1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/c/copy_c.c	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,132 @@
     1.4 +/*
     1.5 + * LIBOIL - Library of Optimized Inner Loops
     1.6 + * Copyright (c) 2005 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 <liboil/liboil.h>
    1.37 +#include <liboil/liboilfunction.h>
    1.38 +#include <liboil/liboilclasses.h>
    1.39 +
    1.40 +#ifdef HAVE_UNISTD_H
    1.41 +#include <unistd.h>
    1.42 +#endif
    1.43 +
    1.44 +
    1.45 +static void
    1.46 +testzero_u8_1 (uint32_t *dest, uint8_t *src1, int n)
    1.47 +{
    1.48 +  uint8_t *s = src1;
    1.49 +
    1.50 +  while(n>0 && (((unsigned long)s)&0x3)) {
    1.51 +    if (*s == 0) {
    1.52 +      goto foundzero;
    1.53 +    }
    1.54 +    s++;
    1.55 +    n--;
    1.56 +  }
    1.57 +  while (n>3) {
    1.58 +    uint32_t x;
    1.59 +    x = *(uint32_t *)s;
    1.60 +    if ((x ^ (x - 0x01010101))& 0x80808080) {
    1.61 +      int i;
    1.62 +      /* there's either a 0x00 or 0x80 byte */
    1.63 +      for(i=0;i<4;i++){
    1.64 +        if (s[i] == 0) {
    1.65 +          s += i;
    1.66 +          goto foundzero;
    1.67 +        }
    1.68 +      }
    1.69 +    }
    1.70 +    s += 4;
    1.71 +    n -= 4;
    1.72 +  }
    1.73 +  while(n>0) {
    1.74 +    if (*s == 0) {
    1.75 +      goto foundzero;
    1.76 +    }
    1.77 +    s++;
    1.78 +    n--;
    1.79 +  }
    1.80 +
    1.81 +  dest[0] = n;
    1.82 +foundzero:
    1.83 +  dest[0] = s - src1;
    1.84 +}
    1.85 +OIL_DEFINE_IMPL (testzero_u8_1, testzero_u8);
    1.86 +
    1.87 +#ifdef HAVE_UNALIGNED_ACCESS
    1.88 +static void
    1.89 +testzero_u8_2 (uint32_t *dest, uint8_t *src1, int n)
    1.90 +{
    1.91 +  int i;
    1.92 +
    1.93 +  for(i=0;i<n-3;i+=4) {
    1.94 +    uint32_t x;
    1.95 +    x = *(uint32_t *)(src1 + i);
    1.96 +    if ((x ^ (x - 0x01010101))& 0x80808080) {
    1.97 +      int j;
    1.98 +      /* there's either a 0x00 or 0x80 byte */
    1.99 +      for(j=0;j<4;j++){
   1.100 +        if (src1[i + j] == 0) {
   1.101 +          dest[0] = i + j;
   1.102 +          return ;
   1.103 +        }
   1.104 +      }
   1.105 +    }
   1.106 +  }
   1.107 +  for(;i<n;i++){
   1.108 +    if (src1[i] == 0) {
   1.109 +      dest[0] = i;
   1.110 +      return;
   1.111 +    }
   1.112 +  }
   1.113 +  dest[0] = n;
   1.114 +}
   1.115 +OIL_DEFINE_IMPL (testzero_u8_2, testzero_u8);
   1.116 +#endif
   1.117 +
   1.118 +
   1.119 +
   1.120 +#ifdef	__SYMBIAN32__
   1.121 + 
   1.122 +OilFunctionImpl* __oil_function_impl_testzero_u8_1() {
   1.123 +		return &_oil_function_impl_testzero_u8_1;
   1.124 +}
   1.125 +#endif
   1.126 +
   1.127 +#ifdef HAVE_UNALIGNED_ACCESS
   1.128 +#ifdef	__SYMBIAN32__
   1.129 + 
   1.130 +OilFunctionImpl* __oil_function_impl_testzero_u8_2() {
   1.131 +		return &_oil_function_impl_testzero_u8_2;
   1.132 +}
   1.133 +#endif
   1.134 +#endif
   1.135 +