/*

 * LIBOIL - Library of Optimized Inner Loops

 * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,

 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING

 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 */

//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <liboil/liboilfunction.h>

OIL_DECLARE_CLASS (err_intra8x8_u8);

OIL_DECLARE_CLASS (err_inter8x8_u8);

OIL_DECLARE_CLASS (err_inter8x8_u8_avg);

static void

err_intra8x8_u8_mmx (uint32_t *dest, uint8_t *src1, int ss1)

{

#if !defined(__WINSCW__) && !defined(__WINS__)      

  uint32_t  xsum;

  uint32_t  xxsum;

  __asm__ __volatile__ (

    "  pxor        %%mm5, %%mm5     \n\t"

    "  pxor        %%mm6, %%mm6     \n\t"

    "  pxor        %%mm7, %%mm7     \n\t"

    "  mov         $8, %%edi        \n\t"

    "1:                             \n\t"

    "  movq        (%2), %%mm0      \n\t"	/* take 8 bytes */

    "  movq        %%mm0, %%mm2     \n\t"

    "  punpcklbw   %%mm6, %%mm0     \n\t"

    "  punpckhbw   %%mm6, %%mm2     \n\t"

    "  paddw       %%mm0, %%mm5     \n\t"

    "  paddw       %%mm2, %%mm5     \n\t"

    "  pmaddwd     %%mm0, %%mm0     \n\t"

    "  pmaddwd     %%mm2, %%mm2     \n\t"

    "  paddd       %%mm0, %%mm7     \n\t"

    "  paddd       %%mm2, %%mm7     \n\t"

    "  add         %3, %2           \n\t"	/* Inc pointer into src data */

    "  dec         %%edi            \n\t"

    "  jnz 1b                       \n\t"

    "  movq        %%mm5, %%mm0     \n\t"

    "  psrlq       $32, %%mm5       \n\t"

    "  paddw       %%mm0, %%mm5     \n\t"

    "  movq        %%mm5, %%mm0     \n\t"

    "  psrlq       $16, %%mm5       \n\t"

    "  paddw       %%mm0, %%mm5     \n\t"

    "  movd        %%mm5, %%edi     \n\t"

    "  movswl       %%di, %%edi      \n\t"

    "  movl        %%edi, %0        \n\t"

    "  movq        %%mm7, %%mm0     \n\t"

    "  psrlq       $32, %%mm7       \n\t"

    "  paddd       %%mm0, %%mm7     \n\t"

    "  movd        %%mm7, %1        \n\t"

    "  emms                         \n\t"

     : "=r" (xsum),

       "=r" (xxsum),

       "+r" (src1) 

     : "r" (ss1)

     : "edi", "memory"

  );

  /* Compute population variance as mis-match metric. */

  *dest = (((xxsum<<6) - xsum*xsum)); 

#endif

}

OIL_DEFINE_IMPL_FULL (err_intra8x8_u8_mmx, err_intra8x8_u8, OIL_IMPL_FLAG_MMX);

static void

err_inter8x8_u8_mmx (uint32_t *dest, uint8_t *src1, int ss1, uint8_t *src2, int ss2)

{

  uint32_t  xsum;

  uint32_t  xxsum;

#if !defined(__WINSCW__) && !defined(__WINS__)      

  __asm__ __volatile__ (

    "  pxor        %%mm5, %%mm5     \n\t"

    "  pxor        %%mm6, %%mm6     \n\t"

    "  pxor        %%mm7, %%mm7     \n\t"

    "  mov         $8, %%edi        \n\t"

    "1:                             \n\t"

    "  movq        (%2), %%mm0      \n\t"	/* take 8 bytes */

    "  movq        (%3), %%mm1      \n\t"

    "  movq        %%mm0, %%mm2     \n\t"

    "  movq        %%mm1, %%mm3     \n\t"

    "  punpcklbw   %%mm6, %%mm0     \n\t"

    "  punpcklbw   %%mm6, %%mm1     \n\t"

    "  punpckhbw   %%mm6, %%mm2     \n\t"

    "  punpckhbw   %%mm6, %%mm3     \n\t"

    "  psubsw      %%mm1, %%mm0     \n\t"

    "  psubsw      %%mm3, %%mm2     \n\t"

    "  paddw       %%mm0, %%mm5     \n\t"

    "  paddw       %%mm2, %%mm5     \n\t"

    "  pmaddwd     %%mm0, %%mm0     \n\t"

    "  pmaddwd     %%mm2, %%mm2     \n\t"

    "  paddd       %%mm0, %%mm7     \n\t"

    "  paddd       %%mm2, %%mm7     \n\t"

    "  add         %4, %2           \n\t"	/* Inc pointer into src data */

    "  add         %5, %3           \n\t"	/* Inc pointer into ref data */

    "  dec         %%edi            \n\t"

    "  jnz 1b                       \n\t"

    "  movq        %%mm5, %%mm0     \n\t"

    "  psrlq       $32, %%mm5       \n\t"

    "  paddw       %%mm0, %%mm5     \n\t"

    "  movq        %%mm5, %%mm0     \n\t"

    "  psrlq       $16, %%mm5       \n\t"

    "  paddw       %%mm0, %%mm5     \n\t"

    "  movd        %%mm5, %%edi     \n\t"

    "  movswl       %%di, %%edi      \n\t"

    "  movl        %%edi, %0        \n\t"

    "  movq        %%mm7, %%mm0     \n\t"

    "  psrlq       $32, %%mm7       \n\t"

    "  paddd       %%mm0, %%mm7     \n\t"

    "  movd        %%mm7, %1        \n\t"

    "  emms                         \n\t"

     : "=m" (xsum),

       "=m" (xxsum),

       "+r" (src1), 

       "+r" (src2) 

     : "m" (ss1),

       "m" (ss2)

     : "edi", "memory"

  );

  /* Compute and return population variance as mis-match metric. */

  *dest = (((xxsum<<6) - xsum*xsum));

#endif

}

OIL_DEFINE_IMPL_FULL (err_inter8x8_u8_mmx, err_inter8x8_u8, OIL_IMPL_FLAG_MMX);

static void

err_inter8x8_u8_avg_mmx (uint32_t *dest, uint8_t *src1, int ss1, uint8_t *src2, uint8_t *src3, int ss2)

{

#if !defined(__WINSCW__) && !defined(__WINS__)      

  uint32_t xsum;

  uint32_t xxsum;

  __asm__ __volatile__ (

    "  pcmpeqd     %%mm4, %%mm4     \n\t"	/* fefefefefefefefe in mm4 */

    "  paddb       %%mm4, %%mm4     \n\t"

    "  pxor        %%mm5, %%mm5     \n\t"

    "  pxor        %%mm6, %%mm6     \n\t"

    "  pxor        %%mm7, %%mm7     \n\t"

    "  mov         $8, %%edi        \n\t"

    "1:                             \n\t"

    "  movq        (%2), %%mm0      \n\t"	/* take 8 bytes */

    "  movq        (%3), %%mm2      \n\t"

    "  movq        (%4), %%mm3      \n\t"	/* take average of mm2 and mm3 */

    "  movq        %%mm2, %%mm1     \n\t"

    "  pand        %%mm3, %%mm1     \n\t"

    "  pxor        %%mm2, %%mm3     \n\t"

    "  pand        %%mm4, %%mm3     \n\t"

    "  psrlq       $1, %%mm3        \n\t"

    "  paddb       %%mm3, %%mm1     \n\t"

    "  movq        %%mm0, %%mm2     \n\t"

    "  movq        %%mm1, %%mm3     \n\t"

    "  punpcklbw   %%mm6, %%mm0     \n\t"

    "  punpcklbw   %%mm6, %%mm1     \n\t"

    "  punpckhbw   %%mm6, %%mm2     \n\t"

    "  punpckhbw   %%mm6, %%mm3     \n\t"

    "  psubsw      %%mm1, %%mm0     \n\t"

    "  psubsw      %%mm3, %%mm2     \n\t"

    "  paddw       %%mm0, %%mm5     \n\t"

    "  paddw       %%mm2, %%mm5     \n\t"

    "  pmaddwd     %%mm0, %%mm0     \n\t"

    "  pmaddwd     %%mm2, %%mm2     \n\t"

    "  paddd       %%mm0, %%mm7     \n\t"

    "  paddd       %%mm2, %%mm7     \n\t"

    "  add         %5, %2           \n\t"	/* Inc pointer into src data */

    "  add         %6, %3           \n\t"	/* Inc pointer into ref data */

    "  add         %6, %4           \n\t"	/* Inc pointer into ref data */

    "  dec         %%edi            \n\t"

    "  jnz 1b                       \n\t"

    "  movq        %%mm5, %%mm0     \n\t"

    "  psrlq       $32, %%mm5       \n\t"

    "  paddw       %%mm0, %%mm5     \n\t"

    "  movq        %%mm5, %%mm0     \n\t"

    "  psrlq       $16, %%mm5       \n\t"

    "  paddw       %%mm0, %%mm5     \n\t"

    "  movd        %%mm5, %%edi     \n\t"

    "  movswl       %%di, %%edi      \n\t"

    "  movl        %%edi, %0        \n\t"

    "  movq        %%mm7, %%mm0     \n\t"

    "  psrlq       $32, %%mm7       \n\t"

    "  paddd       %%mm0, %%mm7     \n\t"

    "  movd        %%mm7, %1        \n\t"

    "  emms                         \n\t"

     : "=m" (xsum),

       "=m" (xxsum),

       "+r" (src1), 

       "+r" (src2),

       "+r" (src3) 

     : "m" (ss1),

       "m" (ss2)

     : "edi", "memory"

  );

  /* Compute and return population variance as mis-match metric. */

  *dest = (((xxsum<<6) - xsum*xsum));

#endif

}

OIL_DEFINE_IMPL_FULL (err_inter8x8_u8_avg_mmx, err_inter8x8_u8_avg, OIL_IMPL_FLAG_MMX);

#ifdef ENABLE_BROKEN_IMPLS

static void

err_inter8x8_u8_avg_mmxext (uint32_t *dest, uint8_t *src1, int ss1, uint8_t *src2, uint8_t *src3, int ss2)

{

  uint32_t xsum;

  uint32_t xxsum;

  __asm__ __volatile__ (

    "  pxor        %%mm4, %%mm4     \n\t"

    "  pxor        %%mm5, %%mm5     \n\t"

    "  mov $0x01010101, %%edi \n\t"

    "  movd %%edi, %%mm6 \n\t"

    "  punpcklbw %%mm6, %%mm6 \n\t"

    "  pxor        %%mm7, %%mm7     \n\t"

    "  mov         $8, %%edi        \n\t"

    "1:                             \n\t"

    "  movq        (%2), %%mm0      \n\t"	/* take 8 bytes */

    "  movq        (%3), %%mm2      \n\t"

    "  movq        (%4), %%mm1      \n\t"	/* take average of mm2 and mm1 */

    "  movq        %%mm1, %%mm3     \n\t"

    "  pavgb       %%mm2, %%mm1     \n\t"

    "  pxor        %%mm2, %%mm3     \n\t"

    "  pand        %%mm6, %%mm3     \n\t"

    "  psubb       %%mm3, %%mm1     \n\t"

    "  movq        %%mm0, %%mm2     \n\t"

    "  movq        %%mm1, %%mm3     \n\t"

    "  punpcklbw   %%mm4, %%mm0     \n\t"

    "  punpcklbw   %%mm4, %%mm1     \n\t"

    "  punpckhbw   %%mm4, %%mm2     \n\t"

    "  punpckhbw   %%mm4, %%mm3     \n\t"

    "  psubsw      %%mm1, %%mm0     \n\t"

    "  psubsw      %%mm3, %%mm2     \n\t"

    "  paddw       %%mm0, %%mm5     \n\t"

    "  paddw       %%mm2, %%mm5     \n\t"

    "  pmaddwd     %%mm0, %%mm0     \n\t"

    "  pmaddwd     %%mm2, %%mm2     \n\t"

    "  paddd       %%mm0, %%mm7     \n\t"

    "  paddd       %%mm2, %%mm7     \n\t"

    "  add         %5, %2           \n\t"	/* Inc pointer into src data */

    "  add         %6, %3           \n\t"	/* Inc pointer into ref data */

    "  add         %6, %4           \n\t"	/* Inc pointer into ref data */

    "  dec         %%edi            \n\t"

    "  jnz 1b                       \n\t"

    "  movq        %%mm5, %%mm0     \n\t"

    "  psrlq       $32, %%mm5       \n\t"

    "  paddw       %%mm0, %%mm5     \n\t"

    "  movq        %%mm5, %%mm0     \n\t"

    "  psrlq       $16, %%mm5       \n\t"

    "  paddw       %%mm0, %%mm5     \n\t"

    "  movd        %%mm5, %%edi     \n\t"

    "  movswl       %%di, %%edi      \n\t"

    "  movl        %%edi, %0        \n\t"

    "  movq        %%mm7, %%mm0     \n\t"

    "  psrlq       $32, %%mm7       \n\t"

    "  paddd       %%mm0, %%mm7     \n\t"

    "  movd        %%mm7, %1        \n\t"

    "  emms                         \n\t"

     : "=m" (xsum),

       "=m" (xxsum),

       "+r" (src1), 

       "+r" (src2),

       "+r" (src3) 

     : "m" (ss1),

       "m" (ss2)

     : "edi", "memory"

  );

  /* Compute and return population variance as mis-match metric. */

  *dest = (((xxsum<<6) - xsum*xsum));

}

OIL_DEFINE_IMPL_FULL (err_inter8x8_u8_avg_mmxext, err_inter8x8_u8_avg, OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_err_intra8x8_u8_mmx, err_intra8x8_u8() {

		return &_oil_function_impl_err_intra8x8_u8_mmx, err_intra8x8_u8;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_err_inter8x8_u8_mmx, err_inter8x8_u8() {

		return &_oil_function_impl_err_inter8x8_u8_mmx, err_inter8x8_u8;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_err_inter8x8_u8_avg_mmx, err_inter8x8_u8_avg() {

		return &_oil_function_impl_err_inter8x8_u8_avg_mmx, err_inter8x8_u8_avg;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_err_inter8x8_u8_avg_mmxext, err_inter8x8_u8_avg() {

		return &_oil_function_impl_err_inter8x8_u8_avg_mmxext, err_inter8x8_u8_avg;

}

#endif