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/* strstr with SSE4.2 intrinsics
Copyright (C) 2010-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <ctype.h>
#include <xmmintrin.h>
/* Similar to __m128i_strloadu. Convert to lower case for none-POSIX/C
locale. */
static inline __m128i
__m128i_strloadu_tolower (const unsigned char *p)
{
union
{
char b[16];
__m128i x;
} u;
for (int i = 0; i < 16; ++i)
if (p[i] == 0)
{
u.b[i] = 0;
break;
}
else
u.b[i] = tolower (p[i]);
return u.x;
}
#define STRCASESTR_NONASCII
#define USE_AS_STRCASESTR
#define STRSTR_SSE42 __strcasestr_sse42_nonascii
#include "strstr.c"
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