mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 13:30:06 +00:00
0fb8800029
commit 3d9f171bfb
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Feb 7 05:55:15 2022 -0800
x86-64: Optimize bzero
added the optimized bzero. Remove bzero weak alias in SS2 memset to
avoid undefined __bzero in memset-sse2-unaligned-erms.
40 lines
1.3 KiB
ArmAsm
40 lines
1.3 KiB
ArmAsm
/* memset with SSE2.
|
|
All versions must be listed in ifunc-impl-list.c.
|
|
Copyright (C) 2014-2022 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <sysdep.h>
|
|
#include <shlib-compat.h>
|
|
|
|
#if IS_IN (libc)
|
|
# define MEMSET_SYMBOL(p,s) p##_sse2_##s
|
|
# define BZERO_SYMBOL(p,s) MEMSET_SYMBOL (p, s)
|
|
# define WMEMSET_SYMBOL(p,s) p##_sse2_##s
|
|
|
|
# ifdef SHARED
|
|
# undef libc_hidden_builtin_def
|
|
# define libc_hidden_builtin_def(name)
|
|
# endif
|
|
|
|
# undef weak_alias
|
|
# define weak_alias(original, alias)
|
|
# undef strong_alias
|
|
# define strong_alias(ignored1, ignored2)
|
|
#endif
|
|
|
|
#include <sysdeps/x86_64/memset.S>
|