diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/liboil/src/c/copy_c.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/ossrv/genericopenlibs/liboil/src/c/copy_c.c Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,132 @@ +/* + * LIBOIL - Library of Optimized Inner Loops + * Copyright (c) 2005 David A. Schleef + * 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 +#include +#include + +#ifdef HAVE_UNISTD_H +#include +#endif + + +static void +testzero_u8_1 (uint32_t *dest, uint8_t *src1, int n) +{ + uint8_t *s = src1; + + while(n>0 && (((unsigned long)s)&0x3)) { + if (*s == 0) { + goto foundzero; + } + s++; + n--; + } + while (n>3) { + uint32_t x; + x = *(uint32_t *)s; + if ((x ^ (x - 0x01010101))& 0x80808080) { + int i; + /* there's either a 0x00 or 0x80 byte */ + for(i=0;i<4;i++){ + if (s[i] == 0) { + s += i; + goto foundzero; + } + } + } + s += 4; + n -= 4; + } + while(n>0) { + if (*s == 0) { + goto foundzero; + } + s++; + n--; + } + + dest[0] = n; +foundzero: + dest[0] = s - src1; +} +OIL_DEFINE_IMPL (testzero_u8_1, testzero_u8); + +#ifdef HAVE_UNALIGNED_ACCESS +static void +testzero_u8_2 (uint32_t *dest, uint8_t *src1, int n) +{ + int i; + + for(i=0;i