1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/copy/copy.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,175 @@
1.4 +/*
1.5 + * LIBOIL - Library of Optimized Inner Loops
1.6 + * Copyright (c) 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 +
1.36 +#include <string.h>
1.37 +
1.38 +#include <liboil/liboilfunction.h>
1.39 +
1.40 +OIL_DECLARE_CLASS (copy_u8);
1.41 +
1.42 +static void
1.43 +copy_u8_libc (uint8_t *dest, const uint8_t *src, int n)
1.44 +{
1.45 + memcpy (dest, src, n);
1.46 +}
1.47 +OIL_DEFINE_IMPL (copy_u8_libc, copy_u8);
1.48 +
1.49 +static void
1.50 +copy_u8_ptr (uint8_t *dest, const uint8_t *src, int n)
1.51 +{
1.52 + while(n--) {
1.53 + *dest++ = *src++;
1.54 + }
1.55 +}
1.56 +OIL_DEFINE_IMPL (copy_u8_ptr, copy_u8);
1.57 +
1.58 +#ifdef HAVE_UNALIGNED_ACCESS
1.59 +static void
1.60 +copy_u8_ints (uint8_t *dest, const uint8_t *src, int n)
1.61 +{
1.62 + int i;
1.63 + for(i=0;i<(n&3);i++){
1.64 + *dest++ = *src++;
1.65 + }
1.66 + n >>= 2;
1.67 + for(i=0;i<n;i++){
1.68 + *(uint32_t *)dest = *(uint32_t *)src;
1.69 + dest += 4;
1.70 + src += 4;
1.71 + }
1.72 +}
1.73 +OIL_DEFINE_IMPL (copy_u8_ints, copy_u8);
1.74 +#endif
1.75 +
1.76 +#ifdef HAVE_UNALIGNED_ACCESS
1.77 +/* Submitted by Adam Moss */
1.78 +static void
1.79 +copy_u8_llints (uint8_t *dest, const uint8_t *src, int n)
1.80 +{
1.81 + int i;
1.82 + for(i=0;i<(n&7);i++){
1.83 + *dest++ = *src++;
1.84 + }
1.85 + n >>= 3;
1.86 + for(i=0;i<n;i++){
1.87 + *(uint64_t *)dest = *(uint64_t *)src;
1.88 + dest += 8;
1.89 + src += 8;
1.90 + }
1.91 +}
1.92 +OIL_DEFINE_IMPL (copy_u8_llints, copy_u8);
1.93 +#endif
1.94 +
1.95 +#ifdef HAVE_UNALIGNED_ACCESS
1.96 +/* Submitted by Adam Moss */
1.97 +static void
1.98 +copy_u8_llints_duff (uint8_t *dest, const uint8_t *src, int n)
1.99 +{
1.100 + switch(n&7) {
1.101 + case 7: *dest++ = *src++;
1.102 + case 6: *dest++ = *src++;
1.103 + case 5: *dest++ = *src++;
1.104 + case 4: *dest++ = *src++;
1.105 + case 3: *dest++ = *src++;
1.106 + case 2: *dest++ = *src++;
1.107 + case 1: *dest++ = *src++;
1.108 + default: ;
1.109 + }
1.110 + n >>= 3;
1.111 + while (n) {
1.112 + switch (n & 15) {
1.113 + default:
1.114 + case 0: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.115 + case 15: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.116 + case 14: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.117 + case 13: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.118 + case 12: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.119 + case 11: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.120 + case 10: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.121 + case 9: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.122 + case 8: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.123 + case 7: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.124 + case 6: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.125 + case 5: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.126 + case 4: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.127 + case 3: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.128 + case 2: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.129 + case 1: *(uint64_t *)dest = *(uint64_t *)src; dest += 8; src += 8;
1.130 + }
1.131 + n = (n - 1) & ~(int)15;
1.132 + }
1.133 +}
1.134 +OIL_DEFINE_IMPL (copy_u8_llints_duff, copy_u8);
1.135 +#endif
1.136 +
1.137 +
1.138 +
1.139 +#ifdef __SYMBIAN32__
1.140 +
1.141 +OilFunctionImpl* __oil_function_impl_copy_u8_libc() {
1.142 + return &_oil_function_impl_copy_u8_libc;
1.143 +}
1.144 +#endif
1.145 +
1.146 +#ifdef __SYMBIAN32__
1.147 +
1.148 +OilFunctionImpl* __oil_function_impl_copy_u8_ptr() {
1.149 + return &_oil_function_impl_copy_u8_ptr;
1.150 +}
1.151 +#endif
1.152 +
1.153 +#ifdef HAVE_UNALIGNED_ACCESS
1.154 +#ifdef __SYMBIAN32__
1.155 +
1.156 +OilFunctionImpl* __oil_function_impl_copy_u8_ints() {
1.157 + return &_oil_function_impl_copy_u8_ints;
1.158 +}
1.159 +#endif
1.160 +#endif
1.161 +
1.162 +#ifdef HAVE_UNALIGNED_ACCESS
1.163 +#ifdef __SYMBIAN32__
1.164 +
1.165 +OilFunctionImpl* __oil_function_impl_copy_u8_llints() {
1.166 + return &_oil_function_impl_copy_u8_llints;
1.167 +}
1.168 +#endif
1.169 +#endif
1.170 +
1.171 +#ifdef HAVE_UNALIGNED_ACCESS
1.172 +#ifdef __SYMBIAN32__
1.173 +
1.174 +OilFunctionImpl* __oil_function_impl_copy_u8_llints_duff() {
1.175 + return &_oil_function_impl_copy_u8_llints_duff;
1.176 +}
1.177 +#endif
1.178 +#endif