baa91f4f89
__memcmp16 was missing in x86. Also added C-version for backward compatibility. Added bionic test for __memcmp16 and for wmemcmp. Change-Id: I33718441e7ee343cdb021d91dbeaf9ce2d4d7eb4 Signed-off-by: Alexander Ivchenko <alexander.ivchenko@intel.com>
45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
/*
|
|
Copyright (c) 2013 Intel Corporation
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
* Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
|
|
* 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.
|
|
|
|
* Neither the name of Intel Corporation nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
|
|
*/
|
|
|
|
#include <stddef.h>
|
|
|
|
/* Unoptimised version of __memcmp16 */
|
|
int __memcmp16(const unsigned short *ptr1, const unsigned short *ptr2, size_t n)
|
|
{
|
|
size_t i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
if (*ptr1 != *ptr2)
|
|
return *ptr1 - *ptr2;
|
|
ptr1++;
|
|
ptr2++;
|
|
}
|
|
return 0;
|
|
}
|