#include "../dsputil.h"
#include "../mpegvideo.h"
#include "../avcodec.h"
#include <ipp.h>

static void dct_unquantize_h263_intra_iwmmxt(MpegEncContext *s,
					     DCTELEM *block, int n, int qscale)
{
    int level, qmul, qadd;
    int nCoeffs;
    DCTELEM *block_orig = block;

    assert(s->block_last_index[n]>=0);

    qmul = qscale << 1;

    if (!s->h263_aic) {
	if (n < 4)
	    level = block[0] * s->y_dc_scale;
	else
	    level = block[0] * s->c_dc_scale;
	qadd = (qscale - 1) | 1;
    }else{
	qadd = 0;
	level = block[0];
    }
    if(s->ac_pred)
	nCoeffs=63;
    else
	nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];

    __asm__ __volatile__ (
/* 	"movd %1, %%mm6			\n\t" //qmul */
/* 	"packssdw %%mm6, %%mm6		\n\t" */
/* 	"packssdw %%mm6, %%mm6		\n\t" */
	"tbcsth wr6, %[qmul]		\n\t"
/* 	"movd %2, %%mm5			\n\t" //qadd */
/* 	"packssdw %%mm5, %%mm5		\n\t" */
/* 	"packssdw %%mm5, %%mm5		\n\t" */
	"tbcsth wr5, %[qadd]		\n\t"
	"wzero wr7			\n\t" /* "pxor %%mm7, %%mm7		\n\t" */
	"wzero wr4			\n\t" /* "pxor %%mm4, %%mm4		\n\t" */
	"wsubh wr7, wr5, wr7		\n\t" /* "psubw %%mm5, %%mm7		\n\t" */
	"1:				\n\t"
	"wldrd wr2, [%[block]]		\n\t" /* "movq (%0, %3), %%mm0		\n\t" */
	"wldrd wr3, [%[block], #8]	\n\t" /* "movq 8(%0, %3), %%mm1		\n\t" */
	"wmulsl wr0, wr6, wr2		\n\t" /* "pmullw %%mm6, %%mm0		\n\t" */
	"wmulsl wr1, wr6, wr3		\n\t" /* "pmullw %%mm6, %%mm1		\n\t" */
/* 	"movq (%0, %3), %%mm2		\n\t" */
/* 	"movq 8(%0, %3), %%mm3		\n\t" */
	"wcmpgtsh wr2, wr4, wr2		\n\t" /* "pcmpgtw %%mm4, %%mm2		\n\t" // block[i] < 0 ? -1 : 0 */
	"wcmpgtsh wr3, wr4, wr2		\n\t" /* "pcmpgtw %%mm4, %%mm3		\n\t" // block[i] < 0 ? -1 : 0 */
	"wxor wr0, wr2, wr0		\n\t" /* "pxor %%mm2, %%mm0		\n\t" */
	"wxor wr1, wr3, wr1		\n\t" /* "pxor %%mm3, %%mm1		\n\t" */
	"waddh wr0, wr7, wr0		\n\t" /* "paddw %%mm7, %%mm0		\n\t" */
	"waddh wr1, wr7, wr1		\n\t" /* "paddw %%mm7, %%mm1		\n\t" */
	"wxor wr2, wr0, wr2		\n\t" /* "pxor %%mm0, %%mm2		\n\t" */
	"wxor wr3, wr1, wr3		\n\t" /* "pxor %%mm1, %%mm3		\n\t" */
	"wcmpeqh wr0, wr7, wr0		\n\t" /* "pcmpeqw %%mm7, %%mm0		\n\t" // block[i] == 0 ? -1 : 0 */
	"wcmpeqh wr1, wr7, wr1		\n\t" /* "pcmpeqw %%mm7, %%mm1		\n\t" // block[i] == 0 ? -1 : 0 */
	"wandn wr0, wr2, wr0		\n\t" /* "pandn %%mm2, %%mm0		\n\t" */
	"wandn wr1, wr3, wr1		\n\t" /* "pandn %%mm3, %%mm1		\n\t" */
	"wstrd wr0, [%[block]]		\n\t" /* "movq %%mm0, (%0, %3)		\n\t" */
	"wstrd wr1, [%[block], #8]	\n\t" /* "movq %%mm1, 8(%0, %3)		\n\t" */
	"add %[block], %[block], #16	\n\t" /* "addl $16, %3			\n\t" */
	"subs %[i], %[i], #1		\n\t"
	"bne 1b				\n\t" /* "jng 1b				\n\t" */
	:[block]"+r"(block)
	:[i]"r"((nCoeffs + 8) / 8), [qmul]"r"(qmul), [qadd]"r"(qadd)
	:"memory");

    block_orig[0] = level;
}

#if 0
static void dct_unquantize_h263_inter_iwmmxt(MpegEncContext *s,
					     DCTELEM *block, int n, int qscale)
{
    int nCoeffs;

    assert(s->block_last_index[n]>=0);

    if(s->ac_pred)
	nCoeffs=63;
    else
	nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];

    ippiQuantInvInter_Compact_H263_16s_I(block, nCoeffs+1, qscale);
}
#endif

void MPV_common_init_iwmmxt(MpegEncContext *s)
{
    s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_iwmmxt;
#if 0
    s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_iwmmxt;
#endif
}
