/*

  * 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