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/*
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* LIBOIL - Library of Optimized Inner Loops
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* Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <liboil/liboilfunction.h>
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#include <liboil/liboilclasses.h>
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/* suboptimal */
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static void
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conv_f32_s16_3dnow (float *dst, int dst_stride, int16_t * src, int src_stride,
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int n)
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{
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#if !defined(__WINSCW__) && !defined(__WINS__)
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int i;
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for (i = 0; i < n; i++) {
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asm volatile (" movswl 0(%0), %%eax \n"
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" movd %%eax, %%mm0 \n"
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" pi2fd %%mm0, %%mm0 \n" " movd %%mm0, 0(%1) \n"
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::"r" (src), "r" (dst)
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:"eax");
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dst = OIL_OFFSET (dst, dst_stride);
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src = OIL_OFFSET (src, src_stride);
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}
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asm volatile ("emms");
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#endif
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}
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OIL_DEFINE_IMPL_FULL (conv_f32_s16_3dnow, conv_f32_s16, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_3DNOW);
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#ifdef ENABLE_BROKEN_IMPLS
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/* suboptimal */
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/* This appears to fail because of differences in rounding of half
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* integers. */
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static void
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conv_s32_f32_3dnow (int32_t * dst, int dst_stride, float *src, int src_stride,
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int n)
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{
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int i;
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const float constants[][2] = {
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{ 0.5, 0.5},
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{-1.0, -1.0}
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};
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for (i = 0; i < n; i++) {
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asm volatile (
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" movq 0(%0), %%mm0 \n"
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" pxor %%mm1, %%mm1 \n"
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" pfcmpgt %%mm0, %%mm1 \n"
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" movq %%mm0, %%mm2 \n"
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" pfadd 0(%2), %%mm0 \n"
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" pfcmpeq %%mm0, %%mm2 \n"
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" pandn %%mm1, %%mm2 \n"
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" pf2id %%mm0, %%mm0 \n"
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" paddd %%mm2, %%mm0 \n"
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" movd %%mm0, 0(%1) \n"
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:
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:"r" (src), "r" (dst), "r" (constants)
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);
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dst = OIL_OFFSET (dst, dst_stride);
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src = OIL_OFFSET (src, src_stride);
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}
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asm volatile ("emms");
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}
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OIL_DEFINE_IMPL_FULL (conv_s32_f32_3dnow, conv_s32_f32, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_3DNOW);
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#endif
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#ifdef __SYMBIAN32__
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OilFunctionImpl* __oil_function_impl_conv_f32_s16_3dnow, conv_f32_s16() {
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return &_oil_function_impl_conv_f32_s16_3dnow, conv_f32_s16;
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}
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#endif
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#ifdef __SYMBIAN32__
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OilFunctionImpl* __oil_function_impl_conv_s32_f32_3dnow, conv_s32_f32() {
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return &_oil_function_impl_conv_s32_f32_3dnow, conv_s32_f32;
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}
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#endif
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