1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/i386/conv_3dnow.c	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,114 @@
     1.4 +/*
     1.5 + * LIBOIL - Library of Optimized Inner Loops
     1.6 + * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
     1.7 + * All rights reserved.
     1.8 + *
     1.9 + * Redistribution and use in source and binary forms, with or without
    1.10 + * modification, are permitted provided that the following conditions
    1.11 + * are met:
    1.12 + * 1. Redistributions of source code must retain the above copyright
    1.13 + *    notice, this list of conditions and the following disclaimer.
    1.14 + * 2. Redistributions in binary form must reproduce the above copyright
    1.15 + *    notice, this list of conditions and the following disclaimer in the
    1.16 + *    documentation and/or other materials provided with the distribution.
    1.17 + * 
    1.18 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    1.19 + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    1.20 + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.21 + * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
    1.22 + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    1.23 + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    1.24 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    1.25 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    1.26 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
    1.27 + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    1.28 + * POSSIBILITY OF SUCH DAMAGE.
    1.29 + */
    1.30 +//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
    1.31 +
    1.32 +#ifdef HAVE_CONFIG_H
    1.33 +#include "config.h"
    1.34 +#endif
    1.35 +#include <liboil/liboilfunction.h>
    1.36 +#include <liboil/liboilclasses.h>
    1.37 +
    1.38 +
    1.39 +/* suboptimal */
    1.40 +static void
    1.41 +conv_f32_s16_3dnow (float *dst, int dst_stride, int16_t * src, int src_stride,
    1.42 +    int n)
    1.43 +{
    1.44 +#if !defined(__WINSCW__) && !defined(__WINS__)      
    1.45 +  int i;
    1.46 +
    1.47 +  for (i = 0; i < n; i++) {
    1.48 +    asm volatile ("  movswl 0(%0), %%eax \n"
    1.49 +        "  movd %%eax, %%mm0 \n"
    1.50 +        "  pi2fd %%mm0, %%mm0 \n" "  movd %%mm0, 0(%1) \n"
    1.51 +        ::"r" (src), "r" (dst)
    1.52 +        :"eax");
    1.53 +
    1.54 +    dst = OIL_OFFSET (dst, dst_stride);
    1.55 +    src = OIL_OFFSET (src, src_stride);
    1.56 +  }
    1.57 +  asm volatile ("emms");
    1.58 +#endif
    1.59 +}
    1.60 +
    1.61 +OIL_DEFINE_IMPL_FULL (conv_f32_s16_3dnow, conv_f32_s16, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_3DNOW);
    1.62 +
    1.63 +#ifdef ENABLE_BROKEN_IMPLS
    1.64 +/* suboptimal */
    1.65 +/* This appears to fail because of differences in rounding of half
    1.66 + * integers. */
    1.67 +static void
    1.68 +conv_s32_f32_3dnow (int32_t * dst, int dst_stride, float *src, int src_stride,
    1.69 +    int n)
    1.70 +{
    1.71 +  int i;
    1.72 +  const float constants[][2] = {
    1.73 +    { 0.5,  0.5},
    1.74 +    {-1.0, -1.0}
    1.75 +  };
    1.76 +
    1.77 +  for (i = 0; i < n; i++) {
    1.78 +    asm volatile (
    1.79 +        "  movq 0(%0), %%mm0 \n"
    1.80 +        "  pxor %%mm1, %%mm1 \n"
    1.81 +        "  pfcmpgt %%mm0, %%mm1 \n"
    1.82 +        "  movq %%mm0, %%mm2 \n"
    1.83 +        "  pfadd 0(%2), %%mm0 \n"
    1.84 +        "  pfcmpeq %%mm0, %%mm2 \n"
    1.85 +        "  pandn %%mm1, %%mm2 \n"
    1.86 +        "  pf2id %%mm0, %%mm0 \n"
    1.87 +        "  paddd %%mm2, %%mm0 \n"
    1.88 +        "  movd %%mm0, 0(%1) \n"
    1.89 +        :
    1.90 +        :"r" (src), "r" (dst), "r" (constants)
    1.91 +        );
    1.92 +
    1.93 +    dst = OIL_OFFSET (dst, dst_stride);
    1.94 +    src = OIL_OFFSET (src, src_stride);
    1.95 +  }
    1.96 +  asm volatile ("emms");
    1.97 +}
    1.98 +
    1.99 +OIL_DEFINE_IMPL_FULL (conv_s32_f32_3dnow, conv_s32_f32, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_3DNOW);
   1.100 +#endif
   1.101 +
   1.102 +
   1.103 +
   1.104 +#ifdef	__SYMBIAN32__
   1.105 + 
   1.106 +OilFunctionImpl* __oil_function_impl_conv_f32_s16_3dnow, conv_f32_s16() {
   1.107 +		return &_oil_function_impl_conv_f32_s16_3dnow, conv_f32_s16;
   1.108 +}
   1.109 +#endif
   1.110 +
   1.111 +#ifdef	__SYMBIAN32__
   1.112 + 
   1.113 +OilFunctionImpl* __oil_function_impl_conv_s32_f32_3dnow, conv_s32_f32() {
   1.114 +		return &_oil_function_impl_conv_s32_f32_3dnow, conv_s32_f32;
   1.115 +}
   1.116 +#endif
   1.117 +