Reapply fix for EXPORT_C problem in backend.dll, which got lost in the merge - bug 2971
/*
* 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