mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 19:53:32 +08:00
36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/* This file is part of the GNU C Library.
|
|
Copyright (C) 2008-2023 Free Software Foundation, Inc.
|
|
|
|
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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <ldsodefs.h>
|
|
#include <ifunc-init.h>
|
|
#include <isa.h>
|
|
|
|
#ifdef __x86_64__
|
|
# include <isa-ifunc-macros.h>
|
|
#else
|
|
/* Due to the reordering and the other nifty extensions in i686, it is
|
|
not really good to use heavily i586 optimized code on an i686. It's
|
|
better to use i486 code if it isn't an i586. */
|
|
# if MINIMUM_ISA == 686
|
|
# define USE_I586 0
|
|
# define USE_I686 1
|
|
# else
|
|
# define USE_I586 (HAS_ARCH_FEATURE (I586) && !HAS_ARCH_FEATURE (I686))
|
|
# define USE_I686 HAS_ARCH_FEATURE (I686)
|
|
# endif
|
|
#endif
|