, %%mm0             \n\t"\
    HSUM(%%mm0, %%mm1, %0)

#define DCT_SAD_SSE2\
    "pxor %%xmm0, %%xmm0              \n\t"\
    "pxor %%xmm1, %%xmm1              \n\t"\
    DCT_SAD4(dqa, %%xmm, 0)\
    DCT_SAD4(dqa, %%xmm, 64)\
    "paddusw %%xmm1, %%xmm0           \n\t"\
    HSUM(%%xmm0, %%xmm1, %0)

#define DCT_SAD_FUNC(cpu) \
static int sum_abs_dctelem_##cpu(DCTELEM *block){\
    int sum;\
    asm volatile(\
        DCT_SAD\
        :"=r"(sum)\
        :"r"(block)\
    );\
    return sum&0xFFFF;\
}

#define DCT_SAD       DCT_SAD_MMX
#define HSUM(a,t,dst) HSUM_MMX(a,t,dst)
#define MMABS(a,z)    MMABS_MMX(a,z)
DCT_SAD_FUNC(mmx)
#undef MMABS
#undef HSUM

#define HSUM(a,t,dst) HSUM_MMX2(a,t,dst)
#define MMABS(a,z)    MMABS_MMX2(a,z)
DCT_SAD_FUNC(mmx2)
#undef HSUM
#undef DCT_SAD

#define DCT_SAD       DCT_SAD_SSE2
#define HSUM(a,t,dst) HSUM_SSE2(a,t,dst)
DCT_SAD_FUNC(sse2)
#undef MMABS

#ifdef HAVE_SSSE3
#define MMABS(a,z)    MMABS_SSSE3(a,z)
DCT_SAD_FUNC(ssse3)
#undef MMABS
#endif
#undef HSUM
#undef DCT_SAD

static int ssd_int8_vs_int16_mmx(const int8_t *pix1, const int16_t *pix2, int size){
    int sum;
    long i=size;
    asm volatile(
        "pxor %%mm4, %%mm4 \n"
        "1: \n"
        "sub $8, %0 \n"
        "movq (%2,%0), %%mm2 \n"
        "movq (%3,%0,2), %%mm0 \n"
        "movq 8(%3,%0,2), %%mm1 \n"
        "punpckhbw %%mm2, %%mm3 \n"
        "punpcklbw %%mm2, %%mm2 \n"
        "psraw $8, %%mm3 \n"
        "psraw $8, %%mm2 \n"
        "psubw %%mm3, %%mm1 \n"
        "psubw %%mm2, %%mm0 \n"
        "pmaddwd %%mm1, %%mm1 \n"
        "pmaddwd %%mm0, %%mm0 \n"
        "paddd %%mm1, %%mm4 \n"
        "paddd %%mm0, %%mm4 \n"
        "jg 1b \n"
        "movq %%mm4, %%mm3 \n"
        "psrlq $32, %%mm3 \n"
        "paddd %%mm3, %%mm4 \n"
        "movd %%mm4, %1 \n"
        :"+r"(i), "=r"(sum)
        :"r"(pix1), "r"(pix2)
    );
    return sum;
}

#endif //CONFIG_ENCODERS

#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_MMX2, OP_3DNOW)\
static void OPNAME ## mpeg4_qpel16_h_lowpass_mmx2(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_MMX2(%%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_MMX2(%%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), "+g"(h)\
        : "d"((long)srcStride), "S"((long)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(temp), "m"(ROUNDER)\
        : "memory"\
    );\
}\
\
static void OPNAME ## mpeg4_qpel16_h_lowpass_3dnow(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h){\
    int i;\
    int16_t temp[16];\
    /* quick HACK, XXX FIXME MUST be optimized */\
    for(i=0; i<h; i++)\
    {\
        temp[ 0]= (src[ 0]+src[ 1])*20 - (src[ 0]+src[ 2])*6 + (src[ 1]+src[ 3])*3 - (src[ 2]+src[ 4]);\
        temp[ 1]= (src[ 1]+src[ 2])*20 - (src[ 0]+src[ 3])*6 + (src[ 0]+src[ 4])*3 - (src[ 1]+src[ 5]);\
        temp[ 2]= (src[ 2]+src[ 3])*20 - (src[ 1]+src[ 4])*6 + (src[ 0]+src[ 5])*3 - (src[ 0]+src[ 6]);\
        temp[ 3]= (src[ 3]+src[ 4])*20 - (src[ 2]+src[ 5])*6 + (src[ 1]+src[ 6])*3 - (src[ 0]+src[ 7]);\
        temp[ 4]= (src[ 4]+src[ 5])*20 - (src[ 3]+src[ 6])*6 + (src[ 2]+src[ 7])*3 - (src[ 1]+src[ 8]);\
        temp[ 5]= (src[ 5]+src[ 6])*20 - (src[ 4]+src[ 7])*6 + (src[ 3]+src[ 8])*3 - (src[ 2]+src[ 9]);\
        temp[ 6]= (src[ 6]+src[ 7])*20 - (src[ 5]+src[ 8])*6 + (src[ 4]+src[ 9])*3 - (src[ 3]+src[10]);\
        temp[ 7]= (src[ 7]+src[ 8])*20 - (src[ 6]+src[ 9])*6 + (src[ 5]+src[10])*3 - (src[ 4]+src[11]);\
        temp[ 8]= (src[ 8]+src[ 9])*20 - (src[ 7]+src[10])*6 + (src[ 6]+src[11])*3 - (src[ 5]+src[12]);\
        temp[ 9]= (src[ 9]+src[10])*20 - (src[ 8]+src[11])*6 + (src[ 7]+src[12])*3 - (src[ 6]+src[13]);\
        temp[10]= (src[10]+src[11])*20 - (src[ 9]+src[12])*6 + (src[ 8]+src[13])*3 - (src[ 7]+src[14]);\
        temp[11]= (src[11]+src[12])*20 - (src[10]+src[13])*6 + (src[ 9]+src[14])*3 - (src[ 8]+src[15]);\
        temp[12]= (src[12]+src[13])*20 - (src[11]+src[14])*6 + (src[10]+src[15])*3 - (src[ 9]+src[16]);\
        temp[13]= (src[13]+src[14])*20 - (src[12]+src[15])*6 + (src[11]+src[16])*3 - (src[10]+src[16]);\
        temp[14]= (src[14]+src[15])*20 - (src[13]+src[16])*6 + (src[12]+src[16])*3 - (src[11]+src[15]);\
        temp[15]= (src[15]+src[16])*20 - (src[14]+src[16])*6 + (src[13]+src[15])*3 - (src[12]+src[14]);\
        asm volatile(\
            "movq (%0), %%mm0               \n\t"\
            "movq 8(%0), %%mm1              \n\t"\
            "paddw %2, %%mm0                \n\t"\
            "paddw %2, %%mm1                \n\t"\
            "psraw $5, %%mm0                \n\t"\
            "psraw $5, %%mm1                \n\t"\
            "packuswb %%mm1, %%mm0          \n\t"\
            OP_3DNOW(%%mm0, (%1), %%mm1, q)\
            "movq 16(%0), %%mm0             \n\t"\
            "movq 24(%0), %%mm1             \n\t"\
            "paddw %2, %%mm0                \n\t"\
            "paddw %2, %%mm1                \n\t"\
            "psraw $5, %%mm0                \n\t"\
            "psraw $5, %%mm1                \n\t"\
            "packuswb %%mm1, %%mm0          \n\t"\
            OP_3DNOW(%%mm0, 8(%1), %%mm1, q)\
            :: "r"(temp), "r"(dst), "m"(ROUNDER)\
            : "memory"\
        );\
        dst+=dstStride;\
        src+=srcStride;\
    }\
}\
\
static void OPNAME ## mpeg4_qpel8_h_lowpass_mmx2(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"\
        /* 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 %6, %%mm1                  \n\t"\
        "paddw %%mm1, %%mm3               \n\t" /* 20a - 6b + 3c - d */\
        "psraw $5, %%mm3                  \n\t"\
        "packuswb %%mm3, %%mm0            \n\t"\
        OP_MMX2(%%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), "+g"(h)\
        : "S"((long)srcStride), "D"((long)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(temp), "m"(ROUNDER)\
        : "memory"\
    );\
}\
\
static void OPNAME ## mpeg4_qpel8_h_lowpass_3dnow(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h){\
    int i;\
    int16_t temp[8];\
    /* quick HACK, XXX FIXME MUST be optimized */\
    for(i=0; i<h; i++)\
    {\
        temp[ 0]= (src[ 0]+src[ 1])*20 - (src[ 0]+src[ 2])*6 + (src[ 1]+src[ 3])*3 - (src[ 2]+src[ 4]);\
        temp[ 1]= (src[ 1]+src[ 2])*20 - (src[ 0]+src[ 3])*6 + (src[ 0]+src[ 4])*3 - (src[ 1]+src[ 5]);\
        temp[ 2]= (src[ 2]+src[ 3])*20 - (src[ 1]+src[ 4])*6 + (src[ 0]+src[ 5])*3 - (src[ 0]+src[ 6]);\
        temp[ 3]= (src[ 3]+src[ 4])*20 - (src[ 2]+src[ 5])*6 + (src[ 1]+src[ 6])*3 - (src[ 0]+src[ 7]);\
        temp[ 4]= (src[ 4]+src[ 5])*20 - (src[ 3]+src[ 6])*6 + (src[ 2]+src[ 7])*3 - (src[ 1]+src[ 8]);\
        temp[ 5]= (src[ 5]+src[ 6])*20 - (src[ 4]+src[ 7])*6 + (src[ 3]+src[ 8])*3 - (src[ 2]+src[ 8]);\
        temp[ 6]= (src[ 6]+src[ 7])*20 - (src[ 5]+src[ 8])*6 + (src[ 4]+src[ 8])*3 - (src[ 3]+src[ 7]);\
        temp[ 7]= (src[ 7]+src[ 8])*20 - (src[ 6]+src[ 8])*6 + (src[ 5]+src[ 7])*3 - (src[ 4]+src[ 6]);\
        asm volatile(\
            "movq (%0), %%mm0           \n\t"\
            "movq 8(%0), %%mm1          \n\t"\
            "paddw %2, %%mm0            \n\t"\
            "paddw %2, %%mm1            \n\t"\
            "psraw $5, %%mm0            \n\t"\
            "psraw $5, %%mm1            \n\t"\
            "packuswb %%mm1, %%mm0      \n\t"\
            OP_3DNOW(%%mm0, (%1), %%mm1, q)\
            :: "r"(temp), "r"(dst), "m"(ROUNDER)\
            :"memory"\
        );\
        dst+=dstStride;\
        src+=srcStride;\
    }\
}

#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" ((long)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"((long)dstStride), "r"(2*(long)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(ROUNDER), "g"(4-14*(long)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" ((long)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"((long)dstStride), "r"(2*(long)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(ROUNDER), "g"(4-6*(long)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_3DNOW_OP(a,b,temp, size) \
"mov" #size " " #b ", " #temp "   \n\t"\
"pavgusb " #temp ", " #a "        \n\t"\
"mov" #size " " #a ", " #b "      \n\t"
#define AVG_MMX2_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, PUT_OP)
QPEL_BASE(avg_       , ff_pw_16, _       , AVG_MMX2_OP, AVG_3DNOW_OP)
QPEL_BASE(put_no_rnd_, ff_pw_15, _no_rnd_, PUT_OP, PUT_OP)
QPEL_OP(put_       , ff_pw_16, _       , PUT_OP, 3dnow)
QPEL_OP(avg_       , ff_pw_16, _       , AVG_3DNOW_OP, 3dnow)
QPEL_OP(put_no_rnd_, ff_pw_15, _no_rnd_, PUT_OP, 3dnow)
QPEL_OP(put_       , ff_pw_16, _       , PUT_OP, mmx2)
QPEL_OP(avg_       , ff_pw_16, _       , AVG_MMX2_OP, mmx2)
QPEL_OP(put_no_rnd_, ff_pw_15, _no_rnd_, PUT_OP, mmx2)

/***********************************/
/* 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, mmx2)
QPEL_2TAP(avg_, 16, mmx2)
QPEL_2TAP(put_,  8, mmx2)
QPEL_2TAP(avg_,  8, mmx2)
QPEL_2TAP(put_, 16, 3dnow)
QPEL_2TAP(avg_, 16, 3dnow)
QPEL_2TAP(put_,  8, 3dnow)
QPEL_2TAP(avg_,  8, 3dnow)


#if 0
static void just_return() { return; }
#endif

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;
    uint8_t edge_buf[(h+1)*stride];
    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 )
    {
        //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;
    if( (unsigned)ix >= width-w ||
        (unsigned)iy >= height-h )
    {
        ff_emulated_edge_mc(edge_buf, src, stride, w+1, h+1, ix, iy, width, height);
        src = edge_buf;
    }

    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;
    }
}

#ifdef CONFIG_ENCODERS

#define PHADDD(a, t)\
    "movq "#a", "#t"                  \n\t"\
    "psrlq $32, "#a"                  \n\t"\
    "paddd "#t", "#a"                 \n\t"
/*
   pmulhw: dst[0-15]=(src[0-15]*dst[0-15])[16-31]
   pmulhrw: dst[0-15]=(src[0-15]*dst[0-15] + 0x8000)[16-31]
   pmulhrsw: dst[0-15]=(src[0-15]*dst[0-15] + 0x4000)[15-30]
 */
#define PMULHRW(x, y, s, o)\
    "pmulhw " #s ", "#x "            \n\t"\
    "pmulhw " #s ", "#y "            \n\t"\
    "paddw " #o ", "#x "             \n\t"\
    "paddw " #o ", "#y "             \n\t"\
    "psraw $1, "#x "                 \n\t"\
    "psraw $1, "#y "                 \n\t"
#define DEF(x) x ## _mmx
#define SET_RND MOVQ_WONE
#define SCALE_OFFSET 1

#include "dsputil_mmx_qns.h"

#undef DEF
#undef SET_RND
#undef SCALE_OFFSET
#undef PMULHRW

#define DEF(x) x ## _3dnow
#define SET_RND(x)
#define SCALE_OFFSET 0
#define PMULHRW(x, y, s, o)\
    "pmulhrw " #s ", "#x "           \n\t"\
    "pmulhrw " #s ", "#y "           \n\t"

#include "dsputil_mmx_qns.h"

#undef DEF
#undef SET_RND
#undef SCALE_OFFSET
#undef PMULHRW

#ifdef HAVE_SSSE3
#undef PHADDD
#define DEF(x) x ## _ssse3
#define SET_RND(x)
#define SCALE_OFFSET -1
#define PHADDD(a, t)\
    "pshufw $0x0E, "#a", "#t"         \n\t"\
    "paddd "#t", "#a"                 \n\t" /* faster than phaddd on core2 */
#define PMULHRW(x, y, s, o)\
    "pmulhrsw " #s ", "#x "          \n\t"\
    "pmulhrsw " #s ", "#y "          \n\t"

#include "dsputil_mmx_qns.h"

#undef DEF
#undef SET_RND
#undef SCALE_OFFSET
#undef PMULHRW
#undef PHADDD
#endif //HAVE_SSSE3

#endif /* CONFIG_ENCODERS */

#define PREFETCH(name, op) \
static void name(void *mem, int stride, int h){\
    const uint8_t *p= mem;\
    do{\
        asm volatile(#op" %0" :: "m"(*p));\
        p+= stride;\
    }while(--h);\
}
PREFETCH(prefetch_mmx2,  prefetcht0)
PREFETCH(prefetch_3dnow, prefetch)
#undef PREFETCH

#include "h264dsp_mmx.c"

/* CAVS specific */
void ff_cavsdsp_init_mmx2(DSPContext* c, AVCodecContext *avctx);

void ff_put_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride) {
    put_pixels8_mmx(dst, src, stride, 8);
}
void ff_avg_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride) {
    avg_pixels8_mmx(dst, src, stride, 8);
}
void ff_put_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride) {
    put_pixels16_mmx(dst, src, stride, 16);
}
void ff_avg_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride) {
    avg_pixels16_mmx(dst, src, stride, 16);
}

/* FLAC specific */
void ff_flac_compute_autocorr_sse2(const int32_t *data, int len, int lag,
                                   double *autoc);

/* VC1 specific */
void ff_vc1dsp_init_mmx(DSPContext* dsp, AVCodecContext *avctx);

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);
}

/* external functions, from idct_mmx.c */
void ff_mmx_idct(DCTELEM *block);
void ff_mmxext_idct(DCTELEM *block);

/* XXX: those functions should be suppressed ASAP when all IDCTs are
   converted */
#ifdef CONFIG_GPL
static void ff_libmpeg2mmx_idct_put(uint8_t *dest, int line_size, DCTELEM *block)
{
    ff_mmx_idct (block);
    put_pixels_clamped_mmx(block, dest, line_size);
}
static void ff_libmpeg2mmx_idct_add(uint8_t *dest, int line_size, DCTELEM *block)
{
    ff_mmx_idct (block);
    add_pixels_clamped_mmx(block, dest, line_size);
}
static void ff_libmpeg2mmx2_idct_put(uint8_t *dest, int line_size, DCTELEM *block)
{
    ff_mmxext_idct (block);
    put_pixels_clamped_mmx(block, dest, line_size);
}
static void ff_libmpeg2mmx2_idct_add(uint8_t *dest, int line_size, DCTELEM *block)
{
    ff_mmxext_idct (block);
    add_pixels_clamped_mmx(block, dest, line_size);
}
#endif
static void ff_idct_xvid_mmx_put(uint8_t *dest, int line_size, DCTELEM *block)
{
    ff_idct_xvid_mmx (block);
    put_pixels_clamped_mmx(block, dest, line_size);
}
static void ff_idct_xvid_mmx_add(uint8_t *dest, int line_size, DCTELEM *block)
{
    ff_idct_xvid_mmx (block);
    add_pixels_clamped_mmx(block, dest, line_size);
}
static void ff_idct_xvid_mmx2_put(uint8_t *dest, int line_size, DCTELEM *block)
{
    ff_idct_xvid_mmx2 (block);
    put_pixels_clamped_mmx(block, dest, line_size);
}
static void ff_idct_xvid_mmx2_add(uint8_t *dest, int line_size, DCTELEM *block)
{
    ff_idct_xvid_mmx2 (block);
    add_pixels_clamped_mmx(block, dest, line_size);
}

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"
        );
    }
}

static void vector_fmul_3dnow(float *dst, const float *src, int len){
    long i = (len-4)*4;
    asm volatile(
        "1: \n\t"
        "movq    (%1,%0), %%mm0 \n\t"
        "movq   8(%1,%0), %%mm1 \n\t"
        "pfmul   (%2,%0), %%mm0 \n\t"
        "pfmul  8(%2,%0), %%mm1 \n\t"
        "movq   %%mm0,  (%1,%0) \n\t"
        "movq   %%mm1, 8(%1,%0) \n\t"
        "sub  $16, %0 \n\t"
        "jge 1b \n\t"
        "femms  \n\t"
        :"+r"(i)
        :"r"(dst), "r"(src)
        :"memory"
    );
}
static void vector_fmul_sse(float *dst, const float *src, int len){
    long i = (len-8)*4;
    asm volatile(
        "1: \n\t"
        "movaps    (%1,%0), %%xmm0 \n\t"
        "movaps  16(%1,%0), %%xmm1 \n\t"
        "mulps     (%2,%0), %%xmm0 \n\t"
        "mulps   16(%2,%0), %%xmm1 \n\t"
        "movaps  %%xmm0,   (%1,%0) \n\t"
        "movaps  %%xmm1, 16(%1,%0) \n\t"
        "sub  $32, %0 \n\t"
        "jge 1b \n\t"
        :"+r"(i)
        :"r"(dst), "r"(src)
        :"memory"
    );
}

static void vector_fmul_reverse_3dnow2(float *dst, const float *src0, const float *src1, int len){
    long i = len*4-16;
    asm volatile(
        "1: \n\t"
        "pswapd   8(%1), %%mm0 \n\t"
        "pswapd    (%1), %%mm1 \n\t"
        "pfmul  (%3,%0), %%mm0 \n\t"
        "pfmul 8(%3,%0), %%mm1 \n\t"
        "movq  %%mm0,  (%2,%0) \n\t"
        "movq  %%mm1, 8(%2,%0) \n\t"
        "add   $16, %1 \n\t"
        "sub   $16, %0 \n\t"
        "jge   1b \n\t"
        :"+r"(i), "+r"(src1)
        :"r"(dst), "r"(src0)
    );
    asm volatile("femms");
}
static void vector_fmul_reverse_sse(float *dst, const float *src0, const float *src1, int len){
    long i = len*4-32;
    asm volatile(
        "1: \n\t"
        "movaps        16(%1), %%xmm0 \n\t"
        "movaps          (%1), %%xmm1 \n\t"
        "shufps $0x1b, %%xmm0, %%xmm0 \n\t"
        "shufps $0x1b, %%xmm1, %%xmm1 \n\t"
        "mulps        (%3,%0), %%xmm0 \n\t"
        "mulps      16(%3,%0), %%xmm1 \n\t"
        "movaps     %%xmm0,   (%2,%0) \n\t"
        "movaps     %%xmm1, 16(%2,%0) \n\t"
        "add    $32, %1 \n\t"
        "sub    $32, %0 \n\t"
        "jge    1b \n\t"
        :"+r"(i), "+r"(src1)
        :"r"(dst), "r"(src0)
    );
}

static void vector_fmul_add_add_3dnow(float *dst, const float *src0, const float *src1,
                                      const float *src2, int src3, int len, int step){
    long i = (len-4)*4;
    if(step == 2 && src3 == 0){
        dst += (len-4)*2;
        asm volatile(
            "1: \n\t"
            "movq   (%2,%0),  %%mm0 \n\t"
            "movq  8(%2,%0),  %%mm1 \n\t"
            "pfmul  (%3,%0),  %%mm0 \n\t"
            "pfmul 8(%3,%0),  %%mm1 \n\t"
            "pfadd  (%4,%0),  %%mm0 \n\t"
            "pfadd 8(%4,%0),  %%mm1 \n\t"
            "movd     %%mm0,   (%1) \n\t"
            "movd     %%mm1, 16(%1) \n\t"
            "psrlq      $32,  %%mm0 \n\t"
            "psrlq      $32,  %%mm1 \n\t"
            "movd     %%mm0,  8(%1) \n\t"
            "movd     %%mm1, 24(%1) \n\t"
            "sub  $32, %1 \n\t"
            "sub  $16, %0 \n\t"
            "jge  1b \n\t"
            :"+r"(i), "+r"(dst)
            :"r"(src0), "r"(src1), "r"(src2)
            :"memory"
        );
    }
    else if(step == 1 && src3 == 0){
        asm volatile(
            "1: \n\t"
            "movq    (%2,%0), %%mm0 \n\t"
            "movq   8(%2,%0), %%mm1 \n\t"
            "pfmul   (%3,%0), %%mm0 \n\t"
            "pfmul  8(%3,%0), %%mm1 \n\t"
            "pfadd   (%4,%0), %%mm0 \n\t"
            "pfadd  8(%4,%0), %%mm1 \n\t"
            "movq  %%mm0,   (%1,%0) \n\t"
            "movq  %%mm1,  8(%1,%0) \n\t"
            "sub  $16, %0 \n\t"
            "jge  1b \n\t"
            :"+r"(i)
            :"r"(dst), "r"(src0), "r"(src1), "r"(src2)
            :"memory"
        );
    }
    else
        ff_vector_fmul_add_add_c(dst, src0, src1, src2, src3, len, step);
    asm volatile("femms");
}
static void vector_fmul_add_add_sse(float *dst, const float *src0, const float *src1,
                                    const float *src2, int src3, int len, int step){
    long i = (len-8)*4;
    if(step == 2 && src3 == 0){
        dst += (len-8)*2;
        asm volatile(
            "1: \n\t"
            "movaps   (%2,%0), %%xmm0 \n\t"
            "movaps 16(%2,%0), %%xmm1 \n\t"
            "mulps    (%3,%0), %%xmm0 \n\t"
            "mulps  16(%3,%0), %%xmm1 \n\t"
            "addps    (%4,%0), %%xmm0 \n\t"
            "addps  16(%4,%0), %%xmm1 \n\t"
            "movss     %%xmm0,   (%1) \n\t"
            "movss     %%xmm1, 32(%1) \n\t"
            "movhlps   %%xmm0, %%xmm2 \n\t"
            "movhlps   %%xmm1, %%xmm3 \n\t"
            "movss     %%xmm2, 16(%1) \n\t"
            "movss     %%xmm3, 48(%1) \n\t"
            "shufps $0xb1, %%xmm0, %%xmm0 \n\t"
            "shufps $0xb1, %%xmm1, %%xmm1 \n\t"
            "movss     %%xmm0,  8(%1) \n\t"
            "movss     %%xmm1, 40(%1) \n\t"
            "movhlps   %%xmm0, %%xmm2 \n\t"
            "movhlps   %%xmm1, %%xmm3 \n\t"
            "movss     %%xmm2, 24(%1) \n\t"
            "movss     %%xmm3, 56(%1) \n\t"
            "sub  $64, %1 \n\t"
            "sub  $32, %0 \n\t"
            "jge  1b \n\t"
            :"+r"(i), "+r"(dst)
            :"r"(src0), "r"(src1), "r"(src2)
            :"memory"
        );
    }
    else if(step == 1 && src3 == 0){
        asm volatile(
            "1: \n\t"
            "movaps   (%2,%0), %%xmm0 \n\t"
            "movaps 16(%2,%0), %%xmm1 \n\t"
            "mulps    (%3,%0), %%xmm0 \n\t"
            "mulps  16(%3,%0), %%xmm1 \n\t"
            "addps    (%4,%0), %%xmm0 \n\t"
            "addps  16(%4,%0), %%xmm1 \n\t"
            "movaps %%xmm0,   (%1,%0) \n\t"
            "movaps %%xmm1, 16(%1,%0) \n\t"
            "sub  $32, %0 \n\t"
            "jge  1b \n\t"
            :"+r"(i)
            :"r"(dst), "r"(src0), "r"(src1), "r"(src2)
            :"memory"
        );
    }
    else
        ff_vector_fmul_add_add_c(dst, src0, src1, src2, src3, len, step);
}

static void float_to_int16_3dnow(int16_t *dst, const float *src, int len){
    // not bit-exact: pf2id uses different rounding than C and SSE
    int i;
    for(i=0; i<len; i+=4) {
        asm volatile(
            "pf2id       %1, %%mm0 \n\t"
            "pf2id       %2, %%mm1 \n\t"
            "packssdw %%mm1, %%mm0 \n\t"
            "movq     %%mm0, %0    \n\t"
            :"=m"(dst[i])
            :"m"(src[i]), "m"(src[i+2])
        );
    }
    asm volatile("femms");
}
static void float_to_int16_sse(int16_t *dst, const float *src, int len){
    int i;
    for(i=0; i<len; i+=4) {
        asm volatile(
            "cvtps2pi    %1, %%mm0 \n\t"
            "cvtps2pi    %2, %%mm1 \n\t"
            "packssdw %%mm1, %%mm0 \n\t"
            "movq     %%mm0, %0    \n\t"
            :"=m"(dst[i])
            :"m"(src[i]), "m"(src[i+2])
        );
    }
    asm volatile("emms");
}

extern void ff_snow_horizontal_compose97i_sse2(IDWTELEM *b, int width);
extern void ff_snow_horizontal_compose97i_mmx(IDWTELEM *b, int width);
extern void ff_snow_vertical_compose97i_sse2(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width);
extern void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width);
extern void ff_snow_inner_add_yblock_sse2(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
                           int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8);
extern void ff_snow_inner_add_yblock_mmx(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
                          int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8);

void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
{
    mm_flags = mm_support();

    if (avctx->dsp_mask) {
        if (avctx->dsp_mask & FF_MM_FORCE)
            mm_flags |= (avctx->dsp_mask & 0xffff);
        else
            mm_flags &= ~(avctx->dsp_mask & 0xffff);
    }

#if 0
    av_log(avctx, AV_LOG_INFO, "libavcodec: CPU flags:");
    if (mm_flags & MM_MMX)
        av_log(avctx, AV_LOG_INFO, " mmx");
    if (mm_flags & MM_MMXEXT)
        av_log(avctx, AV_LOG_INFO, " mmxext");
    if (mm_flags & MM_3DNOW)
        av_log(avctx, AV_LOG_INFO, " 3dnow");
    if (mm_flags & MM_SSE)
        av_log(avctx, AV_LOG_INFO, " sse");
    if (mm_flags & MM_SSE2)
        av_log(avctx, AV_LOG_INFO, " sse2");
    av_log(avctx, AV_LOG_INFO, "\n");
#endif

    if (mm_flags & MM_MMX) {
        const int idct_algo= avctx->idct_algo;

#ifdef CONFIG_ENCODERS
        const int dct_algo = avctx->dct_algo;
        if(dct_algo==FF_DCT_AUTO || dct_algo==FF_DCT_MMX){
            if(mm_flags & MM_SSE2){
                c->fdct = ff_fdct_sse2;
            }else if(mm_flags & MM_MMXEXT){
                c->fdct = ff_fdct_mmx2;
            }else{
                c->fdct = ff_fdct_mmx;
            }
        }
#endif //CONFIG_ENCODERS
        if(avctx->lowres==0){
            if(idct_algo==FF_IDCT_AUTO || idct_algo==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;
#ifdef CONFIG_GPL
            }else if(idct_algo==FF_IDCT_LIBMPEG2MMX){
                if(mm_flags & MM_MMXEXT){
                    c->idct_put= ff_libmpeg2mmx2_idct_put;
                    c->idct_add= ff_libmpeg2mmx2_idct_add;
                    c->idct    = ff_mmxext_idct;
                }else{
                    c->idct_put= ff_libmpeg2mmx_idct_put;
                    c->idct_add= ff_libmpeg2mmx_idct_add;
                    c->idct    = ff_mmx_idct;
                }
                c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
#endif
            }else if((ENABLE_VP3_DECODER || ENABLE_VP5_DECODER || ENABLE_VP6_DECODER) &&
                     idct_algo==FF_IDCT_VP3 &&
                     avctx->codec->id!=CODEC_ID_THEORA &&
                     !(avctx->flags & CODEC_FLAG_BITEXACT)){
                if(mm_flags & MM_SSE2){
                    c->idct_put= ff_vp3_idct_put_sse2;
                    c->idct_add= ff_vp3_idct_add_sse2;
                    c->idct    = ff_vp3_idct_sse2;
                    c->idct_permutation_type= FF_TRANSPOSE_IDCT_PERM;
                }else{
                    ff_vp3_dsp_init_mmx();
                    c->idct_put= ff_vp3_idct_put_mmx;
                    c->idct_add= ff_vp3_idct_add_mmx;
                    c->idct    = ff_vp3_idct_mmx;
                    c->idct_permutation_type= FF_PARTTRANS_IDCT_PERM;
                }
            }else if(idct_algo==FF_IDCT_CAVS){
                    c->idct_permutation_type= FF_TRANSPOSE_IDCT_PERM;
            }else if(idct_algo==FF_IDCT_XVIDMMX){
                if(mm_flags & MM_MMXEXT){
                    c->idct_put= ff_idct_xvid_mmx2_put;
                    c->idct_add= ff_idct_xvid_mmx2_add;
                    c->idct    = ff_idct_xvid_mmx2;
                }else{
                    c->idct_put= ff_idct_xvid_mmx_put;
                    c->idct_add= ff_idct_xvid_mmx_add;
                    c->idct    = ff_idct_xvid_mmx;
                }
            }
        }

#ifdef CONFIG_ENCODERS
        c->get_pixels = get_pixels_mmx;
        c->diff_pixels = diff_pixels_mmx;
#endif //CONFIG_ENCODERS
        c->put_pixels_clamped = put_pixels_clamped_mmx;
        c->put_signed_pixels_clamped = put_signed_pixels_clamped_mmx;
        c->add_pixels_clamped = add_pixels_clamped_mmx;
        c->clear_blocks = clear_blocks_mmx;
#ifdef CONFIG_ENCODERS
        c->pix_sum = pix_sum16_mmx;
#endif //CONFIG_ENCODERS

#define SET_HPEL_FUNCS(PFX, IDX, SIZE, CPU) \
        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

        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);

        c->gmc= gmc_mmx;

        c->add_bytes= add_bytes_mmx;
#ifdef CONFIG_ENCODERS
        c->diff_bytes= diff_bytes_mmx;
        c->sum_abs_dctelem= sum_abs_dctelem_mmx;

        c->hadamard8_diff[0]= hadamard8_diff16_mmx;
        c->hadamard8_diff[1]= hadamard8_diff_mmx;

        c->pix_norm1 = pix_norm1_mmx;
        c->sse[0] = (mm_flags & MM_SSE2) ? sse16_sse2 : sse16_mmx;
          c->sse[1] = sse8_mmx;
        c->vsad[4]= vsad_intra16_mmx;

        c->nsse[0] = nsse16_mmx;
        c->nsse[1] = nsse8_mmx;
        if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
            c->vsad[0] = vsad16_mmx;
        }

        if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
            c->try_8x8basis= try_8x8basis_mmx;
        }
        c->add_8x8basis= add_8x8basis_mmx;

        c->ssd_int8_vs_int16 = ssd_int8_vs_int16_mmx;

#endif //CONFIG_ENCODERS

        if (ENABLE_ANY_H263) {
            c->h263_v_loop_filter= h263_v_loop_filter_mmx;
            c->h263_h_loop_filter= h263_h_loop_filter_mmx;
        }
        c->put_h264_chroma_pixels_tab[0]= put_h264_chroma_mc8_mmx_rnd;
        c->put_h264_chroma_pixels_tab[1]= put_h264_chroma_mc4_mmx;
        c->put_no_rnd_h264_chroma_pixels_tab[0]= put_h264_chroma_mc8_mmx_nornd;

        c->h264_idct_dc_add=
        c->h264_idct_add= ff_h264_idct_add_mmx;
        c->h264_idct8_dc_add=
        c->h264_idct8_add= ff_h264_idct8_add_mmx;
        if (mm_flags & MM_SSE2)
            c->h264_idct8_add= ff_h264_idct8_add_sse2;

        if (mm_flags & MM_MMXEXT) {
            c->prefetch = prefetch_mmx2;

            c->put_pixels_tab[0][1] = put_pixels16_x2_mmx2;
            c->put_pixels_tab[0][2] = put_pixels16_y2_mmx2;

            c->avg_pixels_tab[0][0] = avg_pixels16_mmx2;
            c->avg_pixels_tab[0][1] = avg_pixels16_x2_mmx2;
            c->avg_pixels_tab[0][2] = avg_pixels16_y2_mmx2;

            c->put_pixels_tab[1][1] = put_pixels8_x2_mmx2;
            c->put_pixels_tab[1][2] = put_pixels8_y2_mmx2;

            c->avg_pixels_tab[1][0] = avg_pixels8_mmx2;
            c->avg_pixels_tab[1][1] = avg_pixels8_x2_mmx2;
            c->avg_pixels_tab[1][2] = avg_pixels8_y2_mmx2;

#ifdef CONFIG_ENCODERS
            c->sum_abs_dctelem= sum_abs_dctelem_mmx2;
            c->hadamard8_diff[0]= hadamard8_diff16_mmx2;
            c->hadamard8_diff[1]= hadamard8_diff_mmx2;
            c->vsad[4]= vsad_intra16_mmx2;
#endif //CONFIG_ENCODERS

            c->h264_idct_dc_add= ff_h264_idct_dc_add_mmx2;
            c->h264_idct8_dc_add= ff_h264_idct8_dc_add_mmx2;

            if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
                c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_mmx2;
                c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_mmx2;
                c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_mmx2;
                c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_mmx2;
                c->avg_pixels_tab[0][3] = avg_pixels16_xy2_mmx2;
                c->avg_pixels_tab[1][3] = avg_pixels8_xy2_mmx2;
#ifdef CONFIG_ENCODERS
                c->vsad[0] = vsad16_mmx2;
#endif //CONFIG_ENCODERS
            }

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

            SET_QPEL_FUNCS(put_qpel, 0, 16, mmx2);
            SET_QPEL_FUNCS(put_qpel, 1, 8, mmx2);
            SET_QPEL_FUNCS(put_no_rnd_qpel, 0, 16, mmx2);
            SET_QPEL_FUNCS(put_no_rnd_qpel, 1, 8, mmx2);
            SET_QPEL_FUNCS(avg_qpel, 0, 16, mmx2);
            SET_QPEL_FUNCS(avg_qpel, 1, 8, mmx2);

            SET_QPEL_FUNCS(put_h264_qpel, 0, 16, mmx2);
            SET_QPEL_FUNCS(put_h264_qpel, 1, 8, mmx2);
            SET_QPEL_FUNCS(put_h264_qpel, 2, 4, mmx2);
            SET_QPEL_FUNCS(avg_h264_qpel, 0, 16, mmx2);
            SET_QPEL_FUNCS(avg_h264_qpel, 1, 8, mmx2);
            SET_QPEL_FUNCS(avg_h264_qpel, 2, 4, mmx2);

            SET_QPEL_FUNCS(put_2tap_qpel, 0, 16, mmx2);
            SET_QPEL_FUNCS(put_2tap_qpel, 1, 8, mmx2);
            SET_QPEL_FUNCS(avg_2tap_qpel, 0, 16, mmx2);
            SET_QPEL_FUNCS(avg_2tap_qpel, 1, 8, mmx2);

            c->avg_h264_chroma_pixels_tab[0]= avg_h264_chroma_mc8_mmx2_rnd;
            c->avg_h264_chroma_pixels_tab[1]= avg_h264_chroma_mc4_mmx2;
            c->avg_h264_chroma_pixels_tab[2]= avg_h264_chroma_mc2_mmx2;
            c->put_h264_chroma_pixels_tab[2]= put_h264_chroma_mc2_mmx2;
            c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_mmx2;
            c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_mmx2;
            c->h264_v_loop_filter_chroma= h264_v_loop_filter_chroma_mmx2;
            c->h264_h_loop_filter_chroma= h264_h_loop_filter_chroma_mmx2;
            c->h264_v_loop_filter_chroma_intra= h264_v_loop_filter_chroma_intra_mmx2;
            c->h264_h_loop_filter_chroma_intra= h264_h_loop_filter_chroma_intra_mmx2;
            c->h264_loop_filter_strength= h264_loop_filter_strength_mmx2;

            c->weight_h264_pixels_tab[0]= ff_h264_weight_16x16_mmx2;
            c->weight_h264_pixels_tab[1]= ff_h264_weight_16x8_mmx2;
            c->weight_h264_pixels_tab[2]= ff_h264_weight_8x16_mmx2;
            c->weight_h264_pixels_tab[3]= ff_h264_weight_8x8_mmx2;
            c->weight_h264_pixels_tab[4]= ff_h264_weight_8x4_mmx2;
            c->weight_h264_pixels_tab[5]= ff_h264_weight_4x8_mmx2;
            c->weight_h264_pixels_tab[6]= ff_h264_weight_4x4_mmx2;
            c->weight_h264_pixels_tab[7]= ff_h264_weight_4x2_mmx2;

            c->biweight_h264_pixels_tab[0]= ff_h264_biweight_16x16_mmx2;
            c->biweight_h264_pixels_tab[1]= ff_h264_biweight_16x8_mmx2;
            c->biweight_h264_pixels_tab[2]= ff_h264_biweight_8x16_mmx2;
            c->biweight_h264_pixels_tab[3]= ff_h264_biweight_8x8_mmx2;
            c->biweight_h264_pixels_tab[4]= ff_h264_biweight_8x4_mmx2;
            c->biweight_h264_pixels_tab[5]= ff_h264_biweight_4x8_mmx2;
            c->biweight_h264_pixels_tab[6]= ff_h264_biweight_4x4_mmx2;
            c->biweight_h264_pixels_tab[7]= ff_h264_biweight_4x2_mmx2;

            if (ENABLE_CAVS_DECODER)
                ff_cavsdsp_init_mmx2(c, avctx);

            if (ENABLE_VC1_DECODER || ENABLE_WMV3_DECODER)
                ff_vc1dsp_init_mmx(c, avctx);

#ifdef CONFIG_ENCODERS
            c->sub_hfyu_median_prediction= sub_hfyu_median_prediction_mmx2;
#endif //CONFIG_ENCODERS
        } else if (mm_flags & MM_3DNOW) {
            c->prefetch = prefetch_3dnow;

            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;
            }

            SET_QPEL_FUNCS(put_qpel, 0, 16, 3dnow);
            SET_QPEL_FUNCS(put_qpel, 1, 8, 3dnow);
            SET_QPEL_FUNCS(put_no_rnd_qpel, 0, 16, 3dnow);
            SET_QPEL_FUNCS(put_no_rnd_qpel, 1, 8, 3dnow);
            SET_QPEL_FUNCS(avg_qpel, 0, 16, 3dnow);
            SET_QPEL_FUNCS(avg_qpel, 1, 8, 3dnow);

            SET_QPEL_FUNCS(put_h264_qpel, 0, 16, 3dnow);
            SET_QPEL_FUNCS(put_h264_qpel, 1, 8, 3dnow);
            SET_QPEL_FUNCS(put_h264_qpel, 2, 4, 3dnow);
            SET_QPEL_FUNCS(avg_h264_qpel, 0, 16, 3dnow);
            SET_QPEL_FUNCS(avg_h264_qpel, 1, 8, 3dnow);
            SET_QPEL_FUNCS(avg_h264_qpel, 2, 4, 3dnow);

            SET_QPEL_FUNCS(put_2tap_qpel, 0, 16, 3dnow);
            SET_QPEL_FUNCS(put_2tap_qpel, 1, 8, 3dnow);
            SET_QPEL_FUNCS(avg_2tap_qpel, 0, 16, 3dnow);
            SET_QPEL_FUNCS(avg_2tap_qpel, 1, 8, 3dnow);

            c->avg_h264_chroma_pixels_tab[0]= avg_h264_chroma_mc8_3dnow_rnd;
            c->avg_h264_chroma_pixels_tab[1]= avg_h264_chroma_mc4_3dnow;
        }


#define H264_QPEL_FUNCS(x, y, CPU)\
            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;
        if((mm_flags & MM_SSE2) && !(mm_flags & MM_3DNOW)){
            // these functions are slower than mmx on AMD, but faster on Intel
/* FIXME works in most codecs, but crashes svq1 due to unaligned chroma
            c->put_pixels_tab[0][0] = put_pixels16_sse2;
            c->avg_pixels_tab[0][0] = avg_pixels16_sse2;
*/
            H264_QPEL_FUNCS(0, 0, sse2);
        }
        if(mm_flags & MM_SSE2){
            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);
        }
#ifdef HAVE_SSSE3
        if(mm_flags & MM_SSSE3){
            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);
        }
#endif

#ifdef CONFIG_ENCODERS
        if(mm_flags & MM_SSE2){
            c->sum_abs_dctelem= sum_abs_dctelem_sse2;
            c->hadamard8_diff[0]= hadamard8_diff16_sse2;
            c->hadamard8_diff[1]= hadamard8_diff_sse2;
            if (ENABLE_FLAC_ENCODER)
                c->flac_compute_autocorr = ff_flac_compute_autocorr_sse2;
        }

#ifdef HAVE_SSSE3
        if(mm_flags & MM_SSSE3){
            if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
                c->try_8x8basis= try_8x8basis_ssse3;
            }
            c->add_8x8basis= add_8x8basis_ssse3;
            c->sum_abs_dctelem= sum_abs_dctelem_ssse3;
            c->hadamard8_diff[0]= hadamard8_diff16_ssse3;
            c->hadamard8_diff[1]= hadamard8_diff_ssse3;
        }
#endif
#endif

#ifdef CONFIG_SNOW_DECODER
        if(mm_flags & MM_SSE2 & 0){
            c->horizontal_compose97i = ff_snow_horizontal_compose97i_sse2;
#ifdef HAVE_7REGS
            c->vertical_compose97i = ff_snow_vertical_compose97i_sse2;
#endif
            c->inner_add_yblock = ff_snow_inner_add_yblock_sse2;
        }
        else{
            if(mm_flags & MM_MMXEXT){
            c->horizontal_compose97i = ff_snow_horizontal_compose97i_mmx;
#ifdef HAVE_7REGS
            c->vertical_compose97i = ff_snow_vertical_compose97i_mmx;
#endif
            }
            c->inner_add_yblock = ff_snow_inner_add_yblock_mmx;
        }
#endif

        if(mm_flags & MM_3DNOW){
#ifdef CONFIG_ENCODERS
            if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
                c->try_8x8basis= try_8x8basis_3dnow;
            }
            c->add_8x8basis= add_8x8basis_3dnow;
#endif //CONFIG_ENCODERS
            c->vorbis_inverse_coupling = vorbis_inverse_coupling_3dnow;
            c->vector_fmul = vector_fmul_3dnow;
            if(!(avctx->flags & CODEC_FLAG_BITEXACT))
                c->float_to_int16 = float_to_int16_3dnow;
        }
        if(mm_flags & MM_3DNOWEXT)
            c->vector_fmul_reverse = vector_fmul_reverse_3dnow2;
        if(mm_flags & MM_SSE){
            c->vorbis_inverse_coupling = vorbis_inverse_coupling_sse;
            c->vector_fmul = vector_fmul_sse;
            c->float_to_int16 = float_to_int16_sse;
            c->vector_fmul_reverse = vector_fmul_reverse_sse;
            c->vector_fmul_add_add = vector_fmul_add_add_sse;
        }
        if(mm_flags & MM_3DNOW)
            c->vector_fmul_add_add = vector_fmul_add_add_3dnow; // faster than sse
    }

#ifdef CONFIG_ENCODERS
    dsputil_init_pix_mmx(c, avctx);
#endif //CONFIG_ENCODERS
#if 0
    // for speed testing
    get_pixels = just_return;
    put_pixels_clamped = just_return;
    add_pixels_clamped = just_return;

    pix_abs16x16 = just_return;
    pix_abs16x16_x2 = just_return;
    pix_abs16x16_y2 = just_return;
    pix_abs16x16_xy2 = just_return;

    put_pixels_tab[0] = just_return;
    put_pixels_tab[1] = just_return;
    put_pixels_tab[2] = just_return;
    put_pixels_tab[3] = just_return;

    put_no_rnd_pixels_tab[0] = just_return;
    put_no_rnd_pixels_tab[1] = just_return;
    put_no_rnd_pixels_tab[2] = just_return;
    put_no_rnd_pixels_tab[3] = just_return;

    avg_pixels_tab[0] = just_return;
    avg_pixels_tab[1] = just_return;
    avg_pixels_tab[2] = just_return;
    avg_pixels_tab[3] = just_return;

    avg_no_rnd_pixels_tab[0] = just_return;
    avg_no_rnd_pixels_tab[1] = just_return;
    avg_no_rnd_pixels_tab[2] = just_return;
    avg_no_rnd_pixels_tab[3] = just_return;

    //av_fdct = just_return;
    //ff_idct = just_return;
#endif
}
