/*

 * 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>

#include <liboil/liboilclasses.h>

/* suboptimal */

static void

conv_f32_s16_3dnow (float *dst, int dst_stride, int16_t * src, int src_stride,

    int n)

{

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

  int i;

  for (i = 0; i < n; i++) {

    asm volatile ("  movswl 0(%0), %%eax \n"

        "  movd %%eax, %%mm0 \n"

        "  pi2fd %%mm0, %%mm0 \n" "  movd %%mm0, 0(%1) \n"

        ::"r" (src), "r" (dst)

        :"eax");

    dst = OIL_OFFSET (dst, dst_stride);

    src = OIL_OFFSET (src, src_stride);

  }

  asm volatile ("emms");

#endif

}

OIL_DEFINE_IMPL_FULL (conv_f32_s16_3dnow, conv_f32_s16, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_3DNOW);

#ifdef ENABLE_BROKEN_IMPLS

/* suboptimal */

/* This appears to fail because of differences in rounding of half

 * integers. */

static void

conv_s32_f32_3dnow (int32_t * dst, int dst_stride, float *src, int src_stride,

    int n)

{

  int i;

  const float constants[][2] = {

    { 0.5,  0.5},

    {-1.0, -1.0}

  };

  for (i = 0; i < n; i++) {

    asm volatile (

        "  movq 0(%0), %%mm0 \n"

        "  pxor %%mm1, %%mm1 \n"

        "  pfcmpgt %%mm0, %%mm1 \n"

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

        "  pfadd 0(%2), %%mm0 \n"

        "  pfcmpeq %%mm0, %%mm2 \n"

        "  pandn %%mm1, %%mm2 \n"

        "  pf2id %%mm0, %%mm0 \n"

        "  paddd %%mm2, %%mm0 \n"

        "  movd %%mm0, 0(%1) \n"

        :

        :"r" (src), "r" (dst), "r" (constants)

        );

    dst = OIL_OFFSET (dst, dst_stride);

    src = OIL_OFFSET (src, src_stride);

  }

  asm volatile ("emms");

}

OIL_DEFINE_IMPL_FULL (conv_s32_f32_3dnow, conv_s32_f32, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_3DNOW);

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_conv_f32_s16_3dnow, conv_f32_s16() {

		return &_oil_function_impl_conv_f32_s16_3dnow, conv_f32_s16;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_conv_s32_f32_3dnow, conv_s32_f32() {

		return &_oil_function_impl_conv_s32_f32_3dnow, conv_s32_f32;

}

#endif