FFmpeg/libavcodec/i386/dsputil_mmx.c

/*
 * MMX optimized DSP utils
 * Copyright (c) 2000, 2001 Fabrice Bellard.
 *
 * This library 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 of the License, or (at your option) any later version.
 *
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
 */

#include "../dsputil.h"
#include "../simple_idct.h"

extern const uint8_t ff_h263_loop_filter_strength[32];

int mm_flags; /* multimedia extension flags */

/* pixel operations */
static const uint64_t mm_bone __attribute__ ((aligned(8))) = 0x0101010101010101ULL;
static const uint64_t mm_wone __attribute__ ((aligned(8))) = 0x0001000100010001ULL;
static const uint64_t mm_wtwo __attribute__ ((aligned(8))) = 0x0002000200020002ULL;

static const uint64_t ff_pw_20 __attribute__ ((aligned(8))) = 0x0014001400140014ULL;
static const uint64_t ff_pw_3  __attribute__ ((aligned(8))) = 0x0003000300030003ULL;
static const uint64_t ff_pw_16 __attribute__ ((aligned(8))) = 0x0010001000100010ULL;
static const uint64_t ff_pw_15 __attribute__ ((aligned(8))) = 0x000F000F000F000FULL;

static const uint64_t ff_pb_FC __attribute__ ((aligned(8))) = 0xFCFCFCFCFCFCFCFCULL;

#define JUMPALIGN() __asm __volatile (".balign 8"::)
#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"(mm_bone))
#define MOVQ_WTWO(regd)  __asm __volatile ("movq %0, %%" #regd " \n\t" ::"m"(mm_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
/* for Athlons PAVGUSB is prefered */
#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

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

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

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"
        "movl $-128, %%eax	\n\t"
        ".balign 16		\n\t"
        "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, %%eax)\n\t"
        "movq %%mm1, 8(%2, %%eax)\n\t"
        "addl %3, %0		\n\t"
        "addl %3, %1		\n\t"
        "addl $16, %%eax	\n\t"
        "jnz 1b			\n\t"
        : "+r" (s1), "+r" (s2)
        : "r" (block+64), "r" (stride)
        : "%eax"
    );
}
#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" (line_size), "r" (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" (line_size), "r" (line_size*3), "r"(p)
	    :"memory");
}

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_pixels8_mmx(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
    __asm __volatile(
	 "lea (%3, %3), %%eax		\n\t"
	 ".balign 8			\n\t"
	 "1:				\n\t"
	 "movq (%1), %%mm0		\n\t"
	 "movq (%1, %3), %%mm1		\n\t"
     	 "movq %%mm0, (%2)		\n\t"
	 "movq %%mm1, (%2, %3)		\n\t"
	 "addl %%eax, %1		\n\t"
         "addl %%eax, %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"
	 "addl %%eax, %1		\n\t"
	 "addl %%eax, %2       		\n\t"
	 "subl $4, %0			\n\t"
	 "jnz 1b			\n\t"
	 : "+g"(h), "+r" (pixels),  "+r" (block)
	 : "r"(line_size)
	 : "%eax", "memory"
	);
}

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

static void clear_blocks_mmx(DCTELEM *blocks)
{
    __asm __volatile(
                "pxor %%mm7, %%mm7		\n\t"
                "movl $-128*6, %%eax		\n\t"
                "1:				\n\t"
                "movq %%mm7, (%0, %%eax)	\n\t"
                "movq %%mm7, 8(%0, %%eax)	\n\t"
                "movq %%mm7, 16(%0, %%eax)	\n\t"
                "movq %%mm7, 24(%0, %%eax)	\n\t"
                "addl $32, %%eax		\n\t"
                " js 1b				\n\t"
                : : "r" (((int)blocks)+128*6)
                : "%eax"
        );
}

#ifdef CONFIG_ENCODERS
static int pix_sum16_mmx(uint8_t * pix, int line_size){
    const int h=16;
    int sum;
    int 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"
                "addl %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" (line_size)
        );

        return sum;
}
#endif //CONFIG_ENCODERS

static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){
    int 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"
        "addl $16, %0			\n\t"
        "cmpl %3, %0			\n\t"
        " jb 1b				\n\t"
        : "+r" (i)
        : "r"(src), "r"(dst), "r"(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){
    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){
    const int strength= ff_h263_loop_filter_strength[qscale];
    uint64_t temp[4] __attribute__ ((aligned(8)));
    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, %1			\n\t"
        "movd %%mm3, %2			\n\t"
        "punpckhdq %%mm3, %%mm3		\n\t"
        "movd %%mm3, %3			\n\t"
        "movd %%mm1, %4			\n\t"
        "punpckhdq %%mm1, %%mm1		\n\t"
        "movd %%mm1, %5			\n\t"
        "movd %%mm6, %6			\n\t"
        "punpckhdq %%mm6, %%mm6		\n\t"
        "movd %%mm6, %7			\n\t"
        : "=m" (*(uint32_t*)(src + 0*stride)),
          "=m" (*(uint32_t*)(src + 1*stride)),
          "=m" (*(uint32_t*)(src + 2*stride)),
          "=m" (*(uint32_t*)(src + 3*stride)),
          "=m" (*(uint32_t*)(src + 4*stride)),
          "=m" (*(uint32_t*)(src + 5*stride)),
          "=m" (*(uint32_t*)(src + 6*stride)),
          "=m" (*(uint32_t*)(src + 7*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"

      "addl %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" (line_size) : "%ecx" );
    return tmp;
}

static int sse16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size) {
    int tmp;
  asm volatile (
      "movl $16,%%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: substract 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"

      "addl %3,%0\n"
      "addl %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" (line_size) : "%ecx");
    return tmp;
}

static void diff_bytes_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
    int 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"
        "addl $16, %0			\n\t"
        "cmpl %4, %0			\n\t"
        " jb 1b				\n\t"
        : "+r" (i)
        : "r"(src1), "r"(src2), "r"(dst), "r"(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){
    int 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"
        "addl $8, %0			\n\t"
        "cmpl %4, %0			\n\t"
        " jb 1b				\n\t"
        : "+r" (i)
        : "r"(src1), "r"(src2), "r"(dst), "r"(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 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 HADAMARD48\
        LBUTTERFLY2(%%mm0, %%mm1, %%mm2, %%mm3)\
        LBUTTERFLY2(%%mm4, %%mm5, %%mm6, %%mm7)\
        LBUTTERFLY2(%%mm0, %%mm2, %%mm1, %%mm3)\
        LBUTTERFLY2(%%mm4, %%mm6, %%mm5, %%mm7)\
        LBUTTERFLY2(%%mm0, %%mm4, %%mm1, %%mm5)\
        LBUTTERFLY2(%%mm2, %%mm6, %%mm3, %%mm7)\

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

#define MMABS_SUM(a,z, sum)\
    "pxor " #z ", " #z "		\n\t"\
    "pcmpgtw " #a ", " #z "		\n\t"\
    "pxor " #z ", " #a "		\n\t"\
    "psubw " #z ", " #a "		\n\t"\
    "paddusw " #a ", " #sum "		\n\t"

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

#define MMABS_SUM_MMX2(a,z, sum)\
    "pxor " #z ", " #z "		\n\t"\
    "psubw " #a ", " #z "		\n\t"\
    "pmaxsw " #z ", " #a "		\n\t"\
    "paddusw " #a ", " #sum "		\n\t"
        
#define SBUTTERFLY(a,b,t,n)\
    "movq " #a ", " #t "		\n\t" /* abcd */\
    "punpckl" #n " " #b ", " #a "	\n\t" /* aebf */\
    "punpckh" #n " " #b ", " #t "	\n\t" /* cgdh */\

#define TRANSPOSE4(a,b,c,d,t)\
    SBUTTERFLY(a,b,t,wd) /* a=aebf t=cgdh */\
    SBUTTERFLY(c,d,b,wd) /* c=imjn b=kolp */\
    SBUTTERFLY(a,c,d,dq) /* a=aeim d=bfjn */\
    SBUTTERFLY(t,b,c,dq) /* t=cgko c=dhlp */

#define LOAD4(o, a, b, c, d)\
        "movq "#o"(%1), " #a "		\n\t"\
        "movq "#o"+16(%1), " #b "	\n\t"\
        "movq "#o"+32(%1), " #c "	\n\t"\
        "movq "#o"+48(%1), " #d "	\n\t"

#define STORE4(o, a, b, c, d)\
        "movq "#a", "#o"(%1)		\n\t"\
        "movq "#b", "#o"+16(%1)		\n\t"\
        "movq "#c", "#o"+32(%1)		\n\t"\
        "movq "#d", "#o"+48(%1)		\n\t"\

static int hadamard8_diff_mmx(void *s, uint8_t *src1, uint8_t *src2, int stride){
    uint64_t temp[16] __align8;
    int sum=0;

    diff_pixels_mmx((DCTELEM*)temp, src1, src2, stride);

    asm volatile(
        LOAD4(0 , %%mm0, %%mm1, %%mm2, %%mm3)
        LOAD4(64, %%mm4, %%mm5, %%mm6, %%mm7)
        
        HADAMARD48
        
        "movq %%mm7, 112(%1)		\n\t"
        
        TRANSPOSE4(%%mm0, %%mm1, %%mm2, %%mm3, %%mm7)
        STORE4(0 , %%mm0, %%mm3, %%mm7, %%mm2)
        
        "movq 112(%1), %%mm7 		\n\t"
        TRANSPOSE4(%%mm4, %%mm5, %%mm6, %%mm7, %%mm0)
        STORE4(64, %%mm4, %%mm7, %%mm0, %%mm6)

        LOAD4(8 , %%mm0, %%mm1, %%mm2, %%mm3)
        LOAD4(72, %%mm4, %%mm5, %%mm6, %%mm7)
        
        HADAMARD48
        
        "movq %%mm7, 120(%1)		\n\t"
        
        TRANSPOSE4(%%mm0, %%mm1, %%mm2, %%mm3, %%mm7)
        STORE4(8 , %%mm0, %%mm3, %%mm7, %%mm2)
        
        "movq 120(%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"
//        STORE4(72, %%mm4, %%mm7, %%mm0, %%mm6) //FIXME remove
        
        LOAD4(64, %%mm0, %%mm1, %%mm2, %%mm3)
//        LOAD4(72, %%mm4, %%mm5, %%mm6, %%mm7)
        
        HADAMARD48
        "movq %%mm7, 64(%1)		\n\t"
        MMABS(%%mm0, %%mm7)
        MMABS_SUM(%%mm1, %%mm7, %%mm0)
        MMABS_SUM(%%mm2, %%mm7, %%mm0)
        MMABS_SUM(%%mm3, %%mm7, %%mm0)
        MMABS_SUM(%%mm4, %%mm7, %%mm0)
        MMABS_SUM(%%mm5, %%mm7, %%mm0)
        MMABS_SUM(%%mm6, %%mm7, %%mm0)
        "movq 64(%1), %%mm1		\n\t"
        MMABS_SUM(%%mm1, %%mm7, %%mm0)
        "movq %%mm0, 64(%1)		\n\t"
        
        LOAD4(0 , %%mm0, %%mm1, %%mm2, %%mm3)
        LOAD4(8 , %%mm4, %%mm5, %%mm6, %%mm7)
        
        HADAMARD48
        "movq %%mm7, (%1)		\n\t"
        MMABS(%%mm0, %%mm7)
        MMABS_SUM(%%mm1, %%mm7, %%mm0)
        MMABS_SUM(%%mm2, %%mm7, %%mm0)
        MMABS_SUM(%%mm3, %%mm7, %%mm0)
        MMABS_SUM(%%mm4, %%mm7, %%mm0)
        MMABS_SUM(%%mm5, %%mm7, %%mm0)
        MMABS_SUM(%%mm6, %%mm7, %%mm0)
        "movq (%1), %%mm1		\n\t"
        MMABS_SUM(%%mm1, %%mm7, %%mm0)
        "movq 64(%1), %%mm1		\n\t"
        MMABS_SUM(%%mm1, %%mm7, %%mm0)
        
        "movq %%mm0, %%mm1		\n\t"
        "psrlq $32, %%mm0		\n\t"
        "paddusw %%mm1, %%mm0		\n\t"
        "movq %%mm0, %%mm1		\n\t"
        "psrlq $16, %%mm0		\n\t"
        "paddusw %%mm1, %%mm0		\n\t"
        "movd %%mm0, %0			\n\t"
                
        : "=r" (sum)
        : "r"(temp)
    );
    return sum&0xFFFF;
}

static int hadamard8_diff_mmx2(void *s, uint8_t *src1, uint8_t *src2, int stride){
    uint64_t temp[16] __align8;
    int sum=0;

    diff_pixels_mmx((DCTELEM*)temp, src1, src2, stride);

    asm volatile(
        LOAD4(0 , %%mm0, %%mm1, %%mm2, %%mm3)
        LOAD4(64, %%mm4, %%mm5, %%mm6, %%mm7)
        
        HADAMARD48
        
        "movq %%mm7, 112(%1)		\n\t"
        
        TRANSPOSE4(%%mm0, %%mm1, %%mm2, %%mm3, %%mm7)
        STORE4(0 , %%mm0, %%mm3, %%mm7, %%mm2)
        
        "movq 112(%1), %%mm7 		\n\t"
        TRANSPOSE4(%%mm4, %%mm5, %%mm6, %%mm7, %%mm0)
        STORE4(64, %%mm4, %%mm7, %%mm0, %%mm6)

        LOAD4(8 , %%mm0, %%mm1, %%mm2, %%mm3)
        LOAD4(72, %%mm4, %%mm5, %%mm6, %%mm7)
        
        HADAMARD48
        
        "movq %%mm7, 120(%1)		\n\t"
        
        TRANSPOSE4(%%mm0, %%mm1, %%mm2, %%mm3, %%mm7)
        STORE4(8 , %%mm0, %%mm3, %%mm7, %%mm2)
        
        "movq 120(%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"
//        STORE4(72, %%mm4, %%mm7, %%mm0, %%mm6) //FIXME remove
        
        LOAD4(64, %%mm0, %%mm1, %%mm2, %%mm3)
//        LOAD4(72, %%mm4, %%mm5, %%mm6, %%mm7)
        
        HADAMARD48
        "movq %%mm7, 64(%1)		\n\t"
        MMABS_MMX2(%%mm0, %%mm7)
        MMABS_SUM_MMX2(%%mm1, %%mm7, %%mm0)
        MMABS_SUM_MMX2(%%mm2, %%mm7, %%mm0)
        MMABS_SUM_MMX2(%%mm3, %%mm7, %%mm0)
        MMABS_SUM_MMX2(%%mm4, %%mm7, %%mm0)
        MMABS_SUM_MMX2(%%mm5, %%mm7, %%mm0)
        MMABS_SUM_MMX2(%%mm6, %%mm7, %%mm0)
        "movq 64(%1), %%mm1		\n\t"
        MMABS_SUM_MMX2(%%mm1, %%mm7, %%mm0)
        "movq %%mm0, 64(%1)		\n\t"
        
        LOAD4(0 , %%mm0, %%mm1, %%mm2, %%mm3)
        LOAD4(8 , %%mm4, %%mm5, %%mm6, %%mm7)
        
        HADAMARD48
        "movq %%mm7, (%1)		\n\t"
        MMABS_MMX2(%%mm0, %%mm7)
        MMABS_SUM_MMX2(%%mm1, %%mm7, %%mm0)
        MMABS_SUM_MMX2(%%mm2, %%mm7, %%mm0)
        MMABS_SUM_MMX2(%%mm3, %%mm7, %%mm0)
        MMABS_SUM_MMX2(%%mm4, %%mm7, %%mm0)
        MMABS_SUM_MMX2(%%mm5, %%mm7, %%mm0)
        MMABS_SUM_MMX2(%%mm6, %%mm7, %%mm0)
        "movq (%1), %%mm1		\n\t"
        MMABS_SUM_MMX2(%%mm1, %%mm7, %%mm0)
        "movq 64(%1), %%mm1		\n\t"
        MMABS_SUM_MMX2(%%mm1, %%mm7, %%mm0)
        
        "movq %%mm0, %%mm1		\n\t"
        "psrlq $32, %%mm0		\n\t"
        "paddusw %%mm1, %%mm0		\n\t"
        "movq %%mm0, %%mm1		\n\t"
        "psrlq $16, %%mm0		\n\t"
        "paddusw %%mm1, %%mm0		\n\t"
        "movd %%mm0, %0			\n\t"
                
        : "=r" (sum)
        : "r"(temp)
    );
    return sum&0xFFFF;
}


WARPER88_1616(hadamard8_diff_mmx, hadamard8_diff16_mmx)
WARPER88_1616(hadamard8_diff_mmx2, hadamard8_diff16_mmx2)
#endif //CONFIG_ENCODERS

#define put_no_rnd_pixels8_mmx(a,b,c,d) put_pixels8_mmx(a,b,c,d)
#define put_no_rnd_pixels16_mmx(a,b,c,d) put_pixels16_mmx(a,b,c,d)

#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)\
        \
        "addl %3, %0			\n\t"\
        "addl %4, %1			\n\t"\
        "decl %2			\n\t"\
        " jnz 1b				\n\t"\
        : "+a"(src), "+c"(dst), "+m"(h)\
        : "d"(srcStride), "S"(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)\
        \
        "addl %3, %0			\n\t"\
        "addl %4, %1			\n\t"\
        "decl %2			\n\t"\
        " jnz 1b			\n\t"\
        : "+a"(src), "+c"(dst), "+m"(h)\
        : "S"(srcStride), "D"(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"\
        "addl $8, %1			\n\t"\
        "addl %3, %0			\n\t"\
        "decl %2			\n\t"\
        " jnz 1b			\n\t"\
        : "+r" (src), "+r" (temp_ptr), "+r"(count)\
        : "r" (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)\
        "addl %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)\
        "addl %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)\
        "addl %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)\
        "addl %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)\
        "addl %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)\
        "addl %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)\
        "addl %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)\
        \
        "addl $136, %0			\n\t"\
        "addl %6, %1			\n\t"\
        "decl %2			\n\t"\
        " jnz 1b			\n\t"\
        \
        : "+r"(temp_ptr), "+r"(dst), "+g"(count)\
        : "r"(dstStride), "r"(2*dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(ROUNDER), "g"(4-14*dstStride)\
        :"memory"\
    );\
}\
\
static void OPNAME ## mpeg4_qpel8_v_lowpass_ ## MMX(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
    uint64_t temp[9*4];\
    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"\
        "addl $8, %1			\n\t"\
        "addl %3, %0			\n\t"\
        "decl %2			\n\t"\
        " jnz 1b			\n\t"\
        : "+r" (src), "+r" (temp_ptr), "+r"(count)\
        : "r" (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)\
        "addl %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)\
        "addl %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)\
        "addl %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)\
                \
        "addl $72, %0			\n\t"\
        "addl %6, %1			\n\t"\
        "decl %2			\n\t"\
        " jnz 1b			\n\t"\
         \
        : "+r"(temp_ptr), "+r"(dst), "+g"(count)\
        : "r"(dstStride), "r"(2*dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(ROUNDER), "g"(4-6*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)

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

#define SET_QPEL_FUNC(postfix1, postfix2) \
    c->put_ ## postfix1 = put_ ## postfix2;\
    c->put_no_rnd_ ## postfix1 = put_no_rnd_ ## postfix2;\
    c->avg_ ## postfix1 = avg_ ## postfix2;

/* 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 */
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);
}
    
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
    fprintf(stderr, "libavcodec: CPU flags:");
    if (mm_flags & MM_MMX)
        fprintf(stderr, " mmx");
    if (mm_flags & MM_MMXEXT)
        fprintf(stderr, " mmxext");
    if (mm_flags & MM_3DNOW)
        fprintf(stderr, " 3dnow");
    if (mm_flags & MM_SSE)
        fprintf(stderr, " sse");
    if (mm_flags & MM_SSE2)
        fprintf(stderr, " sse2");
    fprintf(stderr, "\n");
#endif

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

#ifdef CONFIG_ENCODERS
        if(dct_algo==FF_DCT_AUTO || dct_algo==FF_DCT_MMX){
            if(mm_flags & MM_MMXEXT){
                c->fdct = ff_fdct_mmx2;
            }else{
                c->fdct = ff_fdct_mmx;
            }
        }
#endif //CONFIG_ENCODERS

        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;
        }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;
        }
        
#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->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

        c->put_pixels_tab[0][0] = put_pixels16_mmx;
        c->put_pixels_tab[0][1] = put_pixels16_x2_mmx;
        c->put_pixels_tab[0][2] = put_pixels16_y2_mmx;
        c->put_pixels_tab[0][3] = put_pixels16_xy2_mmx;

        c->put_no_rnd_pixels_tab[0][0] = put_pixels16_mmx;
        c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_mmx;
        c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_mmx;
        c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_mmx;

        c->avg_pixels_tab[0][0] = avg_pixels16_mmx;
        c->avg_pixels_tab[0][1] = avg_pixels16_x2_mmx;
        c->avg_pixels_tab[0][2] = avg_pixels16_y2_mmx;
        c->avg_pixels_tab[0][3] = avg_pixels16_xy2_mmx;

        c->avg_no_rnd_pixels_tab[0][0] = avg_no_rnd_pixels16_mmx;
        c->avg_no_rnd_pixels_tab[0][1] = avg_no_rnd_pixels16_x2_mmx;
        c->avg_no_rnd_pixels_tab[0][2] = avg_no_rnd_pixels16_y2_mmx;
        c->avg_no_rnd_pixels_tab[0][3] = avg_no_rnd_pixels16_xy2_mmx;

        c->put_pixels_tab[1][0] = put_pixels8_mmx;
        c->put_pixels_tab[1][1] = put_pixels8_x2_mmx;
        c->put_pixels_tab[1][2] = put_pixels8_y2_mmx;
        c->put_pixels_tab[1][3] = put_pixels8_xy2_mmx;

        c->put_no_rnd_pixels_tab[1][0] = put_pixels8_mmx;
        c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_mmx;
        c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_mmx;
        c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_mmx;

        c->avg_pixels_tab[1][0] = avg_pixels8_mmx;
        c->avg_pixels_tab[1][1] = avg_pixels8_x2_mmx;
        c->avg_pixels_tab[1][2] = avg_pixels8_y2_mmx;
        c->avg_pixels_tab[1][3] = avg_pixels8_xy2_mmx;

        c->avg_no_rnd_pixels_tab[1][0] = avg_no_rnd_pixels8_mmx;
        c->avg_no_rnd_pixels_tab[1][1] = avg_no_rnd_pixels8_x2_mmx;
        c->avg_no_rnd_pixels_tab[1][2] = avg_no_rnd_pixels8_y2_mmx;
        c->avg_no_rnd_pixels_tab[1][3] = avg_no_rnd_pixels8_xy2_mmx;
                
        c->add_bytes= add_bytes_mmx;
#ifdef CONFIG_ENCODERS
        c->diff_bytes= diff_bytes_mmx;
        
        c->hadamard8_diff[0]= hadamard8_diff16_mmx;
        c->hadamard8_diff[1]= hadamard8_diff_mmx;
        
	c->pix_norm1 = pix_norm1_mmx;
	c->sse[0] = sse16_mmx;
#endif //CONFIG_ENCODERS

        c->h263_v_loop_filter= h263_v_loop_filter_mmx;
        c->h263_h_loop_filter= h263_h_loop_filter_mmx;
        
        if (mm_flags & MM_MMXEXT) {
            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->hadamard8_diff[0]= hadamard8_diff16_mmx2;
            c->hadamard8_diff[1]= hadamard8_diff_mmx2;
#endif //CONFIG_ENCODERS

            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;
            }

#if 1
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 0], qpel16_mc00_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 1], qpel16_mc10_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 2], qpel16_mc20_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 3], qpel16_mc30_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 4], qpel16_mc01_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 5], qpel16_mc11_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 6], qpel16_mc21_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 7], qpel16_mc31_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 8], qpel16_mc02_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 9], qpel16_mc12_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][10], qpel16_mc22_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][11], qpel16_mc32_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][12], qpel16_mc03_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][13], qpel16_mc13_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][14], qpel16_mc23_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[0][15], qpel16_mc33_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 0], qpel8_mc00_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 1], qpel8_mc10_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 2], qpel8_mc20_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 3], qpel8_mc30_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 4], qpel8_mc01_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 5], qpel8_mc11_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 6], qpel8_mc21_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 7], qpel8_mc31_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 8], qpel8_mc02_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 9], qpel8_mc12_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][10], qpel8_mc22_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][11], qpel8_mc32_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][12], qpel8_mc03_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][13], qpel8_mc13_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][14], qpel8_mc23_mmx2)
            SET_QPEL_FUNC(qpel_pixels_tab[1][15], qpel8_mc33_mmx2)
#endif

            c->sub_hfyu_median_prediction= sub_hfyu_median_prediction_mmx2;
        } else if (mm_flags & MM_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_FUNC(qpel_pixels_tab[0][ 0], qpel16_mc00_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 1], qpel16_mc10_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 2], qpel16_mc20_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 3], qpel16_mc30_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 4], qpel16_mc01_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 5], qpel16_mc11_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 6], qpel16_mc21_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 7], qpel16_mc31_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 8], qpel16_mc02_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][ 9], qpel16_mc12_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][10], qpel16_mc22_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][11], qpel16_mc32_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][12], qpel16_mc03_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][13], qpel16_mc13_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][14], qpel16_mc23_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[0][15], qpel16_mc33_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 0], qpel8_mc00_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 1], qpel8_mc10_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 2], qpel8_mc20_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 3], qpel8_mc30_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 4], qpel8_mc01_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 5], qpel8_mc11_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 6], qpel8_mc21_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 7], qpel8_mc31_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 8], qpel8_mc02_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][ 9], qpel8_mc12_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][10], qpel8_mc22_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][11], qpel8_mc32_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][12], qpel8_mc03_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][13], qpel8_mc13_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][14], qpel8_mc23_3dnow)
            SET_QPEL_FUNC(qpel_pixels_tab[1][15], qpel8_mc33_3dnow)
        }
    }
        
#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
}