1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/i386/conv_sse.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,122 @@
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 conv_f64_s32_sse(double *dst, int dst_stride, int32_t *src, int src_stride, int n)
1.41 +{
1.42 +#if !defined(__WINSCW__) && !defined(__WINS__)
1.43 + int i;
1.44 +
1.45 + for(i=0;i<n;i++){
1.46 + asm volatile(
1.47 + " cvtsi2sd 0(%0), %%xmm0 \n"
1.48 + " movq %%xmm0, 0(%1) \n"
1.49 + :
1.50 + : "a" (src), "c" (dst)
1.51 + /* : "xmm0" */
1.52 + );
1.53 + dst = OIL_OFFSET(dst, dst_stride);
1.54 + src = OIL_OFFSET(src, src_stride);
1.55 + }
1.56 +#endif
1.57 +}
1.58 +OIL_DEFINE_IMPL_FULL(conv_f64_s32_sse, conv_f64_s32, OIL_IMPL_FLAG_SSE2);
1.59 +
1.60 +/* suboptimal */
1.61 +static void conv_s32_f64_sse(int32_t *dst, int dst_stride, double *src, int src_stride, int n)
1.62 +{
1.63 +#if !defined(__WINSCW__) && !defined(__WINS__)
1.64 + int i;
1.65 + int eax;
1.66 +
1.67 + for(i=0;i<n;i++){
1.68 + asm volatile(
1.69 + " cvtsd2si 0(%1), %0 \n"
1.70 + : "=a" (eax)
1.71 + : "c" (src)
1.72 + );
1.73 + *dst = eax;
1.74 + dst = OIL_OFFSET(dst, dst_stride);
1.75 + src = OIL_OFFSET(src, src_stride);
1.76 + }
1.77 +#endif
1.78 +}
1.79 +OIL_DEFINE_IMPL_FULL(conv_s32_f64_sse, conv_s32_f64, OIL_IMPL_FLAG_SSE2);
1.80 +
1.81 +/* suboptimal */
1.82 +static void conv_s32_f32_sse(int32_t *dst, int dst_stride, double *src, int src_stride, int n)
1.83 +{
1.84 +#if !defined(__WINSCW__) && !defined(__WINS__)
1.85 + int i;
1.86 +
1.87 + for(i=0;i<n;i++){
1.88 + asm volatile(
1.89 + " movd 0(%1), %%xmm0\n"
1.90 + " cvtps2pi %%xmm0, %%mm0\n"
1.91 + " movd %%mm0, 0(%0)\n"
1.92 + :
1.93 + : "r" (dst), "r" (src)
1.94 + );
1.95 + dst = OIL_OFFSET(dst, dst_stride);
1.96 + src = OIL_OFFSET(src, src_stride);
1.97 + }
1.98 + asm volatile ("emms\n");
1.99 +#endif
1.100 +}
1.101 +OIL_DEFINE_IMPL_FULL(conv_s32_f32_sse, conv_s32_f32, OIL_IMPL_FLAG_SSE2 | OIL_IMPL_FLAG_MMX);
1.102 +
1.103 +
1.104 +
1.105 +#ifdef __SYMBIAN32__
1.106 +
1.107 +OilFunctionImpl* __oil_function_impl_conv_f64_s32_sse, conv_f64_s32() {
1.108 + return &_oil_function_impl_conv_f64_s32_sse, conv_f64_s32;
1.109 +}
1.110 +#endif
1.111 +
1.112 +#ifdef __SYMBIAN32__
1.113 +
1.114 +OilFunctionImpl* __oil_function_impl_conv_s32_f64_sse, conv_s32_f64() {
1.115 + return &_oil_function_impl_conv_s32_f64_sse, conv_s32_f64;
1.116 +}
1.117 +#endif
1.118 +
1.119 +#ifdef __SYMBIAN32__
1.120 +
1.121 +OilFunctionImpl* __oil_function_impl_conv_s32_f32_sse, conv_s32_f32() {
1.122 + return &_oil_function_impl_conv_s32_f32_sse, conv_s32_f32;
1.123 +}
1.124 +#endif
1.125 +