mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-27 13:10:29 +00:00
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/* strstr with SSE4.2 intrinsics
|
|
Copyright (C) 2010 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>
|
|
|
|
|
|
/* 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"
|